CN209006624U - A kind of tin ball forming device - Google Patents

Abstract

The utility model discloses a kind of tin ball forming devices, including fixed frame, the fixed frame rear end is fixed with a back die component, the fixed frame front end is connected with a front die component by two open mold guide rods, the front die component is moved forward and backward by the open mold guide rod of a clasp mould mechanism drives edge two, the front die component has a dynamic mould fixing plate, a moving template is fixed on rear side of the dynamic mould fixing plate, the moving template is equipped with a preceding mouth of a river mould, the back die component has a solid plate being fixed on the fixed frame, mouth of a river mould after the solid plate is equipped with one, the moving template and solid plate mold to form multiple type chambers, the mouth of a river preceding mouth of a river Mo Yuhou mould molds to form a main running channel and multiple points of running channels.The tin ball forming device of the utility model directly produces the complete tin ball without the mouth of a river, not only high production efficiency, and manufacturing cost is lower, and compact-sized, and occupied space is smaller.

Description

A kind of tin ball forming device

Technical field

The utility model belongs to tin ball casting technology field more particularly to a kind of tin ball forming device.

Background technique

Tin ball is widely used in electroplating industry, organic synthesis, alloy manufacture and electronics industry, and traditional tin ball production is adopted Pouring type by hand, and it is most of can only produce hemispherical, whole spherical product cannot be produced.

In order to solve this problem, inventor devises a kind of molding machine of tin ball, such as a kind of wholecircle tin of Chinese patent The molding machine (application No. is 201220268541.9) of ball, including lower die and upper mold；The surface of the lower die is recessed with a plurality of First semicircle cavity, the bottom surface of upper mold are recessed with a plurality of second semicircle cavitys, and when the upper mold and lower die mold, this first half Circle cavity and the second semicircle cavity split form wholecircle cavity, and the casting for being connected to the wholecircle cavity is provided on the surface of the upper mold Hole；Driving mechanism is equipped with for the upper mold；Whereby, wholecircle cavity is formed using upper mold and lower die molding split, utilizes plug hole Wholecircle cavity is connected to inject molten tin, and cooperates and drives upper mold to mold or be opened with lower die automatically using driving mechanism, with reality The molding of existing wholecircle tin ball.Though the molding machine can produce the tin ball of wholecircle, which has following Defect:

(1), tin ball and regrinding-material after molding are connected and through upper mold, lead to not directly remove the band mouth of a river from upper mold The tin ball of material can only first cut all tin balls by way of manual, finally further take out regrinding-material, cannot achieve automatic production Without the tin ball at the mouth of a river；

(2), the molding machine need to consume a large amount of time taking-up tin ball, cause tin ball production efficiency lower, manufacturing cost It is higher；

(3), when the molding machine is opened, upper and lower mould is formed separately certain angle, occupies big quantity space, is unfavorable for producing field Ground space utilization.

Therefore, inventor is it is necessary to design a kind of new tin ball forming device, to overcome the above problem.

Utility model content

The purpose of this utility model is that: a kind of tin ball forming device is provided, directly produces the tin ball without the mouth of a river, no Only high production efficiency, manufacturing cost is lower, and occupied space is smaller.

In order to achieve the above object, technical solution adopted in the utility model are as follows:

A kind of tin ball forming device, including fixed frame, the fixed frame rear end are fixed with a back die component, the fixed frame Front end is connected with a front die component by two open mold guide rods, and the front die component passes through a clasp mould mechanism drives edge Two open mold guide rods are moved forward and backward, and the front die component has a dynamic mould fixing plate, and the dynamic mould fixing plate rear side is solid Surely there is a moving template, the moving template is equipped with a preceding mouth of a river mould, and the back die component has one to be fixed on the fixed frame Solid plate, mouth of a river mould after the solid plate is equipped with one, the moving template and solid plate mold to form multiple type chambers, before described The mouth of a river mouth of a river Mo Yuhou mould molds to form a main running channel and multiple points of running channels.

