CN113604763B

CN113604763B - Wire harness two-end batch tinning device for electronic product production

Info

Publication number: CN113604763B
Application number: CN202110920880.4A
Authority: CN
Inventors: 练勉芳
Original assignee: Shenzhen Haitian Henghe Technology Co ltd
Current assignee: Shenzhen Haitian Henghe Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2023-05-26
Anticipated expiration: 2041-08-11
Also published as: CN113604763A

Abstract

The invention relates to a batch tinning device for two ends of a wire harness for electronic product production, which comprises a base, n-type seats, a heating frame, a charging frame, a placing mechanism and a driving mechanism, wherein the n-type seats are fixedly connected to the middle part of one side of the base, the driving mechanism is arranged on one side of the n-type seat far away from the base, the heating frame is fixedly connected between four sides in the n-type seat close to the base, and the charging frame is fixedly connected and communicated with two ends of the heating frame far away from the base. According to the invention, a proper amount of wire harness is placed in the placement mechanism, then a proper amount of tin liquid is poured into the charging frame, the tin liquid in the charging frame flows into the heating frame, the heating frame is started, the heating frame heats the tin liquid, the driving mechanism is pulled to move downwards, when the driving mechanism moves downwards to be in contact with the placement mechanism, the driving mechanism drives the placement mechanism to operate, the placement mechanism drives the wire harness to reversely rotate for left end tin plating, and the placement mechanism also drives the wire harness to positively rotate for right end tin plating, so that a person is not required to manually tin the wire harness, and the wire harness tin plating device is convenient to use and high in working efficiency.

Description

Wire harness two-end batch tinning device for electronic product production

Technical Field

The invention relates to a tinning device, in particular to a batch tinning device for two ends of a wire harness for electronic product production.

Background

In the production of electronic products, a large number of wire harnesses are required to be used, but in order to prevent the end parts of the wire harnesses from being exposed to the air for a long time, contact surfaces are oxidized, contact resistance of wires is increased, tin plating is carried out on the two ends of the wire harnesses, at present, most of the wires are manually used for tin plating, after one end of each wire harness is plated with tin, the other end of each wire harness is required to be manually replaced, operation is troublesome, and working efficiency is low.

Therefore, it is necessary to design and develop a wire harness both ends batch tinning device for electronic product production, which can replace manual work to carry out tinning on both ends of the wire harness, and has convenient operation and high working efficiency.

Disclosure of Invention

In order to overcome the defects that most of the wires are tinned by holding the wire harness by hands, after one end of the wire harness is tinned, the other end of the wire harness is required to be replaced manually, the operation is troublesome, and the working efficiency is low, the technical problems are as follows: the wire harness both ends batch tinning device for the electronic product production is convenient to operate and high in working efficiency, and can replace manpower to carry out tinning on the both ends of the wire harness.

The technical scheme of the invention is as follows: the utility model provides a pencil both ends are tinning stack in batches for electronic product production, includes base, n type seat, heating frame, loads the frame, places mechanism and actuating mechanism, base one side middle part rigid coupling has n type seat, actuating mechanism installs in n type seat one side of keeping away from the base, and the heating frame rigid coupling is in being close to between the four sides in the n type seat of base, loads the frame rigid coupling and is kept away from the heating frame both ends and the intercommunication of base, places the mechanism and installs on n type seat, places mechanism and actuating mechanism cooperation, places the mechanism and loads the frame cooperation.

The placing mechanism comprises an arc-shaped plate, a fixing plate, a placing plate, a large gear and a torsion spring, wherein the fixing plate is fixedly connected between every two sides in the n-type seat, the number of the fixing plates is two, the placing plate is rotatably connected between the middle parts of the fixing plates, the large gear is fixedly sleeved at one end of a shaft of the placing plate, the large gear is matched with the driving mechanism, the arc-shaped plate is fixedly connected between four sides in the n-type seat, the arc-shaped plate is matched with the placing plate, the torsion spring is connected between one side of the large gear and one side of one fixing plate, and the torsion spring winds on the shaft of the placing plate.

The driving mechanism comprises an n-type plate, special-shaped racks, handles and first springs, wherein the n-type plate is fixedly connected to the middle part of one side outside an n-type seat far away from the base, the special-shaped racks are slidably sleeved on one side of the n-type plate, the special-shaped racks are matched with the large gears, the first springs are connected between the inner sides of the special-shaped racks and one side outside the n-type plate, the number of the first springs is two, and the handles are fixedly connected between the two sides of the special-shaped racks.

Preferably, the device further comprises a limiting mechanism, the limiting mechanism comprises an air cylinder, a return plate, u-shaped rods, a sliding frame, a limiting plate, a second spring, a rolling shaft, an arc hollow plate and a third spring, wherein the sliding type of the sliding frame is symmetrically connected with one side of an n-type seat far away from the base in a penetrating manner, the rolling shaft is rotationally connected between the middle parts of two sides of the sliding frame, the arc hollow plate is slidably sleeved on the rolling shaft, the limiting plate is fixedly connected between the outer sides of the two arc hollow plates, the limiting plate is matched with the placing plate, the third spring is connected between the outer sides of the sliding frame and the outer sides of the arc hollow plate, one end of the u-shaped rod is slidably arranged between the two sides of the sliding frame, one end of the u-shaped rod is fixedly connected with one side of the special-shaped rack, the second spring is symmetrically connected with the outer side of the u-shaped rod, the tail end of the second spring is fixedly connected with the inner side of the sliding frame, the return plate is fixedly connected between all the ends of the two u-shaped rods far away from the base, the air cylinder is fixedly connected with one side of the base, and the telescopic rod end of the air cylinder faces the return plate of the base.

