CN219838238U

CN219838238U - Multi-specification mould pressing die and mould pressing device

Info

Publication number: CN219838238U
Application number: CN202321137577.8U
Authority: CN
Inventors: 刘洋; 赵振刚; 骆银福; 李俊怀; 余海琳
Original assignee: Chengdu Hongbo Industrial Co ltd
Current assignee: Chengdu Hongbo Industrial Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-17
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a multi-specification molding die and a molding device, wherein the multi-specification molding die comprises a female die, an undershoot and an upper punch, at least two penetrating molding holes are vertically arranged on the female die, the cross section shapes of all the molding holes are different, the upper ends of the undershoot are slidably arranged in the lower end openings of the molding holes and are matched with the molding holes, the lower ends of the upper punches are matched with the upper end openings of the molding holes, and the upper ends of all the undershoot are positioned on the same plane. In the technical scheme, the female die is provided with the holes with different shapes, so that products with different shapes can be produced at one time, the processing efficiency can be effectively improved, when a certain part is not required to be molded, the corresponding molding holes are directly blocked, and the corresponding undershoot and the undershoot are dismounted.

Description

Multi-specification mould pressing die and mould pressing device

Technical Field

The utility model relates to the technical field of dies, in particular to a multi-specification die pressing die and a die pressing device.

Background

In the conventional art, only one product can be produced by one female die, and although several finished products can be produced at the same time, the shape of the product is only one. With the development of society, partial products are in complete sets, the traditional processing mode is that after one part is made, a female die is replaced, then another part is formed, and meanwhile, the undershoot and the undershoot are required to be adjusted again, so that the production efficiency is seriously reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a multi-specification die pressing die and a die pressing device.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a many specifications mould pressing mould, includes die, undershoot and upper punch, vertical being provided with at least two shaping holes that run through on the die, and all the cross-sectional shape of shaping hole is different, the upper end of undershoot slide the setting in the lower extreme opening of shaping hole and with the shaping hole cooperation, the lower extreme of upper punch with the upper end opening cooperation of shaping hole, and all the upper end of undershoot is in on the coplanar.

Further, a filling die matched with the forming hole is arranged in the forming hole.

The utility model provides a mould pressing device uses a multi-specification mould pressing mould, includes down dashing fixed plate, upper punch driving piece, pushing component, powder filling component, mould installation component and installing support, the upper end of upper punch can be dismantled and set up on the upper punch fixed plate, the fixed setting of upper punch fixed plate is in on the output of upper punch driving piece, the fixed part of upper punch driving piece is fixed to be set up the upper end of installing support, the lower extreme of lower punch can be dismantled and set up on the lower punch fixed plate, the fixed setting of lower punch fixed plate is in on the bottom of installing support, the die passes through the mould installation component sets up the middle part of installing support, pushing component with powder filling component all sets up the middle part of installing support and with the die cooperation, just pushing component with powder filling component all with the die cooperation.

Further, the die mounting assembly comprises a fixing table, a reset spring and a guide positioning block, wherein a mounting hole is formed in the middle of the fixing table, the female die is slidably arranged in the mounting hole and matched with the mounting hole, at least three guide positioning blocks are arranged on the side wall 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 matched with the guide positioning blocks is formed in the inner wall of the mounting hole, a blind hole is formed in 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.

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 outer side of the reset spring.

Further, the powder filling assembly comprises a powder box, a powder box pushing piece, a powder bin and a powder conveying component, wherein the powder box is arranged on the upper surface of the fixing table in a sliding mode and matched with the female die, the fixing part of the powder box pushing piece is fixedly arranged on the mounting bracket, an output shaft of the powder box pushing piece is fixedly connected with 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 component, and the lower end of the powder conveying component is matched with the powder box.

Further, the powder transportation part comprises a powder guiding 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 communicated 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 guiding pipe is fixedly communicated with the powder bin in a sealing manner, the baffle is fixedly arranged on the lower end of the powder guiding pipe and matched with the inner wall of the powder adding pipe, a sliding groove is formed in the upper side of the powder adding pipe, the sliding sealing plate is fixedly arranged on the lower end of the powder guiding pipe and matched with the sliding groove in a sealing manner, and the lower end of the powder guiding pipe is communicated with the powder box.

