Self-adaptive positioning quick clamping device

Abstract

The utility model relates to the technical field of clamps, and discloses a self-adaptive positioning quick clamping device which comprises a shell, a limiting groove is formed in the top of the shell, a moving hole is formed in the back face of the shell, the hole wall of the moving hole is in contact with and slidably connected with a limiting plate, and the front face of the limiting plate is fixedly connected with a moving plate. A pressing block is fixedly connected to the inner side of the movable plate, and a movable block is arranged at the top of the movable plate. According to the self-adaptive clamping plate dismounting device, through the arranged auxiliary dismounting assembly, when the self-adaptive clamping plate needs to be dismounted, only a shifting plate on the back face of the shell needs to be pressed, related resistance can be overcome through a series of mechanical transmission and elastic potential energy of a third spring, an insertion block is driven to eject the self-adaptive clamping plate upwards, and the whole operation process is simple, convenient and rapid; the two clamps can be disassembled at the same time, the time and labor cost needed by equipment overhaul and maintenance are greatly shortened, it is guaranteed that the equipment can recover a good operation state in time, and the influence of shutdown on the production schedule is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, especially a quick clamping device of self -adaptation positioning. BACKGROUND

[0002] In the field of machine tool processing, the clamp plays an important role, and its performance is directly related to the machining precision, efficiency and production cost. The traditional machine tool clamp is mostly rigid structure. Taking the common flat-nose pliers as an example, in use, the worker first places the workpiece to be processed between the jaws of the flat-nose pliers, roughly adjusts the opening degree of the jaws according to the size of the workpiece, and then clamps the workpiece by rotating the screw rod.

[0003] For complex-shaped workpieces, such as irregular profile special-shaped castings, the worker needs to replace different specifications and shapes of customized clamps, find out the suitable one from the numerous stored clamps, carry it to the machine tool workbench and install it accurately. This process often consumes a lot of time, and multiple installation and disassembly can easily cause the positioning accuracy of the clamp to decrease.

[0004] When the traditional clamp is disassembled, it mainly relies on manual loosening of the nut, bolt and other connecting components to realize the disassembly of the clamp. In the combined clamp, there may be multiple bolts, pins and other connecting components. The worker needs to disassemble these components one by one to remove the clamp from the machine tool. This disassembly method is not only cumbersome to operate, but also greatly increases the difficulty of disassembly when facing rusty and jammed connecting components. Therefore, a quick clamping device of self-adaptive positioning is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a quick clamping device of self-adaptive positioning, aiming at improving the problems of tedious disassembly, time-consuming, poor universality in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a quick clamping device of self-adaptive positioning, comprising an outer shell, a limiting groove is opened at the top of the outer shell, a moving hole is opened on the back surface of the outer shell, a limiting plate is in contact with and slidably connected to the hole wall of the moving hole, a moving plate is fixedly connected to the front surface of the limiting plate, a pressure block is fixedly connected to the inner side of the moving plate, a moving block is arranged at the top of the moving plate, an installation slot is opened at the top of the moving block, a plug hole is opened at the side of the installation slot, a plug block is in contact with and slidably connected to the slot wall of the installation slot, a plug slot is opened at one side of the plug block, a second spring is arranged in the slot wall of the plug slot, one end of the second spring is fixedly connected with the slot wall of the plug slot, the other end of the second spring is fixedly connected with a spring block, the outer wall of the spring block is in contact with and slidably connected to the slot wall of the plug slot, a self-adaptive clamp plate is fixedly connected to the side surface of the moving block, a clamping assembly is arranged in the inner part of the outer shell, and an auxiliary disassembly assembly is arranged on the inner wall of the moving block.

[0007] As the further description of the above technical scheme: the clamping assembly comprises a sliding hole, the sliding hole is arranged on the front surface of the shell, a motor is fixedly installed on the right side of the shell, a double-thread rod is fixedly connected to the output shaft of the motor, the other end of the double-thread rod is movably penetrated through the left side of the shell and rotationally connected to the hole wall of the sliding hole through a bearing, and the opposite threaded surfaces of the double-thread rod are respectively threadedly sleeved with sliding blocks, and the back surface of each sliding block is fixedly connected to the front surface of a moving plate.

[0008] As the further description of the above technical scheme: the auxiliary dismounting assembly comprises a third spring, the bottom end of the third spring is fixedly connected to the groove bottom of the mounting groove, the top end of the third spring is fixedly connected with a spring sheet, and the edge of the spring sheet is in contact with and slidably connected to the groove wall of the insertion groove.

[0009] As the further description of the above technical scheme: the back surface of the limiting plate is fixedly connected with a push plate.

