CN217859665U

CN217859665U - Stamping part clamp capable of being accurately positioned and clamped in two directions

Info

Publication number: CN217859665U
Application number: CN202221937680.6U
Authority: CN
Inventors: 李奇伟; 白雪; 陈金超; 解天宇; 卢铁峰; 朱诚; 陈喜铎; 李华君; 刘野
Original assignee: Kokinetics Shenyang Co ltd
Current assignee: Kokinetics Shenyang Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-22
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a can accurate positioning and two-way tight stamping workpiece anchor clamps of clamp, solve the compressing tightly that prior art exists and fix a position the existence offset, cause the fluctuation of welding back stamping workpiece mounted position, influence the holistic assembly effect of car, the work piece installation with get the inconvenient problem of putting. The fixture comprises a fixture frame body, wherein symmetrically arranged positioning ejection mechanisms are arranged in the middle of the fixture frame body, each positioning ejection mechanism comprises an adapter connected with the fixture frame body, an air cylinder fixing seat is arranged on each adapter, a vertically arranged positioning telescopic air cylinder is arranged on each air cylinder fixing seat, and a positioning penetrating pin is arranged at a telescopic end of the upper part of each positioning telescopic air cylinder; one end of the clamp frame body is provided with an overturning and pressing mechanism, and two sides of the clamp frame body are respectively provided with a plurality of groups of lateral clamping mechanisms. The workpiece clamping and positioning device is reasonable in design, compact in structure, capable of accurately positioning, capable of clamping workpieces in a bidirectional and lateral mode, stable in clamping and positioning position, capable of achieving ejection function, convenient for installation and taking and placing of the workpieces and high in operation efficiency.

Description

Stamping part clamp capable of being accurately positioned and clamped in two directions

Technical Field

The utility model belongs to the technical field of welding jig, concretely relates to can the accurate positioning to can carry out two-way, side direction clamp to the work piece and press from both sides tightly, press from both sides the stable position of tight location, have ejecting function, the installation of the work piece of being convenient for and get and put, but the accurate positioning that operating efficiency is high and two-way tight stamping workpiece anchor clamps of clamp.

Background

Metal parts in the automobile mainly comprise stamping parts, steel wires and standard parts, and the related assembly parts of the automobile are mostly installed by taking the stamping parts as an assembly main body, so that the overall assembly effect of the automobile can be influenced by the positioning mode and the positioning precision in the welding process of the stamping parts. The existing stamping part clamps usually adopt a structural form that is directly clamped by a cylinder, namely: the cylinder direct contact stamping workpiece compresses tightly or fixes a position, because the space that the cylinder occupied is great, often causes the stamping workpiece to be too close to the cylinder and influences the problem of assembly and getting a piece. In addition, because the cylinder shaft of the existing structure can generate a certain amount of shaking when being pressed and positioned, the identity of pressing and positioning at each time cannot be ensured, and positioning deviation exists, so that the fluctuation of the installation position of the stamping part after welding is caused. There is a need for an improved prior art stamping fixture apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to above-mentioned problem, provide one kind can the accurate positioning to can carry out two-way, the side direction is pressed from both sides tightly to the work piece, and the position that presss from both sides tight location is stable, has ejecting function, the installation of the work piece of being convenient for and gets and put, but the accurate positioning that operating efficiency is high and two-way tight stamping workpiece anchor clamps of clamp.

The utility model adopts the technical proposal that: this but stamping workpiece anchor clamps of accurate positioning and two-way clamp include the anchor clamps support body, its characterized in that: the middle part of the clamp frame body is provided with symmetrically arranged positioning ejection mechanisms, each positioning ejection mechanism comprises an adapter connected with the clamp frame body, a cylinder fixing seat is arranged on each adapter, a vertically arranged positioning telescopic cylinder is arranged on each cylinder fixing seat, and a positioning penetrating pin is arranged at a telescopic end of the upper part of each positioning telescopic cylinder; and one end of the clamp frame body is also provided with an overturning and pressing mechanism, and the two sides of the clamp frame body are respectively provided with a plurality of groups of lateral clamping mechanisms.

