CN219520377U

CN219520377U - Die changing mechanism of fastener cold header

Info

Publication number: CN219520377U
Application number: CN202320010532.8U
Authority: CN
Inventors: 赵晓贻; 李华峰; 黄红耀; 赵玉
Original assignee: Nantong Saiford Hardware Technology Co ltd
Current assignee: Nantong Saiford Hardware Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-08-15
Anticipated expiration: 2033-01-04

Abstract

The utility model provides a die changing mechanism of a fastener cold header, which comprises the following components: a mounting table and a stationary platen; the fixed template is detachably arranged on the front surface of the mounting table; the top and the bottom of the back of the fixed die plate are fixedly connected with positioning blocks, and T-shaped clamping grooves are formed in the two groups of positioning blocks; two locking grooves are formed in the mounting table, and a group of anastomotic holes communicated with the interiors of the two locking grooves are formed in the top and the bottom of the front surface of the mounting table; two locking assemblies for clamping the positioning blocks are arranged on two sides of the inside of the locking groove. The die changing mechanism of the fastener cold header provided by the utility model not only has a good die changing function, but also ensures the stability and strength of the fastener cold header after die changing, improves the stability of the subsequent cold header during working, and solves the problems that the complex condition of repeated screwing is needed through bolt installation and the stability between dies is affected when the bolt loosens.

Description

Die changing mechanism of fastener cold header

Technical Field

The utility model relates to the field of die changing of cold heading machines, in particular to a die changing mechanism of a fastener cold heading machine.

Background

The cold header is forging forming equipment for thickening the top of a bar or a wire rod at room temperature, is special equipment mainly used for mass production of fasteners such as nut bolts and the like, and is used for upsetting the heads of the bolts and the screws by adopting a cold upsetting method.

In the production process of the cold header, new and old dies often need to be replaced regularly, or the dies are replaced according to different product models so as to meet the processing requirements of different fasteners.

In the related art, a plurality of fastening bolts are generally adopted for fixing a die in the existing cold header, and the die is provided with a detachable die changing function, but a worker is required to repeatedly screw the bolts, so that the die changing efficiency is reduced, and the cold header is easy to loosen due to the fact that the bolts loosen due to vibration and other factors of the cold header for a long time, so that the normal work of the cold header is influenced.

Therefore, it is necessary to provide a die changing mechanism of a fastener cold header to solve the above technical problems.

Disclosure of Invention

The utility model provides a die changing mechanism of a fastener cold header, which solves the problem that die changing can be performed only by repeatedly screwing a plurality of fastening bolts, and die changing efficiency is affected.

In order to solve the technical problems, the utility model provides a die changing mechanism of a fastener cold header, comprising:

a mounting table and a stationary platen;

the fixed template is detachably arranged on the front surface of the mounting table;

the top and the bottom of the back of the fixed die plate are fixedly connected with positioning blocks, and T-shaped clamping grooves are formed in the two groups of positioning blocks;

two locking grooves are formed in the mounting table, and a group of anastomotic holes communicated with the interiors of the two locking grooves are formed in the top and the bottom of the front surface of the mounting table;

two locking assemblies for clamping the positioning blocks are arranged on two sides of the inside of the locking groove.

Preferably, the locking assembly comprises a sliding plate which is connected inside the locking groove in a sliding mode, and the front face of the sliding plate is fixedly connected with an L-shaped clamping block.

Preferably, the front surface of the inner wall of the locking groove is slidably connected with a driving plate, and one side of the driving plate is fixed on the back surface of the sliding plate.

Preferably, one side of the locking groove is rotatably connected with a threaded rod, one end of the threaded rod is fixedly connected with a rotary handle, and the other end of the threaded rod is in threaded connection with the inside of the driving plate.

Preferably, a group of positioning cavities are formed in the mounting table, and the group of positioning cavities are located between the two locking grooves.

Preferably, locking holes are formed in the two groups of positioning blocks.

Preferably, a group of through holes communicated with the inside of the anastomotic hole are formed in the top and the bottom of the mounting table, the fixing plates are detachably mounted on the top and the bottom of the mounting table through fastening bolts, and a group of locking rods are fixedly connected to one opposite sides of the two fixing plates.

