CN113369560A

CN113369560A - Terminal cutting and press-fitting device with L-shaped stamping head

Info

Publication number: CN113369560A
Application number: CN202010946716.6A
Authority: CN
Inventors: 金代东
Original assignee: Yaxin Huaihua Electronics Co ltd
Current assignee: Yaxin Huaihua Electronics Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-09-10
Anticipated expiration: 2040-09-10
Also published as: CN113369560B

Abstract

The invention discloses a terminal cutting and press-mounting device with an L-shaped punching head, which relates to the technical field of terminal cutting and press-mounting and comprises a workbench, a bottom plate and a support frame, wherein the bottom plate is connected with a lower support plate through a clamping block and a clamping bolt, the upper end of the lower support plate is sequentially provided with a material pushing assembly, a sliding block assembly and a workpiece limiting seat, the sliding block assembly is matched with a material clamping assembly above the sliding block assembly to clamp a terminal, the terminal is of a U-shaped linear array sheet structure, the side end of the material clamping assembly is provided with a cutting assembly, the cutting assembly comprises a punching head, and the lower end part of the punching head is of an L-shaped protruding structure and can be matched with the terminal. The invention meets the processing requirements of enterprises on the feeding, cutting and press mounting of mass terminals, avoids unqualified terminal cutting or press mounting caused by misoperation of enterprise staff, reduces the rejection rate of the enterprises, improves the cutting and press mounting efficiency of the terminals, and effectively avoids the bending and unevenness of the terminals due to overlarge feeding thrust.

Description

Terminal cutting and press-fitting device with L-shaped stamping head

Technical Field

The invention relates to the technical field of terminal cutting and press mounting, in particular to a terminal cutting and press mounting device with an L-shaped stamping head.

Background

The terminal is an accessory product for realizing electrical connection, and is industrially classified into a connector category. With higher and higher industrial automation degree and stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually increases. With the development of the electronic industry, the use range of the connecting terminal is more and more, and the types of the connecting terminal are more and more. The most widely used terminals include hardware terminals, nut terminals, spring terminals, etc., in addition to PCB terminals.

At present, in the production and processing of terminals, terminals (as shown in the attached figure 2 in the specification) with a U-shaped linear array sheet structure need to be subjected to loading, cutting and press-fitting operations, and the existing terminal press-fitting device has the following technical problems: 1. the U-shaped structure of the terminal is special and the specification and size are small, so that the terminal is difficult to realize manual feeding operation, the phenomenon of difficult feeding exists in the conventional machining process, and the working procedure is stopped and the production efficiency is low due to the fact that workers cannot correctly feed the terminal; 2. in the feeding process of the U-shaped terminal, because the structural strength of the U-shaped terminal is not as high as that of a butterfly-shaped terminal, the U-shaped terminal is easily subjected to overlarge feeding thrust in the feeding process, and the bending and unevenness of the terminal are generated, so that the terminal with the U-shaped linear array sheet-shaped structure cannot be cut off and pressed, which is one of the main factors causing high labor intensity of workers and low working efficiency; 3. present terminal cutting device or pressure equipment device, the function is single, can't realize the material loading to the terminal, the comprehensive operation of cutting off and pressure equipment operation, most enterprises still stop to adopt manual operation's mode to carry out branch process machining operation, at the in-process of cutting off and pressure equipment of terminal, often can lead to a large amount of terminals and work piece product to scrap, to some employees who just enter the job, then it is big to have the difficulty of going on duty, the phenomenon of product percent of pass low, at the terminal material loading in-process of U type shape, the terminal is very easily taken place crooked and unevenness, therefore, this department is for improving economic benefits, reduce the rejection rate, practice thrift manufacturing cost, improve enterprise employee work efficiency, avoid the waste of terminal and product, a terminal cutting off pressure equipment device with L type punching press head has independently been researched and developed.

Disclosure of Invention

The invention aims to solve the problems, provides a terminal cutting and press-mounting device with an L-shaped stamping head, which has a simple structure and is convenient to use, meets the processing requirements of enterprises on feeding, cutting and press-mounting of terminals in large batches, avoids the phenomenon that the terminals are cut or press-mounted unqualifiedly due to misoperation of enterprise staff, reduces the rejection rate of the enterprises, improves the cutting and press-mounting efficiency of the terminals, effectively avoids the bending and unevenness of the terminals due to overlarge feeding thrust, meets the actual production of the press-mounting operation of terminals in large batches of the enterprises, avoids the stagnation among working procedures and improves the economic benefit.

