CN110653631A - A fixture tooling used in three-dimensional workpiece cutting production line - Google Patents

Abstract

The invention relates to a fixture tooling used in a three-dimensional workpiece cutting production line, comprising a tooling platform, a plurality of groups of clamping mechanisms are arranged on the tooling platform, a plurality of clamping blocks for clamping the workpiece are arranged on the clamping mechanism, and the clamping mechanism It includes a support plate arranged on the tooling platform, and a locking mechanism is pivotally connected to one side of the support plate. The locking mechanism includes a turntable pivotally connected to the support plate. A workpiece groove is arranged on the workpiece groove, and a plurality of clamping blocks are arranged on the periphery of the workpiece groove for reciprocating motion relative to the workpiece groove. The invention discloses a clamping device capable of stably clamping a three-dimensional workpiece, which can quickly and effectively perform multi-angle clamping and multi-angle adjustment of multiple vertical surfaces of the workpiece; multi-point positioning clamping.

Description

A fixture tooling used in three-dimensional workpiece cutting production line

technical field

The invention relates to the technical field of mechanical processing, in particular to a mechanical fixture, in particular to a fixture tool used in a three-dimensional workpiece cutting production line.

Background technique

Among the existing patents, the patent name is: a clamping fixture for machine tool column milling (patent number: CN201320675458.8), which discloses a machine tool column milling clamping fixture, which includes a base and a fixed support plate around the base. The base has several top pieces for keeping the workpiece to be machined on the milling working plane, the fixed support plate has several clamp pieces for clamping the workpiece to be machined, and a pressing piece is placed above the workpiece to be machined.

In the prior art, the workpiece is usually clamped and fixed by a pair of oppositely arranged clamps, but for the workpiece of a cylinder, a cube, or a polygonal body, although it can be clamped by a pair of clamps, it cannot be effectively fixed and limited. bit. Especially when cutting a three-dimensional cylindrical workpiece, it is easier to cause the cylindrical or three-dimensional workpiece to be offset after being subjected to external force, resulting in processing displacement, which not only affects the processing accuracy of the product, but even causes the product to be cut and processed. Scrapped due to displacement. At the same time, the posture of the workpiece cannot be adjusted.

Therefore, it is necessary to provide a clamping device that can stably clamp a three-dimensional workpiece, which can quickly and effectively perform multi-angle clamping and multi-angle adjustment of multiple vertical surfaces of the workpiece; multi-point positioning clamping.

SUMMARY OF THE INVENTION

The invention overcomes the deficiencies of the prior art, provides a clamping device that can stably clamp a three-dimensional workpiece, can quickly and effectively perform multi-angle clamping and multi-angle adjustment of multiple vertical surfaces of the workpiece; Different parts of the workpiece are used for multi-point positioning and clamping of the workpiece.

In order to achieve the above purpose, the technical solution adopted in the present invention is: a fixture tooling used in a three-dimensional workpiece cutting production line, comprising a tooling platform, on which a plurality of sets of oppositely arranged clamping mechanisms are arranged. The holding mechanism is provided with several clamping blocks for clamping the workpiece, the clamping mechanism includes a support plate arranged on the tooling platform, a locking mechanism is pivotally connected to one side of the support plate, and the locking mechanism It includes a turntable pivotally connected to the support plate, a limit plate is arranged on the turntable, a workpiece slot is arranged on the connection plate, and a number of reciprocating motions relative to the workpiece slot are arranged on the periphery of the workpiece slot. the clamp block.

In a preferred embodiment of the present invention, the clamping mechanism is provided with a second motor, and the second motor drives the locking mechanism to rotate.

In a preferred embodiment of the present invention, the clamping mechanism is provided with a second motor, the second motor is drivingly connected with a driving gear, the locking mechanism is fixedly connected with a driven gear, and the driven gear is connected with the driving gear against engagement.

In a preferred embodiment of the present invention, the clamping mechanism slidably arranged on one side of the working platform is an active clamping mechanism, and the clamping mechanism fixedly arranged on the other side of the working platform is a driven clamping mechanism.

Specifically, the active clamping mechanism is slidably arranged on the line rail of the tooling platform through a sliding block provided at the bottom. A rack is provided on one side of at least one of the line rails, a motor is provided on the slider, and a gear is drivingly connected to the motor, and the gear meshes with the rack.

In a preferred embodiment of the present invention, a limit plate is arranged on the turntable, a connection plate is arranged between the turntable and the limit plate, and a plurality of arc-shaped clamping grooves are arranged around the periphery of the workpiece groove on the connection plate. A chute corresponding to the arc-shaped card slot is arranged on the limiting plate.

