CN114045412B

CN114045412B - Manufacturing method and forming die of environment-friendly tin bar

Info

Publication number: CN114045412B
Application number: CN202111169397.3A
Authority: CN
Inventors: 陈风; 唐朝辉; 陈涛
Original assignee: Anhui Guiqian New Material Co ltd
Current assignee: Anhui Guiqian New Material Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-08-16
Anticipated expiration: 2041-10-08
Also published as: CN114045412A

Abstract

The invention discloses a manufacturing method of an environment-friendly tin bar and a forming die thereof, and the environment-friendly tin bar comprises a lower die holder, wherein a forming plate is arranged in the lower die holder, vibration mechanisms are arranged on two sides of the lower die holder, an extrusion mechanism is arranged between the lower die holder and the forming plate, a purification mechanism is arranged between the extrusion mechanism and the lower die holder, the vibration mechanism comprises a connecting shell, the connecting shell is fixedly connected with the lower die holder, a sliding groove is formed in the connecting shell, a connecting block is connected in the sliding groove in a sliding manner, a poking rod is fixed at the upper end of the connecting block, and a limiting block is fixed on one side of the connecting block, which is far away from the lower die holder. According to the invention, molten tin is poured into the forming plate to be formed, the formed tin bar is automatically demoulded by the extruding mechanism after being formed, the forming quality and the demoulding process of the tin bar can be manually assisted by the arrangement of the oscillating mechanism, and meanwhile, the body health of staff is ensured by the arrangement of the purifying mechanism.

Description

Manufacturing method and forming die of environment-friendly tin bar

Technical Field

The invention relates to the technical field of environment-friendly tin bars, in particular to a manufacturing method of an environment-friendly tin bar and a forming die thereof.

Background

The tin soldering bar is mainly used for welding tin devices of electric industry, electronic industry and tableware, welding high-temperature resistant devices of electric industry, electronic industry, printed circuits, micro technology, aviation industry and plating metal, has the advantages of low viscosity after melting, good fluidity, high weldability, less slag discharge amount after melting and the like, and is widely applied at present.

However, most of the raw materials adopted by the common welding rod contain toxic and polluting component substances such as lead, the substances can volatilize in the welding production, toxic steam is generated, the environment is not protected when the substances have great harm to the human body, and meanwhile, the traditional soldering tin bar forming die also needs manual assistance die sinking, an air purification mechanism and uncontrollable forming quality.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an environment-friendly tin bar manufacturing method and a forming mold thereof are provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the defects of manual auxiliary die opening, no air purification mechanism and uncontrollable molding quality in the prior art, and provides an environment-friendly tin bar manufacturing method and a molding die thereof.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme:

an environment-friendly tin bar manufacturing method and a forming die thereof comprise the following steps:

s1, taking 85 parts by weight of tin, heating the tin to be molten, keeping the temperature, stirring for 20-25min, and fishing out tin slag after stirring to obtain a tin liquid;

s2, taking 0.01 to 0.12 weight part of bismuth and 0.01 to 0.3 weight part of phosphorus, heating and melting the bismuth and the phosphorus, pouring the molten bismuth and the phosphorus into tin liquid, and stirring the molten bismuth and the phosphorus to be fully mixed to obtain mixed liquid;

s3, heating 1-3.5 parts by weight of nickel, 2-4.5 parts by weight of copper, 1-2.2 parts by weight of cobalt and 0.02-0.05 part by weight of germanium until the nickel, the cobalt and the germanium are melted, pouring the mixture into the mixed solution, and stirring to obtain a soldering tin solution;

and S4, pouring the soldering tin liquid into a forming die to be cooled and formed, so as to obtain the environment-friendly soldering tin bar.

