CN113278907B

CN113278907B - Metal part hot tinning fixing device

Info

Publication number: CN113278907B
Application number: CN202110841449.0A
Authority: CN
Inventors: 王耀琼
Original assignee: Nantong Zhongkuang Metal New Material Co ltd
Current assignee: Nantong Zhongkuang Metal New Material Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-09-28
Anticipated expiration: 2041-07-26
Also published as: CN113278907A

Abstract

The invention discloses a metal piece hot tinning fixing device, which comprises: a tin bath assembly; the rotating machine is fixedly arranged on one side of the tin liquid bath component; the supporting assembly is used for placing a metal piece needing tinning and comprises a supporting rod, an installation block and a bent rod, the bent rod is fixedly connected to the deflection end of the rotating machine, the installation block is vertically and fixedly connected to one end of the bent rod, and the supporting rod is fixedly connected to one side of the installation block; the limiting assembly comprises a gravity ring and a limiting strip, the gravity ring is sleeved on the outer side of the supporting rod in a sliding manner through a sliding assembly, and openings are formed in the two sides and the upper edge of the mounting block; and the tin scraping assemblies are fixedly arranged on two sides of the gravity ring. The invention supports the metal piece, can automatically transfer the metal piece from the tin liquid after the tin plating is finished, and can simultaneously scrape redundant tin liquid in the rotating process, thereby avoiding the excessive use and waste of the tin liquid.

Description

Metal part hot tinning fixing device

Technical Field

The invention relates to the technical field of metal processing, in particular to a metal piece hot tinning fixing device.

Background

The hot tinning is a process of immersing a metal material or a part with a clean surface in molten tin liquid, forming a layer of metal tin on the surface by utilizing a physical and chemical reaction generated at an interface, and in the tinning process, placing a metal piece to be tinned in a tin liquid tank filled with a molten state to enable the tin liquid to be uniformly wrapped on the surface of the metal piece to finish the tinning processing of the metal piece.

However, in order to ensure the tinning effect of the existing metal piece, the metal piece is mostly directly placed into the tinning bath, but the mode is very troublesome when the metal piece is taken, and meanwhile, because the tin is molten, when the metal piece is taken out from the inside of the tinning bath, a large amount of tin liquid is adhered to the surface of the metal piece, so that the excessive consumption of the tin liquid in the tinning bath is caused.

Disclosure of Invention

The invention aims to solve the following defects in the prior art, and mainly aims to directly place a metal piece into a tin plating bath, but the method is very troublesome in taking the metal piece, and simultaneously, because tin is molten, a large amount of tin liquid adheres to the surface of the metal piece when the metal piece is taken out from the tin plating bath, so that the excessive consumption of the tin liquid in the tin plating bath is caused, so that the hot tinning fixing device for the metal piece is provided.

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

a metal piece hot tin plating fixture, comprising:

the tin liquid bath component is used for placing molten tin liquid, and the metal piece is subjected to tin plating processing in the tin liquid bath;

the rotating machine is fixedly arranged on one side of the tin liquid bath component and is used for changing the horizontal position of the metal component;

the supporting assembly is used for placing a metal piece needing tinning and comprises a supporting rod, an installation block and a bent rod, the bent rod is fixedly connected to the deflection end of the rotating machine, the installation block is vertically and fixedly connected to one end of the bent rod, and the supporting rod is fixedly connected to one side of the installation block and used for supporting and placing the metal piece;

the limiting assembly comprises a gravity ring and limiting strips, the gravity ring is sleeved outside the supporting rod in a sliding mode through a sliding assembly, openings are formed in the two sides and the upper edge of the mounting block, the three limiting strips are respectively arranged in the openings in a limiting sliding mode, and one end of each limiting strip is vertically and fixedly connected with the gravity ring;

and the tin scraping assemblies are fixedly arranged on two sides of the gravity ring and used for scraping redundant tin liquid on the metal piece.

Preferably, the tin liquid bath subassembly includes cell body, passage and supports the piece, the card of cell body side is equipped with the rotation mouth that is used for the die-pin to remove, the one side that the rotation mouth was close to the rotation machine fixed connection cell body, passage fixed mounting is kept away from in the cell body and is rotated one side of mouthful for the leading-in of tin liquid, support the perpendicular fixed connection of piece and keep away from the bottom of rotating a mouthful one side at the cell body for the removal of restriction die-pin.

Preferably, the supporting assembly further comprises a front stop block and a rear stop block, the front stop block is fixedly connected to the front section of the supporting rod, the rear stop block is fixedly connected to the position where the supporting rod is connected with the mounting block, and a placing area is arranged between the front stop block and the rear stop block.

