CN219380491U

CN219380491U - Positioning and clamping device for irregular workpiece assembly

Info

Publication number: CN219380491U
Application number: CN202320395544.7U
Authority: CN
Inventors: 杨跞; 姜瑜; 徐光宇
Original assignee: Shanghai Xinsong Robot Co ltd
Current assignee: Shanghai Xinsong Robot Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-21
Anticipated expiration: 2033-03-06

Abstract

The utility model belongs to the technical field of tool clamps, and discloses a positioning and clamping device for irregular workpiece assembly, which comprises a positioning assembly, an assembly simulation assembly and an assembly test assembly, wherein the positioning assembly comprises a supporting plate and a positioning mechanism arranged on the supporting plate; the assembly simulation assembly comprises a simulation workpiece and a clamping mechanism, the clamping mechanism is fixedly connected to the simulation workpiece, the simulation workpiece can be in counterpoint butt joint with the irregular workpiece, and the clamping mechanism can press and fix the irregular workpiece on the simulation workpiece; the positioning mechanism can limit the positioning of the simulated workpiece; the assembly test assembly comprises a lifting mechanism and a sliding mechanism, wherein the lifting mechanism can enable the irregular workpiece to be assembled and connected with a product, and the sliding mechanism can enable the irregular workpiece to slide along the slideway. The positioning and clamping device for irregular workpiece assembly can provide a simulated workpiece to replace a physical workpiece so as to assist the irregular workpiece to position and assemble, improve the assembly quality and reduce the production cost of products.

Description

Positioning and clamping device for irregular workpiece assembly

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a positioning and clamping device for irregular workpiece assembly.

Background

Mechanical assembly is an important process in mechanical manufacturing that ultimately determines the quality of the mechanical product; even all of the acceptable parts, if improperly assembled, tend to fail to form a quality acceptable product. The product with simple structure can be directly assembled by parts, and the complex product needs to assemble a plurality of parts into parts, namely the parts are assembled, and then assemble a plurality of parts and other parts into a complete product, namely the total assembly. Moreover, various tests and tests are required in the assembly process of the product to ensure the assembly quality and the service performance.

Taking rail assembly of a skylight in automobile production as an example, a positioning and clamping device is required to perform good positioning and clamping in the rail assembly process, and a sliding test is required to be performed after the assembly is completed. Because the track is an irregular workpiece, the sliding test is easy to cause deformation dislocation and influence subsequent glass assembly, and therefore, the assembly of the track needs the glass of the skylight to provide assembly assistance. However, glass is a fragile product, and clamping is difficult, so that difficulty in positioning and clamping can be brought to the assembly assistance, and the assembly quality of irregular workpieces and the production cost of products are further affected.

Disclosure of Invention

The utility model aims to provide a positioning and clamping device for irregular workpiece assembly, which can provide a simulated workpiece to replace a physical workpiece so as to assist the irregular workpiece to position and assemble, improve the assembly quality and reduce the production cost of products.

To achieve the purpose, the utility model adopts the following technical scheme:

providing a positioning and clamping device for irregular workpiece assembly, which can assemble irregular workpieces onto products, wherein a slideway is arranged on the products, and the positioning and clamping device for irregular workpiece assembly comprises:

the positioning assembly comprises a supporting plate and a positioning mechanism, and the positioning mechanism is arranged on the supporting plate;

the assembling simulation assembly comprises a simulation workpiece and a clamping mechanism, the clamping mechanism is fixedly connected to the simulation workpiece, the simulation workpiece can be placed on the supporting plate, the simulation workpiece can be in counterpoint butt joint with the irregular workpiece, and the clamping mechanism can press and fix the irregular workpiece on the simulation workpiece; the positioning mechanism can limit the positioning of the simulated workpiece along a first direction and a second direction;

the assembly test assembly comprises a lifting mechanism and a sliding mechanism, wherein the lifting mechanism can reciprocate along the first direction to lift the supporting plate so that the irregular workpiece is assembled and connected with the product, and the sliding mechanism can reciprocate along the second direction so that the irregular workpiece slides along the slideway.