A manufacturing method of an environment-friendly tin bar and a forming die thereof comprise a lower die holder, wherein a forming plate is arranged inside the lower die holder, vibration mechanisms are arranged on two sides of the lower die holder, an extruding mechanism is arranged between the lower die holder and the forming plate, a purifying mechanism is arranged between the extruding mechanism and the lower die holder, the vibration mechanisms comprise connecting shells, the connecting shells are fixedly connected with the lower die holder, sliding grooves are formed inside the connecting shells, connecting blocks are slidably connected inside the sliding grooves, a poking rod is fixed at the upper ends of the connecting blocks, a limiting block is fixed on one side of the connecting blocks far away from the lower die holder, the limiting block is fixedly connected with the connecting shells, transmission rods are fixed at the front and rear ends of the connecting blocks, a knocking block is fixed on one side of the transmission rods close to the lower die holder, a reset spring is fixed on one side of the transmission rods far away from the knocking block, and a mounting block is fixed on one side of the reset spring far away from the transmission rods, the mounting block is fixedly connected with the connecting shell, the extruding mechanism comprises a jacking block, the jacking block is fixedly connected with the forming plate, the lower end of the jacking block is fixed with a heat conducting rod, the outer part of the heat conducting rod is connected with a hollow column in a run-through manner, the lower end of the heat conducting rod is fixed with a buffer spring, one side of the buffer spring, which is far away from the center of the forming plate, is fixed with a clamping block, one side of the clamping block, which is far away from the heat conducting rod, is connected with a supporting block in a sliding manner, a supporting spring is fixed on one side of the supporting block away from the clamping block, a closed plate is fixed outside the supporting spring, the closing plate is fixedly connected with the lower die holder, one side of the heat conducting rod, which is far away from the clamping block, is rotatably connected with a push-pull rod, one end of the push-pull rod, which is far away from the heat conducting rod, is rotatably connected with a fixed rod, both sides of the fixed rod are fixedly connected with the lower die holder, one side of the jacking block, which is far away from the push-pull rod, is rotatably connected with a tilting rod, and the upper end of the tilting rod is rotatably connected with the forming plate.

Preferably, purification mechanism includes the pilot rod, and pilot rod one end rotates with the stick-up pole to be connected, the one end that the stick-up pole was kept away from to the pilot rod rotates and is connected with the extrusion piece, and the extrusion piece lower extreme is fixed with reciprocating spring, reciprocating spring and die holder fixed connection, extrusion piece upper end sliding connection have the elasticity bag, and elasticity bag upper end is fixed with the purification stopper.

Preferably, the heat conducting rod is T-shaped, the diameter of the lower end of the heat conducting rod is equal to that of the inner wall of the hollow column, and the lower end of the heat conducting rod is connected with the inner wall of the hollow column in a sliding mode.

Preferably, the forming plates are seven in number and distributed in the lower die base in an array mode.

Preferably, the side, close to each other, of each clamping block and each supporting block is subjected to fillet processing.

Preferably, one side of the forming plate is rotatably connected with the closing plate, and the side of the forming plate, which is far away from the closing plate, is slidably connected with the lower die holder.

Preferably, a protective shell is fixed outside the purification plug and is fixedly connected with the lower die holder.

Preferably, the central axis of the reciprocating spring is in the same straight line with the central axes of the extrusion block and the elastic bag.

Preferably, the size of the sliding groove is matched with the size of the connecting block.

(III) advantageous effects

Compared with the prior art, the embodiment of the invention provides an environment-friendly tin bar manufacturing method and a forming die thereof, which have the following beneficial effects:

1. according to the invention, molten tin is poured into the forming plate to be formed, the formed tin bar is automatically demoulded by the extruding mechanism after being formed, the forming quality and the demoulding process of the tin bar can be manually assisted by the arrangement of the oscillating mechanism, and meanwhile, the body health of staff is ensured by the arrangement of the purifying mechanism;

2. according to the invention, the poke rod is poked to push the connecting block to slide, at the moment, the connecting block moves to simultaneously drive the transmission rod to compress the reset spring, and the poke rod is released after the connecting block is contacted with the limiting block, so that the reset spring rebounds to drive the knocking block to impact the lower die holder, and the effects of automatically improving the forming quality and facilitating demoulding are achieved;

3. according to the invention, the tin liquid in the molding plate is gradually cooled, the pressure in the hollow column is gradually reduced so as to drive the buffer spring to reset, the jacking block is further pulled to move downwards, the molding plate is tilted by the movement of the jacking block, and the molded tin bar is extruded out, so that the effect of automatic demolding according to the molding condition of the tin bar is achieved;

4. according to the invention, the elastic bag is reset through the reverse movement of the extrusion block, and external air can be sucked in the resetting process of the elastic bag, so that the purification plug can purify tin powder in the air, and the effect of automatically purifying the tin powder in the air is achieved.

Drawings

FIG. 1 is a top cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;

FIG. 5 is a structural view of an oscillating mechanism according to the present invention;

FIG. 6 is a schematic view of the structure of the purification mechanism of the present invention.

