CN215699751U

CN215699751U - Easy-to-dismount clamp

Info

Publication number: CN215699751U
Application number: CN202120968149.4U
Authority: CN
Inventors: 邹金贵; 郭小兵
Original assignee: JIANGMEN GEWEI PRECISION MACHINERY CO Ltd
Current assignee: JIANGMEN GEWEI PRECISION MACHINERY CO Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-02-01
Anticipated expiration: 2031-05-07

Abstract

The utility model provides an easily-detachable clamp which comprises a pressing block, a fixing device, a push-pull device and a loading and unloading device. The pressing block is used for pressing a workpiece; the fixing device is used for accommodating the workpiece; the push-pull device is detachably connected with the pressing block, and the pressing block presses the workpiece on the fixing device under the driving of the push-pull device; the loading and unloading device is provided with a notch, and the notch is used for grabbing the pressing block. The easy-to-dismount clamp disclosed by the utility model can improve the mounting and dismounting speed of the workpiece, and is beneficial to improving the production efficiency.

Description

Easy-to-dismount clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to an easily-disassembled clamp.

Background

The clamp is an important auxiliary tool in an automatic production process, and in a machining process, a workpiece to be machined is clamped by the clamp and is fixed on a machine tool of machining equipment, so that the machining equipment can perform operations such as punching, grinding, cutting or drilling on the workpiece. The precision requirement of modern products on parts is higher and higher, the parts are developed towards miniaturization and microminiaturization, when the parts are processed, a great deal of time is needed to be spent on installing workpieces on a clamp and taking the workpieces away from the clamp, and the production efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the clamp easy to assemble and disassemble, which can improve the speed of assembling and disassembling the workpiece and is beneficial to improving the production efficiency.

According to the easy dismouting anchor clamps of embodiment of this invention, include:

the pressing block is used for pressing the workpiece;

a fixture for receiving the workpiece;

the push-pull device is detachably connected with the pressing block, and the pressing block presses the workpiece on the fixing device under the driving of the push-pull device;

the loading and unloading device is provided with a plurality of gaps, and the gaps are used for grabbing the pressing blocks.

The easy-to-assemble and disassemble clamp provided by the embodiment of the utility model at least has the following beneficial effects:

the easy-to-assemble and disassemble clamp comprises a pressing block, a fixing device, a push-pull device and a loading and unloading device. The pressing block is used for pressing the workpiece on the fixing device, the fixing device is used for accommodating the workpiece, and the fixing device and the pressing block clamp the workpiece together so that the workpiece can be processed by the processing equipment conveniently. The push-pull device and the pressing block can be detachably connected, when the pressing block is arranged on the workpiece and connected with the push-pull device, the push-pull device can drive the pressing block to approach to the direction of the fixing device, and the pressing block presses the workpiece on the fixing device under the action of the push-pull device. The assembling and disassembling device is provided with a notch used for grabbing the pressing block, and when the acting force of the push-pull device on the pressing block is relieved, the pressing block can be quickly taken away from the workpiece through the assembling and disassembling device; before the workpiece is processed, the workpiece is placed on the fixing device, and then the pressing block is quickly placed on the workpiece through the loading and unloading device and connected with the push-pull device. The assembling and disassembling device can quickly fix the workpiece on the fixing device or quickly take out the workpiece from the fixing device, so that the easily-assembled and disassembled clamp can improve the assembling and disassembling speed of the workpiece and is beneficial to improving the production efficiency.

According to some embodiments of the utility model, the fixing device comprises a fixing plate and a fixing table, the fixing table is detachably connected with the fixing plate, the fixing table is provided with a containing groove, the containing groove is used for containing the workpiece, the assembling and disassembling device is provided with a boss, and the notch is arranged on the boss.

According to some embodiments of the utility model, the loader is provided with a first flange arranged along a circumferential direction of an inner wall of the gap, the press block is provided with a second flange arranged along a circumferential direction of a side wall of the press block.