Compared with the related art, the die changing mechanism of the fastener cold header provided by the utility model has the following beneficial effects:

the utility model provides a die changing mechanism of a fastener cold header, which is characterized in that a locking assembly is used for losing clamping of a positioning block positioned in a locking groove, so that a fixed die plate can be detached, and when the mechanism is installed reversely, the positioning block on the fixed die plate is only required to be inserted into the locking groove through an anastomotic hole and matched with the locking assembly to lock the positioning block, so that die changing is completed, a good die changing function is realized, stability and strength of the cold header after die changing are ensured, stability of the cold header in the follow-up cold header in the working process is improved, and the problems that the complex condition that repeated screwing is required by bolt installation and stability between dies is influenced when the bolt is loosened are solved.

Drawings

FIG. 1 is a schematic view of a first embodiment of a die change mechanism of a cold header of a fastener provided by the utility model;

FIG. 2 is a structural side view of the stationary platen shown in FIG. 1;

FIG. 3 is a schematic view of the mounting table shown in FIG. 1;

FIG. 4 is a cross-sectional top view of the mounting table shown in FIG. 3;

FIG. 5 is a schematic view of a first embodiment of a die change mechanism of a cold header of a fastener according to the present utility model;

fig. 6 is a schematic structural view of the fixing plate shown in fig. 5.

Reference numerals in the drawings: 1. a mounting table; 11. a locking groove; 12. an anastomotic stoma; 2. a stationary mold plate; 21. a positioning block; 22. a T-shaped clamping groove; 3. a locking assembly; 31. a sliding plate; 32. an L-shaped clamping block; 33. a driving plate; 34. a threaded rod; 4. a positioning cavity; 5. a locking hole; 6. a through hole; 7. a fixing plate; 8. a locking lever.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

First embodiment

Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a die changing mechanism of a cold header of a fastener according to the present utility model; FIG. 2 is a structural side view of the stationary platen shown in FIG. 1; FIG. 3 is a schematic view of the mounting table shown in FIG. 1; fig. 4 is a cross-sectional top view of the mounting table shown in fig. 3. Fastener cold heading machine retooling mechanism includes:

a mounting table 1 and a fixed template 2;

the fixed template 2 is detachably arranged on the front surface of the mounting table 1;

the top and the bottom of the back of the fixed template 2 are fixedly connected with positioning blocks 21, and T-shaped clamping grooves 22 are formed in the two groups of positioning blocks 21;

two locking grooves 11 are formed in the mounting table 1, and a group of anastomotic holes 12 communicated with the interiors of the two locking grooves 11 are formed in the top and the bottom of the front surface of the mounting table 1;

two locking assemblies 3 for clamping the positioning block 21 are arranged on two sides of the inside of the two locking grooves 11;

the clamping of the positioning block 21 positioned in the locking groove 11 is lost through the locking assembly 3, so that the fixed template 2 can be detached;

in the opposite installation, the positioning block 21 on the fixed die plate 2 is only required to be inserted into the locking groove 11 through the anastomotic orifice 12 and can be locked by matching with the locking assembly 3, so that the die changing work is completed;

the die has good die changing function, ensures the stability and strength after die changing, improves the stability of the subsequent cold header during working, and solves the problems that the stability between dies is affected when the bolts are loosened due to the complex condition that the bolts are required to be repeatedly screwed during installation;

the number of the groups in the file of the utility model is preferably five, and different numbers can be set according to the situation.

The locking assembly 3 comprises a sliding plate 31 which is connected inside the locking groove 11 in a sliding way, and the front surface of the sliding plate 31 is fixedly connected with an L-shaped clamping block 32;

through the setting of L type chucking piece 32 for in inserting the inside T type draw-in groove 22 of locating piece 21, cooperate the skew of L type chucking piece 32 one side, and then carry out the chucking with T type draw-in groove 22, accomplish the fixed of mount table 1 and fixed template 2.

The front surface of the inner wall of the locking groove 11 is connected with a driving plate 33 in a sliding way, and one side of the driving plate 33 is fixed on the back surface of the sliding plate 31;

through the fixed connection of the driving plate 33 and the sliding plate 31, the driving plate 33 can move left and right, i.e. the sliding plate 31 can be driven to move left and right.

One side of the locking groove 11 is rotatably connected with a threaded rod 34, one end of the threaded rod 34 is fixedly connected with a rotary handle, and the other end of the threaded rod 34 is in threaded connection with the inside of the driving plate 33;

through the setting of rotatory handle, the staff of being convenient for drives threaded rod 34's rotation, and the rotation of threaded rod 34 can drive plate 33 and move about, and then drive plate 33 and move about.