In order to realize the purpose, the invention adopts the technical scheme that: a terminal cutting and press-fitting device with an L-shaped punching head comprises a workbench, a bottom plate and a support frame, wherein the bottom plate is connected with a lower support plate through a clamping block and a clamping bolt, the upper end of the lower support plate is sequentially provided with a material pushing assembly, a sliding block assembly and a workpiece limiting seat, the material pushing assembly can push the sliding block assembly to approach the workpiece limiting seat, the sliding block assembly is matched with a material clamping assembly above the sliding block assembly to clamp a terminal, the terminal is of a U-shaped linear array sheet structure, a cutting assembly for cutting the terminal is arranged at the side end of the material clamping assembly and above the sliding block assembly, the cutting assembly comprises a punching head, the lower end part of the punching head is of an L-shaped protruding structure and can be matched with the terminal, the sliding block assembly comprises a sliding table capable of making a transverse horizontal straight line, one side of the sliding table, which is far away from the material pushing assembly, is provided with a positioning block and a positioning guide pillar, and the positioning guide pillar can be inserted into a positioning plate body at the side end of the workpiece limiting seat, the sliding table side end is provided with a feeding assembly used for terminal feeding, the feeding assembly comprises a feeding base arranged on a lower supporting plate, a guide chute used for conveying terminals is horizontally arranged in the feeding base, one side, away from the sliding table, of the guide chute is provided with a pushing block used for pushing the terminals, the side wall of the pushing block is provided with a first connecting rod, one end of the first connecting rod is wound with a connecting spring, the other end of the spring is wound on a second connecting rod, and the second connecting rod is arranged at the end part of an output shaft of a feeding oil cylinder.

As a further optimization of the invention, the feeding oil cylinder is arranged on the connecting seat body, the connecting seat body is arranged on the lower supporting plate through the connecting screw to drive the feeding oil cylinder, and the material pushing block can push the terminals to do linear motion in the material guide groove.

As a further optimization of the invention, the material pushing assembly comprises a material pushing cylinder, the material pushing cylinder is arranged at the side end of the mounting plate body through a mounting bolt, the lower end of the mounting plate body is arranged on the upper surface of the lower support plate, the output shaft end of the material pushing cylinder penetrates through the side wall of the mounting plate body and is connected with a material pushing rod body, and the end part of the material pushing rod body is connected with the side part of the sliding table.

As a further optimization of the invention, the sliding block assembly comprises a guide rail horizontally arranged on the lower supporting plate in a transverse direction, a sliding block body is arranged on the guide rail in a matching manner, and a fixed plate body and a sliding table are arranged at the upper end of the sliding block body.

As a further optimization of the invention, the upper end part of the sliding table is provided with a hinged support seat body, the upper end part of the hinged support seat body is hinged with the material clamping head, and one side end of the material clamping head is in a comb structure shape and can clamp the terminal on the sliding table.

As a further optimization of the invention, one side of the material clamping head, which is far away from the terminal, is hinged with the lower end part of the transmission block, the upper end part of the transmission block is connected with the telescopic end of the material clamping cylinder, and the transmission block is arranged on the front end surface of the fixed plate body.

As a further optimization of the invention, the stamping head is arranged at the lower end of the lifting seat body, the upper end part of the lifting seat body is embedded into the connecting head at the lower end of the telescopic shaft end, the telescopic shaft end is connected with the output end of the hydraulic cylinder, the hydraulic cylinder is arranged on the inner side wall of the support frame, the side part of the lifting seat body extends into the guide chute of the support transverse plate, and the support transverse plate is arranged on the front end surface of the support vertical plate.

The invention has the beneficial effects that: the invention provides a terminal cutting and press-fitting device with an L-shaped stamping head, which is simple in structure and convenient to use, meets the processing requirements of enterprises on feeding, cutting and press-fitting of terminals in large batches, avoids the phenomenon that the terminals are cut off or press-fitting is unqualified due to misoperation of enterprise staff, reduces the rejection rate of the enterprises, improves the cutting and press-fitting efficiency of the terminals, effectively avoids the bending and unevenness of the terminals due to overlarge feeding thrust, meets the actual production of the press-fitting operation of the terminals in large batches of the enterprises, avoids stagnation among processes and improves the economic benefit.

1. The feeding device is provided with the feeding assembly, the feeding oil cylinder is driven, the material pushing block pushes the terminals to horizontally slide in a linear mode in the material guide groove and convey the terminals to the upper surface of the sliding table, and feeding operation is achieved.