[0010] As the further description of the above technical scheme: the top and bottom of the sliding block are in contact with and slidably connected to the hole wall of the sliding hole.

[0011] As the further description of the above technical scheme: the front surface and the back surface of the moving block are in contact with and slidably connected to the groove wall of the limiting groove.

[0012] As the further description of the above technical scheme: the adjacent sides of the limiting plate are fixedly connected with a first spring.

[0013] As the further description of the above technical scheme: the bottom of the moving block is provided with a sliding groove, and the top of the moving plate is in contact with and slidably connected to the bottom of the moving block through the sliding groove.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、 the utility model discloses, through setting up auxiliary dismounting assembly, when needing to dismount self -adaptation clamping plate, only need to press the push plate of shell back, can through a series of mechanical transmission, utilize the elastic potential energy of third spring to overcome relevant resistance, drive the plug block to eject self -adaptation clamping plate upward, and the whole operation process is simple and convenient, can simultaneously dismount two clamps, and the time and manpower cost required for equipment overhaul maintenance are greatly shortened, guarantee that equipment can timely restore good operating state, reduce the influence on production progress of shutdown.

[0016] 2. The utility model discloses a motor drives bidirectional screw rod rotation, cooperation slip hole is accurate to the accurate location of sliding block, can the rotation power of motor is high -efficient conversion stable linear clamping force, drives the quick, accurate mutual approach of moving block and self -adaptation splint, realizes reliable clamping to the both sides of work piece, cooperation self -adaptation splint can be according to the automatic adhesion of work piece different appearance, need not frequent replacement clamp for different shape work piece, greatly improved the versatility and accuracy of clamping, is suitable for diversified production and processing scene, effectively promotes work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of a self -adaptation positioning's quick clamping device that the utility model proposes;

[0018] Figure 2 It is a back view of a self -adaptation positioning's quick clamping device that the utility model proposes;

[0019] Figure 3 It is the front view of the shell of a self -adaptation positioning's quick clamping device that the utility model proposes;

[0020] Figure 4 It is the partial schematic drawing of the auxiliary dismounting subassembly, clamping subassembly of a self -adaptation positioning's quick clamping device that the utility model proposes.

[0021] Figure 5 It is the front view of the moving block, insert block of a self -adaptation positioning's quick clamping device that the utility model proposes;

[0022] Figure 6 It is the cross section schematic drawing of the insert block and moving block of a self -adaptation positioning's quick clamping device that the utility model proposes after separation.

[0023] Legend:

[0024] 1, shell;2, motor;3, slip hole;4, self -adaptation splint;5, limit groove;7, moving hole;8, push plate;9, limit plate;10, moving plate;11, moving block;12, insert block;13, no. 1 spring;14, pressure block;16, bidirectional screw rod;17, sliding block;19, sliding slot;20, insert groove;21, no. 2 spring;22, elastic block;23, installation slot;24, elastic sheet;25, no. 3 spring;26, insert hole. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] With reference to Figure 1 - Figure 3The utility model provides a kind of quick clamping device of adaptive positioning, including shell 1, shell 1 is as the external protection structure and basic support component of entire device, provides mounting position for internal component, ensure that each component stable operation, the top of shell 1 is equipped with limiting slot 5, limiting slot 5 is used to the movement of subsequent component play accurate guiding and limiting effect, guarantee relevant component can only move according to predetermined trajectory, to improve the accuracy and stability of entire clamping process, the back of shell 1 is equipped with moving hole 7, the hole wall contact of moving hole 7 and sliding connection limiting plate 9, moving hole 7 provides the space of sliding for limiting plate 9, so that limiting plate 9 can smoothly carry out linear movement, to drive other components connected therewith to operate in coordination, limiting plate 9 adjacent side is fixedly connected with one spring 13, one spring 13 plays the role of buffering and reset, when external force acts on limiting plate 9 and makes it displace, one spring 13 can store energy, after external force disappears, limiting plate 9 is pushed back to initial position, guarantee the coherence of device operation, the back of limiting plate 9 is fixedly connected with push plate 8, push plate 8 is as manual operation component, facilitate operator to exert force from the outside of device, the front of limiting plate 9 is fixedly connected with moving plate 10, the inboard of moving plate 10 is fixedly connected with pressure block 14, moving plate 10 is used to transmit the displacement of limiting plate 9, drive pressure block 14 to reach specified position accurately, to realize subsequent and other components's interaction action, the top of moving plate 10 is provided with moving block 11, the bottom of moving block 11 is equipped with sliding slot 19, the bottom of moving block 11 is contacted with the top of moving plate 10 through sliding slot 19 and sliding connection, sliding slot 19 makes moving block 11 can flexibly slide relative to moving plate 10, both connection can be guaranteed, and the relative displacement demand under different working conditions can be adapted, the front and back of moving block 11 are contacted with the groove wall of limiting slot 5 and sliding connection, limiting slot 5 is positioned moving block 11 again, ensure that moving block 11 does not deviate from predetermined path when moving in horizontal direction, improve the precision of clamping action, the top of moving block 11 is equipped with mounting slot 23, the side of mounting slot 23 is equipped with insertion hole 26, mounting slot 23 provides accommodating space for plug block 12, facilitate plug block 12 installation and disassembly, the groove wall in mounting slot 23 is contacted with sliding connection plug block 12, plug block 12 is used to connect adaptive clamping plate 4 with moving block 11, ensure that both become a stable whole, cooperatively complete clamping task, the side of plug block 12 is equipped with insertion slot 20, insertion slot 20 is provided with second spring 21 in the groove wall, one end of second spring 21 is fixedly connected with the groove wall of insertion slot 20, the other end of second spring 21 is fixedly connected with elastic block 22, the outer wall of elastic block 22 is contacted with sliding connection insertion slot 20 groove wall, second spring 21 provides elastic force for elastic block 22, makes it keep extended state under normal state, for jamming plug block 12, prevent it from accidentally falling off, guarantee the reliability of adaptive clamping plate 4 and moving block 11 connection, the side of moving block 11 is fixedly connected with adaptive clamping plate 4,The adaptive clamp plate 4 can automatically adjust the clamping angle and force according to the shape of the workpiece, realize the close fit of different shaped workpieces, ensure the clamping effect, the inside of the shell 1 is provided with a clamping assembly, the inner wall of the moving block 11 is provided with an auxiliary dismounting assembly.

