CN217044442U

CN217044442U - Fork-shaped piece precision die forging device of automobile transmission shaft

Info

Publication number: CN217044442U
Application number: CN202220758214.5U
Authority: CN
Inventors: 华国伟
Original assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Current assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-26
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a fork-shaped part precision die forging device of an automobile transmission shaft, which comprises a base, a fixing frame, a lower die and an upper die, wherein the top of the base is fixedly connected with a supporting rod, the periphery of the top of the supporting rod is fixedly connected with the fixing frame, the upper end of the base is fixedly connected with a supporting seat, the inner side of the inner cavity of the upper surface of the supporting seat is provided with the lower die, and the bottom end of the lower die is provided with an ejection mechanism; the utility model relates to a precision die forging device technical field. This accurate die forging device of forked piece of automobile transmission shaft, under the elastic force through at first spring, can drive the bed die rebound, and it is ejecting with the forked piece that the punching press was accomplished, when the moving die board carries out the punching press next time simultaneously, the template can promote the forked piece that the punching press was accomplished and move to one side, make things convenient for taking out of the forked piece that the punching press was accomplished, first spring, the guide bar is convenient for the stability in the stamping process of backup pad and bed die with the stopper, and ensure the vertical decurrent course of motion of bed die.

Description

Fork-shaped piece precision die forging device of automobile transmission shaft

Technical Field

The utility model relates to a precision die forging device technical field specifically is the fork-shaped spare precision die forging device of car transmission shaft.

Background

The die forging is a forging method in which a blank is formed by a die on a special die forging apparatus to obtain a forged part. The forging produced by the method has the advantages of accurate size, small machining allowance, complex structure and high productivity. The die forging process has high production efficiency, low labor intensity and accurate size, and can forge forgings with complex shapes; is suitable for batch production.

The existing fork-shaped piece precision die forging device for the automobile transmission shaft is still very difficult to demould in the actual production process, the product is seriously scrapped, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fork shape spare precision die forging device of car transmission shaft has solved current precision die forging device, and the drawing of patterns is still very difficult when using, and the product is scrapped seriously, problem that production efficiency is low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the fork-shaped piece precision die forging device of the automobile transmission shaft comprises a base, a fixing frame, a lower die and an upper die, wherein a supporting rod is fixedly connected to the top of the base, the fixing frame is fixedly connected to the periphery of the top of the supporting rod, a supporting seat is fixedly connected to the upper end of the base, the lower die is arranged in the inner cavity of the upper surface of the supporting seat, an ejection mechanism is arranged at the bottom end of the lower die, a compression molding mechanism is arranged on the fixing frame, and a T-shaped plate is arranged below the compression molding mechanism; the ejection mechanism comprises two groups of grooves formed in the top of the base, a first spring fixedly connected with the inner wall of each groove, moving grooves which are communicated with one another are formed in the top of the base and the bottom of the supporting seat, supporting plates are connected in the moving grooves in a sliding mode, the bottom of each supporting plate is fixedly connected with the top of the first spring, guide rods symmetrical to the top of each supporting plate are fixedly connected with stoppers, second sliding grooves are formed in the inner wall of the supporting seat, and the stoppers are located in the second sliding grooves and connected with the supporting seat in a sliding mode.

Preferably, the bottom fixedly connected with positioning seat of mount, and the positioning seat is provided with the distance with the top of T template, the top of mount is provided with the fixed disk, fixed connection is carried out through the bolt to fixed disk and positioning seat.

Preferably, the press forming mechanism comprises a top hydraulic oil cylinder fixedly mounted with the fixed disc, a groove is formed in the fixed disc, a sliding disc is connected in the groove in a sliding mode, the output end of the hydraulic oil cylinder is fixedly connected with the top of the sliding disc, a connecting rod is fixedly connected with the bottom end of the sliding disc, the bottom end of the connecting rod penetrates through the fixed frame and is fixedly connected with the top of the upper die, positioning rods are fixedly connected to the two ends of the sliding disc, and the bottom end of each positioning rod penetrates through the fixed frame and the positioning seat respectively.

Preferably, the position of the upper die corresponds to the position of the lower die, and the upper die is located right above the lower die.

Preferably, a gap is arranged between the bottom end of the T-shaped plate and the top of the supporting seat, and a template is arranged between the gaps.

Preferably, the periphery of the top of the T-shaped plate is fixedly connected with a sliding column, the top of the sliding column penetrates through the fixed frame, a movable block is fixedly connected onto the sliding column, the top of the movable block is abutted against the bottom of the fixed frame, a second spring is sleeved on the sliding column, and two ends of the second spring are abutted against the top of the T-shaped plate and the bottom of the movable block respectively.

