CN212419577U

CN212419577U - Antimony-lead alloy forming die

Info

Publication number: CN212419577U
Application number: CN202021134922.9U
Authority: CN
Inventors: 龚文; 蒋贵亚
Original assignee: Guizhou Huaxing Metallurgy Co ltd
Current assignee: Guizhou Huaxing Metallurgy Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-01-29
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses an antimony lead alloy forming die, including the lower mould bedplate, the top outer wall of lower mould bedplate is equipped with bearing plate, fixed plate, push pedal, stripper plate, setting element and punch holder board in proper order, and the equal fixedly connected with guide pillar of the both sides inner wall of lower mould bedplate, the top outer wall sliding connection of guide pillar is on the inner wall of bearing plate, fixed plate, push pedal, stripper plate, setting element and punch holder board, the inner wall middle part of lower mould bedplate is equipped with down the push pedal, and puts the push rod in the top outer wall middle part fixedly connected with of stripper plate down, bearing plate and fixed plate are equipped with the compensation cavity with the junction of putting the push rod in. The utility model discloses injection moulding metal spare in the setting element centre bore, the influence of the thickness tolerance of eliminating alloy spare to the mould total height after closing the mould has adopted belleville spring compensation arrangement, reduces bubble, gas pocket in the alloy shaping, and runner department is equipped with overflow control by temperature change structure, reduces the port on the terminal surface and repaiies the operation, and it is extravagant to reduce runner department molten steel.

Description

Antimony-lead alloy forming die

Technical Field

The utility model relates to an antimony lead alloy processing technology field especially relates to an antimony lead alloy forming die.

Background

An antimony-containing lead alloy for making slab lattice and conductive parts of lead-acid accumulator. Compared with pure lead, the lead-free lead has the advantages of low melting point, good fluidity in a molten state, easiness in casting and forming and high hardness after solidification; the disadvantage is that the gas evolution overpotential of the grid is low. In order to reduce the gas separation during the charging of the storage battery, reduce self-discharge and improve the corrosion resistance, the antimony content is gradually reduced from 5-7 percent to about 2 percent or even lower.

The high-heat-dissipation lead-antimony alloy forming die disclosed in the publication No. CN209094517U comprises a top plate and a die table, wherein a motor is mounted in the middle of the top plate through a placing groove, an output shaft of the motor is fixedly connected with a rotating shaft, and a second driving belt is arranged on the surface of the rotating shaft through a bearing.

The end faces of the existing lead-antimony alloy forming die need to be trimmed after forming, and meanwhile, the alloy end faces are easy to cause local damage due to overflow in demolding, so that the forming precision of the whole alloy is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an antimony-lead alloy forming die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an antimony-lead alloy forming die comprises a lower die base plate, wherein a supporting plate, a fixing plate, a push plate, a positioning piece and an upper die base plate are sequentially arranged on the outer wall of the top of the lower die base plate, guide pillars are fixedly connected to the inner walls of the two sides of the lower die base plate, the outer walls of the tops of the guide pillars are slidably connected to the inner walls of the supporting plate, the fixing plate, the push plate, the positioning piece and the upper die base plate, a lower push plate is arranged in the middle of the inner wall of the lower die base plate, a middle push rod is fixedly connected to the middle of the outer wall of the top of the lower push plate, a compensation cavity is arranged at the connecting position of the supporting plate and the fixing plate with the middle push rod, a first disc spring is arranged on the inner wall of the compensation cavity, the first disc spring is sleeved on the outer wall of the middle push rod, and the compensation column is fixedly connected on the inner wall of the stepped cavity, a core cavity is formed between the inner wall of the positioning piece and the top end of the fixing plate, demolding pressing strips are clamped on the inner walls of four sides of the core cavity, and a pouring gate is arranged at the central axis of the outer wall of the top of the upper mold base plate.

As a further scheme of the utility model, still include runner locating component, runner locating component includes overflow pipe and temperature sensor, the bottom outer wall fixedly connected with flange of runner, and temperature sensor fixed connection is on flange's both sides outer wall, the overflow pipe is U type structure, and overflow pipe fixed connection is on the bottom outer wall of runner.

As a further scheme of the utility model, go up the top inner wall fixedly connected with sliding hole of die holder board, and the inner wall joint of sliding hole has the guide pin bushing, the top outer wall sliding connection of guide pillar is on the inner wall of guide pin bushing.

As a further proposal of the utility model, the demoulding depression bar is of a pentagonal structure, and the top outer wall of the demoulding depression bar is provided with a chute.

As a further scheme of the utility model, the recess has all been opened to the bottom outer wall both sides of setting element, and the inner wall degree of depth of recess and first belleville spring's stroke looks adaptation.

As a further proposal of the utility model, the motion stroke of the second belleville spring is matched with the half depth of the core cavity.