According to some embodiments of the utility model, an adsorption unit is provided on the handler for adsorbing the briquettes.

According to some embodiments of the utility model, the adsorption units are magnets, the pressing block is made of a magnetic material, the number of the notches is at least two, the adsorption units are arranged on the handling device on one side of the notch, and the number and the positions of the adsorption units and the accommodating grooves correspond to the notches one to one.

According to some embodiments of the utility model, the push-pull device comprises a push-pull unit and a pull rod, the push-pull unit is in transmission connection with the pull rod, and one end of the pull rod, which is far away from the push-pull unit, is used for pressing the pressing block on the fixing device.

According to some embodiments of the utility model, the pressing block is provided with a groove for accommodating the pull rod, the fixing device is provided with a through hole, the pull rod penetrates through the through hole, and the pressing block surrounds the middle part of the pull rod through the groove.

According to some embodiments of the utility model, a tangent plane is provided in the middle of the pull rod, the end of the pull rod protrudes from the tangent plane, and the diameter of the end of the pull rod is larger than the groove width of the groove.

According to some embodiments of the utility model, the push-pull unit comprises a cylinder and a piston rod, the cylinder is in driving connection with the piston rod, and the piston rod is in driving connection with the pull rod.

According to some embodiments of the utility model, the push-pull device further comprises a connecting block and a base, the base is connected with the fixing device, the cylinder is connected with the base, the piston rod is connected with the connecting block, and the connecting block is connected with at least one pull rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a general view of an easily detachable clamp according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an exploded view of an easily disassembled clamp according to another embodiment of the present invention;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

FIG. 5 is a partial enlarged view of portion C of FIG. 3;

fig. 6 is a partially enlarged view of a portion D in fig. 3.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The following describes an easy-to-mount clamp according to an embodiment of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides an easily detachable jig including a pressing block 100, a fixing device 200, a push-pull device 300, and a handler 400. The cylindrical pressing block 100 is used for pressing a workpiece on the plate-shaped fixing device 200, the fixing device 200 is used for accommodating the workpiece, the workpiece can be clamped between the fixing device 200 and the pressing block 100 when the fixing device 200 and the pressing block 100 move towards each other, and the fixing device 200 can be fixed on a machine tool of a processing device so as to facilitate the processing device to process the workpiece. The push-pull device 300 is detachably connected with the pressing block 100, when the pressing block 100 is placed on a workpiece and connected with the push-pull device 300, the push-pull device 300 can drive the pressing block 100 to be close to the direction of the fixing device 200, and the pressing block 100 presses the workpiece on the fixing device 200 under the action of the push-pull device 300. The strip-shaped handler 400 is provided with a notch 410 for grabbing the briquette 100, the notch 410 is cylindrical and is matched with the briquette 100 in shape, and the handler 400 can contain the briquette 100 along the circumferential direction of the briquette 100 through the notch 410. When the action of the push-pull device 300 on the pressing block 100 is released, the pressing block 100 can be quickly taken away from the workpiece or the pressing block 100 can be placed on the workpiece through the handling device 400, and the pressing block 100 is connected with the push-pull device 300. In practical use, a workpiece to be machined can be placed on the fixing device 200, then the pressing block 100 is placed on the workpiece through the loading and unloading device 400, the pressing block 100 is connected with the push-pull device 300, then the push-pull device 300 is started to enable the pressing block 100 to move towards the fixing device 200, the pressing block 100 presses the workpiece on the fixing device 200, and finally the loading and unloading device 400 is taken away to facilitate machining equipment to machine the workpiece; after the machining is completed, the force of the push-pull device 300 on the pressing block 100 disappears, and the pressing block 100 can be quickly removed from the workpiece by the handling device 400, so that the workpiece can be quickly removed from the fixing device 200. Therefore, the easy-to-assemble and disassemble clamp can improve the assembling and disassembling speed of the workpiece, and is beneficial to improving the production efficiency.

