CN220480878U

CN220480878U - Clamp convenient to overturn

Info

Publication number: CN220480878U
Application number: CN202320983891.1U
Authority: CN
Inventors: 程帅
Original assignee: Tianjin Fengxin Machinery Parts Processing Co ltd
Current assignee: Tianjin Fengxin Machinery Parts Processing Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2024-02-13
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a clamp convenient to turn over, which belongs to the technical field of machining and comprises a base, a fixed plate and a movable plate, wherein the fixed plate is fixedly arranged on one side of the base, the movable plate is arranged on the other side of the base, one sides of the fixed plate and the movable plate are respectively connected with a rotating shaft, clamping plates are rotatably arranged on the inner sides of the fixed plate and the movable plate, a detachable clamping block is arranged on one side of each clamping plate, a fixed assembly is arranged in each clamping plate, an angle positioning assembly is arranged in each movable plate, a placing plate I is fixedly arranged on one side of each movable plate, a motor I is arranged on each placing plate I, the rotating shafts are arranged on an output shaft of the motor I, the turnover angle of a workpiece can be adjusted more accurately through the angle positioning assembly, the use range of the clamp can be enlarged, and the clamp has the characteristic of easy adjustment.

Description

Clamp convenient to overturn

Technical Field

The utility model relates to the technical field of machining, in particular to a clamp convenient to turn over.

Background

The machining is a process of changing the external dimension or performance of a workpiece through mechanical equipment, the workpiece is frequently required to be polished, welded, disassembled, maintained and the like when machined, the workpiece is mostly required to be disassembled for many times when the other surface of the workpiece is machined by the existing machining table, and then the position of the workpiece is adjusted.

The method comprises the following steps: CN215317143U, a mechanical fixture convenient to upset, including movable plate, fixed plate and base, the inboard of movable plate and fixed plate all is provided with the disc, the one end central point department of disc is connected with the bull stick, the other end of bull stick rotates with movable plate and fixed plate through the bearing frame that sets up and is connected, both ends all leave the fluting about the fixed plate, the one end of fixed plate is provided with the twist grip, the integrative first lead screw that is fixed with in twist grip bottom, first lead screw bottom is integrative to be fixed with the second lead screw, first lead screw is the positive screw, the second lead screw is the reverse screw, there is first thread bush through threaded connection on the first lead screw, there is the second thread bush through threaded connection on the second lead screw, the one end that first thread bush and second thread bush are close to the fixed plate all is fixed with splint, the other end of splint passes through the fluting. The beneficial effects are that: the workpiece can be turned over for processing under the condition that the workpiece is not dismounted to be repositioned, the times of adjusting the workpiece by workers are reduced, and the processing efficiency of the numerical control machine tool is improved.

Above technical scheme can realize the processing of overturning to the work piece through rotating the handle, has reduced the workman and has adjusted the number of times to the work piece, has improved the machining efficiency of digit control machine tool, but can't carry out more accurate angle upset according to the demand when using, can't also carry out the shape of adjusting anchor clamps according to the shape of work piece, has reduced application range.

In view of this, the present utility model has been made to help solve the problems.

Disclosure of Invention

The utility model aims to solve the problems and provide the clamp convenient to turn over, which can enable the angle positioning assembly to turn over the workpiece more accurately, and also can select a proper clamping plate according to the shape of the workpiece through the fixing assembly, and has the characteristics of simplicity in operation, easiness in adjustment and wide application range.

The utility model realizes the aim through the following technical scheme, the clamp convenient to overturn comprises a base, a fixed plate and a movable plate, wherein the fixed plate is fixedly arranged on one side of the base, the movable plate is arranged on the other side of the base, one sides of the fixed plate and the movable plate are respectively connected with a rotating shaft, clamping plates are rotatably arranged on the inner sides of the fixed plate and the movable plate, a detachable clamping block is arranged on one side of the clamping plates, a fixed assembly is arranged in the clamping plates, an angle positioning assembly is arranged in the movable plate, a placing plate I is fixedly arranged on one side of the movable plate, a motor I is arranged on the placing plate I, the rotating shafts are arranged on an output shaft of the motor I, in the use process, the motor II is started to enable the movable plate to move to a proper position, a workpiece is clamped, the overturning of the clamping plates can be realized more accurately through starting the motor I and the angle positioning assembly, and the detachable clamping block can be replaced according to the shape of the workpiece.

Preferably, the base is internally provided with a hollow groove, the screw rod is rotationally arranged in the hollow groove, the bottom of the movable plate is fixedly provided with a thread bush, the thread bush is meshed with and arranged on the screw rod, one side of the base is fixedly provided with a second placing plate, the second placing plate is provided with a second motor, the screw rod is arranged on an output shaft of the second motor, and the second motor is started to drive the screw rod to rotate so as to drive the movable plate to move towards the direction of the fixed plate, so that the clamping plate clamps a workpiece.

