Blanking and drawing die with double sliding blocks

Abstract

The utility model relates to the technical field of blanking and drawing dies, and discloses a double-slider blanking and drawing die which comprises a lower die holder, a lower knife edge holder is fixedly connected to the upper surface of the lower die holder, a stripper plate is mounted on the upper surface of the lower knife edge holder, a concave die is arranged in the lower knife edge holder, a lower knife edge is mounted on the inner wall of the lower knife edge holder, and the lower knife edge is fixedly connected with the lower knife edge holder. A first guide column is fixedly connected to the upper surface of the lower die base, a guide sleeve is slidably connected to the surface of the first guide column, an upper die base is fixedly connected to the top of the guide sleeve, and an inner sliding block guide sleeve is fixedly connected to the inner wall of the upper die base. The discharging plate and the lower knife edge are taken down through the dismounting bolt, the concave film can be taken down easily due to the fact that the concave film is not extruded and limited by the lower knife edge, and therefore the damaged concave film can be replaced conveniently in the follow-up process, different concave films can be replaced conveniently according to requirements, the flexibility and practicability in the using process are improved, and the using cost is reduced. And the subsequent maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to blanking stretch die technical field especially relates to a double sliding block blanking stretch die. BACKGROUND

[0002] Blanking stretch die is a kind of cold stamping die commonly used in metal processing field, it can complete the cutting (blanking) and plastic deformation (stretching) of material in the same stamping process, and the design and manufacture of this kind of die are crucial to improve production efficiency, reduce cost and ensure product quality.

[0003] The existing some blanking stretch die cavity die adopts integrally formed in the upper end of lower die holder, and the integrally formed cavity die is closely combined with the lower die holder, once the cavity die wears or is damaged, the cavity die needs to be replaced, which not only increases the maintenance cost, but also prolongs the maintenance time of die, and affects production efficiency. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a double sliding block blanking stretch die.

[0005] The utility model adopts the following technical scheme: a double sliding block blanking stretch die, including lower die holder, the upper surface of lower die holder is fixedly connected with lower knife edge seat, the upper surface of lower knife edge seat is installed with unloading plate, the inside of lower knife edge seat is provided with concave membrane, the inner wall of lower knife edge seat is installed with lower knife edge, the upper surface of lower die holder is fixedly connected with first guide pillar, the surface of first guide pillar is slidably connected with guide sleeve, the top of guide sleeve is fixedly connected with upper die holder, the inner wall of upper die holder is fixedly connected with inner sliding block guide sleeve, the inner wall of inner sliding block guide sleeve is slidably connected with second guide pillar, the top of second guide pillar is fixedly connected with top plate.

[0006] Through the above technical scheme, the lower knife edge seat and the lower knife edge are installed by bolts, which is convenient for subsequent disassembly, the inner wall of lower knife edge seat is provided with limiting groove, the concave membrane is limited by limiting groove, and the concave membrane is limited by lower knife edge, so that the concave membrane is replaced conveniently and quickly, and the convenience during use is improved.

[0007] As a further improvement of the above scheme, the number of first guide pillars is four, and the four first guide pillars are symmetrically distributed around the lower die holder, and the number of guide sleeves corresponds to the first guide pillars.

[0008] Through the above technical scheme, the guide sleeve slides on the inner wall of the first guide pillar, which ensures the vertical guidance of the upper die holder during operation, avoids the deviation of the die under pressure, and improves the stability and safety of the die.

[0009] As a further improvement of the above-mentioned scheme, the number of the inner sliding block guide sleeve and the second guide column is two.

[0010] Through the above technical scheme, the position of the top plate is guided by the second guide column sliding on the inner wall of the inner sliding block guide sleeve, so that the convex film pull rod moves downward stably, avoiding deviation and improving the processing quality.

[0011] As a further improvement of the above-mentioned scheme, the concave film is located at the lower end of the lower knife edge, and the lower end of the top plate is provided with a convex film pull rod.

[0012] Through the above technical scheme, the top plate is pushed downward by the external hydraulic equipment, so that the convex film pull rod moves downward, and the convex die cooperates with the concave die to stretch and form the material.

[0013] As a further improvement of the above-mentioned scheme, the upper end of the convex film pull rod is inserted with a fixing plate, and the surface of the convex film pull rod is in sliding connection with the inner wall of the upper die seat.

[0014] Through the above technical scheme, the position of the convex film pull rod is limited by the inner wall of the fixing plate.

[0015] As a further improvement of the above-mentioned scheme, the top of the convex film pull rod is in contact with the bottom of the top plate, and the top of the fixing plate is installed on the bottom of the top plate through bolts.

