CN114559389B

CN114559389B - Assembling clamp

Info

Publication number: CN114559389B
Application number: CN202210349902.0A
Authority: CN
Inventors: 刘慧�
Original assignee: Dehan Automation Kunshan Co ltd
Current assignee: Dehan Automation Kunshan Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2023-08-29
Anticipated expiration: 2042-04-02
Also published as: CN114559389A

Abstract

The invention belongs to the technical field of clamps and discloses an assembly clamp. The assembly fixture is used for assembling a first workpiece onto a second workpiece, and comprises a first clamping plate, a second clamping plate and a tensioning mechanism, wherein a plug pin is arranged on the first clamping plate, a plurality of positioning blocks are arranged on the second clamping plate, a positioning groove is formed by surrounding the positioning blocks, and the second workpiece is arranged in the positioning groove; the tensioning mechanism is arranged on the second clamping plate and comprises a fixed plate, a fixed shaft and an elastic piece, the fixed plate is connected with the second clamping plate, the fixed shaft penetrates through the fixed plate and is in sliding connection with the fixed plate, a slot is formed in the first end of the fixed shaft, one end of the elastic piece is connected with the fixed plate, the other end of the elastic piece is connected with the second end of the fixed shaft, and the elastic piece is configured to pull the first clamping plate in the direction close to the second clamping plate after the plug pin is inserted into the slot, so that the first clamping plate compresses the first workpiece on the second workpiece. The assembling clamp is simple in structure, and can improve the assembling efficiency and the yield of assembled products.

Description

Assembling clamp

Technical Field

The invention relates to the technical field of fixtures, in particular to an assembly fixture.

Background

With the rapid development of automobile electronic products, the functions of a screen on an automobile center console (hereinafter referred to as a center screen) are gradually increased, and the size is also continuously increased. The original center screen is simply a small-sized display screen for displaying audio tracks on the car, the frequency of the radio. However, with the development of technology, the conventional functions of the center screen have not been satisfied, and in addition to displaying audio tracks and the frequency of a radio, it is desirable that the center screen have navigation, video playback, car function adjustment, and some more fashionable internet functions. This causes the size of the neutral screen to become larger and larger. Although such a larger-sized center screen satisfies the requirements of the functions of the center screen, the requirements for mounting the center screen on an automobile become higher.

In the prior art, the large-sized central control screen is low in assembly automation, is assembled manually, is observed by human eyes, is high in manual load, and is low in manual assembly efficiency due to the fact that the large-sized central control screen is large, and is low in yield after assembly, so that economical efficiency is poor.

Accordingly, there is a need for an assembly fixture that solves the problems of the prior art.

Disclosure of Invention

The invention aims to provide an assembly fixture which can solve the problems of low assembly efficiency and low yield of assembled products in the prior art when an automobile central control screen is assembled.

To achieve the purpose, the invention adopts the following technical scheme:

an assembly fixture for assembling a first workpiece to a second workpiece, comprising:

the first clamping plate is provided with a plug pin;

the second clamping plate is provided with a plurality of positioning blocks, a plurality of positioning blocks enclose a positioning groove, and the second workpiece is arranged in the positioning groove;

the tensioning mechanism is arranged on the second clamping plate and comprises a fixed plate, a fixed shaft and an elastic piece, the fixed plate is connected with the second clamping plate, the fixed shaft penetrates through the fixed plate and is connected with the fixed plate in a sliding mode, a slot is formed in the first end of the fixed shaft, one end of the elastic piece is connected with the fixed plate, the other end of the elastic piece is connected with the second end of the fixed shaft, and the elastic piece is configured to pull the first clamping plate towards the direction close to the second clamping plate after the plug pin is inserted into the slot, so that the first clamping plate compresses the first workpiece on the second workpiece.

Optionally, the tensioning mechanism further comprises a linear bearing and a fixing sleeve, the fixing sleeve is arranged on the fixing plate, an outer ring of the linear bearing is connected with the fixing sleeve, and an inner ring of the linear bearing is connected with the fixing shaft.

Optionally, the fixed plate includes first fixed plate and second fixed plate, first fixed plate with the spacing space is enclosed to the second fixed plate, fixed cover set up in the spacing space.

Optionally, the tensioning mechanism further comprises a fastener, a first mounting hole and a second mounting hole are formed in the first fixing plate and the second fixing plate respectively, the first mounting hole and the second mounting hole are opposite to each other, and the fastener sequentially penetrates through the first mounting hole and the second mounting hole and then is used for fastening connection of the first fixing plate and the second fixing plate.