Preferably, a plurality of ejector rods used for jacking the metal piece are fixedly connected to the support rod, the ejector rods are distributed on the upper surface of the support rod at equal intervals, and the top end of the ejector rod is conical.

Preferably, a plurality of liquid holes are formed in the support rod and the front stop block, the liquid holes in the support rod are formed between two adjacent ejector rods, and the liquid holes in the front stop block are horizontally formed in the front stop block.

Preferably, the sliding assembly comprises a fixing rod, a rotating shaft and a rotating wheel, the fixing rod is vertically and fixedly connected to the mounting block and located below the supporting rod, a wheel groove is formed in the upper surface of the fixing rod in a clamped mode, the middle portion of the lower portion of the gravity ring protrudes, the fixing rod is clamped on the protruding portion, the rotating wheel is rotatably connected to the middle of the gravity ring through the rotating shaft, and the sliding clamp is arranged inside the wheel groove.

Preferably, the tin scraping assembly comprises two scraping rings, the two scraping rings are symmetrically arranged on two sides of the gravity ring, and the area of the two scraping rings is smaller than that of the gravity ring.

Preferably, one side of the mounting block fixedly connected with the support rod is provided with a cleaning assembly for cleaning tin liquid on the limiting assembly.

Preferably, the cleaning assembly comprises a first cleaning ring, a second cleaning ring and a liquid guiding sheet, the first cleaning ring is fixedly connected to the mounting block and sleeved on the limiting strip, the second cleaning ring is fixedly connected to the side edge of the mounting block, and the liquid guiding sheet is fixedly connected to the bottom surface of the mounting block and located below the gravity ring.

Compared with the prior art, the invention has the beneficial effects that:

1. the metal piece to be tinned is clamped or sleeved on the support rod according to the shape of the metal piece, the support rod is driven to rotate by the rotating machine, the position is changed, the support rod and the metal piece are soaked in tin liquid, and when tinning is finished, the support rod is driven by the rotating machine to deflect and move upwards;

2. when the supporting rod deflects downwards, the gravity ring sleeved on the outer side of the supporting rod moves downwards under the action of self gravity, the gravity ring drives the limiting strips to move, the three limiting strips form a limiting area outside the supporting rod under the driving of the gravity ring, the metal piece is prevented from falling into tin liquid from the supporting rod in the process of tin plating, the limiting and fixing effects are achieved, when the supporting rod moves upwards, the limiting strips can return to the original position, the metal piece is convenient to take, the limiting strips only limit during tin plating, and the placing and taking cannot be influenced;

3. in order to avoid the problem that the contact surface of the metal piece and the support rod cannot be effectively tinned, the metal piece is jacked up through the jacking rod, so that a sufficient gap is ensured to exist between the support rod and the metal piece, molten tin can be fully in reaction contact with the surface of the metal piece, and the complete tinning of the surface of the metal piece is ensured;

4. during the tinning process, the metal piece enters the tank body along with the support rod to be fully tinned, when the tinning is finished, the gravity ring slides from one end, close to the stop block, of the support rod to the other end under the action of gravity in the process that the metal piece moves upwards, the scraping ring slides along with the gravity ring to scrape the metal piece on the support rod, redundant tin liquid on the surface of the metal piece is scraped, the phenomenon that the redundant tin liquid drops everywhere to cause waste of the tin liquid is avoided, and meanwhile, the uniformity of tinning on the surface of the metal piece is ensured;

because spacing and gravity ring can soak inside tin liquid when the tin-plating, can a large amount of tin liquids of adhesion at the removal in-process, scrape the clearance through first clearance ring to the tin liquid on the spacing, the second clearance ring can strike off the tin liquid on the gravity ring simultaneously, and the tin liquid that strikes off on first clearance ring and the first clearance ring can trickle to lead on the liquid piece, through leading-in cell body again of liquid piece with tin liquid inside, avoid extravagant.

Drawings

Fig. 1 is a schematic front structural view of a fixing device for hot tinning of a metal piece according to the present invention;

FIG. 2 is a schematic view of a tin bath assembly of a fixing device for hot tinning of a metal piece according to the present invention;

FIG. 3 is a schematic front view of a supporting assembly of the fixing device for hot tinning of a metal piece according to the present invention;

FIG. 4 is a schematic side view of a supporting assembly of a fixing device for hot tinning of a metal piece according to the present invention;

fig. 5 is a partially enlarged structural diagram of a in fig. 4.

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.

