CN210099503U

CN210099503U - Anti-deformation clamp

Info

Publication number: CN210099503U
Application number: CN201920782509.4U
Authority: CN
Inventors: 李秀华
Original assignee: SUZHOU XINHE MACHINERY CO Ltd
Current assignee: SUZHOU XINHE MACHINERY CO Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-02-21
Anticipated expiration: 2029-05-28

Abstract

The utility model relates to an anti-deformation clamp, including anchor clamps chassis, drive mechanism, location link mechanism and hold down link mechanism, the anchor clamps chassis with drive mechanism connects, drive mechanism with location link mechanism connects, just drive mechanism with hold down link mechanism connects, drive mechanism includes portable base, main shaft connector, driven connection axle, spring, gim peg and triangle connecting plate, the main shaft connector with movable base connects, driven connection axle one end is passed in proper order the anchor clamps chassis with movable base, and with the main shaft connector connects. The utility model discloses a deformation-preventing clamp has solved the single of adopting traditional internal stay or outer clamp and has held the locate mode and lead to the product to appear rebounding the problem of deformation, has avoided the damage of machining process to the product.

Description

Anti-deformation clamp

Technical Field

The utility model relates to a preapring for an unfavorable turn of events shape anchor clamps.

Background

The aluminum alloy casting end cover used for mounting on the engine needs to have high mounting size precision and good heat dissipation performance. Therefore, on the design of the end cover, on the premise of ensuring the use strength of parts, the ventilation hollow-out structures are arranged as much as possible, so that the heat dissipation problem during the operation of the motor is solved, and the service life of the motor is prolonged. The disc-shaped parts of the aluminum alloy castings are generally machined and produced efficiently by a numerical control lathe. The traditional clamping and fixing mode of the numerical control lathe mainly comprises an inner support and an outer clamp. For the disc-shaped part with a thinner structure, the two modes are used for radial clamping and positioning, after machining is completed, the part can rebound and deform in different degrees, the important size of the part is unqualified, the production quality is unstable, and the machining efficiency is low.

Chinese patent CN201610854545.8 discloses a thin wall cylinder anti-deformation anchor clamps, including well core plate, the center pin, outer hoop, first umbrella stand mechanism and second umbrella stand mechanism, first umbrella stand mechanism sets up the same with being connected with second umbrella stand mechanism structure, second umbrella stand mechanism includes the second end plate, second support ring and second connecting rod, the central point of second end plate puts and is provided with the third shaft hole, first shaft hole, second shaft hole and third shaft hole set gradually on the center pin, the terminal surface of second end plate is provided with the second push rod, be provided with the second spring between well core plate and the second end plate. However, the clamp clamps the product through the outer hoop, which easily causes the product to deform and affects the machining efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of the above prior art, the utility model aims to provide an anti-deformation clamp, this anti-deformation clamp has realized the deformation when pressing from both sides the clamp of product to the location, the locking work of product.

In order to achieve the above and other related objects, the utility model discloses a deformation-preventing clamp, which comprises a clamp chassis, a transmission mechanism, a positioning link mechanism and a pressing link mechanism, wherein the clamp chassis is connected with the transmission mechanism, the clamp chassis is used for fixing the transmission mechanism, the transmission mechanism is connected with the positioning link mechanism, the transmission mechanism is used for driving the pressing link mechanism and the positioning link mechanism to move, the positioning link mechanism is used for positioning a product to be processed, the transmission mechanism is connected with the pressing link mechanism, the pressing link mechanism is used for fixing the product to be processed, the transmission mechanism comprises a movable base, a main shaft connector, a driven connecting shaft, a spring, a fixing bolt and a triangular connecting plate, the main shaft connector is connected with the movable base, the main shaft connector is used for driving the driven connecting shaft to move, driven connecting axle one end is passed in proper order the anchor clamps chassis with movable base, and with the main shaft connector is connected, driven connecting axle is used for promoting the triangle connecting plate motion, gim peg one end is passed in proper order the triangle connecting plate with the spring, and with the driven connecting axle other end is connected, the gim peg is used for fixing the triangle connecting plate with driven connecting axle, the spring is used for locking the triangle connecting plate with driven connecting axle.

Preferably, the location link mechanism includes fixed block, locating piece and connecting rod, connecting rod one end with the triangle connecting plate is connected, the other end with locating piece connection, the connecting rod is used for connecting the triangle connecting plate with the locating piece is convenient for driven connecting axle drives the locating piece location is treated the processing product, the locating piece with the fixed block is connected, the locating piece is used for the location to treat the processing product, the fixed block is used for fixing the locating piece.

Preferably, the compressing link mechanism comprises a compressing block, a compressing rod and a connecting block, the connecting block is connected with the clamp chassis, the connecting block is used for fixing the compressing block, one end of the compressing rod penetrates through the connecting block, the clamp chassis and is connected with the movable base, the compressing rod is used for driving the compressing block to compress a product to be processed, the other end of the compressing rod is connected with the compressing block, the compressing block is connected with the connecting block, and the compressing block is used for compressing the product to be processed.