As a preferable structure of the utility model, the clamping mechanism comprises at least one elbow clamp fixedly connected with the supporting plate, and a positioning column of the elbow clamp can press the irregular workpiece.

As a preferable structure of the present utility model, the irregular workpiece is provided with a positioning hole through which the positioning column can pass.

As a preferable structure of the utility model, the positioning assembly further comprises a working platform, the working platform is parallel to the supporting plate, the assembly simulation assembly further comprises a turnover mechanism, the turnover mechanism is arranged on the working platform, and the turnover mechanism is used for driving the elbow clamp to turn over so that the positioning column is pressed against the irregular workpiece.

As a preferable structure of the utility model, the clamping mechanism comprises a push rod and two elbow clamps which are arranged in parallel, two ends of the push rod are respectively connected with the pressing parts of the elbow clamps, and the turnover mechanism can drive the push rod to rotate around the rotating shaft of the elbow clamps.

As a preferable configuration of the present utility model, the tilting mechanism includes:

the first driving cylinder is fixedly connected to the working platform, and the first telescopic end of the first driving cylinder can reciprocate along the first direction;

the second driving cylinder is connected to the first telescopic end, and the second telescopic end of the second driving cylinder can reciprocate along the third direction;

the clamping piece is connected to the second telescopic end, the clamping piece is provided with a clamping groove, and the push rod can be slidably clamped in the clamping groove.

As a preferable structure of the utility model, the turnover mechanism further comprises an elastic buffer member parallel to the first telescopic end and disposed between the first driving cylinder and the second driving cylinder.

As a preferable structure of the utility model, the lifting mechanism comprises two lifting cylinder groups, the lifting cylinder groups comprise two parallel cylinders, and the two lifting cylinder groups are respectively arranged at two sides of the supporting plate.

As a preferable structure of the present utility model, the sliding mechanism includes a linear module and a guide rail, the linear module and the guide rail are disposed on the working platform, and the support plate is slidably connected to the linear module and the guide rail.

As a preferable structure of the utility model, the simulation workpiece is provided with a hanging ring, and the hanging ring is used for hanging the simulation workpiece.

The utility model has the beneficial effects that:

according to the positioning and clamping device for irregular workpiece assembly, the irregular workpiece before assembly is positioned and clamped through the simulated workpiece, and after the irregular workpiece is assembled to a product, the irregular workpiece slides along the slideway along with the irregular workpiece to perform a sliding test after assembly, so that the irregular workpiece is assembled in place, and the assembly quality is improved; the simulated workpiece replaces a physical workpiece, and is not easy to damage, so that the loss of the physical workpiece is avoided, and the production cost of a product is reduced. The positioning mechanism can limit the positioning of the simulated workpiece along the first direction and the second direction, and the clamping mechanism can press and fix the irregular workpiece on the simulated workpiece so as to ensure the positioning accuracy of the irregular workpiece; the lifting mechanism enables irregular workpieces to be assembled and connected with products, the irregular workpieces are assembled in place, the sliding mechanism can reciprocate along the second direction to enable the irregular workpieces to slide along the slide way, the assembled irregular workpieces are tested, and assembly efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a positioning and clamping device for irregular workpiece assembly according to an embodiment of the present utility model.

In the figure:

1. a positioning assembly; 11. a support plate; 12. a positioning mechanism; 13. a working platform; 2. assembling a simulation assembly; 21. simulating a workpiece; 22. clamping mechanism; 221. an elbow clamp; 2211. positioning columns; 2212. a pressing part; 2213. a rotating shaft; 222. a push rod; 23. a turnover mechanism; 231. a first driving cylinder; 232. a second driving cylinder; 233. a clamping piece; 2331. a clamping groove; 234. an elastic buffer member; 24. a hanging ring; 3. assembling a test assembly; 31. a lifting mechanism; 311. lifting the cylinder group; 32. a sliding mechanism; 321. a linear module; 322. a guide rail;