In a preferred embodiment of the present invention, a connecting plate is movably arranged between the turntable on the active clamping mechanism and the limit plate, and a plurality of arc-shaped clamping grooves are arranged around the periphery of the workpiece groove on the connecting plate. The arc-shaped clamping grooves A clamping block for clamping the workpiece is embedded therein, a cylinder is provided on one side of the turntable of the clamping mechanism, and the lifting and shrinking rod of the cylinder is drivingly connected with the connecting plate.

In a preferred embodiment of the present invention, one end of the clamping block passes through the arc-shaped clamping groove, and the other end of the clamping block is embedded in the arc-shaped clamping groove in the connecting plate.

In a preferred embodiment of the present invention, the clamping block is a clamping block, one end of the clamping block is provided with a clamping column, and the clamping column is embedded in the arc-shaped clamping groove; the clamping block The other end of the clamping plate is provided with a clamping plate, and the other end of the clamping plate passes through the chute.

In a preferred embodiment of the present invention, the clamping block is an auxiliary clamping block, the auxiliary clamping block is slidably arranged on the connecting plate, the auxiliary clamping block and the connecting plate are driven and connected through an elastic member, and the connection The side of the plate close to the workpiece groove is pivotally connected with a turning stick.

In a preferred embodiment of the present invention, a support seat is provided on the tooling platform between the two clamping mechanisms, and a side of the support seat abutting against the workpiece is pivotally connected with a turning stick.

The beneficial effects of the fixture tooling used in the three-dimensional workpiece cutting production line according to the above embodiment are:

A clamping device for stably clamping a three-dimensional workpiece, fast and effective multi-angle clamping and multi-angle adjustment of multiple vertical surfaces of the workpiece; and multi-point positioning clamping of the workpiece by clamping different parts of the workpiece hold.

One end of the workpiece is inserted into the workpiece slot of the driven clamping mechanism on the side of the tooling platform, the auxiliary clamping block slidably arranged on the workpiece slot is squeezed and then unfolded outward, and the elastic piece is deformed to clamp the workpiece.

The other end of the workpiece corresponds to the workpiece groove of the active clamping mechanism. A driving gear of the driving motor is rotated to drive the active clamping mechanism to slide on the line rail, so that the end of the workpiece is inserted into the workpiece groove of the active clamping mechanism, and the connection is driven by a cylinder. The rotation of the disc drives the clamping block to move along the arc-shaped clamping groove, thereby driving the clamping block to pass through the clamping plate of the chute on the limit plate to clamp the workpiece.

The driven gear is driven to rotate synchronously by the second motor and the driving gear of the driven clamping mechanism and the active clamping mechanism, and the locking mechanism of the driven clamping mechanism and the active clamping mechanism is driven to rotate at a certain angle, and the angle is adjusted according to the needs of production. Drive the rotation of the second motor.

Thus, the clamping of the workpiece, the adjustment of the cutting surface and the cutting angle are realized.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

1 is a schematic structural diagram of a preferred embodiment of the present invention;

Fig. 2 is the top-view structure schematic diagram of the preferred embodiment of the present invention;

3 is a schematic cross-sectional structural diagram of the H-H portion of FIG. 2 in a preferred embodiment of the present invention;

FIG. 4 is a partially enlarged structural schematic diagram of FIG. 1;

5 is an enlarged schematic structural diagram of a clamping block in a preferred embodiment of the present invention;

In the picture: 1-tooling platform, 11-line rail, 111-slider, 12-rack, 13-motor one, 14-motor two, 141-brake, 142-drive gear, 143-driven gear, 2- Active clamping mechanism, 20-mounting seat, 21-support plate, 22-slewing bearing, 23-connecting plate, 231-arc slot, 24-limiting plate, 25-cylinder, 251- telescopic rod, 252-connection Block, 26- Clamping Block, 261- Clamping Post, 262- Clamping Plate, 263- Boss, 27- Turntable, 3- Driven Clamping Mechanism, 32- Auxiliary Clamping Block, 321- Turning Rod, 4- Workpiece , 5-support seat.

Detailed ways

The present invention will now be further described in detail with reference to the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in FIGS. 1 to 5 , a fixture tooling used in a three-dimensional workpiece cutting production line includes a tooling platform 1, and two sides of the tooling platform 1 are respectively provided with an active clamping mechanism 2 that is slidably arranged on the tooling platform 1. , and the driven clamping mechanism 3 fixedly arranged on the tooling platform 1 . A support base 5 is provided on the tooling platform 1 between the driven clamping mechanism 3 and the active clamping mechanism 2 , and a rotating stick 321 is pivotally connected to one side of the support base 5 abutting against the workpiece 4 .

