CN219133311U

CN219133311U - Pneumatic terminal press

Info

Publication number: CN219133311U
Application number: CN202220981507.XU
Authority: CN
Inventors: 白斌将; 王雪琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2023-06-06
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a pneumatic terminal press which comprises a frame, a swing arm lever, a transverse main shaft, a longitudinal main shaft, an upper clamp frame, a lower clamp frame and an air cylinder, wherein the transverse main shaft penetrates through the swing arm lever, two ends of the transverse main shaft are respectively connected with the frame, the air cylinder is arranged at the bottom of the frame, the power output end of the air cylinder is movably connected with the rear end of the swing arm lever, the front end of the swing arm lever is provided with a connecting rod module which is rotationally connected, the longitudinal main shaft is vertically arranged on the frame, a reset spring is sleeved on the longitudinal main shaft, the upper end of the longitudinal main shaft is provided with a reset boss, the upper end of the reset spring is propped against the reset boss, the lower end of the reset spring is propped against the frame, the lower end of the connecting rod module is propped against the upper end of the longitudinal main shaft, the upper clamp frame is arranged at the lower end of the longitudinal main shaft, the lower clamp frame is arranged on the frame, and terminal molds are respectively arranged on the upper clamp frame and the lower clamp frame. The utility model can realize larger working pressure by utilizing the lever principle. Production cost is saved, and the cylinder is more convenient to assemble and disassemble.

Description

Pneumatic terminal press

Technical Field

The utility model relates to the technical field of terminal presses, in particular to a pneumatic terminal press.

Background

Cold-pressed terminals are accessory products for electrical connection, with the development of industrial technology, the variety of the cold-pressed terminals is more and more, the application range is wider and the compression joint requirements of the market on the cold-pressed terminals are more and more strict.

The existing cold-pressed terminals are mainly pressed by a press machine, but the press machine commonly used at present has the following defects: 1. most of the existing presses adopt a large-pressure cylinder, a double-pressure cylinder or a gas-liquid pressurizing cylinder, and the pressure cylinders are large in size and high in cost. 2. In the current press, the cylinder is mainly installed in the top of workstation, because the volume of cylinder is great, and weight is heavier, leads to the cylinder installation inconvenient to the frame needs higher manufacturing cost, avoids the frame to produce deformation.

In view of this, the present applicant has made intensive studies with respect to the above problems, and has made the present utility model.

Disclosure of Invention

The utility model mainly aims to provide a pneumatic terminal press, which can select an economic small cylinder with small pressure and large stroke to realize larger working pressure by utilizing a lever principle. Production cost is saved, and the cylinder is more convenient to assemble and disassemble.

In order to achieve the above object, the solution of the present utility model is:

the utility model provides a pneumatic type terminal press, includes frame, swing arm lever, horizontal main shaft, vertical main shaft, goes up the pincers frame, lower pincers frame and cylinder, horizontal main shaft passes swing arm lever and the both ends of horizontal main shaft respectively with the frame is connected, the cylinder sets up in the bottom of frame, the power take off end of cylinder and the rear end swing arm lever swing joint, the front end of swing arm lever is equipped with the connecting rod module of swivelling joint, vertical main shaft is vertical to be set up in the frame to vertical main shaft and frame sliding connection, still overlap on the vertical main shaft and establish reset spring, the upper end of vertical main shaft is equipped with reset boss, reset spring's upper end and reset boss are supported and the lower extreme is supported with the frame is supported, the lower extreme of connecting rod module is supported with the upper end of vertical main shaft, go up the pincers frame and set up in the frame and correspond the below of last pincers frame, go up pincers frame and lower pincers frame and be equipped with the terminal mould respectively.

Further, the frame includes base, fixed plate, side support board and swing arm deflector, the fixed plate sets up in the top of base, and side support board symmetry sets up the left and right sides at the base, the both ends of base and fixed plate are connected in the side support board of both sides respectively, the swing arm deflector sets up on the fixed plate, the front end of swing arm deflector is equipped with the spacing hole that supplies horizontal main shaft to pass, the rear end of swing arm deflector is equipped with the guide way of vertical extension, the guide way is led the power take off end of cylinder.

Further, a guide screw is arranged at the power output end of the air cylinder, guide limiting blocks are arranged at two ends of the guide screw, and a strip-shaped hole for the guide screw to pass through is formed in the rear end of the swing arm lever.

Further, the fixed plate is provided with a centering limiting groove, the swing arm lever is provided with a limiting swing arm extending downwards, and the lower end of the limiting swing arm extends into the centering limiting groove to be connected in a sliding mode.

Furthermore, two ends of the transverse main shaft are provided with limiting inserting pieces in a clamping mode, and the inner side faces of the limiting inserting pieces are propped against the side faces of the swing arm lever.