The overturning and pressing mechanism comprises two groups of symmetrically arranged supporting seats, pressing fixed seats are respectively arranged on the supporting seats, two groups of transversely arranged pressing swinging arms are symmetrically arranged on the pressing fixed seats on the two sides, and the middle parts of the pressing swinging arms are hinged with the upper ends of the pressing fixed seats; the inner ends of the two groups of pressing swing arms are respectively hinged with the two ends of the swing arm driving connecting body in the middle, and the lower sides of the outer ends of the pressing swing arms are respectively provided with a pressing block; and a vertically arranged jacking hydraulic cylinder is arranged between the two groups of symmetrically arranged supporting seats, and the telescopic end on the upper part of the jacking hydraulic cylinder is hinged with the middle part of the swing arm driving connecting body. In order to utilize the flexible swing arm drive connector up-and-down motion that orders about of jacking pneumatic cylinder, and then drive the swing arm that compresses tightly of both sides round compressing tightly the reciprocating swing of the pin joint of fixing base upper end, convert the straight pushing movement of jacking pneumatic cylinder into two-way clamp tightly, realize that the upset of counterpunching spare tip compresses tightly.

And a jacking limiting block is arranged above the swing arm driving connecting body. The position of the swing arm driving connecting body moving upwards is limited through the jacking limiting block, so that the positions of the two sides of the swing arm pressing downwards swing are controlled, and the pressing force is convenient to adjust.

The lateral clamping mechanism comprises a swing arm hinge seat arranged on the side part of the clamp frame body, a clamping swing arm arranged vertically is arranged on the swing arm hinge seat, the middle part of the clamping swing arm is hinged with the swing arm hinge seat through a hinge rotating shaft, the lower end of the clamping swing arm is hinged with the telescopic end of a lateral telescopic cylinder arranged transversely, and the fixed end of the lateral telescopic cylinder is hinged with a fixed cylinder connecting support; the upper end of the clamping swing arm is also provided with a clamping block. The lateral telescopic cylinder is used for transversely stretching to drive the clamping swing arm to swing back and forth around the hinged rotating shaft on the swing arm hinged seat, and then the clamping block at the upper end of the clamping swing arm clamps the side of the stamping part.

The clamping swing arm is characterized in that the clamping block arranged on the clamping swing arm is of an L-shaped structure, the end part of one folded edge of the clamping block is fixedly connected with the upper end of the clamping swing arm, and the other folded edge of the clamping block faces to a stamping part in the middle. The contact area between the clamping block and the side part of the stamping part is increased through the clamping block with the L-shaped structure, and the clamping effect of the lateral clamping mechanism is ensured.

The utility model has the advantages that: because the utility model adopts the fixture frame body, the middle part of the fixture frame body is provided with the symmetrically arranged positioning ejection mechanisms, the positioning ejection mechanisms comprise the adapter connected with the fixture frame body, the adapter is provided with the cylinder fixing seat, the cylinder fixing seat is provided with the vertically arranged positioning telescopic cylinder, and the telescopic end at the upper part of the positioning telescopic cylinder is provided with the positioning through pin; the one end of anchor clamps support body is provided with upset hold-down mechanism, and the both sides of anchor clamps support body set up a plurality of groups lateral clamping mechanism's structural style respectively, so its reasonable in design, compact structure can the accurate positioning to can carry out two-way, lateral clamping to the work piece, the position of pressing from both sides tight location is stable, and has ejecting function, the installation of the work piece of being convenient for and getting and put, the operating efficiency is high, uses safe and reliable, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a structure of the turning and pressing mechanism in fig. 1.

Fig. 3 is a schematic structural view of the positioning ejection mechanism in fig. 1.

Fig. 4 is a schematic view of a structure of the lateral clamping mechanism of fig. 1.

The sequence numbers in the figures illustrate: the automatic lifting device comprises a clamp frame body 1, a turnover pressing mechanism 2, a positioning ejection mechanism 3, a lateral clamping mechanism 4, a supporting seat 5, a pressing fixing seat 6, a pressing swing arm 7, a pressing block 8, a swing arm driving connecting body 9, a lifting hydraulic cylinder 10, a lifting limiting block 11, an adapter seat 12, a cylinder fixing seat 13, a telescopic cylinder 14, a positioning penetrating pin 15, a swing arm hinge seat 16, a clamping swing arm 17, a hinge rotating shaft 18, a clamping block 19, a lateral telescopic cylinder 20 and a cylinder connecting support 21.

