CN211539200U - Tensile mould of extra quality casing - Google Patents

Abstract

The utility model discloses a double-material shell stretching die, which comprises an upper die and a lower die, wherein the upper die comprises an upper press plate, an upper template and an upper die base, a concave die is arranged on the upper die base, and a concave die insert is arranged on the lower end surface of the concave die; the lower mould includes the holding-down press board, lower bolster and first support column, be equipped with the second support column on the lower bolster, the top of lower bolster is equipped with the blank holder frame, the upper end installation terrace die of second support column runs through the blank holder frame, be equipped with the blank holder on the blank holder frame, be equipped with a plurality of guiding mechanism between cope match-plate pattern and the lower bolster, the upper and lower surface of blank holder frame all is equipped with the balancing piece, be equipped with the roof between lower bolster and the holding-down press board, the upper end of roof is equipped with the second grade ejector pin, the lower surface that withstands the blank holder frame after the lower bolster is passed to the second grade ejector pin. The utility model discloses an optimize tensile profile, optimize the mode of brake bead, successfully solved product corner and wrinkled easily, the product easy cracking scheduling problem. The product stability is greatly improved, and the die cost is greatly reduced.

Description

Tensile mould of extra quality casing

Technical Field

The utility model relates to the technical field of mold, concretely relates to tensile mould of extra quality casing.

Background

The product stretched by the stretching die in the prior art is easy to wrinkle at the corner and crack.

Disclosure of Invention

In order to solve the shortcomings in the prior art, the utility model provides a tensile mould of double-material shell.

In order to realize the technical effect, the utility model discloses a following scheme:

a double-material shell stretching die comprises an upper die and a lower die, wherein the upper die comprises an upper press plate, an upper die plate is arranged on the lower surface of the upper press plate, an upper die base is arranged on the lower surface of the upper die plate, a downward concave die is arranged on the lower surface of the upper die base, 8 concave die inserts are arranged on the lower end surface of the concave die, and the 8 concave die inserts are arranged around a concave pit of the concave die; the lower die comprises a lower press plate, a lower die plate is arranged above the lower press plate and supported by a first support column, the first support column is positioned in the center of the lower press plate, a second support column is arranged in the center of the upper surface of the lower die plate, a blank holder frame is arranged above the lower die plate, a vertical through hole is formed in the center of the blank holder frame, the upper end of the second support column is positioned in the through hole and matched with the through hole, a male die is mounted at the upper end of the second support column and corresponds to the female die, 8 blank holders are arranged on the blank holder frame and surround the male die, 8 blank holders correspond to 8 female die inserts, a plurality of guide mechanisms are arranged between the upper die plate and the lower die plate and are symmetrically separated on the two sides of the upper die base on average, a plurality of balance blocks are arranged on the upper surface and the lower surface of the blank holder frame, and the balance blocks on the upper surface and the lower, the balancing piece is equipped with the roof along the circumference evenly distributed of blank holder frame between lower bolster and the lower press board, and the lower surface of roof is connected with a plurality of lathe ejector pins, and a plurality of lathe ejector pins pass the lower press board and are connected with the cylinder on the lathe, and the upper end of roof is equipped with a plurality of second grade ejector pins, and a plurality of second grade ejector pins withstand the lower surface of blank holder frame after passing the lower bolster.

The preferred technical scheme, the lower surface of upper die base has first mounting groove, the center of the tank bottom of first mounting groove is equipped with the second mounting groove, installation direction die down in the second mounting groove, the upper end of die is connected fixedly with the tank bottom of second mounting groove, the height of die is unanimous with the degree of depth of second mounting groove, the outside that 8 die inserts all outwards extends to paste mutually with the lateral wall of first mounting groove, 8 die inserts all are connected fixedly with the tank bottom of first mounting groove.

According to the preferable technical scheme, the lower surface of the lower template is fixedly provided with the lower clamping plate, the second supporting column is located on the lower clamping plate, and the plurality of secondary ejector rods penetrate through the lower template and the lower clamping plate simultaneously and then abut against the blank holder frame.

According to the preferable technical scheme, the guide mechanism comprises an upper guide seat, the upper guide seat is installed on the upper template, a lower guide seat corresponding to the upper guide seat is arranged on the lower template, and the upper guide seat is connected with the lower guide seat through a guide column.

According to the preferable technical scheme, the upper guide seat is installed on the upper template through the upper guide seat cushion block, and the lower guide seat is installed on the lower template through the lower guide seat cushion block.

