CN215544305U - Aluminum bottle forming die with polishing function - Google Patents

Abstract

The utility model relates to an aluminum bottle forming die with a polishing function, which comprises a female die and a male die 3, wherein the female die comprises an upper female die 4, a demoulding component 5 and a die holder 6, the upper female die 4 is positioned above the demoulding component 5, the die holder 6 is positioned below the demoulding component 5, and the upper female die 4, the demoulding component 5 and the die holder 6 are fixedly connected by bolts. Go up the first arc of die 4 and lead face 401 and first vertical shaping face 402 and be the polished surface, be equipped with the blank holder subassembly above the die, the blank holder subassembly includes blank holder 2 and blank holder 1, and blank holder 2 adopts bolt fixed connection with blank holder 1, and the second arc of blank holder 2 leads face 201 and is the polished surface. The male die 3 is axially movable between the blank holder assembly and the female die, and the second vertical forming surface 301, the arc-shaped forming surface 302 and the horizontal forming surface 303 of the male die 3 are polishing surfaces. The first arc-shaped guide surface 401 and the second arc-shaped guide surface 201 enclose the forming guide channel 7 and the first vertical profiled surface 402 and the second vertical profiled surface 301 enclose the forming guide channel 8.

Description

Aluminum bottle forming die with polishing function

Technical Field

The utility model relates to an aluminum bottle processing mold, in particular to a mold which has a polishing function and is used for processing and molding an aluminum bottle.

Background

In the prior art, an aluminum bottle is processed and molded by a mold device, and then is processed by a traditional polishing procedure by using auxiliary products such as polishing equipment, polishing paste and the like, so that the processing is carried out step by step. The step-by-step processing has the advantages of low production efficiency, more occupied human resources and high production cost. Especially for large-capacity aluminum bottles, the technical difficulty of secondary polishing is high, the polishing effect is insufficient, and the product quality is difficult to improve.

Therefore, there is a need for a device for processing and forming aluminum bottles and having a polishing function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an aluminum bottle forming die with a polishing function, which can polish aluminum bottles synchronously while processing and forming the aluminum bottles.

The technical scheme adopted by the utility model is as follows: an aluminum bottle forming die with a polishing function comprises a female die and a male die. The die comprises an upper die, a demolding assembly and a die holder, the upper die is provided with a first arc-shaped guide surface and a first vertical molding surface, the upper die and the demolding assembly are both annular, and the periphery of the annular convex die is arranged. The upper concave die is located above the demolding assembly, the concave die holder is located below the demolding assembly, and the minimum inner diameter of the concave die holder is larger than that of the upper concave die, so that the outer wall of the aluminum bottle formed by polishing cannot be scratched by the concave die holder. Go up die, drawing of patterns subassembly and die holder and adopt fixed connection to be connected, this kind of detached structural design is convenient for go up the machine-shaping and the polishing of the first arc guide face and the first vertical shaping face of die. Go up the die top and be equipped with the blank pressing subassembly, the blank pressing subassembly is the annular, the blank pressing subassembly has second arc guide face. The male die which axially moves between the edge pressing component and the female die is provided with a second vertical forming surface, an arc-shaped forming surface and a horizontal forming surface. The first arc-shaped guide surface and the second arc-shaped guide surface surround a guide channel of a metal plate to be processed, the first vertical forming surface and the second vertical forming surface surround a forming channel of the metal plate, the gap of the forming channel is smaller than the thickness of the metal plate, the thickness of the metal plate for processing and forming is slightly larger than the gap value, if the thickness of the metal plate is smaller than the gap value, the rolling and polishing effects cannot be achieved, and if the thickness of the metal plate is larger than the gap value, the metal plate is easy to stretch and break. The first arc-shaped guide surface, the first vertical forming surface, the second arc-shaped guide surface, the second vertical forming surface, the arc-shaped forming surface and the horizontal forming surface are polishing surfaces, and the polishing precision is the same as the precision of the outer surface of the formed aluminum bottle.

