CN213702513U - Machining clamp - Google Patents

Abstract

The utility model relates to a processing clamp, which comprises a cylinder module and a positioning plate arranged on the cylinder module, wherein the positioning plate is extended to form two positioning components; the cylinder module comprises a cylinder and two cylinder push blocks, the cylinder is provided with two cylinder fingers, the corresponding cylinder push blocks are arranged on the cylinder fingers and are linked with the cylinder push blocks, each cylinder finger is arranged opposite to the corresponding positioning assembly, and a processing groove is defined between the two cylinder fingers and the two positioning assemblies for accommodating a product to be processed; through the mode that adopts the cylinder control clamp force, simplified the structure for the clamp force is adjusted easily, has increased moreover and has pressed from both sides tight stroke, is favorable to expanding the application scope of processing anchor clamps, the locating plate still is provided with the chip groove and gets the material position, has solved the product chip removal problem of adding man-hour, makes processing anchor clamps can be convenient for by the maintenance.

Description

Machining clamp

Technical Field

The utility model relates to a CNC processing technology field especially relates to a processing anchor clamps.

Background

In the CNC machining process, in order to ensure the quality of a machined product, the positioning accuracy and stability of the machined product need to be ensured. When the circular bracelet watchcase class product of CNC processing, adopt the lock mouth anchor clamps to fix the product of processing usually, however this kind of lock mouth anchor clamps are when being used for processing square product, because mismatch between lock mouth anchor clamps and the product shape, the uneven condition of clamp force appears easily in pressing from both sides tight processing engineering to cause the unstable problem of product size after the processing. In other words, the conventional lock nozzle clamp is difficult to adjust for machined products with different shapes and structures, and the problem that the size of the machined product is unstable is easily caused. It is worth mentioning that the lock mouth clamp is provided with a plurality of slots, when CNC machining is carried out, the slots of the lock mouth are easy to store scraps generated by machining products, the scraps are difficult to clean in the machining process, the accumulated scraps of the slots can be clamped when the accumulated scraps are too much, and therefore the lock mouth cannot retract and tighten, and the lock mouth clamp has a locking function on the products seriously.

As shown in fig. 1, a detailed structure of a prior art lock jaw clamp 100P is illustrated. The lock nozzle clamp 100P comprises a lock nozzle 10P, a tensioning cylinder 20P, a support seat 30P, a base 40P, a sleeve 50P and a pull rod 60P, wherein the lock nozzle 10P is provided with a processing groove 101P for accommodating products and a plurality of slots 102P for enabling the lock nozzle 10P to retract and tighten; the sleeve 50P is sleeved on the lock nib 10P and has an inclined plane in contact with the lock nib 10P; the pull rod 60P is provided to the sleeve 50P and is linked to the tightening cylinder 20P; when the tensioning cylinder 20P is started, the pull rod 60P is moved by the tensioning cylinder 20P in a linkage manner, so as to drive the sleeve 50P to move downwards, the inclined planes between the sleeve 50P and the lock nozzle 10P are mutually supported, so that the lock nozzle 10P is retracted and tightened, and therefore the lock nozzle 10P clamps a product through the elastic deformation force of the retracted and tightened lock nozzle. It can be understood that the shape of the processing groove 101P of the lock nib 10P is fixed and the range of elastic deformation of the lock nib 10P is limited, so that the lock nib 10P is only suitable for clamping a product with one shape, and the application range is limited. In addition, the lock nib 10P has a plurality of slots 102P, the slots 102P are easy to store scraps and difficult to clean, and after excessive scraps are accumulated, the lock nib 10P cannot be shrunk and locked, which seriously affects the locking function of the lock nib clamp 100P and easily causes the problem of unstable size of a processed product in the CNC processing process.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a machining clamp is suitable for and presss from both sides tight locking to the product of different shapes, and the tight mode of clamp is simple effective, is difficult to hide bits moreover, simple structure, easy to maintain.

A machining clamp comprises a cylinder module and positioning plates arranged on the cylinder module, wherein the positioning plates respectively extend to form positioning assemblies in the X-axis direction and the Y-axis direction of the machining clamp, namely the positioning plates extend to form two positioning assemblies; the cylinder module comprises a cylinder and two cylinder push blocks detachably arranged on the cylinder, the cylinder is provided with two cylinder fingers, the cylinder fingers are provided with corresponding cylinder push blocks and are linked with the cylinder push blocks, each cylinder finger is opposite to the corresponding positioning assembly, a processing groove is defined between the two cylinder fingers and the two positioning assemblies so as to accommodate a product to be processed, when the cylinder is started, each cylinder finger points to the corresponding positioning assembly to move close to and push the product arranged in the processing groove, and the cylinder push blocks are linked, moved, clamped, supported and arranged on the product arranged in the processing groove by the corresponding cylinder fingers.