Further, the fixing device 200 includes a fixing plate 210 and a fixing stage 220, the fixing stage 220 protrudes out of the surface of the fixing plate 210 and is detachably connected to the fixing plate 210, specifically, a first mounting hole is provided on the fixing stage 220, a second mounting hole is provided on the fixing plate 210, and the fixing stage 220 is connected through the first mounting hole, the second mounting hole and a connecting column 240 penetrating through the first mounting hole and the second mounting hole. The holding groove 221 is formed in the face, far away from the fixing plate 210, of the fixing table 220, the holding groove 221 is used for holding a workpiece, the workpiece is placed in the holding groove 221, the fixing capacity of the embodiment to the workpiece can be further enhanced, the workpiece is prevented from shifting when machining equipment is used for machining the workpiece, and the yield of workpiece production is effectively improved. The fixing plate 210 and the fixing table 220 can be detachably connected, so that the fixing table 220 can be replaced by the fixture easy to disassemble and assemble in the embodiment, the shape of the accommodating groove 221 of different fixing tables 220 can be set according to the shape of a workpiece, when workpieces in different shapes need to be machined, only the fixing table 220 needs to be replaced, the embodiment can be suitable for workpieces in different shapes, the manufacturing quantity of the fixture is reduced, and the production cost of the workpieces is reduced. Corresponding to the fixing table 220, a boss 420 matched with the fixing table 220 in shape is arranged on one side of the assembling and disassembling device 400, the notch 410 is arranged on the boss 420, when the assembling and disassembling device 400 is attached to the fixing table 220, the notch 410 can be arranged above the accommodating groove 221 through the boss 420, and therefore, the pressing block 100 can be quickly placed on a workpiece or the pressing block 100 can be quickly taken away from the workpiece.

Further, the handler 400 is provided with a first flange 430, the first flange 430 is provided along the circumferential direction of the inner wall of the notch 410, and a second flange 110 is provided on the side wall of the press block 100 corresponding to the first flange 430, the second flange 110 is provided along the circumferential direction of the press block 100, and the press block 100 can be rested on the first flange 430 in the notch 410 through the second flange 110. The friction between the handler 400 and the compact 100 can be increased by the first flange 430 and the second flange 110 to facilitate movement of the compact 100 by the handler 400; after the workpiece is machined, the pressing block 100 stays on the surface of the workpiece, the boss 420 of the handler 400 is attached to the fixed table 220, the notch 410 can contain the pressing block 100, the inner wall of the notch 410 is connected with the outer wall of the pressing block 100, the first flange 430 is inserted into the gap between the second flange 110 and the workpiece, when the acting force of the push-pull device 300 on the pressing block 100 is relieved, the handler 400 can lift the pressing block 100 through the first flange 430 and drive the pressing block 100 to move, so that the pressing block 100 leaves the workpiece and the push-pull device 300 to replace the next workpiece to be machined. Therefore, the easy-to-assemble and disassemble clamp is simple in structure, easy to manufacture and capable of reducing production cost of products.

Referring to fig. 1 and 2, another embodiment of the present invention provides an easily detachable jig, in addition to the above embodiments, the handler 400 is further provided with an adsorption unit 440 for attracting the briquette 100, the adsorption unit 440 can generate an attraction force on the briquette 100, so that the briquette 100 can be attached to the handler 400, the action force of the handler 400 on the briquette 100 is further enhanced, the briquette 100 is prevented from being detached from the handler 400 during the movement of the handler 400 driving the briquette 100, and the production speed is reduced. It should be noted that the pressing block 100 can be stably connected to the handler 400 under the action of the first flange 430, the second flange 110 and the suction unit 440, before the workpiece is processed, the workpiece is fixed in the accommodating groove 221 of the fixing table 220, then the pressing block 100 is moved to the surface of the workpiece by the handler 400, then the pressing block 100 is moved toward the fixing device 200 by the push-pull device 300, and the workpiece is clamped between the pressing block 100 and the fixing device 200, at this time, the acting force of the push-pull device 300 on the pressing block 100 is greater than the acting force of the handler 400 on the pressing block 100, so that the pressing block 100 is separated from the handler 400, and the handler 400 is prevented from affecting the processing equipment to process the workpiece.