2. The material clamping assembly is arranged to drive the material clamping cylinder, the transmission block rises and drives the material clamping head to rotate around the hinged support base body, and the material clamping head is matched with the sliding table to clamp the terminal, so that preparation is made for subsequent cutting-off operation.

3. The invention is provided with a cutting assembly, a hydraulic cylinder is driven, a punching head descends and performs cutting operation on a terminal clamped by a clamping head, and the lower end part of the punching head is in an H-shaped structure and can penetrate through between comb teeth of the punching head, thereby realizing the cutting of the terminal.

4. The invention is provided with a sliding block component and a material pushing component, drives a material pushing cylinder, pushes a sliding table to do horizontal linear motion along a guide rail by a material pushing rod body, and presses and inserts a terminal into a workpiece on a workpiece limiting seat towards the right side to realize press-fitting operation.

5. The feeding device is provided with the first connecting rod, the second connecting rod and the spring, wherein one end of the spring is wound and connected on the first connecting rod, the other end of the spring is wound and connected on the second connecting rod, the second connecting rod is arranged at the end part of the output shaft of the feeding oil cylinder, and in the feeding process, if the feeding thrust is too large, the spring can perform buffering and overload protection to a certain extent, so that the technical effect of protecting terminals is achieved, the phenomenon that a large quantity of terminals are scrapped is avoided, and the production cost pressure of enterprises is reduced.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic top view of the terminal of the present invention.

FIG. 3 is a schematic diagram of the structure of the punch head of the present invention.

FIG. 4 is a schematic top view of the feeding assembly of the present invention.

Fig. 5 is a schematic top view of the lifting base of the present invention.

FIG. 6 is a schematic top view of the material clamping head of the present invention.

FIG. 7 is a schematic top view of the spring of the present invention

The text labels in the figures are represented as: 1. a work table; 2. a base plate; 3. a lower support plate; 4. a clamping block; 5. a sliding block assembly; 6. a workpiece limiting seat; 7. a support frame; 8. cutting off the assembly; 9. a material pushing assembly; 10. a material clamping component; 11. a terminal; 12. a feeding assembly; 401. clamping the bolt; 501. a guide rail; 502. a sliding block body; 503. fixing the plate body; 504. a sliding table; 505. positioning the block body; 506. positioning the guide post; 507. positioning the plate body; 508. a hinged support base body; 801. a hydraulic cylinder; 802. a telescopic shaft end; 803. a connector; 804. a lifting seat body; 805. supporting the transverse plate; 806. punching a head; 807. a support vertical plate; 808. a guide chute; 901. a material pushing cylinder; 902. installing a plate body; 903. installing a bolt; 904. pushing the material rod body; 1001. a material clamping cylinder; 1002. clamping a stub bar; 1003. a transmission block; 1201. a feeding base body; 1202. a material guide chute; 1203. a material pushing block; 1204. connecting the base body; 1205. a connecting screw; 1206. a feeding oil cylinder; 1207. a first connecting rod; 1208. a spring; 1209. a second connecting rod.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 7, the specific structure of the present invention is: a terminal cutting and press-mounting device with an L-shaped punching head comprises a workbench 1, a bottom plate 2 and a support frame 7, wherein the bottom plate 2 is connected with a lower support plate 3 through a clamping block 4 and a clamping bolt 401, the upper end of the lower support plate 3 is sequentially provided with a material pushing assembly 9, a sliding block assembly 5 and a workpiece limiting seat 6, the material pushing assembly 9 can push the sliding block assembly 5 to approach the workpiece limiting seat 6, the sliding block assembly 5 is matched with an upper material clamping assembly 10 to clamp a terminal 11, the terminal 11 is of a U-shaped linear array sheet structure, a cutting assembly 8 for cutting the terminal 11 is arranged at the side end of the material clamping assembly 10 and above the sliding block assembly 5, the cutting assembly 8 comprises a punching head 806, the lower end of the punching head 806 is of an L-shaped convex structure and can be matched with the terminal 11, the sliding block assembly 5 comprises a sliding table 504 capable of making a transverse horizontal straight line, one side of the sliding table 504, which is far away from the material pushing assembly 9, is provided with a positioning block 505 and a positioning guide pillar 506, the positioning guide post 506 can be inserted into a positioning plate body 507 at the side end of the workpiece limiting seat 6, a feeding assembly 12 for feeding the terminal 11 is arranged at the side end of the sliding table 504, the feeding assembly 12 comprises a feeding seat body 1201 arranged on the lower support plate 3, a guide chute 1202 for conveying the terminal 11 is horizontally arranged in the feeding seat body 1201, a pushing block 1203 for pushing the terminal 11 is arranged on one side, away from the sliding table 504, of the guide chute 1202, a first connecting rod 1207 is arranged on the side wall of the pushing block 1203, one end of a connecting spring 1208 is wound on the first connecting rod 1207, the other end of the spring 1208 is wound on a second connecting rod 1209, the second connecting rod 1209 is arranged at the end of an output shaft of the feeding cylinder 1206, the feeding cylinder 1206 is driven, and the pushing block 1203 can push the terminal 11 to make linear motion in the guide chute 1202.

