CN216502134U

CN216502134U - High-efficient hot mound shaping auxiliary device of nut

Info

Publication number: CN216502134U
Application number: CN202122831953.0U
Authority: CN
Inventors: 高占江
Original assignee: Handan Zhanjiang Prestressed Anchorage Co ltd
Current assignee: Handan Zhanjiang Prestressed Anchorage Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-13
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a high-efficiency hot-heading forming auxiliary device for nuts, which comprises a hot heading machine, wherein the hot heading machine comprises a punching table, a forming female die arranged on the punching table, and a lifting part linearly moving along the vertical direction, wherein the bottom of the lifting part is provided with a punch and a pipe frame, the pipe frame is provided with a cooling water pipe, and the hot heading machine also comprises two water retaining mechanisms symmetrically arranged on two sides of the forming female die; the water retaining mechanism comprises a water retaining plate; the lower end of the lifting part is fixed with a push-down component which is in one-to-one correspondence with the water retaining mechanism. According to the auxiliary device for efficient hot-heading forming of the nut, the inverted-V-shaped water retaining structure is formed by splicing the two water retaining plates before punching, most of cooling water is shielded, and excessive cooling water is prevented from contacting with the nut to be hot-headed, so that the nut is ensured to be at the optimal hot-heading punching temperature, the nut quality is improved, the defective rate is reduced, and the nut hot-heading forming is more efficient; when the punch descends, the water baffles are separated away from the punch, so that the punch can pass through the gap between the two water baffles.

Description

High-efficient hot mound shaping auxiliary device of nut

Technical Field

The utility model relates to the technical field of nut processing equipment, in particular to an efficient hot-heading forming auxiliary device for nuts.

Background

Some high strength nuts require a hot heading process to produce. The hot heading process is that a workpiece to be processed is heated to a certain temperature by a high-frequency furnace or other heating equipment, the heated workpiece is placed on a hot heading machine, and then the nut is formed by a die in a punching mode.

Install the drift on the hot heading machine, at the in-process of punching press, the drift can produce a large amount of heats, and the drift is untimely with heat giving off, can seriously influence the life of drift. Cooling water is required to cool the punch. However, in actual production, the punch is continuously flushed by cooling water, and when the heated nut blank is placed in a mold core of a forming female mold before punching, the cooling water contacts with the heated nut, so that the temperature of the nut is reduced, the hardness is increased, the punch cannot penetrate through the nut blank easily, and particularly, in the case that the contact time of the nut and the cooling water is long, defective products are easily generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs an efficient hot-heading forming auxiliary device for nuts.

The technical scheme of the utility model is that the efficient hot-heading forming auxiliary device for the nut comprises a hot heading machine, wherein the hot heading machine comprises a stamping table, a forming female die arranged on the stamping table, and a lifting part moving linearly along the vertical direction, a punch and a pipe frame are arranged at the bottom of the lifting part, a cooling water pipe for spraying cooling water to the punch is arranged on the pipe frame, and the efficient hot-heading forming auxiliary device further comprises two water retaining mechanisms symmetrically arranged on two sides of the forming female die; the water retaining mechanism comprises a water retaining plate; the lower end of the lifting part is fixedly provided with a push-down assembly which corresponds to the water baffle mechanisms one by one, and the push-down assembly is matched with the water baffle mechanisms and is used for driving the water baffle plates to move towards the direction far away from the axis of the punch head when the punch head descends, so that the punch head passes through the gap between the two water baffle plates; when the punch is located at the highest point, the two water baffles are spliced into an inverted V-shaped water retaining structure right above the forming female die and shield the forming female die core.

Further, the manger plate mechanism still includes fixed frame, a support, a guide rail, wheel components, the frame and the pressure spring slide, fixed frame passes through the support to be fixed at the punching press bench, wheel components installs in the frame that slides, the frame that slides is located fixed frame inboard and along with drift vertical direction horizontal migration, just be located on the fixed frame inner wall and slide frame removal direction both sides and be fixed with the guide rail, the slider and the frame fixed connection that slides of guide rail, the one end that the shaping master model was kept away from to the frame that slides is fixed with the pressure spring, the pressure spring other end is connected with fixed frame, the one end and the breakwater fixed connection that the frame that slides is close to the shaping master model.

Further, the lower pushing assembly comprises a vertical plate fixedly connected with the lifting part and a trapezoidal pushing block arranged on the vertical plate, the trapezoidal pushing block is provided with an inclined surface and a vertical plane which are in contact fit with the roller assemblies, and the inclined surface is positioned below the vertical plane; when the punch is positioned at the highest point, the roller assembly is in contact with the inclined plane or is positioned below the inclined plane; and in the process that the punch head descends from the highest point to the lowest point, the roller assemblies are sequentially contacted with the inclined plane and the vertical plane.