As a further scheme of the utility model, still include the drawing of patterns lug, drawing of patterns lug equidistance parallel distribution is on the outer wall of chute.

The utility model has the advantages that:

1. according to the antimony-lead alloy forming die, a metal piece is injected into a central hole of a positioning piece, a rod type injection molding machine is used for forming, in order to eliminate the influence of the thickness tolerance of the alloy piece on the total height of the die after die closing, a disc spring compensation device is adopted, and the influence of bubbles, air holes and the like on the alloy quality in alloy forming is reduced;

2. according to the antimony-lead alloy forming die, the overflow temperature control structure is arranged at the pouring gate, the overflow pipe is arranged at the top end of the pouring gate, the overflow pipe overflows and circularly fills the inner core cavity of the positioning piece after the pouring gate is partially filled, liquid injection is stopped through the temperature sensor, port finishing operation on the end face is reduced, and alloy steel water waste at the pouring gate is reduced;

3. according to the antimony-lead alloy forming die, the demoulding pressing strip is arranged on the inner wall of the bottom end, the edge of the alloy is shaped through the demoulding pressing strip, and the overall alloy is shaped into a pentagonal structure through the chute structure, so that subsequent demoulding and stacking are facilitated.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of an embodiment 1 of an antimony-lead alloy forming mold according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a gate of an embodiment 1 of an antimony-lead alloy forming mold according to the present invention;

fig. 3 is a schematic structural view of a release molding strip of an embodiment 1 of an antimony-lead alloy molding die provided by the present invention;

fig. 4 is a schematic view of the structure of the stripping and pressing strip according to embodiment 2 of the antimony-lead alloy forming mold of the present invention.

In the figure: the device comprises an upper die base plate 1, a core cavity 2, a positioning piece 3, a compensation column 4, a pushing piece plate 5, a pushing plate 6, a fixing plate 7, a supporting plate 8, a lower die base plate 9, a pushing rod fixing plate 10, a pushing rod 11, a middle pushing rod 12, a first belleville spring 13, a connecting pushing rod 14, a second belleville spring 15, a guide pillar 16, a guide sleeve 17, a demolding pressing strip 18, a sprue positioning component 19, a sprue 20, an overflow pipe 21, a temperature sensor 22, a connecting flange 23, a chute 24 and a demolding convex block 25.

Detailed Description

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

Example 1

Referring to fig. 1-3, an antimony-lead alloy forming die comprises a lower die seat plate 9, wherein a supporting plate 8, a fixing plate 7, a push plate 6, a push plate 5, a positioning piece 3 and an upper die seat plate 1 are sequentially arranged on the outer wall of the top of the lower die seat plate 9, guide pillars 16 are fixedly connected to the inner walls of the two sides of the lower die seat plate 9, the outer wall of the top of each guide pillar 16 is slidably connected to the inner walls of the supporting plate 8, the fixing plate 7, the push plate 6, the push plate 5, the positioning piece 3 and the upper die seat plate 1, a lower push plate 11 is arranged in the middle of the inner wall of the lower die seat plate 9, a middle push rod 12 is fixedly connected to the middle of the outer wall of the top of the lower push plate 11, a compensation cavity is arranged at the joint of the supporting plate 8, the fixing plate 7 and the middle push rod 12, a first butterfly spring, the inner wall of the stepped cavity is provided with a second butterfly spring 15, the inner wall of the second butterfly spring 15 is sleeved with a compensation column 4, the compensation column 4 is fixedly connected to the inner wall of the stepped cavity, a core cavity 2 is formed between the inner wall of the positioning piece 3 and the top end of the fixing plate 7, demolding pressing strips 18 are clamped on the inner walls of four sides of the core cavity 2, a sprue 20 is arranged at the central axis of the outer wall of the top of the upper die base plate 1, the pouring gate positioning assembly 19 further comprises a sprue positioning assembly 19, the sprue positioning assembly 19 comprises an overflow pipe 21 and a temperature sensor 22, the outer wall of the bottom end of the sprue 20 is fixedly connected with a connecting flange 23, the temperature sensor 22 is fixedly connected to the outer walls of two sides of the connecting flange 23, the overflow pipe 21 is of a U-shaped structure, the overflow pipe 21 is fixedly connected to the outer wall of the bottom end of the sprue 20, the inner wall of the top, the demolding pressing strip 18 is of a pentagonal structure, the outer wall of the top of the demolding pressing strip 18 is provided with a chute 24, two sides of the outer wall of the bottom end of the positioning piece 3 are provided with grooves, the depth of the inner wall of each groove is matched with the stroke of the first belleville spring 13, and the motion stroke of the second belleville spring 15 is matched with half of the depth of the core cavity 2.

