CN219005843U

CN219005843U - Positioning fixture of two-way centre gripping

Info

Publication number: CN219005843U
Application number: CN202320158699.9U
Authority: CN
Inventors: 蔡军
Original assignee: Shenzhen Ambo Technology Co ltd
Current assignee: Shenzhen Ambo Technology Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-05-12
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a positioning fixture for bidirectional clamping, which relates to the technical field of positioning fixtures and comprises a base and a positioning component, wherein supporting feet are arranged at four corners of the front end of the base, a rotating component used for rotating is arranged on the inner side of each supporting foot, the rotating component comprises a ring frame, a supporting platform, a gear ring, a gear and a motor I, the supporting platform is arranged on the inner side of the ring frame in a sliding manner, the gear ring is arranged at the rear end of the supporting platform, the gear is connected with the inner side of the gear ring, the motor I is connected with the rear end of the gear through a driving shaft, and the positioning component used for positioning a workpiece is arranged at the front end of the supporting platform. The positioning fixture positioning assembly capable of achieving bidirectional positioning and clamping of workpieces of different sizes can be fast and stable, the workpiece processing period is more stable, the efficiency is high, the push plate is driven by the electric push rod to push the workpiece, the workpiece can be promoted to move forwards between two clamping rollers, and therefore front and rear positioning is achieved, and the flexibility of the positioning fixture in use is improved.

Description

Positioning fixture of two-way centre gripping

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture capable of clamping in two directions.

Background

The fixture is a device for fixing a machining object in a correct position in a mechanical manufacturing process to receive construction or detection, and is also called a fixture in a broad sense, and any process in the process for rapidly, conveniently and safely mounting a workpiece can be called a fixture.

The utility model of application number CN202021767593.1 discloses a positioning clamp. The positioning blocks are added on the basis of the bench vice, so that batch production of workpieces can be conveniently carried out by workers, meanwhile, the connection relation between the positioning blocks and the bench vice fixing clamping blocks is reasonably designed, the positions of the positioning blocks between the fixing clamping blocks can be randomly adjusted, the application range is conveniently enlarged, workpieces with different sizes are clamped, counter bores on the positioning blocks are reasonably designed, and workers can be prevented from touching the positioning blocks by mistake during use, and then the positioning blocks are scratched by the heads of screws. However, secondary clamping correction is required when machining different positions of the workpiece, which increases the labor intensity of workers.

Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional defects, and a positioning jig for bidirectional clamping has been proposed.

Disclosure of Invention

The utility model aims to provide a positioning clamp capable of clamping in two directions, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioning fixture of two-way centre gripping, includes base and locating component, the front end four corners of base is provided with the spike, and the inboard of spike is provided with the rotating component that is used for rotatory, rotating component includes link frame, supporting platform, ring gear, gear and motor one, and the inboard slip of link frame is provided with supporting platform, supporting platform's rear end is provided with the ring gear, and the inboard of ring gear links up there is the gear, the rear end of gear has motor one through drive hub connection for work piece location locating component sets up in supporting platform's front end, and locating component includes support and motor two, the motor two is settled on the bottom right side of support.

Furthermore, the inner side of the ring frame is concave, and the motor I is fixedly connected with the base.

Furthermore, the supporting platform is hollow, the supporting platform and the gear ring are of an integrated structure, and the gear ring are in meshed connection.

Furthermore, the positioning assembly further comprises a positive and negative screw rod I, a nut seat and a driving gear, the output end of the motor II penetrates through the bottom of the support and is connected with the positive and negative screw rod I, and the nut seat and the driving gear are sequentially sleeved outside the positive and negative screw rod I from bottom to top.

Further, the positioning assembly further comprises a toothed belt and a driven gear, the toothed belt is connected to the outer side of the driving gear, and the driven gear is connected to the inner side of the toothed belt.

Further, the positioning assembly further comprises a positive and negative screw rod II, a connecting plate and a clamping roller, the positive and negative screw rod II is vertically arranged in the middle of the driven gear in a penetrating mode, the connecting plate is arranged on one side, close to the vertical central axis of the support, of the nut seat, and the clamping roller is rotatably arranged on the inner side of the connecting plate.

Further, two connecting plates are arranged, and the connecting plates are concave in bottom view.

Further, the front end mid-mounting of base has electric putter, and electric putter's output is connected with the push pedal.

The utility model provides a positioning fixture for bidirectional clamping, which has the following beneficial effects: this positioning fixture of two-way centre gripping, the locating component that sets up can swiftly be stable carry out two-way location centre gripping to not unidimensional work piece, makes the work piece processing period more stable, efficient.

