CN215989604U

CN215989604U - Terminal pressing device

Info

Publication number: CN215989604U
Application number: CN202122387922.0U
Authority: CN
Inventors: 王哲巧
Original assignee: Zhejiang Guangyuan Electric Co ltd
Current assignee: Zhejiang Guangyuan Electric Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-08
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a terminal pressing device which comprises an installation seat, a driving block, a positioning disc, a plurality of pressing blocks and a driving ferrule, wherein the driving block is linearly movably arranged on the installation seat, the positioning disc is fixed on the installation seat, the pressing blocks are circumferentially distributed on the positioning disc, the driving ferrule is sleeved on the periphery of the positioning disc, a terminal through hole is axially arranged in the center of the positioning disc, the pressing blocks can move along the radial direction of the positioning disc, an elastic component is arranged between the positioning disc and the pressing blocks, a driving part which is matched and connected with the outer end of each pressing block is arranged on the inner side of the driving ferrule, and when the driving ferrule rotates, the pressing blocks are driven by the driving part to overcome the elasticity of the elastic component and move inwards along the radial direction of the positioning disc. The terminal pressing device is reasonable in structure, convenient to operate when the terminal and the lead are pressed by the terminal pressing device, capable of effectively improving production efficiency and good in practicability.

Description

Terminal pressing device

Technical Field

The utility model relates to a terminal pressing device, and belongs to the technical field of terminal processing equipment.

Background

The wiring terminal is gradually and widely applied to various fields, the commonly used wiring terminal comprises a signal terminal, a conductive terminal and the like, and the wiring terminal is sleeved at the end part of a wire and connected with the wire through riveting in use. In the prior art, the riveting connection of the terminal and the wire is mostly manual operation, specifically, the terminal is sleeved at the end part of the wire, one hand holds the wire, the other hand uses a crimping pliers to crimp, and the operation production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to provide a terminal pressing device with a reasonable structure, which is advantageous for improving the production efficiency.

The technical scheme for realizing the purpose of the utility model is as follows:

a terminal pressing device comprises a mounting seat, a driving block which is linearly movably arranged on the mounting seat, a positioning disc fixed on the mounting seat, a plurality of pressing blocks which are circumferentially distributed on the positioning disc, and a driving ferrule which is sleeved on the periphery of the positioning disc, wherein a terminal through hole is axially arranged at the center of the positioning disc, the pressing blocks can move along the radial direction of the positioning disc, an elastic component is arranged between the positioning disc and the pressing blocks, the elastic component enables the pressing blocks to keep the trend of moving outwards along the radial direction of the positioning disc, a driving part which is matched and connected with the outer end of each pressing block is arranged on the inner side of the driving ferrule, the driving ferrule drives the pressing blocks to overcome the elasticity of the elastic component and move inwards along the radial direction of the positioning disc through the driving part when rotating, and is linked and connected with the driving block through a linkage structure, the driving block is driven by a power component to move, and the driving block drives the driving ferrule to rotate when moving.

In the above technical scheme, the driving block is provided with a connection slot, the driving ferrule is externally provided with a connection insertion rod movably inserted into the connection slot, and the connection insertion rod is matched with the connection insertion hole to form the linkage structure.

In the technical scheme, a plurality of radial sliding grooves are formed in the outer end face of the positioning disc at intervals along the circumferential direction, a plurality of crimping blocks are arranged in the radial sliding grooves in a one-to-one correspondence mode, and a limiting cover plate limiting the crimping blocks in the radial sliding grooves is fixed to the outer end face of the positioning disc.

In the technical scheme, the outer end of the radial sliding groove is communicated with a stepped groove opening, the outer end of the pressure connecting block is provided with a limiting blocking platform extending into the stepped groove opening, the elastic component is a pressure spring, and the pressure spring is arranged between the groove wall of the stepped groove opening and the opposite side wall of the limiting blocking platform.

In the above technical solution, the driving portion is an inclined sliding surface that is formed on the inner peripheral wall of the driving ferrule and is recessed inwards, the outer end of the pressure welding block is arc-shaped, and the outer end of the pressure welding block abuts against the inclined sliding surface under the action of the elastic component.

In the above technical scheme, the mounting base is provided with a limiting groove, and the positioning disc is provided with a limiting boss matched with the limiting groove.