Preferably, the automatic feeding device further comprises an arc toothed plate, a first gear and a conveying shaft, wherein the conveying shaft is symmetrically connected to one side of the placing plate facing the base in a rotating mode, the conveying shaft penetrates through the placing plate, the first gear is fixedly sleeved at the end of the conveying shaft close to the large gear, the arc toothed plate is fixedly connected to the middle of one side of the placing plate facing the base, and the arc toothed plate is matched with the first gear.

Preferably, the compression mechanism comprises a rotating shaft, a ratchet wheel, a second gear, a rotating rod, a third gear, bevel gears, special-shaped rods, ratchet bars, elastic pieces and piston plates, wherein the rotating rod is rotationally connected to one side of one fixing plate close to the large gear, the third gear is fixedly sleeved on the middle circumference of the rotating rod, the number of the bevel gears is two, one bevel gear is fixedly connected to the center position of one side of the large gear, the other bevel gear is fixedly sleeved on the circumference of one side of the rotating rod, the two bevel gears are meshed, the rotating shaft is rotationally connected between the two sides outside the n-shaped seat, the ratchet wheels are symmetrically fixed and sleeved on the circumference of the rotating shaft, the second gear is fixedly sleeved on the middle circumference of the rotating shaft, the second gear is meshed with the third gear, the special-shaped rods are symmetrically and slidably connected to one side of the heating frame, the piston plates are fixedly connected between one ends of the two special-shaped rods, the piston plates are slidably matched with the heating frame, the ratchet bars are slidably connected to one side of the special-shaped rods far away from the piston plates, the ratchet bars are meshed with the ratchet wheels, and the elastic pieces are connected between one side of the special-shaped rods.

Preferably, the contact mechanism comprises a special-shaped movable rod, an electromagnet, an iron block, a contact plate, a fourth spring and a button, wherein the contact plate is slidably arranged between two sides in the heating frame, the contact plate is matched with the piston plate, the special-shaped movable rod is slidably connected to one side of the heating frame in a penetrating manner, one end of the special-shaped movable rod is fixedly connected with one side of the contact plate, the fourth spring is connected between one side of the special-shaped movable rod and the inside of the base, the button is fixedly connected to the inside of the base close to the fourth spring, the button is matched with the special-shaped movable rod, the electromagnet is fixedly connected to the middle of one side of the base, the iron block is fixedly connected between one sides outside two ratchet bars, and the iron block is matched with the electromagnet.

Preferably, the device further comprises a hollow tube, an indicating plate and a piston indicating rod, wherein the hollow tube is fixedly connected between one side of the arc-shaped plate and one side of the heating frame in a penetrating manner, the hollow tube is communicated with the inside of the heating frame, the piston indicating rod is slidably arranged in the hollow tube, the indicating plate is fixedly connected between one side of the hollow tube and the inner side of the arc-shaped plate, and the indicating plate is matched with the piston indicating rod.

The beneficial effects are that:

1. the wire harness is placed in the placement mechanism, a proper amount of tin liquor is poured into the charging frame, the tin liquor in the charging frame flows into the heating frame, the heating frame is started, the heating frame heats the tin liquor, the driving mechanism moves downwards, when the driving mechanism moves downwards and contacts with the placement mechanism, the driving mechanism drives the placement mechanism to operate, the placement mechanism operates to drive the wire harness to reversely rotate for left end tin plating, and the placement mechanism also drives the wire harness to positively rotate for right end tin plating, so that the wire harness is not required to be plated manually, and the wire harness tin plating machine is convenient to use and high in working efficiency.

2. Under stop gear's effect, can make the limiting plate with place the board contact, the limiting plate carries out spacingly to the pencil, and the telescopic link of cylinder shortens, still makes special-shaped rack downwardly moving and gear wheel meshing, and the pencil also just begins to carry out the tin plating, so, can avoid the pencil to break away from with placing the board and influence the tin plating.

3. Under the effect of compression mechanism, can just promote the molten tin to remove certain distance forward at the pencil every time the tin plating finishes one end, can make the molten tin position in the charging frame all unanimous, so, can avoid molten tin to be discharged into in the charging frame and lead to can not tinning to the pencil both ends.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic perspective view of a first part of the present invention.

Fig. 4 is a schematic view of a first partially cut-away structure of the present invention.

Fig. 5 is a schematic view of a second partially cut-away structure of the present invention.

Fig. 6 is a schematic view of a third partial cross-sectional structure of the present invention.

FIG. 7 is an enlarged schematic view of section A of the present invention.

Fig. 8 is a schematic view of a fourth partially cut-away structure of the present invention.

Fig. 9 is a schematic perspective view of a second part of the present invention.

Fig. 10 is a schematic perspective view of a third portion of the present invention.

Fig. 11 is a schematic perspective view of a fourth part of the present invention.

Fig. 12 is a schematic perspective view of a fifth portion of the present invention.

Fig. 13 is a schematic perspective view of a sixth part of the present invention.

Fig. 14 is a schematic perspective view of a seventh portion of the present invention.

Fig. 15 is a schematic perspective view of an eighth portion of the present invention.

