CN223888837U

CN223888837U - Nut forming die

Info

Publication number: CN223888837U
Application number: CN202520353092.5U
Authority: CN
Inventors: 张利恒; 郭启义; 刘永科; 何盛凌; 杨意
Original assignee: Henan Tianhang Fastener Manufacturing Co ltd
Current assignee: Henan Tianhang Fastener Manufacturing Co ltd
Priority date: 2025-03-03
Filing date: 2025-03-03
Publication date: 2026-02-10
Anticipated expiration: 2035-03-03

Abstract

This utility model relates to the field of mold technology and discloses a nut forming mold, including a fixed mold part and a movable mold part that moves up and down relative to the fixed mold part. The fixed mold part includes a base, the top of which is open to form a positioning groove, and multiple limiting grooves are formed on the top of the base. The positioning groove is located between two limiting grooves, and a detachable inner mold is provided inside the positioning groove. A limiting plate is fixedly connected to the circumferential surface of the inner mold, and the limiting plate matches the limiting groove. The top of the inner mold is open to form a forming cavity. The movable mold part includes a first moving plate, which is located above the base. By setting a detachable connection between the inner mold and the base, when the inner mold is excessively worn and needs to be replaced, the inner mold can be pulled to separate it from the base, and personnel can remove the inner mold for replacement without replacing the entire mold, thus reducing the operating cost of the device.

Description

Nut forming die

Technical Field

The utility model relates to the technical field of dies, in particular to a nut forming die.

Background

The nut forming die is a key tool for producing nuts, and can accurately form nut products meeting requirements through specific design and manufacturing processes. The nut forming die usually comprises an upper die and a lower die, when the existing nut forming die is used, although the existing nut forming die can be used for producing nuts, certain defects exist, for example, in Chinese patent with publication number of CN 220497521U, a forming die for processing nuts is disclosed, the forming die comprises a bottom plate and a forming die body, the forming die body is fixedly arranged at the top end of the bottom plate, a hexagonal groove is formed in the top end of the forming die body, an ejection mechanism is arranged on the forming die body, as the forming part of the forming die is of an integral structure, the die is gradually increased along with the increase of the service time, so that the die needs to be replaced regularly, the die needs to be replaced integrally, the use cost is high, and when the die is used for producing nuts, after the nuts need to be taken out, the nuts need to be transferred to other stations for tapping, and the production efficiency of the nuts is reduced.

Disclosure of utility model

The utility model provides a nut forming die, which aims to solve the problem that the existing die needs to be replaced integrally.

In order to achieve the purpose, the nut forming die comprises a fixed die and a movable die which moves up and down relative to the fixed die, wherein the fixed die comprises a base, a positioning groove is formed in the top of the base in an open mode, a plurality of limiting grooves are formed in the top of the base, the positioning groove is located between the two limiting grooves, a detachable inner die is arranged in the positioning groove, a limiting plate is fixedly connected to the circumferential surface of the inner die, the limiting plate is matched with the limiting grooves, and a forming cavity is formed in the top of the inner die in an open mode.

Preferably, the movable module comprises a first movable plate, the first movable plate is positioned above the base, the bottom of the first movable plate is inwards sunken to form a connecting hole, a detachable connecting rod is screwed in the connecting hole, a hexagonal plate is fixedly connected to the bottom of the connecting rod, a die head is fixedly connected to the bottom of the hexagonal plate, and the die heads are matched with the forming cavities one by one.

Preferably, a detachable screw rod is connected between the limit groove and the limit plate in a screwing way.

Preferably, the nut forming die further comprises a supporting piece, the supporting piece comprises a base frame, two first electric push rods are symmetrically and fixedly connected inside the base frame, and the first moving plate is fixedly connected between the telescopic ends of the two first electric push rods.

Preferably, the inner wall of the base frame is symmetrically and rotationally connected with two rotating rods, the base is fixedly connected between the two rotating rods, the inner wall of the base frame is also provided with a tapping piece for tapping, and the tapping piece is positioned below the base.

Preferably, the tapping piece comprises two second electric push rods, the two second electric push rods are all located below the rotating rod, a second movable plate is fixedly connected between telescopic ends of the two second electric push rods, a second motor is fixedly connected to the top of the second movable plate, and a tapping head is connected to the telescopic ends of the second motor.

Preferably, the first motor is fixedly connected to the outer side of the base frame, and the output end of the first motor is connected with the rotating rod.

In the technical scheme, the utility model has the technical effects and advantages that:

(1) Through setting up centre form and the base of detachable connection, when the excessive wearing and tearing of centre form need be changed, only need to stimulate the centre form, make centre form and base separation, personnel can take out the centre form and change, let the mould need not whole change, reduction device's use cost.