100. irregular workpieces.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the embodiment of the present utility model provides a positioning and clamping device for irregular workpiece assembly, which is capable of assembling an irregular workpiece 100 to a product (not shown in the figure) on which a slideway is provided. The positioning and clamping device comprises a positioning component 1, an assembly simulation component 2 and an assembly test component 3. The positioning assembly 1 comprises a support plate 11 and a positioning mechanism 12, and the positioning mechanism 12 is arranged on the support plate 11. The assembly simulation assembly 2 comprises a simulation workpiece 21 and a clamping mechanism 22, the clamping mechanism 22 is fixedly connected to the simulation workpiece 21, the simulation workpiece 21 can be placed on the supporting plate 11, the simulation workpiece 21 can be in counterpoint butt joint with the irregular workpiece 100, the clamping mechanism 22 can press and fix the irregular workpiece 100 on the simulation workpiece 21, and the relative positions of the irregular workpiece 100 and the simulation workpiece 21 are kept fixed. The positioning mechanism 12 can perform positioning limitation on the simulation workpiece 21 along the first direction and the second direction, the positioning mechanism 12 adopts mechanical hard limiting in the first direction, the position of the simulation workpiece 21 is limited in the second direction through the air cylinder, and the positioning is more accurate. For convenience of description, in the coordinate system shown in fig. 1, the X axis is a first direction, the Y axis is a second direction, the Z axis is a third direction, and the first direction, the second direction and the third direction are perpendicular to each other. The assembly test assembly 3 includes a lifting mechanism 31 and a sliding mechanism 32, and the lifting mechanism 31 can reciprocate along a third direction to lift the supporting plate 11, so that the irregular workpiece 100 is assembled and connected with a product, and the irregular workpiece 100 is assembled in place. The sliding mechanism 32 can reciprocate along the second direction to enable the irregular workpiece 100 to slide along the slideway, the assembled irregular workpiece 100 is tested, and if the irregular workpiece 100 slides smoothly, the assembly is indicated to be in place, so that the assembly quality is ensured.

In this embodiment, the product is an automobile sunroof, the irregular workpiece 100 is a track of the automobile sunroof, the simulation workpiece 21 is a simulation piece of sunroof glass of the automobile sunroof, and the simulation piece has the same shape as the sunroof glass and is made of a non-brittle material, such as metal, plastic, and the like.

According to the positioning and clamping device for irregular workpiece assembly, the irregular workpiece 100 before assembly is positioned and clamped through the simulation workpiece 21, and after the irregular workpiece 100 is assembled to a product, the irregular workpiece 100 slides along a slideway along with the irregular workpiece 100 to perform a sliding test after assembly, so that the irregular workpiece 100 is assembled in place, and the assembly quality is improved; the simulation workpiece 21 replaces a physical workpiece, the simulation workpiece 21 is not easy to damage, loss of the physical workpiece is avoided, and therefore production cost of products is reduced. The positioning mechanism 12 can limit the positioning of the simulated workpiece 21 along the first direction and the second direction so as to ensure that the positioning of the irregular workpiece 100 is accurate, the sliding mechanism 32 can reciprocate along the second direction so as to enable the irregular workpiece 100 to slide along the slideway, the assembled irregular workpiece 100 is tested, and the assembly efficiency is improved.

Preferably, the clamping mechanism 22 includes at least one elbow clamp 221 fixedly connected to the supporting plate 11, and the positioning column 2211 of the elbow clamp 221 can press against the irregular workpiece 100. Further, the irregular workpiece 100 is provided with a positioning hole, and the positioning column 2211 can pass through the positioning hole, so that the positioning is more accurate. The toggle clamp 221 is a clamp product for fixing a workpiece through a link mechanism, and adopts a mechanical four-link mechanism to realize quick clamping and quick opening of the workpiece, has the functions of accurate positioning, quick assembly and disassembly and self-locking clamping, and is suitable for the clamping mechanism 22 of the embodiment.