Referring to fig. 1 to 5, a fixture for hot tinning a metal piece includes:

the tin liquid bath component 1 is used for placing molten tin liquid, and the metal piece is subjected to tin plating processing in the tin liquid bath;

the rotating machine 2 is fixedly arranged on one side of the tin liquid bath component 1 and is used for changing the horizontal position of a metal part;

the supporting component 3 is used for placing a metal piece needing tinning, the supporting component 3 comprises a supporting rod 31, an installation block 32 and a bent rod 33, the bent rod 33 is fixedly connected to the deflection end of the rotating machine 2, the installation block 32 is vertically and fixedly connected to one end of the bent rod 33, the supporting rod 31 is fixedly connected to one side of the installation block 32 and used for supporting the metal piece, and when the supporting rod 31 is kept horizontal, the supporting rod is parallel to the liquid level of molten tin;

the limiting assembly 4 comprises a gravity ring 41 and limiting strips 42, the gravity ring 41 is slidably sleeved on the outer side of the supporting rod 31 through a sliding assembly 8, openings are formed in the two sides and the upper edge of the mounting block 32, the three limiting strips 42 are respectively arranged in the openings in a limiting sliding mode, and one end of each limiting strip is vertically and fixedly connected with the gravity ring 41;

and the tin scraping assemblies 5 are fixedly arranged on two sides of the gravity ring 41 and are used for scraping redundant tin liquid on the metal piece.

In the invention, when the processing is not carried out, the supporting rod 31 inclines upwards, a metal piece needing to be plated with tin is clamped or sleeved on the supporting rod 31 according to the shape of the metal piece, the supporting rod 31 is driven to rotate by the rotating machine 2 to change the position, the supporting rod 31 and the metal piece are soaked in the tin liquid, when the supporting rod 31 deflects downwards, the gravity ring 41 sleeved on the outer side of the supporting rod 31 moves downwards under the action of the gravity ring 41, the gravity ring 41 drives the limit strips 42 to move, the three limit strips 42 are driven by the gravity ring 41 to form a limit area on the outer side of the supporting rod 31, the metal piece is prevented from falling into the tin liquid from the supporting rod 31 in the process of plating the tin, the limiting and fixing effects are achieved, when the tin plating is finished, the rotating machine 2 drives the supporting rod 31 to deflect upwards, and when the supporting rod 31 rotates to the horizontal upward, the gravity ring 41 drives the tin scraping component 5 to scrape the redundant tin liquid on the surface of the metal piece under the action of gravity, the invention avoids the waste of tin liquor, supports the metal piece, can automatically transfer the metal piece from the tin liquor after the tin plating is finished, and can simultaneously scrape the redundant tin liquor in the rotating process, thereby avoiding the excessive use and waste of the tin liquor.

In the preferred technical scheme in this embodiment, the tin liquid bath component 1 includes a bath body 11, a material guiding pipe 12 and a resisting block 13, a rotating opening 6 for moving a supporting rod 31 is clamped on the side edge of the bath body 11, a rotating machine 2 is fixedly connected with one side of the bath body 11 close to the rotating opening 6, the material guiding pipe 12 is fixedly installed on one side of the bath body 11 far away from the rotating opening 6 and used for guiding in tin liquid, the resisting block 13 is vertically and fixedly connected to the bottom of the bath body 11 far away from the rotating opening 6 and used for limiting the movement of the supporting rod 31, when tin liquid in the bath body 11 is not enough for tin plating processing, the tin liquid is guided in through the material guiding pipe 12 and supplemented into the bath body 11, and the resisting block 13 is used for limiting the rotating position of the supporting rod 31 and avoiding the supporting rod 31 from colliding with the bath body 11;

the supporting assembly 3 further comprises a front stop block 34 and a rear stop block 35, the front stop block 34 is fixedly connected to the front section of the supporting rod 31, the rear stop block 35 is fixedly connected to the position where the supporting rod 31 is connected with the mounting block 32, a placing area is arranged between the front stop block 34 and the rear stop block 35, and when a metal piece is clamped or sleeved on the supporting rod 31, the position of the metal piece is limited through the front stop block 34 and the rear stop block 35;

the supporting rod 31 is fixedly connected with a plurality of ejector rods 7 used for jacking the metal piece, the ejector rods 7 are equidistantly distributed on the upper surface of the supporting rod 31, the top end of the supporting rod 31 is conical, so that in order to avoid the situation that the contact surface of the metal piece and the supporting rod 31 cannot be effectively tinned, the metal piece is jacked up through the ejector rods 7, a sufficient gap is ensured to exist between the supporting rod 31 and the metal piece, molten tin liquid can fully react and contact with the surface of the metal piece, and the complete tinning of the surface of the metal piece is ensured;