Optionally, the elastic element is a compression spring.

Optionally, a limiting plate is further disposed on the second clamping plate, and the limiting plate is configured to limit the distance between the first clamping plate and the second clamping plate.

Optionally, a first protective pad is further disposed on the first clamping plate, the first protective pad configured to prevent the first clamping plate surface from being scratched.

Optionally, a second protective pad is further disposed on the second clamping plate, the second protective pad configured to prevent the second clamping plate surface from being scratched.

Optionally, a plurality of cushioning members are disposed on the first clamping plate, the cushioning members configured to prevent the first clamping plate from crushing the first workpiece.

Optionally, the first clamping plate is further provided with a supporting piece, the supporting piece comprises a guide pillar and a guide pillar placing block, when a plurality of first clamping plates are stacked and placed, the guide pillar on one first clamping plate can be abutted with the guide pillar placing block on the adjacent other first clamping plate.

The beneficial effects are that:

according to the assembly fixture provided by the invention, the first clamping plate, the second clamping plate and the tensioning mechanism are arranged, the plug pin is arranged on the first clamping plate, the plurality of positioning blocks are arranged on the second clamping plate, the plurality of positioning blocks form the positioning groove, the second workpiece can be placed in the positioning groove firstly during assembly, then the first workpiece is placed on the surface of the second workpiece, then the first clamping plate is buckled, so that the plug pin is matched with the slot on the tensioning mechanism, the tensioning mechanism pulls the first clamping plate towards the direction close to the second clamping plate, the first workpiece is attached to the second workpiece, the assembly automation degree can be improved, the assembly efficiency can be improved, the yield of an assembled product is improved, and the assembly fixture is simple in structure and low in cost.

Drawings

FIG. 1 is a schematic view of an assembly fixture provided by the present invention;

FIG. 2 is a schematic view of the structure of the first clamping plate according to the present invention;

FIG. 3 is a schematic view of a second clamping plate according to the present invention;

fig. 4 is an enlarged view at a in fig. 2;

fig. 5 is a schematic cross-sectional view of a drawing mechanism according to the present invention.

In the figure:

1. a first clamping plate; 11. a plug pin; 111. a marble; 12. a buffer member; 13. a support; 131. a guide post; 132. the guide post placement block; 14. an anti-collision block;

2. a second clamping plate; 21. a positioning block; 22. a limiting plate;

3. a tensioning mechanism; 31. a fixing plate; 311. a first fixing plate; 312. a second fixing plate; 32. a fixed shaft; 321. a slot; 33. an elastic member; 34. a linear bearing; 35. a fixed sleeve; 36. circlips for shafts.

Detailed Description

The invention 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 invention 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 invention are shown in the drawings.

In the description of the present invention, 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 invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, 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 invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The large central control screen of the automobile needs a plurality of parts to be combined together, and generally comprises a lower frame and upper glass, and glue is filled between the frame and the glass to bond the frame and the glass together. In the prior art, the frame and the glass are assembled together by manpower, so that the assembly efficiency is low, and the yield after assembly is low.

As shown in fig. 1, this embodiment provides an assembling fixture for assembling a first workpiece to a second workpiece, in this embodiment, the first workpiece is glass of a center screen, the second workpiece is a frame of the center screen, the assembling fixture includes a first clamping plate 1, a second clamping plate 2, and a tensioning mechanism 3, as shown in fig. 2 and 3, a plug pin 11 is provided on the first clamping plate 1, a plurality of positioning blocks 21 are provided on the second clamping plate 2, a positioning groove is surrounded by the plurality of positioning blocks 21, the second workpiece is provided in the positioning groove, the tensioning mechanism 3 is provided on the second clamping plate 2, the tensioning mechanism 3 includes a fixing plate 31, a fixing shaft 32, and an elastic member 33, the fixing plate 31 is in threaded connection with the second clamping plate 2 through a bolt, the fixing shaft 32 is arranged on the fixing plate 31 in a penetrating manner and is in sliding connection with the fixing plate 31, a first end of the fixing shaft 32 is provided with a slot 321, one end of the elastic member 33 is connected with the fixing plate 31, and the other end of the elastic member 33 is connected with the second end of the fixing shaft 32, and the elastic member 33 is used for pulling the plug pin 11 toward the first clamping plate 1 and the second clamping plate 2 after the first clamping plate 1 and the second clamping plate 2 are assembled, that is inserted into the slot 321, and then the second clamping plate 1 is pulled toward the first clamping plate 1. When the assembly is carried out, the second workpiece can be placed in the positioning groove firstly, then the first workpiece is placed on the surface of the second workpiece, then the first clamping plate 1 is buckled, the plug pin 11 is matched with the slot 321 on the tensioning mechanism 3, the tensioning mechanism 3 pulls the first clamping plate 1 towards the direction close to the second clamping plate 2, the first workpiece is attached to the second workpiece, the assembly automation degree can be improved, the assembly efficiency can be improved, the yield of assembled products is improved, and the economic benefit is improved.