In the process of processing the aluminum bottle, the metal plate is pressed between the edge pressing assembly and the upper female die, the male die moves up and down along the shaft between the edge pressing assembly and the upper female die, the metal plate enters from the guide channel and then is stretched and formed downwards along the forming channel, and the metal plate is extruded in the clearance movement of the forming channel to be slightly thinned, so that the surface of the finished aluminum bottle has a smooth surface with the same precision as the polished surface of the die. According to the technical scheme, the metal plate is processed, so that the surface of the formed aluminum bottle has the rolling and polishing effects while the metal plate is processed into the aluminum bottle, and the phenomena of transverse lines in the metal plate processing process and uneven stress in the annealing process are eliminated.

As a further limitation to the above technical solution, the stripper assembly includes a stripper ring, a stripper ring seat, an ejector block and a spring. The demoulding ring is not in a closed circular ring shape, but is formed by enclosing three arc strip-shaped demoulding blocks at certain intervals, a plurality of ejector blocks and a plurality of springs are arranged, the ejector blocks are arranged below the demoulding ring, and the springs surround the thin neck parts of the ejector blocks and are clamped between the ejector blocks and the concave die holder. The section of the demoulding ring is in a trapezoid shape with a narrow top and a wide bottom, the demoulding ring and the demoulding ring seat are provided with opposite inclined planes, an included angle of 10 degrees is formed between each inclined plane and the vertical plane, and the demoulding ring can move relative to the demoulding ring seat along the inclined planes. In the stamping process, drawing of patterns circle atress, wherein decurrent effort passes through the kicking block and transmits for the spring, makes spring atress compression, and drawing of patterns circle can transversely outwards and perpendicular lapse, unloads the interact power between aluminium bottle and the drawing of patterns circle, can not hinder the stamping forming production of aluminium bottle, also can not exert an influence to the smooth outer wall of fashioned aluminium bottle. After punch forming, in the process that the male die returns upwards, the demoulding block transversely slides inwards and vertically upwards due to the tension of the spring, so that an interaction force is generated between the demoulding block and the outer wall of the aluminum bottle, and the demoulding block plays a role in clamping the aluminum bottle, so that the formed aluminum bottle is separated from the male die. Therefore, the demoulding component plays a role in material returning after punch forming.

As the further limitation to the technical scheme, the upper concave die is made of quenched steel, so that the surface machining precision is high, the rolling and polishing effects are good, the hardness is high, the abrasion resistance is high, and the aluminum bottle mould is suitable for mass production of aluminum bottles. The material of the concave die holder is 45# steel, and finish machining of a polishing procedure is not needed.

As the technical scheme is further limited, the die holder can be formed by welding a disc base, a hollow cylindrical barrel body and an annular upper edge, the inner diameter of the annular upper edge is larger than that of the upper die, the outer wall of an aluminum bottle formed by polishing cannot be scratched, the die holder with the structure is easy to machine, polishing is not needed, and the material cost and the machining cost of the die are saved.

As a further limitation to the above technical solution, the fixed connection between the upper concave film, the demolding assembly and the concave die holder may be a bolt connection, a pin connection, a rivet connection, a welding connection, or the like.

As the further restriction to above-mentioned technical scheme, the blank holder subassembly includes blank holder and blank holder, and the blank holder is the cylinder, and the blank holder is the dome shape of middle trompil, second arc guide face is located the surface of blank holder, and the internal diameter size of blank holder and blank holder is greater than the external diameter size of terrace die, and blank holder adopt fixed connection mode to be connected, and the second arc guide face's that blank holder and blank holder partd structural design are convenient for machine-shaping and the polishing of blank holder.

As the further limitation to the technical scheme, the blank holder is made of quenched steel, so that the blank holder is high in surface machining precision, good in rolling and polishing effects, high in hardness, wear-resistant and suitable for mass production of aluminum bottles. The material of the edge pressing seat is 45# steel, and finish machining of a polishing process is not needed.

As a further limitation to the above technical solution, the fixing connection between the blank holder and the blank holder may be a bolt connection, a pin-bolt connection, a rivet connection, or a welding connection.

The utility model has the advantages that: by adopting the technical scheme, the aluminum bottle surface polishing is completed when the mold is used for processing and molding the aluminum bottle, one processing production procedure is reduced, the production efficiency is effectively improved, and the polishing effect is more stable. The improvement of the surface precision of the die enables the surface polishing precision of the product to be basically consistent with that of the die, and the product quality is higher. The modification of the structure and the material of the die enables the die to be easier to manufacture and process, and the material cost and the processing cost for manufacturing the die are lower.