Specifically, the adsorption unit 440 is a magnet, the compact 100 is made of a magnetic material, and the adsorption unit 440 attracts the compact 100 by a magnetic field force to enhance the acting force of the handler 400 on the compact 100. In this embodiment, the number of the notches 410 is six, the notches 410 are uniformly distributed along the length direction of the boss 420, the handling device 400 on one side of the notch 410 is provided with fixing grooves 450 corresponding to the notches 410 one by one, the fixing grooves 450 are communicated with the notches 410, the number of the adsorption units 440 is six and are respectively fixed in the fixing grooves 450, each adsorption unit 440 respectively corresponds to each notch 410, one side of each notch 410 is provided with the adsorption unit 440 corresponding to the notch 410 to improve the adsorption capacity of the notch 410 on the briquette 100, so that the handling device 400 of this embodiment can simultaneously and stably disassemble or assemble a plurality of briquettes 100, and the working efficiency and the production speed are improved. Corresponding to the positions and the number of the notches 410, the number of the accommodating grooves 221 is six, the accommodating grooves are evenly distributed along the length direction of the fixing table 220, the positions of the accommodating grooves 221 correspond to the positions of the notches 410 one by one, so that the loading and unloading device 400 can conveniently arrange a plurality of pressing blocks 100 on workpieces in the accommodating grooves 221 at the same time or take the pressing blocks 100 on the workpieces away at the same time, and the working efficiency and the production speed are improved.

It should be noted that, in the present embodiment, the adsorption unit 440 is a magnet, and the briquette 100 is made of a magnetic material, but the present embodiment does not limit the implementation forms of the adsorption unit 440 and the briquette 100, and the adsorption unit 440 that generates an adsorption action on the briquette 100 may also be other devices, devices or modules having an adsorption capacity. For example, the adsorption unit 440 may be a first hook and loop fastener, the pressing block 100 may be provided with a second hook and loop fastener, and the pressing block 100 is attached to the adsorption unit 440 through the first hook and loop fastener and the second hook and loop fastener; the adsorption unit 440 can also be a suction nozzle, an air inlet of the suction nozzle is communicated with the notch 410, an air outlet of the suction nozzle is connected with the air pump, and the adsorption unit 440 adsorbs the pressing block 100 through the suction nozzle; the adsorption unit 440 may be a device capable of generating a magnetic field when energized, such as an energized solenoid or an electromagnet, which attracts the compact 100, which is made of a magnetic material, by means of a magnetic force. Those skilled in the art will be able to make various changes within the knowledge of those skilled in the art without departing from the spirit of the utility model.

Referring to fig. 3, 4, 5 and 6, another embodiment of the present invention provides an easily detachable fixture, based on the above embodiment, the push-pull device 300 includes a push-pull unit and a pull rod 320, the push-pull unit is in transmission connection with the pull rod 320, the push-pull unit can move the pull rod 320 along the height direction of the fixing device 200, the pressing block 100 is detachably connected with the pull rod 320, and the pressing block 100 can be pressed against a workpiece disposed in the accommodating groove 221 under the action of the pull rod, so as to automatically clamp the workpiece, reduce the labor intensity of a worker, and improve the work efficiency and the production speed.