1. According to the utility model, the first positive and negative screw rod and the second positive and negative screw rod are respectively sleeved with two nut seats, the first positive and negative screw rod is driven to drive through the second motor, and the driven gear which is also attached to the inner side of the toothed belt is driven by the driving gear sleeved with the first positive and negative screw rod to carry out meshing drive, so that the connecting plate can move in opposite directions or opposite directions along the vertical direction respectively relative to the first positive and negative screw rod and the second positive and negative screw rod, thereby adapting to workpieces with different sizes and avoiding displacement in the processing process.

2. According to the utility model, the push plate is driven by the electric push rod to push the workpiece, so that the workpiece can be promoted to move forwards relative to the two clamping rollers, the front and back positioning is realized, and the flexibility of the positioning clamp in use is improved.

3. The utility model relates to a method for manufacturing a semiconductor device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a positioning fixture with two-way clamping according to the present utility model;

FIG. 2 is a schematic rear view of a rotary assembly of a bi-directional clamping fixture according to the present utility model;

fig. 3 is a schematic perspective view of a base of a positioning fixture with two-way clamping according to the present utility model.

In the figure: 1. a base; 2. supporting feet; 3. a rotating assembly; 301. a ring frame; 302. a support platform; 303. a gear ring; 304. a gear; 305. a first motor; 4. a positioning assembly; 401. a support; 402. a second motor; 403. a positive and negative screw rod I; 404. a nut seat; 405. a drive gear; 406. toothed belts; 407. a driven gear; 408. a positive and negative screw rod II; 409. a connecting plate; 410. a grip roll; 5. an electric push rod; 6. a push plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in FIG. 1, a positioning fixture for two-way clamping comprises a base 1 and a positioning component 4, wherein four corners of the front end of the base 1 are provided with supporting feet 2, the inner side of the supporting feet 2 is provided with a rotating component 3 for rotating, the positioning component 4 for workpiece positioning is arranged at the front end of a supporting platform 302, the positioning component 4 comprises a support 401 and a motor II 402, the right side of the bottom of the support 401 is provided with the motor II 402, the positioning component 4 further comprises a positive and negative screw rod I403, a nut seat 404 and a driving gear 405, the output end of the motor II 402 penetrates through the bottom of the support 401 to be connected with the positive and negative screw rod I403, the nut seat 404 and the driving gear 405 are sleeved outside the positive and negative screw rod I403 from bottom to top in sequence, the positioning component 4 further comprises a toothed belt 406 and a driven gear 407, the outer side of the driving gear 405 is connected with the toothed belt 406, the inner side of the toothed belt 406 is also connected with the driven gear 407, the positioning component 4 further comprises a positive and negative screw rod II 408, a connecting plate 409 and a clamping roller 410, wherein the positive and negative screw rod II 408 is vertically penetrated in the middle of the driven gear 407, the connecting plate 409 is arranged on one side of the nut seat 404 close to the vertical central axis of the support 401, the clamping roller 410 is rotatably arranged on the inner side of the connecting plate 409, two connecting plates 409 are arranged, the connecting plate 409 is in a concave shape in a back view, two nut seats 404 are sleeved outside the positive and negative screw rod I403 and the positive and negative screw rod II 408, the positive and negative screw rod I403 is driven by the motor II 402 to drive, the driven gear 407 which is sleeved and fixed with the positive and negative screw rod I403 drives the driven gear 407 which is also jointed with the inner side of the toothed belt 406 to carry out meshing transmission, the connecting plate 409 moves in opposite directions or opposite directions relative to the positive and negative screw rod I403 and the positive and negative screw rod II 408 respectively, thereby workpieces with different sizes are adapted, the displacement is avoided in the processing process; the front end mid-mounting of base 1 has electric putter 5, and the output of electric putter 5 is connected with push pedal 6, drives push pedal 6 through electric putter 5 and promotes the work piece, can promote the work piece to move forward between about two grip rolls 410 to realize the front and back location, improve the flexibility when positioning jig uses.

As shown in fig. 2, the rotating assembly 3 includes a ring frame 301, a supporting platform 302, a gear ring 303, a gear 304 and a first motor 305, where the supporting platform 302 is slidably disposed on the inner side of the ring frame 301, the gear ring 303 is disposed at the rear end of the supporting platform 302, the gear 304 is connected to the inner side of the gear ring 303, the supporting platform 302 is hollow, the supporting platform 302 and the gear ring 303 are in an integrated structure, the gear 304 is meshed with the gear ring 303, the rear end of the gear 304 is connected to the first motor 305 through a driving shaft, the inner side of the ring frame 301 is concave, the first motor 305 is fixedly connected with the base 1, the first motor 305 drives the driving shaft to drive the gear 304 to drive the supporting platform 302 integrally fixed with the gear ring 303 to rotate in a horizontal direction, so that continuous processing operations of workpieces in different directions can be implemented, and time for correcting secondary clamping is saved.

