CN210524135U

CN210524135U - Full-automatic micro-switch golden finger welding equipment

Info

Publication number: CN210524135U
Application number: CN201921272682.6U
Authority: CN
Inventors: 孙芸
Original assignee: Shanghai Xiwo Electrical Appliance Co ltd
Current assignee: Shanghai Yanze Intelligent Technology Co.,Ltd.
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-15
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to an automated production technical field, concretely relates to full-automatic welding equipment of micro-gap switch golden finger, including motor, first electric jar, second electric jar, material area positioner, material area clamping device, silver silk clamping device, send a slider, cut-off tool, last electrode, bottom electrode, first cam, second cam and third cam are integrated the material area and the silver silk of whole micro-gap switch golden finger to a process through above-mentioned equipment and are accomplished production. The utility model has the advantages that: the production condition is obviously improved: 1) the yield is obviously improved and reaches at least 120-; 2) the cutting and positioning integrated efficiency of the silver wire is high; the material belt is finely adjusted through the electric cylinder, so that the welding precision is improved; 3) the material belt is automatically clamped and transferred through the air cylinder and the electric cylinder, the material belt is smooth, and the material belt has no abnormal deformation; 4) simple and reasonable structure and convenient later maintenance.

Description

Full-automatic micro-switch golden finger welding equipment

Technical Field

The utility model relates to an automated production technical field, concretely relates to full-automatic welding equipment of micro-gap switch golden finger especially is applied to the welding of golden finger and silver-colored silk, the automation equipment that combines together mechanical motion and pneumatic motion.

Background

The golden finger is an important part in the microswitch, is used for signal transmission and control of various functions in the automobile, belongs to one of standard components in automobile electrical appliances, and has the advantages of large consumption, important functions and high requirement on the quality of products. The specification of the material strip is 24 x 0.2 mm; the length of the silver wire is 1.8 +/-0.03, the width is 1.2mm, and the thickness is 0.8 +/-0.03. Originally, manual welding is adopted, precut silver wires are manually placed into a fixture, and the material belt is manually positioned and welded. The material belt is thin, the silver wires are fine, the precision is high, the material belt is often deformed, and the welding position of the silver wires exceeds the tolerance; only 50-60 pieces can be produced per minute, the production efficiency is low, and the rejection rate is high. Therefore, a brand new production mode is urgently needed to replace manual welding with low efficiency so as to improve the product quality and the production efficiency.

Disclosure of Invention

The utility model aims at providing a full-automatic welding equipment of micro-gap switch golden finger according to above-mentioned prior art is not enough, designs through setting up structure and the assembly of three group's cams, cooperates each functional unit, integrates the material area and the silver-colored silk of whole micro-gap switch golden finger to a process completion production.

The utility model discloses the purpose is realized accomplishing by following technical scheme:

the utility model provides a full-automatic welding equipment of micro-gap switch golden finger for assemble integrative, its characterized in that along length direction with the material area of micro-gap switch golden finger and silver-colored silk: the silver wire feeding device comprises a motor, a first electric cylinder, a second electric cylinder, a material belt positioning device, a material belt clamping device, a silver wire clamping device, a wire feeding slider, a cutting knife, an upper electrode, a lower electrode, a first cam, a second cam and a third cam, wherein the motor is connected with and drives the first cam, the second cam and the third cam, the first electric cylinder is used for adjusting the position of the material belt, the material belt positioning device is arranged on one side of the first electric cylinder and used for pressing down and positioning the material belt, the material belt clamping device is arranged on one side of the material belt positioning device and used for clamping the material belt, the first cam is connected with the wire feeding slider through a connecting rod, the wire feeding slider is used for moving the silver wire to a station, the second cam is connected with and drives the silver wire clamping device through a connecting rod, and the silver wire clamping device is used for clamping the silver wire, the second cam is also connected with and drives the cutting-off cutter through a connecting rod, the cutting-off cutter is used for cutting off the silver wires, the upper electrode and the lower electrode are respectively arranged on the upper side and the lower side of the station, the upper electrode is connected with and controlled by the second cam to be pressed and welded, and the lower electrode is connected with and controlled by the third cam and matched with the upper electrode to realize welding.

The first cam is in transmission connection with a main shaft of the motor, the first cam is connected with the wire feeding sliding block through a transmission assembly, and the wire feeding sliding block is arranged on one side of the silver wire clamping device.

The second cam comprises an outer circular surface and two side surface cavities, wherein the outer circular surface of the second cam is connected and controlled through a connecting rod, the silver wire clamping device is connected and controlled through another group of connecting rods, the cutting knife is connected and controlled through one side cavity of the second cam, and the upper electrode is connected and controlled to be pressed down and move upwards through another group of connecting rods.