In the reference numerals: 1-base, 2-n-type seat, 3-heating frame, 4-charging frame, 5-placement mechanism, 51-arc plate, 52-fixed plate, 53-placement plate, 54-large gear, 55-torsion spring, 6-driving mechanism, 61-n-type plate, 62-shaped rack, 63-handle, 64-first spring, 7-limit mechanism, 71-cylinder, 72-return plate, 73-u-type rod, 74-carriage, 75-limit plate, 76-second spring, 77-roller, 78-arc hollow plate, 79-third spring, 8-arc toothed plate, 9-first gear, 10-conveying shaft, 11-compression mechanism, 111-spindle, 112-ratchet, 113-second gear, 114-rotating rod, 115-third gear, 116-bevel gear, 117-shaped rod, 118-ratchet, 119-spring, 119-piston plate, 12-contact mechanism, 121-shaped movable rod, 122-electromagnet, 123-iron block, 124-contact plate, 125-fourth spring, 126-push button, 126-13-14-hollow tube, and 15-indicating rod.

Detailed Description

The invention is described in detail below with reference to the drawings and the specific embodiments.

Examples: wire harness two-end batch tinning device for electronic product production.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 8, the device comprises a base 1, an n-type seat 2, a heating frame 3, a loading frame 4, a placing mechanism 5 and a driving mechanism 6, wherein the n-type seat 2 is fixedly connected in the middle of the top of the base 1, the driving mechanism 6 is arranged on the rear side of the upper part of the n-type seat 2, the heating frame 3 is fixedly connected between the lower parts of the four sides in the n-type seat 2, the loading frame 4 is fixedly connected and communicated with the left side and the right side of the top of the heating frame 3, the placing mechanism 5 is arranged in the middle of the n-type seat 2, the placing mechanism 5 is matched with the driving mechanism 6, and the placing mechanism 5 is also matched with the loading frame 4.

The placement mechanism 5 comprises an arc-shaped plate 51, a fixed plate 52, a placement plate 53, a large gear 54 and a torsion spring 55, wherein the fixed plate 52 is fixedly connected between the middle parts of the front side and the middle parts of the inner rear side of the n-type seat 2, the placement plate 53 is rotatably connected between the middle parts of the fixed plates 52 of the front side and the rear side, the large gear 54 is fixedly connected with the large gear 54 at the rear end of the shaft of the placement plate 53, the large gear 54 is matched with the driving mechanism 6, the torsion spring 55 is connected between the front side surface of the large gear 54 and the rear side surface of the rear side fixed plate 52, the torsion spring 55 is wound on the shaft of the placement plate 53, the arc-shaped plate 51 is fixedly connected between the middle parts of the four sides of the n-type seat 2, holes are formed in the upper parts of the left side and the right side of the arc-shaped plate 51, and the placement plate 53 are matched.

The driving mechanism 6 comprises an n-shaped plate 61, a special-shaped rack 62, a handle 63 and a first spring 64, wherein the n-shaped plate 61 is fixedly connected in the middle of the upper part of the outer rear side surface of the n-shaped seat 2, the special-shaped rack 62 is sleeved on the upper part of the n-shaped plate 61 in a sliding mode, the special-shaped rack 62 is matched with the large gear 54, the first spring 64 is connected between the two sides of the inner top of the special-shaped rack 62 and the outer top of the n-shaped plate 61, and the handle 63 is fixedly connected between the upper parts of the left side and the right side of the special-shaped rack 62.

Firstly, an operator puts a proper amount of wire harness into a placement mechanism 5, then pours a proper amount of tin liquid into a charging frame 4, the tin liquid in the charging frame 4 flows into a heating frame 3, when the heating frame 3 and the charging frame 4 are filled with a proper amount of tin liquid, the tin liquid is stopped to be added, the heating frame 3 is started, the heating frame 3 heats the tin liquid, a driving mechanism 6 is pulled to move downwards, when the driving mechanism 6 moves downwards to be in contact with the placement mechanism 5, the driving mechanism 6 drives the placement mechanism 5 to operate, the placement mechanism 5 drives the wire harness to firstly reverse, when the wire harness reversely rotates to correspond to the charging frame 4 on the left side, the wire harness slides leftwards into the charging frame 4 on the left side, the left end of the wire harness contacts with the tin liquid to tin, the driving mechanism 6 is continuously pushed to move downwards, the placement mechanism 5 is pulled downwards to be separated, the wire harness forward rotating reset is driven by the operation of the placement mechanism 5, the wire harness is in a horizontal state, the placement mechanism 5 is driven by the continuous downward movement of the driving mechanism 6, the wire harness forward rotates by the forward rotation of the placement mechanism 5, when the wire harness forward rotates corresponding to the right charging frame 4, the wire harness slides rightwards into the right charging frame 4, the right end of the wire harness is in contact with tin liquor for tin plating, the driving mechanism 6 can be loosened, the driving mechanism 6 moves upwards to drive the placement mechanism 5 to reset reversely, the wire harness is driven to reset reversely, when the driving mechanism 6 moves upwards to reset, the driving mechanism 6 is separated from the placement mechanism 5, an operator can take down the wire harness with the two ends being plated with tin from the placement mechanism 5, and tin plating can be continuously carried out on two ends of a proper amount of wire harness repeatedly. After the tin plating of all the two ends of the wire harness is completed, the heating frame 3 is closed, and the heating frame 3 stops heating the tin liquid.