Preferably, as shown in fig. 4, in this embodiment, a plurality of marbles 111 are circumferentially arranged on the pin head of the plug pin 11, each marble 111 is elastically connected with the pin head of the plug pin 11 through a spring, the outermost end of the marble 111 protrudes from the outer surface of the pin head, a clamping step capable of being matched with the marble 111 is arranged on the slot 321, after the plug pin 11 is inserted into the slot 321, the marble 111 can be clamped with the clamping step, and the first clamping plate 1 can be conveniently installed on the second clamping plate 2.

Preferably, as shown in fig. 5, the tensioning mechanism 3 further includes a linear bearing 34 and a fixing sleeve 35, the fixing sleeve 35 is disposed on the fixing plate 31, an outer ring of the linear bearing 34 is connected with the fixing sleeve 35, an inner ring of the linear bearing 34 is connected with the fixing shaft 32, the arrangement of the linear bearing 34 and the fixing sleeve 35 can ensure that the first clamping plate 1 moves more stably in the direction close to the second clamping plate 2, so that the fastening precision of the first workpiece fastened on the second workpiece is ensured, and the quality of a product is further improved.

Further, as shown in fig. 5, the fixing plate 31 includes a first fixing plate 311 and a second fixing plate 312, the first fixing plate 311 and the second fixing plate 312 enclose a limiting space, and the fixing sleeve 35 is disposed in the limiting space to ensure that the fixing sleeve 35 is stable.

Still further, tensioning mechanism 3 still includes the fastener, be provided with first mounting hole and second mounting hole on first fixed plate 311 and the second fixed plate 312 respectively, first mounting hole and second mounting hole are just to setting up, after first mounting hole and second mounting hole are worn to establish in proper order to the fastener, with first fixed plate 311 and second fixed plate 312 fastening connection, can realize the quick dismouting of first fixed plate 311 and second fixed plate 312, the while is convenient to install fixed cover 35 in the spacing space, the dismouting efficiency of tensioning mechanism 3 has been improved.

Specifically, the first fixing plate 311 and the second fixing plate 312 are connected together by bolts, and the fixing sleeve 35 of the linear bearing 34 is fixed in the limiting space, the outer ring of the linear bearing 34 is fixedly connected with the fixing sleeve 35 by two axial circlips, the upper side of the fixed shaft 32 is connected with the inner ring of the linear bearing 34 by the axial circlips 36, and the lower end of the fixed shaft 32 is connected with the inner ring of the linear bearing 34 by a locating pin.

Preferably, the elastic member 33 in this embodiment is a compression spring, the compression spring has good elasticity, and the elastic force is stable, so that the first clamping plate 1 moves towards the direction close to the second clamping plate 2 under the action of the resilience force of the compressed compression spring, so that the stable movement of the first clamping plate 1 can be ensured, and the yield of the assembled product is further improved.

Optionally, as shown in fig. 3, the second clamping plate 2 is further provided with a limiting plate 22, and the limiting plate 22 is used for limiting the distance between the first clamping plate 1 and the second clamping plate 2, so that a sufficient gap is left between the first clamping plate 1 and the second clamping plate 2 to prevent the product from being crushed.

Optionally, the first clamping plate 1 is further provided with a first protection pad, and the first protection pad prevents the surface of the first clamping plate 1 from being scratched, so as to improve the service life of the first clamping plate 1.

Optionally, a second protection pad is further provided on the second clamping plate 2, and the second protection pad is used for preventing the surface of the second clamping plate 2 from being scratched, so as to improve the service life of the second clamping plate 2.