Optionally, each positioning assembly includes two positioning bosses disposed at an interval, each cylinder push block and each positioning boss respectively have an inverted inclined surface facing the processing groove, and when the cylinder push block corresponding to the cylinder finger linkage pushes a product tightly, the inverted inclined surfaces enable the cylinder push block and the positioning bosses to have a downward acting force on the product, so that the product is clamped and fixed by the cylinder push block and the positioning bosses.

Optionally, the locating plate is provided with a plurality of junk slots, the junk slots are provided between two of the locating bosses.

Optionally, the locating plate is provided with a plurality of material taking positions, the material taking positions being provided between two of the locating components.

Optionally, the cylinder finger and the cylinder push block form a detachable connection through a plurality of fixing pieces.

Optionally, the cylinder includes a cylinder housing, two cylinder fingers disposed outside the cylinder housing, and two control cylinders disposed inside the housing, and the two control cylinders respectively control the corresponding cylinder fingers.

Optionally, the machining fixture further comprises a supporting seat and a base, wherein the supporting seat is arranged between the base and the cylinder module to support the cylinder module.

Optionally, the cylinder module forms a fixed connection with the support base through a plurality of connecting pieces.

The utility model discloses a add clamping apparatus and adopt locating component the cylinder finger and the tight locking means of the tight of the semi-open of cylinder ejector pad mutually supporting makes add clamping apparatus can be applicable to and press from both sides tight locking to the processing product of different shapes, is favorable to enlarging add clamping apparatus's application scope.

Processing anchor clamps still are provided with a plurality of chip groove and a plurality of get the material level, the chip groove sets up in two between the boss of location, it sets up in two to get the material level between the locating component, consequently when fastening to the product lock, the location boss with the cylinder ejector pad can not influence the chip removal of chip groove has solved processing anchor clamps's chip removal problem is favorable to reducing the frequency that processing anchor clamps broke down.

Each of machining clamp cylinder ejector pad and each the cylinder boss has the back-off inclined plane when the cylinder module starts, the cylinder finger with when the location boss pushes up the product, the back-off inclined plane makes the cylinder ejector pad with the location boss still can produce decurrent effort to the product, in other words, the cylinder finger with when the lateral shifting of product can be restricted to the boss of location, the cylinder ejector pad with the vertical migration of product can also be restricted to the boss of location, with this the utility model discloses a machining clamp can have good clamping effect to the product, ensures the accuracy and the stability of product location in the course of working, has solved the unstable problem of product size in the processing, is favorable to improving the product processing yield.

Drawings

Fig. 1 is a schematic perspective view of a conventional lock nozzle clamp.

Fig. 2 is a partial exploded view of the processing fixture of the present invention.

Fig. 3 is a plan view of the machining jig shown in fig. 2.

Fig. 4 is a schematic cross-sectional view of the machining jig shown in fig. 2.

Fig. 5 is a perspective view of a cylinder of the machining jig shown in fig. 2.

Fig. 6 is a schematic sectional view of a cylinder of the machining jig shown in fig. 2.

The meaning of the reference symbols in the drawings is:

100P-lock mouth clamp; 10P-lock mouth; 101P-processing tank; 102P-slot; 50P-sleeve; 60P-pull rod; 30P-a support seat; 20P-tensioning cylinder; 40P-base.

100-processing a clamp; 20-a cylinder module; 21-cylinder; 22-a cylinder push block; 211-cylinder fingers; 212-a cylinder housing; 213-control cylinder; 10-positioning a plate; 11 a positioning assembly; 111-positioning the boss; 101-processing a tank; 102-a back-off bevel; 103-chip groove; 104-material taking position; 30-a support seat; 40-base.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 2 to 6, a specific structure of the machining jig 100 according to a preferred embodiment of the present invention is illustrated, and it is understood that the machining jig 100 may be implemented as a CNC machining jig 100, and the specific structure of the machining jig 100 will be described below by taking the CNC machining jig 100 as an example. As shown in fig. 2 to 6, the CNC processing fixture 100 comprises a cylinder module 20 and a positioning plate 10 disposed on the cylinder module 20, in the X-axis direction and the Y-axis direction of the CNC processing fixture 100, the positioning plate 10 is respectively extended to form two positioning assemblies 11, that is, the positioning plate 10 is extended to form two positioning assemblies 11; the cylinder module 20 comprises a cylinder 21 and two cylinder push blocks 22 detachably arranged on the cylinder 21, the cylinder 21 has two cylinder fingers 211, the cylinder fingers 211 are provided with corresponding cylinder push blocks 22 and are linked with the cylinder push blocks 22, each cylinder finger 211 is arranged opposite to the corresponding positioning component 11, a processing groove 101 is defined between the two cylinder fingers 211 and the two positioning components 11 for accommodating products to perform CNC processing, when the cylinder 21 is started, each cylinder finger 211 moves close to the corresponding positioning component 11 to push the products arranged in the processing groove 101, and the cylinder push blocks 22 are moved in a linked manner by the corresponding cylinder fingers 211 and clamp and support the products arranged in the processing groove 101.