Further, the pushing assembly comprises a pressing component and a pushing component, the pressing component is fixedly arranged on the mounting bracket, and the pushing component is fixedly arranged on the pressing component.

Further, the pressing component comprises a mounting plate and a telescopic driving piece, the mounting plate is fixedly arranged on the mounting bracket, the fixing part of the telescopic driving piece is fixedly arranged on the mounting plate, and the output end of the telescopic driving piece is matched with the female die.

Further, the pushing-out component comprises a pushing-out driving piece and a pushing plate, the fixing part of the pushing-out driving piece is fixedly arranged on the output part of the telescopic driving piece, the pushing plate is fixedly arranged on the output end of the pushing-out driving piece, and the pushing plate is matched with the upper surface of the female die.

The beneficial effects of the utility model are as follows:

1) In the technical scheme, the female die is provided with the holes with different shapes, so that products with different shapes can be produced at one time, the processing efficiency can be effectively improved, when a certain part is not required to be molded, the corresponding molding holes are directly blocked, and the corresponding undershoot and the undershoot are dismounted.

2) In the die mounting assembly, the guide cylinder has two functions, namely, the guide cylinder plays a guide role in moving the female die, the reset spring is limited in the guide cylinder, the reset spring is prevented from deforming in the working process, in order to prevent the upper surface of the female die from protruding to the outer side of the upper surface of the fixed table, the guide positioning block and the guide positioning groove are arranged for limiting, and the limiting plate is used for mounting the guide cylinder and the reset spring.

3) In the powder filling assembly, powder in the powder bin enters the powder adding pipe through the powder guiding pipe, and the powder in the powder adding pipe is pushed into the powder box through the baffle plate.

Drawings

FIG. 1 is a schematic top view of a female die;

FIG. 2 is a schematic side view of a molding apparatus;

FIG. 3 is a schematic view of the internal connection structure of the mold mounting assembly;

FIG. 4 is a schematic diagram of a connection structure of the powder filling assembly;

FIG. 5 is a schematic diagram of a connection structure of the pushing assembly;

in the figure, 1-female die, 2-undershoot, 3-upshoot, 4-forming hole, 5-undershoot fixed plate, 6-overshoot fixed plate, 7-overshoot driving piece, 8-installing support, 9-fixed table, 10-reset spring, 11-guiding positioning block, 12-guiding positioning groove, 13-blind hole, 14-limiting plate, 15-guiding cylinder, 16-powder box, 17-powder box pushing piece, 18-powder bin, 19-powder guiding tube, 20-baffle plate, 21-sliding sealing plate, 22-powder adding tube, 23-sliding groove, 24-installing plate, 25-telescopic driving piece, 26-push driving piece and 27-push plate.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

the utility model provides a many specifications mould pressing die, includes die 1, undershoot 2 and upper punch 3, is provided with two at least shaping holes 4 that run through on the die 1 vertically, and the cross-sectional shape of all shaping holes 4 is different, and the upper end of undershoot 2 slides and sets up in the lower extreme opening of shaping hole 4 and cooperates with shaping hole 4, the lower extreme of upper punch 3 cooperates with the upper end opening of shaping hole 4, and the upper end of all undershoots 2 is in on the coplanar. The forming hole 4 is internally 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. The cross section of the molding hole 4 is circular, square, prismatic, elliptic, star-shaped, etc. Each female die 1 can be provided with a plurality of forming holes 4, when the forming holes 4 are not needed, the forming holes 4 are blocked by a 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 are required to be detached. When various parts are formed simultaneously, the upper ends of all undershoots 2 are positioned on the same plane, so that the subsequent unloading is convenient.