Furthermore, a heat-resistant rubber strip is fixed at one end, facing the punch, of the water baffle.

The utility model has the beneficial effects that: before punching, an inverted V-shaped water retaining structure is formed by splicing two water retaining plates, most of cooling water is shielded, and excessive cooling water is prevented from contacting with a nut to be subjected to hot pier forming, so that the nut is ensured to be at the optimal hot pier punching temperature, the nut quality is improved, the defective rate is reduced, and the nut hot pier forming is more efficient; when the drift descends, keep away from the drift through pushing down subassembly drive manger plate mechanism for the drift can follow the clearance of two breakwaters and pass through, is convenient for punch a hole, and the cooling water can be the drift cooling all the time, guarantees drift life.

Drawings

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

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is another state diagram of FIG. 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

in the figure, 1, a hot heading machine; 11. a punching stage; 12. molding a female die; 13. a lifting part; 14. a punch; 15. a pipe frame; 16. a cooling water pipe; 2. a water retaining mechanism; 21. a water baffle; 22. a fixing frame; 23. a support; 24. a guide rail; 25. a roller assembly; 26. a sliding frame; 27. a pressure spring; 28. a heat-resistant rubber strip; 3. a push-down component; 31. a vertical plate; 32. a trapezoidal push block; 321. a bevel; 322. a vertical plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In one embodiment, please refer to fig. 1-5: a high-efficiency hot-heading forming auxiliary device for nuts comprises a hot heading machine 1, wherein the hot heading machine 1 comprises a punching table 11, a forming female die 12 arranged on the punching table 11, and a lifting part 13 linearly moving along the vertical direction, a punch 14 and a pipe frame 15 are arranged at the bottom of the lifting part 13, a cooling water pipe 16 used for spraying cooling water to the punch 14 is arranged on the pipe frame 15, and the high-efficiency hot-heading forming auxiliary device further comprises two water retaining mechanisms 2 symmetrically arranged on two sides of the forming female die 12; the water retaining mechanism 2 comprises a water retaining plate 21; the lower end of the lifting part 13 is fixed with the push-down components 3 which correspond to the water baffle mechanisms 2 one by one, and the push-down components 3 and the water baffle mechanisms 2 are matched for driving the water baffle plates 21 to move towards the direction far away from the axis of the punch 14 when the punch 14 descends, so that the punch 14 passes through the gap between the two water baffle plates 21; as shown in fig. 1-3, when the punch 14 is located at the highest point, two water baffles 21 are spliced into an inverted V-shaped water baffle structure directly above the forming master die 12 and cover the core of the forming master die 12.

For making the descending portion, when the push-down assembly 3 descends, the water retaining mechanism 2 can move towards the direction far away from the punch 14, let open the position that the punch 14 passes through, set up the water retaining mechanism 2 and still include fixed frame 22, support 23, guide rail 24, roller components 25, slide frame 26 and pressure spring 27, fixed frame 22 passes through support 23 to be fixed on punching press platform 11, roller components 25 install in slide frame 26, slide frame 26 is located fixed frame 22 inboard and along with the punch 14 vertical direction horizontal migration, be located on the fixed frame 22 inner wall and be fixed with guide rail 24 on the both sides of the moving direction of slide frame 26, the slider of guide rail 24 and slide frame 26 fixed connection, the one end that the shaping master model 12 was kept away from to slide frame 26 is fixed with pressure spring 27, the pressure spring 27 other end is connected with fixed frame 22, the one end that the slide frame 26 is close to the shaping master model 12 and water retaining plate 21 fixed connection.

In order to drive the water retaining mechanism 2 to move, the lower pushing assembly 3 is arranged to comprise a vertical plate 31 fixedly connected with the lifting part 13 and a trapezoidal pushing block 32 installed on the vertical plate 31, the trapezoidal pushing block 32 is provided with an inclined surface 321 and a vertical plane 322 in contact fit with the roller assembly 25, and the inclined surface 321 is located below the vertical plane 322; when the punch 14 is located at the highest point, the roller assembly 25 is in contact with the inclined surface 321, or may be located below the inclined surface 321; in the process that the punch 14 descends from the highest point to the lowest point, the roller assembly 25 is sequentially contacted with the inclined plane 321 and the vertical plane 322.

In order to prevent water leakage at the joint when the two water baffles 21 are spliced together, a heat-resistant rubber strip 28 is fixed at one end of the water baffle 21 facing the punch 14. By arranging the heat-resistant rubber strip 28, the spliced part of the two water baffles 21 can be sealed, water leakage is avoided, and the contact of water with the heated nut before the punch 14 descends is reduced.

