Pneumatic clamp of machining center

Abstract

The utility model relates to the technical field of pneumatic clamps, and discloses a machining center pneumatic clamp which comprises a bottom plate, a vertical plate is installed on the upper surface of the bottom plate, three sets of containing grooves are formed in the outer surface of the vertical plate, the number of each set of containing grooves is fixed to be two, and three sets of air cylinders are installed on one side of the vertical plate. The output ends of the three sets of air cylinders extend to the other side of the vertical plate, and clamping mechanisms are installed at the output ends of the three sets of air cylinders correspondingly. Through the arrangement of the clamping mechanism, the effect of replacing and maintaining local parts is achieved, the use cost is reduced, and the situation that the whole clamping mechanism needs to be replaced due to the fact that the clamping groove is abraded is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic fixture technical field, concretely is a kind of machining center pneumatic fixture. BACKGROUND

[0002] Pneumatic fixture is a kind of power source using air pressure, for clamping and positioning workpiece, it has been widely applied in modern manufacturing fields such as automatic production line, robot, numerical control machine tool.

[0003] The clamping plate of traditional pneumatic fixture is usually integral, when the clamping part appears abrasion, the whole clamping plate structure needs to be replaced, to further lead to increased use cost.

[0004] Therefore, the machining center pneumatic fixture is provided for the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of machining center pneumatic fixture to at least solve the problems presented in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a kind of machining center pneumatic fixture, including bottom plate, the upper surface of the bottom plate is installed with vertical plate, the outer surface of the vertical plate is equipped with three groups of placing grooves, the number of each group of placing grooves is fixed as two groups, one side of the vertical plate is installed with three groups of air cylinders, the output end of three groups of air cylinders extends to the other side of vertical plate, the output end of three groups of air cylinders is all installed with clamping mechanism, the clamping mechanism includes mounting plate, installation slot and locating block, one side of the mounting plate is equipped with two groups of installation slots, the inner wall of two groups of installation slots is all symmetrically installed with locating block.

[0008] Further, the clamping mechanism further includes first cross slot, the two sides of the mounting plate are all equipped with first cross slot, the first cross slot is all penetrated a group of locating block and extends to the inside of installation slot.

[0009] Further, the clamping mechanism further includes clamping plate, positioning slot and clamping slot, the inside of two groups of installation slots is all installed with clamping plate, the two sides of two groups of clamping plate are all equipped with positioning slot, the positioning slot and locating block are connected, the outer surface of the clamping plate is equipped with clamping slot.

[0010] Further, the clamping mechanism further includes second cross slot, wherein the inside of two groups of positioning slots is all equipped with second cross slot, two groups of second cross slot and first cross slot are communicated.

[0011] Furthermore, the clamping mechanism also includes a cross-shaped insert and a screw. The cross-shaped insert is inserted into the interior of the second cross-shaped slot and the first cross-shaped slot, and a screw is fixedly installed at one end of the cross-shaped insert.

[0012] Furthermore, a nut is threaded onto the outer surface of the screw, and the nut abuts against the outer surface of the mounting plate.

[0013] This utility model has the following beneficial effects:

[0014] This invention allows for easy removal of the nut from the screw rod using a wrench, thus securing the nut to the cross-shaped insert. Pulling the screw rod then limits the movement of the cross-shaped insert from the first and second cross-shaped slots, establishing a connection between the mounting plate and the clamping plate. Pulling the clamping plate upwards removes it from the mounting slot. To install a new clamping plate, aligning the two sets of positioning slots on the clamping plate with the positioning blocks allows for insertion into the mounting slot. When fully inserted, the first and second cross-shaped slots are connected. Inserting the cross-shaped insert into these slots completes the initial fixation. Finally, threading the nut onto the outer surface of the screw rod completes the installation and fixation of the clamping plate and mounting plate. This simple and convenient replacement allows for the replacement and maintenance of only partial parts, reducing operating costs and preventing the need to replace the entire clamping mechanism due to wear of the clamping slots.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of one side of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the other side of the overall structure of this utility model;

[0019] Figure 3 This is an exploded view of the clamping mechanism structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the diagram;

[0021] Figure 5 The utility model discloses Figure 3 The structure amplification schematic view of B in the utility model

[0022] In the drawing, the component list that each sign represents is as follows:

[0023] In the drawing: 1, bottom plate, 2, vertical plate, 201, placing groove, 3, air cylinder, 4, clamping mechanism, 401, mounting plate, 402, mounting groove, 403, positioning block, 404, first cross slot, 405, clamping plate, 406, positioning groove, 407, clamping groove, 408, second cross slot, 409, cross insertion block, 410, screw rod, 411, nut. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0025] Please refer to Figure 1 - Figure 5 The utility model discloses a machining center pneumatic clamp, including bottom plate 1, the upper surface of bottom plate 1 is installed with vertical plate 2, is seted up three groups of placing grooves 201 on the outer surface of vertical plate 2, the number of every group of placing grooves 201 is fixed as two groups, one side of vertical plate 2 is installed with three groups of air cylinders 3, the output of three groups of air cylinders 3 extends to the other side of vertical plate 2, the output of three groups of air cylinders 3 is installed with clamping mechanism 4, and clamping mechanism 4 includes mounting plate 401, mounting groove 402 and positioning block 403, one side of mounting plate 401 is seted up with two groups of mounting grooves 402, and the inner wall of two groups of mounting grooves 402 is symmetrically installed with positioning block 403;

[0026] Clamping mechanism 4 still includes first cross slot 404, and both sides of mounting plate 401 are seted up with first cross slot 404, and first cross slot 404 all penetrates a group of positioning block 403 and extends to the inside of mounting groove 402;