And two side surface cavities of the third cam are respectively provided with two closed cams, one closed cam is connected with and controls the cutting-off cutter to enable the cutting-off cutter to swing back and forth by arranging a transmission assembly, and the other closed cam is connected with and controls the ascending and descending of the lower electrode by arranging another group of transmission assemblies.

The utility model has the advantages that: the production condition is obviously improved: 1) The yield is obviously improved and reaches at least 120-; 2) the cutting and positioning integrated efficiency of the silver wire is high; the material belt is finely adjusted through the electric cylinder, so that the welding precision is improved; 3) the material belt is automatically clamped and transferred through the air cylinder and the electric cylinder, the material belt is smooth, and the material belt has no abnormal deformation; 4) simple and reasonable structure and convenient later maintenance.

Drawings

Fig. 1 is a schematic structural view of the overall equipment of the present invention in the front direction;

FIG. 2 is a schematic structural view of the back direction of the overall equipment of the present invention;

fig. 3 is a schematic view of an assembly structure of the first cam according to the present invention;

fig. 4 is a schematic view of an assembly structure of a second cam according to the present invention;

fig. 5 is an assembly structure diagram of the third cam of the present invention.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:

as shown in fig. 1-5, the labels 1-34 are respectively shown as: the silver wire cutting device comprises silver wires 1, a manual switching hand wheel 2, a material belt 3, a needle type cylinder 4, a sliding table cylinder 5, a first electric cylinder 6, a double-row cylinder 7, a second electric cylinder 8, a motor 9, a clutch 10, a third cam 11, a second cam 12, a first cam 13, a positioning plate 14, an upper electrode 15, a lower electrode 16, a wire feeding slider 17, a silver wire cutting knife 18, a limiting block 19, a motor spindle 20, a driven wheel 21, a connecting rod 22, a pressing plate 23, a connecting rod 24, a connecting rod 25, a driven wheel 26, a driven wheel 27, a driven wheel 28, a connecting rod 29, a silver wire cutting knife handle 30, a connecting rod 31, a driven wheel 32, a driven wheel 33 and a.

Example (b): the fully-automatic microswitch golden finger welding equipment in the embodiment is described by combining the working process in the embodiment, specifically as follows:

as shown in fig. 1, the material tape 3 is arranged horizontally, and the silver wires 1 are arranged below the material tape 3, and the material tape 3 and the silver wires 1 can be welded into a whole in the horizontal direction by the device in this embodiment.

With reference to fig. 1 and 2, first, the first electric cylinder 6 adjusts the correct position of the strip 3. The sliding table cylinder 5 drives the positioning plate 14 serving as a material belt positioning device to press downwards to position the material belt 3. The double-row air cylinder 7 as a material belt clamping device clamps the material belt 3. The needle type cylinder 4 of the silver wire clamping device clamps the silver wire 1. The first cam 13 pushes the wire feed slider 17, and the wire feed slider 17 brings the silver wire 1 to a designated position, which is referred to as a welding station of the silver wire 1 and the strip 3. The silver wire 1 at this welding station is clamped by means of the second cam 12.

The third cam 11 controls the silver wire cutting blade 18 to move above the silver wire 1. The second cam 12 controls the silver wire cutting blade 18 to cut the silver wire 1, and then the silver wire cutting blade 18 is reset. The cutting position of the silver wire 1 is determined according to the extension length, namely the cutting position is matched with the length of the silver wire 1 required by the material belt 3.

The third cam 11 controls the lower electrode 16 to move upwards, the second cam 12 controls the upper electrode 15 to be pressed downwards for welding, the upper electrode 15 and the lower electrode 16 are positioned in the same height direction, and the upper electrode 15 and the lower electrode are matched with each other to realize pressing downwards for welding, so that the silver wire 1 and the material belt 3 are welded into a whole.

Thereafter, the three sets of the first cam 13, the second cam 12, and the third cam 11 are operated 360 degrees to reset the upper electrode 15 and the lower electrode 16, respectively. The double-row air cylinder 7 loosens the material belt 3, and at the moment, the material belt 3 is welded with the silver wires 1. The second electric cylinder 8 controls the double-row air cylinder 7 to move rightwards by a step pitch, and the double-row air cylinder 7 clamps the material belt 3 welded with the silver wires 1 again; the second electric cylinder 8 moves the clamped material strip 3 by a step distance to the left, so that the welded material strip 3 is sent out, and the material strip 3 which is not welded is sent to a welding station for the next welding cycle.