Preferably, the number of the positioning connecting rod mechanisms is three, and the positioning connecting rod mechanisms are uniformly distributed on the clamp chassis, so that a product to be processed is conveniently and accurately positioned, and when the pressing connecting rod mechanism presses the product to be processed, the pressing connecting rod mechanism is prevented from excessively pressing the product to be processed, and the deformation of the product to be processed is caused.

Preferably, the number of the pressing connecting rod mechanisms is three, the pressing connecting rod mechanisms are uniformly distributed on the clamp chassis, and the three pressing connecting rod mechanisms work together to achieve the purpose of clamping a product to be processed.

Preferably, the compression linkages and the positioning linkages are alternately distributed.

Preferably, the fixture chassis comprises a cavity, the movable base and the spindle connector are located in the cavity, and the cavity is used for yielding the movable base and the spindle connector, so that the space occupied by the deformation-preventing fixture is reduced.

This anti-deformation anchor clamps during operation, with location link mechanism and compress tightly link mechanism deepening to the processing product in, the motion of main shaft connector promotion driven connecting axle drives movable base motion, movable base drives the connecting rod motion at first, and then drives the locating piece motion, accomplishes the center location action to the product, movable base drives the motion of compression leg afterwards, and then drives the compact heap and compresses tightly the product of treating processing, accomplishes the axial positioning work of treating processing tea article.

To sum up, this utility model's a shape anchor clamps of preapring for an unfavorable turn of events have following beneficial effect: the problem of poor size of a produced part due to rebound deformation of the part after the traditional single clamping and positioning mode of inner support or outer clamp is adopted for production when the thin-wall disc-shaped part is machined by the current numerical control lathe is solved, the machining quality is improved, and the product damage rate caused by the clamping procedure in the machining process is reduced; three-point positioning is adopted, the center of the product to be processed is accurately positioned, and the product to be processed is accurately clamped; the hole roundness of the product to be processed is ensured, the smoothness in the production process of the product is improved, and the production efficiency is improved.

Drawings

Fig. 1 is an isometric view of a deformation prevention jig.

Fig. 2 is a sectional view of a deformation preventing jig.

1. A clamp chassis; 2. a transmission mechanism; 3. a positioning link mechanism; 4. a hold-down link mechanism; 5. a cavity; 6. a movable base; 7. a spindle connector; 8. a driven connecting shaft; 9. a spring; 10. a fixing bolt; 11. a triangular connecting plate; 12. a fixed block; 13. a connecting rod; 14. positioning blocks; 15. a compression block; 16. a hold down bar; 17. and (4) connecting the blocks.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 and fig. 2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 and fig. 2, the utility model relates to an anti-deformation clamp, which comprises a clamp chassis 1, a transmission mechanism 2, a positioning link mechanism 3 and a pressing link mechanism 4, wherein the clamp chassis 1 is connected with the transmission mechanism 2, the clamp chassis 1 is used for fixing the transmission mechanism 2, the transmission mechanism 2 is connected with the positioning link mechanism 3, the transmission mechanism 2 is used for driving the pressing link mechanism 4 and the positioning link mechanism 3 to move, the positioning link mechanism 3 is used for positioning a product to be processed, the transmission mechanism 2 is connected with the pressing link mechanism 4, the pressing link mechanism 4 is used for fixing the product to be processed, the transmission mechanism 2 comprises a movable base 6, a main shaft connector 7, a driven connecting shaft 8, a spring 9, a fixed bolt 10 and a triangular connecting plate 11, the main shaft connector 7 is connected with the movable base 6, spindle connector 7 is used for driving 8 motions of driven connecting axle, 8 one ends of driven connecting axle are passed in proper order anchor clamps chassis 1 with movable base 6, and with spindle connector 7 connects, driven connecting axle 8 is used for promoting 11 motions of triangle connecting plate, gim peg 10 one end is passed in proper order triangle connecting plate 11 with spring 9, and with the 8 other ends of driven connecting axle are connected, gim peg 10 is used for fixing triangle connecting plate 11 with driven connecting axle 8, spring 9 is used for locking triangle connecting plate 11 with driven connecting axle 8.

In this embodiment, positioning link mechanism 3 includes fixed block 12, locating piece 14 and connecting rod 13, connecting rod 13 one end with triangle connecting plate 11 is connected, the other end with locating piece 14 is connected, connecting rod 13 is used for connecting triangle connecting plate 11 with locating piece 14 is convenient for driven connecting axle 8 drives the product is treated in the locating of locating piece 14, locating piece 14 with fixed block 12 is connected, locating piece 14 is used for the location to treat the product, fixed block 12 is used for fixing locating piece 14.

