CN211759848U - Multi-angle machining clamp - Google Patents

Abstract

The utility model discloses a multi-angle adds clamping apparatus aims at solving present adds clamping apparatus self and can't rotate, interrupts and rotates the work piece in the course of working, influences the not enough of production efficiency and production beat. The utility model discloses an including bottom plate and anchor clamps board, anchor clamps board and bottom plate are arranged perpendicularly, are connected with the pivot between anchor clamps board and the bottom plate, and the bottom plate rotates and connects the anchor clamps board, and the bottom plate is connected with the rotary rod, and rotary rod connection has rotating device, is equipped with the locating hole of location work piece on the anchor clamps board, and the anchor clamps board is equipped with a plurality of locators around the locating hole, is connected with the driver between bottom plate and the anchor clamps board, and the driver includes stiff end and flexible end, realizes through the flexible end on the driver that the anchor clamps board. The clamp can rotate, so that the multi-angle processing of the workpiece is realized, and the production beat is saved; the shock absorber reduces abrasion and vibration, protects the clamp and prolongs the service life of the device.

Description

Multi-angle machining clamp

Technical Field

The utility model relates to a add clamping apparatus, more specifically say, it relates to a multi-angle adds clamping apparatus.

Background

Generally, holes or planes with high precision and different angles are processed by adopting a five-axis coordinate system numerically controlled milling machine, but the five-axis coordinate system numerically controlled milling machine is expensive. Therefore, the problem that people are in urgent need to solve at present is to use limited funds to purchase common numerical control milling machines as much as possible and expand the processing range of the common numerical control milling machines to play a greater role. The multi-angle milling special fixture can achieve the processing effect of a five-axis coordinate coefficient machine tool by adopting a three-axis coordinate coefficient processing mode. However, on the premise that the existing fixture does not adjust the self posture, the corresponding rotating device needs to perform three-axis motion, the design and connection requirements of the fixture are still higher, a machining fixture capable of adjusting the posture per se is urgently needed, and the auxiliary rotating device changes the machining surface, so that the design requirement on the degree of freedom of the rotating device is reduced.

Chinese patent publication No. CN203649979U, entitled multi-angle special fixture for milling, and this application discloses a multi-angle special fixture for milling, which includes: a base for securing the clamp; the method is characterized in that: the base is of a box type structure and is formed by connecting supporting plates through fasteners; the front surface and the side surface adjacent to the front surface of the base are fixedly provided with a milling fixture body, and the milling fixture body is divided into a milling fixture I, a milling fixture II and a milling fixture III according to the requirement of a position to be processed; for the cooperation machining process, milling fixture I and milling fixture II locate the same working face of base in. By the mode, the special multi-angle milling fixture is provided, and the workpiece is positioned and clamped respectively according to different machining positions. And a plurality of clamps are integrated on one clamp body, so that the machining method of the three-axis coordinate coefficient is effectively matched. The device cannot rotate, a corresponding driving device is required to rotate and translate in more directions, so that the device is more complex, if the device cannot move to a corresponding processing surface, the device needs to stop processing and move to the corresponding processing surface for processing, and the device is insufficient in production efficiency and production rhythm.

Disclosure of Invention

The utility model overcomes present adds clamping apparatus self can't rotate, interrupts and rotates the work piece in the course of working, and the influence produces the not enough of efficiency and production beat, provides a multi-angle adds clamping apparatus, and it can self take place to rotate, realizes multi-angle processing, improves product machining efficiency.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a multi-angle adds clamping apparatus, including bottom plate and anchor clamps board, the anchor clamps board is arranged perpendicularly with the bottom plate, be connected with the pivot between anchor clamps board and the bottom plate, the bottom plate rotates and connects the anchor clamps board, the bottom plate is connected with the rotary rod, the rotary rod is connected with rotating device, be equipped with the locating hole of location work piece on the anchor clamps board, the anchor clamps board is equipped with a plurality of locators around the locating hole, be connected with the driver between bottom plate and the anchor clamps board, the driver includes stiff end and flexible end, through the flexible rotation that realizes that the anchor clamps.

The bottom plate is horizontal and the clamp plate is vertical. The horizontally and vertically arranged positions described here are merely used as relative positional relationships between the respective components, and the posture of a specific jig depends on the posture of workpiece processing. The clamp plate and the bottom plate are vertically arranged. The bottom plate is fixedly connected with the rotating rod, the end part of the rotating rod is detachably connected with the rotating device, and the end part of the rotating rod is polygonal. The rotating device can perform translation and rotation in multiple axial directions. The fixture plate has a locator surrounding a locating hole for locating the workpiece. The positioning pieces are abutted against the workpiece, so that the workpiece is positioned, and the workpiece is prevented from moving under a certain posture. One corner of the clamp plate is connected with the rotating shaft, and the rotating shaft is connected with the bottom plate. The clamp plate is rotatably connected with the bottom plate through a rotating shaft. The end, far away from the rotating shaft, of the bottom edge, connected with the bottom plate, of the clamp plate is connected with a driver, the driver is an oil cylinder or other device with a linear motion end, and the telescopic end of the driver is rotatably connected to the bottom plate. Through the extension and contraction of the driver, one end of the bottom edge of the clamp plate, which is far away from the rotating shaft, is lifted and rotates around the rotating shaft. Therefore, the self posture is adjusted, the rotating device does not need to be additionally provided with a structure of a rotating clamp, and the complexity of the device is reduced.

