Tool clamp capable of automatically rebounding

Abstract

The utility model discloses an automatic springback work fixture, which relates to the technical field of work fixtures and comprises a base, a clamping strip, a clamping head and a horizontal reciprocating springback adjusting component. According to the utility model, the clamping strip can normally slide on the top of the base, the clamping heads can move along with the clamping strip, and the two clamping heads are matched to clamp the electric connector; when the electric connector is placed between the two clamping heads, the clamping heads drive the lead screw nuts to horizontally move and slide through the connecting rods, when the two lead screw nuts horizontally slide, the ball screw can be driven to rotate, and the ball screw drives the contraction coil spring to conduct compression treatment. Under the elastic support of the contraction coil spring, the electric connector is elastically clamped and fixed; when the electric connector is taken out from the position between the two clamping heads, the contraction coil spring rebounds to drive the ball screw to rotate in the opposite direction, the two lead screw nuts drive the clamping strips and the clamping heads to rebound and reset through the connecting rods, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling fixture technical field, concretely is a kind of tooling fixture of automatic rebound. BACKGROUND

[0002] Electronic connector is also often called circuit connector, mainly used to bridge two conductors on a circuit, so that current or signal can flow from one conductor to another conductor. Electronic connector is used to complete the electrical connection between circuit or electronic machine and other elements, which is called connector, i.e. the bridge between the two. Electronic connector includes multiple components, and the termination mode of electrical connector is usually welding, crimping, winding, piercing connection, screw connection, etc.

[0003] Patent (CN220306684U) discloses a crimping device for electrical connector, comprising: a crimping head, the crimping head includes at least one set of crimping protrusions, each set of crimping protrusions includes at least one crimping protrusion; and a base, the electrical connector is placed on the base to face the crimping protrusion. The crimping device is configured to be actuated to drive the crimping head to move towards the base to a predetermined position, at which the crimping protrusion can apply pressure to the electrical wire placed in the electrical connector to crimp it to the electrical connector. The utility model also relates to a crimping machine comprising the above-mentioned crimping device. The crimping device of the utility model has simple structure, convenient replacement, high customization, can reduce the unexpected damage to the electrical connector and the electrical wire sheath during crimping process, thereby improving the crimping quality and efficiency, and reducing the rework rate of crimping products.

[0004] The crimping device for electrical connector in the above-mentioned patent document only places the electrical connector inside the groove of the base, and does not provide a tooling fixture for the electrical connector, so it can only crimp the same size and specification of electrical connector, which is not suitable. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a tooling fixture with automatic rebound to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a tooling fixture with automatic rebound, comprising a base, the base top two sides are symmetrically provided with slidingly connected clamping strips, the outer wall of two clamping strips is provided with clamping head on adjacent side, the base is internally provided with horizontal reciprocating rebound adjusting assembly, the clamping strip is connected with the output end of horizontal reciprocating rebound adjusting assembly, and the base is arranged inside the press-fitting assembly.

[0007] Further, the pressing assembly comprises a bottom plate, a pressing plate and a plurality of guide columns, the pressing plate is arranged above the bottom plate, the bottom of the guide column is fixedly connected with the top of the bottom plate, the guide column penetrates through and extends above the pressing plate, and the base is arranged between the two guide columns.

[0008] Further, the outer wall of the guide column movably matches a linear bearing, the linear bearing is fixedly connected with the pressing plate, the outer wall of the guide column is sleeved with a spring, the top of the spring is fixedly connected with the bottom of the pressing plate, and the bottom of the spring is fixedly connected with the top of the bottom plate.

[0009] Further, the horizontal reciprocating rebound adjusting assembly comprises a ball screw, the ball screw is rotatably arranged in the base, the outer wall of the ball screw is symmetrically sleeved with a contraction coil spring at both ends, the outer wall of the ball screw is symmetrically matched with a screw nut between the two contraction coil springs, the top of the screw nut is provided with a connecting rod, and the bottom of the two clamping strips is fixedly connected with the top of the two connecting rods.