Firstly, an operator puts a proper amount of wire harness into the placing plate 53, when the operator pulls the driving mechanism 6 to move downwards, the driving mechanism 6 moves downwards to be meshed with the large gear 54, the driving mechanism 6 firstly drives the large gear 54 to rotate reversely, the torsion spring 55 is compressed, the large gear 54 rotates reversely to drive the placing plate 53 to rotate reversely, the placing plate 53 rotates reversely to drive the wire harness to rotate reversely, when the wire harness rotates reversely to correspond to the left charging frame 4, the wire harness moves leftwards to slide into the left charging frame 4, the left end of the wire harness contacts with tin liquor to carry out tin plating, when the driving mechanism 6 continues to move downwards to be disengaged from the large gear 54, the large gear 54 drives the placing plate 53 to rotate positively to reset due to the action of the torsion spring 55, the placing plate 53 also drives the wire harness to rotate positively to reset, the driving mechanism 6 moves downwards to be meshed with the large gear 54 again, the large gear 54 rotates positively to drive the placing plate 53 to rotate, the placing plate 53 rotates positively, the placing plate 53 drives the wire harness to rotate positively, when the wire harness rotates positively to correspond to the right charging frame 4, the right end contacts with the tin liquor to carry out tin plating, and the left end contacts with the tin liquor to carry out tin plating, and the wire harness moves upwards to drive the wire harness to reset the wire harness to move upwards, and the wire harness to reset the wire harness 54 to reset the wire harness to be contacted with the large gear 54 to be placed on the wire harness 54.

When the wire harness is placed, the handle 63 is pulled to move downwards, the handle 63 moves downwards to drive the special-shaped rack 62 to move downwards, the first spring 64 is compressed, when the special-shaped rack 62 moves downwards to be meshed with the large gear 54, the special-shaped rack 62 drives the large gear 54 to rotate reversely, so that the left end of the wire harness is plated with tin, when the special-shaped rack 62 continues to move downwards to be disengaged from the large gear 54, the large gear 54 drives the placing plate 53 to rotate forwards to reset due to the action of the torsion spring 55, the wire harness is driven to rotate forwards to reset, the special-shaped rack 62 continues to move downwards to be meshed with the large gear 54 again, the special-shaped rack 62 drives the large gear 54 to rotate forwards, the wire harness slides rightwards to be plated in the right charging frame 4, the handle 63 can be loosened, and the special-shaped rack 62 moves upwards to reset to drive the large gear 54 to rotate reversely to reset, so that the placing plate 53 drives the wire harness to rotate reversely to reset, and the special-shaped rack 62 continues to move upwards to reset to be disengaged from the large gear 54.

Referring to fig. 1, fig. 2, fig. 6, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13 and fig. 14, the device further comprises a limiting mechanism 7, the limiting mechanism 7 comprises an air cylinder 71, a return plate 72, a u-shaped rod 73, a sliding frame 74, a limiting plate 75, a second spring 76, a rolling shaft 77, an arc hollow plate 78 and a third spring 79, the sliding frame 74 is connected with the upper part of the n-type seat 2 in a front-back symmetrical manner, the rolling shaft 77 is connected with the lower part of the sliding frame 74 in a rotary manner in a through manner, the arc hollow plate 78 is sleeved on the rolling shaft 77 in a sliding manner, the limiting plate 75 is fixedly connected with the placing plate 53 in a matched manner, the sliding manner between the left side and the right side of the sliding frame 74 and the inner side of the sliding manner is provided with the u-shaped rod 73, the left side and the right side of the outer bottom of the u-shaped rod 73 are fixedly connected with the second spring 76, the rear end of the u-shaped rod 73 is fixedly connected with the front side of the special-shaped rack 62, the return plate 72 is fixedly connected with the top of the four u-shaped rod 73, the left side and the right side of the base 1 is fixedly connected with the return plate 71, the left side and the right side of the left side of the telescopic plate 71 is fixedly connected with the left side of the cylinder 71 and the left side of the left side and the left side of the telescopic plate 71 are fixedly connected with the left side of the left side bottom end of the cylinder 71.

Still including arc pinion rack 8, first gear 9 and conveying axle 10, place the board 53 bottom left and right sides all rotary type and be connected with conveying axle 10, conveying axle 10 runs through and places board 53, and conveying axle 10 rear end rigid coupling has first gear 9, and the front side rigid coupling of rear side fixed plate 52 has arc pinion rack 8, and arc pinion rack 8 cooperates with first gear 9.

The compression mechanism 11 comprises a rotating shaft 111, a ratchet wheel 112, a second gear 113, a rotating rod 114, a third gear 115, a bevel gear 116, a special-shaped rod 117, ratchet rods 118, elastic pieces 119 and piston plates 1110, wherein the rotating rod 114 is rotationally connected between the left side and the right side of the rear side fixing plate 52, the third gear 115 is circumferentially fixedly connected to the middle of the rotating rod 114, the bevel gear 116 is circumferentially fixedly connected to the left side of the rotating rod 114 at the center of the rear side of the large gear 54, the two bevel gears 116 are meshed, the rotating shaft 111 is rotationally connected between the left side lower part and the right side lower part of the outer rear side of the n-type seat 2, the second gear 113 is fixedly connected to the middle of the rotating shaft 111, the second gear 113 is meshed with the third gear 115, the ratchet wheels 112 are circumferentially fixedly connected to the left side and the right side of the rotating shaft 111, the left side and the right side of the heating frame 3 are symmetrically and slidingly connected with the special-shaped rod 117, the piston plates 1110 are fixedly connected between the front ends of the special-shaped rod 117, the piston plates are slidingly matched with the heating frame 3, the ratchet rods 118 are slidingly connected to the ratchet rods 118, the ratchet rods 118 are meshed with the ratchet rods 112, and the elastic pieces 119 are uniformly arranged between the inner bottoms of the special-shaped rod 118 and the elastic pieces 119.