The utility model provides a molding press, use a multi-specification mold pressing, including lower punch fixed plate 5, upper punch fixed plate 6, upper punch driving piece 7, push away the material subassembly, fill out the powder subassembly, mould installation component and installing support 8, the upper end of upper punch 3 can be dismantled and set up on upper punch fixed plate 6, upper punch fixed plate 6 is fixed to be set up on the output of upper punch driving piece 7, the fixed part of upper punch driving piece 7 is fixed to be set up on the upper end of installing support 8, the lower extreme of lower punch 2 can be dismantled and set up on lower punch fixed plate 5, lower punch fixed plate 5 is fixed to be set up on the bottom of installing support 8, die 1 passes through the mould installation component and sets up at the middle part of installing support 8, push away the material subassembly and fill out the powder subassembly and all set up at the middle part of installing support 8 and cooperate with die 1, and push away the material subassembly and fill out the powder subassembly and all cooperate with die 1. Wherein, installing support 8 is used for installing undershoot fixed plate 5, upper punch fixed plate 6, upper punch driving piece 7, pushing components, filling components and mould installation component, and undershoot fixed plate 5 is used for fixed undershoot 2, and upper punch fixed plate 6 is used for fixed upper punch 3, and upper punch driving piece 7 is prior art hydraulic equipment, and under the effect of upper punch driving piece 7, upper punch fixed plate 6 realizes reciprocating in vertical direction, can not rotate in the removal process. The function of filling powder for die 1 is realized to fill the function of powder, pushes away the shaping part on die 1 at the in-process of filling powder, and the effect of pushing away the material subassembly is with the shaping part in die 1 shaping hole 4 push up on the upper surface of die 1, and die 1 reciprocates, conveniently pushes up the shaping part to come out of the effect of mould installation component.

In some embodiments, the die mounting assembly comprises a fixing table 9, a reset spring 10 and a guide positioning block 11, wherein a mounting hole is formed in the middle of the fixing table 9, the female die 1 is slidably arranged in the mounting hole and matched with the mounting hole, at least three guide positioning blocks 11 are arranged on the side wall of the female die 1, all the guide positioning blocks 11 are not arranged on the same side of the female die 1 at the same time, a guide positioning groove 12 matched with the guide positioning blocks 11 is formed in the inner wall of the mounting hole, a blind hole 13 is formed in the lower side of the female 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 fixing 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. Wherein, in this technical scheme, fixed station 9 and undershoot 2 are motionless, make the shaping part with powder after, die 1 is vertical down to remove in the mounting hole to ejecting the shaping part in the shaping hole 4 to the upside of shaping hole 4 through undershoot 2, during the ejecting process, the upper surface of undershoot 2 when being highest with the upper surface parallel and level of die 1, flexible driving piece 25 shrink back, die 1 returns to initial condition under reset spring 10's effect, the upper plane of die 1 under the initial condition is parallel and level with the upper plane of fixed station 9. The outer wall of the guide cylinder 15 is matched with the inner wall of the blind hole 13, the guide cylinder 15 has two functions, firstly, the guide cylinder 15 plays a guide role in moving the female die 1, secondly, the reset spring 10 is limited in the guide cylinder 15, the reset spring 10 is prevented from deforming in the working process, at least two groups of reset springs 10 are arranged, the reset spring 10 is prevented from failing and cannot be normally produced, in the technology, the upper end of the mounting hole is small, the lower end is large, the upper end and the lower end of the female die 1 are identical, in order to prevent the upper surface of the female die 1 from protruding to the outer side of the upper surface of the fixed table 9, the guide positioning block 11 and the guide positioning groove 12 are arranged for limiting, and under the cooperation of the guide positioning block 11 and the guide positioning groove 12, the limit position of the female die 1 moving to the upper end is that the upper surface of the female die 1 is flush with the upper surface of the fixed table 9. The female 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 for installing the guide cylinder 15 and the return spring 10.

