Universal pneumatic clamp and machining center

Abstract

The utility model relates to the technical field of pneumatic clamps, in particular to a universal pneumatic clamp which comprises a clamp body used for loading and fixing workpiece blanks. The male head module is arranged on the clamp body; the female head module is arranged on the machining equipment, and the female head module and the male head module are in butt joint and matched; the positioning module is arranged between the female head module and the male head module and is used for performing butt joint positioning on the female head module and the male head module; and the locking module is arranged between the female head module and the male head module and is used for locking the female head module and the male head module. According to the method, the workpiece blank can be automatically aligned with the machining benchmark, time and energy do not need to be consumed for tool setting and positioning of the workpiece blank and a tool of machining equipment, and therefore the machining efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of pneumatic clamps, and in particular to a universal pneumatic clamp and a machining center. Background Art

[0002] When using a CNC machining center, it is usually necessary to use it with a fixture. The fixture can conveniently clamp and fix the workpiece blank, making it easier for the CNC machining center to process the workpiece blank.

[0003] Existing CNC machining centers are usually equipped with multiple sets of fixtures. The workpiece blanks are first loaded and fixed in batches on the fixtures, and then one set of fixtures is fixed to the workbench of the machining center by bolts. The workpiece blanks and the tool of the machining center are then aligned and positioned, and finally the workpiece blanks are processed to form the desired finished workpieces.

[0004] However, after the fixture is fixed on the workbench of the machining center, it is still necessary to spend time and energy to align the workpiece blank with the tool of the machining center, which leads to a decrease in machining efficiency. Utility Model Content

[0005] In order to eliminate the need to waste time and effort on aligning and positioning the workpiece blank and the tool of the processing equipment and improve processing efficiency, the present application provides a universal pneumatic clamp and a processing center.

[0006] On the one hand, the present application provides a universal pneumatic clamp, including a clamp body, which is used to load and fix a workpiece blank; a male module, which is arranged on the clamp body; a female module, which is arranged on a processing device, and the female module and the male module are relatively connected and adapted; a positioning module, which is arranged between the female module and the male module, and is used to dock and position the female module and the male module; and a locking module, which is arranged between the female module and the male module, and is used to lock the female module and the male module.

[0007] Optionally, the locking module includes a locking block and a driving component, the locking block is movably arranged on the female head module, the male head module is provided with a locking groove adapted to be snap-fitted with the locking block, and the driving component is connected to the female head module and used to drive the locking block to be embedded in the locking groove.

[0008] Optionally, the locking blocks are provided in multiple groups, and the multiple groups of locking blocks are evenly distributed along the center of the female head module.

[0009] Optionally, the female head module is provided with a movable hole, the locking block is slidably disposed in the movable hole, and a limiting portion is provided at one end of the movable hole to prevent the locking block from sliding out of the movable hole.

[0010] Optionally, the driving assembly includes a connecting air pipe and a control switch, the connecting air pipe is connected to an external air source and an end of the movable hole away from the limiting portion, and the control switch is arranged on the connecting air pipe.

[0011] Optionally, the positioning module includes a positioning block, the positioning block is fixedly arranged on the male module, and the female module is provided with a positioning groove that is snap-fitted with the positioning block.

[0012] Optionally, the positioning blocks are provided in multiple groups, and the multiple groups of positioning blocks are evenly distributed along the center of the male module.

[0013] Optionally, the positioning groove extends through the periphery of the female head module.

[0014] On the other hand, the present application provides a machining center, including a machining center body and a universal pneumatic clamp, wherein a female head module of the universal pneumatic clamp is arranged on a workbench of the machining center body.

[0015] In summary, this application at least includes the following beneficial technical effects:

[0016] During the docking process between the female module and the male module, the positioning module docks and positions the female module and the male module, so that the workpiece blank automatically finds the processing reference, and there is no need to spend time and energy on aligning and positioning the workpiece blank with the tool of the processing equipment, thereby improving the processing efficiency; after the female module and the male module are docked, the locking module locks the female module and the male module, so that the workpiece blank maintains a stable position during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of this application.

[0018] Figure 2 It is the first exploded structure schematic diagram of this application.

[0019] Figure 3 It is a second explosion structure schematic diagram of this application.

[0020] Figure 4 It is a cross-sectional view of the female module in this application.

[0021] Explanation of the accompanying drawings: 1. Clamp body; 2. Male module; 21. Mounting seat; 22. Mounting head; 3. Female module; 4. Positioning module; 41. Positioning block; 5. Locking module; 51. Locking block; 52. Driving assembly; 521. Connecting air pipe; 522. Control switch; 6. Mounting hole; 7. Movable hole; 71. Limiting part; 8. Locking groove; 9. Positioning groove; 10. Workpiece blank. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 This application is described in further detail.