Preferably, the first circular arc groove is formed in the movable plate, the second circular arc groove is formed in one side of the inner wall of the first circular arc groove, the angle positioning assembly comprises a clamping block, a connecting block and a limiting block, the connecting block is clamped in the first circular arc groove, the clamping block is fixedly installed on one side of the connecting block and clamped in the second circular arc groove, the limiting block is fixedly installed at the top of the connecting block, a thread groove is formed in the limiting block, a positioning screw is installed in the thread groove in a meshed mode, the rotating angle of a workpiece can be accurately adjusted through the angle positioning assembly, and the positioning function is achieved through the positioning screw.

Preferably, the cavity has been seted up to the inside of splint, one side fixedly connected with installation piece of removable grip block, the installation piece joint is in the cavity, the fixed orifices has been seted up to one side of installation piece, fixed subassembly includes draws piece, spliced pole, fixed block and spring, it sets up to draw the piece one side of splint, the fixed block card is established in the fixed orifices, the cavity with the logical groove has been seted up between the lateral wall of splint, the spliced pole is installed draw the piece with between the fixed block and the card is established in logical inslot, the spring housing is established on the spliced pole, through the installation piece card is established in the cavity of splint with the fixed block card is established in the fixed orifices of installation piece, realize to the fixation of removable grip block.

The beneficial effects of the utility model are as follows:

1. the utility model can turn over the motor to drive the clamping plate, and can adjust the turnover angle of the workpiece more accurately through the angle positioning assembly, thereby having the characteristics of convenient adjustment and easy operation.

2. The utility model can change the detachable clamping blocks with different shapes according to the shape of the workpiece through the fixing component, enlarges the application range of the clamp, and has the characteristic of easy adjustment.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of a base of the present utility model.

Fig. 3 is a cross-sectional view of a moving plate of the present utility model.

Fig. 4 is a cross-sectional view of a splint according to the present utility model.

In the figure: 1. a base; 2. a fixing plate; 3. a moving plate; 4. a rotating shaft; 5. a clamping plate; 6. a detachable clamping block; 7. a fixing assembly; 701. pulling blocks; 702. a connecting column; 703. a fixed block; 704. a spring; 8. an angle positioning assembly; 801. a clamping block; 802. a connecting block; 803. a limiting block; 9. placing a first plate; 10. a first motor; 11. a hollow groove; 12. a screw rod; 13. a thread sleeve; 14. placing a second plate; 15. a second motor; 16. arc groove I; 17. arc groove II; 18. a cavity; 19. a mounting block; 20. a fixing hole; 21. and positioning a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a fixture convenient for overturning comprises a base 1, a fixed plate 2 and a movable plate 3, wherein the fixed plate 2 is fixedly installed on one side of the base 1, the movable plate 3 is arranged on the other side of the base 1, one sides of the fixed plate 2 and the movable plate 3 are respectively connected with a rotating shaft 4, clamping plates 5 are rotatably installed on the inner sides of the fixed plate 2 and the movable plate 3, a detachable clamping block 6 is arranged on one side of the clamping plates 5, a fixing assembly 7 is arranged in the clamping plates 5, an angle positioning assembly 8 is arranged in the movable plate 3, a placing plate 9 is fixedly installed on one side of the movable plate 3, a motor 10 is installed on the placing plate 9, the rotating shafts 4 are installed on an output shaft of the motor 10, when the fixture is used, a workpiece is placed into the clamping plates 5 in use, the movable plate 3 is clamped by starting the motor 15, overturning of the workpiece is achieved, overturning angles are accurately adjusted through the angle positioning assembly 8, and different detachable clamping blocks 6 are replaced according to the shape of the workpiece.

As a technical optimization scheme of the utility model, as shown in fig. 2, a hollow groove 11 is formed in a base 1, a screw rod 12 is rotatably installed in the hollow groove 11, a thread bush 13 is fixedly installed at the bottom of a moving plate 3, the thread bush 13 is meshed with and installed on the screw rod 12, a second placing plate 14 is fixedly installed on one side of the base 1, a second motor 15 is installed on the second placing plate 14, the screw rod 12 is installed on an output shaft of the second motor 15, the second motor 15 is started, the second motor 15 drives the screw rod 12 to rotate, so that the screw rod 12 is driven to rotate, the moving plate 3 is realized, and the clamping plate 5 clamps a workpiece.

As a technical optimization scheme of the utility model, as shown in FIG. 3, a first arc groove 16 is formed in the moving plate 3, a second arc groove 17 is formed on one side of the inner wall of the first arc groove 16, the angle positioning assembly 8 comprises a clamping block 801, a connecting block 802 and a limiting block 803, the connecting block 802 is clamped in the first arc groove 16, the clamping block 801 is fixedly arranged on one side of the connecting block 802 and is clamped in the second arc groove 17, the limiting block 803 is fixedly arranged at the top of the connecting block 802, a threaded groove is formed in the limiting block 803, a positioning screw 21 is arranged in the threaded groove in a meshed manner, when the overturning operation is performed, the limiting block 803 can be slid according to requirements, the angle is determined through an external angle measuring device, then the limiting block 803 is slid, and when the limiting block 803 slides to a proper angle, the fixing of the limiting block 803 is realized through screwing the positioning screw 21, so that more accurate angle overturning is achieved.