Further, one is equipped on the outside of the rear mouth of a river mould for pushing the rear mouth of a river mouth of a river Mo Heqian to be die cut mouth of cutting off the water supply Cutting mechanism, cutting mechanism tool there are two be individually fixed in it is described after push plate at left and right sides of the mould of the mouth of a river, it is any described to push away Plate is fixedly connected with a cylinder or oil cylinder by axis, and two push plates extend forward and exceed the rear mouth of a river mould land area, When with the molding of the mouth of a river mouth of a river Mo Yuqian mould after an action of the bowels, the mouth of a river rear mouth of a river Mo Yuqian mould land area is located between two push plates, is convenient for two A push plate pushes or pull on the mouth of a river rear mouth of a river Mo Yuqian mould simultaneously.

Further, the rear mouth of a river mould upper cover is equipped with a back shroud, and the back shroud is fixed on the fixed frame, described Preceding mouth of a river mould upper cover is equipped with a front shroud, and the front shroud is fixed on the dynamic mould fixing plate, and the main running channel is revealed in institute Back shroud and front shroud are stated, convenient for casting tin liquor.

Further, the rear mouth of a river mould abuts the fixed frame and passes through step with the solid plate contact surface and limits, institute It states length of bench and is equal to the rear mouth of a river mould or solid plate length, with the sliding opposite with solid plate of mouth of a river mould after an action of the bowels, the rear water Mouth mold bottom is equipped with the lubrication groove of a distortion, prevents from generating dry mould phenomenon when opposite with the solid plate sliding of rear mouth of a river mould.

Further, the preceding mouth of a river mould abuts the dynamic mould fixing plate, the preceding mouth of a river mould and the moving template contact surface It is limited by step, the length of bench is equal to the preceding mouth of a river mould or moving template length, so as to preceding mouth of a river mould and moving template phase To sliding, the preceding mouth of a river mould bottom is equipped with the lubrication groove of a distortion, prevents preceding mouth of a river mould is opposite with moving template from sliding Shi Ganmo.

Further, the back die component rear is equipped with an ejection assembly, and two open mold guide rods or two are fixed on The thimble guide rod activity of the fixed frame rear end passes through the ejection assembly, and the ejection assembly has a thimble fixed plate and one Thimble clamping plate is equipped with more thimbles in the thimble fixed plate, and all thimbles pass through the fixed frame and back die component, Part thimble is corresponding with multiple type chambers, and another part thimble is corresponding with the main running channel, pushes up respectively so as not to same thimble The mouth of a river and tin ball after separating out.

Further, the fixed frame has one to be used to install the front shoe of the clasp mould mechanism, one for fixing institute State the middle fixed plate and a rear fixed plate of back die component, the middle fixed plate between the front shoe and rear fixed plate, The thimble fixed plate and thimble clamping plate divide at left and right sides of the rear fixed plate between the rear fixed plate and middle fixed plate It is not equipped with a stop screw, two stop screws abut the thimble clamping plate, prevent from being detached from back die component.

Further, it is equipped with a cold water hole at left and right sides of the rear mouth of a river mould, preceding mouth of a river mould, moving template and solid plate, To shorten the curing time of tin ball and regrinding-material.

Further, the land area left and right ends of the moving template are convexly equipped with a positioning pin, and the solid plate land area is left Right both ends are equipped with dowel hole corresponding with two positioning pins, are accurately positioned when molding so as to solid plate and moving template, anti- Only two hemispheric type chamber dislocation.

Further, multiple type chambers of the solid plate are spaced apart between two dowel holes, each described fixed The type chamber two sides of template are equipped with air discharge duct, the intracavitary gas of mold cavity are discharged when to cast, after preventing tin ball forming Sand holes are formed, tin ball quality is influenced.

Compared with prior art, the utility model has following technical effect: molded by moving template and solid plate to be formed it is more A type chamber, the mouth of a river preceding mouth of a river Mo Yuhou mould mold to form a main running channel and multiple points of running channels, before moving template and solid plate die sinking, cut Cut the mouth of a river that oil cylinder passes through two push plates while the mouth of a river preceding mouth of a river Mo Hehou being pushed to be die cut disconnected tin ball, final tin ball and mouth of a river difference Ejected by different thimble, it is ensured that after tin ball forming, tin ball and the mouth of a river be in discrete state, not only high production efficiency, manufacture at This is lower, and whole device is compact-sized, and occupied space is smaller.

