Multi-specification die pressing mold and die pressing device

Abstract

The application discloses a multi-specification die pressing die and a die pressing device, which comprise a female die, a lower punch and an upper punch. At least two through forming holes are vertically arranged on the female die, and the cross-sectional shapes of all the forming holes are different. The upper end of the lower punch is slidingly arranged in the lower end opening of the forming hole and is matched with the forming hole. The lower end of the upper punch is matched with the upper end opening of the forming hole, and the upper ends of all the lower punches are located on the same plane. In the technical scheme, the holes with different shapes are arranged in the female die, and products with different shapes can be produced at one time, so that the processing efficiency can be effectively improved. When a certain part is not needed to be formed, the corresponding forming hole is directly blocked, and the corresponding lower punch and upper punch are removed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mould, in particular to a multi-specification mould pressing mould and mould pressing device. BACKGROUND

[0002] In the traditional technology, one concave die can only produce one product, although several finished products can be produced at the same time, but the shape of the product is only one kind. With the development of society, part of the products are complete sets, and the traditional processing method is to change the concave die after finishing one kind of part, and then form another kind of part, and the lower punch and the upper punch also need to be adjusted again, which seriously reduces the production efficiency. SUMMARY

[0003] The present application aims at overcoming the shortcomings of the prior art, and providing a multi-specification mould pressing mould and mould pressing device.

[0004] The purpose of the present application is achieved by the following technical solutions:

[0005] A multi-specification mould pressing mould, comprising a concave die, a lower punch and an upper punch, at least two through forming holes are vertically arranged on the concave die, and the cross-sectional shapes of all the forming holes are different, the upper end of the lower punch is slidingly arranged in the lower end opening of the forming hole and cooperates with the forming hole, the lower end of the upper punch cooperates with the upper end opening of the forming hole, and the upper ends of all the lower punches are on the same plane.

[0006] Further, a filling die cooperating with the forming hole is arranged in the forming hole.

[0007] A mould pressing device using a multi-specification mould pressing mould, comprising a lower punch fixing plate, an upper punch fixing plate, an upper punch driving member, a pushing assembly, a powder filling assembly, a mould mounting assembly and a mounting bracket, the upper end of the upper punch is detachably arranged on the upper punch fixing plate, the upper punch fixing plate is fixedly arranged on the output portion of the upper punch driving member, the fixed portion of the upper punch driving member is fixedly arranged on the upper end of the mounting bracket, the lower end of the lower punch is detachably arranged on the lower punch fixing plate, the lower punch fixing plate is fixedly arranged on the bottom of the mounting bracket, the concave die is arranged in the middle portion of the mounting bracket through the mould mounting assembly, the pushing assembly and the powder filling assembly are arranged in the middle portion of the mounting bracket and cooperate with the concave die, and the pushing assembly and the powder filling assembly cooperate with the concave die.

[0008] Further, the mold mounting assembly comprises a fixing table, a reset spring and a guide positioning block, a middle part of the fixing table is provided with a mounting hole, the female die is slidingly arranged in the mounting hole and cooperates with the mounting hole, at least three guide positioning blocks are arranged on the sidewall of the female die, all the guide positioning blocks are not arranged on the same side of the female die at the same time, a guide positioning groove cooperating with the guide positioning block is arranged on the inner wall of the mounting hole, a blind hole is arranged on the lower side of the female die, one end of the reset spring is arranged in the blind hole, the other end of the reset spring is connected with a limiting plate, and the limiting plate is fixedly arranged on the fixing table.

[0009] Further, a guide cylinder is fixedly arranged on the limiting plate, the upper end of the guide cylinder is arranged in the blind hole, and the guide cylinder is sleeved on the outside of the reset spring.

[0010] Further, the powder filling assembly comprises a powder box, a powder box pushing piece, a powder bin and a powder conveying part, the powder box is slidingly arranged on the upper surface of the fixing table and cooperates with the female die, the fixed part of the powder box pushing piece is fixedly arranged on the mounting bracket, the output shaft of the powder box pushing piece is connected with the fixed part of the powder box, the powder bin is arranged on the mounting bracket, the lower end opening of the powder bin is connected with the upper end of the powder conveying part, and the lower end of the powder conveying part cooperates with the powder box.

[0011] Further, the powder conveying part comprises a powder guide pipe, a baffle, a sliding sealing plate and a powder adding pipe, one end of the powder adding pipe is fixedly arranged on the powder box and communicates with the powder box, the length direction of the powder adding pipe is parallel to the moving direction of the powder box, the other end of the powder adding pipe is sealed, the upper end of the powder guide pipe is sealingly and fixedly communicated with the powder bin, the baffle is fixedly arranged on the lower end of the powder guide pipe and cooperates with the inner wall of the powder adding pipe, the upper side of the powder adding pipe is provided with a sliding groove, the sliding sealing plate is fixedly arranged on the lower end of the powder guide pipe and sealingly cooperates with the sliding groove, and the lower end of the powder guide pipe communicates with the powder box.

[0012] Further, the pushing assembly comprises a pressing part and a pushing part, the pressing part is fixedly arranged on the mounting bracket, and the pushing part is fixedly arranged on the pressing part.

[0013] Further, the pressing part comprises a mounting plate and a telescopic driving piece, the mounting plate is fixedly arranged on the mounting bracket, the fixed part of the telescopic driving piece is fixedly arranged on the mounting plate, and the output end of the telescopic driving piece cooperates with the female die.

[0014] Further, the pushing-out component comprises a pushing-out driving member and a pushing plate, a fixed part of the pushing-out driving member is fixedly arranged on an output part of the telescopic driving member, and the pushing plate is fixedly arranged on an output end of the pushing-out driving member, and the pushing plate is matched with the upper surface of the concave die.

[0015] The present application has the following advantages:

[0016] 1) In the present technical solution, different shaped holes are arranged in the concave die, and different shaped products can be produced at one time, which can effectively improve the processing efficiency; when a certain part is not needed to be formed, the corresponding forming hole is directly blocked, and the corresponding lower punch and upper punch are removed.

[0017] 2) In the mold mounting assembly, the guide cylinder has two functions, one is to guide the movement of the concave die, and the other is to limit the reset spring in the guide cylinder to prevent the reset spring from deforming during work. In order to prevent the upper surface of the concave die from protruding to the outside of the upper surface of the fixed table, a guide positioning block and a guide positioning groove are arranged for limiting, and the limiting plate is used to install the guide cylinder and the reset spring.

[0018] 3) In the powder filling assembly, the powder in the powder bin enters the powder adding pipe through the powder guide pipe, and the powder in the powder adding pipe is pushed into the powder box through the baffle. Since the powder box is doing reciprocating motion, the baffle pushes the powder into the powder box during the rear movement of the powder adding pipe, so as to ensure that there is always formable powder in the powder box. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a top view structure schematic diagram of the concave die;

[0020] Figure 2 It is a side view connection structure schematic diagram of the mold pressing device;

[0021] Figure 3 It is an internal connection structure schematic diagram of the mold mounting assembly;

[0022] Figure 4 It is a connection structure schematic diagram of the powder filling assembly;

[0023] Figure 5 It is a connection structure schematic diagram of the pushing material assembly;

[0024] In the figure, 1 - female die, 2 - lower punch, 3 - upper punch, 4 - forming hole, 5 - lower punch fixing plate, 6 - upper punch fixing plate, 7 - upper punch driving piece, 8 - mounting bracket, 9 - fixing table, 10 - return spring, 11 - guide positioning block, 12 - guide positioning groove, 13 - blind hole, 14 - limiting plate, 15 - guide cylinder, 16 - powder box, 17 - powder box pushing piece, 18 - powder bin, 19 - powder guide tube, 20 - baffle, 21 - sliding sealing plate, 22 - powder adding tube, 23 - sliding groove, 24 - mounting plate, 25 - telescopic driving piece, 26 - pushing driving piece, 27 - push plate. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Reference Figures 1-5 The present application provides a technical solution:

