CN210257298U

CN210257298U - Pneumatic clamping tool for plastic hot plate welding

Info

Publication number: CN210257298U
Application number: CN201920792453.0U
Authority: CN
Inventors: 张永彬
Original assignee: Xiamen Changxin Electronic Technology Co ltd
Current assignee: Xiamen Changxin Electronic Technology Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-07
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a pneumatic centre gripping frock of plastics hot plate welding, it includes the base, the workstation, the stand, drive arrangement and clamping mechanism, it places the district to be equipped with the product on the workstation, it is equipped with a plurality of first through-holes to place the district around the product, the stand is located between base and the workstation, drive arrangement locates on the base, clamping mechanism includes impeller and a plurality of clamping jaw subassembly, the impeller is connected with drive arrangement, a plurality of clamping jaw unit mount are on the impeller, rise or descend through drive arrangement drive impeller to open or receive after driving clamping jaw subassembly stretches out first through-hole and close. The utility model discloses a drive arrangement drives clamping jaw subassembly and closes or open to realize the centre gripping or loosen the product of treating welding on the workstation, the overall structure of equipment is compact, and installation and debugging are convenient, easy to maintain.

Description

Pneumatic clamping tool for plastic hot plate welding

Technical Field

The utility model relates to a frock clamp technical field, concretely relates to pneumatic centre gripping frock of plastics hot plate welding.

Background

The plastic hot plate welding equipment comprises: the method can be applied to products with different sizes, and has no area limitation; the method can be applied to any welding surface without special requirements; the welding surface can allow the plastic allowance compensation, the welding strength is ensured, and the like, and the welding surface is widely applied to the production and manufacturing industry due to the advantages. However, when the existing plastic hot plate welding equipment clamps a product, a complex mechanism is often adopted to clamp the product, so that the designed clamp is too large and complex, and the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic centre gripping frock of plastics hot plate welding, its compact structure, the installation and debugging is convenient, easy to maintain.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pneumatic clamping tool for welding of a plastic hot plate comprises a base, a workbench, a stand column, a driving device and a clamping mechanism, wherein a product placing area is arranged on the workbench, a plurality of first through holes are formed in the product placing area in a surrounding mode, the stand column is arranged between the base and the workbench, the driving device is arranged on the base, the clamping mechanism comprises a pushing piece and a plurality of clamping jaw assemblies, the pushing piece is connected with the driving device, the clamping jaw assemblies are installed on the pushing piece, and the pushing piece is driven to ascend or descend by the driving device so as to drive the clamping jaw assemblies to stretch out of the first through holes and then open or close.

Furthermore, the clamping jaw assembly comprises an installation seat, a clamping jaw and a pin, the pushing piece is disc-shaped, the installation seat is fixedly arranged on the pushing piece, one end of the clamping jaw is rotatably connected to the installation seat through the pin, and the other end of the clamping jaw penetrates out of the first through hole.

Furthermore, the clamping jaw comprises a first clamping arm, a second clamping arm and a clamping hook, one end of the first clamping arm is connected with the mounting seat, the other end of the first clamping arm is bent towards one side of the center of the pushing part to form the second clamping arm, and the second clamping arm is bent towards one side of the center of the pushing part to form the clamping hook.

Further, clamping mechanism still includes a plurality of guide blocks, the guide block sets up in the bottom of workstation, be equipped with the second through-hole on the guide block, the second through-hole corresponds with first through-hole, and its size is less than the size of first through-hole, so that the second arm lock can swing in first through-hole.

Furthermore, an inclined guide surface is arranged at the position where the second through hole is contacted with the first clamping arm.

Further, the number of the first through holes and the number of the clamping jaw assemblies are all at least three, and the first through holes and the clamping jaw assemblies are all arranged at equal angles.

Furthermore, the driving device comprises a supporting plate, a fixing plate and a driving piece, wherein the supporting plate is fixedly arranged on the base, the fixing plate is arranged on the supporting plate, and the driving piece is arranged on the fixing plate and used for driving the pushing piece to ascend or descend.

Further, the driving member is a cylinder.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

1. the utility model discloses a drive arrangement drives clamping jaw subassembly and closes or open to realize the centre gripping or loosen the product of treating welding on the workstation, the overall structure of equipment is compact, and installation and debugging are convenient, easy to maintain.

2. The utility model discloses a clamping jaw drives the up-and-down motion by the impeller to by the activity direction of guide block restriction clamping jaw, make the clamping jaw can be synchronous centre gripping together, loosen in step, guarantee that the reliability of welding the product is treated to the centre gripping.

Drawings

Fig. 1 is an exploded perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3 at B.

Description of reference numerals:

1. a base;

2. a workbench, 21, a product placing area, 22, a first through hole;

3. a column;

41. the clamping jaw assembly comprises a pushing piece, 42, a clamping jaw assembly, 421, a mounting seat, 422, a clamping jaw, 4221, a first clamping arm, 4222, a second clamping arm, 4223 clamping hooks, 423, a pin, 43, a guide block, 431, a second through hole and 4311, a guide surface;

51. a support plate, 52, a fixing plate, 53, a driving member;

100. the product is to be welded.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Examples

Referring to fig. 1, the utility model discloses a pneumatic centre gripping frock of plastics hot plate welding, including base 1, workstation 2, stand 3, clamping mechanism and drive arrangement.

With reference to fig. 1 to 3, a product placement area 21 is provided on the work table 2, a plurality of first through holes 22 are provided around the product placement area 21, the column 3 is provided between the base 1 and the work table 2, and the driving device is provided on the base 1.

The clamping mechanism comprises a pushing part 41 and a plurality of clamping jaw assemblies 42, the pushing part 41 is connected with a driving device, the plurality of clamping jaw assemblies 42 are installed on the pushing part 41, and the driving device drives the pushing part 41 to ascend or descend so as to drive the clamping jaw assemblies 42 to extend out of the first through holes 22 and then open or close.