When the wire harness is placed, the air cylinder 71 is started, the telescopic rod of the air cylinder 71 shortens and drives the return plate 72 to move downwards, the return plate 72 moves downwards and drives the u-shaped rod 73 to move downwards, the rear side u-shaped rod 73 moves downwards and drives the special-shaped rack 62 to move downwards, the u-shaped rod 73 moves downwards and drives the sliding frame 74 to move downwards through the second spring 76, the sliding frame 74 moves downwards and drives the arc-shaped hollow plate 78 to move downwards through the rolling shaft 77, the arc-shaped hollow plate 78 moves downwards and drives the limiting plate 75 to move downwards, the limiting plate 75 moves downwards to be in contact with the placing plate 53, when the limiting plate 75 is matched with the placing plate 53, the wire harness is limited, at the moment, the sliding frame 74 is also in contact with the n-shaped seat 2, the u-shaped rod 73 moves downwards continuously so that the second spring 76 is compressed, at the moment, the special-shaped rack 62 drives the large gear 54 to rotate reversely, the placing plate 53 rotates reversely and drives the limiting plate 75 to rotate reversely, the limiting plate 75 rotates reversely to drive the arc-shaped hollow plate 78 to rotate reversely, the left third spring 79 is stretched, the right third spring 79 is compressed, when the special-shaped rack 62 continues to move downwards and is disengaged from the large gear 54, the large gear 54 drives the placing plate 53 to rotate forwards and reset due to the action of the torsion spring 55, the placing plate 53 drives the limiting plate 75 to rotate forwards and reset, the left third spring 79 and the right third spring 79 move and reset, when the special-shaped rack 62 continues to move downwards to drive the large gear 54 to rotate forwards, the placing plate 53 drives the limiting plate 75 to rotate forwards, the limiting plate 75 drives the arc-shaped hollow plate 78 to rotate forwards, the right third spring 79 is compressed, the left third spring 79 is stretched, after tinning of both ends of the wire harness is completed, the telescopic rod of the starting cylinder 71 extends to drive the return plate 72 to move upwards and reset, the return plate 72 resets to drive the u-shaped rod 73 to move upwards and reset, the u-shaped rod 73 moves upwards to reset to drive the special-shaped rack 62 to move upwards to reset, the special-shaped rack 62 resets and is disengaged from the large gear 54, the placing plate 53 drives the limiting plate 75 to reversely reset, the u-shaped rod 73 moves upwards to reset to enable the second spring 76 to stretch and reset, the u-shaped rod 73 drives the sliding frame 74 to move upwards to reset through the second spring 76, the sliding frame 74 moves upwards to reset to drive the arc-shaped hollow plate 78 to move upwards to reset through the rolling shaft 77, the arc-shaped hollow plate 78 moves upwards to reset to drive the limiting plate 75 to move upwards to reset, the limiting plate 75 resets and is separated from contact with a wire harness, the limiting plate 75 stops limiting the wire harness, and the air cylinder 71 is closed. In this way, the wire harness is prevented from coming off the placement plate 53 to affect tin plating.

When the placing plate 53 drives the wire harness to rotate reversely, the placing plate 53 also drives the conveying shaft 10 to rotate reversely, the conveying shaft 10 rotates reversely to drive the first gear 9 to rotate reversely, the arc toothed plate 8 rotates the left first gear 9 outwards when the placing plate 53 drives the wire harness to rotate reversely and the arc toothed plate 8 is meshed, the left first gear 9 rotates the right conveying shaft 10 outwards when the placing plate 53 rotates the wire harness to rotate reversely, the left conveying shaft 10 rotates the wire harness to slide to the inside of the left charging frame 4 outwards, after the tin plating of the left end of the wire harness is completed, the placing plate 53 drives the wire harness to rotate reversely to reset, the left first gear 9 rotates the wire harness to rotate reversely and the arc toothed plate 8 rotates inwards, the right first gear 9 rotates the wire harness to move rightwards through the arc toothed plate 8 when the placing plate 53 drives the wire harness to rotate reversely, the right first gear 9 rotates the right conveying shaft 10 outwards, the wire harness moves rightwards when the tin plating of the wire harness is completed, and the right first gear 9 rotates the right reversing and the wire harness to reset to rotate the right through the arc toothed plate 8. So, after the pencil tin-plating is accomplished, can make the pencil reset, make things convenient for people to take out.

When the large gear 54 rotates reversely, the large gear 54 drives the front bevel gear 116 to rotate reversely, the front bevel gear 116 rotates reversely to drive the rear bevel gear 116 to rotate reversely, the rear bevel gear 116 rotates reversely to drive the rotary rod 114 to rotate reversely, the rotary rod 114 rotates reversely to drive the third gear 115 to rotate reversely, the third gear 115 rotates reversely to drive the second gear 113 to rotate positively, the second gear 113 rotates positively to drive the rotating shaft 111 to rotate positively, the rotating shaft 111 rotates positively to drive the ratchet wheel 112 to rotate positively, the ratchet wheel 112 rotates positively to drive the ratchet bar 118 to move forwardly, the ratchet bar 118 moves forwardly to drive the special-shaped rod 117 to move forwardly, the special-shaped rod 117 moves forwardly to drive the piston plate 1110 to move forwardly, the piston plate 1110 moves forwardly to squeeze tin liquid in the heating frame 3, when the large gear 54 rotates positively to reset, the ratchet wheel 112 also rotates reversely on the ratchet bar 118 due to the action of the elastic piece 119, and after one end of the wire harness is plated, the tin liquid can be extruded once. When the piston plate 1110 moves forward to the maximum stroke, the ratchet bar 118 is pulled to move downwards and disengage from the ratchet 112, the elastic piece 119 is stretched, the ratchet bar 118 is pulled to drive the special-shaped rod 117 to move backwards for resetting, the special-shaped rod 117 resets to drive the piston plate 1110 to move backwards for resetting, the ratchet bar 118 is loosened, and the ratchet bar 118 moves upwards for resetting and is engaged with the ratchet 112 under the action of the elastic piece 119. Thus, with the continuous use of the tin liquid, the situation that tin cannot be plated at the two ends of the wire harness due to the fact that the tin liquid cannot be discharged into the charging frame 4 can be avoided.

