CN212634177U

CN212634177U - Cold heading die

Info

Publication number: CN212634177U
Application number: CN202021131656.4U
Authority: CN
Inventors: 梁小龙; 龚继来; 任得余; 赵有为
Original assignee: Zhejiang Tianma Bearing Group Co Ltd
Current assignee: Zhejiang Tianma Bearing Group Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-02
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a cold-heading die, which belongs to the technical field of building cold-heading dies, and the technical proposal is characterized in that the cold-heading die comprises a fixed base, the middle position of the upper end of the fixed base is fixedly connected with a cold-heading die shell, four corners of the upper end of the fixed base are provided with bolt holes, the middle position of the inner side of the cold-heading die shell is provided with an inner core groove, an inner core is sleeved in the inner core groove, one side of the upper end of the cold-heading die shell is fixedly connected with an oil adding pipe, the middle position of the right side of the upper end of the fixed base is provided with a pressure plate groove, the middle position of the bottom of the pressure plate groove is fixedly connected with a buckle, and the middle of the buckle is movably connected with a connecting rotating shaft, the utility model can press one end of the pressure plate to lift the other end of the pressure plate, thereby save time and energy more to the convenience is processed different cold heading.

Description

Cold heading die

Technical Field

The utility model relates to a cold-heading mould technical field, in particular to cold-heading mould.

Background

The cold heading is a forging method for upsetting (usually local upsetting) and forming a metal bar by using a die at normal temperature. The heads, which are commonly used to make screws, bolts, rivets, etc., may be used in addition to or instead of machining.

After an accessory is finished in machining of the inner core of the existing cold heading die, the inner core needs to be replaced when the accessories with different sizes need to be machined, and the inner core is inconvenient to take out in the replacement process, so that time is wasted.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model provides a cold-heading mould thereby makes its other end rise through the one end of pressure movable clamp plate of the clamp plate that is equipped with to it rises to promote the inner core, thereby makes the inner core of convenience in with the cold-heading mould change, thereby saves time and energy more, thereby the convenience is processed the cold-heading of difference.

The utility model discloses a realize like this, a cold-heading mould, which comprises a fixed pedestal and i, unable adjustment base's upper end intermediate position fixedly connected with cold-heading mould shell, the bolt hole has been seted up in unable adjustment base's upper end four corners, the inner core groove has been seted up to the inboard intermediate position of cold-heading mould shell, the inner core has been cup jointed in the inner core groove, oil pipe is added to upper end one side fixedly connected with of cold-heading mould shell, unable adjustment base's upper end right side intermediate position is seted up and is pressed the board groove, the bottom intermediate position fixedly connected with buckle in press the board groove, swing joint has the connection pivot in the middle of the buckle, it has cup jointed the clamp plate to connect the.

Thereby conveniently take out in order to make more lubrication between inner core and the inner core groove that can be better, conduct the utility model relates to a cold-heading mould, the inside of cold-heading mould shell is provided with the oil storage room, one side fixedly connected with high accuracy of oil storage room leaks the net.

Carry out the pushing down in order can be better to the one end of clamp plate, conduct the utility model relates to a cold-heading mould, the dashpot has been seted up to the right-hand member bottom in clamp plate groove, the one end slope of dashpot set up and with one side fixed connection in the bottom of buckle.

Degree and pushing down the back and can reset in order to restriction that can be better, conduct the utility model relates to a cold-heading mould, the inside bottom intermediate position fixedly connected with gag lever post of dashpot, the lower extreme fixedly connected with buffer spring of gag lever post, buffer spring's upper end and clamp plate fixed connection.

Release the inner core in the inner core groove for can be better for with more convenient, conduct the utility model relates to a cold-heading mould, fixed surface is connected with the bracing piece on the other end of clamp plate, the upper end fixedly connected with push pedal of bracing piece.

Move about in the inner core groove in order to better messenger's push pedal, conduct the utility model relates to a cold-heading mould, the push pedal sets up in the length that the bottom of inner core groove and the length of push pedal are less than the inner core groove.