According to the preferable technical scheme, a plurality of height limiting columns are further arranged between the upper template and the lower template, the upper ends of the height limiting columns are connected with the upper template, the lower ends of the height limiting columns are connected with the lower template, and the plurality of height limiting columns are symmetrically and symmetrically arranged on two sides of the upper die base on average.

According to the preferred technical scheme, the lower template is provided with a plurality of vertically upward guide plates, the guide plates are averagely and symmetrically separated from two sides of the upper die base, openings matched with the guide plates are formed in the blank holder frame and the upper die base, and the guide plates are located in the openings.

According to the preferred technical scheme, the upper press plate is connected with the upper die plate through a plurality of strip-shaped blocks arranged at intervals.

According to the optimized technical scheme, the plurality of secondary ejector rods are uniformly distributed around the first supporting column, and the plurality of machine tool ejector rods are uniformly distributed around the first supporting column.

According to the preferable technical scheme, two groups of supporting plates are further arranged between the lower press plate and the lower template, the lower ends of the supporting plates are located on the lower press plate, the upper ends of the supporting plates support the lower template, and the two groups of supporting plates are located on two sides of the first supporting group respectively and located below the guiding mechanisms on two sides respectively.

Compared with the prior art, beneficial effect does:

the utility model discloses simple structure, convenient to use, this tensile mould divide into a plurality of parts combination with terrace die and die through optimizing tensile profile and form to the tensile mode of optimization has successfully solved product corner and has wrinkled easily, and the product is easy to split scheduling problem. The product stability is greatly improved, and the die cost is greatly reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a partial cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the upper die holder of the present invention;

FIG. 5 is a schematic view of the connection between the upper die holder and the die insert of the present invention;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a partial schematic view of the present invention;

FIG. 8 is a front view of FIG. 7;

fig. 9 is a partial schematic view of the interior of the present invention.

Reference numerals: 1. a press plate; 2. a bar-shaped block; 3. mounting a template; 4. an upper die holder; 5. a counterbalance; 6. a blank holder frame; 7. an upper guide seat cushion block; 8. an upper guide seat; 9. a height limiting column; 10. a guide post; 11. a lower guide seat; 12. a lower guide seat cushion block; 13. a lower press plate; 14. a support plate; 15. a lower template; 16. a machine tool ejector rod; 17. a lower clamping block; 18. a top plate; 19. a first support column; 20. a secondary ejector rod; 21. a guide plate; 22. a first mounting groove; 23. a female die; 24. opening the gap; 25. a female die insert; 26. a male die; 27. a blank holder; 28. a second support seat; 29. and (4) a male die cushion block.

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.

A double-material shell stretching die comprises an upper die and a lower die, wherein the upper die comprises an upper press plate 1, the upper press plate 1 is installed on a machine tool, an upper die plate 3 is arranged on the lower surface of the upper press plate 1, an upper die base 4 is arranged on the lower surface of the upper die plate 3, a downwardly-arranged female die 23 is installed on the lower surface of the upper die base 4, 8 female die inserts 25 are arranged on the lower end surface of the female die 23, and the 8 female die inserts 25 are arranged around a pit of the female die 23; the lower die comprises a lower press plate 13, the lower press plate 13 is arranged on a machine tool, a lower die plate 15 is arranged above the lower press plate 13, the lower die plate 15 is supported by a first support column 19, the first support column 19 is positioned in the center of the lower press plate 13, a second support column 28 is arranged in the center of the upper surface of the lower die plate 15, a blank holder 27 frame 6 is arranged above the lower die plate 15, a vertical through hole is formed in the center of the blank holder 27, the upper end of the second support column 28 is positioned in the through hole and matched with the through hole and can penetrate through the blank holder 27 frame 6, a male die cushion block 29 is arranged at the upper end of the second support column 28, a male die 26 is arranged on the upper surface of the male die cushion block 29, the male die 26 corresponds to a female die 23, 8 blank holders 27 are arranged on the blank holder 27 frame 6, 8 blank holders 27 correspond to 8 female die inserts 25, a plurality of guide mechanisms are arranged between the upper die plate 3 and the lower, the guide mechanisms are evenly and symmetrically separated from two sides of the upper die base 4, for example, 4 guide mechanisms are provided, 2 guide mechanisms are arranged on each side of the upper die base 4, the guide mechanisms on the two sides are respectively and symmetrically arranged in a one-to-one correspondence mode, the upper surface and the lower surface of the blank holder 27 frame 6 are respectively provided with a plurality of balance blocks 5, the balance blocks 5 on the upper surface and the lower surface are in one-to-one symmetry mode, the balance blocks 5 are uniformly distributed along the circumferential direction of the blank holder 27 frame 6, a top plate 18 is arranged between the lower die plate 15 and the lower press plate 13, a through hole vertically penetrating through the top plate 18 is arranged on the top plate 18, a first support column 19 is matched with the through hole and penetrates through the through hole, the lower surface of the top plate 18 is connected with a plurality of machine tool ejector rods 16, the plurality of machine tool ejector rods 16 are connected with a, a plurality of secondary ejector rods 20 penetrate through the lower template 15 and then abut against the lower surface of the frame 6 of the blank holder 27.