It can be understood that the processing tank 101 formed between the cylinder fingers 211 and the positioning components 11 is a semi-open type processing tank 101, when the cylinder 21 is not started, the cylinder fingers 211 are far away from the corresponding positioning components 11 to facilitate the placement of products with different shapes and sizes, after the products are placed in the processing tank 101, the cylinder 21 is started to control the cylinder fingers 211 to move towards the corresponding positioning components 11, so that the cylinder fingers 211 can push the products tightly, and the cylinder push block 22 is moved by the cylinder fingers 211 in a linkage manner, and the products are clamped and supported while being pushed tightly, thereby realizing the clamping fixation of the products. Therefore, the CNC machining clamp 100 adopts the semi-open type clamping and locking mode that the positioning component 11, the cylinder fingers 211 and the cylinder push block 22 are matched with each other, so that the CNC machining clamp 100 can be suitable for clamping and locking machining products of different shapes, and the application range of the CNC machining clamp 100 is favorably expanded.

It can be further understood that when the air cylinder 21 is activated, each air cylinder finger 211 can move closer to the corresponding positioning component 11, so that the shape and size of the machining groove 101 can be controlled and adjusted by controlling the distance between the air cylinder finger 211 and the corresponding positioning component 11, so that the CNC machining fixture 100 is suitable for machining products with different shapes and sizes, which is beneficial to expanding the application range of the CNC machining fixture 100.

Further, each positioning assembly 11 includes two positioning bosses 111 arranged at intervals, each cylinder push block 22 and each positioning boss 111 respectively have an inverted inclined surface 102 facing the processing tank 101, and when the cylinder finger 211 is interlocked with the corresponding cylinder push block 22 to push a product tightly, the inverted inclined surface 102 causes the cylinder push block 22 and the positioning boss 111 to have a downward acting force on the product, so that the product is clamped and fixed by the cylinder push block 22 and the positioning bosses 111.

It can be understood that when the cylinder module 20 starts, the cylinder finger 211 with when the location boss 111 pushes up the product tightly, the back-off inclined plane 102 makes the cylinder ejector pad 22 with the location boss 111 still can produce decurrent effort to the product, in other words, the cylinder finger 211 with when the location boss 111 can restrict the lateral shifting of product, the cylinder ejector pad 22 with the location boss 111 can also restrict the longitudinal shifting of product, with this the utility model discloses a CNC processing anchor clamps 100 can have good clamping effect to the product, ensures the accuracy and the stability of product location in the CNC course of working, has solved the unstable problem of product size in the CNC processing, is favorable to improving the product processing yield.

It can also be understood that the cylinder fingers 211 and the positioning bosses 111 are located at the periphery of the processing tank 101, so that the cylinder fingers 211 and the positioning bosses 111 can limit the lateral movement of the product disposed in the processing tank 101.

It should be understood that in this embodiment of the present invention, the positioning boss 111 is set to be a rectangular parallelepiped structure, the CNC processing fixture 100 is suitable for processing square shell products, in some embodiments of the present invention, the positioning boss 111 can be set to be an arc structure, so that the CNC processing fixture 100 is suitable for processing circular shell products, the present invention is not limited to the shape of the positioning boss 111.

It is worth mentioning that the cylinder finger 211 and the cylinder push block 22 are detachably connected by a plurality of fixing members.

In addition, it is worth mentioning that the cylinder 21 includes a cylinder housing 212, two cylinder fingers 211 disposed outside the cylinder housing 212, and two control cylinders 213 disposed inside the housing, and the two control cylinders 213 control the corresponding cylinder fingers 211 respectively.

Compare in current lock mouth anchor clamps, the utility model discloses a two the mode that the cylinder finger 211 that corresponds was controlled respectively to control cylinder 213 has increased the stability of clamp force, makes simultaneously the clamp force of CNC processing anchor clamps 100 changes in being adjusted.