The working principle of the embodiment is as follows: firstly, a metal workpiece 3 is put into a die, after the die is closed, disc springs 15 and 13 arranged below a stripper plate 5 and a core cavity 2 compensate the thickness of the metal workpiece and the height of the core cavity respectively, and when the metal workpiece is thicker, the disc springs 15 are further compressed. Push away a board 5 and draw close to push pedal 6, compensation post 4 moves backward in push pedal 6 is downthehole simultaneously, the space that compensation post 4 retreated has been reserved to the degree of depth of the step fixed orifices of push pedal 6, otherwise, when the metalwork is thinner, belleville spring 15 upwards promotes and pushes away a board 5, make the die joint closely laminate in order to prevent the flash, the compensation effect of first dish spring 13 to the core chamber is similar with second belleville spring 15, push rod 12 pushes away the congeals material hole with the runner, it is connected with compensation post 4 between push away a board 5 and the push pedal 6, so no matter release still reset, it always keeps in an organic whole with the push pedal to push away a board, act together, the lathe push rod drives connecting push rod 14 and push pedal 6, push pedal 6 drives and pushes away a board 5 and deviates from the antimony lead alloy.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that the present embodiment further includes stripping protrusions 25, and the stripping protrusions 25 are equidistantly and parallelly distributed on the outer wall of the chute 24.

The working principle of the embodiment is as follows: based on embodiment 1, the demolding pressing strip 18 is used for shaping the alloy edge, the inclined groove structure of the demolding pressing strip is changed into the sawtooth-shaped structure, the integral alloy is molded to be in a pentagonal structure, meanwhile, the edge of the demolding pressing strip is in a groove cutting structure, and therefore the alloy can be occluded and stacked in subsequent stacking, and stability is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An antimony-lead alloy forming die comprises a lower die seat plate (9) and is characterized in that a bearing plate (8), a fixing plate (7), a push plate (6), a stripper plate (5), a positioning piece (3) and an upper die seat plate (1) are sequentially arranged on the outer wall of the top of the lower die seat plate (9), guide pillars (16) are fixedly connected to the inner walls of the two sides of the lower die seat plate (9), the outer wall of the top of each guide pillar (16) is slidably connected to the inner walls of the bearing plate (8), the fixing plate (7), the push plate (6), the stripper plate (5), the positioning piece (3) and the upper die seat plate (1), a lower push plate (11) is arranged in the middle of the inner wall of the lower die seat plate (9), a middle push rod (12) is fixedly connected to the middle of the outer wall of the top of the lower push plate (11), a compensation cavity is, and the inner wall of the compensation cavity is provided with a first butterfly spring (13), the first butterfly spring (13) is sleeved on the outer wall of the middle push rod (12), a stepped cavity is reserved between the push plate (6) and the push piece plate (5), the inner wall of the stepped cavity is provided with a second butterfly spring (15), the inner wall of the second butterfly spring (15) is sleeved with a compensation column (4), the compensation column (4) is fixedly connected onto the inner wall of the stepped cavity, a core cavity (2) is formed between the inner wall of the positioning piece (3) and the top end of the fixing plate (7), the inner walls of four sides of the core cavity (2) are clamped with demolding pressing strips (18), and the central axis of the outer wall of the top of the upper mold base plate (1) is provided with a pouring gate (20).

2. The antimony-lead alloy molding die according to claim 1, further comprising a gate positioning component (19), wherein the gate positioning component (19) comprises an overflow pipe (21) and a temperature sensor (22), a connecting flange (23) is fixedly connected to the outer wall of the bottom end of the gate (20), the temperature sensor (22) is fixedly connected to the outer walls of two sides of the connecting flange (23), the overflow pipe (21) is of a U-shaped structure, and the overflow pipe (21) is fixedly connected to the outer wall of the bottom end of the gate (20).

3. The antimony-lead alloy forming die as claimed in claim 1, wherein a sliding hole is fixedly connected to the inner wall of the top of the upper die base plate (1), a guide sleeve (17) is clamped to the inner wall of the sliding hole, and the outer wall of the top end of the guide post (16) is slidably connected to the inner wall of the guide sleeve (17).

4. The antimony-lead alloy forming die as claimed in claim 1, wherein the demolding pressing strip (18) is of a pentagonal structure, and the outer wall of the top of the demolding pressing strip (18) is provided with a chute (24).

5. The antimony-lead alloy forming die as claimed in claim 1, wherein grooves are formed in both sides of the outer wall of the bottom end of the positioning member (3), and the depth of the inner wall of each groove is matched with the stroke of the first belleville spring (13).

6. The antimony-lead alloy forming die as claimed in claim 1, wherein the movement stroke of the second belleville spring (15) is matched with half of the depth of the core cavity (2).

7. The antimony-lead alloy forming die as claimed in claim 1, further comprising demolding protrusions (25), wherein the demolding protrusions (25) are equidistantly and parallelly distributed on the outer wall of the inclined groove (24).