(2) According to the utility model, the die head, the connecting rod and the first movable plate are arranged and are connected with the connecting hole on the first connecting plate in a screwing way through the connecting rod, so that the die head and the hexagonal plate are fixed below the first movable plate, when a person needs to replace the die head, the die head is only required to be reversed, the connecting rod is separated from the connecting hole, the die head can be replaced, the whole replacement is not needed, and the use cost of the device is further reduced.

(3) According to the utility model, the first motor, the rotating rod and the tapping head are arranged, the rotating rod is driven to rotate through the first motor, the rotating rod drives the base to rotate, the opening of the inner die is downward, the second moving plate is driven to move through the second electric push rod, the second motor and the tapping head are driven to be close to the nut through the second moving plate, the tapping head is driven to rotate through the second motor, the tapping head is used for tapping the nut, and when the nut is produced by the die, the nut is not required to be taken out and then is additionally transferred to other stations for tapping, so that the nut production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is one of the perspective views of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a perspective view of the utility model with the movable and stationary mold parts removed;

FIG. 4 is a perspective view of the movable module of the present utility model;

FIG. 5 is one of the perspective views of the modular parts of the present utility model;

FIG. 6 is a second perspective view of the molding of the present utility model;

In the figure, 1, a supporting piece, 11, a base frame, 12, a first motor, 13, a rotating rod, 14, a first electric push rod, 2, a fixed mold piece, 21, a base, 22, a positioning groove, 23, a limiting groove, 24, an inner mold, 25, a forming cavity, 26, a limiting plate, 27, a screw rod, 3, a movable mold piece, 31, a first movable plate, 32, a hexagonal plate, 33, a die head, 34, a connecting rod, 35, a connecting hole, 4, a tapping piece, 41, a second electric push rod, 42, a second movable plate, 43, a second motor, 44 and a tapping head.

Detailed Description

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

The utility model provides a nut forming die as shown in fig. 1-6, which comprises a fixed die 2 and a movable die 3 which moves up and down relative to the fixed die 2, wherein the fixed die 2 comprises a base 21, a positioning groove 22 is formed by opening the top of the base 21, a plurality of limiting grooves 23 are formed on the top of the base 21, the positioning groove 22 is positioned between the two limiting grooves 23, a detachable inner die 24 is arranged in the positioning groove 22, a limiting plate 26 is fixedly connected to the peripheral surface of the inner die 24, the limiting plate 26 is matched with the limiting grooves 23, and a forming cavity 25 is formed by opening the top of the inner die 24.

Through the technical scheme, before a person needs to process the nut, the inner die 24 is placed in the positioning groove 22, the limiting plate 26 on the inner die 24 is clamped with the limiting groove 23, after the inner die 24 is installed, the blank is placed in the forming cavity 25 inside the inner die 24, the movable die piece 3 is moved, so that the blank in the forming cavity 25 is stamped, the blank is formed into the nut, after the nut is formed, the movable die piece 3 is far away from the inner die 24, when the person needs to replace the inner die 24, the inner die 24 is pulled, the limiting plate 26 is separated from the limiting groove 23, the inner die 24 can be separated from the positioning groove 22, and the person can replace the inner die 24 without integrally replacing all equipment.

Specifically, in one embodiment, as shown in fig. 1,2, 5 and 6, with respect to the movable module 3, the movable module 3 includes a first movable plate 31, the first movable plate 31 is located above the base 21, a connecting hole 35 is formed by sinking a bottom of the first movable plate 31, a detachable connecting rod 34 is screwed and connected to an inside of the connecting hole 35, a hexagonal plate 32 is fixedly connected to a bottom of the connecting rod 34, a die head 33 is fixedly connected to a bottom of the hexagonal plate 32, and the die heads 33 are matched with the forming cavities 25 one by one.

In this embodiment, after the blank is added into the molding cavity 25, the first moving plate 31 moves, so that the first moving plate 31 drives the die head 33 to move, and then the die head 33 punches the blank in the molding cavity 25, and then the blank is formed into a nut, and when a person needs to replace the die head 33, the die head 33 is rotated, so that the hexagonal plate 32 and the connecting rod 34 are driven to rotate, and the die head 33 is separated from the first moving plate 31, so that the die head 33 can be replaced.

After the inner mold 24 is installed, in order to make the inner mold 24 more stable, as shown in fig. 4, a detachable screw 27 is screwed between the limiting groove 23 and the limiting plate 26, and after the inner mold 24 is placed in the positioning groove 22, the screw 27 is screwed with the limiting plate 26 and the base 21, so that the inner mold 24 is fastened after being fixed.