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

1. this kind of cold-heading mould, the clamp plate groove that is equipped with, buckle and clamp plate can make the clamp plate rotate through the connection pivot on the buckle through the one end of pressing the clamp plate to make the other end of clamp plate rise, thereby promote bracing piece and the push pedal of the clamp plate other end, thereby release the inner core through the push pedal, thereby change the inner core.

2. This kind of cold-heading mould, the one end grow of pushing down of messenger's clamp plate that the dashpot and buffer spring that are equipped with can be better to better release the inner core, then the clamp plate reconversion that can make after taking out at the inner core through buffer spring, thereby make its change that does not disturb the inner core.

Drawings

Fig. 1 is an overall structure diagram of a cold heading die of the utility model;

fig. 2 is an overall sectional view of the cold heading die of the present invention;

fig. 3 is an enlarged view of a portion a of the cold heading die of the present invention;

fig. 4 is an enlarged view of a portion B of the cold heading die of the present invention;

in the figure, 1, a base is fixed; 2. cold heading the die case; 3. an inner core groove; 4. an inner core; 5. a platen slot; 6. pressing a plate; 7. bolt holes; 8. adding an oil pipe; 9. an oil storage chamber; 10. high-precision net leakage; 11. buckling; 12. connecting the rotating shaft; 13. a buffer tank; 14. a limiting rod; 15. a buffer spring; 16. a support bar; 17. a push plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1-4, a cold-heading die, which comprises a fixed base 1, a cold-heading die shell 2 fixedly connected to the middle position of the upper end of the fixed base 1, bolt holes 7 formed in four corners of the upper end of the fixed base 1, an inner core groove 3 formed in the middle position of the inner side of the cold-heading die shell 2, an inner core 4 sleeved in the inner core groove 3, an oil adding pipe 8 fixedly connected to one side of the upper end of the cold-heading die shell 2, a pressing plate groove 5 formed in the middle position of the right side of the upper end of the fixed base 1, a buckle 11 fixedly connected to the middle position of the bottom of the pressing plate groove 5, a connecting rotating shaft 12 movably connected to the middle of the.

In this embodiment, unable adjustment base 1's upper end fixedly connected with cold-heading mould shell 2, add lubricating oil through adding oil pipe 8 to the oil storage chamber 9 in cold-heading mould shell 2, then put into inner core groove 3 with inner core 4, then fix unable adjustment base 1 through bolt hole 7, then process each part, when inner core 4 needs to be changed after processing is accomplished, push down through manual one end with clamp plate 6, then make the buffer spring 15 compression in buffer groove 13, then make clamp plate 6's the other end rise, thereby promote push pedal 17 through bracing piece 16 and rise, thereby release inner core 4, thereby the lubricating oil that adds leaks net 10 through the high accuracy that is equipped with and oozes and lubricate inner core groove 3, thereby make inner core 4 more conveniently take out.

As a technical optimization scheme, the inside of cold-heading mould shell 2 is provided with oil storage chamber 9, and one side fixedly connected with high accuracy of oil storage chamber 9 leaks net 10.

In this embodiment, an oil storage chamber 9 is provided inside the cold heading die shell 2, and a high-precision leakage net 10 is fixedly connected to one side of the oil storage chamber 9 to better lubricate between the inner core 4 and the inner core groove 3, so that the inner core can be taken out conveniently.

As a technical optimization scheme of the utility model, the dashpot 13 has been seted up to the right-hand member bottom of clamp plate groove 5, the one end slope of dashpot 13 set up and with buckle 11's one side fixed connection in bottom.

In this embodiment, the bottom of the right end of the pressure plate groove 5 is provided with a buffer groove 13, and one end of the buffer groove 13 is obliquely arranged and fixedly connected with one side of the bottom end of the buckle 11 so as to press down one end of the pressure plate 6 better.

As a technical optimization scheme of the utility model, the inside bottom intermediate position fixedly connected with gag lever post 14 of dashpot 13, the lower extreme fixedly connected with buffer spring 15 of gag lever post 14, buffer spring 15's upper end and 6 fixed connection of clamp plate.