Still further, the positioning assembly 1 further comprises a working platform 13, the working platform 13 is parallel to the supporting plate 11, the assembly simulation assembly 2 further comprises a turnover mechanism 23, the turnover mechanism 23 is arranged on the working platform 13, and the turnover mechanism 23 is used for driving the elbow clamps 221 to turn over so that the positioning columns 2211 press against the irregular workpiece 100. Through tilting mechanism 23, can realize the automatic control to clamping mechanism 22, make clamping mechanism 22 automatic positioning press from both sides tight irregular work piece 100, avoid manual operation, reduce assembly debugging personnel's intensity of labour.

Specifically, the clamping mechanism 22 includes a push rod 222 and two toggle clamps 221 arranged in parallel, two ends of the push rod 222 are respectively connected to a pressing portion 2212 of the toggle clamps 221, and the turnover mechanism 23 can drive the push rod 222 to rotate around a rotating shaft 2213 of the toggle clamps 221. The tilting mechanism 23 includes a first driving cylinder 231, a second driving cylinder 232, and a click piece 233. The first driving cylinder 231 is fixedly connected to the working platform 13, and a first telescopic end of the first driving cylinder 231 can reciprocate along a first direction. The second driving cylinder 232 is connected to the first telescopic end, and the second telescopic end of the second driving cylinder 232 can reciprocate along the third direction. The clamping piece 233 is connected to the second telescopic end, the clamping piece 233 is provided with a clamping groove 2331, and the push rod 222 can be slidably clamped in the clamping groove 2331. In the initial state, the positioning column 2211 of the clamping mechanism 22 is abutted against the simulation workpiece 21, and the push rod 222 is tilted; subsequently, the first telescopic end of the first driving cylinder 231 moves along the first direction, the second telescopic end of the second driving cylinder 232 rises along the third direction, so that the clamping piece 233 is clamped with the push rod 222, then the first telescopic end of the first driving cylinder 231 moves reversely along the first direction, the second telescopic end of the second driving cylinder 232 descends along the third direction, the clamping piece 233 moves along the arc line, the push rod 222 is pulled down, one end of the positioning column 2211 is opened, and at the moment, the irregular workpiece 100 can be placed on the simulation workpiece 21 for alignment and then clamped again.

Preferably, the turnover mechanism 23 further includes an elastic buffer 234, and the elastic buffer 234 is parallel to the first telescopic end and disposed between the first driving cylinder 231 and the second driving cylinder 232. The elastic buffer 234 can buffer the ascending and descending actions of the second driving cylinder 232, so as to avoid the excessive acting force of the positioning column 2211 for clamping the irregular workpiece 100, protect the irregular workpiece 100, and improve the reliability of the clamping mechanism 22.

As a preferred solution, the lifting mechanism 31 includes two lifting cylinder groups 311, the lifting cylinder groups 311 include two parallel cylinders, and the two lifting cylinder groups 311 are respectively disposed at two sides of the support plate 11, so that lifting action of the support plate 11 is smoother. The cylinder is simple in structure, easy to control, convenient to adjust the stroke and capable of meeting the assembly requirements of products of different models.

As a preferred solution, the sliding mechanism 32 includes a linear module 321 and a guide rail 322, the linear module 321 and the guide rail 322 are parallel to each other, the linear module 321 and the guide rail 322 are disposed on the working platform 13, and the linear module 321 can drive the support plate 11 to reciprocate along the second direction; the supporting plate 11 is provided with a sliding block, and the sliding block is slidably connected to the guide rail 322, so that the guide rail 322 can improve the accuracy of the sliding direction of the supporting plate 11.

Preferably, the simulated workpiece 21 is provided with a hanging ring 24, and the hanging ring 24 is used for hanging the simulated workpiece 21. The simulated workpiece 21 is conveniently hoisted on the positioning assembly 1 through the hoisting ring 24, so that the simulated workpiece 21 is prevented from being damaged.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Positioning and clamping device for irregular workpiece assembly, capable of assembling an irregular workpiece (100) onto a product, on which a slide is provided, characterized in that it comprises:

the positioning assembly (1), the positioning assembly (1) comprises a supporting plate (11) and a positioning mechanism (12), and the positioning mechanism (12) is arranged on the supporting plate (11);

