CN220178074U

CN220178074U - Cold header for producing carbon-carbon nut and bolt

Info

Publication number: CN220178074U
Application number: CN202321587916.2U
Authority: CN
Inventors: 杨富华; 蒋甲忠; 姚卫峰
Original assignee: Tai'an Hongfei Carbon Fiber Products Co ltd
Current assignee: Tai'an Hongfei Carbon Fiber Products Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-15
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a cold header for producing carbon-carbon nut bolts, and belongs to the technical field of carbon-carbon nut bolt processing. The cold header for producing the carbon-carbon nut bolt comprises a workbench and two independent lower dies arranged on the workbench, wherein the two lower dies are provided with round cavities formed when being overlapped, two symmetrical fixing frames are fixed at the top of the workbench, and air cylinders connected with the corresponding surfaces of the lower dies are arranged on the surfaces of the fixing frames; the utility model discloses a guide piece formed by a connecting plate, a guide rod, a round block and a telescopic spring, which aims to enable a cylinder to have certain resistance when being pulled by a lower die under the compression buffering of the guide piece, reduce the pulling speed of the cylinder to the lower die, facilitate the smooth and slow separation of the two lower dies, automatically drop a formed carbon-carbon nut bolt workpiece from a guide groove to a collecting box for collecting, and ensure that the cold header has the characteristic of being convenient for discharging after the carbon-carbon nut bolt is formed.

Description

Cold header for producing carbon-carbon nut and bolt

Technical Field

The utility model relates to the technical field of carbon-carbon nut bolt processing, in particular to a cold header for producing carbon-carbon nut bolts.

Background

The carbon-carbon nut bolt refers to a product obtained by a CNC numerical control machining center and precision machining of a carbon-carbon composite material, when the carbon-carbon nut bolt is produced, a cold header is generally required to be used for upsetting the heads of the bolt and the screw by adopting a cold upsetting method, so that cutting work can be reduced as much as possible, the carbon-carbon nut bolt is directly formed into a required shape and size, and the machining steps of the cold header generally comprise feeding, cutting, forming and discharging.

When carrying out cold heading shaping to some slender carbon-carbon nut bolts, its master mould needs to match with the length of this carbon-carbon nut bolt, and then the length of master mould is longer, just so make this carbon-carbon nut bolt be difficult for taking out in the die cavity of master mould, and work piece just surface temperature is very high after the shaping of working simultaneously, if not in time cooling down, just need wait for a long time just can take away the work piece, result in the inefficiency to this carbon-carbon nut bolt follow-up processing, if work piece surface temperature is after not cooling down completely, and directly take up, still can cause the scald phenomenon to the staff, therefore, the utility model proposes a carbon-carbon nut bolt production cold heading machine to this problem.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a cold header for producing a carbon-carbon nut bolt.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a carbon nut bolt production cold heading machine, includes the workstation and sets up two independent lower moulds on the workstation, two the lower mould has the circular chamber that forms when the coincidence, the top of workstation is fixed with two symmetrical mounts, the surface mounting of mount has the cylinder of corresponding surface connection with the lower mould, be equipped with two symmetries on the mount and with lower mould surface connection's guide, the top of workstation is equipped with the baffle box of intercommunication, be equipped with the collection box that the top is open-ended between the inside wall of workstation, be equipped with the spraying mechanism that corresponds with collection box top on the inside wall of workstation.

Preferably, the guide piece comprises a connecting plate fixed on the fixing frame, a guide rod fixed on the surface of the lower die slides in the connecting plate, and a round block attached to the surface of the connecting plate is fixed at the other end of the guide rod.

Preferably, the surface of the guide rod is sleeved with a telescopic spring, and the telescopic spring is fixed between the connecting plate and the corresponding surface of the lower die.

Preferably, the guide grooves are correspondingly arranged above the top of the collecting box and between central axes of the bottoms of the two lower dies when the two lower dies are overlapped.