In some embodiments, the powder filling assembly comprises a powder box 16, a powder box pushing member 17, a powder bin 18 and a powder transporting component, wherein the powder box 16 is slidably arranged on the upper surface of the fixing table 9 and matched with the female die 1, the fixing part of the powder box pushing member 17 is fixedly arranged on the mounting bracket 8, an output shaft of the powder box pushing member 17 is fixedly connected with the powder box 16, the powder bin 18 is arranged on the mounting bracket 8, the lower end opening of the powder bin 18 is connected with the upper end of the powder transporting component, and the lower end of the powder transporting component is matched with the powder box 16. The powder transportation part comprises a powder guide tube 19, a baffle 20, a sliding sealing plate 21 and a powder adding tube 22, wherein one end of the powder adding tube 22 is fixedly arranged on the powder box 16 and communicated with the powder box 16, the length direction of the powder adding tube 22 is parallel to the moving direction of the powder box 16, the other end of the powder adding tube 22 is sealed, the upper end of the powder guide tube 19 is fixedly communicated with the powder bin 18 in a sealing manner, the baffle 20 is fixedly arranged on the lower end of the powder guide tube 19 and matched with the inner wall of the powder adding tube 22, a sliding groove 23 is formed in the upper side of the powder adding tube 22, the sliding sealing plate 21 is fixedly arranged on the lower end of the powder guide tube 19 and matched with the sliding groove 23 in a sealing manner, and the lower end of the powder guide tube 19 is communicated with the powder box 16. Wherein, the powder box 16 is the powder that the prior art just needs to be equipped with the shaping part, and the powder box pushing member 17 is pneumatic cylinder or pneumatic cylinder in prior art, and powder box pushing member 17 drives powder box 16 and slides on the upper surface of fixed station 9 and die 1 to add the powder in the powder box 16 into shaping hole 4 in die 1, the front end of powder box 16 pushes the shaping part on the upper surface of die 1 to fixed station 9 simultaneously. Because the volume in the powder box 16 is limited, a large amount of powder is placed in the powder bin 18, the powder in the powder bin 18 enters the powder adding pipe 22 through the powder guiding pipe 19, the powder in the powder adding pipe 22 is pushed into the powder box 16 through the baffle 20, and the baffle 20 pushes the powder into the powder box 16 in the process of moving the powder box 16 backwards due to the reciprocating motion of the powder box 16, so that the formable powder in the powder box 16 is ensured all the time. In order to prevent the powder adding tube 22 from interfering with the powder guiding tube 19 during the moving process, a through sliding groove 23 is arranged on the upper side of the powder adding tube 22, a sliding sealing plate 21 is fixedly arranged on the powder guiding tube 19 in a sealing manner and is in sealing fit with the sliding groove 23, the lower end opening of the powder guiding tube 19 faces the powder box 16 side, powder cannot enter the other end of the powder adding tube 22 under the action of a baffle 20, and the baffle 20 is in sealing fit with the inner wall of the powder adding tube 22.

In some embodiments, the pushing assembly comprises a pressing member fixedly arranged on the mounting bracket 8 and a pushing member fixedly arranged on the pressing member. The pressing component comprises a mounting plate 24 and a telescopic driving piece 25, wherein the mounting plate 24 is fixedly arranged on the mounting bracket 8, the fixing 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 female die 1. The push-out part comprises a push-out driving piece 26 and a push plate 27, the fixing part of the push-out driving piece 26 is fixedly arranged on the output part of the telescopic driving piece 25, the push plate 27 is fixedly arranged on the output end of the push-out driving piece 26, and the push plate 27 is matched with the matched upper surface of the female die 1. Wherein, the telescopic driving piece 25 and the push-out driving piece 26 are pneumatic cylinders or hydraulic cylinders in the prior art, two telescopic driving pieces 25 are symmetrically installed at 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 end of a piston rod of each telescopic driving piece 25 acts on the upper surface of the female die 1 at the same time, so that the female die 1 moves downwards in the vertical direction, the undershoot 2 is not moved, the forming part in the forming hole 4 is exposed out of the upper surface of the female die 1, at the moment, the push-out driving piece 26 drives the push plate 27 to move, so that the forming part is pushed onto the upper surface of the female die 1, then the telescopic driving piece 25 contracts, the female die 1 moves up under the action of the reset spring 10, and when the upper surface of the female die 1 is flush with the upper surface of the fixed table 9, the powder box 16 pushes the forming part onto the upper surface of the fixed table 9. The piston rods of the two telescopic driving pieces 25 are fixedly provided with a push-out driving piece 26 respectively, two ends of a push plate 27 are connected with the end parts of the piston rods of the two push-out driving pieces 26 respectively, and when the lower ends of the telescopic driving pieces 25 are contacted with the female die 1, the push plate 27 is not contacted with the female die 1 all the time. The middle part of the mounting plate 24 is provided with a through hole matched with the upper punch 3.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "inner," "front," "center," "two ends," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A multi-specification mould pressing die is characterized in that: including die (1), undershoot (2) and upper punch (3), vertical being provided with at least two shaping holes (4) that run through on die (1), and all the cross-sectional shape of shaping hole (4) is different, the upper end of undershoot (2) slides and sets up in the lower extreme opening of shaping hole (4) and with shaping hole (4) cooperation, the lower extreme of upper punch (3) with the upper end opening cooperation of shaping hole (4).