Detailed description of the invention

Fig. 1 is that the front die component of the utility model tin ball forming device is in the top view of die opening state with back die component；

Fig. 2 is that the front die component of the utility model tin ball forming device is in the top view of molding state with back die component；

Fig. 3 is A-A sectional view in Fig. 2；

Fig. 4 is the back die component enlarged view of the utility model tin ball forming device；

Fig. 5 is the front die component enlarged view of the utility model tin ball forming device；

Fig. 6 is that the preceding mouth of a river Mo Hehou mouth of a river mould of the utility model tin ball forming device is in the vertical view amplification of discrete state View；

Fig. 7 be the utility model tin ball forming device moving template and solid plate be in discrete state vertical view amplification view Figure.

It illustrates:

1, fixed frame, 11, open mold guide rod, 12, thimble guide rod, 13, front shoe, 14, middle fixed plate, 15, rear fixation Plate, 151, stop screw, 16, side fixed plate, 2, back die component, 21, solid plate, 211, dowel hole, 212, cover half chamber, 213, Tin top dome pin hole, 22, rear mouth of a river mould, 221, mouth of a river centre hole, 222, rear half running channel of mouth of a river mould, 223, rear mouth of a river mould lubrication groove, 23, back shroud, 3, front die component, 31, moving template, 311, positioning pin, 312, dynamic model chamber, 32, preceding mouth of a river mould, 321, preceding mouth of a river mould Half running channel, 322, preceding mouth of a river mould lubrication groove, 33, dynamic mould fixing plate, 34, front shroud, 4, ejection assembly, 41, thimble clamping plate, 42, Thimble fixed plate, 43, mouth of a river thimble, 44, tin top dome needle, 5, clasp mould mechanism, 51, folding mould oil cylinder, 6, cutting mechanism, 61, Shear oil cylinder, 62, push plate, 7, ejecting mechanism, 71, thimble oil cylinder.

Specific embodiment

With reference to the accompanying drawing, the embodiments of the present invention is specifically illustrated, attached drawing is only for reference and illustrates use, not structure The limitation of pairs of the utility model patent protection scope.

Referring to figs. 1 to Fig. 3, a kind of tin ball forming device, including fixed frame 1,1 rear end of fixed frame are fixed with a rear mold group Part 2,1 front end of fixed frame are connected with a front die component 3 by two open mold guide rods 11, and front die component 3 passes through a folding 5 drives edge of mold mechanism, two open mold guide rods 11 are moved forward and backward, and front die component 3 has a dynamic mould fixing plate 33, dynamic mould fixing plate 33 rear sides are fixed with a moving template 31, and moving template 31 is equipped with a preceding mouth of a river mould 32, and back die component 2 has one to be fixed on fixed frame Solid plate 21 on 1, mouth of a river mould 22 after solid plate 21 is equipped with one, moving template 31 and the molding of solid plate 21 form multiple type chambers, Preceding mouth of a river mould 32 forms a main running channel and multiple points of running channels with the molding of rear mouth of a river mould 22, and 2 rear of back die component is equipped with an ejection group Part 4, two open mold guide rods 11 or two 12 activities of thimble guide rod for being fixed on 1 rear end of fixed frame pass through the ejection assembly 4.

The fixed frame 1 has one to be used to fix back die component 2 for installing the front shoe 13, one of clasp mould mechanism 5 Middle fixed plate 14,15, two side fixed plates 16 of a rear fixed plate and two back side panels, middle fixed plate 14 be located at front shoe 13 Between rear fixed plate 15, so that the solid plate 21 of back die component 2 is fixed in middle fixed plate 14, front shoe 13, middle fixation Plate 14 and two side fixed plates 16 surround a frame-type, and 15, two back side panels of rear fixed plate and middle fixed plate 14 surround another frame-type, Entire casting die is located in two frame-type framves, and one group of guide rod passes through and fixes in entire fixed frame 1 or two groups of guide rod difference In corresponding two frames for passing through and fixing to fixed frame 1, in order to make tin ball after molding and the mouth of a river eject more accurate, this reality With novel preferably two groups of guide rods, one group of guide rod is made of two open mold guide rods 11, which passes through and fixes to On front shoe 13 and middle fixed plate 14, another group of guide rod is made of two thimble guide rods 12, which passes through and consolidate Due in middle fixed plate 14 and rear fixed plate 15,11 diameter of open mold guide rod is greater than 12 diameter of thimble guide rod, and rear fixed plate 15 is left Right two sides are equipped with the stop screw 151 with limit function respectively.