[0027] Referring to Figure 2 , Figure 3 , Figure 4 , the clamping assembly comprises a sliding hole 3, the sliding hole 3 is opened in the front of the shell 1, the sliding hole 3 is opened in the front of the shell 1, the sliding hole 3 is used as the sliding track of the sliding block 17, not only limits the moving direction of the sliding block 17, but also reduces the friction resistance of the sliding block 17 in the moving process, ensures the stability of the movement, the right side of the shell 1 is fixedly installed with a motor 2, the motor 2 is used as a power source, provides stable and reliable driving force for the whole clamping action, the output shaft of the motor 2 is fixedly connected with a bidirectional screw rod 16, the bidirectional screw rod 16 can convert the rotary motion of the motor 2 into linear motion, and through the bidirectional screw design, the opposite or opposite motion of the two sliding blocks 17 is realized, the action demand of clamping and loosening is met, the other end of the bidirectional screw rod 16 is movably penetrated through the left side of the shell 1 and is rotatably connected with the hole wall of the sliding hole 3 through a bearing, the bearing plays the role of supporting the bidirectional screw rod 16 and reducing the rotating friction, ensures that the bidirectional screw rod 16 can rotate for a long time and smoothly, prolongs the service life of the device, the opposite screw threads on the surface of the bidirectional screw rod 16 are respectively threaded with the sliding blocks 17, the sliding blocks 17 are driven by the bidirectional screw rod 16 to move synchronously with the moving plate 10, the moving block 11 and other components connected therewith, realizing the clamping operation of the workpiece, the top and bottom of the sliding block 17 are in contact with and slidingly connected with the hole wall of the sliding hole 3, the back surface of the sliding block 17 is fixedly connected with the front surface of the moving plate 10, further strengthening the movement stability of the sliding block 17, avoiding shaking, deviation and other situations in the moving process, affecting the clamping precision.

[0028] Referring to Figure 4 , Figure 5 , Figure 6 , the auxiliary dismounting assembly comprises a No. 3 spring 25, the bottom end of the No. 3 spring 25 is fixedly connected with the groove bottom of the mounting groove 23, the top end of the No. 3 spring 25 is fixedly connected with a spring sheet 24, the edge of the spring sheet 24 is in contact with and slidingly connected with the groove wall of the insertion slot 20, the No. 3 spring 25 provides upward elastic force for the spring sheet 24, when the adaptive clamp plate 4 needs to be dismounted, after pressing the push plate 8, the spring sheet 24 is popped up upward under the elastic force of the No. 3 spring 25, so that the adaptive clamp plate 4 can be smoothly separated from the moving block 11, facilitating the operator to overhaul, replace and other operations on the adaptive clamp plate 4, improving the maintenance convenience of the device.

