CN215615064U

CN215615064U - Casting device is used in production of leadless tin bar

Info

Publication number: CN215615064U
Application number: CN202122076487.XU
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: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-25
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of lead-free tin bar production equipment, and provides a pouring device for lead-free tin bar production, aiming at solving the problems of lower quality and efficiency and difficult discharging of the existing lead-free tin bar pouring, comprising a case with a hollow interior and a plurality of supporting legs arranged at the lower end of the case, wherein the case is internally provided with a plurality of conveying chains which are symmetrically and rotatably arranged in front and at the back; the forming boxes are in a strip shape with a hollow inner part, and a pouring mold with an unsealed upper end is arranged on the top wall of each forming box. The utility model is especially suitable for casting lead-free tin bars, and has higher social use value and application prospect.

Description

Casting device is used in production of leadless tin bar

Technical Field

The utility model relates to the technical field of lead-free tin bar production equipment, in particular to a pouring device for lead-free tin bar production.

Background

The lead-free tin bar is mainly used for welding a circuit board, the lead-free tin bar is good in wettability and fluidity, tin can be easily applied, the problem of poor soldering tin can be effectively solved, the quality of a welding spot is high, the lead-free tin bar also has good oxidation resistance compared with common soldering tin, in addition, less tin slag is generated during welding, the utilization rate of materials is high, and the lead-free tin bar is molded by casting molten tin through a mold in production.

The existing lead-free tin bar pouring device mainly uses manual pouring, the pouring quality and efficiency are low, discharging is difficult after the lead-free tin bar pouring, collection of the lead-free tin bar is inconvenient, the pouring difficulty of the lead-free tin bar is greatly increased, and therefore the pouring device for producing the lead-free tin bar is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a pouring device for producing lead-free tin bars, which overcomes the defects of the prior art, has reasonable design and compact structure and aims to solve the problems of lower pouring quality and efficiency and more difficult discharging of the existing lead-free tin bars.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a pouring device for producing lead-free tin bars comprises a hollow case and a plurality of supporting legs arranged at the lower end of the case, wherein the case is internally provided with conveying chains which are symmetrically arranged in a front-back rotating mode, a plurality of conveying wheels are respectively and rotatably arranged in the inner cavities of the two conveying chains, the central shaft of one conveying wheel positioned at the rear side extends towards the rear side to penetrate through the rear wall of the case and is fixedly connected with a servo motor, the servo motor is horizontally and fixedly arranged on the inner wall of the rear side of the case through a motor support, a plurality of forming boxes are connected between the two conveying chains at equal intervals through fixing columns and are in a hollow strip shape, a pouring mold with an unsealed upper end is arranged on the top wall of each forming box, a plurality of pouring cavities are separated from the inner cavity of the pouring mold through a plurality of parting plates, ejector blocks are all embedded on the bottom wall of each pouring cavity, ejector rods are fixedly connected with the lower ends of the ejector blocks, and are all sleeved with buffer springs at positions of the ejector rods corresponding to the inner cavities of the forming boxes, the ejection rod extends downwards to penetrate through the top wall of the forming box and is fixedly connected with an ejection plate, the ejection plate is horizontally and slidably mounted in an inner cavity of the forming box, a plurality of slide rods are connected on the ejection plate in a penetrating and sliding manner, the slide rods are vertically and fixedly mounted on the inner bottom wall of the forming box, a positioning sleeve is fixedly connected on the bottom wall of the ejection plate, the positioning sleeve extends downwards to penetrate through an opening formed in the bottom wall of the forming box and is slidably connected with the bottom wall of the forming box, a plurality of pouring ports are arranged in the inner cavity of the machine case corresponding to the upper position of the pouring cavity, the upper ends of the pouring ports are all connected with the same pouring runner in a penetrating and sliding manner, a feeding funnel is connected on the annular inner wall of the pouring runner in a penetrating and inserting manner and is arranged on the top wall of the machine case, a heating sleeve is fixedly sleeved on the annular side wall of the pouring runner, the heating sleeve is horizontally and fixedly connected with the stabilizer bar through a fixing sleeve, and the upper bilateral symmetry of the stabilizer bar is fixedly connected on the telescopic end of the telescopic cylinder, the telescopic cylinders are vertically and fixedly arranged on the inner top wall of the case.

Preferably, a heat insulating pad is mounted on the inner top wall of the plurality of forming boxes.