Referring to Figure 1 to Figure 7, the solid plate 21 is fixed in middle fixed plate 14 and is located on two open mold guide rods 11 Side, 21 land area left and right ends of solid plate are convexly equipped with a dowel hole 211, multiple half are equipped between two dowel holes 211 Spherical cover half chamber 212, each 212 center of cover half chamber is equipped with a tin top dome pin hole 213 and its top is respectively connected with and pours always Road, each 212 two sides of cover half chamber are equipped with the air discharge duct of T shape, and the intracavitary gas of mold cavity is discharged when to cast, prevents Sand holes are formed after tin ball forming, influence tin ball quality, rear 22 rear end face of mouth of a river mould is abutted with middle fixed plate 14, prevents rear mouth of a river mould 22 move backward, and rear mouth of a river mould 22 is limited with 21 contact surface of solid plate by step, the length of bench equal to rear mouth of a river mould 22 or 21 length of solid plate prevents rear mouth of a river mould 22 from moving forward, and rear 22 bottom surface of mouth of a river mould is additionally provided with the rear mouth of a river mould profit of a distortion Sliding slot 223 prevents the opposite solid plate 21 of rear mouth of a river mould 22 from horizontally slipping Shi Ganmo for filling lubricating oil, on rear mouth of a river mould 22 Surface is equipped with the main running channel of half, and level is equipped with multiple mouth of a river centre holes 221 in the half main running channel, which is equipped with more A half running channel 222 of rear mouth of a river mould in half cupuliform corresponding with cover half chamber 212, rear half running channel of mouth of a river mould, 222 lower end is by directly pouring Road is connected to cover half chamber 212, and a back shroud 23 is covered on rear mouth of a river mould 22 and is fixed on middle 14 upper surface of fixed plate, after preventing Mouth of a river mould 22 moves up, and 23 front end of back shroud is equipped with an inclined notch, to expand main running channel area.

The moving template 31 is fixed on the upside of 33 rear end face of dynamic mould fixing plate, and left and right ends are equal on 31 land area of moving template Positioning pin 311 corresponding with two dowel holes 211 of solid plate 21 is installed, when so as to solid plate 21 and the molding of moving template 31 It is accurately positioned, prevents two halves tin ball forming from misplacing, tin ball quality is influenced, on 31 land area of moving template between two positioning pins 311 Equipped with multiple hemispherical dynamic model chambers 312 corresponding with cover half chamber 212, when solid plate 21 and moving template 31 mold, cover half chamber 212 A complete spherical cavity is cooperatively formed with dynamic model chamber 312,312 upper end of dynamic model chamber is connected with a sprue, preceding mouth of a river mould 32 In on moving template 31, preceding 32 front end face of mouth of a river mould is abutted with dynamic mould fixing plate 33, prevents the opposite dynamic mould fixing plate of preceding mouth of a river mould 32 33 move forward, and preceding mouth of a river mould 32 is limited with 31 contact surface of moving template by step, the length of bench equal to preceding mouth of a river mould 32 or 31 length of moving template prevents the opposite moving template 31 of preceding mouth of a river mould 32 from moving backward, and preceding 32 bottom surface of mouth of a river mould is additionally provided with a distortion Preceding mouth of a river mould lubrication groove 322 prevent the opposite moving template 31 of preceding mouth of a river mould 32 from horizontally slipping Shi Ganmo for filling lubricating oil, Preceding 32 upper surface of mouth of a river mould is equipped with the main running channel of half, and preceding mouth of a river mould 32 with after the molding of rear mouth of a river mould 22, spell by two and half main running channels The main running channel for forming a V-arrangement is closed, the main running channel bottom of preceding mouth of a river mould 32 half is equipped with multiple corresponding with dynamic model chamber 312 in front of half cupuliform Half running channel 321 of mouth of a river mould, with after the molding of rear mouth of a river mould 22, preceding half running channel 321 of mouth of a river mould and rear mouth of a river mould partly pour preceding mouth of a river mould 32 What road 222 cooperatively formed a cupuliform divides running channel, which is connected to by sprue with dynamic model chamber 312, One front shroud 34 is covered on preceding mouth of a river mould 32 and is fixed on dynamic mould fixing plate 33, prevents preceding mouth of a river mould 32 from moving up, and two 11 activity of root open mold guide rod passes through 31 lower end of moving template, and 34 rear end of front shroud is equipped with an inclined notch, the notch and rear cover The notch of plate 23 forms V-arrangement, and main running channel is revealed in back shroud 23 and front shroud 34, to expand casting area, rear mouth of a river mould 22, Solid plate 21, preceding mouth of a river mould 32 and 31 left and right sides of moving template are equipped with one for leading to the cold water hole of cooling water, to contract The curing time of short tin ball and regrinding-material is not only convenient for the shearing mouth of a river, also facilitates ejection tin ball and regrinding-material.