Further, the connecting rod module comprises a connecting screw rod, a connecting block and a plurality of roller pin cylindrical pins, wherein the connecting screw rod penetrates through the connecting block to be connected in a rotating mode, two ends of the connecting screw rod are connected with the swing arm lever, and the roller pin cylindrical pins are connected to the lower end of the connecting block in a rotating mode.

Further, an adjusting nut is arranged at the lower end of the longitudinal main shaft and is in threaded connection with the longitudinal main shaft, and the upper clamp frame is arranged at the lower end of the adjusting nut.

Further, the adjusting nut is provided with a rotation stopping plate, the rotation stopping plate is provided with a rotation stopping shaft, the fixing plate is provided with a rotation stopping hole, and the upper end of the rotation stopping shaft penetrates through the rotation stopping hole from bottom to top.

After the structure is adopted, when the structure is used, the air cylinder is started, the piston rod of the air cylinder moves vertically upwards to drive the rear end of the swing arm lever to rise, the swing arm lever can swing around the transverse main shaft to drive the front end of the swing arm lever and the connecting rod module to descend, so that the upper end of the longitudinal main shaft is propped against to move downwards, and the terminal dies are mutually close to each other to be in compression joint; and then the piston rod of the air cylinder vertically descends to drive the front end of the swing arm lever to swing upwards, the longitudinal main shaft moves upwards to reset under the action of the elastic force of the reset spring, and the terminal dies are separated from each other so as to take out the crimped terminals.

Compared with the prior art, the utility model has the beneficial and novel effects that: 1. the utility model can select the economical small cylinder with small pressure and large stroke to realize larger working pressure by utilizing the lever principle. Production cost is saved, and the cylinder is more convenient to assemble and disassemble. 2. The cylinder mounting position is parallel to the frame and is arranged at the lower end of the frame, the supporting point of the swing arm lever is perpendicular to the frame, a low-cost frame scheme can be realized, the whole frame is better in supporting strength and more uniform in stress, and the frame cannot be easily deformed during working.

Drawings

Fig. 1 is a perspective view of the outline structure of the present utility model.

Fig. 2 is a schematic diagram of a connection structure of the fixing plate and the swing arm guide plate.

Fig. 3 is a schematic diagram of a connection structure of the longitudinal spindle and the frame.

Fig. 4 is a schematic view of a mounting structure of a swing arm lever.

Fig. 5 is a structural side view of the link module.

In the figure:

a frame-1; a base-11; a fixing plate-12; a centering limit groove-121; rotation stopping hole-122;

a side support plate-13; swing arm guide plate-14; a limit hole-141; guide grooves-142;

swing arm lever-2; a bar-shaped hole-21; limiting swing arms-22; a transverse main shaft-3;

a longitudinal main shaft-4; resetting the boss-41; an adjusting nut-42; a rotation stop plate-43;

a stop shaft-44; an upper jaw frame-51; a lower jaw frame-52; a terminal die-53;

a cylinder-6; lead screw-61; a guide limiting block-62; a link module-7;

a connecting screw-71; connecting block-72; the roller pin is a cylindrical pin-73; and a return spring-8.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

As shown in fig. 1 to 5, a pneumatic terminal press comprises a frame 1, a swing arm lever 2, a horizontal main shaft 3, a longitudinal main shaft 4, an upper jaw 51, a lower jaw 52 and a cylinder 6, wherein the horizontal main shaft 3 is arranged along the horizontal direction of the frame 1, the horizontal main shaft 3 vertically passes through the swing arm lever 2, and two ends of the horizontal main shaft 3 are respectively connected with the frame 1, so that the swing arm lever 2 can rotate around the axis of the horizontal main shaft 3 by taking the horizontal main shaft 3 as a fulcrum. The cylinder 6 sets up in the bottom of frame 1, and the power take off end of cylinder 6 and swing arm lever 2's rear end swing joint, and swing arm lever 2's front end is equipped with the connecting rod module 7 of swivelling joint, and vertical main shaft 4 vertical setting is at the front end of frame 1 to vertical main shaft 4 and frame 1 sliding connection, still overlap on the vertical main shaft 4 and establish reset spring 8, the upper end of vertical main shaft 4 is equipped with reset boss 41, and reset spring 8's upper end and reset boss 41 support and the lower extreme and frame 1 support. The lower end of the connecting rod module 7 is propped against the upper end of the longitudinal main shaft 4, the upper clamp frame 51 is arranged at the lower end of the longitudinal main shaft 4, the lower clamp frame 52 is arranged on the frame 1 and correspondingly arranged below the upper clamp frame 51, and the upper clamp frame 51 and the lower clamp frame 52 are respectively provided with a terminal mould 53.