Preferably, the spraying mechanism comprises two water spraying pipes which are symmetrically and obliquely arranged on the inner side wall of the workbench, the other ends of the water spraying pipes extend to the outside of the workbench and are communicated with transverse pipes, the surfaces of the transverse pipes are communicated with water inlet pipes, the other ends of the water inlet pipes are communicated with a water storage tank arranged at the inner bottom wall of the workbench, and the surfaces of the water inlet pipes are provided with water pumps.

Preferably, the water inlet pipe and the transverse pipe are both hard pipes, and the water spraying pipe is a hose.

Preferably, one end of the water inlet pipe, which is positioned in the water storage tank, is provided with a filter screen port.

Preferably, guide flow openings are uniformly distributed on the inner bottom wall of the collecting box, and the bottom diameter of the collecting box is smaller than the top diameter of the water storage tank.

Compared with the prior art, the utility model provides the cold header for producing the carbon-carbon nut bolt, which has the following beneficial effects:

1. this carbon nut bolt production cold heading machine, the guide that constitutes through connecting plate, guide bar, circular piece and expansion spring is in order to make the cylinder have certain resistance when pulling the lower mould under the compression buffering of guide, reduces the speed that the cylinder was pulled the lower mould, helps two lower moulds steady slow separation, with the carbon nut bolt work piece after the shaping, automatically from the baffle box fall in the collection box collect, guaranteed this cold heading machine to carbon nut bolt behind the shaping, have the characteristics of being convenient for the ejection of compact.

2. This carbon nut bolt production cold heading machine, spray mechanism through structures such as spray pipe, violently manage, inlet tube, storage water tank and water pump is convenient for cool down to collecting box in the work piece, can reduce the thermal cooling time in work piece surface like this, can also avoid the work piece when the staff takes simultaneously, and its surface heat causes the problem emergence that the staff scalds after not completely cold region.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a cold header for producing a carbon-carbon nut bolt;

FIG. 2 is an exploded view of the lower die and the workbench of a cold header for producing carbon-carbon nut bolts;

FIG. 3 is a cross-sectional view of a collecting box of a cold header for producing carbon-carbon nut bolts;

fig. 4 is a schematic diagram of a connection structure between a lower die and a guide member of a cold header for producing carbon-carbon nut bolts according to the present utility model;

fig. 5 is a schematic diagram of a connection structure between a spray pipe and a workbench of a cold header for producing carbon-carbon nut bolts.

In the figure: 1. a work table; 2. a lower die; 3. a circular cavity; 4. a fixing frame; 5. a cylinder; 6. a guide member; 61. a connecting plate; 62. a guide rod; 63. a circular block; 64. a telescopic spring; 7. a guide groove; 8. a collection box; 9. a spraying mechanism; 91. a water spray pipe; 92. a transverse tube; 93. a water inlet pipe; 94. a water storage tank; 95. a water pump; 96. a filter screen port; 10. and a flow guiding port.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements 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.

Referring to fig. 1-5, a cold header for producing carbon-carbon nut bolts comprises a workbench 1 and two independent lower dies 2 arranged on the workbench 1, wherein a circular cavity 3 is formed when the two lower dies 2 are overlapped, two symmetrical fixing frames 4 are fixed at the top of the workbench 1, air cylinders 5 connected with the corresponding surfaces of the lower dies 2 are arranged on the surface of the fixing frames 4, two symmetrical guide pieces 6 connected with the surfaces of the lower dies 2 are arranged on the fixing frames 4, a communicated guide groove 7 is arranged at the top of the workbench 1, a collecting box 8 with an opening at the top end is arranged between the inner side walls of the workbench 1, and a spraying mechanism 9 corresponding to the top of the collecting box 8 is arranged on the inner side walls of the workbench 1.