The ejection assembly 4 has a thimble fixed plate 42 and one for pushing down the thimble clamping plate 41 of thimble, and thimble is fixed Between rear fixed plate 15 and middle fixed plate 14, thimble clamping plate 41 abuts 151 front end of stop screw for plate 42 and thimble clamping plate 41 Face, two 12 activities of thimble guide rod pass through 41 lower end of thimble fixed plate 42 and thimble clamping plate, are equipped in thimble fixed plate 42 more Root thimble, more thimbles are located between two thimble guide rods 12, and more thimbles are made of mouth of a river thimble 43 and tin top dome needle 44, more Root tin top dome needle 44 is corresponding with multiple type chambers, and more mouth of a river thimbles 43 are corresponding with main running channel, and more mouth of a river thimbles 43 sequentially pass through The mouth of a river centre hole 221 of thimble fixed plate 42, middle fixed plate 14 and rear mouth of a river mould 22, Duo Genxi top dome needle 44 sequentially pass through thimble The tin top dome pin hole 213 of fixed plate 42, middle fixed plate 14 and solid plate 21, to eject the mouth of a river and tin ball simultaneously.

The clasp mould mechanism 5 completes mouth of a river mould (preceding mouth of a river mould 32 and rear water for pushing entire front die component 3 mobile Mouth mold 22) open mold movement and the open mold of tin ball mould (solid plate 21 and moving template 31) act, which has One folding mould oil cylinder 51, the folding mould oil cylinder 51 are fixed on front shoe 13 and connect by the way that axis and dynamic mould fixing plate 33 are fixed It connects.

The ejecting mechanism 7 drives mouth of a river top for pushing thimble clamping plate 41 and thimble fixed plate 42 to be moved forward and backward Needle 43 ejects regrinding-material, meanwhile, tin top dome needle 44 ejects tin ball, which has a thimble oil cylinder 71, the thimble oil cylinder 71 are fixed on rear fixed plate 15 and are fixedly connected by axis with thimble clamping plate 41.

A shearing for mouth of a river mould 22 after pushing and the preceding mouth of a river mould 32 cutting mouth of a river is equipped with after described on the outside of mouth of a river mould 22 Mechanism 6, the cutting mechanism 6 is for driving mouth of a river mould (preceding mouth of a river mould 32 and rear mouth of a river mould 22)) with respect to tin ball mould (21 He of solid plate Moving template 31) it moves left and right, to cut the mouth of a river on tin ball, there are two be individually fixed in rear mouth of a river mould to the cutting mechanism 6 tool The push plate 62 of 22 left and right sides, any push plate 62 are fixedly connected with a cylinder or oil cylinder by axis, and the utility model is preferably sheared Oil cylinder 61 is installed in either side fixed plate 16, and two push plates 62 extend forward and beyond rear 22 land area of mouth of a river mould, so as to two A push plate 62 pushes preceding mouth of a river mould 32 and rear mouth of a river mould 22 simultaneously, and each 62 medial surface of push plate, which is equipped with one, has guiding role Chamfering, when current mouth of a river mould 32 is molded with rear mouth of a river mould 22, preceding 32 rear end part of mouth of a river mould enters the medial surface of two push plates 62, The land area of preceding mouth of a river mould 32 and rear mouth of a river mould 22 is located between two push plates 62, not only makes preceding mouth of a river mould 32 and rear mouth of a river mould 22 Simultaneously operation, moreover it is possible to adjust preceding 32 position of mouth of a river mould, the utility model preferably shears the push plate 62 that oil cylinder 61 passes through axis and the right It is fixedly connected.

The working principle of the automatic tin ball casting machine of the utility model are as follows: melted tin liquor is transported to the main running channel of V-arrangement Interior, the tin liquor in main running channel divides running channel to be further separated into corresponding spherical cavity by multiple cupuliforms, until tin liquor is full of all The cold water hole water flowing of spherical cavity, rear mouth of a river mould 22,31 side of solid plate 21, preceding mouth of a river mould 32 and moving template cools down tin liquor, to Tin liquor is after the intracavitary cooling and solidifying of type, the mouth of a river after shearing oil cylinder 61 is pushed by two push plates 62 being fixed on rear mouth of a river mould 22 Mould 22 and preceding mouth of a river mould 32 are moved to the left simultaneously, are cut off from dividing from the sprue between running channel and type chamber for cupuliform, mouth of a river tailing After cutting, mouth of a river mould 22 and preceding mouth of a river mould 32 while the reset that moves right, are opened after shearing oil cylinder 61 is pulled by two push plates 62 Die cylinder 51 drives moving template 31, preceding mouth of a river mould 32 and dynamic mould fixing plate 33 to move forward together by dynamic mould fixing plate 33, At this point, casting die is in the open state, thimble oil cylinder 71 pushes thimble clamping plate 41 and thimble fixed plate 42 to move forward, multiple Mouth of a river thimble 43 ejects entire regrinding-material, meanwhile, multiple tin top dome needles 44 eject corresponding tin ball, and tin ball and regrinding-material leave mould Tool, mould ejection movement are completed, and thimble oil cylinder 71 pulls thimble clamping plate 41 and thimble fixed plate 42 to reset, until thimble clamping plate 41 Two stop screws 141 are abutted, folding mould oil cylinder 51 pushes dynamic mould fixing plate 33, moving template 31, preceding mouth of a river mould 32 and dynamic model solid Fixed board 33 moves backward together, two dowel holes 211 on the corresponding insertion solid plate 21 of two on moving template 31 positioning pin 311 Interior, mold clamping repeats the above movement.

The advantageous effects of the utility model tin ball forming device are: molded by moving template and solid plate to be formed it is more A type chamber, the mouth of a river preceding mouth of a river Mo Yuhou mould mold to form a main running channel and multiple points of running channels, before moving template and solid plate die sinking, cut Cut the mouth of a river that oil cylinder passes through two push plates while the mouth of a river preceding mouth of a river Mo Hehou being pushed to be die cut disconnected tin ball, final tin ball and mouth of a river difference Ejected by different thimble, after guaranteeing tin ball forming, tin ball and the mouth of a river be in discrete state, not only high production efficiency, manufacture at This is lower, and whole device is compact-sized, and occupied space is smaller.

Above disclosed is only the preferred embodiment of the utility model, and the right of the utility model cannot be limited with this Protection scope, therefore equivalent variations made according to the patent scope of the utility model still belong to the model that the utility model is covered It encloses.

Claims (10)

1. a kind of tin ball forming device, including fixed frame (1), which is characterized in that fixed frame (1) rear end is fixed with a rear mold Component (2), fixed frame (1) front end is connected with a front die component (3) by two open mold guide rods (11), before described Membrane module (3) is moved forward and backward by a clasp mould mechanism (5) drives edge two open mold guide rods (11), the front die component (3) there are a dynamic mould fixing plate (33), is fixed with a moving template (31), the moving template on rear side of the dynamic mould fixing plate (33) (31) it is equipped with a preceding mouth of a river mould (32), the back die component (2) has a solid plate being fixed on the fixed frame (1) (21), mouth of a river mould (22) after the solid plate (21) is equipped with one, the moving template (31) and solid plate (21) molding form more A type chamber, the preceding mouth of a river mould (32) and the molding of rear mouth of a river mould (22) form a main running channel and multiple points of running channels.

2. tin ball forming device as described in claim 1, which is characterized in that be equipped with one after described on the outside of mouth of a river mould (22) and be used for The cutting mechanism (6) of the rear mouth of a river mould (22) and preceding mouth of a river mould (32) the cutting mouth of a river is pushed, the cutting mechanism (6) has two A push plate (62) being individually fixed at left and right sides of the rear mouth of a river mould (22), any push plate (62) and a cylinder or oil cylinder It is fixedly connected by axis, two push plates (62) extend forward and beyond the described rear mouth of a river mould (22) land area.

3. tin ball forming device as claimed in claim 1 or 2, which is characterized in that mouth of a river mould (22) upper cover is equipped with one after described Back shroud (23), the back shroud (23) are fixed on the fixed frame (1), and preceding mouth of a river mould (32) upper cover is equipped with a front cover Plate (34), the front shroud (34) are fixed on the dynamic mould fixing plate (33), and the main running channel is revealed in the back shroud (23) and front shroud (34).

4. tin ball forming device as described in claim 1, which is characterized in that mouth of a river mould (22) abuts the fixed frame after described (1) and with the solid plate (21) contact surface by step it limits, the length of bench is equal to the rear mouth of a river mould (22) or fixed Template (21) length, rear mouth of a river mould (22) bottom are equipped with the lubrication groove of a distortion.

5. tin ball forming device as described in claim 1 or 4, which is characterized in that the preceding mouth of a river mould (32) abuts described dynamic Mould fixed plate (33), the preceding mouth of a river mould (32) and the moving template (31) contact surface are limited by step, the length of bench Equal to the preceding mouth of a river mould (32) or moving template (31) length, preceding mouth of a river mould (32) bottom is equipped with the lubrication groove of a distortion.

6. tin ball forming device as described in claim 1, which is characterized in that back die component (2) rear is equipped with an ejection Component (4), two open mold guide rods (11) or two thimble guide rods (12) for being fixed on the fixed frame (1) rear end are movable Across the ejection assembly (4), the ejection assembly (4) is located at the back die component (2) rear, ejection assembly (4) tool There are a thimble fixed plate (42) and a thimble clamping plate (41), is equipped with more thimbles, Suo Yousuo on the thimble fixed plate (42) Thimble is stated across the fixed frame (1) and back die component (2), part thimble is corresponding with multiple type chambers, another part thimble It is corresponding with the main running channel.

7. tin ball forming device as claimed in claim 6, which is characterized in that the fixed frame (1) has one to be used to install institute State the front shoe (13) of clasp mould mechanism (5), one for consolidating after fixing the middle fixed plate (14) and one of the back die component (2) Fixed board (15), the middle fixed plate (14) between the front shoe (13) and rear fixed plate (15), fix by the thimble Between the rear fixed plate (15) and middle fixed plate (14), the rear fixed plate (15) is left for plate (42) and thimble clamping plate (41) Right two sides are equipped with a stop screw (151) respectively, and two stop screws (151) abut the thimble clamping plate (41).

8. tin ball forming device as described in claim 1, which is characterized in that it is described after mouth of a river mould (22), preceding mouth of a river mould (32), A cold water hole is equipped at left and right sides of moving template (31) and solid plate (21).

9. tin ball forming device as described in claim 1, which is characterized in that the land area left and right ends of the moving template (31) It is convexly equipped with a positioning pin (311), solid plate (21) the land area left and right ends are equipped with right with two positioning pins (311) The dowel hole (211) answered.

10. tin ball forming device as claimed in claim 9, which is characterized in that multiple type chambers interval of the solid plate (21) It is distributed between two dowel holes (211), the type chamber two sides of each solid plate (21) are equipped with air discharge duct.