Further, locating plate 10 is provided with a plurality of chip grooves 103 and a plurality of material level 104 of getting, chip groove 103 sets up in two between the location boss 111, it is set up in two to get material level 104 between the locating component 11, consequently when fastening to the product lock, location boss 111 with cylinder ejector pad 22 can not influence chip discharge groove 103's chip removal has been solved CNC adds clamping apparatus 100's chip removal problem is favorable to reducing CNC adds clamping apparatus 100 frequency of breaking down, makes CNC adds clamping apparatus 100 can be convenient for to be maintained.

It should be noted that the CNC machining fixture 100 further comprises a supporting base 30 and a base 40, wherein the supporting base 30 is disposed between the base 40 and the cylinder module 20 for supporting the cylinder module 20.

In addition, it is worth mentioning that the cylinder module 20 is fixedly connected to the support base 30 through a plurality of connecting members.

It can be appreciated that the utility model provides a CNC adds clamping apparatus 100 is suitable for and presss from both sides tight locking to the product of different shapes, and the clamping mode is simple effective, is difficult to hide bits moreover, simple structure, easy to maintain. Specifically, CNC adds clamping apparatus 100 adopts cylinder module 20 with half open cooperation between the locating plate 10 presss from both sides tight fixed mode, makes CNC adds clamping apparatus 100 can be convenient for place the product of different shapes and size, just CNC adds clamping apparatus 100 the tight stroke of the clamp of cylinder finger 211 is 5mm ~ 7mm, has increased the tight stroke of clamp of CN adds clamping apparatus is favorable to expanding CNC adds clamping apparatus 100's application scope. And CNC adds clamping apparatus 100 adopts the mode that cylinder module 20 provided the clamp force makes CNC adds clamping apparatus 100's overall structure is simple to the mode that adopts double-cylinder control makes the clamp force conveniently adjusted, and the clamping mode is simple effective. In addition, CNC adds clamping apparatus 100 is provided with chip groove 103 with get material level 104, solved the product chip removal problem that CNC adds man-hour, be favorable to reducing CNC adds clamping apparatus 100 frequency of breaking down makes CNC adds clamping apparatus 100 can be convenient for be maintained.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A machining clamp is characterized by comprising an air cylinder module and positioning plates arranged on the air cylinder module, wherein the positioning plates respectively extend to form positioning assemblies in the X-axis direction and the Y-axis direction of the machining clamp, namely the positioning plates extend to form two positioning assemblies; the cylinder module comprises a cylinder and two cylinder push blocks detachably arranged on the cylinder, the cylinder is provided with two cylinder fingers, the cylinder fingers are provided with corresponding cylinder push blocks and are linked with the cylinder push blocks, each cylinder finger is opposite to the corresponding positioning assembly, a processing groove is defined between the two cylinder fingers and the two positioning assemblies so as to accommodate a product to be processed, when the cylinder is started, each cylinder finger points to the corresponding positioning assembly to move close to and push the product arranged in the processing groove, and the cylinder push blocks are linked, moved, clamped, supported and arranged on the product arranged in the processing groove by the corresponding cylinder fingers.

2. The machining fixture according to claim 1, wherein each positioning assembly includes two positioning bosses arranged at intervals, each cylinder pushing block and each positioning boss respectively have an inverted inclined surface facing the machining groove, and when the cylinder fingers link the corresponding cylinder pushing block to push the product tightly, the inverted inclined surfaces enable the cylinder pushing block and the positioning bosses to have downward acting force on the product, so that the product is clamped and fixed by the cylinder pushing block and the positioning bosses.

3. The machining jig of claim 2, wherein the positioning plate is provided with a plurality of chip grooves provided between the two positioning bosses.

4. A process fixture according to claim 2, wherein said positioning plate is provided with a plurality of access points, said access points being provided between two of said positioning assemblies.

5. The machining fixture according to claim 1, wherein the cylinder fingers and the cylinder push block are detachably connected by a plurality of fixing members.

6. The machining fixture according to any one of claims 1 to 5, wherein the air cylinder comprises a cylinder housing, two of the cylinder fingers disposed outside the cylinder housing, and two control cylinders disposed inside the housing, the two control cylinders controlling the corresponding cylinder fingers, respectively.

7. The machining jig of any one of claims 1 to 5, further comprising a support base and a base, the support base being disposed between the base and the cylinder module for supporting the cylinder module.

8. The machining fixture of claim 7, wherein the cylinder module is fixedly connected to the support base by a plurality of connecting members.

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