In the figure: 1. a lower die holder; 2. forming a plate; 3. a vibrating mechanism; 4. an extrusion mechanism; 5. a purification mechanism; 301. connecting the shell; 302. a sliding groove; 303. connecting blocks; 304. a poke rod; 305. a limiting block; 306. a transmission rod; 307. knocking the block; 308. a return spring; 309. mounting blocks; 401. jacking blocks; 402. a heat conducting rod; 403. a hollow column; 404. a buffer spring; 405. a clamping block; 406. a support block; 407. a support spring; 408. a closing plate; 409. a push-pull rod; 410. a fixing rod; 411. a tilting rod; 501. a guide rod; 502. extruding the block; 503. a reciprocating spring; 504. an elastic bag; 505. a purge plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-6, a method for manufacturing an environment-friendly tin bar and a forming die thereof comprise the following steps, which are characterized in that:

Example two

Referring to fig. 1, 2 and 5, the embodiment is substantially the same as the first embodiment, and more preferably, the method for manufacturing the environment-friendly tin bar and the forming mold thereof include a lower mold base 1, forming plates 2 are arranged inside the lower mold base 1, the forming plates 2 are seven in number and are distributed inside the lower mold base 1 in an array manner, oscillation mechanisms 3 are arranged on both sides of the lower mold base 1, an extrusion mechanism 4 is arranged between the lower mold base 1 and the forming plates 2, and a purification mechanism 5 is arranged between the extrusion mechanism 4 and the lower mold base 1;

through pouring molten tin into profiled sheeting 2 in, make its shaping, make fashioned tin bar automatic demoulding through extruding means 4 behind the shaping, and vibrate the shaping quality and the drawing of patterns process that can make artifical supplementary tin bar of setting up of mechanism 3, make staff's health to obtain guaranteeing through setting up purification mechanism 5 simultaneously.

Vibrate mechanism 3 including connecting casing 301, connect casing 301 and lower bolster 1 fixed connection, it has seted up sliding tray 302 to connect casing 301 inside, sliding tray 302 inside sliding connection has connecting block 303, sliding tray 302's shape size and the shape size looks adaptation of connecting block 303, connecting block 303 upper end is fixed with poker rod 304, one side that lower bolster 1 was kept away from to connecting block 303 is fixed with stopper 305, stopper 305 and connection casing 301 fixed connection, both ends all are fixed with the transfer line 306 around the connecting block 303, one side that transfer line 306 is close to lower bolster 1 is fixed with strikes piece 307, one side that transfer line 306 kept away from to strike piece 307 is fixed with reset spring 308, one side that reset spring 308 kept away from transfer line 306 is fixed with installation piece 309, installation piece 309 with connect casing 301 fixed connection.

In this embodiment, after the tin liquid is poured into the forming plate 2 by the operator, the operator needs to manually stir the poke rod 304 to apply a pushing force to the poke rod, so as to push the connecting block 303 to slide along the sliding groove 302 until the sliding groove 302 contacts with the limiting block 305, at this time, the connecting block 303 moves to simultaneously drive the driving rod 306 to move, the driving rod 306 moves to compress the reset spring 308 to contract, after the connecting block 303 contacts with the limiting block 305, the operator loosens the poke rod 304, so that the reset spring 308 starts to rebound to drive the knocking block 307 to impact the lower die holder 1 to generate vibration, the vibration is transmitted into the forming plate 2 to vibrate the tin liquid in the forming plate to remove internal bubbles, and the vibration is performed before die opening, so that the formed tin bar is loosened from the lower die holder 1 and the forming plate 2, and the die opening is easier to be released, thus, the effect of automatically improving the forming quality and facilitating demoulding is achieved.