[0023] The present application discloses a universal pneumatic clamp.

[0024] Reference Figure 1 The universal pneumatic clamp includes a clamp body 1, a male module 2, a female module 3, a positioning module 4 and a locking module 5; wherein the clamp body 1 is a workpiece clamp in the prior art, which matches the shape of the workpiece blank 10, and batch clamps the workpiece blank 10 by bolt locking, that is, it is used to load and fix the workpiece blank 10. The specific structure and principle of the clamp body 1 are not repeated here.

[0025] Reference Figure 2-4 , the male module 2 is fixedly arranged at the bottom of the fixture body 1, the female module 3 is fixedly arranged on the workbench of the processing equipment, and the female module 3 and the male module 2 are relatively connected and adapted; the positioning module 4 is arranged between the female module 3 and the male module 2, and is used to dock and position the female module 3 and the male module 2; the locking module 5 is arranged between the female module 3 and the male module 2, and is used to lock the female module 3 and the male module 2. In the process of docking the female module 3 and the male module 2, the positioning module 4 docks and positions the female module 3 and the male module 2, so that the workpiece blank 10 automatically finds the processing reference, and there is no need to spend time and energy to align and position the workpiece blank 10 with the tool of the processing equipment, thereby improving the processing efficiency; after the female module 3 and the male module 2 are docked, the locking module 5 locks the female module 3 and the male module 2, so that the workpiece blank 10 maintains a stable position during the processing.

[0026] The male module 2 specifically includes a mounting seat 21 and a mounting head 22; wherein the mounting seat 21 is a metal plate-shaped structure, which is fixedly arranged at the bottom of the fixture body 1, and the mounting head 22 is a metal round rod-shaped structure, which is vertically fixedly arranged at the bottom of the mounting seat 21. The female module 3 is a cylindrical structure, and a mounting hole 6 is provided through the middle of the female module 3, and the size of the mounting hole 6 is adapted to the size of the mounting head 22, so that the mounting head 22 can be inserted into / exited from the mounting hole 6, so that the female module 3 and the male module 2 can be connected and adapted.

[0027] The locking module 5 specifically includes a plurality of locking blocks 51 and a driving assembly 52, wherein the driving assembly 52 includes a connecting air pipe 521 and a control switch 522; wherein the locking block 51 is a steel ball structure, and the plurality of locking blocks 51 are evenly distributed along the center of the female module 3, and each locking block 51 is movably arranged on the female module 3, and specifically, the female module 3 is provided with a plurality of movable holes 7 evenly distributed along the center thereof, and the movable holes 7 are slidably adapted to the locking block 51, and the inner end of the movable hole 7 extends through and extends to the mounting hole 6, and a limited inner end of the movable hole 7 is provided The positioning portion 71 is used to prevent the locking block 51 from sliding out of the movable hole 7. Of course, the locking block 51 can slide to be partially exposed from the movable hole 7, that is, a protrusion is formed on the wall of the mounting hole 6; one end of the connecting air pipe 521 is connected to the external air source, and the other end of the connecting air pipe 521 is connected to the outer end of the movable hole 7. The control switch 522 is connected to the middle position of the connecting air pipe 521 to control the conduction / disconnection of the connecting air pipe 521; an annular locking groove 8 is provided on the outer periphery of the mounting head 22 of the male module 2, and the locking groove 8 is snap-fitted with the locking block 51.

[0028] After the female module 3 and the male module 2 are docked with the mounting hole 6 through the mounting head 22, the control switch 522 controls the connecting air pipe 521 to form a conducting state, and the locking block 51 can slide to be partially exposed to the movable hole 7 under the action of air pressure, and the locking block 51 is embedded in the locking groove 8, so that the locking module 5 can lock the female module 3 and the male module 2, so that the workpiece blank 10 can maintain a stable position during the processing; after the processing is completed, the control switch 522 controls the connecting air pipe 521 to form a disconnected state, and the locking block 51 cannot be embedded in the locking groove 8 due to the lack of air pressure, thereby realizing the unlocking of the female module 3 and the male module 2.

[0029] The positioning module 4 specifically includes multiple groups of positioning blocks 41, which are square structures. The multiple groups of positioning blocks 41 are fixedly arranged on the bottom surface of the mounting seat 21 of the male module 2, and the multiple groups of positioning blocks 41 are evenly distributed along the center of the male module 2; multiple groups of positioning grooves 9 are arranged on the top of the female module 3, and the multiple groups of positioning grooves 9 are arranged one by one corresponding to the multiple groups of positioning blocks 41, and the positioning grooves 9 are snap-fitted with the positioning blocks 41.