[0010] Further, the base is internally provided with a first cavity matched with the ball screw and the screw nut, one end of the contraction coil spring is fixedly connected with the outer wall of the ball screw, the other end of the contraction coil spring is fixedly connected with the inner wall of the first cavity, the top of the base is provided with a second cavity matched with the connecting rod, and the first cavity and the second cavity are communicated.

[0011] Further, the outer wall of the two clamping heads is provided with a clamping groove on one side adjacent to the other, and the outer wall of the clamping head is provided with a guide groove on the top of the clamping groove.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] The utility model discloses a base, clamping strip, clamping head, horizontal reciprocating rebound adjusting assembly are set up, and clamping strip can slide normally on the top of base, and clamping head can move along with clamping strip, and two clamping heads cooperate and hold the electric connector, and horizontal reciprocating rebound adjusting assembly can adjust two clamping heads horizontally reciprocating, so that two clamping heads can hold and fix the electric connector of different specifications size, and it is convenient for subsequent pressure equipment operation processing to the electric connector, and after the electric connector is taken down between two clamping heads, two clamping heads are automatically rebounded under the support of horizontal reciprocating rebound adjusting assembly, and it is convenient for subsequent clamping operation to other electric connectors, when the electric connector is placed between two clamping heads, and the electric connector opens two clamping heads, and two clamping heads slide along the center of base to the outside, and the clamping head is driven the screw nut to slide through the connecting rod, and when two screw nuts slide horizontally, can drive the ball screw to rotate, and the ball screw drives the compression spring to compress, and realizes the elastic clamping and fixing processing to the electric connector under the elastic support of the compression spring, when the electric connector is taken out between two clamping heads, the compression spring is rebounded, and the compression spring drives the ball screw to rotate in the opposite direction, and two screw nuts drive the clamping strip to reset through the connecting rod, and then drive the clamping head to reset, convenient and fast operation.

[0014] In the utility model, the bottom plate supports the base bottom, the pressing plate is above the bottom plate and carries out the pressure equipment processing to the electric connector clamped on the base, the guide column guides the pressing plate, makes the pressing plate move stably downward, guarantees the pressure equipment flatness of the pressing plate to the electric connector, guarantees the pressure equipment processing effect, the linear bearing carries out the linear guide processing between the guide column and the pressing plate, can effectively improve the safety and stability of the pressing plate up and down movement, the spring carries out the elastic support between the pressing plate and the bottom plate on the outer wall of the guide column, so that after losing the pressure effect of the pressing plate, can carry out the automatic rebound, and the operation is more convenient. ACCREDITATION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0016] Figure 1 It is the structure schematic drawing of the utility model whole;

[0017] Figure 2 It is the structure schematic drawing of the utility model horizontal reciprocating rebound adjusting assembly and clamping strip;

[0018] Figure 3 It is the utility model Figure 2 Another angle structure schematic drawing;

[0019] Figure 4 is the main view sectional view of the clamping strip and the clamping head of the utility model;

[0020] In the figure: 1, base; 2, clamping strip; 3, clamping head; 301, clamping groove; 302, guide groove; 4, horizontal reciprocating rebound adjusting assembly; 401, ball screw; 402, contraction coil spring; 403, screw nut; 404, connecting rod; 5, press fitting assembly; 501, bottom plate; 502, pressing plate; 503, guide column; 504, linear bearing; 505, spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides technical scheme: an automatic rebound's tool fixture, including base 1, the base 1 top two sides symmetry is equipped with the sliding connection's clamping strip 2, two clamping strip 2 outer wall adjacent side is equipped with clamping head 3, the base 1 inside is equipped with horizontal reciprocating rebound adjusting assembly 4, clamping strip 2 with horizontal reciprocating rebound adjusting assembly 4's output end connection, the base 1 is located in press fitting assembly 5 inside, horizontal reciprocating rebound adjusting assembly 4 includes ball screw 401, ball screw 401 rotates and is located in the base 1 inside, ball screw 401 outer wall both ends symmetry is equipped with contraction coil spring 402, ball screw 401 outer wall between two contraction coil springs 402 symmetry is matched with the sleeve of screw nut 403, screw nut 403 top is equipped with connecting rod 404, two connecting rod 404 top is fixedly connected with two clamping strip 2 bottom respectively, two clamping head 3 outer wall adjacent side is equipped with clamping groove 301, clamping head 3 outer wall top is inclined and is equipped with guide groove 302 in clamping groove 301 top.