In the utility model, in order to facilitate the carbon-carbon nut bolt to have the characteristic of being convenient for taking out and discharging after being formed by the cold header, two independent lower dies 2 are respectively connected with corresponding air cylinders 5, when the two air cylinders 5 do opposite linear movements respectively, the two corresponding lower dies 2 are separated from each other, thus the two lower dies 2 are overlapped with the workpiece formed in the circular cavity 3 in advance, and the workpiece can fall into a collecting box 8 from a guide chute 7 for collecting under the separation of the two lower dies 2, and the whole process does not need to be taken out manually, thus the utility model has the characteristic of automatic taking out;

meanwhile, in order to improve the stability of the cylinder 5 for slowly pulling the lower die 2, a guide piece 6 connected with the surface of the lower die 2 is arranged on a fixing frame 4 connected with the cylinder 5, when the cylinder 5 pulls the lower die 2, a telescopic spring 64 and a guide rod 62 fixed on the surface of the lower die 2 move and compress to the surface corresponding to a connecting plate 61, so that the cylinder 5 can stably pull the lower die 2, and simultaneously, the pulling speed of the cylinder 5 can be reduced, the two lower dies 2 can be better matched with a workpiece formed between the two lower dies 2 under the slow separation, and the workpiece enters a collecting box 8 through a guide groove 7 for collection;

in addition, the inclined spray pipe 91 is further designed at the inner side wall of the workbench 1 to correspond to the top end opening of the collecting box 8, so that when the water pump 95 guides the cooling water stored in the water storage tank 94 into the spray pipe 91 through the water inlet pipe 93 and the transverse pipe 92, the water in the spray pipe 91 can be sprayed to the workpiece collected in the collecting box 8 for cooling treatment, and thus compared with the workpiece, the cooling treatment efficiency of the workpiece in natural cooling is higher.

Referring to fig. 4, the guide 6 includes a connection plate 61 fixed to the fixing frame 4, a guide bar 62 fixed to the surface of the lower die 2 is slid inside the connection plate 61, and a circular block 63 fitted to the surface of the connection plate 61 is fixed to the other end of the guide bar 62.

According to the utility model, the guide piece 6 is designed to improve the smooth pulling of the lower die 2 by the air cylinder 5, and simultaneously reduce the pulling speed of the lower die 2 by the air cylinder 5, so that the two lower dies 2 can be slowly separated and more stably enter the collecting box 8 for collecting through the guide groove 7, wherein the collecting box 8 designed at the inner side wall of the workbench 1 is required to be disassembled, and thus, the cooled workpiece in the collecting box 8 can be taken out from the space between the inner side walls of the workbench 1 for subsequent processing.

Referring to fig. 4, the surface of the guide rod 62 is sleeved with a telescopic spring 64, and the telescopic spring 64 is fixed between the connecting plate 61 and the corresponding surface of the lower die 2.

In the utility model, the telescopic spring 64 is sleeved on the surface of the guide rod 62, so that when the lower die 2 is pulled by the air cylinder 5, a certain resistance is provided under the elasticity of the telescopic spring 64, and the air cylinder 5 can be ensured to smoothly and slowly realize the separation and discharge of the lower die 2.

Referring to fig. 3, the guide chute 7 corresponds above the top of the collection box 8 and between the central axes of the bottoms of the two lower molds 2 when they are coincident.

In the utility model, the guide chute 7 corresponds to the bottom of the superposition of the two lower dies 2 and corresponds to the top of the collecting box 8, so that the two lower dies 2 can be conveniently and automatically discharged from the guide chute 7 into the collecting box 8 for collecting when being separated.

Referring to fig. 1-2, the spraying mechanism 9 comprises two water spraying pipes 91 which are symmetrically and obliquely arranged on the inner side wall of the workbench 1, the other ends of the water spraying pipes 91 extend to the outside of the workbench 1 and are communicated with a transverse pipe 92, the surface of the transverse pipe 92 is communicated with a water inlet pipe 93, the other ends of the water inlet pipe 93 are communicated with a water storage tank 94 arranged at the inner bottom wall of the workbench 1, and the surface of the water inlet pipe 93 is provided with a water pump 95.

According to the utility model, through the design of the spraying mechanism 9, the workpiece collecting box is mainly used for rapidly cooling the workpiece collected in the collecting box 8, so that the workpiece subjected to cooling post-treatment can rapidly enter the next working procedure for continuous processing, and the efficiency of the production and processing of the carbon-carbon nut bolt can be improved.