Referring to fig. 1, fig. 2, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 15, the electric heating device further comprises a contact mechanism 12, the contact mechanism 12 comprises a special-shaped movable rod 121, an electromagnet 122, an iron block 123, a contact plate 124, a fourth spring 125 and a button 126, the contact plate 124 is slidably arranged between the front parts of the left side and the right side in the heating frame 3, the contact plate 124 is matched with the piston plate 1110, the middle part of the front side of the heating frame 3 is slidably connected with the special-shaped movable rod 121 in a penetrating way, the rear end of the upper part of the special-shaped movable rod 121 is fixedly connected with the middle part of the front side of the contact plate 124, the rear side of the special-shaped movable rod 121 is connected with the fourth spring 125 between the inner side of the base 1 and the inside of the base 1, the button 126 is matched with the special-shaped movable rod 121, the electromagnet 122 is mounted in the middle of the rear side of the top of the base 1, the electromagnet 122 is in circuit connection with the button 126, the iron block 123 is fixedly connected with the iron block 123 between the outer bottoms of the left side and the ratchet strips 118.

The heating frame is characterized by further comprising a hollow tube 13, an indicating plate 14 and a piston indicating rod 15, wherein the hollow tube 13 is fixedly connected between the front side of the bottom of the arc plate 51 and the front side of the top of the heating frame 3 in a penetrating way, the hollow tube 13 is communicated with the inside of the heating frame 3, the piston indicating rod 15 is slidably arranged in the hollow tube 13, the indicating plate 14 is fixedly connected between the rear side of the top of the hollow tube 13 and the inner side surface of the arc plate 51, and the indicating plate 14 is matched with the piston indicating rod 15.

When the ratchet bar 118 moves forward, the ratchet bar 118 further drives the iron block 123 to move forward, when the piston plate 1110 moves forward to be in contact with the contact plate 124, the iron block 123 corresponds to the electromagnet 122, the piston plate 1110 drives the contact plate 124 to move forward, the contact plate 124 moves forward to drive the special-shaped movable rod 121 to move forward, the fourth spring 125 is compressed, when the special-shaped movable rod 121 moves forward to be in contact with the button 126, the electromagnet 122 is started, the electromagnet 122 sucks the iron block 123 to move downward, the iron block 123 moves downward to drive the ratchet bar 118 to move downward to be disengaged with the ratchet 112, the ratchet bar 118 is pulled to move backward to drive the piston plate 1110 to move backward to reset through the special-shaped rod 117, the ratchet bar 118 drives the iron block 123 to move backward to be disengaged with the electromagnet 122, the piston plate 1110 resets to be disengaged with the contact plate 124, the special-shaped movable rod 121 moves backward to reset due to the action of the fourth spring 125, the special-shaped movable rod 121 resets to be disengaged with the button 126, and the electromagnet 122 is closed. In this way, it is avoided that the heating wire in the heating frame 3 is broken by continuing to move forward when the piston plate 1110 moves forward to the maximum stroke.

When molten tin is added into the heating frame 3, molten tin also flows into the hollow tube 13, the molten tin drives the piston indicating rod 15 to move upwards to a proper position, if the molten tin in the charging frame 4 does not reach a designated height, the piston indicating rod 15 moves downwards, and an operator can clearly know the molten tin amount in the charging frame 4 by indicating the position on the indicating plate 14 through the piston indicating rod 15. In this way, it is possible to avoid that the tin plating is affected by the failure of the tin liquid in the charging frame 4 to reach the prescribed height.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a pencil both ends are tinning stack in batches for electronic product production, its characterized in that, including base (1), n type seat (2), heating frame (3), charging frame (4), placing mechanism (5) and actuating mechanism (6), base (1) one side middle part rigid coupling has n type seat (2), actuating mechanism (6) are installed in n type seat (2) one side of keeping away from base (1), heating frame (3) rigid coupling is in being close to between four sides in n type seat (2) of base (1), charging frame (4) rigid coupling is in keeping away from the heating frame (3) both ends of base (1) and intercommunication, placing mechanism (5) are installed on n type seat (2), placing mechanism (5) and actuating mechanism (6) cooperation, placing mechanism (5) and charging frame (4) cooperation; the placing mechanism (5) comprises an arc-shaped plate (51), a fixed plate (52), a placing plate (53), a large gear (54) and a torsion spring (55); the driving mechanism (6) comprises an n-shaped plate (61), a special-shaped rack (62), a handle (63) and a first spring (64); the device also comprises a limiting mechanism (7), wherein the limiting mechanism (7) comprises an air cylinder (71), a return plate (72), a u-shaped rod (73), a sliding frame (74), a limiting plate (75), a second spring (76), a roller (77), an arc-shaped hollow plate (78) and a third spring (79); the device also comprises an arc toothed plate (8), a first gear (9) and a conveying shaft (10);