[0030] During the docking process between the female module 3 and the male module 2, the female module 3 and the male module 2 are docked and positioned through the positioning groove 9 and the positioning block 41, so that the workpiece blank 10 automatically finds the processing reference, and there is no need to spend time and energy to align the workpiece blank 10 with the tool of the processing equipment, thereby improving the processing efficiency.

[0031] In this embodiment, the positioning groove 9 extends through the outer periphery of the female head module 3, so as to prevent the positioning groove 9 from accumulating impurities such as coolant / lubricating oil / processing debris as much as possible.

[0032] Implementation principle:

[0033] During the docking process between the female module 3 and the male module 2, the female module 3 and the male module 2 are docked with the mounting hole 6 through the mounting head 22, and the female module 3 and the male module 2 are docked and positioned with the positioning block 41 through the positioning groove 9, so that the workpiece blank 10 automatically finds the processing reference, and there is no need to spend time and energy to align the workpiece blank 10 with the tool of the processing equipment; after the positioning and docking are completed, the control switch 522 controls the connecting air pipe 521 to form a conducting state, and the locking block 51 can slide to partially expose the active hole 7 under the action of air pressure, and the locking block 51 is embedded in the locking groove 8, so that the locking module 5 can lock the female module 3 and the male module 2, so that the workpiece blank 10 can maintain a stable position during the processing; after the processing is completed, the control switch 522 controls the connecting air pipe 521 to form a disconnected state, and the locking block 51 lacks the action of air pressure and cannot be embedded in the locking groove 8, thereby realizing the unlocking of the female module 3 and the male module 2.

[0034] The application also discloses a machining center.

[0035] The machining center includes a machining center body and the above-mentioned universal pneumatic clamp, wherein the female head module 3 of the universal pneumatic clamp is arranged on the workbench of the machining center body.

[0036] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A universal pneumatic clamp, characterized in that: include A fixture body (1), the fixture body (1) is used to load and fix a workpiece blank (10); A male module (2), the male module (2) being arranged on the fixture body (1); A female module (3), the female module (3) is arranged on the processing equipment, and the female module (3) and the male module (2) are connected and adapted to each other; A positioning module (4), the positioning module (4) is arranged between the female module (3) and the male module (2), and is used to perform docking and positioning of the female module (3) and the male module (2); A locking module (5), the locking module (5) is arranged between the female module (3) and the male module (2), and is used to lock the female module (3) and the male module (2).

2. A universal pneumatic clamp according to claim 1, characterized in that: The locking module (5) comprises a locking block (51) and a driving assembly (52); the locking block (51) is movably arranged on the female module (3); the male module (2) is provided with a locking groove (8) adapted to be snap-fitted with the locking block (51); and the driving assembly (52) is connected to the female module (3) and is used to drive the locking block (51) to be embedded in the locking groove (8).

3. A universal pneumatic clamp according to claim 2, characterized in that: The locking blocks (51) are provided in multiple groups, and the multiple groups of locking blocks (51) are evenly distributed along the center of the female head module (3).

4. A universal pneumatic clamp according to claim 2, characterized in that: The female head module (3) is provided with a movable hole (7), the locking block (51) is slidably arranged in the movable hole (7), and a limiting portion (71) is provided at one end of the movable hole (7) for preventing the locking block (51) from sliding out of the movable hole (7).

5. A universal pneumatic clamp according to claim 4, characterized in that: The driving assembly (52) comprises a connecting air pipe (521) and a control switch (522), wherein the connecting air pipe (521) is connected to an external air source and an end of the movable hole (7) away from the limiting portion (71), and the control switch (522) is arranged on the connecting air pipe (521).

6. A universal pneumatic clamp according to claim 1, characterized in that: The positioning module (4) comprises a positioning block (41), the positioning block (41) is fixedly arranged on the male module (2), and the female module (3) is provided with a positioning groove (9) that is snap-fitted and matched with the positioning block (41).

7. A universal pneumatic clamp according to claim 6, characterized in that: The positioning blocks (41) are provided in multiple groups, and the multiple groups of positioning blocks (41) are evenly distributed along the center of the male module (2).

8. A universal pneumatic clamp according to claim 6, characterized in that: The positioning groove (9) extends through the outer periphery of the female head module (3).

9. A machining center, characterized in that: It comprises a machining center body and a universal pneumatic clamp as described in any one of claims 1 to 8, wherein the female head module (3) of the universal pneumatic clamp is arranged on a workbench of the machining center body.

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