CN210677322U - Side top skin positioning and clamping auxiliary tool - Google Patents
Side top skin positioning and clamping auxiliary tool Download PDFInfo
- Publication number
- CN210677322U CN210677322U CN201921302869.6U CN201921302869U CN210677322U CN 210677322 U CN210677322 U CN 210677322U CN 201921302869 U CN201921302869 U CN 201921302869U CN 210677322 U CN210677322 U CN 210677322U
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- side top
- skin
- clamping
- positioning
- block
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- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a tight auxiliary fixtures of side top covering location clamp for the local location of passenger train side top covering is tight, including imitative type hook, intermediate strut, clamping unit, the one end swing joint of intermediate strut has imitative type hook, the other end to rotate and is connected with the turning block, clamping unit swing joint is in the turning block. The utility model discloses a location of frock on the top cap skeleton is accomplished through imitative type hook and locating plate to accomplish the covering roller blank pressing of side top covering and the local location of top cap skeleton welding position and press from both sides tightly through the clamping unit of adjustable position, effectively avoid the inaccurate problem of local location that appears in the side top covering location clamping process, promote covering welding position whole location press from both sides tight accuracy, improved the welding quality of side top covering; simple structure, convenient to use, low in manufacturing cost can adapt to the tight operation requirement of present all motorcycle types side top covering location clamp, and application scope is wide, and the commonality is good.
Description
Technical Field
The utility model relates to a processing frock technical field especially relates to a tight auxiliary fixtures of side top covering location clamp.
Background
With the rapid development of the passenger car industry, the technological level and the technological equipment of the passenger car manufacturing industry in China are also greatly improved, and particularly in the welding of a top skin, the former high-position operation is changed into the lower-position operation; from the original CO2The welding is changed into resistance spot welding; changing manual spot welding into automatic spot welding; the single-side double-point welding method is changed into the double-side single-point welding method, so that the welding of the top cover skin is automated, the welding quality and the production rate of passenger car products are greatly improved, and the labor intensity of workers is reduced.
At present, the welding of the roof skin of the passenger car mainly comprises the assembly welding of two side roof skins and one middle roof skin, and the welding process generally comprises the positioning of a roof framework; then positioning and tensioning top covers on two sides, and carrying out electric welding fixation on the side covers of the top cover and the top cover framework on the non-tensioning side after checking that no errors exist; and finally, positioning and tensioning the middle top skin, and performing electric welding fixation on the middle top skin and the top cover framework on the non-tensioning side after checking that no error exists.
In the prior art, the framework skin positioning and hydraulic tensioning device can complete the positioning of the framework and the skin in the lateral direction, the front direction and the rear direction and the tensioning of the skin. However, in the actual operation process, the problems of local skin positioning and inaccurate skin clamping easily exist, the workload of positioning inspection and position correction is increased, and the welding quality and the production efficiency of automatic welding are influenced.
Therefore, it is desirable to provide a positioning and clamping auxiliary tool for a side top skin to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tight auxiliary fixtures of side top skin location clamp is provided for the tight process of passenger train side top skin welding location clamp's local auxiliary clamp location guarantees the accuracy of side top skin location clamp position time tight.
In order to solve the technical problem, the utility model discloses a technical scheme be: the auxiliary tool for positioning and clamping the side top skin is used for local positioning and clamping of the side top skin of the passenger car and comprises a profiling hook, a middle bracket and a clamping unit;
one end of the middle bracket is movably connected with a profiling hook, and the other end of the middle bracket is rotatably connected with a rotating block;
the clamping unit is movably connected in the rotating block.
Furthermore, one end of the middle bracket is provided with a through hole, and the other end of the middle bracket is provided with a notch positioned on the side surface;
and two side walls of the notch are arc-shaped surfaces with the middle parts protruding.
Furthermore, the profiling hook is of an inverted L-shaped structure, a positioning plate is fixed at the tail end of the top horizontal section of the profiling hook, and the cross section shape of the bottom vertical section of the profiling hook is matched with the outline of the through hole.
Furthermore, the bottom of the profiling hook is connected with a limiting block positioned below the middle support.
Further, the rotating block is of a cylindrical structure, and the outer circular surface of the rotating block 4 is in rolling contact with the arc-shaped surface of the notch 22;
the side of the rotating block is rotatably connected to the side wall of the notch through a horizontal rotating shaft.
Furthermore, the clamping unit comprises a screw rod, a skin jacking block rotationally connected to the top of the screw rod, two pressing blocks fixed to the bottom surface of the skin jacking block, and a rotating handle arranged at the bottom of the screw rod;
the screw rod is in threaded connection with the rotating block.
Furthermore, a cylindrical joint with a T-shaped section is arranged at the top of the screw rod.