EXAMPLE III

Referring to fig. 1 to 4, this embodiment is substantially the same as the first and second embodiments, and more preferably, the extruding mechanism 4 includes a lifting block 401, the lifting block 401 is fixedly connected to the forming plate 2, a heat conducting rod 402 is fixed to a lower end of the lifting block 401, a hollow column 403 is connected to an outer portion of the heat conducting rod 402 in a through manner, the heat conducting rod 402 is "T" shaped, a diameter of a lower end of the heat conducting rod 402 is equal to a diameter of an inner wall of the hollow column 403, a lower end of the heat conducting rod 402 is slidably connected to an inner wall of the hollow column 403, a buffer spring 404 is fixed to a lower end of the heat conducting rod 402, a latch 405 is fixed to a side of the buffer spring 404 away from a center of the forming plate 2, a support block 406 is slidably connected to a side of the latch 405 away from the heat conducting rod 402, a side of the latch 405 and a side of the support block 406 that are close to each other are both chamfered, a support spring 407 is fixed to a side of the support block 406, a closing plate 408 is fixed to an outer portion of the support spring 407, forming plate 2 one side is rotated with closing plate 408 and is connected, one side and lower die holder 1 sliding connection of closing plate 408 are kept away from to forming plate 2, closing plate 408 and 1 fixed connection of lower die holder, one side that fixture block 405 was kept away from to heat conduction rod 402 is rotated and is connected with push-and-pull rod 409, the one end that heat conduction rod 402 was kept away from to push-and-pull rod 409 is rotated and is connected with dead lever 410, dead lever 410 both sides all with lower die holder 1 fixed connection, one side that push-and-pull rod 409 was kept away from to jacking piece 401 is rotated and is connected with tilting rod 411, tilting rod 411 upper end rotates with forming plate 2 and is connected.

In this embodiment, when the forming plate 2 is pressed manually by an operator, the pressure applied by the operator acts on the tilting rod 411 through the forming plate 2, and then drives the fixing rod 410 to rotate, the fixing rod 410 rotates to drive the push-pull rod 409 to move, the push-pull rod 409 moves to apply a pulling force to the heat conducting rod 402, the pulling force acts on the buffer spring 404, so as to stretch the buffer spring 404 to deform and drive the lifting block 401 to move upwards, the lifting block 401 moves upwards to push the forming plate 2 to move, and during the movement of the heat conducting rod 402, the heat conducting rod 409 drives the fixture block 405 to move, the support block 406 applies a pressing force to each other rancour during the movement of the fixture block 405, the pressing force acts on the support spring 407 to contract the support spring 407, so that the fixture block 405 can continue to move upwards, when the forming plate 2 moves to be horizontal to the bottom of the inner wall of the lower die holder 1, at this time, the latch block 405 is just separated from the supporting block 406, so that the supporting spring 407 rebounds to allow the supporting block 406 to latch the latch block 405, at this time, the operator should hear a rattling sound, the forming plate 2 is temporarily kept horizontal, the operator is required to put the molten tin into the forming plate 2, the heat of the molten tin is conducted to the hollow column 403 through the heat conducting rod 402, so that the increase of the internal pressure pushes the heat conduction rod 402 to move upward, thereby exerting a supporting force on the forming plate 2 to help it to be horizontal, as the molten tin in the molding plate 2 is gradually cooled, the pressure inside the hollow column 403 is gradually reduced to drive the buffer spring 404 to return, further pulling the jacking block 401 to move downwards, the jacking block 401 moves so as to tilt the forming plate 2, and then extrude the tin bar that has already formed, so just reached the effect that can demould according to the shaping condition automatic of tin bar.

Example four

Referring to fig. 1, 2, 3 and 6, the present embodiment is substantially the same as the first, second and third embodiments, and more preferably, the purification mechanism 5 includes a guide rod 501, one end of the guide rod 501 is rotatably connected to a tilting rod 411, one end of the guide rod 501, which is far away from the tilting rod 411, is rotatably connected to an extrusion block 502, a reciprocating spring 503 is fixed to a lower end of the extrusion block 502, the reciprocating spring 503 is fixedly connected to the lower die holder 1, an elastic bag 504 is slidably connected to an upper end of the extrusion block 502, a central axis of the reciprocating spring 503 is collinear with central axes of the extrusion block 502 and the elastic bag 504, a purification plug 505 is fixed to an upper end of the elastic bag 504, and a protection housing is fixed to an exterior of the purification plug 505 and fixedly connected to the lower die holder 1.