Preferably, the base that the anchor clamps board is close to the bottom plate is the benchmark limit, and the pivot setting is in base one end, and the one end that the pivot was kept away from to the anchor clamps board is equipped with the connecting block, and the connecting block articulates there is the driver stiff end, and the flexible end tip of driver articulates the bottom plate. The flexible end of driver articulates connects the bottom plate, and the stiff end rotates and connects the connecting block, and connecting block fixed connection realizes from this that driver and anchor clamps board rotate to be connected on the anchor clamps board.

Preferably, a damper is connected to an end of the reference side remote from the rotation shaft, and the damper abuts against the base plate. When the driver retracts, the clamp plate and the workpiece thereon have large mass and large inertia, and are easy to collide after being in place, so that the clamp plate is damaged, and angular deviation occurs. Through set up the bumper shock absorber at the distal end, the linear velocity of bumper shock absorber department is great, and the bumper shock absorber setting has better shock attenuation effect in this position. The shock absorber is made of flexible rubber.

Preferably, the two ends of the rotating shaft are sleeved with rotating bearings, and outer rings of the rotating bearings are fixedly connected to the bottom plate. The inner ring of the rotating bearing is tightly connected with the rotating shaft, and the rotating shaft is inserted and fixedly connected onto the clamp plate. The outer ring of the rotating bearing is fixedly connected to the bottom plate, the bottom plate is provided with a positioning lug for positioning the outer ring, and the rotating bearing is sleeved with a bearing cover for preventing dust from entering.

Preferably, the actuator is a cylinder. The oil cylinder is adopted because sudden power loss can also keep stable, and the workpiece and the cutter cannot be damaged due to displacement.

Preferably, the positioner is provided with a positioning end, and the positioning end moves in a telescopic manner in the radial direction of the positioning hole. The positioning end is abutted against the workpiece along the radial direction, so that the workpiece is kept stable and cannot fall off in the whole rotation process of the clamp.

Preferably, the range of rotation of the clamp plate is between 0 and 20 degrees. The fixture can adjust the rotation range of the workpiece, so that the workpiece does not need to be repositioned, and the processing efficiency and the production rhythm are improved.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the clamp can rotate, so that the multi-angle processing of the workpiece is realized, and the production beat is saved; (2) the shock absorber reduces abrasion and vibration, protects the clamp and prolongs the service life of the device.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the present invention after rotation;

in the figure: the base plate 1, the clamp plate 2, the rotating rod 11, the rotating device 3, the positioning hole 21, the positioner 22, the fixed end 231, the telescopic end 232, the rotating shaft 4, the connecting block 24, the rotating bearing 31, the positioning lug 12, the reference edge 25 and the shock absorber 13.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b):

the utility model provides a multi-angle adds clamping apparatus, as shown in fig. 1 and 2, includes bottom plate 1 and clamp plate 2, and clamp plate 2 arranges with bottom plate 1 is perpendicular, is connected with pivot 4 between clamp plate 2 and the bottom plate 1, and bottom plate 1 rotates and connects clamp plate 2, and bottom plate 1 is connected with rotary rod 11, and rotary rod 11 is connected with rotating device 3, is equipped with the locating hole 21 of location work piece on the clamp plate 2, and clamp plate 2 is equipped with a plurality of locators 22 around locating hole 21. The positioner 22 is provided with a positioning end which moves telescopically in the radial direction of the positioning hole 21. The positioning end is abutted against the workpiece along the radial direction, so that the workpiece is kept stable and cannot fall off in the whole rotation process of the clamp. A driver (the driver is an oil cylinder which can be kept stable due to sudden power failure and can not cause damage to workpieces and tools due to displacement) is connected between the bottom plate 1 and the clamp plate 2, the driver comprises a fixed end 231 and a telescopic end 232, and the clamp plate 2 rotates around the rotating shaft 4 through the telescopic end 232 on the driver in a telescopic mode. The base that anchor clamps board 2 is close to bottom plate 1 is benchmark limit 25, and pivot 4 sets up in base one end, and the one end that anchor clamps board 2 kept away from pivot 4 is equipped with connecting block 24, and connecting block 24 articulates there is driver stiff end 231, and the flexible end 232 tip of driver articulates bottom plate 1. The connecting block 24 is fixedly attached to the clamp plate by fasteners. The flexible end 232 of driver articulates and connects bottom plate 1, and stiff end 231 rotates and connects connecting block 24, and connecting block 24 fixed connection is on anchor clamps board 2, realizes from this that driver and anchor clamps board 2 rotate to be connected. The driver is parallel to the side of the clamp plate 2 remote from the pivot 4 and is located in this position because the lever is at its smallest, which is better suited for a higher precision of rotation of the clamp. The range of rotation of the clamp plate 2 is between 0 and 20 degrees. The fixture can adjust the rotation range of the workpiece, so that the workpiece does not need to be repositioned, and the processing efficiency and the production rhythm are improved.