Furthermore, a counter bore matched with the large top cylinder of the cylindrical joint is arranged on the bottom surface of the skin jacking block.
Further, the side that the briquetting is close to each other all is provided with the arc recess, and the radius of arc recess is greater than the little cylindrical radius in cylinder joint bottom and is less than the big cylindrical radius in cylinder joint top.
Further, the shape of the top surface of the skin top block is matched with the shape of the skin rolling edge of the side top skin.
The utility model has the advantages as follows:
1. the utility model discloses a location of frock on the top cap skeleton is accomplished through imitative type hook and locating plate to accomplish the covering roller blank pressing of side top covering and the local location of top cap skeleton welding position and press from both sides tightly through the clamping unit of adjustable position, effectively avoid the problem that local location is inaccurate to appear in the side top covering location clamping process, promote covering welding position whole location clamping accuracy, improved the welding quality of side top covering;
2. the utility model discloses simple structure, convenient to use, low in manufacturing cost can adapt to the tight operation requirement of present all motorcycle types side top covering location clamp, and application scope is wide, and the commonality is good.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the intermediate frame;
FIG. 3 is a schematic perspective view of the clamping unit;
FIG. 4 is a schematic structural view of the connection relationship between the pressing plate and the skin top block;
fig. 5 is a schematic structural diagram of the usage state of the present invention.
In the figure: 1 copying hook, 2 middle supports, 21 through holes, 22 notches, 3 clamping units, 31 skin jacking blocks, 32 pressing blocks, 33 lead screws, 34 rotating handles, 35 bolts, 4 rotating blocks, 5 limiting blocks, 6 positioning plates, 7 top cover frameworks and 8 side top skins.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, an auxiliary tool for positioning and clamping a side top skin is used for local positioning and clamping of the side top skin of a passenger car, and comprises a profiling hook 1, an intermediate bracket 2 and a clamping unit 3.
As shown in fig. 2, one end of the middle support 2 is provided with a through hole 21, and in this embodiment, the through hole 21 is a kidney-shaped hole. The profiling hook 1 is of an inverted L-shaped structure, a positioning plate 6 is fixed at the tail end of the top horizontal section of the profiling hook, and the cross section of the bottom vertical section of the profiling hook is matched with the outline of the through hole 21. The vertical section of the profile hook 1 is located in the through hole 21 so that the profile hook 1 can move up and down in the middle bracket 2. The positioning plate 6 is made of angle iron and is welded with the profiling hook 1 into a whole for being matched with a top cover framework 7 of a passenger car to realize the positioning of the profiling hook 1 on the top cover framework 7.
Preferably, the bottom of the imitation hook 1 is connected with a limiting block 5 positioned below the middle support 2, and the contour dimension of the limiting block 5 is larger than the contour dimension of the through hole 21, so as to limit the upward movement distance of the imitation hook 1 and prevent the imitation hook 1 from being separated from the middle support 2.
The middle support 2 is kept away from the one end of imitative type hook 1 and is seted up the notch 22 that is located the side, and the both sides wall of notch 22 is the convex arcwall face in middle part, and the turning block 4 is connected with in the notch 22 internal rotation. The rotating block 4 is of a cylindrical structure, the side face of the rotating block 4 is connected to the other side wall of the notch 22 in a rotating mode through a horizontal rotating shaft, the rotating block 4 can swing within a small range in the notch 22, and the outer circular face of the rotating block 4 is in rolling contact with the arc face of the notch 22, so that the swinging process of the rotating block 4 is stable, and the rotating block 4 is prevented from being impacted with the notch 22.
The clamping unit 3 is movably connected in the rotating block 4. As shown in fig. 3, the clamping unit 3 includes a screw 33, a skin top block 31 rotatably connected to the top of the screw 33, two pressing blocks 32 fixed to the bottom surface of the skin top block 31, and a rotating handle 34 disposed at the bottom of the screw 33.
The screw rod 33 is in threaded connection with the rotating block 4 and is coaxially arranged with the rotating block 4, so that the screw rod 33 can rotate in the rotating block 4 and vertically lift. The top of the screw 33 is provided with a cylindrical joint with a T-shaped section. The bottom surface of the skin top block 31 is provided with a counter bore matched with a large top cylinder of the cylinder joint, the connection of the skin top block 31 on the screw rod 33 is realized through the matching of the counter bore and the cylinder joint, and meanwhile, the skin top block 31 can horizontally rotate at the top of the screw rod 33. The top surface shape of the skin top block 31 matches the skin roll edge shape of the side top skin 8.