Preferably, a plurality of fixed columns are symmetrically and fixedly mounted on the inner walls of the front side and the rear side of the forming box, and the other ends of the fixed columns are respectively and fixedly connected to the side walls of the two conveying chains on the close sides.

Preferably, the pouring runner inner cavity middle level is equipped with the flow equalizing plate, and the position that corresponds a plurality of pouring gates on the flow equalizing plate is equipped with a plurality of feed openings, is connected with the activity through the montant on the flow equalizing plate roof and seals the piece, and activity seals piece sliding connection has fixed seal, and fixed seal is fixed mounting on the annular inner wall of pay-off funnel.

Preferably, the two sides of the bottom wall of the stabilizer bar are symmetrically and vertically connected with the linkage rods corresponding to the two sides of the conveying chain, the lower ends of the two linkage rods are fixedly connected with the mounting rods corresponding to the horizontal position inside the conveying chain, and the lower ends of the mounting rods are fixedly connected with the discharging columns corresponding to the vertical positions of the positioning sleeves

Preferably, the case is horizontally and rotatably provided with a conveyor belt in an inner cavity corresponding to the lower position of the conveyor chain, the conveyor belt extends to one side and penetrates through the side wall of the case and extends to the outer cavity of the case, a plurality of conveyor rollers are rotatably arranged in the conveyor belt, a central shaft of one of the conveyor rollers extends to the front side and the rear side and penetrates through the inner walls of the front side and the rear side of the case, the inner walls of the front side and the rear side of the case are respectively sleeved with a driven belt wheel, the driven belt wheels are respectively connected with a driving belt wheel through a belt, the driving belt wheels are respectively sleeved on the central shafts of two of the front side and the rear side of the case, and the driving belt wheel positioned on the rear side of the case is sleeved on the output end of the servo motor.

(III) advantageous effects

The embodiment of the utility model provides a pouring device for producing lead-free tin bars, which has the following beneficial effects:

1. according to the utility model, a plurality of forming processes are carried out on the lead-free tin bar at one time through a plurality of pouring cavities, after the pouring, the conveying chain drives the forming boxes to continue conveying, and meanwhile, the next forming box continues to be poured, after the lead-free tin bar in the pouring cavity is formed and solidified, the ejector plate is matched with the ejector rod to drive the ejector block to eject the lead-free tin bar out of the pouring cavity, the discharging of the lead-free tin bar is completed, and the efficiency of the pouring and discharging of the lead-free tin bar is improved.

2. According to the utility model, molten lead-free tin water is fed into the pouring runner through the feeding funnel, and heat preservation is carried out through the heating sleeve, so that the influence of the temperature reduction of the tin water on the fluidity is avoided, during pouring, the telescopic cylinder is matched to drive the pouring runner to move downwards to facilitate the pouring, the pouring effect is ensured, and the influence of the splashing of the tin water on the pouring environment is avoided.

3. According to the utility model, the telescopic cylinder is matched with the linkage of the linkage rod to drive the discharging column to push the ejecting rod, and the formed lead-free tin bar below is discharged while pouring, so that the discharging efficiency is improved, the energy utilization efficiency is improved, and the energy is saved.

Drawings

The above features, technical characteristics, advantages and modes of realisation of a casting device for the production of lead-free tin bars will be further explained in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

FIG. 1 is a schematic external view of the present invention;

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

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of part A of the present invention;

FIG. 5 is a side view of the forming box of the present invention.

In the figure, a machine box 1, supporting legs 2, a conveying chain 3, a conveying wheel 4, a servo motor 5, a forming box 6, a pouring mold 61, a parting plate 62, an ejection block 63, an ejection rod 64, a buffer spring 65, a slide rod 66, a heat insulation pad 67, an ejection plate 68, a positioning sleeve 69, a fixed column 610, a pouring gate 7, a pouring runner 71, a flow equalizing plate 72, a movable sealing block 73, a fixed sealing block 74, a feeding funnel 75, a heating sleeve 8, a fixed sleeve 9, a telescopic cylinder 10, a stabilizing rod 11, a guide sleeve 12, a guide column 13, a linkage rod 14, an installation rod 15, a discharging column 16, a conveying belt 17, a conveying roller 18, a driven pulley 19 and a driving pulley 20.