The clamping jaw assembly 42 includes a mounting seat 421, a clamping jaw 422 and a pin 423, the pushing member 41 is disc-shaped, the mounting seat 421 is fixedly disposed on the pushing member 41, one end of the clamping jaw 422 is rotatably connected to the mounting seat 421 through the pin 423, and the other end penetrates through the first through hole 22. The clamping jaw 422 includes a first clamping arm 4221, a second clamping arm 4222 and a clamping hook 4223, one end of the first clamping arm 4221 is connected with the mounting seat 421, the other end of the first clamping arm 4221 is bent towards one side of the center of the pushing part 41 to form the second clamping arm 4222, and the second clamping arm 4222 is bent towards one side of the center of the pushing part 41 to form the clamping hook 4223.

As shown in fig. 1, 3 and 4, the clamping mechanism further includes a plurality of guide blocks 43, the guide blocks 43 are disposed at the bottom of the worktable 2, the guide blocks 43 are provided with second through holes 431, the second through holes 431 correspond to the first through holes 22, and the size of the second through holes 431 is smaller than that of the first through holes 22, so that the second clamping arms 4222 can swing in the first through holes 22. Referring specifically to fig. 4, in the present embodiment, an inclined guide surface 4311 is provided at a position where the second through hole 431 contacts with the first clamp arm 4221.

The number of the first through holes 22 and the number of the clamping jaw assemblies 42 are at least three, and the first through holes 22 and the clamping jaw assemblies 42 are all arranged at equal angles, in this embodiment, the number of the first through holes 22 and the number of the clamping jaw assemblies 42 are preferably three, so that the clamping jaw assemblies 42 have enough clamping force, and the installation cost can be reduced.

The driving device comprises a supporting plate 51, a fixing plate 52 and a driving member 53, wherein the supporting plate 51 is fixedly arranged on the base 1, the fixing plate 52 is arranged on the supporting plate 51, and the driving member 53 is arranged on the fixing plate 52 and is used for driving the pushing member 41 to ascend or descend. In the present embodiment, the driver 53 is a cylinder.

The utility model discloses a working process does:

first, before the product to be welded is placed on the product placement area 21, the driving member 53 drives the pushing member 41 to the high position, and at this time, the clamping jaws 422 are in the open state.

Secondly, after the product to be welded is placed on the product placing area 21, the driving part 53 drives the pushing part 41 to descend, the first clamping arm 4221 of the clamping jaw 422 is limited in the moving direction by the guide surface 4311 of the guide block 43, and the second clamping arm 4222 contracts inwards in the descending process until the clamping hook 4223 clamps the product to be welded.

Thirdly, after welding is finished, the driving piece 53 drives the pushing piece 41 to ascend, the clamping hook 4223 leaves a product to be welded, the first clamping arm 4221 is limited in the moving direction by the guide surface 4311 of the guide block 43, the clamping jaw 422 gradually expands outwards when moving upwards, and the product to be welded can be taken down after the clamping jaw 422 completely expands.

It should be noted that, the utility model discloses a centre gripping frock is not limited to be used for the plastic hot plate welding machine on, also can install this centre gripping frock on other equipment to realize supplementary grip function, to this, the utility model discloses in no longer describe repeatedly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a pneumatic centre gripping frock of plastics hot plate welding which characterized in that: the clamping mechanism comprises a pushing piece and a plurality of clamping jaw assemblies, wherein the pushing piece is connected with the driving device, the plurality of clamping jaw assemblies are installed on the pushing piece, and the pushing piece is driven to ascend or descend by the driving device so as to drive the clamping jaw assemblies to stretch out of the first through holes and then open or close.

2. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 1, wherein the pneumatic clamping tool comprises: the clamping jaw assembly comprises a mounting seat, a clamping jaw and a pin, the pushing piece is disc-shaped, the mounting seat is fixedly arranged on the pushing piece, one end of the clamping jaw is rotatably connected to the mounting seat through the pin, and the other end of the clamping jaw penetrates out of the first through hole.

3. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 2, wherein the pneumatic clamping tool comprises: the clamping jaw comprises a first clamping arm, a second clamping arm and a clamping hook, one end of the first clamping arm is connected with the mounting seat, the other end of the first clamping arm is bent towards one side of the center of the pushing part to form the second clamping arm, and the second clamping arm is bent towards one side of the center of the pushing part to form the clamping hook.

4. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 3, wherein the pneumatic clamping tool comprises: the clamping mechanism further comprises a plurality of guide blocks, the guide blocks are arranged at the bottom of the workbench, second through holes are formed in the guide blocks, the second through holes correspond to the first through holes, and the size of the second through holes is smaller than that of the first through holes, so that the second clamping arms can swing in the first through holes.

5. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 4, wherein the pneumatic clamping tool comprises: and an inclined guide surface is arranged at the position where the second through hole is contacted with the first clamping arm.

6. The pneumatic clamping tool for plastic hot plate welding as claimed in any one of claims 1 to 5, wherein: the number of the first through holes and the number of the clamping jaw assemblies are all at least three, and the first through holes and the clamping jaw assemblies are all arranged at equal angles.

7. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 1, wherein the pneumatic clamping tool comprises: the driving device comprises a supporting plate, a fixing plate and a driving piece, the supporting plate is fixedly arranged on the base, the fixing plate is arranged on the supporting plate, and the driving piece is arranged on the fixing plate and used for driving the driving piece to ascend or descend.

8. The pneumatic clamping tool for welding the plastic hot plate as claimed in claim 7, wherein the pneumatic clamping tool comprises: the driving piece is an air cylinder.