Advantageous effects

The utility model provides a fork precision die forging device of car transmission shaft. Compared with the prior art, the method has the following beneficial effects: this accurate die forging device of forked piece of car transmission shaft, through under the elastic force of first spring, can promote the backup pad to be located the shifting chute and upwards move, and drive bed die rebound, and ejecting the forked piece that the punching press was accomplished, simultaneously when the movable mould board carries out the punching press next time, the template can promote the forked piece that the punching press was accomplished and move to one side, make things convenient for taking out of the forked piece that the punching press was accomplished, first spring, the guide bar is convenient for the stability of backup pad and bed die in the punching press in-process with the stopper, and ensure the vertical decurrent motion process of bed die, current accurate die forging device has been solved, the drawing of patterns is still very difficult when using, the product is scrapped seriously, the problem of production efficiency low.

Drawings

Fig. 1 is an external structure diagram of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a schematic view of a part of the structure of the T-shaped plate and the fixing frame of the present invention.

In the figure: 1. a base; 2. a fixed mount; 3. a supporting seat; 4. a lower die; 5. an upper die; 6. an ejection mechanism; 7. a press forming mechanism; 8. a T-shaped plate; 9. a template; 101. a support bar; 201. positioning seats; 202. fixing the disc; 203. a bolt; 301. a chute; 601. a first spring; 602. a moving groove; 603. a support plate; 604. a guide rod; 605. a limiting block; 701. a hydraulic cylinder; 702. a sliding disk; 703. positioning a rod; 704. a connecting rod; 801. a traveler; 802. a moving block; 803. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the fork-shaped part precision die forging device of the automobile transmission shaft comprises a base 1, a fixing frame 2, a lower die 4 and an upper die 5, wherein the top of the base 1 is fixedly connected with a supporting rod 101, the periphery of the top of the supporting rod 101 is fixedly connected with the fixing frame 2, the upper end of the base 1 is fixedly connected with a supporting seat 3, the inner side of the inner cavity of the upper surface of the supporting seat 3 is provided with the lower die 4, the bottom end of the lower die 4 is provided with an ejection mechanism 6, the fixing frame 2 is provided with a press forming mechanism 7, and a T-shaped plate 8 is arranged below the press forming mechanism 7; the ejection mechanism 6 comprises two groups of grooves formed in the top of a base 1, the inner walls of the grooves are fixedly connected with a first spring 601, the top of the base 1 and the bottom end of a supporting seat 3 are provided with mutually communicated moving grooves 602, supporting plates 603 are slidably connected in the moving grooves 602, the top of each supporting plate 603 is fixedly connected with the bottom end of a lower die 4, the bottom ends of the supporting plates 603 are fixedly connected with the top of the first spring 601, the top of each supporting plate 603 is fixedly connected with symmetrical guide rods 604, limiting blocks 605 are fixedly connected on the guide rods 604, the inner wall of the supporting seat 3 is provided with a second sliding groove 301, and the limiting blocks 605 are positioned in the second sliding grooves 301 and are slidably connected with the supporting seat 3; the bottom end of the fixing frame 2 is fixedly connected with a positioning seat 201, a distance is reserved between the positioning seat 201 and the top of the T-shaped plate 8, a fixing disc 202 is arranged on the top of the fixing frame 2, and the fixing disc 202 is fixedly connected with the positioning seat 201 through a bolt 203; the press forming mechanism 7 comprises a top hydraulic oil cylinder 701 fixedly provided with a fixed disc 202, a groove is formed in the fixed disc 202, a sliding disc 702 is connected in the groove in a sliding manner, the output end of the hydraulic oil cylinder 701 is fixedly connected with the top of the sliding disc 702, the bottom end of the sliding disc 702 is fixedly connected with a connecting rod 704, the bottom end of the connecting rod 704 penetrates through the fixed frame 2 and is fixedly connected with the top of the upper die 5, two ends of the sliding disc 702 are fixedly connected with positioning rods 703, the positioning rods 703 are used for stabilizing the downward movement of the sliding disc 702, and the bottom ends of the positioning rods 703 respectively penetrate through the fixed frame 2 and the positioning seat 201; the position of the upper die 5 corresponds to the position of the lower die 4, and the upper die 5 is positioned right above the lower die 4; a space is arranged between the bottom end of the T-shaped plate 8 and the top of the supporting seat 3, and a template 9 is arranged between the spaces; fixedly connected with traveller 801 all around at the top of T template 8, the top of traveller 801 runs through to mount 2, fixedly connected with movable block 802 on the traveller 801, the one end of movable block 802 and the one end fixed connection of positioning seat 201, and the top of movable block 802 contradicts each other with the bottom of mount 2, the cover is equipped with second spring 803 on the traveller 801, and the both ends of second spring 803 contradict each other with T template 8's top and movable block 802 bottom respectively.

And those not described in detail in this specification are well within the skill of those in the art.