In this embodiment, the pressing link mechanism 4 includes a pressing block 15, a pressing rod 16 and a connecting block 17, the connecting block 17 is connected to the fixture chassis 1, the connecting block 17 is used for fixing the pressing block 15, one end of the pressing rod 16 passes through the connecting block 17, the fixture chassis 1 and is connected to the movable base 6, the pressing rod 16 is used for driving the pressing block 15 to press a product to be processed, the other end of the pressing rod 16 is connected to the pressing block 15, the pressing block 15 is connected to the connecting block 17, and the pressing block 15 is used for pressing the product to be processed.

In this embodiment, location link mechanism 3 has threely, just the even distribution of location link mechanism 3 is in on the anchor clamps chassis 1, be convenient for treat the processing product and carry out the accurate positioning, make when compressing tightly link mechanism 4 compresses tightly the product of treating processing, prevent compressing tightly link mechanism 4 treats that processing product pressure is too big, arouses to treat that the processing product warp.

In this embodiment, there are three compressing link mechanisms 4, the compressing link mechanisms 4 are uniformly distributed on the fixture chassis 1, and the three compressing link mechanisms 4 work together to achieve the purpose of clamping the product to be processed.

In the present embodiment, the pressing linkages 4 and the positioning linkages 3 are alternately distributed.

In this embodiment, the fixture chassis 1 includes a cavity 5, the movable base 6 and the spindle connector 7 are located in the cavity 5, and the cavity 5 is used for providing the movable base 6 and the spindle connector 7, so as to reduce the space occupied by the deformation-preventing fixture.

This anti-deformation anchor clamps during operation, with location link mechanism 3 and compress tightly link mechanism 4 deepening to the processing product in, main shaft connector 7 promotes the motion of driven connecting axle 8, drives movable base 6 motion, movable base 6 at first drives connecting rod 13 motion, and then drives the motion of locating piece 14, accomplishes the central location action to the product, and movable base 6 drives the motion of compression bar 16 afterwards, and then drives compression block 15 and compress tightly and treat the processing product, and the completion treats the axial positioning of processing product and compresses tightly work.

As above, this utility model's a clamp of preapring for an unfavorable turn of events shape has following beneficial effect: the problem of poor size of a produced part due to rebound deformation of the part after the traditional single clamping and positioning mode of inner support or outer clamp is adopted for production when the thin-wall disc-shaped part is machined by the current numerical control lathe is solved, the machining quality is improved, and the product damage rate caused by the clamping procedure in the machining process is reduced; three-point positioning is adopted, the center of the product to be processed is accurately positioned, and the product to be processed is accurately clamped; the hole roundness of the product to be processed is ensured, the smoothness in the production process of the product is improved, and the production efficiency is improved. Therefore, the utility model overcomes the defects of the prior art and has high industrial utilization value and practical value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a clamp of preapring for an unfavorable turn of events shape which characterized in that: including anchor clamps chassis, drive mechanism, location link mechanism and compress tightly link mechanism, the anchor clamps chassis with drive mechanism connects, drive mechanism with location link mechanism connects, just drive mechanism with it connects to compress tightly link mechanism, drive mechanism includes movable base, main shaft connector, driven connecting axle, spring, gim peg and triangle connecting plate, the main shaft connector with movable base connects, driven connecting axle one end is passed in proper order the anchor clamps chassis with movable base, and with the main shaft connector is connected, gim peg one end is passed in proper order the triangle connecting plate with the spring, and with the driven connecting axle other end is connected.

2. The deformation preventing jig as set forth in claim 1, wherein: the positioning connecting rod mechanism comprises a fixing block, a positioning block and a connecting rod, one end of the connecting rod is connected with the triangular connecting plate, the other end of the connecting rod is connected with the positioning block, and the positioning block is connected with the fixing block.

3. The deformation preventing jig as set forth in claim 1, wherein: the pressing connecting rod mechanism comprises a pressing block, a pressing rod and a connecting block, the connecting block is connected with the clamp chassis, one end of the pressing rod penetrates through the connecting block and the clamp chassis and is connected with the movable base, the other end of the pressing rod is connected with the pressing block, and the pressing block is connected with the connecting block.

4. The deformation preventing jig as set forth in claim 1, wherein: the number of the positioning connecting rod mechanisms is three, and the positioning connecting rod mechanisms are uniformly distributed on the clamp chassis.

5. The deformation preventing jig as set forth in claim 1, wherein: the number of the pressing connecting rod mechanisms is three, and the pressing connecting rod mechanisms are uniformly distributed on the clamp chassis.

6. The deformation preventing jig as set forth in claim 1, wherein: the pressing connecting rod mechanisms and the positioning connecting rod mechanisms are alternately distributed.

7. The deformation preventing jig as set forth in claim 1, wherein: the fixture chassis includes a cavity, the movable base and the spindle connector being located within the cavity.