A group of positioning cavities 4 are formed in the mounting table 1, and the group of positioning cavities 4 are positioned between the two locking grooves 11;

through the arrangement of a group of positioning cavities 4, the positioning performance of the contact between the mounting table 1 and the fixed template 2 is ensured.

The working principle of the die changing mechanism of the fastener cold header provided by the utility model is as follows:

the rotation of the hand to the rotary handle can drive the rotation of the threaded rod 34, the rotation of the threaded rod 34 can drive the driving plate 33 to move left and right, and then drive the driving plate 33 to move left and right, because the driving plate 33 is fixedly connected with the sliding plate 31, the driving plate 33 can drive the sliding plate 31 to move left and right, and finally the L-shaped clamping block 32 can be driven to move left and right, when the L-shaped clamping block 32 is matched with the port of the T-shaped clamping groove 22, clamping can be lost, and finally the fixed die plate 2 is pulled, so that the fixed die plate 2 can be detached;

in the opposite installation, only the positioning block 21 on the fixed die plate 2 is inserted into the locking groove 11 through the anastomotic hole 12, the L-shaped clamping block 32 is inserted into the T-shaped clamping groove 22, and the positioning block 21 can be clamped by matching with the movement of one side of the L-shaped clamping block 32, so that the die changing work is completed.

Second embodiment

Referring to fig. 5-6 in combination, a second embodiment of the present utility model provides a mold changing mechanism for a cold header of a fastener according to a first embodiment of the present utility model. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the second embodiment of the present utility model provides a mold changing mechanism of a fastener cold header, which is different in that locking holes 5 are formed in the two sets of positioning blocks 21;

the locking hole 5 is formed, so that the locking rod 8 is inserted, and the stability of the die change is ensured.

The top and the bottom of the mounting table 1 are provided with a group of through holes 6 communicated with the inside of the anastomotic hole 12, the top and the bottom of the mounting table 1 are detachably provided with fixing plates 7 through fastening bolts, and one side opposite to the two fixing plates 7 is fixedly connected with a group of locking rods 8;

through fixing the fixed plate 7 on the mounting table 1, the stability of the locking rod 8 inserted into the locking hole 5 through the through hole 6 can be ensured, and the strength after die changing is further improved.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. Fastener cold heading machine retooling mechanism, its characterized in that includes:

a mounting table (1) and a fixed template (2);

the fixed template (2) is detachably arranged on the front surface of the mounting table (1);

the top and the bottom of the back of the fixed template (2) are fixedly connected with positioning blocks (21), and T-shaped clamping grooves (22) are formed in the two groups of positioning blocks (21);

two locking grooves (11) are formed in the mounting table (1), and a group of anastomotic holes (12) communicated with the interiors of the two locking grooves (11) are formed in the top and the bottom of the front surface of the mounting table (1);

two locking assemblies (3) used for clamping the positioning blocks (21) are arranged on two sides of the inside of the two locking grooves (11).

2. The fastener cold heading machine die changing mechanism according to claim 1, wherein the locking assembly (3) comprises a sliding plate (31) which is slidably connected inside the locking groove (11), and an L-shaped clamping block (32) is fixedly connected to the front surface of the sliding plate (31).

3. The fastener cold header die changing mechanism according to claim 1, wherein a driving plate (33) is slidably connected to the front surface of the inner wall of the locking groove (11), and one side of the driving plate (33) is fixed to the back surface of the sliding plate (31).

4. A fastener cold header die change mechanism according to claim 3, wherein one side of the locking groove (11) is rotatably connected with a threaded rod (34), one end of the threaded rod (34) is fixedly connected with a rotary handle, and the other end of the threaded rod (34) is in threaded connection with the inside of the driving plate (33).

5. The fastener cold heading machine die changing mechanism according to claim 1, wherein a group of positioning cavities (4) are formed in the mounting table (1), and the group of positioning cavities (4) are located between two locking grooves (11).

6. The fastener cold heading machine die changing mechanism according to claim 1, wherein the inner parts of the two groups of positioning blocks (21) are provided with locking holes (5).

7. The mold changing mechanism of the fastener cold header according to claim 6, wherein a group of through holes (6) communicated with the inside of the anastomotic hole (12) are formed in the top and the bottom of the mounting table (1), fixing plates (7) are detachably mounted on the top and the bottom of the mounting table (1) through fastening bolts, and a group of locking rods (8) are fixedly connected to opposite sides of the two fixing plates (7).