[0023] In one embodiment, the press-fitting assembly 5 comprises a bottom plate 501, a press plate 502 arranged above the bottom plate 501, and a plurality of guide columns 503, the bottom of the guide column 503 is fixedly connected to the top of the bottom plate 501, the guide column 503 penetrates through and extends above the press plate 502, the base 1 is arranged between two guide columns 503, the bottom plate 501 supports the bottom of the base 1, the press plate 502 is arranged above the bottom plate 501 and presses the electrical connector clamped on the base 1, the guide column 503 guides the press plate 502 to move stably downward, ensures the flatness of the press-fitting of the press plate 502 to the electrical connector, and ensures the press-fitting effect.

[0024] In one embodiment, the outer wall of the guide column 503 movably matches a linear bearing 504, the linear bearing 504 is fixedly connected to the press plate 502, the outer wall of the guide column 503 is sleeved with a spring 505, the top of the spring 505 is fixedly connected to the bottom of the press plate 502, and the bottom of the spring 505 is fixedly connected to the top of the bottom plate 501, the linear bearing 504 linearly guides between the guide column 503 and the press plate 502, which can effectively improve the safety and stability of the upward and downward movement of the press plate 502, and the spring 505 elastically supports between the press plate 502 and the bottom plate 501, so that the press plate 502 can automatically rebound after losing the pressure effect, and the operation is more convenient.

[0025] In one embodiment, the base 1 is internally provided with a first cavity matched with the ball screw 401 and the screw nut 403, one end of the contraction coil spring 402 is fixedly connected to the outer wall of the ball screw 401, the other end of the contraction coil spring 402 is fixedly connected to the inner wall of the first cavity, the top of the base 1 is provided with a second cavity matched with the connecting rod 404, and the first cavity and the second cavity are through; the first cavity provides mounting and movement space for the ball screw 401 and the screw nut 403, so as to ensure the normal movement of the ball screw 401 and the screw nut 403, and the second cavity provides movement space for the connecting rod 404, so as to ensure the normal transmission between the connecting rod 404 and the clamping strip 2.

[0026] The working principle of the utility model:

[0027] Refer to the description attached Figures 1-4The utility model discloses a base 1, clamping strip 2, clamping head 3, horizontal reciprocating rebound adjusting assembly 4 are set up, and the base 1 supports clamping strip 2, makes clamping strip 2 can normally slide on the top of base 1, and clamping head 3 can move along with clamping strip 2, and two clamping head 3 cooperate and hold the processing to electric connector, and horizontal reciprocating rebound adjusting assembly 4 can be adjusted to two clamping head 3 horizontally reciprocating, makes two clamping head 3 can hold the fixing of electric connector of different specifications size, is convenient for subsequent pressure equipment operation processing to electric connector, and after electric connector is taken down between two clamping head 3, two clamping head 3 are supported under horizontal reciprocating rebound adjusting assembly 4 and carry out automatic rebound, and it is convenient for subsequent clamping operation to other electric connector again,