In a preferred embodiment of the present invention, the active clamping mechanism 2 is slidably arranged on the linear rail 11 of the tooling platform 1 through the sliding block 111 provided at the bottom. A rack 12 is provided on one side of at least one linear rail 1 , a motor one 13 is provided on the slider 111 , a gear is drivingly connected to the motor one 13 , and the gear is meshed with the rack 12 . The active clamping mechanism 2 includes a support plate 21 slidably arranged on the tooling platform 1 , and a locking mechanism is pivotally connected to one side of the support plate 21 . The active clamping mechanism 2 is provided with a second motor 14, and the second motor 14 drives the locking mechanism to rotate. The second motor 14 is drivingly connected with a driving gear 142 , the locking mechanism is fixedly connected with the driven gear 143 , and the driven gear 143 abuts and engages with the driving gear 142 . Specifically, the locking mechanism includes a turntable 27 pivotally connected to the support plate 3, a limit plate 24 is arranged on the turntable 27, a workpiece slot is arranged on the connecting plate 24, and a number of reciprocating relative workpiece slots are arranged on the periphery of the workpiece slot. Movement clamps.

More specifically, a limit plate 24 is arranged on the turntable 27, a connection plate 23 is arranged between the turntable 27 and the limit plate 24, and a plurality of arc-shaped slots 231 are arranged on the connection plate 23 around the periphery of the workpiece groove. The limit plate 24 A sliding slot 241 corresponding to the arc-shaped slot 231 is provided thereon. A connecting plate 23 is movably arranged between the turntable 27 on the active clamping mechanism 2 and the limit plate 24. The connecting plate 23 is provided with a number of arc-shaped clamping slots 231 around the periphery of the workpiece groove. A cylinder 23 is provided on one side of the turntable 27 of the clamping mechanism 2 for the clamping block for clamping the workpiece 4 , and the elevating rod 231 of the cylinder 23 is drivingly connected with the connecting plate 23 . One end of the clamping block is provided with an arc-shaped slot 231 , and the other end of the clamping block is embedded in the arc-shaped slot 231 in the connecting plate 23 .

Further, in a preferred embodiment of the present invention, the clamping block of the active clamping mechanism 2 is the clamping block 26 , one end of the clamping block 26 is provided with a clamping column 261 , and the clamping column 261 is embedded in the arc-shaped clamping slot 231 . The other end of the clamping block 26 is provided with a clamping plate 262, and the other end of the clamping plate 262 is provided with a chute 241.

In a preferred embodiment of the present invention, the driven clamping mechanism 3 includes a support plate 21 fixedly arranged on the tooling platform 1 , and a locking mechanism is pivotally connected to one side of the support plate 21 . The active clamping mechanism 2 is provided with a second motor 14, and the second motor 14 drives the locking mechanism to rotate. The second motor 14 is drivingly connected with a driving gear 142 , the locking mechanism is fixedly connected with the driven gear 143 , and the driven gear 143 abuts and engages with the driving gear 142 . Specifically, the locking mechanism includes a turntable 27 pivotally connected to the support plate 3, a limit plate 24 is arranged on the turntable 27, a workpiece slot is arranged on the connecting plate 24, and a number of reciprocating relative workpiece slots are arranged on the periphery of the workpiece slot. Movement clamps. Specifically, the clamping block of the driven clamping mechanism 3 is the auxiliary clamping block 32 . The auxiliary clamping block 32 is slidably arranged on the connecting plate 23 . A rotating roller 321 is pivotally connected to one side close to the workpiece slot.

The working principle of the present invention:

First, confirm the size of the workpiece 4 to be processed. The workpiece 4 can be a round tubular steel or a square tubular steel, but it is not limited to this.

The distance between the driven clamping mechanism 3 and the active clamping mechanism 2 is adjusted according to the size of the workpiece 4 . The motor-13 set on the active clamping mechanism 2 drives the connected gear to mesh with the rack 12 on one side of the line rail 11, and the motor-13 set on the active clamping mechanism 2 drives the gear to rotate, driving the active clamping mechanism 2 to line the wire. Slide on the rail 11, travel to the required position, and adjust the distance between the driven clamping mechanism 3 and the active clamping mechanism 2.

Then, the workpiece 4 is suspended and placed between the driven clamping mechanism 3 and the active clamping mechanism 2 . A support base 5 is provided on the tooling platform 1 between the driven clamping mechanism 3 and the active clamping mechanism 2 , and a rotating stick 321 is pivotally connected to one side of the support base 5 against the workpiece 4 for supporting the workpiece 4 .

One end of the workpiece 4 is inserted into the workpiece slot of the driven clamping mechanism 3 on the side of the tooling platform 1 , the auxiliary clamping block 32 slidably arranged on the workpiece slot is squeezed and then spreads out, and the elastic piece is deformed to clamp the workpiece 4 .