Detailed Description

The utility model will be further illustrated with reference to the following figures 1 to 5 and examples:

example 1

A casting device for producing lead-free tin bars comprises a case 1 with a hollow interior and a plurality of supporting legs 2 arranged at the lower end of the case 1, wherein conveying chains 3 are symmetrically arranged in the case 1 in a front-back rotating mode, a plurality of conveying wheels 4 are respectively arranged in the inner cavities of the two conveying chains 3 in a rotating mode, a central shaft of one conveying wheel 4 positioned at the rear side extends through the rear wall of the case 1 towards the rear side and is fixedly connected to a servo motor 5, the servo motor 5 is horizontally and fixedly arranged on the inner wall of the rear side of the case 1 through a motor support, a plurality of forming boxes 6 are connected between the two conveying chains 3 at equal intervals through fixing columns 610, each forming box 6 is in a hollow strip shape, a casting mold 61 with an unsealed upper end is arranged on the top wall of each forming box 6, a plurality of casting cavities are separated into a plurality of casting cavities through a plurality of parting plates 62 in the inner cavity of the casting mold 61, and a top block 63 is embedded in the bottom wall of each casting cavity, the lower end of the ejector block 63 is fixedly connected with an ejector rod 64, the positions of the ejector rod 64 corresponding to the inner cavity of the forming box 6 are all sleeved with a buffer spring 65, the ejector rod 64 extends downwards to penetrate through the top wall of the forming box 6 and is fixedly connected with an ejector plate 68, the ejector plate 68 is horizontally and slidably installed in the inner cavity of the forming box 6, a plurality of slide rods 66 are connected on the ejector plate 68 in a penetrating and sliding manner, the slide rods 66 are vertically and fixedly installed on the inner bottom wall of the forming box 6, the bottom wall of the ejector plate 68 is fixedly connected with a positioning sleeve 69, the positioning sleeve 69 extends downwards to penetrate through an opening formed in the bottom wall of the forming box 6 and is slidably connected with the bottom wall of the forming box 6, a plurality of pouring openings 7 are arranged in the inner cavity corresponding to the upper position of the pouring cavity of the case 1, a plurality of lead-free tin bars are formed at one time through a plurality of pouring cavities, and after pouring, the forming box 6 is driven by the conveying chain 3 to continue to be transported, meanwhile, the next forming box 6 is continuously poured, after the lead-free tin bar in the pouring cavity is formed and solidified, the ejector plate 68 is matched with the ejector rod 64 to drive the ejector block 63 to eject the lead-free tin bar out of the pouring cavity, so that the discharge of the lead-free tin bar is completed, the efficiency of the lead-free tin bar pouring and discharging is improved, the upper ends of a plurality of pouring ports 7 are all in through connection with the same pouring runner 71, the annular inner wall of the pouring runner 71 is in sliding connection with the feeding funnel 75, the feeding funnel 75 is in through insertion on the top wall of the case 1, the annular side wall of the pouring runner 71 is fixedly sleeved with the heating sleeve 8, the heating sleeve 8 is horizontally and fixedly connected with the stabilizer bar 11 through the fixing sleeve 9, the two sides of the top wall of the stabilizer bar 11 are symmetrically and fixedly connected to the telescopic end of the telescopic cylinder 10, the telescopic cylinder 10 is vertically and fixedly installed on the inner top wall of the case 1, and the molten lead-free tin bar is sent into the pouring runner 71 through the feeding funnel 75, and keep warm through heating jacket 8, avoid the molten tin temperature to reduce and influence mobility, when the pouring, drive pouring runner 71 through telescopic cylinder 10 and go on of making things convenient for the pouring down, guarantee the effect of pouring, avoid molten tin spill to influence the pouring environment.

In this embodiment, as shown in fig. 2, 4 and 5, a plurality of heat insulating pads 67 are installed on the inner top wall of the forming box 6, so that the influence of long-time temperature accumulation on the matching of components in the forming box 6 is avoided, and the operation stability of the equipment is ensured.

In this embodiment, as shown in fig. 2-4, a plurality of the fixing columns 610 are symmetrically and fixedly mounted on the inner walls of the front side and the rear side of the forming box 6, and the other ends of the fixing columns 610 are respectively and fixedly connected to the side walls of the two conveying chains 3 on the same side, so that the situation that the single fixing column 610 is subjected to large torsion is avoided, the forming box 6 is prevented from being overturned to influence the normal pouring, and the pouring effect is improved.