Further, a groove 120 for accommodating the pull rod 320 is formed in the pressing block 100, when the pressing block 100 is connected to the push-pull device 300, the pressing block 100 surrounds the middle of the pull rod 320 through the groove 120, the pressing block 100 can be easily connected to or separated from the pull rod 320 by forming the groove 120 in the pressing block 100, and when the pulling force of the pull rod 320 on the pressing block 100 is released, the pressing block 100 can be easily removed from the pull rod 320 or the pressing block 100 can be easily connected to the pull rod 320 through the assembling and disassembling device 400. The fixing device 200 is provided with a through hole 230, the through hole 230 penetrates through the fixing plate 210 and the fixing table 220, the pull rod 320 penetrates through the through hole 230, and the pull rod 320 can move back and forth along the axial direction of the through hole 230 under the action of the push-pull unit. Therefore, when the pressing block 100 is arranged on a workpiece, the pull rod 320 penetrates through the pressing block 100, the fixing plate 210 and the fixing table 220, one end, far away from the push-pull unit, of the pull rod 320 is connected with one surface, far away from the fixing table 220, of the pressing block 100, so that the end portion of the pull rod 320 can be in full contact with the center of the surface of the pressing block 100, the pressing block 100 is prevented from sliding away from the workpiece when being extruded, and poor operation caused by loosening of the workpiece is avoided. The briquetting 100 moves towards the direction of fixed station 220 under the pulling of pull rod 320 and makes the work piece compressed tightly in holding tank 221, and the pull rod 320 wears to locate the inside of fixing device 200 and briquetting 100, and push-and-pull device 300 drives briquetting 100 through the mode of pulling and compresses tightly the work piece, makes the easy dismouting anchor clamps of this embodiment simple structure, small, easily installs on the lathe of processing equipment.

Furthermore, two tangent planes 321 which are parallel to each other are arranged in the middle of the pull rod 320, the tangent plane 321 enables the side surface of the end of the pull rod 320 to protrude out of the middle of the pull rod 320, the diameter of the end of the pull rod 320 is larger than the groove width of the groove 120, when the groove 120 of the pressing block 100 moves towards the pull rod 320 along the direction parallel to the tangent plane 321 and the tangent plane 321 of the pull rod 320 is connected with the side wall of the groove 120, the groove 120 surrounds the middle of the pull rod 320, the end of the pull rod 320 is clamped on the surface of the pressing block 100 which is far away from the fixing table 220 by the pressing block 100, when the pull rod 320 moves towards the surface of the pressing block 100 which is close to the fixing table 220, the end of the pull rod 320 enables the pressing block 100 to move towards the fixing table 220, and the pressing block 100 presses the workpiece into the accommodating groove 221. The pull rod 320 of the embodiment has a simple structure, and the end of the pull rod 320 can be in full contact with the central position of the surface of the pressing block 100, so that the pressing block 100 is not easy to separate from the pull rod 320, and a processing device can process a workpiece conveniently.

Further, the push-pull unit comprises an air cylinder 311 and a piston rod 312, the air cylinder 311 is in transmission connection with the piston rod 312, the piston rod 312 is in transmission connection with the pull rod 320, the air cylinder 311 is connected with the air outlet pump through an electromagnetic valve, the processing equipment is electrically connected with the electromagnetic valve, the processing equipment controls air pressure change in the air cylinder 311 through the electromagnetic valve so as to drive the piston rod 312 to move back and forth along the axial direction of the piston rod 312, and the piston rod 312 drives the pull rod 320 to move back and forth along the axial direction of the pull rod 320, so that the pressing block 100 can press or loosen a workpiece. The machining equipment is linked with the easily-detachable clamp of the embodiment through the air cylinder 311 and the piston rod 312, automatic clamping, machining and automatic loosening of the workpiece are achieved, production speed is effectively improved, and production cost is reduced.

It should be noted that, in the present embodiment, the push-pull unit is a power device for reciprocating and linear motion, which is composed of the cylinder 311 and the piston rod 312, however, it is contemplated that, within the knowledge of those skilled in the art, the push-pull unit may also be other power devices capable of achieving the same function, for example, a power device such as a hydraulic push rod, an electric push rod, or an electro-hydraulic push rod, and the present embodiment is only exemplary and not limited thereto.