Preferably, in order to facilitate the pushing of the terminal 11 to make a linear motion in the material guiding chute 1202, the feeding cylinder 1206 is disposed on the connecting base 1204, the connecting base 1204 is disposed on the lower supporting plate 3 through the connecting screw 1205, the feeding cylinder 1206 is driven, and the pushing block 1203 can push the terminal 11 to make a linear motion in the material guiding chute 1202.

Preferably, in order to facilitate the implementation of the horizontal pushing operation of the terminal 11, so that the terminal 11 is press-fitted into a workpiece on the workpiece limiting seat 6, the pushing assembly 9 includes a pushing cylinder 901, the pushing cylinder 901 is disposed at a side end of the mounting plate 902 through a mounting bolt 903, a lower end of the mounting plate 902 is disposed on an upper surface of the lower support plate 3, an output shaft end of the pushing cylinder 901 penetrates through a side wall of the mounting plate 902 and is connected to a pushing rod body 904, and an end of the pushing rod body 904 is connected to a side portion of the sliding table 504.

Preferably, in order to facilitate the implementation of the horizontal pushing operation of the terminal 11, so that the terminal 11 is press-fitted into the workpiece on the workpiece limiting seat 6, the sliding block assembly 5 includes a guide rail 501 horizontally disposed on the lower support plate 3, a sliding block 502 is disposed on the guide rail 501 in a matching manner, and a fixed plate 503 and a sliding table 504 are disposed at the upper end of the sliding block 502.

Preferably, in order to facilitate the implementation of performing a horizontal pushing operation on the terminal 11, so that the terminal 11 is press-fitted into a workpiece on the workpiece limiting seat 6, the upper end of the sliding table 504 is provided with a hinged support seat 508, the upper end of the hinged support seat 508 is hinged to the material clamping head 1002, one side end of the material clamping head 1002 is in a comb structure shape and can clamp the terminal 11 on the sliding table 504, the material clamping cylinder 1001 is driven, the transmission block 1003 rises and drives the material clamping head 1002 to rotate around the hinged support seat 508, and the material clamping head 1002 and the sliding table 504 are matched to clamp the terminal 11 tightly, so as to prepare for a subsequent cutting operation.

Preferably, in order to be favorable to realizing clamping the terminal 11 on the sliding table 504, one side of the material clamping head 1002 far away from the terminal 11 is hinged to the lower end of the transmission block 1003, the upper end of the transmission block 1003 is connected with the telescopic end of the material clamping cylinder 1001, the transmission block 1003 is installed on the front end face of the fixed plate body 503, the material clamping cylinder 1001 is driven, the transmission block 1003 presses down and drives the material clamping head 1002 to rotate around the hinged support base 508, the material clamping head 1002 is matched with the sliding table 504 to clamp the terminal 11, and preparation is made for subsequent cutting-off operation.