In the technical scheme, the mounting seat is provided with the linear sliding groove for limiting and mounting the driving block, and the driving block can be movably arranged in the linear sliding groove.

In the above technical scheme, the power component is an oil cylinder or an air cylinder, and the end part of the output shaft of the oil cylinder or the air cylinder is connected with the connecting clamping groove at the end part of the driving block in a clamping manner.

In the technical scheme, four compression blocks are uniformly distributed on the positioning disc along the circumferential direction.

The utility model has the positive effects that: the terminal pressing device has the advantages that the structural design is optimized and reasonable, when the terminal pressing device works, the power part drives the driving block to drive the driving ferrule to rotate in the downward moving process and presses the pressing block through the driving part, so that the pressing block moves towards the terminal through hole along the radial direction of the positioning disc, the terminal inserted into the terminal through hole is pressed and connected with the lead through the inner end of the pressing block (the terminal is sleeved at the end part of the lead in advance), the driving ferrule is driven to rotate reversely in the upward moving process when the pressing and connecting power part drives the driving block to complete the riveting and pressing connection of the terminal and the lead, the driving part removes the pressure applied on the pressing and connecting block, the pressing and connecting block is driven to rebound and reset to release the terminal through the elastic force of the elastic part, the purpose of pressing and connecting the terminal can be realized by the driving of the external driving power part, the manual pressing and the terminal pressing by using a wire pressing clamp are not needed, the work is time-saving and labor-saving, the working efficiency of terminal crimping can be effectively improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a front view of the present invention compression terminal assembly;

FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;

FIG. 4 is an assembly view of the positioning disk and drive collar and crimp block of the present invention;

FIG. 5 is an exploded view of the assembly shown in FIG. 4;

FIG. 6 is an assembly view of the positioning disk and the mounting base of the present invention.

The reference symbols shown in the figures are: 1-mounting seat, 11-limiting groove, 12-linear sliding groove, 2-driving block, 21-connecting clamping groove, 22-slot, 3-positioning disk, 31-radial sliding groove, 32-stepped notch, 33-limiting boss, 4-crimping block, 41-limiting baffle table, 5-driving ferrule, 51-driving part, 52-connecting inserted rod, 6-terminal perforation, 7-elastic component and 8-limiting cover plate.

Detailed Description

The specific structure of the present invention will be described with reference to the drawings of the specification:

a terminal pressing device is disclosed, as shown in fig. 1 to fig. 3, which comprises an installation base 1, a driving block 2 linearly movably arranged on the installation base 1, a positioning disc 3 fixed on the installation base 1, a plurality of pressing blocks 4 circumferentially distributed on the positioning disc 3, and a driving ferrule 5 sleeved on the periphery of the positioning disc 3, wherein a terminal through hole 6 is axially arranged at the center of the positioning disc 3, the pressing blocks 4 can move along the radial direction of the positioning disc 3, an elastic component 7 is arranged between the positioning disc 3 and the pressing blocks 4, the elastic component 7 makes the pressing blocks 4 keep the trend of moving along the radial direction of the positioning disc 3, a driving part 51 cooperatively connected with the outer end of each pressing block 4 is arranged on the inner side of the driving ferrule 5, and when the driving ferrule 5 rotates, the driving part 51 drives the pressing blocks 4 to overcome the elasticity of the elastic component 7 and move along the radial direction of the positioning disc 3 The driving ferrule 5 is in linkage connection with the driving block 2 through a linkage structure, the driving block 2 is driven by a power component to move, and the driving ferrule 5 is driven to rotate when the driving block 2 moves; the terminal pressing device of the embodiment has a reasonable and optimized structural design, when the terminal pressing device works, a power part (not shown in the figure) drives a driving block to drive the driving ferrule 5 to rotate in the downward moving process and applies pressure to the pressing block 4 through a driving part, so that the pressing block 4 moves towards the terminal through hole 6 along the radial direction of the positioning disc 3, the terminal (the terminal is sleeved at the end part of a wire in advance) placed in the terminal through hole 6 is pressed and connected through the inner end of the pressing block 4, the terminal and the wire are riveted and connected, the power part drives the driving block to drive the driving ferrule 5 to rotate reversely in the upward moving process after the pressing and connecting is completed, the driving part 51 removes the pressure applied on the pressing block 4, the pressing block 4 is driven to rebound and reset to release the terminal through the elastic action of the elastic part 7, and the purpose of pressing and connecting the terminal can be realized through the driving of an external driving power part, need not the manual work and use the crimping pincers to come the crimping, work labour saving and time saving can effectively improve the work efficiency of terminal crimping.