Drawings

FIG. 1 is an overall cross-sectional view of the mold of the present invention;

FIG. 2 is a block diagram of a hold-down assembly;

fig. 3 is an axial sectional view of the male mold 3;

FIG. 4 is an axial sectional view of the upper die 4;

FIG. 5 is an enlarged view of A in FIG. 1;

fig. 6 is a structural view of the mold release ring 501;

in the figure: 1-an edge pressing base; 2-pressing the edges; 201-a second arcuate guide surface; 3-a male die; 301-a second vertical molding surface; 302-arc-shaped forming surface; 303-horizontal forming surface; 4-mounting a female die; 401-a first arcuate guide surface; 402-a first vertical forming surface; 5-demoulding the assembly; 501-demoulding ring; 502-stripper ring seat; 503-top block; 504-a spring; 6-a concave die holder; 7-a guide channel; 8-forming the channel.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

An aluminum bottle forming mold with a polishing function as shown in fig. 1-4 comprises a female mold and a male mold 3. The die includes die 4, drawing of patterns subassembly 5 and die holder 6, and the detached structural design is convenient for go up the machine-shaping and the polishing of the first arc guide face 401 and the first vertical shaping face 402 on 4 surperficial of die, goes up die 4 and the 5 ring terrace die 3 peripheries of drawing of patterns subassembly and sets up, and the minimum internal diameter size of die holder 6 is greater than the internal diameter size of last die 4 to this guarantees that die holder 6 can not fish tail polishing fashioned aluminium bottle outer wall. The upper female die 4 is located above the demolding assembly 5, the female die holder 6 is located below the demolding assembly 5, and the upper female die 4, the demolding assembly 5 and the female die holder 6 are fixedly connected through the same bolt. And a blank pressing component is arranged above the upper female die 4, the blank pressing component is arranged around the periphery of the male die 3, and the inner diameter of the blank pressing component is larger than the outer diameter of the male die 3. The blank pressing assembly comprises a blank pressing body 2 and a blank pressing seat 1, the second arc-shaped guide surface 201 on the surface of the blank pressing body 2 is convenient to machine, form and polish through separated structural design, and the blank pressing body 2 and the blank pressing seat 1 are fixedly connected through bolts. The male die 3, which is axially movable between the blank holder assembly and the female die, has a second vertical forming surface 301, an arc-shaped forming surface 302 and a horizontal forming surface 303, which are all polished surfaces. The first arc-shaped guide surface 401 and the second arc-shaped guide surface 201 surround a guide channel 7 of a metal plate to be processed, the first vertical forming surface 402 and the second vertical forming surface 301 surround a forming channel 8 of the metal plate, the gap of the forming channel 8 is smaller than the thickness of the metal plate, the thickness of the metal plate for processing and forming is slightly larger than the gap value, if the thickness of the metal plate is smaller than the gap value, the rolling and polishing effects cannot be achieved, and if the thickness of the metal plate is larger than the gap value, the metal plate is easy to stretch and break. In the aluminum bottle processing process, the metal plate is pressed between the edge pressing part 2 and the upper female die 4, the male die 3 downwards presses the metal plate between the edge pressing component and the female die, the metal plate moves downwards from the guide channel 7 and then is stretched and formed downwards along the gap of the forming channel 8, the metal plate is extruded in the gap movement to be slightly thinned, so that the surface of the finished aluminum bottle has a smooth surface with a rolling and polishing effect, and the precision of the outer surface of the formed aluminum bottle is the same as the polishing precision of the polished surface.