[0029] Working principle: the workpiece is placed on the top of the shell 1, then start the motor 2, the output shaft of the motor 2 drives the bidirectional threaded rod 16 to rotate, the slide hole 3 is opened to the slide block 17 Limiting effect, so that the slide block 17 in the slide hole 3 sliding more stable, using the bidirectional threaded rod 16 under the rotation of the slide block 17 drive each other close, close to each other 17 slide block drive moving block 11, plug block 12, self adaptive clamp plate 4 close to each other, using the self adaptive clamp plate 4 clamping both sides of the workpiece, self adaptive clamp plate 4 can adapt to the different appearance of the workpiece to fit clamping, need to disassemble self adaptive clamp plate 4, only need to press the back of the shell 1 push plate 8, make the push plate 8 drive the limit plate 9 in the inner wall of the moving hole 7 sliding, make the moving plate 10 follow the limit plate 9 close to each other, using the moving plate 10 inside the pressure block 14 extruding elastic block 22, so that the elastic block 22 into the slot 20, because the elastic potential energy of the three spring 25 is greater than the two spring 21, then the elastic block 22 in the slot 20 and less than the inner wall thickness of the moving block 11, through the longitudinal elastic potential energy of the three spring 25 drive plug block 12 in the inner wall of the installation slot 23 upward sliding, so as to self adaptive clamp plate 4 and plug block 12 upward ejection, convenient to two clamp disassembly at the same time, improve the maintenance efficiency.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A self-adapting, fast clamping device comprising a housing (1), characterized in that: The top of the shell (1) is provided with a limiting groove (5), the back of the shell (1) is provided with a moving hole (7), the hole wall of the moving hole (7) is connected with and slides with a limiting plate (9), the front of the limiting plate (9) is fixedly connected with a moving plate (10), the inner side of the moving plate (10) is fixedly connected with a pressing block (14), the top of the moving plate (10) is provided with a moving block (11), the top of the moving block (11) is provided with a mounting groove (23), the side of the mounting groove (23) is provided with a jack (26), the groove wall of the mounting groove (23) is connected with and slides with a plug block (12), one side of the plug block (12) is provided with a plug groove (20), the groove wall of the plug groove (20) is provided with a second spring (21), one end of the second spring (21) is fixedly connected with the groove wall of the plug groove (20), the other end of the second spring (21) is fixedly connected with a elastic block (22), the outer wall of the elastic block (22) is connected with and slides with the groove wall of the plug groove (20), the side of the moving block (11) is fixedly connected with a self-adapting clamping plate (4), the inside of the shell (1) is provided with a clamping assembly, and the inner wall of the moving block (11) is provided with an auxiliary dismounting assembly.

2. A self-positioning quick clamping device according to claim 1, characterized in that: The clamping assembly comprises a sliding hole (3), the sliding hole (3) is arranged on the front of the shell (1), the right side of the shell (1) is fixedly provided with a motor (2), the output shaft of the motor (2) is fixedly connected with a bidirectional threaded rod (16), the other end of the bidirectional threaded rod (16) is movably penetrated through the left side of the shell (1) and rotationally connected with the hole wall of the sliding hole (3) through a bearing, and the opposite threaded surfaces of the bidirectional threaded rod (16) are respectively threadedly provided with sliding blocks (17), and the back of the sliding block (17) is fixedly connected with the front of the moving plate (10).

3. A self-positioning quick clamping device according to claim 1, characterized in that: The auxiliary dismounting assembly comprises a third spring (25), the bottom end of the third spring (25) is fixedly connected with the groove bottom of the mounting groove (23), the top end of the third spring (25) is fixedly connected with an elastic sheet (24), and the edge of the elastic sheet (24) is connected with and slides with the groove wall of the plug groove (20).

4. A self-positioning quick clamping device according to claim 1, characterized in that: The back of the limiting plate (9) is fixedly connected with a dial plate (8).

5. A self-positioning quick clamping device according to claim 2, characterized in that: The top and bottom of the sliding block (17) are connected with and slide with the hole wall of the sliding hole (3).

6. A self-positioning quick clamping device according to claim 1, characterized in that: The front and back of the moving block (11) are connected with and slide with the groove wall of the limiting groove (5).

7. A self-positioning quick clamping device according to claim 1, characterized in that: The adjacent sides of the limiting plate (9) are fixedly connected with first springs (13).

8. A self-positioning quick clamping device according to claim 1, characterized in that: The bottom of the moving block (11) is provided with a sliding groove (19), and the bottom of the moving block (11) is connected with and slides with the top of the moving plate (10) through the sliding groove (19).

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