the supporting rod 31 and the front stop block 34 are both provided with a plurality of liquid holes 10, the liquid holes 10 on the supporting rod 31 are arranged between two adjacent ejector rods 7, the liquid holes 10 on the front stop block 34 are horizontally arranged on the front stop block 34, the supporting rod 31 can be extruded with molten tin in the rotating process, the molten tin is extruded and sprayed on the surface of a metal piece through the extrusion of the liquid holes 10 on the supporting rod 31, the tin plating efficiency is improved, the liquid holes 10 on the front stop block 34 can impact the side edge of the metal piece in the extruding process of the molten tin, and the position of the metal piece is changed, so that the supporting effect of the ejector rods 7 on the metal piece is changed, the phenomenon that the ejector rods 7 continuously shield one position of the metal piece to cause uneven tin plating is avoided;

the sliding assembly 8 comprises a fixed rod 81, a rotating shaft 82 and a rotating wheel 83, the fixed rod 81 is vertically and fixedly connected to the mounting block 32 and is located below the supporting rod 31, a wheel groove is clamped on the upper surface of the fixed rod 81, the middle part below the gravity ring 41 protrudes, the fixed rod 81 is clamped on the protruding part, the rotating wheel 83 is rotatably connected to the middle of the gravity ring 41 through the rotating shaft 82 and is arranged in the wheel groove in a sliding manner, when the supporting rod 31 is horizontally downward, the gravity ring 41 can slide along the supporting rod 31 under the action of gravity, at this time, the rotating wheel 83 rotatably connected with the gravity ring 41 rolls in the wheel groove in the fixed rod 81, when the position of the gravity ring 41 is supported, the normal movement of the gravity ring 41 is ensured, and meanwhile, the extended fixed rod 81 plays a limiting role in limiting the metal part to be processed;

the tin scraping assembly 5 comprises two scraping rings 51, the two scraping rings 51 are symmetrically arranged at two sides of the gravity ring 41, the area of the two scraping rings 51 is smaller than that of the gravity ring 41, the scraping rings 51 are clamped at two sides of the gravity ring 41, can be replaced according to the specific shape of the metal piece, the shape of the scraping ring 51 is consistent with the shape of the metal piece needing to be cleaned, but the area is larger than the sectional area of the metal piece needing to be treated, in the process of tinning, the metal piece enters the tank body 11 along with the supporting rod 31 to be fully tinned, when the tin plating is finished and the metal piece moves upwards, the gravity ring 41 slides from one end of the support rod 31 close to the front stop block 34 to the other end due to the action of gravity, and then the scraping ring 51 slides along with the gravity ring 41, the metal piece on the support rod 31 is scraped, and redundant tin liquor on the surface of the metal piece is scraped, so that the waste of the tin liquor caused by the redundant tin liquor dripping everywhere is avoided, and the uniformity of tin plating on the surface of the metal piece is ensured;

one side of the mounting block 32 fixedly connected with the support rod 31 is provided with a cleaning assembly 9 for cleaning tin liquid on the limiting assembly 4, and the limiting strip 42 and the gravity ring 41 are immersed in the tin liquid during tin plating, so that a large amount of tin liquid adheres to the limiting strip and is cleaned in time during moving, and waste is avoided;

the cleaning assembly 9 comprises a first cleaning ring 91, a second cleaning ring 92 and a liquid guiding sheet 93, wherein the three first cleaning rings 91 are fixedly connected to the mounting block 32 and sleeved on the limiting strip 42 and are in close contact with the surface of the limiting strip 42, the second cleaning ring 92 is of a double-ring structure shaped like a Chinese character 'hui', is fixedly connected to the side edge of the mounting block 32 and is in close contact with the inner surface and the outer surface of the gravity ring 41, the liquid guiding sheet 93 is fixedly connected to the bottom surface of the mounting block 32 and is positioned below the gravity ring 41, when the gravity ring 41 and the limiting strip 42 which are full of tin liquid slide to a position close to the rear stop block 35 under the action of gravity, the tin liquid on the limiting strip 42 is scraped and cleaned through the first cleaning ring 91, meanwhile, the tin liquid scraped from the gravity ring 41 is scraped by the second cleaning ring 92, and the tin liquid scraped from the second cleaning ring 92 and the first cleaning ring 91 flows onto the liquid guiding sheet 93, and is guided into the groove body 11 again through the liquid guiding sheet 93, the waste of tin liquid is reduced.