Referring to fig. 1-2, the water inlet pipe 93 and the horizontal pipe 92 are both hard pipes, and the water spraying pipe 91 is a hose.

In the utility model, the water inlet pipe 93 and the transverse pipe 92 are hard pipes, so that the water pump 95 arranged on the surface of the water inlet pipe 93 can be supported conveniently, and the stability of the water inlet pipe 93 and the transverse pipe 92 after being used can be ensured.

Referring to fig. 3, the end of the inlet pipe 93 inside the water storage tank 94 is provided with a filter screen port 96.

In the utility model, the design of the filter screen port 96 is mainly used for preventing impurities in the water storage tank 94 from entering the water inlet pipe 93 to cause blockage.

Referring to fig. 3, the inner bottom wall of the collecting box 8 is uniformly provided with guide openings 10, and the bottom diameter of the collecting box 8 is smaller than the top diameter of the water storage tank 94.

In the utility model, the design of the diversion port 10 is used for ensuring that water sprayed into the collecting box 8 in the spraying mechanism 9 can flow back into the water storage tank 94 for recycling, thereby being beneficial to saving the consumption of cooling water.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a carbon-carbon nut bolt production cold header, its characterized in that, including workstation (1) and setting two independent lower mould (2) on workstation (1), two have circular chamber (3) of formation when coincidence lower mould (2), the top of workstation (1) is fixed with two symmetrical mount (4), the surface mounting of mount (4) has cylinder (5) corresponding surface connection with lower mould (2), be equipped with two symmetries on mount (4) and with guide (6) of lower mould (2) surface connection, the top of workstation (1) is equipped with baffle box (7) of intercommunication, be equipped with collecting box (8) that the top is the open-ended between the inside wall of workstation (1), be equipped with on the inside wall of workstation (1) with collecting box (8) top correspond spray mechanism (9).

2. The cold header for producing the carbon-carbon nut and bolt according to claim 1, wherein the guide member (6) comprises a connecting plate (61) fixed on the fixing frame (4), a guide rod (62) fixed on the surface of the lower die (2) slides inside the connecting plate (61), and a circular block (63) attached to the surface of the connecting plate (61) is fixed at the other end of the guide rod (62).

3. The cold header for producing the carbon-carbon nut and bolt according to claim 2, wherein the surface of the guide rod (62) is sleeved with a telescopic spring (64), and the telescopic spring (64) is fixed between the connecting plate (61) and the corresponding surface of the lower die (2).

4. The cold header for producing the carbon-carbon nut and bolt according to claim 1, wherein the guide groove (7) is correspondingly arranged above the top of the collecting box (8) and between central axes of the bottoms of the two lower dies (2) when the bottoms are overlapped.

5. The cold header for producing carbon-carbon nut bolts according to claim 1, wherein the spraying mechanism (9) comprises two water spraying pipes (91) which are symmetrically and obliquely arranged on the inner side wall of the workbench (1), the other ends of the water spraying pipes (91) extend to the outside of the workbench (1) and are communicated with transverse pipes (92), the surfaces of the transverse pipes (92) are communicated with water inlet pipes (93), the other ends of the water inlet pipes (93) are communicated with water storage tanks (94) which are arranged at the inner bottom wall of the workbench (1), and the water pump (95) is arranged on the surface of the water inlet pipe (93).

6. The cold header for producing carbon-carbon nut and bolt according to claim 5, wherein the water inlet pipe (93) and the transverse pipe (92) are both hard pipes, and the water spraying pipe (91) is a hose.

7. The cold header for producing carbon-carbon nut and bolt according to claim 5, wherein one end of the water inlet pipe (93) positioned in the water storage tank (94) is provided with a filter screen port (96).

8. The cold header for producing the carbon-carbon nut and bolt according to claim 1, wherein guide ports (10) are uniformly distributed on the inner bottom wall of the collecting box (8), and the bottom diameter of the collecting box (8) is smaller than the top diameter of the water storage tank (94).