[0028] The ball screw 401 in horizontal reciprocating rebound adjusting assembly 4 supports the screw nut 403, and the contraction coil spring 402 is compressed and rebounds along with the rotation of the ball screw 401, when the ball screw 401 rotates in one direction, the contraction coil spring 402 is compressed, and when the ball screw 401 rotates in the opposite direction, the contraction coil spring 402 rebounds, and the rotation of the ball screw 401 can drive the two screw nuts 403 to move horizontally and reciprocally, the two screw nuts 403 drive the clamping strip 2 to move horizontally and reciprocally through the connecting rod 404, the clamping strip 2 drives the clamping head 3 to move horizontally and reciprocally, and the two clamping heads 3 hold and fix the electric connector; similarly, when the electric connector is placed between the two clamping heads 3, the electric connector pushes the two clamping heads 3 apart, the two clamping heads 3 slide outward along the center of the base 1, the clamping head 3 drives the screw nut 403 to slide through the connecting rod 404, and when the two screw nuts 403 slide horizontally, they can drive the ball screw 401 to rotate, the two screw nuts 403 are symmetrically arranged, and the horizontal movement directions of the two screw nuts 403 are opposite, so that when the two screw nuts 403 act on the surface of the ball screw 401, the directions of the forces of the two screw nuts 403 on the ball screw 401 are consistent, the ball screw 401 rotates in one direction, and the ball screw 401 drives the contraction coil spring 402 to compress, and the elastic clamping and fixing of the electric connector are realized under the support of the contraction coil spring 402;

[0029] When the electric connector is taken out from between the two clamping heads 3, the contraction coil spring 402 rebounds, the contraction coil spring 402 drives the ball screw 401 to rotate in the opposite direction, the ball screw 401 drives the two screw nuts 403 to move towards the center of the base 1, the two screw nuts 403 drive the clamping strip 2 to rebound and reset through the connecting rod 404, and then drive the clamping head 3 to rebound and reset, which is convenient and fast.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An automatic spring-back tooling fixture, comprising a base (1), characterized in that: The base (1) has symmetrically slidably connected clamping strips (2) on both sides of the top. The two clamping strips (2) have clamping heads (3) on adjacent sides of their outer walls. The base (1) has a horizontal reciprocating spring adjustment assembly (4) inside. The clamping strips (2) are connected to the output end of the horizontal reciprocating spring adjustment assembly (4). The base (1) is located inside the press assembly (5).

2. The automatic springback tooling fixture according to claim 1, characterized in that: The press assembly (5) includes a base plate (501), a pressure plate (502) and several guide posts (503). The pressure plate (502) is located above the base plate (501). The bottom of the guide post (503) is fixedly connected to the top of the base plate (501). The guide post (503) passes through and extends above the pressure plate (502). The base (1) is located between two guide posts (503).

3. The automatic springback tooling fixture according to claim 2, characterized in that: The outer wall of the guide post (503) is fitted with a linear bearing (504), which is fixedly connected to the pressure plate (502). The outer wall of the guide post (503) is fitted with a spring (505), the top of the spring (505) is fixedly connected to the bottom of the pressure plate (502), and the bottom of the spring (505) is fixedly connected to the top of the base plate (501).

4. The automatic springback tooling fixture according to claim 1, characterized in that: The horizontal reciprocating spring adjustment assembly (4) includes a ball screw (401), which is rotatably disposed inside the base (1). The outer walls of the ball screw (401) are symmetrically fitted with coil springs (402) at both ends. The outer walls of the ball screw (401) are symmetrically fitted with screw nuts (403) between the two coil springs (402). The top of the screw nut (403) is provided with a connecting rod (404), and the tops of the two connecting rods (404) are respectively fixedly connected to the bottoms of the two clamping bars (2).

5. The automatic springback tooling fixture according to claim 4, characterized in that: The base (1) has a first cavity inside that matches the ball screw (401) and the screw nut (403). One end of the retraction spring (402) is fixedly connected to the outer wall of the ball screw (401), and the other end of the retraction spring (402) is fixedly connected to the inner wall of the first cavity. The top of the base (1) has a second cavity that matches the connecting rod (404), and the first cavity and the second cavity are in communication.

6. The automatic springback tooling fixture according to claim 1, characterized in that: The outer walls of the two clamping heads (3) are provided with clamping grooves (301) on adjacent sides, and the top of the outer wall of the clamping head (3) is provided with a guide groove (302) at an angle to the top of the clamping groove (301).

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