the assembling simulation assembly (2), the assembling simulation assembly (2) comprises a simulation workpiece (21) and a clamping mechanism (22), the clamping mechanism (22) is fixedly connected to the simulation workpiece (21), the simulation workpiece (21) can be placed on the supporting plate (11), the simulation workpiece (21) can be in counterpoint butt joint with the irregular workpiece (100), and the clamping mechanism (22) can press and fix the irregular workpiece (100) on the simulation workpiece (21); the positioning mechanism (12) can limit the positioning of the simulation workpiece (21) along a first direction and a second direction;

assembly test subassembly (3), assembly test subassembly (3) include lifting mechanism (31) and slide mechanism (32), lifting mechanism (31) can reciprocate in the third direction in order to lift backup pad (11), so that irregular work piece (100) assembly connection product, slide mechanism (32) can follow second direction reciprocating motion so that irregular work piece (100) are followed slide.

2. Positioning and clamping device for irregular workpiece assembly according to claim 1, characterized in that the clamping mechanism (22) comprises at least one toggle clamp (221) fixedly connected to the support plate (11), the positioning column (2211) of the toggle clamp (221) being capable of pressing against the irregular workpiece (100).

3. Positioning and clamping device for irregular workpiece assembly according to claim 2, characterized in that the irregular workpiece (100) is provided with a positioning hole through which the positioning post (2211) can pass.

4. Positioning and clamping device for irregular workpiece assembly according to claim 2, wherein the positioning assembly (1) further comprises a working platform (13), the working platform (13) is parallel to the supporting plate (11), the assembly simulation assembly (2) further comprises a turnover mechanism (23), the turnover mechanism (23) is arranged on the working platform (13), and the turnover mechanism (23) is used for driving the elbow clamp (221) to turn over so that the positioning column (2211) presses against the irregular workpiece (100).

5. The positioning and clamping device for irregular workpiece assembly according to claim 4, wherein the clamping mechanism (22) comprises a push rod (222) and two elbow clamps (221) which are arranged in parallel, two ends of the push rod (222) are respectively connected with a pressing part (2212) of the elbow clamps (221), and the turnover mechanism (23) can drive the push rod (222) to rotate around a rotating shaft (2213) of the elbow clamps (221).

6. Positioning and clamping device for irregular workpiece assembly according to claim 5, characterized in that the tilting mechanism (23) comprises:

the first driving cylinder (231), the first driving cylinder (231) is fixedly connected to the working platform (13), and a first telescopic end of the first driving cylinder (231) can reciprocate along the first direction;

a second driving cylinder (232), wherein the second driving cylinder (232) is connected to the first telescopic end, and the second telescopic end of the second driving cylinder (232) can reciprocate along the third direction;

the clamping piece (233), the clamping piece (233) connect in the flexible end of second, clamping piece (233) are provided with joint groove (2331), push rod (222) can slidable joint in joint groove (2331).

7. The positioning and clamping device for irregular workpiece assembly according to claim 6, wherein the tilting mechanism (23) further comprises an elastic buffer (234), the elastic buffer (234) being parallel to the first telescopic end and being arranged between the first driving cylinder (231) and the second driving cylinder (232).

8. Positioning and clamping device for irregular workpiece assembly according to any of the claims 1-7, wherein the lifting mechanism (31) comprises two lifting cylinder groups (311), the lifting cylinder groups (311) comprising two juxtaposed cylinders, the two lifting cylinder groups (311) being arranged on both sides of the support plate (11), respectively.

9. The positioning and clamping device for irregular workpiece assembly according to claim 4, wherein the sliding mechanism (32) comprises a linear module (321) and a guide rail (322), the linear module (321) and the guide rail (322) are provided on the work platform (13), and the support plate (11) is slidably connected to the linear module (321) and the guide rail (322).

10. Positioning and clamping device for irregular workpiece assembly according to any of the claims 1-7, wherein a lifting ring (24) is provided on the dummy workpiece (21), said lifting ring (24) being used for lifting the dummy workpiece (21).