The working principle of the embodiment is as follows: after the heated nut blank is placed into a hole of a mold core of a forming female mold 12, a lifting part 13 drives a punch 14 and a lower pushing assembly 3 to descend, an inclined surface 321 of a trapezoidal block is in contact with a roller assembly 25, the roller assembly 25 is pushed to be far away from the axis of the punch 14, under the guiding action of a guide rail 24, the roller assembly 25 and a sliding frame 26 linearly move on the inner side of a fixing frame 22 and are far away from the punch 14, a water baffle 21 moves together, the two water baffles 21 move back and gradually get away, the punch 14 descends from the gap between the two water baffles 21 and approaches to the nut, a vertical plane 322 is in contact with the roller assembly 25, so that the water baffles 21 keep fixed positions, as shown in fig. 4 and 5, water sprayed by a cooling water pipe 16 can be in contact with the forming female mold 12 and the nut during the process, the temperature of the punch 14 is continuously reduced, and the punch 14 is convenient to separate from the nut;

after punching, the lifting part 13 drives the punch 14 and the lower pushing assembly 3 to ascend, the roller assembly 25 is sequentially contacted with the vertical plane 322 and the inclined plane 321, when the roller assembly 25 rolls on the inclined plane 321, the pressure spring 27 pushes the sliding frame 26 and the roller assembly 25 to be close to the punch 14 under the action of the elastic restoring force of the pressure spring 27, and the two water baffles 21 move oppositely; when the punch 14 rises to the highest point from the two baffle clearance pools, as shown in fig. 1-3, the two water baffles 21 reset, the heat-resistant rubber strips 28 abut against the water baffles 21 to enable the water baffles 21 to be spliced into an inverted-V-shaped water baffle structure again to shield cooling water, and at the moment, when a next heated nut is placed in the mold core of the forming female mold 12, a large amount of cooling water is not in contact with the heated nut, so that the optimal hot-pier punching temperature of the nut is ensured, the nut quality is improved, the defective rate is reduced, and the nut hot-pier forming is more efficient.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The efficient hot-heading forming auxiliary device for the nuts comprises a hot-heading machine (1), wherein the hot-heading machine (1) comprises a punching table (11), a forming female die (12) arranged on the punching table (11), and a lifting part (13) which linearly moves along the vertical direction, a punch (14) and a pipe frame (15) are arranged at the bottom of the lifting part (13), a cooling water pipe (16) for spraying cooling water to the punch (14) is arranged on the pipe frame (15), and the efficient hot-heading forming auxiliary device is characterized by further comprising two water retaining mechanisms (2) which are symmetrically arranged on two sides of the forming female die (12); the water retaining mechanism (2) comprises a water retaining plate (21); the lower end of the lifting part (13) is fixedly provided with the push-down components (3) which correspond to the water retaining mechanisms (2) one by one, and the push-down components (3) are matched with the water retaining mechanisms (2) and used for driving the water retaining plates (21) to move towards the direction far away from the axis of the punch (14) when the punch (14) descends, so that the punch (14) passes through the gap between the two water retaining plates (21); when the punch (14) is located at the highest point, the two water baffles (21) are spliced into an inverted V-shaped water baffle structure right above the forming female die (12) and shield the die core of the forming female die (12).

2. The nut efficient hot heading assist device of claim 1, the water retaining mechanism (2) is characterized by further comprising a fixing frame (22), a support (23), guide rails (24), a roller assembly (25), a sliding frame (26) and a pressure spring (27), the fixing frame (22) is fixed on the punching platform (11) through the support (23), the roller assembly (25) is installed in the sliding frame (26), the sliding frame (26) is located on the inner side of the fixing frame (22) and moves horizontally along the direction perpendicular to the punch head (14), the guide rails (24) are fixed on the inner wall of the fixing frame (22) and located on the two sides of the moving direction of the sliding frame (26), a sliding block of the guide rails (24) is fixedly connected with the sliding frame (26), the pressure spring (27) is fixed to one end, far away from the forming female die (12), of the sliding frame (26), the other end of the pressure spring (27) is connected with the fixing frame (22), and the end, close to the forming female die (12), of the sliding frame (26) is fixedly connected with the water retaining plate (21).

3. The nut efficient hot heading auxiliary device as claimed in claim 2, wherein the lower pushing assembly (3) comprises a vertical plate (31) fixedly connected with the lifting part (13) and a trapezoidal pushing block (32) mounted on the vertical plate (31), the trapezoidal pushing block (32) is provided with a slope (321) and a vertical plane (322) in contact fit with the roller assembly (25), and the slope (321) is located below the vertical plane (322); when the punch (14) is positioned at the highest point, the roller assembly (25) is in contact with the inclined surface (321) or is positioned below the inclined surface (321); in the process that the punch (14) descends from the highest point to the lowest point, the roller assembly (25) is sequentially contacted with the inclined plane (321) and the vertical plane (322).

4. The nut high-efficiency hot-heading auxiliary device as claimed in any one of claims 1-3, wherein a heat-resistant rubber strip (28) is fixed to an end of the splash plate (21) facing the punch (14).