Detailed Description

The specific structure of the present invention will be described in detail with reference to fig. 1 to 4. The stamping part fixture capable of accurately positioning and bidirectionally clamping comprises a fixture frame body 1, wherein the middle part of the fixture frame body 1 is provided with symmetrically arranged positioning ejection mechanisms 3, the positioning ejection mechanisms 3 of the fixture frame body 1 are composed of adapter seats 12, the adapter seats 12 are connected with the fixture frame body 1, and the adapter seats 12 are provided with cylinder fixing seats 13; a positioning telescopic cylinder 14 which is vertically arranged is arranged on the cylinder fixing seat 13, and a positioning penetrating pin 15 is arranged at the telescopic end of the upper part of the positioning telescopic cylinder 14; so as to accurately position the stamping part placed on the fixture frame body 1 through the positioning through pin 15; and the positioning penetrating pin 15 is driven to lift by utilizing the stretching of the positioning telescopic cylinder 14, so that the loading and unloading of the stamping part are facilitated, the manual workpiece taking operation is replaced, and the working efficiency and the operation safety are improved.

One end of the fixture support body 1 is provided with a turning hold-down mechanism 2, the turning hold-down mechanism 2 comprises two groups of symmetrically arranged supporting seats 5, and the supporting seats 5 are respectively provided with a pressing fixing seat 6. Two groups of transversely arranged pressing swing arms 7 are symmetrically arranged on the pressing fixing seats 6 on the two sides, and the middle parts of the pressing swing arms 7 are hinged with the upper ends of the pressing fixing seats 6. The inner ends of the two groups of pressing swing arms 7, which face the middle parts of the two groups of supporting seats 5, are respectively hinged with the two ends of a swing arm driving connecting body 9 in the middle part; and the lower sides of the outer ends of the two groups of pressing swing arms 7 are respectively provided with a pressing block 8. Between two sets of symmetrical arrangement's supporting seat 5, still be provided with vertical arrangement's jacking pneumatic cylinder 10, the flexible end on jacking pneumatic cylinder 10 upper portion is articulated mutually with the middle part of swing arm drive connector 9 downside. Thereby, utilize the flexible swing arm drive connector 9 upper and lower motion of ordering about of jacking pneumatic cylinder 10, and then drive the swing arm 7 that compresses tightly of both sides round the pin joint reciprocating swing who compresses tightly 6 upper ends of fixing base, convert the straight pushing movement of jacking pneumatic cylinder 10 into two-way clamp tightly to the realization compresses tightly two-way, the upset of stamping part tip. In addition, in order to facilitate the adjustment of the compression force, a jacking limiting block 11 is arranged above the swing arm driving connecting body 9; so as to limit the upward movement position of the swing arm driving connecting body 9 through the jacking limiting block 11, and further control the downward swinging pressing position of the pressing swing arms 7 on the two sides.

Meanwhile, two sides of the clamp frame body 1 are respectively provided with three groups of lateral clamping mechanisms 4. The lateral clamping mechanism 4 comprises a swing arm hinge base 16 fixedly arranged on the side part of the clamp frame body 1, a clamping swing arm 17 vertically arranged is arranged on the swing arm hinge base 16, and the middle part of the clamping swing arm 17 is hinged with the swing arm hinge base 16 through a hinge rotating shaft 18; the lower end of the clamping swing arm 17 is hinged with the telescopic end of a lateral telescopic cylinder 20 which is transversely arranged, and the fixed end of the lateral telescopic cylinder 20 is hinged with a fixed cylinder connecting support 21; thus, the lateral telescopic cylinder 20 is used for driving the clamping swing arm 17 to swing back and forth around the hinge rotating shaft 18 on the swing arm hinge seat 16, so as to clamp the side part of the stamping part through the clamping block 19 at the upper end of the clamping swing arm 17.

The upper ends of the clamping swing arms 17 of the lateral clamping mechanisms 4 are respectively provided with a clamping block 19, and the clamping blocks 19 adopt an L-shaped structure. The end part of one folded edge of the clamping block 19 with the L-shaped structure is fixedly connected with the upper end of the clamping swing arm 17; the other folded edge of the clamping block 19 faces the stamping part in the middle; further, the contact area between the clamp block 19 and the side portion of the workpiece is increased by the clamp block 19 having the L-shaped structure, so that the clamping effect of the side clamp mechanism 4 is further ensured.