In this embodiment, in the process of tin bar molding, the tilting rod 411 can move, and the tilting rod 411 can drive the guide rod 501 to move at the same time in the moving process, so that the guide rod 501 moves to pull the extrusion block 502, at this time, the extrusion block 502 can stretch the reciprocating spring 503 to deform and then extrude the elastic bag 504 to contract, and when demolding is performed after molding, the extrusion block 502 moves in the reverse direction to reset the elastic bag 504, the external air can be sucked in the resetting process of the elastic bag 504, so that the purification plug 505 purifies the tin powder in the air, and thus the effect of automatically purifying the tin powder in the air is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The manufacturing method of the environment-friendly tin bar comprises the following steps of:

s4, pouring soldering tin liquid into a forming die comprising a lower die base (1), a forming plate (2), a vibrating mechanism (3), an extruding mechanism (4) and a purifying mechanism (5) for cooling and forming to obtain the environment-friendly soldering tin bar;

a forming plate (2) is arranged in the lower die holder (1), vibration mechanisms (3) are arranged on two sides of the lower die holder (1), an extrusion mechanism (4) is arranged between the lower die holder (1) and the forming plate (2), and a purification mechanism (5) is arranged between the extrusion mechanism (4) and the lower die holder (1);

the oscillating mechanism (3) comprises a connecting shell (301), the connecting shell (301) is fixedly connected with the lower die holder (1), a sliding groove (302) is arranged in the connecting shell (301), a connecting block (303) is connected in the sliding groove (302) in a sliding way, a poke rod (304) is fixed at the upper end of the connecting block (303), a limiting block (305) is fixed on one side of the connecting block (303) far away from the lower die holder (1), the limiting block (305) is fixedly connected with the connecting shell (301), a transmission rod (306) is fixed at the front end and the rear end of the connecting block (303), a knocking block (307) is fixed at one side of the transmission rod (306) close to the lower die holder (1), a return spring (308) is fixed on one side, away from the knocking block (307), of the transmission rod (306), a mounting block (309) is fixed on one side, away from the transmission rod (306), of the return spring (308), and the mounting block (309) is fixedly connected with the connecting shell (301);

the extrusion mechanism (4) comprises a jacking block (401), the jacking block (401) is fixedly connected with the forming plate (2), a heat conducting rod (402) is fixed at the lower end of the jacking block (401), a hollow column (403) is connected to the outer portion of the heat conducting rod (402) in a penetrating manner, a buffer spring (404) is fixed at the lower end of the heat conducting rod (402), a clamping block (405) is fixed at one side, away from the center of the forming plate (2), of the buffer spring (404), a supporting block (405) is connected to one side, away from the heat conducting rod (402), of the clamping block (405) in a sliding manner, a supporting spring (407) is fixed at one side, away from the clamping block (405), a closing plate (408) is fixed to the outer portion of the supporting spring (407), the closing plate (408) is fixedly connected with the lower die holder (1), a push-pull rod (409) is rotatably connected to one side, away from the clamping block (405), of the heat conducting rod (402), and a fixing rod (410) is rotatably connected to one end, away from the push-pull rod (409), both sides of the fixed rod (410) are fixedly connected with the lower die holder (1), one side, far away from the push-pull rod (409), of the jacking block (401) is rotatably connected with a tilting rod (411), and the upper end of the tilting rod (411) is rotatably connected with the forming plate (2);

purification mechanism (5) are including leading pole (501), and leading pole (501) one end rotates with stick up pole (411) and is connected, the one end that sticks up pole (411) was kept away from in leading pole (501) rotates and is connected with extrusion piece (502), and extrusion piece (502) lower extreme is fixed with reciprocal spring (503), reciprocal spring (503) and die holder (1) fixed connection, extrusion piece (502) upper end sliding connection have elastic bag (504), and elastic bag (504) upper end is fixed with and purifies stopper (505).

2. The method for manufacturing an environmentally friendly tin bar according to claim 1, wherein: the heat conducting rod (402) is T-shaped, the diameter of the lower end of the heat conducting rod (402) is equal to that of the inner wall of the hollow column (403), and the lower end of the heat conducting rod (402) is connected with the inner wall of the hollow column (403) in a sliding mode.

3. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: the forming plates (2) are seven in total and distributed in the lower die holder (1) in an array mode.

4. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: and the side, close to each other, of each clamping block (405) and each supporting block (406) is subjected to rounding processing.

5. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: one side of the forming plate (2) is rotationally connected with the closing plate (408), and one side of the forming plate (2) far away from the closing plate (408) is connected with the lower die holder (1) in a sliding manner.

6. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: and a protective shell is fixed outside the purification plug (505), and the protective shell is fixedly connected with the lower die holder (1).

7. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: the central axis of the reciprocating spring (503) is in the same straight line with the central axes of the extrusion block (502) and the elastic bag (504).

8. The method of manufacturing an environmentally friendly tin bar of claim 1, wherein: the size of the sliding groove (302) is matched with the size of the connecting block (303).