When the mold material needs to be removed after being molded, a driving mechanism on the machine tool drives the ejector rod 16 of the machine tool to push the top plate 18 upwards, so that the top plate 18 drives the secondary ejector rod 20 to move upwards to push the frame 6 of the blank holder 27 to move upwards, and the secondary ejector rod and the male mold 26 generate relative displacement in the vertical direction, and the mold material is removed from the male mold 26.

According to the preferable technical scheme, the lower surface of the upper die base 4 is provided with a first mounting groove 22, a second mounting groove is formed in the center of the groove bottom of the first mounting groove 22, a die 23 with the downward mounting direction is arranged in the second mounting groove, the upper end of the die 23 is fixedly connected with the groove bottom of the second mounting groove, the height of the die 23 is consistent with the depth of the second mounting groove, 8 die inserts 25 extend outwards to be attached to the side wall of the first mounting groove 22, and 8 die inserts 25 are fixedly connected with the groove bottom of the first mounting groove 22.

According to the preferable technical scheme, the lower clamp plate 17 is fixedly arranged on the upper surface of the lower template 15, the second supporting columns 28 are positioned on the lower clamp plate 17, and the plurality of secondary ejector rods 20 simultaneously penetrate through the lower template 15 and the lower clamp plate 17 and then abut against the blank holder 27 frame 6.

According to the preferable technical scheme, the guide mechanism comprises an upper guide seat 8, the upper guide seat 8 is installed on the upper template 3, a lower guide seat 11 corresponding to the upper guide seat 8 is arranged on the lower template 15, and the upper guide seat 8 is connected with the lower guide seat 11 through a guide column 10.

According to the preferable technical scheme, the upper guide seat 8 is installed on the upper template 3 through an upper guide seat cushion block 7, and the lower guide seat 11 is installed on the lower template 15 through a lower guide seat cushion block 12.

The preferred technical scheme still is equipped with a plurality of limit for height posts 9 between cope match-plate pattern 3 and the lower bolster 15, limit for height posts 9's upper end and cope match-plate pattern 3 are connected, limit for height posts 9's lower extreme is connected with lower bolster 15, the average symmetry of a plurality of limit for height posts 9 is separated in the both sides of cope match-plate pattern 4, for example, limit for height posts 9 has 4, each side of cope match-plate pattern 4 is equipped with 2 limit for height posts 9, the limit for height posts 9 of both sides respectively the one-to-one symmetry sets up, limit for height posts 9 is used for the closed height of restriction mould, control mould height.

The preferred technical scheme is that a plurality of vertical upward guide plates 21 are arranged on the lower template 15, the guide plates 21 are averagely and symmetrically separated from two sides of the upper die base 4, for example, the guide plates 21 are 4, each side of the upper die base 4 is provided with 2 guide plates 21, the guide plates 21 on two sides are respectively symmetrically arranged in a one-to-one correspondence manner, notches 24 matched with the guide plates 21 are formed in the blank holder 27 frame 6 and the upper die base 4, the guide plates 21 are located in the notches 24, and the guide plates 21 are used for guiding the blank holder 27 frame 6 and vertically closing the dies.

According to the preferred technical scheme, the upper press plate is connected with the upper die plate 3 through a plurality of strip-shaped blocks 2 arranged at intervals.

According to the preferred technical scheme, a plurality of secondary ejector rods 20 are uniformly distributed around the first support column 19, and a plurality of machine tool ejector rods 16 are uniformly distributed around the first support column 19.