In an embodiment of the present invention, the stripper assembly 5 shown in fig. 5 comprises a stripper ring 501, a stripper ring seat 502, a top block 503 and a spring 504, the stripper ring is not in a closed ring shape as shown in fig. 6, but is formed by surrounding three circular-arc-shaped stripper blocks with a certain gap, the top block 503 and the spring 504 are multiple, the top block 503 is under the stripper ring 501, and the spring 504 surrounds a thin neck part of the top block 503 and is clamped between the top block 503 and the die holder 6. As shown in FIG. 5, the cross-sectional shape of the mold release ring is a trapezoid with a narrow top and a wide bottom, and the surface of the mold release ring 501 contacted with the mold release ring seat 502 is a matched inclined surface and forms an included angle of 10 degrees with the vertical surface. In the stamping process, the demoulding ring 501 is stressed, wherein a downward acting force is transmitted to the spring 504 through the jacking block 503, so that the spring 504 is stressed and compressed, the demoulding ring 501 can transversely outwards and vertically downwards slide, the mutual acting force between the aluminum bottle and the demoulding ring 501 is removed, the blocking to the punch forming of the aluminum bottle is avoided, and the influence to the smooth outer wall of the formed aluminum bottle is also avoided; after punch forming, in the process that the male die returns upwards, the demoulding block transversely slides inwards and vertically upwards due to the tension of the spring, so that an interaction force is generated between the demoulding block and the outer wall of the aluminum bottle, the demoulding block plays a role in clamping the aluminum bottle, and the formed aluminum bottle is separated from the male die 3.

In an embodiment of the present invention, the material of the die holder 6 and the edge pressing holder 1 is 45# steel, and as shown in fig. 1, the die holder 6 is in a shape of a cylinder with an upper opening. The die holder 6 is formed by welding a disc base, a hollow cylindrical barrel body and an annular upper edge, the inner diameter of the annular upper edge is larger than that of the die 4, the outer wall of an aluminum bottle formed by polishing cannot be scratched, the die holder 6 with the structure is easy to machine, polishing is not needed, and the material cost and the machining cost of the die are saved.

In a specific embodiment of the utility model, the upper female die 4, the male die 3 and the blank holder 2 are made of quenched steel, so that the surface processing precision is high, the rolling and polishing effects are good, the hardness is high, the aluminum bottle blank holder is wear-resistant, and the aluminum bottle blank holder is suitable for mass production of aluminum bottles.

In one embodiment of the utility model, an aluminum plate with the sheet thickness of 1.23mm is used in practical production, the gap of the forming channel 8 is set to be 1.2mm, and deformation is generated by extrusion of the first vertical forming surface 402 and the second vertical forming surface 301 in the stretching process, so that the surface of the finished aluminum bottle has a smooth surface with rolling and polishing effects, and the phenomena of transverse lines in the sheet processing process and uneven stress in the annealing process are eliminated.

In one embodiment of the utility model, the material is 45# steel, and the edge pressing base 1 does not need to be subjected to finish machining of a polishing process, so that the material cost and the machining cost of a die are saved.

In an embodiment of the present invention, the fixed connection between the upper die 4 and the die holder 5 may also be another fixed connection such as the same pin connection.

In an embodiment of the present invention, the fixing connection between the pressing edge 2 and the pressing edge seat 1 may also be other fixing connection manners such as pin connection.

In a specific embodiment of the present invention, the material of the female die holder 6 and the blank holder 1 may be other hard materials, and the shape may also be other shapes, and the same supporting and bearing force may be exerted.

In a specific embodiment of the utility model, the technical scheme can be applied to the processing production of the medical aluminum bottle, the processing production of aluminum bottles with other purposes and the processing production of metal bottle products made of other materials.

The working principle or working steps are as follows: in the process of processing the aluminum bottle, the edge pressing assembly is acted by a downward force to press the metal plate between the edge pressing 2 and the upper female die 4, and the male die 3 passes through the middle of the edge pressing assembly and moves downwards to the inside of the female die as shown in figure 1 to extrude and stretch the metal plate. In the stretching process, the metal plate moves downwards through the guide channel 7 and is stretched and formed downwards along the forming channel 8, and the metal plate is slightly thinned due to extrusion and stretching, so that the surface of a finished product has a smooth surface with a rolling and polishing effect. After punch forming, in the process that the male die 3 returns upwards, due to the tension of the spring 504, the demoulding ring 501 slides inwards transversely and upwards vertically, an interaction force is generated between the demoulding ring 501 and the outer wall of the aluminum bottle, and the demoulding ring 501 plays a role in clamping the aluminum bottle, so that the formed aluminum bottle is separated from the male die 3.