2. A multi-gauge compression mold according to claim 1, wherein: and a filling die matched 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).

3. A molding apparatus using a multi-gauge molding die as claimed in claim 1 or 2, characterized in that: including undershoot fixed plate (5), upper punch fixed plate (6), upper punch driving piece (7), pushing components, powder filling components, mould installation component and installing support (8), the upper end of upper punch (3) can be dismantled and set up on upper punch fixed plate (6), upper punch fixed plate (6) is fixed to be set up on the output of upper punch driving piece (7), the fixed part of upper punch driving piece (7) is fixed to be set up the upper end of installing support (8), the lower extreme of undershoot (2) can be dismantled and set up on undershoot fixed plate (5), the fixed setting of undershoot fixed plate (5) is in on the bottom of installing support (8), die (1) are passed through the mould installation component sets up the middle part of installing support (8), push components with powder filling components all set up the middle part of installing support (8) and with die (1) cooperate, just push components with powder filling components all with die (1).

4. A molding apparatus as claimed in claim 3, wherein: the die mounting assembly comprises a fixing table (9), a reset spring (10) and a guide positioning block (11), wherein a mounting hole is formed in the middle of the fixing table (9), a female die (1) is slidably arranged in the mounting hole and matched with the mounting hole, at least three guide positioning blocks (11) are arranged on the side wall of the female die (1), all the guide positioning blocks (11) are not arranged on the same side of the female die (1) at the same time, guide positioning grooves (12) matched with the guide positioning blocks (11) are formed in the inner wall of the mounting hole, a blind hole (13) is formed in the lower side of the female 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 fixing table (9).

5. A molding apparatus as defined in claim 4, wherein: the guide cylinder (15) is fixedly arranged on the limiting plate (14), 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).

6. A molding apparatus as claimed in claim 4 or 5, wherein: the powder filling assembly comprises a powder box (16), a powder box pushing piece (17), a powder bin (18) and a powder conveying component, wherein the powder box (16) is arranged on the upper surface of a fixed table (9) in a sliding mode and matched with the female die (1), a fixing portion of the powder box pushing piece (17) is fixedly arranged on a mounting support (8), an output shaft of the powder box pushing piece (17) is fixedly connected with the powder box (16), the powder bin (18) is arranged on the mounting support (8), a lower end opening of the powder bin (18) is connected with the upper end of the powder conveying component, and the lower end of the powder conveying component is matched with the powder box (16).

7. A molding apparatus as defined in claim 6, wherein: the powder transportation component comprises a powder guide tube (19), a baffle (20), a sliding sealing plate (21) and a powder adding tube (22), one end of the powder adding tube (22) is fixedly arranged on the powder box (16) and communicated with the powder box (16), the length direction of the powder adding tube (22) is parallel to the moving direction of the powder box (16), the other end of the powder adding tube (22) is sealed, the upper end of the powder guide tube (19) is fixedly communicated with the powder bin (18) in a sealing manner, the baffle (20) is fixedly arranged on the lower end of the powder guide tube (19) and matched with the inner wall of the powder adding tube (22), a sliding groove (23) is formed in the upper side of the powder adding tube (22), the sliding sealing plate (21) is fixedly arranged on the lower end of the powder guide tube (19) and matched with the sliding groove (23) in a sealing manner, and the lower end of the powder guide tube (19) is communicated with the powder box (16).

8. A molding apparatus as claimed in claim 3, wherein: the pushing assembly comprises a pressing part and a pushing part, the pressing part is fixedly arranged on the mounting bracket (8), and the pushing part is fixedly arranged on the pressing part.

9. A molding apparatus as defined in claim 8, wherein: the pressing component comprises a mounting plate (24) and a telescopic driving piece (25), wherein the mounting plate (24) is fixedly arranged on the mounting bracket (8), a fixing 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 female die (1).

10. A molding apparatus as defined in claim 9, wherein: the pushing-out component comprises a pushing-out driving piece (26) and a pushing plate (27), wherein the fixing part of the pushing-out driving piece (26) is fixedly arranged on the output part of the telescopic driving piece (25), the pushing plate (27) is fixedly arranged on the output end of the pushing-out driving piece (26), and the pushing plate (27) is matched with the upper surface matched with the female die (1).