After the structure is adopted, when the structure is used, the air cylinder 6 is started, the piston rod of the air cylinder 6 moves vertically upwards, the rear end of the swing arm lever 2 is driven to ascend, the swing arm lever 2 can swing around the transverse main shaft 3, the front end of the swing arm lever 2 and the connecting rod module 7 are driven to descend, and therefore the upper end of the longitudinal main shaft 4 is propped against and moves downwards, and at the moment, the terminal dies 53 are mutually close to each other to be in compression joint; then the piston rod of the air cylinder 6 performs vertical descending movement to drive the front end of the swing arm lever 2 to swing upwards, the longitudinal main shaft 4 moves upwards to reset under the action of the elastic force of the reset spring 8, and the terminal dies 53 are separated from each other so as to take out the press-connected terminals.

Preferably, the frame 1 includes base 11, fixed plate 12, side support plate 13 and swing arm deflector 14, and fixed plate 12 sets up in the top of base 11, and side support plate 13 symmetry sets up in the left and right sides of base 11, and the both ends of base 11 and fixed plate 12 are connected in the side support plate 13 of both sides respectively, specifically, accessible abaculus and caulking groove's mode between base 11 and the fixed plate 12 is connected with side support plate 13 gomphosis, and connection structure is simple, makes things convenient for frame 1 to dismantle. Swing arm deflector 14 sets up on fixed plate 12, and more specifically, the front and back end of swing arm deflector 14 sets up along the fore-and-aft direction of fixed plate 12 to swing arm deflector 14 is equipped with two, and two swing arm deflector 14 use the axis of fixed plate 12 as the benchmark symmetry setting, and two swing arm deflector 14 can carry out symmetrical support to the both ends of horizontal main shaft 3 respectively for horizontal main shaft 3 atress is more even, supports more steadily. The front end of the swing arm guide plate 14 is provided with a limiting hole 141 for the transverse main shaft 3 to pass through, the rear end of the swing arm guide plate 14 is provided with a guide groove 142 extending vertically, and the guide groove 142 guides the power output end of the air cylinder 6.

More preferably, in order to keep the power output end of the air cylinder 6 capable of keeping vertical lifting movement, the driving stability of the air cylinder 6 is enhanced, the power output end of the air cylinder 6 is provided with a guide screw 61, two ends of the guide screw 61 are provided with guide limiting blocks 62, the inner side surfaces of the guide limiting blocks 62 at the two ends respectively abut against and limit the outer side walls of the guide holes, and the rear end of the swing arm lever 2 is provided with a strip-shaped hole 21 for the guide screw 61 to pass through. After adopting above-mentioned structure, the piston rod of cylinder 6 is guided through lead screw 61 and bar hole 21 cooperation when going up and down, makes the piston rod can keep vertical elevating movement, effectively improves cylinder 6 sealing washer life and makes cylinder 6 drive more steady, and in addition, direction stopper 62 can carry out horizontal spacing to the piston rod, avoids the piston rod to carry out horizontal skew.

Preferably, the fixing plate 12 is provided with a centering limiting groove 121, the swing arm lever 2 is provided with a limiting swing arm 22 extending downwards, and the lower end of the limiting swing arm 22 extends into the centering limiting groove 121 to be connected in a sliding mode. After adopting above-mentioned structure, can keep swing arm lever 2 to be located the central position all the time to carry out the limit to the piston rod stroke of cylinder 6 and spacing, the swing arm lever 2 is controlled the skew or is avoided the piston rod overstroke crimping of cylinder 6 to prevent when the crimping, improves the transmission and the stationarity of crimping.

More preferably, two ends of the transverse main shaft 3 are provided with limiting inserting pieces in a clamping mode, and the inner side faces of the limiting inserting pieces are propped against the side faces of the swing arm lever 2. After the structure is adopted, the limiting inserting piece is matched with the wave washer, and the swing arm lever 2 is limited at the middle part of the transverse main shaft 3, so that the limiting swing arm 22 is kept at the centering position, the limiting effect of the limiting swing arm 22 is further improved, and the crimping stability and the crimping accuracy of the utility model are improved.

Preferably, in this embodiment, the link module 7 includes a connection screw 71, a connection block 72 and a plurality of roller pins 73, the connection screw passes through the connection block 72 perpendicularly and is connected in a rotating manner, two ends of the connection screw 71 are connected with the swing arm lever 2, and the roller pins 73 are connected at the lower end of the connection block 72 in a rotating manner. After adopting above-mentioned structure, connecting rod module 7 remains perpendicular setting throughout with vertical main shaft 4 to connecting rod module 7 supports the top contact with vertical main shaft upper end through a plurality of kingpin cylindric lock 73, makes vertical main shaft 4's pressurized face remain throughout, and can realize that the multiple spot contacts exert pressure, and the transmission atress is more even, improves driven stability.