the working mode is specifically as follows: when a proper amount of wire harnesses are placed into the placement plate (53), the air cylinder (71) is started, the telescopic rod of the air cylinder (71) shortens and drives the return plate (72) to move downwards, the return plate (72) moves downwards and drives the u-shaped rod (73) to move downwards, the rear side u-shaped rod (73) moves downwards and also drives the special-shaped rack (62) to move downwards, the u-shaped rod (73) moves downwards and drives the sliding frame (74) to move downwards through the second spring (76), the sliding frame (74) moves downwards and drives the arc-shaped hollow plate (78) to move downwards through the rolling shaft (77), the arc-shaped hollow plate (78) moves downwards and drives the limiting plate (75) to move downwards, when the limiting plate (75) moves downwards to be in contact with the placement plate (53), the wire harnesses are limited, at the moment, the sliding frame (74) is also in contact with the n-shaped seat (2) to be limited, the u-shaped rack (73) continues to move downwards and enables the second spring (76) to be compressed, at the moment, the special-shaped rack (62) drives the large gear (54) to rotate reversely, the placement plate (53) rotates reversely, the wire harnesses are placed reversely, the third spring (53) drives the limiting plate (75) to rotate reversely, the third spring (79) drives the limiting plate (79) to rotate reversely, the left side (53) to rotate reversely, and the limiting plate (79) to be compressed and the third spring (79) to rotate reversely, when the special-shaped rack (62) continuously moves downwards to be disengaged from the large gear (54), the large gear (54) drives the placing plate (53) to rotate forwards for reset due to the action of the torsion spring (55), the placing plate (53) drives the limiting plate (75) to rotate forwards for reset, the third springs (79) on the left side and the right side move for reset, and then the special-shaped rack (62) continuously moves downwards to drive the large gear (54) to rotate forwards, the placing plate (53) drives the limiting plate (75) to rotate forwards, the limiting plate (75) drives the arc-shaped hollow plate (78) to rotate forwards, the third springs (79) on the right side are compressed, the third springs (79) on the left side are stretched, after the two ends of the wire harness are plated, the telescopic rods of the starting cylinder (71) stretch to drive the return plate (72) to move upwards for reset, the return plate (72) is reset to drive the u-shaped rod (73) to move upwards for reset, the u-shaped rod (73) moves upwards for reset, the special-shaped rack (62) is reset to be disengaged from the large gear (54), the placing plate (53) drives the return plate (75) to move upwards to drive the return plate (73) to move upwards for reset, the return plate (73) moves upwards to move upwards through the second spring (76), the sliding frame (74) moves upwards to reset, the arc-shaped hollow plate (78) is driven by the rolling shaft (77) to move upwards to reset, the arc-shaped hollow plate (78) moves upwards to reset, the limiting plate (75) is driven to move upwards to reset, the limiting plate (75) resets and is separated from contact with the wire harness, the limiting plate (75) stops limiting the wire harness, and the air cylinder (71) is closed; when the placing plate (53) drives the wire harness to rotate reversely, the placing plate (53) also drives the conveying shaft (10) to rotate reversely, the conveying shaft (10) rotates reversely to drive the first gear (9) to rotate reversely, when the left first gear (9) rotates reversely and is meshed with the arc toothed plate (8), the arc toothed plate (8) enables the left first gear (9) to rotate outwards, the left first gear (9) rotates outwards to drive the left conveying shaft (10) to rotate outwards, the left conveying shaft (10) rotates outwards to drive the wire harness to slide leftwards into the left material loading frame (4), after the tin plating of the left end of the wire harness is completed, the placing plate (53) drives the wire harness to rotate forwards to reset, the left first gear (9) rotates forwards through the arc toothed plate (8), the arc toothed plate (8) rotates inwards to drive the wire harness to move rightwards for resetting, similarly, when the placing plate (53) drives the wire harness to rotate forwards, the right first gear (9) rotates forwards outwards through the arc toothed plate (8), the right first gear (9) rotates outwards to drive the right conveying shaft (10) to rotate outwards, the right conveying shaft (10) rotates outwards to drive the wire harness to move rightwards, the wire harness moves rightwards to the right charging frame (4) for tinning, after the right end of the wire harness is tinned, the placing plate (53) rotates reversely to drive the wire harness to rotate reversely for resetting, the right first gear (9) rotates reversely through the arc toothed plate (8) inwards, the right first gear (9) rotates inwards to drive the right conveying shaft (10) to rotate inwards, and the right conveying shaft (10) rotates inwards to drive the wire harness to move leftwards for resetting.

2. The batch tinning device for two ends of a wire harness for electronic product production according to claim 1, wherein the fixing plates (52) are fixedly connected between each two sides in the n-type seat (2), the number of the fixing plates (52) is two, the placing plates (53) are rotatably connected between the middle parts of the fixing plates (52), the large gear (54) is fixedly sleeved at one end of a shaft of the placing plates (53), the large gear (54) is matched with the driving mechanism (6), the arc plate (51) is fixedly connected between four sides in the n-type seat (2), the arc plate (51) is matched with the placing plates (53), the torsion spring (55) is connected between one side of the large gear (54) and one side of one fixing plate (52), and the torsion spring (55) is wound on the shaft of the placing plates (53).