In order to support the first moving plate 31, the die further comprises a supporting piece 1, the supporting piece 1 comprises a base frame 11, two first electric push rods 14 are symmetrically and fixedly connected inside the base frame 11, the first moving plate 31 is fixedly connected between telescopic ends of the two first electric push rods 14, the first electric push rods 14 are supported through the base frame 11, the first moving plate 31 is supported through the first electric push rods 14, and when the first moving plate 31 needs to be driven, the first moving plate 31 is driven to move through the first electric push rods 14, so that the first moving plate 31 drives the die head 33 to move, and blanks are punched.

In addition, in order to tap the nut, as shown in fig. 1-3, two rotating rods 13 are symmetrically and rotatably connected to the inner wall of the base frame 11, a base 21 is fixedly connected between the two rotating rods 13, a tapping member 4 for tapping is further mounted on the inner wall of the base frame 11, and the tapping member 4 is located below the base 21.

In this embodiment, after the nut is processed, the rotating rod 13 rotates to further drive the base 21 to rotate, so that the positioning groove 22 is opened downwards, and the nut is close to the tapping member 4, and the nut is processed by the tapping member 4.

Specifically, in one embodiment, as shown in fig. 1-3, regarding the tapping member 4, the tapping member 4 includes two second electric push rods 41, the two second electric push rods 41 are located below the rotating rod 13, a second moving plate 42 is fixedly connected between telescopic ends of the two second electric push rods 41, a second motor 43 is fixedly connected to the top of the second moving plate 42, and a tapping head 44 is connected to a telescopic end of the second motor 43.

In this embodiment, when the opening of the positioning slot 22 is towards the rear, the second electric push rod 41 drives the second moving plate 42 to move, so that the second moving plate 42 drives the second motor 43 to move, the tapping head 44 is close to the nut, and the second motor 43 rotates, so that the tapping head 44 taps the nut.

In the present utility model, as shown in fig. 3, a first motor 12 is fixedly connected to the outer side of the base frame 11 with respect to how the rotating lever 13 rotates, and an output end of the first motor 12 is connected to the rotating lever 13.

In this embodiment, when the rotation of the rotating lever 13 is required, the first motor 12 is operated to further rotate the rotating lever 13.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The nut forming die is characterized by comprising a fixed die piece (2) and a movable die piece (3) which moves up and down relative to the fixed die piece (2), wherein the fixed die piece (2) comprises a base (21), a positioning groove (22) is formed by opening the top of the base (21), a plurality of limiting grooves (23) are formed in the top of the base (21), the positioning groove (22) is positioned between the two limiting grooves (23), a detachable inner die (24) is arranged in the positioning groove (22), a limiting plate (26) is fixedly connected to the peripheral surface of the inner die (24), the limiting plate (26) is matched with the limiting grooves (23), and a forming cavity (25) is formed by opening the top of the inner die (24).

2. The nut forming die as claimed in claim 1, wherein the movable die (3) comprises a first movable plate (31), the first movable plate (31) is located above the base (21), a connecting hole (35) is formed by sinking the bottom of the first movable plate (31), a detachable connecting rod (34) is connected with the inside of the connecting hole (35) in a screwing mode, a hexagonal plate (32) is fixedly connected to the bottom of the connecting rod (34), a die head (33) is fixedly connected to the bottom of the hexagonal plate (32), and the die heads (33) are matched with the forming cavity (25) one by one.

3. A nut forming die as claimed in claim 1 or 2, wherein a detachable screw (27) is screwed between the limit groove (23) and the limit plate (26).

4. The nut forming die as defined in claim 2, further comprising a supporting member (1), wherein the supporting member (1) comprises a base frame (11), two first electric push rods (14) are symmetrically and fixedly connected inside the base frame (11), and the first moving plate (31) is fixedly connected between telescopic ends of the two first electric push rods (14).

5. The nut forming die as claimed in claim 4, wherein the inner wall of the base frame (11) is symmetrically and rotatably connected with two rotating rods (13), the base (21) is fixedly connected between the two rotating rods (13), the inner wall of the base frame (11) is also provided with a tapping piece (4) for tapping, and the tapping piece (4) is positioned below the base (21).

6. The nut forming die according to claim 5, wherein the tapping piece (4) comprises two second electric push rods (41), the two second electric push rods (41) are located below the rotating rod (13), a second moving plate (42) is fixedly connected between telescopic ends of the two second electric push rods (41), a second motor (43) is fixedly connected to the top of the second moving plate (42), and a tapping head (44) is connected to the telescopic end of the second motor (43).

7. The nut forming die of claim 5, wherein a first motor (12) is fixedly connected to the outer side of the base frame (11), and the output end of the first motor (12) is connected with a rotating rod (13).