In this embodiment, as shown in fig. 1 to 4, a flow equalizing plate 72 is horizontally disposed in an inner cavity of the pouring channel 71, a plurality of discharge openings are disposed at positions corresponding to the plurality of pouring openings 7 on the flow equalizing plate 72, a movable sealing block 73 is connected to a top wall of the flow equalizing plate 72 through a vertical rod, the movable sealing block 73 is slidably connected to a fixed sealing block 74, the fixed sealing block 74 is fixedly mounted on an annular inner wall of the feeding funnel 75, the telescopic cylinder 10 drives the pouring channel 71 to move, and simultaneously drives the movable sealing block 73 to open and close with the fixed sealing block 74, so as to control pouring of molten tin, and simultaneously the flow equalizing plate 72 is matched to split the falling molten tin, so as to ensure uniform pouring and improve pouring quality of lead-free tin bars.

In this embodiment, as shown in fig. 2-3, the two sides of the bottom wall of the stabilizer bar 11 are symmetrically and vertically connected with the linkage bars 14 corresponding to the two sides of the conveying chain 3, the lower ends of the two linkage bars 14 are fixedly connected with the mounting bars 15 corresponding to the horizontal positions inside the conveying chain 3, the lower ends of the mounting bars 15 are vertically and fixedly connected with the discharging columns 16 corresponding to the positioning sleeves 69, the discharging columns 16 are controlled to move downwards by the telescopic cylinder 10 in a linkage manner, the formed lead-free tin bars are discharged, and the discharging efficiency is improved.

Example 2

As shown in fig. 2 and 3, in this embodiment, substantially the same as that of embodiment 1, preferably, a conveyor belt 17 is horizontally and rotatably installed in an inner cavity of the chassis 1 corresponding to a position below the conveyor chain 3, the conveyor belt 17 extends through a side wall of the chassis 1 toward one side and extends to an outer cavity of the chassis 1, a plurality of conveyor rollers 18 are rotatably installed in the conveyor belt 17, a central shaft of one of the conveyor rollers 18 extends toward front and rear sides and penetrates through inner walls of the front and rear sides of the chassis 1 to be respectively sleeved with a driven pulley 19, the driven pulley 19 is respectively connected with a driving pulley 20 through a belt, the driving pulley 20 is respectively sleeved on central shafts of two of the front and rear sides of the conveyor wheel 4, and the driving pulley 20 at the rear side is sleeved on an output end of the servo motor 5, the conveyor belt 17 is used for sending out the lead-free tin bars ejected from the discharging column 16, so as to improve discharging efficiency, and the conveyor wheels 4 at both sides are driven to synchronously rotate by cooperation of the driven pulley 19 and the driving pulley 20, the conveying effect of the forming box 6 is improved.

According to the pouring device for producing the lead-free tin bar, the lead-free tin bar is formed in multiple forming modes at one time through the multiple pouring cavities, the telescopic air cylinder 10 drives the pouring runner 71 to move downwards to facilitate pouring during pouring, the pouring effect is guaranteed, the phenomenon that molten tin splashes out to affect the pouring environment is avoided, after pouring, the forming boxes 6 are driven to continue conveying through the conveying chain 3, meanwhile, the next forming box 6 continues pouring, after the lead-free tin bar in the pouring cavity is formed and solidified, the ejector plate 68 is matched with the ejector rod 64 to drive the ejector block 63 to eject the lead-free tin bar out of the pouring cavities, the lead-free tin bar is sent out through the conveying belt 17, discharging of the lead-free tin bar is completed, and the efficiency of pouring and discharging of the lead-free tin bar is improved.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. A pouring device for producing lead-free tin bars comprises a hollow case (1) and a plurality of supporting legs (2) mounted at the lower end of the case (1), and is characterized in that conveying chains (3) are symmetrically and rotatably arranged in the case (1) in a front-back manner, a plurality of conveying wheels (4) are rotatably mounted in inner cavities of the two conveying chains (3), a central shaft of one conveying wheel (4) positioned at the rear side extends towards the rear side to penetrate through the rear wall of the case (1) and is fixedly connected to a servo motor (5), the servo motor (5) is horizontally and fixedly mounted on the inner wall of the rear side of the case (1) through a motor support, and a plurality of forming boxes (6) are connected between the two conveying chains (3) at equal intervals through fixing columns (610);