3. The batch tinning device for two ends of a wire harness for electronic product production according to claim 2, wherein the n-shaped plate (61) is fixedly connected to the middle part of one side outside an n-shaped seat (2) far away from the base (1), the special-shaped rack (62) is slidably sleeved on one side of the n-shaped plate (61), the special-shaped rack (62) is matched with the large gear (54), the first springs (64) are connected between the inner side of the special-shaped rack (62) and one side outside the n-shaped plate (61), the number of the first springs (64) is two, and the handle (63) is fixedly connected between two sides of the special-shaped rack (62).

4. A wire harness both ends are tin plating device in batches for electronic product production according to claim 3, characterized in that, slide frame (74) symmetry's slidingtype cross-under is in keeping away from n type seat (2) one side of base (1), roller (77) rotary connection is between slide frame (74) both sides middle part, arc hollow slab (78) slidable suit is on roller (77), limiting plate (75) rigid coupling is between two arc hollow slab (78) outer sides, limiting plate (75) cooperates with placing board (53), third spring (79) are connected between slide frame (74) outer both sides and arc hollow slab (78) outside, u type pole (73) slidable set up between slide frame (74) both sides, wherein one u type pole (73) one end and special-shaped rack (62) one side fixed connection, second spring (76) symmetry's connection is in u type pole (73) outer side, second spring (76) tail end and slide frame (74) internal fixation, return spring (72) rigid coupling is in keeping away from base (1) both sides of U type pole (73) and cylinder (71) side towards whole cylinder end fixed connection of base (71).

5. The batch tinning device for two ends of a wire harness for electronic product production according to claim 4, wherein the conveying shaft (10) is symmetrically and rotatably connected to one side of the placing plate (53) facing the base (1), the conveying shaft (10) penetrates through the placing plate (53), the first gear (9) is fixedly sleeved at the end part of the conveying shaft (10) close to the large gear (54), the arc toothed plate (8) is fixedly connected to the middle part of one side of the placing plate (53) facing the base (1), and the arc toothed plate (8) is matched with the first gear (9).

6. The batch tinning device for two ends of a wire harness for electronic product production according to claim 5, further comprising a compression mechanism (11), wherein the compression mechanism (11) comprises a rotating shaft (111), a ratchet wheel (112), a second gear (113), a rotating rod (114), a third gear (115), a bevel gear (116), a special-shaped rod (117), a ratchet bar (118), an elastic piece (119) and a piston plate (1110), the rotating rod (114) is rotationally connected to one side of one fixing plate (52) close to the large gear (54), the third gear (115) is fixedly sleeved on the middle part of the rotating rod (114) in the circumferential direction, the number of the bevel gears (116) is two, one bevel gear (116) is fixedly sleeved on the center position of one side of the large gear (54), the other bevel gear (116) is fixedly sleeved on the circumferential direction of one side of the rotating rod (114), the two bevel gears (116) are meshed, the rotating shaft (111) is rotationally connected between two outer sides of an n-shaped seat (2), the ratchet wheel (112) is symmetrically fixed on the circumferential direction of the rotating shaft (111), the second gear (113) is fixedly sleeved on the middle part of the rotating shaft (111), the middle part of the second gear (111) is fixedly sleeved on the middle part of the rotating shaft (111), the other bevel gear (116) is symmetrically meshed with the special-shaped rod (117) in the circumferential direction, and is in the sliding mode, and is meshed with the special-shaped frame (3), the piston plate (1110) is fixedly connected between one ends of the two special-shaped rods (117), the piston plate (1110) is in sliding fit with the heating frame (3), the ratchet strip (118) is slidably connected on one side of the special-shaped rod (117) far away from the piston plate (1110) in a penetrating mode, the ratchet strip (118) is meshed with the ratchet wheel (112), and the elastic piece (119) is connected between one side in the ratchet strip (118) and one side in the special-shaped rod (117) at intervals.

7. The batch tinning device for two ends of a wire harness for electronic product production according to claim 6, further comprising a contact mechanism (12), wherein the contact mechanism (12) comprises a special-shaped movable rod (121), an electromagnet (122), an iron block (123), a contact plate (124), a fourth spring (125) and a button (126), the contact plate (124) is slidably arranged between two inner sides of the heating frame (3), the contact plate (124) is matched with the piston plate (1110), the special-shaped movable rod (121) is slidably connected on one side of the heating frame (3) in a penetrating way, one end of the special-shaped movable rod (121) is fixedly connected with one side of the contact plate (124), the fourth spring (125) is connected between one side of the special-shaped movable rod (121) and the inside of the base (1), the button (126) is fixedly connected inside the base (1) close to the fourth spring (125), the button (126) is matched with the special-shaped movable rod (121), the electromagnet (122) is fixedly connected in the middle of one side of the base (1), the iron block (123) is fixedly connected between two outer sides of the two ratchet bars (118), and the iron block (123) is fixedly connected with the electromagnet (118).

8. The batch tinning device for two ends of a wire harness for electronic product production according to claim 7, further comprising a hollow tube (13), an indicating plate (14) and a piston indicating rod (15), wherein the hollow tube (13) is fixedly connected between one side of the arc-shaped plate (51) and one side of the heating frame (3) in a penetrating manner, the hollow tube (13) is communicated with the inside of the heating frame (3), the piston indicating rod (15) is slidably arranged in the hollow tube (13), the indicating plate (14) is fixedly connected between one side of the hollow tube (13) and the inner side of the arc-shaped plate (51), and the indicating plate (14) is matched with the piston indicating rod (15).