The other end of the workpiece 4 corresponds to the workpiece slot of the active clamping mechanism 2. The drive motor 13 drives the gear to rotate, and drives the active clamping mechanism 2 to slide on the line rail 11, so that the end of the workpiece 4 is inserted into the workpiece of the active clamping mechanism 2. In the groove, the cylinder 25 is used to drive the connecting plate 23 to rotate and drive the clamping block 26 to move along the arc-shaped slot 231, thereby driving the clamping block 26 to pass through the clamping plate 262 of the chute 241 on the limit plate 24 to clamp the workpiece. 4.

The driven gear 143 is driven to rotate synchronously by the second motor 13 and the drive gear 142 of the driven clamping mechanism 3 and the active clamping mechanism 2, and the locking mechanism of the driven clamping mechanism 3 and the active clamping mechanism 2 is driven to rotate by a certain angle, The adjustment of the angle drives the rotation of the second motor 13 according to production requirements.

Thus, the clamping, cutting surface and cutting angle of the workpiece 4 can be adjusted.

The ideal embodiments of the present invention are inspired by the above, and relevant persons can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (10)

1. A fixture tooling used in a three-dimensional workpiece cutting production line, comprising a tooling platform (1), on which several sets of oppositely arranged clamping mechanisms are arranged, and several clamping mechanisms are arranged on the clamping mechanism. a clamping block for clamping the workpiece (4), characterized in that: the clamping mechanism comprises a support plate (21) arranged on the tooling platform (1), and the support plate (21) pivots on one side A locking mechanism is connected, the locking mechanism includes a turntable (27) pivotally connected to the support plate (3), a limit plate (24) is arranged on the turntable (27), and the limit board (24) A workpiece groove is provided on the workpiece groove, and a plurality of the clamping blocks reciprocating relative to the workpiece groove are arranged on the periphery of the workpiece groove. 2. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 1, wherein the clamping mechanism is provided with a second motor (14), and the second motor (14) drives the locking mechanism turn. 3. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 2, wherein the second motor (14) is drivingly connected with a driving gear (142), and the locking mechanism is connected with the driven gear (143) is fixedly connected, and the driven gear (143) is in abutting engagement with the driving gear (142). 4. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 1, characterized in that: the clamping mechanism slidingly arranged on one side of the tooling platform (1) is an active clamping mechanism (2), which is fixedly set The clamping mechanism on the other side of the tooling platform (1) is a driven clamping mechanism (3). 5. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 1, wherein a limit plate (24) is provided on the turntable (27), the turntable (27) and the limit plate A connecting plate (23) is arranged between (24), a plurality of arc-shaped clamping grooves (231) are arranged on the connecting plate (23) around the periphery of the workpiece groove, and the limiting plate (24) is provided with corresponding arcs The chute (241) of the shaped card slot (231). 6. The fixture tooling used in the three-dimensional workpiece cutting production line according to claim 4, characterized in that: there is movement between the turntable (27) on the active clamping mechanism (2) and the limit plate (24) A connecting plate (23) is provided, and a plurality of arc-shaped clamping grooves (231) are arranged on the connecting plate (23) around the periphery of the workpiece groove. A cylinder (23) is provided on one side of the turntable (27) of the clamping mechanism (2), and the lifting and shrinking rod (231) of the cylinder (23) is drivingly connected with the connecting plate (23). 7. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 6, wherein the arc-shaped slot (231) is pierced through one end of the clamping block, and the other side of the clamping block is One end is embedded in the arc slot (231) in the connection plate (23). 8. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 7, wherein the clamping block is a clamping block (26), and one end of the clamping block (26) is provided with a clamp A column (261), the clamping column (261) is embedded in the arc-shaped clamping groove (231); the other end of the clamping block (26) is provided with a clamping plate (262), the The other end of the clamping plate (262) passes through the chute (241). 9. The fixture tooling for a three-dimensional workpiece cutting production line according to claim 1, wherein: or/and the clamping block is an auxiliary clamping block (32), and the auxiliary clamping block (32) is slidably arranged On the connecting plate (23), the auxiliary clamping block (32) and the connecting plate (23) are drivingly connected through an elastic member, and the connecting plate (23) is pivotally connected to the side of the connecting plate (23) close to the workpiece slot. Turn the stick (321). 10. The fixture tooling used in the three-dimensional workpiece cutting production line according to claim 1, characterized in that: a support seat (5) is provided on the tooling platform (1) between the two clamping mechanisms, so A rotating stick (321) is pivotally connected to one side of the support base (5) abutting against the workpiece (4).

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