As shown in fig. 3, the first cam 13 is sleeved on the motor spindle 20 and can be driven to rotate, the first cam 13 is engaged with the driven wheel 21, the driven wheel 21 is connected to the connecting rod 22, and the connecting rod 22 is connected to the wire feeding slider 17, so that the control of the wire feeding slider 17 by the first cam 13 is realized by providing a transmission assembly. The distance of the silver wire 1 can be accurately controlled by the wire feeding slide block 17. In order to ensure the transferring accuracy of the silver wire 1, a limiting block 19 is further arranged, the silver wire can be clamped in a limiting groove on the upper surface of the limiting block 19 and transferred through a wire feeding sliding block 17, and thus, the silver wire 1 can be ensured to be always in a state parallel to the material belt 3 in the transferring process.

As shown in fig. 4, the second cam 12 is also sleeved on the motor spindle 20 and can be driven to rotate. The second cam 12 has three cam functions through the outer circle surface and the cavities on the two side surfaces of the cam. Specifically, the method comprises the following steps: 1) The outer circle surface of the second cam 12 controls the opening and closing action of the pressure plate 23 through the driven wheel 26 and the connecting rod 25, and clamps and releases the transferred silver wire 1; 2) the left cavity of the second cam 12 controls the silver wire cutting knife 18 to move up and down through the driven wheel 28 and the connecting rod 29, so as to cut off the silver wire 1; 3) the right cavity of the second cam 12 controls the press-down welding and the upward movement of the upper electrode 15 through the follower 27 and the link 24.

As shown in fig. 5, the third cam 11 is also sleeved on the motor spindle 20 and can rotate under the driving of the motor spindle, the two side cavities of the cam are respectively two closed cam-shaped structures, and the functions of the cam include: 1) after the silver wire 1 is cut off, the driven wheel 32 and the connecting rod 31 on the right side of the third cam 11 control the front and back swing of the silver wire cutting knife handle 30, so that the cutting action is adjusted, and the upper and lower running and cutting operation of the lower electrode 16 are not dry and astringent while the cutting effect is ensured; 2) the up-and-down movement of the lower electrode 16 is controlled by a follower 33 and a link 34 on the left side of the third cam 11.

This embodiment is through slip table cylinder 5 (material area location) of three cams (accomplishing 6 actions), a biserial cylinder 7 (pressing from both sides tight material area), a needle type cylinder 4 (pressing from both sides tight silver silk), first electric jar 6 and second electric jar 8 (transferring the material area and adjusting the silver silk position), 10 total process steps, integrate and accomplish production to a process, integrate and degree of automation height.

Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a full-automatic welding equipment of micro-gap switch golden finger for assemble integrative, its characterized in that along length direction with the material area of micro-gap switch golden finger and silver-colored silk: the silver wire feeding device comprises a motor, a first electric cylinder, a second electric cylinder, a material belt positioning device, a material belt clamping device, a silver wire clamping device, a wire feeding slider, a cutting knife, an upper electrode, a lower electrode, a first cam, a second cam and a third cam, wherein the motor is connected with and drives the first cam, the second cam and the third cam, the first electric cylinder is used for adjusting the position of the material belt, the material belt positioning device is arranged on one side of the first electric cylinder and used for pressing down and positioning the material belt, the material belt clamping device is arranged on one side of the material belt positioning device and used for clamping the material belt, the first cam is connected with the wire feeding slider through a connecting rod, the wire feeding slider is used for moving the silver wire to a station, the second cam is connected with and drives the silver wire clamping device through a connecting rod, and the silver wire clamping device is used for clamping the silver wire, the second cam is also connected with and drives the cutting-off cutter through a connecting rod, the cutting-off cutter is used for cutting off the silver wires, the upper electrode and the lower electrode are respectively arranged on the upper side and the lower side of the station, the upper electrode is connected with and controlled by the second cam to be pressed and welded, and the lower electrode is connected with and controlled by the third cam and matched with the upper electrode to realize welding.

2. The fully automatic microswitch golden finger welding equipment according to claim 1, wherein: the first cam is in transmission connection with a main shaft of the motor, the first cam is connected with the wire feeding sliding block through a transmission assembly, and the wire feeding sliding block is arranged on one side of the silver wire clamping device.

3. The fully automatic microswitch golden finger welding equipment according to claim 1, wherein: the second cam comprises an outer circular surface and two side surface cavities, wherein the outer circular surface of the second cam is connected and controlled through a connecting rod, the silver wire clamping device is connected and controlled through another group of connecting rods, the cutting knife is connected and controlled through one side cavity of the second cam, and the upper electrode is connected and controlled to be pressed down and move upwards through another group of connecting rods.

4. The fully automatic microswitch golden finger welding equipment according to claim 1, wherein: and two side surface cavities of the third cam are respectively provided with two closed cams, one closed cam is connected with and controls the cutting-off cutter to enable the cutting-off cutter to swing back and forth by arranging a transmission assembly, and the other closed cam is connected with and controls the ascending and descending of the lower electrode by arranging another group of transmission assemblies.