As shown in fig. 4, the two pressing blocks 32 are fixed on the bottom surface of the skin top block 31 through bolts 35 respectively, and the side surfaces of the two pressing blocks 32 close to each other are provided with arc-shaped grooves, and the radius of each arc-shaped groove is larger than that of the small cylinder at the bottom of the cylindrical joint and smaller than that of the large cylinder at the top of the cylindrical joint, so that the cylindrical joint of the screw rod 33 is limited in the counter bore at the bottom surface of the skin top block 31 by the two pressing blocks 32, that is, the skin top block 31 cannot be separated from the screw rod 33, and the horizontal rotation of the skin top block 31 at the.
The utility model is in use as shown in fig. 5, the positioning plate 6 is matched and lapped with the side edge of the top cover framework 7, and the positioning of the profiling hook 1 on the top cover framework 7 is completed; then, the profiling structure on the top surface of the skin top block 31 is jointed with the skin rolling edge of the side top skin 8; finally, the skin jacking block 31 is gradually moved upwards by rotating the rotating handle 34, and the skin rolling edge of the side top skin 8 is jacked upwards to a preset matching position with the top cover framework 7, so that the local clamping function of the side top skin 8 is realized.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a tight auxiliary fixtures of side top covering location for the local location of passenger train side top covering is tight, its characterized in that: comprises a profiling hook (1), a middle bracket (2) and a clamping unit (3);
one end of the middle bracket (2) is movably connected with a profiling hook (1), and the other end is rotatably connected with a rotating block (4);
the clamping unit (3) is movably connected in the rotating block (4).
2. The side top skin positioning and clamping auxiliary tool according to claim 1, characterized in that: one end of the middle bracket (2) is provided with a vertical through hole (21), and the other end is provided with a notch (22) positioned on the side surface;
and two side walls of the notch (22) are arc-shaped surfaces with the middle parts protruding.
3. The side top skin positioning and clamping auxiliary tool according to claim 2, characterized in that: the profiling hook (1) is of an inverted L-shaped structure, a positioning plate (6) is fixed at the tail end of the top horizontal section of the profiling hook, and the cross section of the bottom vertical section of the profiling hook is matched with the profile of the through hole (21).
4. The auxiliary positioning and clamping tool for the side top skin is characterized by comprising the following components in parts by weight: the bottom of the profiling hook (1) is connected with a through hole of a limiting block (5) positioned below the middle support (2).
5. The side top skin positioning and clamping auxiliary tool according to claim 2, characterized in that: the rotating block (4) is of a cylindrical structure, and the outer circular surface of the rotating block (4) is in rolling contact with the arc-shaped surface of the notch (22);
the side surface of the rotating block (4) is rotatably connected to the side wall of the notch (22) through a horizontal rotating shaft.
6. The side top skin positioning and clamping auxiliary tool according to claim 1, characterized in that: the clamping unit (3) comprises a screw rod (33), a skin top block (31) rotationally connected to the top of the screw rod (33), two pressing blocks (32) fixed to the bottom surface of the skin top block (31), and a rotating handle (34) arranged at the bottom of the screw rod (33);
the screw rod (33) is in threaded connection with the rotating block (4).
7. The side top skin positioning and clamping auxiliary tool according to claim 6, characterized in that: the top of the screw rod (33) is provided with a cylindrical joint with a T-shaped section.
8. The side top skin positioning and clamping auxiliary tool according to claim 7, characterized in that: and a counter bore matched with the large top cylinder of the cylindrical joint is arranged on the bottom surface of the skin jacking block (31).
9. The side top skin positioning and clamping auxiliary tool according to claim 7, characterized in that: the side that briquetting (32) are close to each other all is provided with the arc recess, and the radius of arc recess is greater than the little cylindrical radius in cylinder joint bottom and is less than the big cylindrical radius in cylinder joint top.
10. The side top skin positioning and clamping auxiliary tool according to claim 6, characterized in that: the shape of the top surface of the skin top block (31) is matched with the shape of a skin roll edge of the side top skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302869.6U CN210677322U (en) | 2019-08-09 | 2019-08-09 | Side top skin positioning and clamping auxiliary tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302869.6U CN210677322U (en) | 2019-08-09 | 2019-08-09 | Side top skin positioning and clamping auxiliary tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210677322U true CN210677322U (en) | 2020-06-05 |
Family
ID=70902889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921302869.6U Expired - Fee Related CN210677322U (en) | 2019-08-09 | 2019-08-09 | Side top skin positioning and clamping auxiliary tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210677322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161067A (en) * | 2022-01-06 | 2022-03-11 | 中车唐山机车车辆有限公司 | Car roof assembly welding tool |
-
2019
- 2019-08-09 CN CN201921302869.6U patent/CN210677322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161067A (en) * | 2022-01-06 | 2022-03-11 | 中车唐山机车车辆有限公司 | Car roof assembly welding tool |
| CN114161067B (en) * | 2022-01-06 | 2024-03-26 | 中车唐山机车车辆有限公司 | Roof assembly welding tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |