CN210333925U

CN210333925U - Detachable die and multi-combined structure thereof

Info

Publication number: CN210333925U
Application number: CN201920832798.4U
Authority: CN
Inventors: 邹泽昌; 陈贵清; 陈忠士; 蓝敏俐
Original assignee: Fujian Chuanzheng Communications College
Current assignee: Fujian Chuanzheng Communications College
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-17
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a detachable mold and a multi-combination structure thereof, which comprises a lower mold plate, a mold handle, a female mold sleeve b and a male mold sleeve b, wherein a lower mold base plate is arranged on the surface of the lower mold plate, when the female mold fixing plate of the mold is fixed with the lower mold base plate, an extrusion force is generated downwards through a sphere and is inserted into a clamping jaw, so that the clamping jaw is bundled, the sphere is clamped through a spherical groove, and simultaneously, under the action of a screw pre-tightening force, a bolt on a screw is inserted into a limiting hole on an insertion rod to achieve a fixing effect, the screw is detached during detachment, and the female mold fixing plate can be taken out; and lower backing plate is when realizing the fixing with the lower bolster, through embedding auto-lock ring piece for the inboard C shape mouth of auto-lock ring piece is identical with lower backing plate, and the rethread screw is fixed with auto-lock ring piece, because C shape mouth is the arc, makes lower backing plate activity from top to bottom receive the restriction, has improved the installation stability, and when dismantling, screws out can take out lower backing plate, more swift and convenient.

Description

Detachable die and multi-combined structure thereof

Technical Field

The utility model relates to a technical blanking mould field specifically is a removable mold utensil and box-like structure of multiunit thereof.

Background

The blanking die is one of stamping dies, and the principle is that a workpiece is extruded by a male die under the action of hydraulic pressure, so that the workpiece is separated from blanking and forms a punching process.

Most of current blanking dies are similar to general stamping die structure, and the bottom surface at the lower bolster is installed mostly to the connecting screw, need stand upside down the lower mould when dismantling, and is very inconvenient, from this a detachable die operation and give birth to.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detachable mold and multi-combination formula structure thereof to solve the present connecting screw that above-mentioned background art provided and install the bottom surface at the lower bolster mostly, need stand upside down the lower mould when dismantling, very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a detachable die and a multi-combination structure thereof comprise a lower die plate, a die handle, a female die sleeve b and a male die sleeve b, wherein a lower die base plate is arranged on the surface of the lower die plate, two self-locking ring blocks are embedded at the bottom end of the outer side surface of the lower die base plate, the two self-locking ring blocks are symmetrically arranged relative to the lower die base plate, the self-locking ring blocks are fixedly connected with the lower die plate through screws, a female die fixing plate is arranged on the surface of the lower die base plate, two self-locking rods are arranged at the bottom end of the female die fixing plate, the two self-locking rods are symmetrically arranged relative to the female die fixing plate, each self-locking rod comprises a rotary column and a ball body, the rotary column is in threaded connection with the bottom end of the female die fixing plate, the ball body is welded at the bottom end of the rotary column, and a claw-, the bottom end of the jaw-opening groove is provided with an insertion hole, a clamping jaw assembly is inserted into the insertion hole and comprises a clamping jaw, an insertion rod and a limiting hole, the insertion rod is inserted into the insertion hole, the limiting hole vertically penetrates through the body wall of the insertion rod, the top end of the outer wall of the insertion rod is provided with an inner groove, a fixed shaft is welded inside the inner groove, the clamping jaw is mounted on the fixed shaft, a perforation at the bottom end of the clamping jaw is rotatably connected with the fixed shaft, a ball groove is formed in the position, corresponding to the ball body, of the inner side of the clamping jaw, a screw rod is arranged inside the limiting hole and vertically arranged relative to the insertion rod and is in threaded connection with the side wall of the lower template, a bolt at the tail end of the screw rod is in embedded connection with the limiting hole, blanking holes are formed in the central positions of the female die fixing plate, the lower die base plate and the, the die comprises a die holder, a female die sleeve a, a male die column, a male die sleeve a, a rubber block, a male die sleeve a, a female die fixing plate and a die handle, wherein the female die sleeve a is fixedly connected with the female die fixing plate through a stud, the die handle is arranged at the top end of the female die fixing plate, the male die column is inserted into the bottom end of the die handle and fixedly connected with the die handle through a stud, the male die column is sleeved with the male die sleeve a in the outer side of the male die column, the male die sleeve a is fixedly connected with the male die column through a screw, the male die sleeve.

Preferably, the inner side of the self-locking ring block is of a C-shaped structure.

Preferably, the inserted bar is of a cuboid structure.

Preferably, the clamping jaws are four or more, the number of the clamping jaws is even, and the clamping jaws are respectively arranged on the corresponding surfaces of the inserted rod.

Preferably, the claw opening groove is of a quadrangular frustum pyramid structure, and a square step is arranged at the bottom end of the claw opening groove close to the edge of the jack.

Preferably, a shock pad is bonded on the surface of the square step.

Preferably, the structure of the female die sleeve b is the same as that of the female die sleeve a, the ring widths of the bottom ends of the female die sleeve b and the female die sleeve a are different from each other, the structure of the male die sleeve b is the same as that of the male die sleeve a, the ring widths of the bottom ends of the male die sleeve b and the male die sleeve a are different from each other, and the female die sleeve b is in interference fit with the male die sleeve b.

Preferably, the male die sleeve a, the male die sleeve b, the female die sleeve a, the female die sleeve b and the male die post 4 are all made of H11 die steel.

Preferably, the size of the rubber block can be selected according to the maximum diameter of the die sleeve a or the die sleeve b.

Preferably, the diameter numerical values of the blanking holes in the lower die plate and the lower die base plate are larger than the diameter numerical value of the blanking hole in the female die fixing plate.

Preferably, the perforated part at the bottom end of the clamping jaw and the clamping jaw body are of a welding structure, so that the perforated part is conveniently sleeved on the fixed shaft in advance, and then firm welding and fixing are realized.

Preferably, the ball groove is a groove hole structure processed by a high-precision milling machine and polished.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the detachable die and the lower die body on the multi-combination structure of the detachable die are composed of a lower die plate, a lower die base plate and a female die fixing plate, when the female die fixing plate is fixed with the lower die base plate, the bottom end of the female die fixing plate generates extrusion force downwards from a ball on a lock rod, and a clamping jaw in a clamping jaw assembly is inserted on the lower die base plate, so that the clamping jaw is restrained in a square step and is clamped by a ball groove at the inner side; and the lower die base plate is when realizing the fixing with the lower bolster, through embedding the auto-lock ring piece around the lower die base plate for the inboard C shape mouth of auto-lock ring piece is identical with lower die base plate, and the rethread screw is fixed the auto-lock ring piece on the lower die plate surface, because the C shape mouth is the arc, make lower die base plate activity from top to bottom receive the restriction, improved the stability of installation greatly, and when dismantling, the screw that unscrews takes out the auto-lock ring piece, can take out lower die base plate, more swift and convenient.

2. This detachable die and structural terrace die of multiunit box-like thereof cup joints by bed die post and bed die cover a seamless and forms, the die cup joints in the blanking hole for bed die cover a on the die holder and forms, realize the effect of punching a hole, can be according to the difference of the bore that punches a hole, in time change bed die cover b and bed die cover b of different models, reach the multi-unit effect of closing of mould, adapt to different production size, need not to change whole mould, avoid influencing the butt joint precision, lead to terrace die and die to take place the scotch, make this mould flexibility stronger, the function is more comprehensive.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a diagram illustrating the physical effects of the present invention;

FIG. 4 is a diagram of the effect of the insertion rod entity of the present invention;

FIG. 5 is the solid effect diagram of the concave-convex die b set of the present invention

In the figure: 1. the self-locking device comprises a lower template, 2, a lower die base plate, 3, a female die fixing plate, 4, a male die column, 5, a die handle, 6, male die sleeves a, 7, female die sleeves a, 8, a self-locking rod, 801, a rotary column, 802, a ball body, 9, a clamping jaw assembly, 901, a clamping jaw, 902, an inserting rod, 903, a limiting hole, 10, a self-locking ring block, 11, a jaw opening groove, 12, a square step, 13, a rubber block, 14, an inner groove, 15, a fixing shaft, 16, female die sleeves b, 17 and a male die sleeve b.

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

Referring to fig. 1-5, the present invention provides a technical solution: a kind of removable mould and its multi-combination structure, including lower template 1, the die shank 5, the female die sleeve b16 and male die sleeve b17, there are lower backing plates 2 on the surface of the lower template 1, the bottom of the lateral surface of the lower backing plate 2 is inlaid with the self-locking ring block 10, there are two self-locking ring blocks 10, and two self-locking ring blocks 10 are symmetrical to the lower backing plate 2, the inboard of the self-locking ring block 10 is C-shaped structure, because the C-shaped structure is an arc-shaped, make the C-shaped mouth can be fine to play the spacing function to the lower backing plate 2, has greatly improved the stability of the installation of the lower backing plate 2, the self-locking ring block 10 is fixedly connected with lower template 1 through the screw, because the screw is vertical and set up in the counterbore on the surface of the self-locking ring block 10, it is more convenient to dismantle, and the screw is distributed on the surface of;