In the embodiment, the power component can adopt an oil cylinder or an air cylinder, and the end part of an output shaft of the oil cylinder or the air cylinder is clamped with the connecting clamping groove 21 at the end part of the driving block 2; the connection with the output shaft of the power component is convenient through the design of the connecting clamping groove 21.

In this embodiment, referring to fig. 1, fig. 2 and fig. 4, a connection slot 22 is provided on the driving block 2, a connection insertion rod 52 movably inserted into the connection slot 22 is provided outside the driving ferrule 5, and the connection insertion rod 52 and the connection insertion hole cooperate to form the linkage structure; in a plurality of connection schemes of the driving block 2 and the driving ferrule 5, a linkage mode of the insertion fit connection of the connecting slot 22 and the connecting inserted rod 52 is preferably adopted, the structure is simple, the realization is easy, and when the driving block 2 is driven by a power component to move up and down, the driving ferrule 5 is pushed to rotate relative to the positioning disk 3 by applying pressure on the connecting inserted rod 52; as another embodiment, the outer peripheral surface of the driving ferrule 5 is provided with tooth parts distributed in an arc shape, a rack meshed with the tooth parts is arranged on the side surface of the driving block 2, and the driving ferrule 5 is driven to rotate when the driving block 2 moves.

Further, as shown in fig. 3 to 6, a plurality of radial sliding grooves 31 are circumferentially arranged on the outer end surface of the positioning disc 3 at intervals, a plurality of crimping blocks 4 are correspondingly arranged in the plurality of radial sliding grooves 31 one by one, and a limiting cover plate 8 for limiting the crimping blocks 4 in the radial sliding grooves 31 is fixed on the outer end surface of the positioning disc 3; the structural design in the scheme further limits the radial position of the compression joint block 4, the compression joint block 4 is limited by the radial sliding groove 31 and can only move radially along the positioning disc 3, the compression joint block 4 is prevented from being separated from the radial sliding groove 31 through the structural design of the limiting cover plate 8, and the use stability of the terminal pressing device is further improved.

In a further embodiment of this embodiment, referring to fig. 3, an outer end of the radial sliding groove 31 is provided with a step notch 32 in communication therewith, an outer end of the crimping block 4 is provided with a limit stop 41 extending into the step notch 32, and the elastic member 7 is a compression spring disposed between a groove wall of the step notch 32 and an opposite side wall of the limit stop 41; in the scheme of the embodiment, the installation of the pressure spring is further facilitated by using the structural design of the stepped notch 32 and the limiting stop table 41, so that the pressure connecting block 4 is reset in the radial direction under the elastic force of the pressure spring, and the scheme has reasonable structure and convenient installation; as an optimized design, in order to ensure the installation effect of the pressure spring, positioning holes matched with two ends of the pressure spring are respectively arranged at the relative positions of the corresponding side walls on the groove wall of the stepped notch 32 and the limiting stop 41.

In a specific embodiment of this embodiment, as shown in fig. 4, the driving portion 51 is a slope surface that is formed on the inner peripheral wall of the driving ferrule 5 and is concave, the outer end of the pressure block 4 is arc-shaped, and the outer end of the pressure block 4 abuts against the slope surface under the action of the elastic component 7; the distance between the inclined sliding surface and the center of the driving ferrule 5 is gradually increased in the arrangement direction of the inclined sliding surface, so that when the driving ferrule 5 rotates in the forward direction relative to the positioning disc 3, thrust is applied to the outer end of the crimping block through the inclined sliding surface to enable the crimping block to move inwards along the radial sliding groove 31, when the driving ferrule 5 rotates in the reverse direction relative to the positioning disc 3, the thrust at the outer end of the dynamic crimping block 4 is removed from the inclined sliding surface, the crimping block 4 moves outwards and resets under the action of the elastic component, and the outer end of the crimping block is designed in an arc shape to enable the inclined sliding surface to be smoother when the crimping block is pushed.