[0027] A multi-specification die pressing die comprises a female die 1, a lower punch 2 and an upper punch 3, at least two through forming holes 4 are vertically arranged on the female die 1, and the cross-sectional shapes of all the forming holes 4 are different, the upper end of the lower punch 2 is slidingly arranged in the lower end opening of the forming hole 4 and cooperates with the forming hole 4, the lower end of the upper punch 3 cooperates with the upper end opening of the forming hole 4, and the upper ends of all the lower punches 2 are on the same plane. A filling die cooperating with the forming hole 4 is arranged in the forming hole 4, and the upper surface of the filling die is flush with the upper surface of the female die 1. Among them, the cross section of the forming hole 4 is circular, square, prismatic, oval and star-shaped, etc. A plurality of forming holes 4 can be arranged on each female die 1, when the forming hole 4 is not needed, the forming hole 4 is blocked by the filling die, the upper surface of the filling die is flush with the upper surface of the female die 1, and the corresponding lower punch 2 and upper punch 3 need to be removed. At the same time, when forming various parts, the upper ends of all the lower punches 2 are on the same plane, which is convenient for subsequent unloading.

[0028] A kind of moulding device, using a kind of multi-specification moulding die, including lower punch fixed plate 5, upper punch fixed plate 6, upper punch driving element 7, push material component, powder filling component, mould mounting assembly and mounting support 8, the upper end of upper punch 3 is detachably arranged on upper punch fixed plate 6, upper punch fixed plate 6 is fixedly arranged on the output portion of upper punch driving element 7, the fixed portion of upper punch driving element 7 is fixedly arranged on the upper end of mounting support 8, the lower end of lower punch 2 is detachably arranged on lower punch fixed plate 5, lower punch fixed plate 5 is fixedly arranged on the bottom of mounting support 8, concave die 1 is arranged in the middle portion of mounting support 8 by mould mounting assembly, push material component and powder filling component are arranged in the middle portion of mounting support 8 and cooperate with concave die 1, and push material component and powder filling component are cooperated with concave die 1.Wherein, mounting support 8 is used to install lower punch fixed plate 5, upper punch fixed plate 6, upper punch driving element 7, push material component, powder filling component and mould mounting assembly, lower punch fixed plate 5 is used to fix lower punch 2, upper punch fixed plate 6 is used to fix upper punch 3, upper punch driving element 7 is prior art hydraulic equipment, under the action of upper punch driving element 7, upper punch fixed plate 6 realizes up and down movement in vertical direction, and it will not rotate in the movement process.The function of powder filling component is to realize the function of filling powder for concave die 1, and the formed parts on concave die 1 are pushed out in the process of filling powder, the function of push material component is to push the formed parts in the forming hole 4 of concave die 1 to the upper surface of concave die 1, the function of mould mounting assembly realizes the up and down movement of concave die 1, and it is convenient to push out the formed parts.

[0029] In some embodiments, the mold mounting assembly comprises a fixed table 9, a reset spring 10 and a guide positioning block 11, the middle part of the fixed table 9 is provided with a mounting hole, the concave die 1 is slidingly arranged in the mounting hole and cooperates with the mounting hole, at least three guide positioning blocks 11 are arranged on the side wall of the concave die 1, all the guide positioning blocks 11 are not arranged on the same side of the concave die 1 at the same time, a guide positioning groove 12 cooperating with the guide positioning block 11 is arranged on the inner wall of the mounting hole, a blind hole 13 is arranged on the lower side of the concave die 1, one end of the reset spring 10 is arranged in the blind hole 13, the other end of the reset spring 10 is connected with a limiting plate 14, and the limiting plate 14 is fixedly arranged on the fixed table 9. The limiting plate 14 is fixedly provided with a guide cylinder 15, the upper end of the guide cylinder 15 is arranged in the blind hole 13, and the guide cylinder 15 is sleeved on the outer side of the reset spring 10. In the technical solution, the fixed table 9 and the lower punch 2 are fixed, after the powder is made into a molded part, the concave die 1 moves vertically downward in the mounting hole, so that the molded part in the molding hole 4 is ejected to the upper side of the molding hole 4 through the lower punch 2, and during the ejection process, the upper surface of the lower punch 2 is flush with the upper surface of the concave die 1 when the upper surface is at the highest, after the telescopic driving part 25 is retracted, the concave die 1 returns to the initial state under the action of the reset spring 10, and the upper surface of the concave die 1 in the initial state is flush with the upper surface of the fixed table 9. The outer wall of the guide cylinder 15 cooperates with the inner wall of the blind hole 13, the guide cylinder 15 has two functions, one is to guide the movement of the concave die 1, and the other is to limit the reset spring 10 in the guide cylinder 15 to prevent the reset spring 10 from deforming during work. The reset spring 10 is provided with at least two groups, so that the reset spring 10 cannot work normally after failure, in the technology, the upper end of the mounting hole is smaller and the lower end is larger, the upper and lower ends of the concave die 1 are the same, in order to prevent the upper surface of the concave die 1 from protruding to the outside of the upper surface of the fixed table 9, the guide positioning block 11 and the guide positioning groove 12 are arranged for limiting, under the cooperation of the guide positioning block 11 and the guide positioning groove 12, the concave die 1 moves to the limit position of the upper end, and the upper surface of the concave die 1 is flush with the upper surface of the fixed table 9. The concave die 1 can only move up and down under the action of the guide positioning block 11 and the guide positioning groove 12. The limiting plate 14 is used to mount the guide cylinder 15 and the reset spring 10.

[0030] In some embodiments, the powder filling assembly includes a powder box 16, a powder box pusher 17, a powder hopper 18, and a powder transport component. The powder box 16 is slidably disposed on the upper surface of the fixed platform 9 and engages with the die 1. The fixed part of the powder box pusher 17 is fixedly disposed on the mounting bracket 8. The output shaft of the powder box pusher 17 is fixedly connected to the powder box 16. The mounting bracket 8 is provided with a powder hopper 18. The lower opening of the powder hopper 18 is connected to the upper end of the powder transport component. The lower end of the powder transport component engages with the powder box 16. The powder transport component includes a powder guide tube 19, a baffle 20, a sliding sealing plate 21, and a powder feeding tube 22. One end of the powder feeding tube 22 is fixedly mounted on and connected to the powder box 16. The length direction of the powder feeding tube 22 is parallel to the moving direction of the powder box 16. The other end of the powder feeding tube 22 is sealed. The upper end of the powder guide tube 19 is sealed and fixedly connected to the powder hopper 18. The baffle 20 is fixedly mounted on the lower end of the powder guide tube 19 and cooperates with the inner wall of the powder feeding tube 22. A sliding groove 23 is provided on the upper side of the powder feeding tube 22. The sliding sealing plate 21 is fixedly mounted on the lower end of the powder guide tube 19 and is sealed and cooperates with the sliding groove 23. The lower end of the powder guide tube 19 is connected to the powder box 16. The powder box 16 contains the powder required for molding parts, as per existing technology. The powder box pusher 17 is a hydraulic or pneumatic cylinder, as per existing technology. The powder box pusher 17 drives the powder box 16 to slide on the upper surfaces of the fixed platform 9 and the die 1, and adds the powder from the powder box 16 into the molding hole 4 in the die 1. Simultaneously, the front end of the powder box 16 pushes the molding parts on the upper surface of the die 1 onto the fixed platform 9. Due to the limited volume of the powder box 16, a large amount of powder is placed in the powder hopper 18. The powder in the powder hopper 18 enters the powder feeding pipe 22 through the powder guide pipe 19. The powder in the powder feeding pipe 22 is pushed into the powder box 16 by the baffle 20. As the powder box 16 reciprocates, the baffle 20 pushes the powder into the powder box 16 during the backward movement of the powder feeding pipe 22, thereby ensuring that there is always molding powder in the powder box 16. To prevent interference between the powder feeding tube 22 and the powder guiding tube 19 during movement, a through sliding groove 23 is provided on the upper side of the powder feeding tube 22. The sliding sealing plate 21 is fixedly installed on the powder guiding tube 19 and is sealed to the sliding groove 23. The lower end opening of the powder guiding tube 19 faces the powder box 16. Under the action of the baffle 20, the powder will not enter the other end of the powder feeding tube 22. The baffle 20 is sealed to the inner wall of the powder feeding tube 22.

[0031] In some embodiments, the pushing assembly comprises a pressing component and a pushing component, the pressing component is fixedly arranged on the mounting bracket 8, and the pushing component is fixedly arranged on the pressing component. The pressing component comprises a mounting plate 24 and a telescopic driving piece 25, the mounting plate 24 is fixedly arranged on the mounting bracket 8, and the fixed part of the telescopic driving piece 25 is fixedly arranged on the mounting plate 24, and the output end of the telescopic driving piece 25 is matched with the concave die 1. The pushing component comprises a pushing driving piece 26 and a pushing plate 27, the fixed part of the pushing driving piece 26 is fixedly arranged on the output part of the telescopic driving piece 25, and the pushing plate 27 is fixedly arranged on the output end of the pushing driving piece 26 and matched with the upper surface of the concave die 1. Wherein, the telescopic driving piece 25 and the pushing driving piece 26 are both pneumatic cylinders or hydraulic cylinders in the prior art, two telescopic driving pieces 25 are symmetrically arranged on the lower side of the mounting plate 24, the telescopic driving pieces 25 are vertically arranged and can only move up and down, the lower ends of the piston rods of the telescopic driving pieces 25 simultaneously act on the upper surface of the concave die 1, so that the concave die 1 moves downward in the vertical direction, while the lower punch 2 is stationary, so that the molded part in the molded hole 4 is exposed to the upper surface of the concave die 1, at this time, the pushing driving piece 26 drives the pushing plate 27 to move, so as to push the molded part to the upper surface of the concave die 1, then the telescopic driving piece 25 is retracted, the concave die 1 is moved upward under the action of the reset spring 10, when the upper surface of the concave die 1 is flush with the upper surface of the fixed table 9, the powder box 16 pushes the molded part to the upper surface of the fixed table 9. One pushing driving piece 26 is fixedly arranged on the piston rod of each telescopic driving piece 25, and the two ends of the pushing plate 27 are respectively connected with the end parts of the piston rods of the two pushing driving pieces 26, when the lower end of the telescopic driving piece 25 contacts the concave die 1, the pushing plate 27 will not contact the concave die 1 at all. The middle part of the mounting plate 24 is provided with a through hole matched with the upper punch 3.

[0032] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In this application, unless otherwise clearly indicated and limited, the terms "mounting", "setting", "connecting", "fixing", "screwing" and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise clearly limited, the above terms in this application can be understood according to the specific meaning of the above terms in this application by those skilled in the art.

[0034] The above description is only the preferred embodiment of the present application, it should be understood that the present application is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein, by the above teaching or related art or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A molding apparatus characterized by comprising: The utility model provides a mould assembly and a mould installation assembly, and the mould assembly comprises a concave die (1), a lower punch (2) and an upper punch (3), a lower punch fixing plate (5), an upper punch fixing plate (6), an upper punch driving part (7), a material pushing assembly, a powder filling assembly, a mould installation assembly and a mounting support (8), at least two through forming holes (4) are vertically arranged on the concave die (1), the cross-sectional shapes of all the forming holes (4) are different, the upper end of the lower punch (2) is slidably arranged in the lower end opening of the forming hole (4) and cooperates with the forming hole (4), the lower end of the upper punch (3) cooperates with the upper end opening of the forming hole (4), the upper end of the upper punch (3) is detachably arranged on the upper punch fixing plate (6), the upper punch fixing plate (6) is fixedly arranged on the output part of the upper punch driving part (7), the fixed part of the upper punch driving part (7) is fixedly arranged on the upper end of the mounting support (8), the lower end of the lower punch (2) is detachably arranged on the lower punch fixing plate (5), the lower punch fixing plate (5) is fixedly arranged on the bottom of the mounting support (8), the concave die (1) is arranged in the middle part of the mounting support (8) through the mould installation assembly, the material pushing assembly and the powder filling assembly are arranged in the middle part of the mounting support (8) and cooperate with the concave die (1), and the material pushing assembly and the powder filling assembly cooperate with the concave die (1); The mould installation assembly comprises a fixed table (9), a reset spring (10) and a guide positioning block (11), the middle part of the fixed table (9) is provided with a mounting hole, the concave die (1) is slidably arranged in the mounting hole and cooperates with the mounting hole, at least three guide positioning blocks (11) are arranged on the side wall of the concave die (1), all the guide positioning blocks (11) are not arranged on the same side of the concave die (1) at the same time, the inner wall of the mounting hole is provided with a guide positioning groove (12) cooperating with the guide positioning block (11), the lower side of the concave die (1) is provided with a blind hole (13), one end of the reset spring (10) is arranged in the blind hole (13), the other end of the reset spring (10) is connected with a limiting plate (14), and the limiting plate (14) is fixedly arranged on the fixed table (9); The powder filling assembly comprises a powder box (16), a powder box pushing part (17), a powder bin (18) and a powder conveying part, the powder box (16) is slidably arranged on the upper surface of the fixed table (9) and cooperates with the concave die (1), the fixed part of the powder box pushing part (17) is fixedly arranged on the mounting support (8), the output shaft of the powder box pushing part (17) is fixedly connected with the powder box (16), the mounting support (8) is provided with the powder bin (18), the lower end opening of the powder bin (18) is connected with the upper end of the powder conveying part, the lower end of the powder conveying part cooperates with the powder box (16), and the powder box pushing part (17) is a hydraulic cylinder or an air cylinder; The powder conveying component comprises a powder guide pipe (19), a baffle (20), a sliding sealing plate (21) and a powder adding pipe (22), one end of the powder adding pipe (22) is fixedly arranged on the powder box (16) and communicates with the powder box (16), the length direction of the powder adding pipe (22) is parallel to the moving direction of the powder box (16), the other end of the powder adding pipe (22) is sealed, the upper end of the powder guide pipe (19) is sealingly and fixedly communicated with the powder bin (18), the baffle (20) is fixedly arranged on the lower end of the powder guide pipe (19) and cooperates with the inner wall of the powder adding pipe (22), the upper side of the powder adding pipe (22) is provided with a sliding groove (23), the sliding sealing plate (21) is fixedly arranged on the lower end of the powder guide pipe (19) and sealingly cooperates with the sliding groove (23), and the lower end of the powder guide pipe (19) communicates with the powder box (16).

2. A moulding apparatus according to claim 1, wherein: The forming hole (4) is provided with a filling die matched with the forming hole (4), and the upper surface of the filling die is flush with the upper surface of the female die (1).

3. A moulding apparatus according to claim 1 or 2, wherein: The limiting plate (14) is fixedly provided with a guide cylinder (15), the upper end of the guide cylinder (15) is arranged in the blind hole (13), and the guide cylinder (15) is sleeved outside the reset spring (10).

4. A moulding apparatus according to claim 1 or 2, wherein: The pushing assembly comprises a pressing component and a pushing component, the pressing component is fixedly arranged on the mounting bracket (8), and the pushing component is fixedly arranged on the pressing component.

5. A moulding apparatus according to claim 4, wherein: The pressing component comprises a mounting plate (24) and a telescopic driving piece (25), the mounting plate (24) is fixedly arranged on the mounting bracket (8), the fixed portion of the telescopic driving piece (25) is fixedly arranged on the mounting plate (24), and the output end of the telescopic driving piece (25) cooperates with the female die (1).

6. A moulding apparatus according to claim 5, wherein: The pushing component comprises a pushing driving piece (26) and a pushing plate (27), the fixed portion of the pushing driving piece (26) is fixedly arranged on the output portion of the telescopic driving piece (25), the pushing plate (27) is fixedly arranged on the output end of the pushing driving piece (26), and the upper surface of the pushing plate (27) which cooperates with the female die (1) cooperates.

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