In summary, when the positioning fixture for bidirectional clamping is used, firstly, the ring frame 301, the supporting feet 2 and the base 1 are fixed into a whole, the workpiece is placed between two clamping rollers 410, then the motor two 402 is started to drive the positive and negative screw one 403 to drive, the driven gear 407 which is also jointed with the inner side of the toothed belt 406 is driven by the driving gear 405 sleeved and fixed with the positive and negative screw one 403 to carry out meshing transmission, the connecting plate 409 moves in opposite directions along the vertical direction on the positive and negative screw one 403 and the positive and negative screw two 408 respectively, so that the bidirectional positioning clamping is realized when the clamping rollers 410 are tightly attached to the workpiece, then the motor one 305 can be controlled to drive the driving gear 304 according to the processing requirement, the supporting platform 302 which is integrally fixed with the gear ring 303 is driven by the gear 304 in a rotating state to carry out horizontal direction rotation along the inner side of the ring frame 301, the continuous processing operation of the workpiece in different directions is realized, the time for secondary clamping correction is saved, and when one section of the workpiece is positioned is processed, the motor one 305 can be suspended, the electric push rod 5 is started, the electric push rod 6 is driven to push the workpiece, the workpiece is required to move forward relative to the two clamping rollers 410 which are rotationally connected with the inner sides of the connecting plate 409, so that the forward positioning condition is satisfied, and the positioning condition is improved when the positioning condition is used.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a positioning fixture of two-way centre gripping, includes base (1) and locating component (4), its characterized in that, the front end four corners of base (1) is provided with spike (2), and the inboard of spike (2) is provided with rotatory subassembly (3) that are used for rotatory, rotatory subassembly (3) include link (301), supporting platform (302), ring gear (303), gear (304) and motor one (305), and the inboard slip of link (301) is provided with supporting platform (302), the rear end of supporting platform (302) is provided with ring gear (303), and the inboard of ring gear (303) links up there is gear (304), the rear end of gear (304) has motor one (305) through the drive shaft connection, be used for work piece location locating component (4) set up in the front end of supporting platform (302), and locating component (4) include support (401) and motor two (402), motor two (402) are settled on the bottom right side of support (401).

2. The positioning fixture for bidirectional clamping according to claim 1, wherein the inner side of the ring frame (301) is concave, and the motor I (305) is fixedly connected with the base (1).

3. The positioning fixture for bidirectional clamping according to claim 1, wherein the supporting platform (302) is hollow, the supporting platform (302) and the gear ring (303) are of an integrated structure, and the gear (304) and the gear ring (303) are in meshed connection.

4. The positioning fixture for bidirectional clamping according to claim 1, wherein the positioning assembly (4) further comprises a first positive and negative screw (403), a nut seat (404) and a driving gear (405), the output end of the second motor (402) penetrates through the bottom of the support (401) to be connected with the first positive and negative screw (403), and the nut seat (404) and the driving gear (405) are sequentially sleeved outside the first positive and negative screw (403) from bottom to top.

5. The positioning fixture for bidirectional clamping according to claim 4, wherein the positioning assembly (4) further comprises a toothed belt (406) and a driven gear (407), the toothed belt (406) is connected to the outer side of the driving gear (405), and the driven gear (407) is connected to the inner side of the toothed belt (406).

6. The positioning fixture for bidirectional clamping according to claim 5, wherein the positioning assembly (4) further comprises a positive and negative screw rod two (408), a connecting plate (409) and a clamping roller (410), the positive and negative screw rod two (408) is vertically arranged in a penetrating mode in the middle of the driven gear (407), the connecting plate (409) is arranged on one side, close to the vertical central axis of the support (401), of the nut seat (404), and the clamping roller (410) is rotatably arranged on the inner side of the connecting plate (409).

7. The positioning fixture for bidirectional clamping according to claim 6, wherein two connecting plates (409) are provided, and the connecting plates (409) are concave in bottom view.

8. The positioning fixture for bidirectional clamping according to claim 1, wherein an electric push rod (5) is mounted in the middle of the front end of the base (1), and the output end of the electric push rod (5) is connected with a push plate (6).