[0016] Through the above technical scheme, the fixing plate can be disassembled and removed by disassembling the bolts, which facilitates the replacement of the convex film pull rod and improves the convenience of subsequent maintenance.

[0017] As a further improvement of the above-mentioned scheme, the bottom of the upper die seat is fixedly connected with an upper knife edge, the inside of the upper knife edge is provided with a convex film, and the top of the convex film is fixedly connected with the bottom of the convex film pull rod.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a lower knife edge seat, a discharging plate and a lower knife edge are set up, and specifically, the discharging plate and the lower knife edge are removed by disassembling bolts, so that the concave film can be easily removed without the extrusion and limiting of the lower knife edge, thereby facilitating the replacement of the damaged concave film and the replacement of different concave films according to requirements, improving the flexibility and practicality during use, and reducing the subsequent maintenance cost.

[0020] The utility model discloses a fixing plate, a convex film pull rod and a convex die are set up, and specifically, the fixing plate is removed by disassembling bolts, and then the convex film pull rod is slid and removed, so that the convex film pull rod and the convex film can be replaced, improving the practicality during use. DRAWINGS

[0021] Figure 1 It is the whole structure schematic view of the utility model;

[0022] Figure 2 It is the whole section structure schematic view of the utility model;

[0023] Figure 3 It is the whole structure schematic view of the utility model Figure 2 It is the enlarged structure schematic view of A part in the middle;

[0024] Figure 4 It is the lower die seat structure schematic view of the utility model;

[0025] Figure 5 It is the whole side view structure schematic view of the utility model.

[0026] Main symbol explanation:

[0027] 1, lower die seat; 2, lower cutter opening seat; 3, unloading plate; 4, first guide column; 5, guide sleeve; 6, upper die seat; 7, inner sliding block guide sleeve; 8, second guide column; 9, top plate; 10, fixed plate; 11, convex membrane pull rod; 12, upper cutter opening; 13, convex membrane; 14, concave membrane; 15, lower cutter opening. Specific implementation

[0028] In the following, the utility model is further described in combination with the drawings and specific implementation, and it needs to be explained that, under the premise of not conflicting, the following described each embodiment between or each technical feature between can be arbitrarily combined to form new embodiment.

[0029] Embodiment:

[0030] Please combine Figures 1-5The double-sliding-block blanking and stretching die of the embodiment comprises a lower die seat 1, the upper surface of the lower die seat 1 is fixedly connected with a lower knife edge seat 2, the upper surface of the lower knife edge seat 2 is installed with a discharging plate 3, the inside of the lower knife edge seat 2 is provided with a concave film 14, the inner wall of the lower knife edge seat 2 is installed with a lower knife edge 15, the upper surface of the lower die seat 1 is fixedly connected with a first guide column 4, the surface of the first guide column 4 is slidably connected with a guide sleeve 5, the top of the guide sleeve 5 is fixedly connected with an upper die seat 6, the inner wall of the upper die seat 6 is fixedly connected with an inner sliding block guide sleeve 7, the inner wall of the inner sliding block guide sleeve 7 is slidably connected with a second guide column 8, the top of the second guide column 8 is fixedly connected with a top plate 9, the top plate 9 is connected with external hydraulic equipment, then the material is placed on the upper end of the discharging plate 3, the top plate 9 is pushed downward by the hydraulic equipment, the second guide column 8 slides downward on the inner wall of the inner sliding block guide sleeve 7, the vertical guidance of the upper die seat 6 in the working process is ensured, the deviation of the die under the pressure is avoided, the stability and safety of the die are improved, at the same time, the guide sleeve 5 slides downward on the inner wall of the first guide column 4, the upper die seat 6 is driven to move downward, the upper knife edge 12 moves downward and contacts the upper surface of the concave film 14, so as to cut off the material, the convex film pull rod 11 moves downward when the top plate 9 moves downward, the material is stretched and formed by the cooperation of the convex film 13 and the concave film 14, when the concave film 14 needs to be replaced subsequently, the discharging plate 3 and the lower knife edge 15 are taken down by disassembling the bolts, since there is no extrusion and limiting of the concave film 14 by the lower knife edge 15, the concave film 14 can be easily taken down, so that the damaged concave film 14 is conveniently replaced subsequently, different concave films 14 can be conveniently replaced according to the requirements, the flexibility and practicability in use are improved, and the subsequent maintenance cost is reduced.

[0031] The number of the first guide columns 4 is four, the four first guide columns 4 are symmetrically distributed with the lower die seat 1 as the center, and the number of the guide sleeves 5 corresponds to that of the first guide columns 4.

[0032] The number of the inner sliding block guide sleeves 7 and the second guide columns 8 is two.

[0033] The concave film 14 is located at the lower end of the lower knife edge 15, and the lower end of the top plate 9 is provided with the convex film pull rod 11.