As a technical optimization scheme of the utility model, as shown in fig. 4, a cavity 18 is formed in the clamping plate 5, one side of the detachable clamping block 6 is fixedly connected with a mounting block 19, the mounting block 19 is clamped in the cavity 18, one side of the mounting block 19 is provided with a fixing hole 20, the fixing assembly 7 comprises a pull block 701, a connecting column 702, a fixing block 703 and a spring 704, the pull block 701 is arranged on one side of the clamping plate 5, the fixing block 703 is clamped in the fixing hole 20, a through groove is formed between the cavity 18 and the outer side wall of the clamping plate 5, the connecting column 702 is arranged between the pull block 701 and the fixing block 703 and clamped in the through groove, the spring 704 is sleeved on the connecting column 702, when the detachable clamping block 6 is mounted, the pull block 701 is pulled outwards, the mounting block 19 is clamped in the cavity 18, then the pull block 701 is released, at the moment, the connecting column 702 moves into the cavity 18, and at the moment, the spring 704 is driven to reset, and at the moment, the fixing block 703 is clamped in the fixing hole 20.

When the utility model is used, a workpiece is placed between the clamping plates 5, the motor II 15 is started, at the moment, the motor II 15 drives the screw rod 12 to rotate, thereby driving the threaded sleeve 13 to move, the movable plate 3 moves towards the direction of the fixed plate 2, the clamping plates 5 clamp the workpiece, when the workpiece is turned over, the angle is determined through an external angle measuring device, the limiting block 803 is slid, when the limiting block 803 slides to a proper angle, the fixing of the limiting block 803 is realized by screwing the positioning screw 21, then the motor I10 is started, at the moment, the motor I10 drives the clamping plates 5 to further drive the workpiece to turn over, when the turning over angle reaches a set angle, at the moment, the limiting block 803 can prevent the clamping plates 5 from turning over, the motor I10 can stop working, and when the appearance of the workpiece is circular, the detachable clamping block 6 can be installed through the fixing component 7, at the moment, the pulling block 701 is pulled outwards, the installation block 19 is clamped in the cavity 18, then the pulling block 701 is released, at the moment, the connecting column 702 can move towards the cavity 18, at the moment, the spring 704 is driven to reset, and the fixing block 703 can be clamped in the fixing hole 20, and the installation and the detachment of the detachable clamping block 6 can be realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Clamp convenient to overturn, and is characterized in that: including base (1), fixed plate (2) and movable plate (3), fixed plate (2) fixed mounting is in one side of base (1), movable plate (3) set up the opposite side of base (1), fixed plate (2) with one side of movable plate (3) all is connected with pivot (4), fixed plate (2) with splint (5) are all installed in the inboard rotation of movable plate (3), one side of splint (5) is provided with detachable grip block (6), the inside of splint (5) is provided with fixed subassembly (7), the inside angle location subassembly (8) that is provided with of movable plate (3), one side fixed mounting of movable plate (3) has place board one (9), place and install motor one (10) on board one (9), install pivot (4) on the output shaft of motor one (10).

2. A turnover facilitating clamp as defined in claim 1, wherein: an empty groove (11) is formed in the base (1), a screw rod (12) is rotatably installed in the empty groove (11), a thread bush (13) is fixedly installed at the bottom of the moving plate (3), and the thread bush (13) is installed on the screw rod (12) in a meshed mode.

3. A turnover facilitating clamp as defined in claim 2, wherein: one side of the base (1) is fixedly provided with a second placing plate (14), the second placing plate (14) is provided with a second motor (15), and the screw rod (12) is arranged on an output shaft of the second motor (15).

4. A turnover facilitating clamp as defined in claim 1, wherein: the novel angle positioning device is characterized in that a first arc groove (16) is formed in the moving plate (3), a second arc groove (17) is formed in one side of the inner wall of the first arc groove (16), and the angle positioning assembly (8) comprises a clamping block (801), a connecting block (802) and a limiting block (803).

5. The turnover facilitating clamp of claim 4, wherein: the connecting block (802) is clamped in the first circular arc groove (16), the clamping block (801) is fixedly installed on one side of the connecting block (802) and clamped in the second circular arc groove (17), the limiting block (803) is fixedly installed at the top of the connecting block (802), a thread groove is formed in the limiting block (803), and the positioning screw (21) is installed in the thread groove in a meshed mode.

6. A turnover facilitating clamp as defined in claim 1, wherein: the inside of splint (5) has seted up cavity (18), one side fixedly connected with installation piece (19) of removable grip block (6), installation piece (19) joint is in cavity (18), fixed orifices (20) have been seted up to one side of installation piece (19).

7. The turnover facilitating clamp of claim 6, wherein: the fixing assembly (7) comprises a pulling block (701), a connecting column (702), a fixing block (703) and a spring (704), wherein the pulling block (701) is arranged on one side of the clamping plate (5), and the fixing block (703) is clamped in the fixing hole (20).

8. The turnover facilitating clamp of claim 7, wherein: a through groove is formed between the cavity (18) and the outer side wall of the clamping plate (5), the connecting column (702) is arranged between the pull block (701) and the fixed block (703) and is clamped in the through groove, and the spring (704) is sleeved on the connecting column (702).