the surface of the lower die base plate 2 is provided with a female die fixing plate 3, the bottom end of the female die fixing plate 3 is provided with two self-locking rods 8, the two self-locking rods 8 are symmetrically arranged relative to the female die fixing plate 3, each self-locking rod 8 comprises a rotary column 801 and a ball body 802, the rotary columns 801 are in threaded connection with the bottom end of the female die fixing plate 3, and the ball body 802 is welded at the bottom ends of the rotary columns 801;

the surface of the lower die base plate 2 is provided with a jaw opening groove 11 corresponding to the ball 802, the bottom end of the jaw opening groove 11 is provided with a jack, the jaw opening groove 11 is of a quadrangular frustum pyramid structure, the presence of the jaw opening groove 11 is beneficial to providing a conical space, the jaw 901 can be conveniently unfolded, the jaw 901 and the ball 802 can be well separated, the female die fixing plate 3 and the lower die base plate 2 can be separated more smoothly, the edge of the bottom end of the jaw opening groove 11 close to the jack is provided with a square step 12, after the lower die fixing plate 3 is installed, the bottom end part of the jaw 901 is supported by the square step 12 due to the extrusion of the ball 802 on the jaw 901, the ball 802 is more firmly clamped with the ball groove on the jaw 901 through the reaction force of the support, the surface of the square step 12 is bonded with a shock pad, the shock pad is made of rubber, and plays a role of buffering during each stamping, the square steps 12 are protected from being abraded, the clamping jaw assembly 9 is inserted into the jack, the clamping jaw assembly 9 comprises clamping jaws 901, an insert rod 902 and a limiting hole 903, the insert rod 902 is inserted into the jack, the insert rod 902 is of a cuboid structure, the insert rod 902 is not prone to autorotation, the stability of the insert rod 902 is greatly improved, the limiting hole 903 vertically penetrates through the body wall of the insert rod 902, an inner groove 14 is formed in the top end of the outer wall of the insert rod 902, a fixing shaft 15 is welded inside the inner groove 14, the clamping jaws 901 are installed on the fixing shaft 15, a through hole in the bottom ends of the clamping jaws 901 is rotatably connected with the fixing shaft 15, the four clamping jaws 901 are arranged, the four clamping jaws 901 are respectively arranged on corresponding surfaces of the insert rod 902, the radial force and the axial force received by the female die fixing plate 3 are shared by the four clamping jaws 901, the structural strength of installation is greatly improved, the, the ball groove is a local ball socket structure and is matched with the contact surface of the ball body 802;

a screw is arranged in the limiting hole 903, the screw is vertically arranged relative to the inserted rod 902, the screw is in threaded connection with the side wall of the lower template 1, a bolt at the tail end of the screw is in embedded connection with the limiting hole 903, self-locking of the inserted rod 902 is realized through the bolt on the screw, the screw is combined with the square abutment 12, the inserted rod 902 is prevented from moving up and down, when disassembly is needed, the screw is screwed out, so that the bolt is separated from the limiting hole 903, and the female die fixing plate 3 can be taken out;

blanking holes are formed in the center positions of the female die fixing plate 3, the lower die base plate 2 and the lower die plate 1, blanking is convenient to collect, a female die sleeve a7 is sleeved on the blanking holes of the female die fixing plate 3, and the female die sleeve a7 is fixedly connected with the female die fixing plate 3 through a stud;

the die handle 5 is arranged at the top end of the female die fixing plate 3, the bottom end of the die handle 5 is inserted with the male die column 4, the male die column 4 is fixedly connected with the die handle 5 through a stud, the outer side of the male die column 4 is sleeved with a male die sleeve a6, the male die sleeve a6 is fixedly connected with the male die column 4 through a screw, the male die sleeve a6 is in interference fit with the female die sleeve a7, the male die sleeve a6 and the central male die column 4 move towards the female die sleeve a7 to cut a workpiece, the outer side of the male die sleeve a6 is sleeved with a rubber block 13, and the rubber block 13 is convenient to extrude the workpiece through elastic deformation, so that the workpiece is ensured to be fixed in the stamping process, and the stamping precision is improved;

the structure of the female die sleeve b16 is the same as that of the female die sleeve a7, the ring widths of the bottom ends of the female die sleeve b16 and the female die sleeve a7 are different from each other, the structure of the male die sleeve b17 and the structure of the male die sleeve a6 are the same, the ring widths of the bottom ends of the male die sleeve b17 and the male die sleeve a6 are different from each other, the female die sleeve b16 and the male die sleeve b17 are in interference fit, different female die sleeves b16 and different male die sleeves b17 can be replaced according to the requirement of punching processing, the adaptability of the size is greatly improved, the die has a multi-combination effect, and the functionality is stronger.