According to the preferable technical scheme, two groups of supporting plates 14 are further arranged between the lower press plate 13 and the lower die plate 15, the lower ends of the supporting plates 14 are located on the lower press plate 13, the upper ends of the supporting plates 14 support the lower die plate 15, and the two groups of supporting plates 14 are located on two sides of the first supporting group respectively and located below the guiding mechanisms on the two sides respectively.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims (10)

1. The double-material shell stretching die is characterized by comprising an upper die and a lower die, wherein the upper die comprises an upper press plate, the lower surface of the upper press plate is provided with an upper die plate, the lower surface of the upper die plate is provided with an upper die holder, a concave die arranged downwards is arranged on the lower surface of the upper die holder, the lower end surface of the concave die is provided with 8 concave die inserts, and the 8 concave die inserts are arranged around a concave pit of the concave die; the lower die comprises a lower press plate, a lower die plate is arranged above the lower press plate and supported by a first support column, the first support column is positioned in the center of the lower press plate, a second support column is arranged in the center of the upper surface of the lower die plate, a blank holder frame is arranged above the lower die plate, a vertical through hole is formed in the center of the blank holder frame, the upper end of the second support column is positioned in the through hole and matched with the through hole, a male die is mounted at the upper end of the second support column and corresponds to the female die, 8 blank holders are arranged on the blank holder frame and surround the male die, 8 blank holders correspond to 8 female die inserts, a plurality of guide mechanisms are arranged between the upper die plate and the lower die plate and are symmetrically separated on the two sides of the upper die base on average, a plurality of balance blocks are arranged on the upper surface and the lower surface of the blank holder frame, and the balance blocks on the upper surface and the lower, the balancing piece is equipped with the roof along the circumference evenly distributed of blank holder frame between lower bolster and the lower press board, and the lower surface of roof is connected with a plurality of lathe ejector pins, and a plurality of lathe ejector pins pass the lower press board and are connected with the cylinder on the lathe, and the upper end of roof is equipped with a plurality of second grade ejector pins, and a plurality of second grade ejector pins withstand the lower surface of blank holder frame after passing the lower bolster.

2. The two-material shell drawing die as claimed in claim 1, wherein the lower surface of the upper die base is provided with a first mounting groove, a second mounting groove is formed in the center of the bottom of the first mounting groove, a die with a downward direction is mounted in the second mounting groove, the upper end of the die is fixedly connected with the bottom of the second mounting groove, the height of the die is consistent with the depth of the second mounting groove, 8 die inserts extend outwards to be attached to the side wall of the first mounting groove, and 8 die inserts are fixedly connected with the bottom of the first mounting groove.

3. The double-material shell stretching die of claim 1, wherein a lower clamping plate is fixedly arranged on the upper surface of the lower template, the second supporting columns are positioned on the lower clamping plate, and the secondary ejector rods simultaneously penetrate through the lower template and the lower clamping plate and then abut against the blank holder frame.

4. The double-material shell stretching die of claim 1, wherein the guide mechanism comprises an upper guide seat, the upper guide seat is mounted on the upper die plate, a lower guide seat corresponding to the upper guide seat is arranged on the lower die plate, and the upper guide seat is connected with the lower guide seat through guide columns.

5. The twin shell drawing die of claim 4 wherein the upper guide shoe is mounted to the upper platen by an upper guide shoe and the lower guide shoe is mounted to the lower platen by a lower guide shoe.

6. The double-material shell stretching die of claim 1, wherein a plurality of height limiting columns are further arranged between the upper die plate and the lower die plate, the upper ends of the height limiting columns are connected with the upper die plate, the lower ends of the height limiting columns are connected with the lower die plate, and the height limiting columns are evenly and symmetrically distributed on two sides of the upper die base.

7. The two-material shell drawing die of claim 1, wherein the lower die plate is provided with a plurality of guide plates which are vertically upward, the plurality of guide plates are evenly and symmetrically separated from two sides of the upper die base, the edge holder frame and the upper die base are provided with notches matched with the guide plates, and the guide plates are positioned in the notches.

8. The twin shell drawing die of claim 1 wherein the upper press plate is connected to the upper die plate by a plurality of spaced apart bar blocks.

9. The twin shell drawing die of claim 1 wherein the plurality of secondary rams are evenly distributed about the first support post and the plurality of machine tool rams are evenly distributed about the first support post.

10. The twin shell drawing die of claim 1, wherein two sets of support plates are further disposed between the lower press plate and the lower die plate, the lower ends of the support plates are located on the lower press plate, the upper ends of the support plates are against the lower die plate, and the two sets of support plates are respectively located on two sides of the first support set and respectively located below the guide mechanisms on the two sides.

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