In this embodiment, referring to fig. 6, the mounting base 1 has a limiting groove 11, and the positioning disc 3 has a limiting boss 33 engaged with the limiting groove 11; the positioning disc 3 can be positioned to a certain extent by matching the limiting groove 11 with the limiting boss 33, so that the positioning disc 3 is more stably fixed and mounted.

Furthermore, a linear sliding groove 12 for limiting and installing the driving block 2 is formed in the installation base 1, the driving block 2 can be movably arranged in the linear sliding groove 12, and the linear sliding groove 12 is used for installing the driving block 2 and limiting the movement of the driving block 2, as shown in fig. 6.

In a further embodiment of this embodiment, four crimping blocks 4 are uniformly arranged on the positioning disk 3 along the circumferential direction; the crimping blocks 4 are arranged to be four, so that the crimping blocks can be synchronously crimped in four different directions on the terminal along the circumferential direction, and the reliability of connection between the terminal and a lead is guaranteed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. The terminal pressing device is characterized by comprising an installation seat (1), a driving block (2) which is linearly movably arranged on the installation seat (1), a positioning disk (3) fixed on the installation seat (1), a plurality of pressing blocks (4) which are circumferentially distributed on the positioning disk (3) and a driving ferrule (5) sleeved on the periphery of the positioning disk (3), wherein a terminal through hole (6) is axially formed in the center of the positioning disk (3), the pressing blocks (4) can move along the radial direction of the positioning disk (3), an elastic component (7) is arranged between the positioning disk (3) and the pressing blocks (4), the elastic component (7) enables the pressing blocks (4) to keep the trend of moving outwards along the radial direction of the positioning disk (3), and a driving part (51) which is matched and connected with the outer end of each pressing block (4) is arranged on the inner side of the driving ferrule (5), when the driving ferrule (5) rotates, the driving portion (51) drives the compression joint block (4) to overcome the elasticity of the elastic component (7) and move inwards along the radial direction of the positioning disc (3), the driving ferrule (5) is in linkage connection with the driving block (2) through a linkage structure, the driving block (2) is driven by the power component to move, and when the driving block (2) moves, the driving ferrule (5) is driven to rotate.

2. The terminal pressing device according to claim 1, wherein a connection slot (22) is provided on the driving block (2), a connection rod (52) movably inserted into the connection slot (22) is provided outside the driving ferrule (5), and the connection rod (52) and the connection slot (22) cooperate to form the linkage structure.

3. The terminal pressing device according to claim 1, wherein a plurality of radial sliding grooves (31) are circumferentially arranged on the outer end surface of the positioning disc (3) at intervals, a plurality of the pressing blocks (4) are correspondingly arranged in the plurality of radial sliding grooves (31), and a limiting cover plate (8) limiting the pressing blocks (4) in the radial sliding grooves (31) is fixed on the outer end surface of the positioning disc (3).

4. A terminal pressing device according to claim 3, wherein the outer end of the radial sliding groove (31) is provided with a step notch (32) in communication, the outer end of the pressing block (4) is provided with a limit stop (41) extending into the step notch (32), and the elastic member (7) is a compression spring arranged between the groove wall of the step notch (32) and the opposite side wall of the limit stop (41).

5. The terminal pressing device according to claim 1, wherein the driving portion (51) is a slope surface formed on the inner peripheral wall of the driving ferrule (5) and recessed inwards, the outer end of the pressing block (4) is arc-shaped, and the outer end of the pressing block (4) abuts against the slope surface under the action of the elastic component (7).

6. The terminal pressing device according to claim 1, wherein the mounting seat (1) is provided with a limiting groove (11), and the positioning disc (3) is provided with a limiting boss (33) matched with the limiting groove (11).

7. The terminal pressing device according to claim 1, wherein the mounting seat (1) is provided with a linear sliding groove (12) for limiting and mounting the driving block (2), and the driving block (2) is movably arranged in the linear sliding groove (12).

8. The terminal pressing device according to claim 1, wherein the power component is an oil cylinder or an air cylinder, and the end of an output shaft of the oil cylinder or the air cylinder is clamped with the connecting clamping groove (21) at the end of the driving block (2).

9. Press terminal device according to any of claims 1 to 8, characterized in that said positioning disc (3) is provided with four said crimping blocks (4) circumferentially distributed.