When the fork-shaped part precision die forging of an automobile transmission shaft is carried out, a template 9 to be processed is moved to the space between a T-shaped plate 8 and a supporting seat 3, the template 9 is pushed to be positioned at the top of a lower die 4, a sliding disc 702, a positioning rod 703, a connecting rod 704 and an upper die 5 are driven to move downwards through a hydraulic oil cylinder 701, the pressure of the hydraulic oil cylinder 701 is enabled to punch the template 9 through the upper die 5, the template is formed in one step, meanwhile, in the punching process, the upper die 5 can push the lower die 4 to move downwards, the lower die 4 can drive a supporting plate 603 to be positioned in a moving groove 602 to move downwards, the supporting plate 603 can drive a limiting block 605 to be positioned in a sliding groove 301 to move downwards, the supporting plate 603 can compress a first spring 601 in the downward moving process, in the upward moving process of the upper die 5 after the punching is finished, under the elastic acting force of the first spring 601, can promote backup pad 603 and be located the rebound of shifting chute 602, and drive bed die 4 rebound, and it is ejecting with the forked piece that the punching press was accomplished, when the next punching press is carried out at movable die plate 9 simultaneously, template 9 can promote the forked piece that the punching press was accomplished and move to one side, make things convenient for taking out of the forked piece that the punching press was accomplished, first spring 601, guide bar 604 and stopper 605 be convenient for backup pad 603 and the stability of bed die 4 in the punching press in-process, and ensure the vertical decurrent course of motion of bed die 4, above that is the theory of operation of the forked piece precision forging device of automotive transmission shaft.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Accurate die forging device of forked piece of automobile transmission shaft, including base (1), mount (2), bed die (4), go up mould (5), its characterized in that: the top of the base (1) is fixedly connected with a supporting rod (101), the periphery of the top of the supporting rod (101) is fixedly connected with a fixing frame (2), the upper end of the base (1) is fixedly connected with a supporting seat (3), a lower die (4) is arranged in the inner cavity of the upper surface of the supporting seat (3), the bottom end of the lower die (4) is provided with an ejection mechanism (6), the fixing frame (2) is provided with a compression molding mechanism (7), and a T-shaped plate (8) is arranged below the compression molding mechanism (7);

the ejection mechanism (6) comprises two groups of grooves formed in the top of the base (1), a first spring (601) fixedly connected to the inner wall of each groove, moving grooves (602) communicated with each other are formed in the top of the base (1) and the bottom of the supporting seat (3), supporting plates (603) are slidably connected in the moving grooves (602), the bottom ends of the supporting plates (603) are fixedly connected with the top of the first spring (601), symmetrical guide rods (604) are fixedly connected to the top of the supporting plates (603), limiting blocks (605) are fixedly connected to the guide rods (604), second sliding grooves (301) are formed in the inner wall of the supporting seat (3), and the limiting blocks (605) are located in the second sliding grooves (301) and are slidably connected with the supporting seat (3).

2. The fork precision swaging apparatus of an automotive drive shaft according to claim 1, wherein: the bottom fixedly connected with positioning seat (201) of mount (2), and positioning seat (201) are provided with the distance with the top of T template (8), the top of mount (2) is provided with fixed disk (202), fixed disk (202) carry out fixed connection through bolt (203) with positioning seat (201).

3. The fork precision swaging apparatus of an automotive drive shaft according to claim 2, wherein: the press forming mechanism (7) comprises a top hydraulic oil cylinder (701) fixedly installed on the fixed disc (202), a groove is formed in the fixed disc (202), a sliding disc (702) is connected in the groove in a sliding mode, the output end of the hydraulic oil cylinder (701) is fixedly connected with the top of the sliding disc (702), a connecting rod (704) is fixedly connected to the bottom of the sliding disc (702), the bottom of the connecting rod (704) penetrates through the fixing frame (2) and is fixedly connected with the top of the upper die (5), locating rods (703) are fixedly connected to the two ends of the sliding disc (702), and the bottom of the locating rods (703) penetrates through the fixing frame (2) and the locating seat (201) respectively.

4. The fork precision swaging apparatus of an automotive drive shaft according to claim 3, wherein: the position of the upper die (5) corresponds to the position of the lower die (4), and the upper die (5) is positioned right above the lower die (4).

5. The fork precision swaging apparatus of an automotive drive shaft according to claim 1, wherein: and a space is arranged between the bottom end of the T-shaped plate (8) and the top of the supporting seat (3), and a template (9) is arranged between the spaces.

6. The fork precision swaging apparatus of an automotive drive shaft according to claim 5, wherein: the top of T template (8) is fixedly connected with traveller (801) all around, the top of traveller (801) runs through to mount (2), fixedly connected with movable block (802) on traveller (801), and the top of movable block (802) and the bottom of mount (2) are contradicted each other, the cover is equipped with second spring (803) on traveller (801), and the both ends of second spring (803) respectively with the top of T template (8) and the bottom of movable block (802) contradict each other.