According to the technical scheme, the aluminum bottle is polished during processing and forming, and transverse lines in the metal plate processing process and stress unevenness in the annealing process are eliminated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equally replacing or changing the technical idea of the present invention within the technical scope of the present invention.

Claims (8)

1. The utility model provides an aluminum bottle forming die with polishing function which characterized in that: including die and terrace die (3), the die includes die (4), drawing of patterns subassembly (5) and die holder (6), it has first arc guide face (401) and first vertical shaping face (402) to go up die (4), it is the annular to go up die (4) and drawing of patterns subassembly (5), goes up die (4) and is located drawing of patterns subassembly (5) top, and die holder (6) are located the below of drawing of patterns subassembly (5), it adopts the fixed connection mode to be connected to go up die (4), drawing of patterns subassembly (5) and die holder (6), it is equipped with the blank pressing subassembly to go up die (4) top, and the blank pressing subassembly is the annular, the blank pressing subassembly has second arc guide face (201), and terrace die (3) are along axial activity in blank pressing subassembly and last die (4) annular inside, terrace die (3) have vertical shaping face (301) of second, arc shaping face (302) and horizontal shaping face (303), first arc guide face (401) and second arc guide face (201) enclose guide channel (7) that constitute the sheet metal material of required processing, first vertical profiled surface (402) and second vertical profiled surface (301) enclose profiled channel (8) that constitute sheet metal material, and the clearance of profiled channel (8) is less than sheet metal material's thickness, first arc guide face (401), first vertical profiled surface (402), and second arc guide face (201), and second vertical profiled surface (301), arc profiled surface (302), horizontal profiled surface (303) are polished surface.

2. The aluminum bottle forming mold with polishing function as recited in claim 1, wherein: demoulding subassembly (5) is including drawing of patterns circle (501), drawing of patterns circle seat (502), kicking block (503) and spring (504), drawing of patterns circle (501) are enclosed to close by the strip drawing of patterns piece of three circular arc and are formed, and drawing of patterns circle (501) below is provided with a plurality of spaced kicking blocks (503), and every kicking block (503) correspond a spring (504), and spring (504) encircle kicking block (503) thin neck to the card is between kicking block (503) and die holder (6), the cross sectional shape of drawing of patterns circle (501) is under the narrow width trapezoidal, drawing of patterns circle (501) and drawing of patterns circle seat (502) have relative inclined plane, and the inclined plane has 10 degrees contained angles with the vertical, drawing of patterns circle (501) can be followed the relative drawing of patterns circle seat (502) removal of inclined plane.

3. The aluminum bottle forming mold with polishing function as recited in claim 1, wherein: the upper female die (4) is made of quenched steel, and the female die holder (6) is made of 45# steel.

4. The aluminum bottle forming mold with polishing function as recited in claim 3, wherein: the die holder (6) is formed by welding a disc base, a hollow cylindrical barrel body and an annular upper edge, and the inner diameter of the annular upper edge is larger than that of the upper die (4).

5. The aluminum bottle forming mold with polishing function as recited in claim 1, wherein: the upper concave film (4), the demoulding component (5) and the concave die holder (6) are fixedly connected through the same bolt or rivet.

6. The aluminum bottle forming mold with polishing function as recited in claim 1, wherein: the blank pressing assembly comprises a blank pressing body (2) and a blank pressing seat (1), wherein the blank pressing body (2) is cylindrical, the blank pressing seat (1) is in a round cover shape with a middle opening, a second arc-shaped guide surface (201) is located on the surface of the blank pressing body (2), the inner diameter of the blank pressing body (2) and the inner diameter of the blank pressing seat (1) are larger than the outer diameter of the male die (3), and the blank pressing body (2) is connected with the blank pressing seat (1) in a fixed connection mode.

7. The aluminum bottle forming mold with polishing function as recited in claim 6, wherein: the blank holder (2) is made of quenched steel, and the blank holder (1) is made of 45# steel.

8. The aluminum bottle forming mold with polishing function as recited in claim 6, wherein: the edge pressing (2) is fixedly connected with the edge pressing seat (1) through bolts or rivets.

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