[0027] Clamping mechanism 4 still includes clamping plate 405, positioning groove 406 and clamping groove 407, and the inside of two groups of mounting grooves 402 is installed with clamping plate 405, and both sides of two groups of clamping plate 405 are seted up with positioning groove 406, and positioning groove 406 and positioning block 403 are connected, and the outer surface of clamping plate 405 is seted up with clamping groove 407;

[0028] The clamping mechanism 4 further comprises a second cross-shaped clamping groove 408, wherein the inner part of each of the two groups of positioning grooves 406 is provided with the second cross-shaped clamping groove 408, and the two groups of second cross-shaped clamping grooves 408 are in communication with the first cross-shaped clamping groove 404;

[0029] The clamping mechanism 4 further comprises a cross-shaped plug 409 and a screw rod 410, wherein the cross-shaped plug 409 is inserted into the inner part of the second cross-shaped clamping groove 408 and the first cross-shaped clamping groove 404, and one end of the cross-shaped plug 409 is fixedly provided with the screw rod 410;

[0030] The outer surface of the screw rod 410 is threadedly connected with a nut 411, and the nut 411 abuts against the outer surface of the mounting plate 401.

[0031] In use, when the workpiece needs to be clamped, the workpiece is first placed in the placing groove 201, and then the air cylinder 3 is started. Since the air cylinder 3 is installed on one side of the vertical plate 2 and the output end thereof extends to the other side of the vertical plate 2, under the action of air pressure, the output end of the air cylinder 3 is retracted inward, so that a plurality of clamping grooves 407 are attached to the workpiece, thereby completing the clamping and fixing of the workpiece.

[0032] When the clamping groove 407 is worn and damaged, the nut 411 is detached from the screw rod 410 by using a wrench, so that the fixing of the cross-shaped plug 409 by the nut 411 is released, and then the screw rod 410 is pulled in the limiting direction, so that the cross-shaped plug 409 is moved out of the inner part of the first cross-shaped clamping groove 404 and the second cross-shaped clamping groove 408, thereby releasing the fixed relationship between the mounting plate 401 and the clamping plate 405, and then the clamping plate 405 is pulled upward to be detached from the inner part of the mounting groove 402. When a new clamping plate 405 needs to be installed, the two groups of positioning grooves 406 on the clamping plate 405 are aligned with the positioning blocks 403, so that the clamping plate 405 is inserted into the inner part of the mounting groove 402. When the insertion reaches the limit, the first cross-shaped clamping groove 404 and the second cross-shaped clamping groove 408 are in communication, and then the cross-shaped plug 409 is inserted into the inner part of the first cross-shaped clamping groove 404 and the second cross-shaped clamping groove 408, thereby completing the preliminary fixing. Then, the nut 411 is threadedly connected to the outer surface of the screw rod 410, thereby completing the fixed installation between the clamping plate 405 and the mounting plate 401. The replacement is simple and convenient, thereby achieving the effect of local part replacement and maintenance, and avoiding the situation that the entire clamping mechanism 4 needs to be replaced due to the wear of the clamping groove 407.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A pneumatic clamping fixture for a machining center, comprising a base plate (1), wherein a vertical plate (2) is mounted on the upper surface of the base plate (1), and the outer surface of the vertical plate (2) is provided with three sets of placement slots (201), each set of placement slots (201) having a fixed number of two sets, and three sets of cylinders (3) are mounted on one side of the vertical plate (2), the output ends of the three sets of cylinders (3) extending to the other side of the vertical plate (2), characterized in that: The output end of the three groups of cylinders (3) is provided with a clamping mechanism (4); The clamping mechanism (4) comprises a mounting plate (401), a mounting groove (402) and a positioning block (403), one side of the mounting plate (401) is provided with two groups of mounting grooves (402), and the inner walls of the two groups of mounting grooves (402) are symmetrically provided with positioning blocks (403).

2. A machining center pneumatic clamp according to claim 1, characterized in that: The clamping mechanism (4) further comprises a first cross-shaped clamping groove (404), and the two sides of the mounting plate (401) are provided with first cross-shaped clamping grooves (404), the first cross-shaped clamping grooves (404) penetrate a group of positioning blocks (403) and extend to the inside of the mounting grooves (402).

3. The machining center pneumatic clamp of claim 1, wherein: The clamping mechanism (4) further comprises a clamping plate (405), a positioning groove (406) and a clamping groove (407), two groups of mounting grooves (402) are provided with clamping plates (405) inside, two groups of clamping plates (405) are provided with positioning grooves (406) on the two sides, the positioning grooves (406) and the positioning blocks (403) are connected, and the outer surfaces of the clamping plates (405) are provided with clamping grooves (407).

4. A machining center pneumatic clamp according to claim 3, characterized in that: The clamping mechanism (4) further comprises a second cross-shaped clamping groove (408), wherein two groups of positioning grooves (406) are provided with second cross-shaped clamping grooves (408) inside, and two groups of second cross-shaped clamping grooves (408) and first cross-shaped clamping grooves (404) are communicated.

5. A machining center pneumatic clamp according to any one of claims 1-4, characterized in that: The clamping mechanism (4) further comprises a cross-shaped plug block (409) and a screw (410), the cross-shaped plug block (409) is inserted into the second cross-shaped clamping groove (408) and the first cross-shaped clamping groove (404), and one end of the cross-shaped plug block (409) is fixedly provided with the screw (410).

6. A machining center pneumatic clamp according to claim 5, characterized in that: The outer surface of the screw (410) is threadedly connected with a nut (411), and the nut (411) and the outer surface of the mounting plate (401) abut.

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