Preferably, the lower end of the longitudinal main shaft 4 is provided with an adjusting nut 42, the adjusting nut 42 is in threaded connection with the longitudinal main shaft 4, and the upper clamp frame 51 is mounted at the lower end of the adjusting nut 42. After adopting above-mentioned structure, can finely tune the upper and lower position of adjusting nut 42 through rotating vertical main shaft 4 to adjust the position of going up the pincers frame 51, it is more convenient to adjust.

More preferably, the adjusting nut 42 is provided with a rotation stopping plate 43, the rotation stopping plate 43 is provided with a rotation stopping shaft 44, the fixing plate 12 is provided with a rotation stopping hole 122, and the upper end of the rotation stopping shaft 44 passes through the rotation stopping hole 122 from bottom to top. After adopting above-mentioned structure, can avoid going up the rotation of pincers frame 51 around vertical main shaft 4 to further carry out spacing to last pincers frame 51, improve the precision of crimping. And simple structure, the dismouting is more convenient.

Compared with the prior art, the utility model has the beneficial and novel effects that: 1. the utility model can select the economical small cylinder 6 with small pressure and large stroke to realize larger working pressure by utilizing the lever principle. Production cost is saved, and the cylinder 6 is more convenient to assemble and disassemble. 2. The mounting position of the air cylinder 6 is parallel to the frame 1 and is arranged at the lower end of the frame 1, the supporting point of the swing arm lever 2 is perpendicular to the frame 1, a low-cost frame 1 scheme can be realized, meanwhile, the whole frame 1 has better supporting strength and more uniform stress, and the frame 1 cannot be easily deformed during working.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims

1. The utility model provides a pneumatic type terminal press, its characterized in that includes frame, swing arm lever, horizontal main shaft, vertical main shaft, goes up the pincers frame, lower pincers frame and cylinder, horizontal main shaft passes swing arm lever and the both ends of horizontal main shaft are connected with the frame respectively, the cylinder sets up in the bottom of frame, the power take off end of cylinder and the rear end swing arm lever swing joint, the front end of swing arm lever is equipped with the connecting rod module of swivelling joint, vertical main shaft is vertical to be set up in the frame to vertical main shaft and frame sliding connection, still overlap on the vertical main shaft and establish reset spring, the upper end of vertical main shaft is equipped with reset boss, reset spring's upper end is supported with reset boss and the lower extreme is supported with the frame is supported, the lower extreme of connecting rod module is supported with the upper end of vertical main shaft, go up the pincers frame and be set up in the lower extreme of vertical main shaft, down the pincers frame is installed in the frame and is equipped with the terminal mould on upper pincers frame and the pincers frame respectively.

2. The pneumatic terminal press according to claim 1, wherein the frame comprises a base, a fixing plate, side support plates and a swing arm guide plate, the fixing plate is arranged above the base, the side support plates are symmetrically arranged on the left side and the right side of the base, two ends of the base and the fixing plate are respectively connected with the side support plates on two sides, the swing arm guide plate is arranged on the fixing plate, a limit hole for a transverse main shaft to pass through is formed in the front end of the swing arm guide plate, a guide groove extending vertically is formed in the rear end of the swing arm guide plate, and the guide groove guides the power output end of the air cylinder.

3. The pneumatic terminal press according to claim 2, wherein the power output end of the cylinder is provided with a lead screw, both ends of the lead screw are provided with guide limiting blocks, and the rear end of the swing arm lever is provided with a bar-shaped hole for the lead screw to pass through.

4. The pneumatic terminal press according to claim 2, wherein the fixing plate is provided with a centering limiting groove, the swing arm lever is provided with a downward extending limiting swing arm, and the lower end of the limiting swing arm extends into the centering limiting groove to be slidably connected.

5. The pneumatic terminal press according to claim 4, wherein limiting inserting pieces are arranged at two ends of the transverse main shaft in a clamping mode, and the inner side faces of the limiting inserting pieces are abutted against the side faces of the swing arm levers.

6. The pneumatic terminal press according to claim 1, wherein the connecting rod module comprises a connecting screw rod, a connecting block and a plurality of roller pin, the connecting member screw rod penetrates through the connecting block to be connected in a rotating mode, two ends of the connecting screw rod are connected with the swing arm lever, and the roller pin is connected to the lower end of the connecting block in a rotating mode.

7. The pneumatic terminal press according to claim 2, wherein the lower end of the longitudinal spindle is provided with an adjusting nut, the adjusting nut is in threaded connection with the longitudinal spindle, and the upper jaw is mounted at the lower end of the adjusting nut.

8. The pneumatic terminal press according to claim 7, wherein the adjusting nut is provided with a rotation stopping plate, the rotation stopping plate is provided with a rotation stopping shaft, the fixing plate is provided with a rotation stopping hole, and the upper end of the rotation stopping shaft passes through the rotation stopping hole from bottom to top.