Preferably, as shown in fig. 2, the first clamping plate 1 is provided with a plurality of cushioning members 12, and the plurality of cushioning members 12 can protect the first workpiece from being crushed when the tensioning mechanism 3 pulls the first clamping plate 1, and can also prevent the first clamping plate 1 from scratching the first workpiece. Specifically, the cushioning member 12 is made of soft material such as silica gel or sponge.

Optionally, as shown in fig. 2, the first clamping plates 1 are further provided with a supporting member 13, where the supporting member 13 includes a guide pillar 131 and a guide pillar placement block 132, and when a plurality of first clamping plates 1 are stacked and placed, the guide pillar 131 on one first clamping plate 1 can be abutted with the guide pillar placement block 132 on another adjacent first clamping plate 1, so that the first clamping plates 1 are convenient to transport and store.

Optionally, the anti-collision block 14 is further arranged at one end of the first clamping plate 1, so that collision between the first clamping plate 1 and other workpieces on the assembly station can be prevented, and the service life of the first clamping plate 1 can be further prolonged.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. 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 invention are desired to be protected by the following claims.

Claims

1. An assembly fixture for assembling a first workpiece to a second workpiece, comprising:

the plug pin comprises a first clamping plate (1), wherein a plug pin (11) is arranged on the first clamping plate (1);

the second clamping plate (2), a plurality of positioning blocks (21) are arranged on the second clamping plate (2), a plurality of positioning grooves are formed by surrounding the positioning blocks (21), and the second workpiece is arranged in the positioning grooves;

the tensioning mechanism (3) is arranged on the second clamping plate (2), the tensioning mechanism (3) comprises a fixed plate (31), a fixed shaft (32) and an elastic piece (33), the fixed plate (31) is connected with the second clamping plate (2), the fixed shaft (32) penetrates through the fixed plate (31) and is in sliding connection with the fixed plate (31), a slot (321) is formed in a first end of the fixed shaft (32), one end of the elastic piece (33) is connected with the fixed plate (31), the other end of the elastic piece (33) is connected with a second end of the fixed shaft (32), and the elastic piece (33) is configured to pull the first clamping plate (1) towards a direction close to the second clamping plate (2) after the plug pin (11) is inserted into the slot (321), so that the first clamping plate (1) tightly presses the first workpiece on the second workpiece;

the tensioning mechanism (3) further comprises a linear bearing (34) and a fixing sleeve (35), the fixing sleeve (35) is arranged on the fixing plate (31), the outer ring of the linear bearing (34) is connected with the fixing sleeve (35), and the inner ring of the linear bearing (34) is connected with the fixing shaft (32);

the fixing plate (31) comprises a first fixing plate (311) and a second fixing plate (312), a limiting space is defined by the first fixing plate (311) and the second fixing plate (312), and the fixing sleeve (35) is arranged in the limiting space.

2. The assembly fixture according to claim 1, wherein the tightening mechanism (3) further comprises a fastener, the first fixing plate (311) and the second fixing plate (312) are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are opposite to each other, and the fastener sequentially penetrates through the first mounting hole and the second mounting hole and then fastens the first fixing plate (311) and the second fixing plate (312).

3. Assembly jig according to claim 1, characterized in that the elastic element (33) is a compression spring.

4. The assembly jig according to claim 1, characterized in that the second clamping plate (2) is further provided with a limiting plate (22), the limiting plate (22) being configured to limit the distance between the first clamping plate (1) and the second clamping plate (2).

5. The assembly jig according to any one of claims 1-4, wherein the first clamping plate (1) is further provided with a first protective pad configured to prevent scratching of the surface of the first clamping plate (1).

6. Assembly jig according to any one of claims 1-4, characterized in that the second clamping plate (2) is further provided with a second protective backing plate configured to prevent scratches on the surface of the second clamping plate (2).

7. Assembly jig according to any one of claims 1-4, characterized in that the first clamping plate (1) is provided with a plurality of buffers (12), which buffers (12) are configured to prevent the first clamping plate (1) from crushing the first workpiece.

8. The assembly jig according to any one of claims 1-4, wherein the first clamping plates (1) are further provided with a supporting member (13), the supporting member (13) comprises a guide pillar (131) and a guide pillar placing block (132), and when a plurality of the first clamping plates (1) are stacked, the guide pillar (131) on one of the first clamping plates (1) can be abutted with the guide pillar placing block (132) on the adjacent other first clamping plate (1).