[0034] The upper end of the convex film pull rod 11 is inserted with the fixed plate 10, and the surface of the convex film pull rod 11 is slidably connected with the inner wall of the upper die seat 6.

[0035] The top of the convex film pull rod 11 contacts the bottom of the top plate 9, the top of the fixed plate 10 is installed on the bottom of the top plate 9 through bolts, the fixed plate 10 is taken down by disassembling the bolts, then the convex film pull rod 11 is slidably taken down, so that the convex film pull rod 11 and the convex film 13 can be replaced, and the practicability in use is improved.

[0036] The bottom of the upper die seat 6 is fixedly connected with an upper cutting edge 12, and the inside of the upper cutting edge 12 is provided with a convex film 13, and the top of the convex film 13 is fixedly connected with the bottom of the upper convex film pull rod 11.

[0037] The implementation principle of the double-sliding-block blanking and stretching die in the embodiment of the application is as follows: in use, the top plate 9 is connected with an external hydraulic device, then the material is placed on the upper end of the discharging plate 3, the hydraulic device pushes the top plate 9 to move downward, the second guide column 8 interacts with the inner wall of the inner sliding-block guide sleeve 7 downward, the vertical guidance of the upper die seat 6 in the working process is ensured, the deviation of the die under the pressure is avoided, the stability and safety of the die are improved, at the same time, the guide sleeve 5 slides downward on the inner wall of the first guide column 4, drives the upper die seat 6 to move downward, the upper cutting edge 12 moves downward and contacts the upper surface of the concave film 14, so that the material is cut off, the top plate 9 moves downward and drives the convex film pull rod 11 to move downward, the material is stretched and formed through the cooperation of the convex film 13 and the concave film 14, when the concave film 14 needs to be replaced subsequently, the discharging plate 3 and the lower cutting edge 15 are taken down by disassembling the bolts, because there is no extrusion and limiting of the concave film 14 by the lower cutting edge 15, the concave film 14 can be easily taken down, so that the damaged concave film 14 is conveniently replaced, different concave films 14 can be conveniently replaced according to the requirements, the flexibility and practicability in use are improved, the cost of subsequent maintenance is reduced, the fixed plate 10 is taken down by disassembling the bolts, then the convex film pull rod 11 is taken down by sliding, so that the convex film pull rod 11 and the convex film 13 can be replaced, and the practicability in use is improved.

[0038] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of protection of the utility model.

Claims

1. A double slide blank drawing die characterized by, Including the lower die seat (1), the upper surface of the lower die seat (1) is fixedly connected with the lower knife mouth seat (2), the upper surface of the lower knife mouth seat (2) is installed with the discharge plate (3), the inside of the lower knife mouth seat (2) is provided with the concave membrane (14), the inner wall of the lower knife mouth seat (2) is installed with the lower knife mouth (15), the upper surface of the lower die seat (1) is fixedly connected with the first guide column (4), the surface of the first guide column (4) is slidably connected with the guide sleeve (5), the top of the guide sleeve (5) is fixedly connected with the upper die seat (6), the inner wall of the upper die seat (6) is fixedly connected with the inner slide block guide sleeve (7), the inner wall of the inner slide block guide sleeve (7) is slidably connected with the second guide column (8), the top of the second guide column (8) is fixedly connected with the top plate (9).

2. A dual slide blank draw die as in claim 1 wherein: The number of the first guide column (4) is four, and four first guide columns (4) are symmetrically distributed around the lower die seat (1), and the number of the guide sleeve (5) corresponds to the first guide column (4).

3. A dual slide blank draw die as in claim 1 wherein: The number of the inner slide block guide sleeve (7) and the second guide column (8) is two.

4. A dual slide blank draw die as in claim 1 wherein: The concave membrane (14) is located at the lower end of the lower knife mouth (15), and the lower end of the top plate (9) is provided with a convex membrane pull rod (11).

5. A dual slide blank draw die as defined in claim 4 wherein: The upper end of the convex membrane pull rod (11) is inserted with a fixed plate (10), and the surface of the convex membrane pull rod (11) is slidably connected with the inner wall of the upper die seat (6).

6. A dual slide blank draw die as defined in claim 5 wherein: The top of the convex membrane pull rod (11) is in contact with the bottom of the top plate (9), and the top of the fixed plate (10) is installed on the bottom of the top plate (9) through bolts.

7. A dual slide blank draw die as defined in claim 5 wherein: The bottom of the upper die seat (6) is fixedly connected with the upper knife mouth (12), the inside of the upper knife mouth (12) is provided with the convex membrane (13), and the top of the convex membrane (13) is fixedly connected with the bottom of the convex membrane pull rod (11).

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