When this stamping workpiece anchor clamps that can pinpoint and two-way clamp tightly use, at first, place the stamping workpiece on anchor clamps support body 1, then, wear round pin 15 to carry out accurate location to the stamping workpiece of placing on anchor clamps support body 1 through the location of location ejection mechanism 3. Afterwards, the swing arm driving connecting body 9 is driven to move upwards by the telescopic of the jacking hydraulic cylinder 10 of the turnover pressing mechanism 2, and then the pressing swing arms 7 on two sides are driven to swing downwards around the hinged point at the upper end of the pressing fixing seat 6, so that the end part of the pressing piece is turned and pressed. Meanwhile, the lateral telescopic cylinders 20 of the lateral clamping mechanisms 4 on the two sides transversely extend to drive the clamping swing arm 17 to respectively swing towards the middle part and towards the inner side of the stamping part around the hinge rotating shaft 18 on the swing arm hinge base 16, and then the side part of the stamping part is clamped through an L-shaped clamping block 19 at the upper end of the clamping swing arm 17. After the welding of the stamping parts is finished, the positioning penetrating pin 15 is driven to ascend by utilizing the expansion of the positioning telescopic cylinder 14 of the positioning ejection mechanism 3, so that the stamping parts are convenient to assemble and disassemble, and the operation efficiency is improved.

Claims

1. The utility model provides a but accurate positioning and two-way tight stamping workpiece anchor clamps of clamp, includes anchor clamps support body (1), its characterized in that: the middle part of the fixture frame body (1) is provided with symmetrically arranged positioning ejection mechanisms (3), each positioning ejection mechanism (3) comprises an adapter (12) connected with the fixture frame body (1), a cylinder fixing seat (13) is arranged on each adapter (12), a positioning telescopic cylinder (14) is vertically arranged on each cylinder fixing seat (13), and a positioning penetrating pin (15) is arranged at the telescopic end of the upper part of each positioning telescopic cylinder (14); one end of the fixture frame body (1) is further provided with an overturning and pressing mechanism (2), and the two sides of the fixture frame body (1) are respectively provided with a plurality of groups of lateral clamping mechanisms (4).

2. A precisely positionable and bi-directionally clampable stamping fixture as defined in claim 1, wherein: the overturning pressing mechanism (2) comprises two groups of symmetrically arranged supporting seats (5), pressing fixed seats (6) are respectively arranged on the supporting seats (5), two groups of transversely arranged pressing swinging arms (7) are symmetrically arranged on the pressing fixed seats (6) at two sides, and the middle parts of the pressing swinging arms (7) are hinged with the upper ends of the pressing fixed seats (6); the inner ends of the two groups of pressing swing arms (7) are respectively hinged with the two ends of a swing arm driving connecting body (9) in the middle, and the lower sides of the outer ends of the pressing swing arms (7) are respectively provided with a pressing block (8); and vertically arranged jacking hydraulic cylinders (10) are arranged between the two groups of symmetrically arranged supporting seats (5), and the telescopic ends on the upper parts of the jacking hydraulic cylinders (10) are hinged with the middle parts of the swing arm driving connecting bodies (9).

3. A precisely positionable and bidirectionally clampable stamping fixture as defined in claim 2, wherein: and a jacking limiting block (11) is arranged above the swing arm driving connecting body (9).

4. A precisely positionable and bidirectionally clampable stamping fixture as defined in claim 1, wherein: the lateral clamping mechanism (4) comprises a swing arm hinge seat (16) arranged on the lateral part of the clamp frame body (1), a clamping swing arm (17) which is vertically arranged is arranged on the swing arm hinge seat (16), the middle part of the clamping swing arm (17) is hinged with the swing arm hinge seat (16) through a hinge rotating shaft (18), the lower end of the clamping swing arm (17) is hinged with the telescopic end of a lateral telescopic cylinder (20) which is transversely arranged, and the fixed end of the lateral telescopic cylinder (20) is hinged with a fixed cylinder connecting support (21); the upper end of the clamping swing arm (17) is also provided with a clamping block (19).

5. A precisely positionable and bi-directionally clampable stamping fixture as defined in claim 4, wherein: the clamping swing arm (17) is provided with a clamping block (19) which is of an L-shaped structure, the end part of one folded edge of the clamping block (19) is fixedly connected with the upper end of the clamping swing arm (17), and the other folded edge of the clamping block (19) faces to a stamping part in the middle.