the multiple forming boxes (6) are in a hollow strip shape, a pouring die (61) with an unclosed upper end is arranged on the top wall of each forming box (6), an inner cavity of each pouring die (61) is divided into multiple pouring cavities through multiple parting plates (62), a material ejecting block (63) is embedded on the bottom wall of each pouring cavity, a material ejecting rod (64) is fixedly connected to the lower end of each material ejecting block (63), each material ejecting rod (64) is sleeved with a buffer spring (65) corresponding to the position in the inner cavity of each forming box (6), each material ejecting rod (64) extends downwards to penetrate through the top wall of each forming box (6) and is fixedly connected with a material ejecting plate (68), each material ejecting plate (68) is horizontally and slidably installed in the inner cavity of each forming box (6), each material ejecting plate (68) is connected with multiple sliding rods (66) in a penetrating and sliding mode, each sliding rod (66) is vertically and fixedly installed on the inner bottom wall of each forming box (6), and a positioning sleeve (69) is fixedly connected to the bottom wall of each material ejecting plate (68), the positioning sleeve (69) extends downwards to penetrate through an opening formed in the bottom wall of the forming box (6) and is in sliding connection with the bottom wall of the forming box (6), and a plurality of pouring ports (7) are formed in an inner cavity of the machine case (1) corresponding to the upper position of the pouring cavity;

it is a plurality of pouring gate (7) upper end all through connection has same pouring runner (71), and sliding connection has pay-off funnel (75) on the annular inner wall of pouring runner (71), and pay-off funnel (75) link up and insert and establish on the roof of quick-witted case (1), fixed cover is equipped with heating jacket (8) on the annular lateral wall of pouring runner (71), and heating jacket (8) are served through the flexible of fixed cover (9) horizontal fixedly connected with stabilizer bar (11), bilateral symmetry fixed connection on the roof of stabilizer bar (11) is served in the flexible of telescopic cylinder (10), and the equal vertical fixed mounting of telescopic cylinder (10) is on the interior roof of quick-witted case (1).

2. The casting apparatus for producing a lead-free tin bar as set forth in claim 1, wherein: the machine case is characterized in that a conveying belt (17) is horizontally installed in an inner cavity of the machine case (1) corresponding to the position below a conveying chain (3) in a rotating mode, the conveying belt (17) extends towards one side and penetrates through the side wall of the machine case (1) and extends to an outer cavity of the machine case (1), a plurality of conveying rollers (18) are installed in the conveying belt (17) in a rotating mode, a driven belt wheel (19) is sleeved on the inner walls of the front side and the rear side of one conveying roller (18) and extends towards the front side and the rear side and penetrates through the machine case (1), the driven belt wheel (19) is connected with a driving belt wheel (20) through a belt respectively, the driving belt wheel (20) is sleeved on the central shafts of two conveying wheels (4) on the front side and the rear side respectively, and the driving belt wheel (20) located on the rear side is sleeved on the output end of a servo motor (5).

3. The casting apparatus for producing a lead-free tin bar as set forth in claim 1, wherein: and a heat insulation pad (67) is arranged on the inner top wall of the plurality of forming boxes (6).

4. The casting apparatus for producing a lead-free tin bar as set forth in claim 1, wherein: a plurality of fixed columns (610) are symmetrically and fixedly mounted on the inner walls of the front side and the rear side of the forming box (6), and the other ends of the fixed columns (610) are respectively and fixedly connected to the side walls of the two conveying chains (3) on the close sides.

5. The casting apparatus for producing a lead-free tin bar as set forth in claim 1, wherein: the pouring runner (71) inner cavity level is equipped with flow equalizing plate (72), and the position that corresponds a plurality of sprue gates (7) on flow equalizing plate (72) is equipped with a plurality of feed openings, is connected with movable closing block (73) through the montant on flow equalizing plate (72) the roof, and movable closing block (73) sliding connection has fixed closing block (74), and fixed closing block (74) fixed mounting is on the annular inner wall of pay-off funnel (75).

6. The casting apparatus for producing a lead-free tin bar as set forth in claim 1, wherein: the two sides of the bottom wall of the stabilizer bar (11) correspond to the two sides of the conveying chain (3) and are symmetrically and vertically connected with the linkage bars (14), the lower ends of the two linkage bars (14) correspond to the horizontal position fixedly connected with mounting bars (15) inside the conveying chain (3), and the lower ends of the mounting bars (15) correspond to the discharge posts (16) fixedly connected with the vertical positions of the positioning sleeves (69).