In this embodiment, the middle position of the inner bottom end of the buffer slot 13 is fixedly connected with a limit rod 14, the lower end of the limit rod 14 is fixedly connected with a buffer spring 15, and the upper end of the buffer spring 15 is fixedly connected with the pressing plate 6 so as to be capable of being reset after being pressed down and in order to better limit the pressing degree.

As a technical optimization scheme of the utility model, fixed surface is connected with bracing piece 16 on the other end of clamp plate 6, the upper end fixedly connected with push pedal 17 of bracing piece 16.

In this embodiment, the supporting rod 16 is fixedly connected to the upper surface of the other end of the pressing plate 6, and the push plate 17 is fixedly connected to the upper end of the supporting rod 16 to better push out the inner core 4 in the inner core groove 3, so that the replacement is more convenient.

As a technical optimization scheme of the utility model, the push pedal 17 sets up in the length that the bottom of inner core groove 3 and push pedal 17 are less than inner core groove 3.

In the present embodiment, the push plate 17 is disposed at the bottom of the core groove 3, and the length of the push plate 17 is smaller than that of the core groove 3, so that the push plate 17 can move in the core groove 3 better.

The working principle is as follows: firstly, fix unable adjustment base 1 through bolt hole 7, then add lubricating oil in oil storage chamber 9 to the cold-heading mould shell 2 through adding oil pipe 8, then put into inner core groove 3 with inner core 4, then process each part, when needing to change inner core 4 after the processing is accomplished, push down through manual one end with clamp plate 6, then make the buffer spring 15 compression in the buffer groove 13, then make clamp plate 6's the other end rise, thereby promote push pedal 17 through bracing piece 16 and rise, thereby release inner core 4, thereby the lubricating oil that adds leaks net 10 through the high accuracy that is equipped with and oozes and lubricate inner core groove 3, thereby make inner core 4 more conveniently take out, it makes it reset under buffer spring 15's effect to release clamp plate 6 after taking out inner core 4, then it can to change inner core 4.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a cold-heading mould, includes unable adjustment base (1), its characterized in that: the upper end intermediate position fixedly connected with cold-heading mould shell (2) of unable adjustment base (1), bolt hole (7) have been seted up in the upper end four corners of unable adjustment base (1), inner core groove (3) have been seted up to the inboard intermediate position of cold-heading mould shell (2), inner core (4) have been cup jointed in inner core groove (3), upper end one side fixedly connected with of cold-heading mould shell (2) adds oil pipe (8), upper end right side intermediate position of unable adjustment base (1) is seted up and is pressed plate groove (5), bottom intermediate position fixedly connected with buckle (11) of pressed plate groove (5), swing joint has pivot (12) in the middle of buckle (11), it has clamp plate (6) to connect pivot (12) to have cup jointed.

2. A cold heading die as claimed in claim 1, wherein: the inside of cold-heading mould shell (2) is provided with oil storage chamber (9), one side fixedly connected with high accuracy of oil storage chamber (9) leaks net (10).

3. A cold heading die as claimed in claim 1, wherein: buffer slot (13) have been seted up to the right-hand member bottom in clamp plate groove (5), the one end slope of buffer slot (13) sets up and with one side fixed connection of the bottom of buckle (11).

4. A cold heading die as claimed in claim 3, wherein: the buffer structure is characterized in that a limiting rod (14) is fixedly connected to the middle position of the bottom end in the buffer groove (13), a buffer spring (15) is fixedly connected to the lower end of the limiting rod (14), and the upper end of the buffer spring (15) is fixedly connected with the pressing plate (6).

5. A cold heading die as claimed in claim 1, wherein: the upper surface of the other end of the pressing plate (6) is fixedly connected with a supporting rod (16), and the upper end of the supporting rod (16) is fixedly connected with a push plate (17).

6. A cold heading die according to claim 5, wherein: the push plate (17) is arranged at the bottom of the inner core groove (3), and the length of the push plate (17) is smaller than that of the inner core groove (3).