Preferably, in order to facilitate the cutting operation of the clamped terminal 11, a whole piece of the terminal 11 is cut to be independently operated, the stamping head 806 is installed at the lower end of the lifting base 804, the upper end of the lifting base 804 is embedded into the connector 803 at the lower end of the telescopic shaft end 802, the telescopic shaft end 802 is connected with the output end of the hydraulic cylinder 801, the hydraulic cylinder 801 is arranged on the inner side wall of the support frame 7, the side portion of the lifting base 804 extends into the guide sliding groove 808 of the support transverse plate 805, the support transverse plate 805 is arranged on the front end face of the support vertical plate 807, the hydraulic cylinder 801 is driven, and the stamping head 806 descends and performs the cutting operation on the terminal 11 clamped by the clamping head 1002.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A terminal cutting and press-fitting device with an L-shaped punching head is characterized by comprising a workbench (1), a bottom plate (2) and a support frame (7), wherein the bottom plate (2) is connected with a lower support plate (3) through a clamping block (4) and a clamping bolt (401), the upper end of the lower support plate (3) is sequentially provided with a material pushing assembly (9), a sliding block assembly (5) and a workpiece limiting seat (6), the material pushing assembly (9) can push the sliding block assembly (5) to draw close the workpiece limiting seat (6), the sliding block assembly (5) is matched with an upper material clamping assembly (10) and can clamp a terminal (11), the terminal (11) is of a U-shaped linear array sheet structure, a cutting assembly (8) for cutting off the terminal (11) is arranged at the side end of the material clamping assembly (10) and above the sliding block assembly (5), and the cutting assembly (8) comprises a punching head (806), the lower end part of the stamping head (806) is in an L-shaped convex structure and is matched with the terminal (11), the sliding block assembly (5) comprises a sliding table (504), one side of the sliding table (504), which is far away from the material pushing assembly (9), is provided with a positioning block body (505) and a positioning guide post (506), the positioning guide post (506) can be inserted into a positioning plate body (507) at the side end of the workpiece limiting seat (6), the side end of the sliding table (504) is provided with a feeding assembly (12) used for feeding the terminal (11), the feeding assembly (12) comprises a feeding seat body (1201) arranged on the lower supporting plate (3), a guide groove (1202) used for conveying the terminal (11) is arranged in the feeding seat body (1201), one side of the guide groove (1202), which is far away from the sliding table (504), is provided with a material pushing block (1203) used for pushing the terminal (11), the side wall of the material pushing block (1203) is provided with a first connecting rod (1207), and one end of the connecting spring (1208) is wound on the first connecting rod (1207), the other end of the spring (1208) is wound on a second connecting rod (1209), and the second connecting rod (1209) is arranged at the end part of an output shaft of the feeding oil cylinder (1206).

2. The terminal cutting and press-fitting device with the L-shaped stamping head as claimed in claim 1, wherein the feeding cylinder (1206) is disposed on the connecting base body (1204), the connecting base body (1204) is disposed on the lower support plate (3) through the connecting screw (1205), the feeding cylinder (1206) is driven, and the pushing block (1203) can push the terminal (11) to move linearly in the material guiding groove (1202).

3. The terminal cutting and press-fitting device with the L-shaped punching head is characterized in that the material pushing assembly (9) comprises a material pushing cylinder (901), the material pushing cylinder (901) is arranged at the side end of a mounting plate body (902) through a mounting bolt (903), the mounting plate body (902) is arranged on the upper surface of the lower supporting plate (3), the output shaft end of the material pushing cylinder (901) penetrates through the side wall of the mounting plate body (902) and is connected with a material pushing rod body (904), and the end part of the material pushing rod body (904) is connected with the side part of the sliding table (504).

4. The terminal cutting and press-fitting device with the L-shaped stamping head is characterized in that the sliding block assembly (5) comprises a guide rail (501) horizontally arranged on the lower supporting plate (3) in the transverse direction, a sliding block body (502) is arranged on the guide rail (501) in a matching mode, and a fixed plate body (503) and a sliding table (504) are arranged at the upper end of the sliding block body (502).

5. The terminal cutting and press-fitting device with the L-shaped stamping head as claimed in claim 4, wherein the upper end of the sliding table (504) is provided with a hinged support base body (508), the upper end of the hinged support base body (508) is hinged with the clamping head (1002), one side end of the clamping head (1002) is in a comb structure shape and can clamp the terminal (11) on the sliding table (504).

6. The terminal cutting and press-fitting device with the L-shaped stamping head as claimed in claim 5, wherein the side of the clamping head (1002) far away from the terminal (11) is hinged with the lower end of the driving block (1003), the upper end of the driving block (1003) is connected with the telescopic end of the clamping cylinder (1001), and the driving block (1003) is mounted on the front end face of the fixed plate body (503).

7. The terminal cutting and press-fitting device with the L-shaped punching head as claimed in claim 1, wherein the punching head (806) is mounted at the lower end of the lifting seat body (804), the upper end of the lifting seat body (804) is embedded into a connector (803) which is provided with the lower end of a telescopic shaft end (802), the telescopic shaft end (802) is connected with the output end of the hydraulic cylinder (801), the hydraulic cylinder (801) is arranged on the inner side wall of the support frame (7), the side part of the lifting seat body (804) extends into a guide chute (808) of the support transverse plate (805), and the support transverse plate (805) is arranged on the front end face of the support vertical plate (807).