The end of the reference edge 25 away from the rotating shaft 4 is connected with a damper 13, and the damper 13 abuts against the bottom plate 1. When the driver retracts, the clamp plate 2 and the workpiece thereon have large mass and large inertia, and are easily collided after being in place, resulting in damage and angular deviation. By providing the damper 13 at the distal end, the linear velocity at the damper 13 is greater, and the damper 13 is provided at this position with a better damping effect. The damper 13 is made of flexible rubber. Two ends of the rotating shaft 4 are sleeved with rotating bearings 31, and the outer rings of the rotating bearings 31 are fixedly connected to the bottom plate 1. The inner ring of the rotating bearing 31 is tightly connected with the rotating shaft 4, and the rotating shaft 4 is inserted and fixedly connected on the clamp plate 2. The outer ring of the rotating bearing 31 is fixedly connected to the bottom plate 1, the bottom plate 1 is provided with a positioning lug 12 for positioning the outer ring, and the rotating bearing 31 is externally sleeved with a bearing cover for preventing dust from entering.

The bottom plate 1 is horizontal and the clamp plate 2 is vertical. The horizontally and vertically arranged positions described here are merely used as relative positional relationships between the respective components, and the posture of a specific jig depends on the posture of workpiece processing. The clamp plate 2 and the base plate 1 are arranged vertically. Bottom plate 1 and 11 fixed connection of rotary rod, 11 tip of rotary rod and 3 releasable connection of rotating device, 11 tip of rotary rod are the polygon. The rotating device 3 can perform translation and rotation in multiple axial directions. The jig plate 2 has a positioner 22 surrounding a positioning hole 21 for positioning a workpiece. The positioning pieces are abutted against the workpiece, so that the workpiece is positioned, and the workpiece is prevented from moving under a certain posture. One corner of the clamp plate 2 is connected with a rotating shaft 4, and the rotating shaft 4 is connected with the bottom plate 1. The clamp plate 2 is rotatably connected with the bottom plate 1 through a rotating shaft 4. A driver is connected between one end, far away from the rotating shaft 4, of the bottom edge, connected with the clamp plate 2 and the bottom plate 1, of the bottom plate 1 and the bottom plate 1, the driver is an oil cylinder or other device with a linear motion end, and a telescopic end 232 of the driver is rotatably connected to the bottom plate 1. Through the extension and contraction of the driver, one end of the bottom edge of the clamp plate 2 far away from the rotating shaft 4 is lifted and rotates around the rotating shaft 4. Therefore, the self posture is adjusted, the rotating device 3 does not need to be additionally provided with a structure of a rotating clamp, and the complexity of the device is reduced.

Through this anchor clamps, can realize the work piece and rotate. The non-rotating clamp can only rotate the whole clamp in the machining gap, and the clamp can realize automatic machining through a controller electrically connected with the driver, so that the labor is reduced. Anchor clamps rotate with rotating device 3 and are connected, and rotating device 3 can realize rotating or the translation on the multiple degree of freedom, further improvement the processing angle, promoted the ability that the device can process.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims (7)

1. The utility model provides a multi-angle adds clamping apparatus, which is characterized by, including bottom plate and anchor clamps board, the anchor clamps board is arranged perpendicularly with the bottom plate, be connected with the pivot between anchor clamps board and the bottom plate, the bottom plate rotates and connects the anchor clamps board, the bottom plate is connected with the rotary rod, rotary rod is connected with rotating device, be equipped with the locating hole of location work piece on the anchor clamps board, the anchor clamps board is equipped with a plurality of locators around the locating hole, be connected with the driver between bottom plate and the anchor clamps board, the driver includes stiff end and flexible end, through the flexible rotation that realizes that the.

2. The multi-angle machining fixture of claim 1, wherein the base edge of the fixture plate near the bottom plate is a reference edge, the rotating shaft is disposed at one end of the base edge, the end of the fixture plate far from the rotating shaft is provided with a connecting block, the connecting block is hinged to a fixed end of the driver, and the end of the telescopic end of the driver is hinged to the bottom plate.

3. The multi-angle machining fixture as claimed in claim 1, wherein a damper is connected to an end of the reference edge remote from the rotation shaft, and the damper abuts against the base plate.

4. The multi-angle machining fixture as claimed in claim 1, wherein rotary bearings are sleeved on both ends of the rotary shaft, and outer rings of the rotary bearings are fixedly connected to the bottom plate.

5. The multi-angle machining fixture of claim 3, wherein the actuator is a cylinder.

6. The multi-angle machining jig of claim 1, wherein the locator is provided with a locating end which is telescopically movable in a radial direction of the locating hole.

7. The multi-angle tooling fixture of claims 1, 2, 4 or 6 wherein the rotation of the fixture plate is between 0 and 20 degrees.

Images