The working principle is as follows: when the utility model is used and disassembled, the screw rod at the side of the lower template 1 is screwed out, so that the bolt at the tail end of the screw rod is separated from the limiting hole 903 on the inserted bar 902, then upward traction force is applied to the female die fixing plate 3, the ball 802 at the bottom of the female die fixing plate 3 drives the clamping jaw 901 and the inserted bar 902 to move upwards until the ball 802 is separated from the ball groove at the inner side of the clamping jaw 901, meanwhile, the clamping jaw 901 rotates around the fixed shaft, and the outer side of the clamping jaw 901 is tightly attached to the claw opening groove 11 and is in an expansion state, at the moment, the female die fixing plate 3 can be easily taken out from the lower die cushion plate 2, then the screw pre-tightened on the self-locking ring block 10 can be screwed out, the self-locking ring block 10 moves along the surface of the lower template 1 away from the lower die cushion plate 2, the lower die cushion plate 2 loses the limiting effect of the self-locking ring block 10, then, all connecting pieces all set up the inside or the surface at the mould, and whole dismantlement process need not to invert the mould for dismantle more swift and convenient, whole work flow finishes. Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a but removable mold and multiunit formula structure thereof, includes lower bolster (1), die shank (5), die case b (16) and die case b (17), its characterized in that: the surface of the lower template (1) is provided with a lower template backing plate (2), the bottom end of the outer side surface of the lower template backing plate (2) is embedded with two self-locking ring blocks (10), the two self-locking ring blocks (10) are symmetrically arranged relative to the lower template backing plate (2), and the self-locking ring blocks (10) are fixedly connected with the lower template (1) through screws;

the surface of the lower die base plate (2) is provided with a female die fixing plate (3), the bottom end of the female die fixing plate (3) is provided with two self-locking rods (8), the two self-locking rods (8) are symmetrically arranged relative to the female die fixing plate (3), each self-locking rod (8) comprises a rotary column (801) and a ball body (802), the rotary columns (801) are in threaded connection with the bottom end of the female die fixing plate (3), and the ball bodies (802) are welded at the bottom ends of the rotary columns (801);

the clamping device comprises a lower die base plate (2), a clamping jaw assembly (9) and a limiting hole (903), wherein a jaw opening groove (11) is formed in the position, corresponding to a ball body (802), on the surface of the lower die base plate (2), the bottom end of the jaw opening groove (11) is provided with a jack, the clamping jaw assembly (9) is inserted into the jack, the clamping jaw assembly (9) comprises a clamping jaw (901), an inserting rod (902) and a limiting hole (903), the inserting rod (902) is inserted into the jack, the limiting hole (903) vertically penetrates through the body wall of the inserting rod (902), the top end of the outer wall of the inserting rod (902) is provided with an inner groove (14), a fixing shaft (15) is welded inside the inner groove (14), the clamping jaw (901) is mounted on the fixing shaft (15), a through hole at the bottom end of the clamping jaw (;

a screw is arranged in the limiting hole (903), the screw is vertically arranged relative to the insert rod (902), the screw is in threaded connection with the side wall of the lower template (1), and a plug pin at the tail end of the screw is in embedded connection with the limiting hole (903);

blanking holes are formed in the center positions of the female die fixing plate (3), the lower die base plate (2) and the lower die plate (1), a female die sleeve a (7) is sleeved on the blanking holes of the female die fixing plate (3), and the female die sleeve a (7) is fixedly connected with the female die fixing plate (3) through a stud;

the die shank (5) is arranged on the top end of the female die fixing plate (3), the bottom end of the die shank (5) is connected with the male die column (4) in an inserting mode, the male die column (4) is fixedly connected with the die shank (5) through a stud, the outer side of the male die column (4) is sleeved with the male die sleeve a (6), the male die sleeve a (6) is fixedly connected with the male die column (4) through a screw, the male die sleeve a (6) is in interference fit with the female die sleeve a (7), and the rubber block (13) is sleeved on the outer side of the male die sleeve a (6).

2. The detachable mold and the multi-combination structure thereof according to claim 1, wherein: the inner side of the self-locking ring block (10) is of a C-shaped structure.

3. The detachable mold and the multi-combination structure thereof according to claim 1, wherein: the inserted bar (902) is of a cuboid structure.

4. A knock down mould and its multi-combination structure as claimed in claim 3, in which: the number of the clamping jaws (901) is four, and the four clamping jaws (901) are respectively arranged on the corresponding surfaces of the inserted rod (902).

5. The detachable mold and the multi-combination structure thereof according to claim 1, wherein: the claw opening groove (11) is of a quadrangular frustum pyramid structure, and a square step (12) is arranged at the position, close to the edge of the insertion hole, of the bottom end of the claw opening groove (11).

6. The detachable mold and the multi-combination structure thereof according to claim 5, wherein: and a shock pad is bonded on the surface of the square step (12).

7. The detachable mold and the multi-combination structure thereof according to claim 1, wherein: the die set comprises a die set body, a die set cover.