Claims

1. A metal piece hot tin plating fixing device is characterized by comprising:

the tin liquid bath component (1), the tin liquid bath component (1) is used for placing molten tin liquid, and the metal piece is subjected to tin plating processing in the tin liquid bath;

the rotating machine (2), the said rotating machine (2) is fixedly mounted on one side of assembly (1) of the molten tin bath, is used for changing the horizontal position of the metalwork;

the supporting assembly (3) is used for placing a metal piece needing tinning, the supporting assembly (3) comprises a supporting rod (31), a mounting block (32) and a bent rod (33), the bent rod (33) is fixedly connected to the deflection end of the rotating machine (2), the mounting block (32) is vertically and fixedly connected to one end of the bent rod (33), and the supporting rod (31) is fixedly connected to one side of the mounting block (32) and used for supporting and placing the metal piece;

the limiting assembly (4) comprises a gravity ring (41) and limiting strips (42), the gravity ring (41) is sleeved on the outer side of the supporting rod (31) in a sliding mode through a sliding assembly (8), openings are formed in the two sides and the upper edge of the mounting block (32), the three limiting strips (42) are respectively arranged in the openings in a limiting sliding mode, and one end of each limiting strip is vertically and fixedly connected with the gravity ring (41);

and the tin scraping assemblies (5) are fixedly arranged on two sides of the gravity ring (41) and are used for scraping redundant tin liquid on the metal piece.

2. The fixing device for the hot tinning of the metal piece is characterized in that the tin bath component (1) comprises a bath body (11), a material guide pipe (12) and a resisting block (13), wherein a rotating opening (6) for moving the supporting rod (31) is clamped on the side edge of the bath body (11), the rotating machine (2) is fixedly connected with one side, close to the rotating opening (6), of the bath body (11), the material guide pipe (12) is fixedly installed on one side, far away from the rotating opening (6), of the bath body (11) and used for guiding in tin liquid, and the resisting block (13) is vertically and fixedly connected to the bottom of one side, far away from the rotating opening (6), of the bath body (11) and used for limiting the movement of the supporting rod (31).

3. The fixing device for the hot tinning of a metal piece is characterized in that the supporting assembly (3) further comprises a front stop block (34) and a rear stop block (35), the front stop block (34) is fixedly connected to the front section of the supporting rod (31), the rear stop block (35) is fixedly connected to the position where the supporting rod (31) is connected with the mounting block (32), and a placing area is formed between the front stop block (34) and the rear stop block (35).

4. The hot tin plating fixing device for the metal piece is characterized in that a plurality of ejector rods (7) used for ejecting the metal piece are fixedly connected to the supporting rod (31), the ejector rods (7) are distributed on the upper surface of the supporting rod (31) at equal intervals, and the top end of the ejector rods is conical.

5. A fixing device for hot tinning of a metal piece according to claim 3, characterized in that the support rod (31) and the front stop (34) are both provided with a plurality of liquid holes (10), the liquid holes (10) in the support rod (31) are arranged between two adjacent push rods (7), and the liquid holes (10) in the front stop (34) are horizontally arranged on the front stop (34).

6. The fixing device for hot tinning of metal pieces according to claim 1, characterized in that the sliding assembly (8) comprises a fixing rod (81), a rotating shaft (82) and a rotating wheel (83), the fixing rod (81) is vertically and fixedly connected to the mounting block (32) and is located below the supporting rod (31), the upper surface of the fixing rod (81) is clamped with a wheel groove, the lower middle part of the gravity ring (41) protrudes, the fixing rod (81) is clamped at the protruding part, the rotating wheel (83) is rotatably connected to the middle of the gravity ring (41) through the rotating shaft (82), and the sliding wheel is clamped inside the wheel groove.

7. The fixing device for hot tinning of metal pieces according to claim 1, characterized in that the tin scraping assembly (5) comprises two scraping rings (51), and the two scraping rings (51) are symmetrically arranged on both sides of the gravity ring (41) and have an area smaller than that of the gravity ring (41).

8. The fixing device for hot tinning of metal pieces according to claim 1, characterized in that a cleaning assembly (9) for cleaning tin liquid on the limiting assembly (4) is mounted on one side of the mounting block (32) fixedly connected with the supporting rod (31).

9. The fixing device for hot tinning of metal pieces according to claim 8, characterized in that the cleaning assembly (9) comprises a first cleaning ring (91), a second cleaning ring (92) and a liquid guiding sheet (93), wherein the three first cleaning rings (91) are fixedly connected to the mounting block (32) and sleeved on the limiting strip (42), the second cleaning ring (92) is fixedly connected to the side of the mounting block (32), and the liquid guiding sheet (93) is fixedly connected to the bottom surface of the mounting block (32) and positioned below the gravity ring (41).