Further, the push-pull unit further includes a connection block 313 and a base 314, wherein the plate-shaped base 314 is connected to the fixing plate 210 of the fixing device 200 through a baffle 315 and a pillar 316, and a frame for placing the cylinder 311, the piston rod 312 and the connection block 313 is formed between the fixing plate 210 and the base 314. The cylinder 311 is connected with the base 314, and the base 314 enables the cylinder 311 and the whole fixture to be stably placed on a machine tool of the processing equipment. The baffle 315 and the pillar 316 play the role of protecting the cylinder 311 and supporting the fixing device 200, so that the easy-to-assemble and disassemble fixture of the embodiment has a stable structure and is not easy to collapse, and the yield of the processed workpieces is improved. The end of the piston rod 312, which is far away from the cylinder 311, is connected with the connecting block 313, the connecting block 313 is connected with at least one pull rod 320, and one cylinder 311 can simultaneously drive a plurality of pull rods 320 to move, so that a plurality of pressing blocks 100 are pressed on a plurality of workpieces, i.e. a plurality of workpieces can be simultaneously fixed through one cylinder, thereby saving the manufacturing cost of the fixture easy to assemble and disassemble, and improving the production speed. In this embodiment, the number of the cylinders 311 is three, each cylinder 311 is in transmission connection with one connecting block 313, each connecting block 313 is connected with one end of each of the two pull rods 320, the other end of each of the pull rods 320 penetrates through the through hole 230 and protrudes out of the bottom of the accommodating groove 221, and one cylinder 311 can simultaneously drive the two pull rods 320 to move, so that the two workpieces are fixed in the accommodating groove 221. It should be noted that the embodiment is only used for illustrating the technical solution of the present invention and does not limit the number of the cylinders 311, the tie rods 320, the receiving grooves 221, the pressing blocks 100 and the notches 410.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An easy dismouting anchor clamps which characterized in that includes:

the pressing block is used for pressing the workpiece;

a fixture for receiving the workpiece;

and the loading and unloading device is provided with a notch, and the notch is used for grabbing the pressing block.

2. The clamp of claim 1, wherein the fixing device comprises a fixing plate and a fixing platform, the fixing platform is detachably connected to the fixing plate, a receiving groove is formed in the fixing platform, the receiving groove is used for receiving the workpiece, a boss is formed in the assembling and disassembling device, and the notch is formed in the boss.

3. The clamp of claim 1, wherein the loading/unloading device is provided with a first flange, the first flange is disposed along a circumferential direction of an inner wall of the notch, the pressing block is provided with a second flange, and the second flange is disposed along a circumferential direction of a side wall of the pressing block.

4. The clamp as claimed in claim 2, wherein an adsorption unit is disposed on the handler for adsorbing the briquette.

5. The clamp as claimed in claim 4, wherein the suction units are magnets, the pressing block is made of magnetic material, the number of the notches is at least two, the suction units are disposed on the handler on one side of the notches, and the number and positions of the suction units and the accommodating grooves correspond to the notches one by one.

6. The clamp of claim 1, wherein the push-pull device comprises a push-pull unit and a pull rod, the push-pull unit is in transmission connection with the pull rod, and one end of the pull rod, which is far away from the push-pull unit, is used for pressing the pressing block on the fixing device.

7. The clamp as claimed in claim 6, wherein the pressing block has a groove for accommodating the pull rod, the fixing device has a through hole, the pull rod is inserted into the through hole, and the pressing block surrounds the middle of the pull rod through the groove.

8. The clamp as claimed in claim 7, wherein a tangent plane is formed at the middle portion of the pull rod, the end portion of the pull rod protrudes from the tangent plane, and the diameter of the end portion of the pull rod is larger than the width of the groove.

9. The easy-to-mount and dismount clamp according to claim 6, wherein the push-pull unit comprises a cylinder and a piston rod, the cylinder is in transmission connection with the piston rod, and the piston rod is in transmission connection with the pull rod.

10. The removable clamp of claim 9, wherein the push-pull device further comprises a connecting block and a base, the base is connected to the fixing device, the cylinder is connected to the base, the piston rod is connected to the connecting block, and the connecting block is connected to at least one pull rod.