CN212042205U - Novel forge hook tail frame framework trimming mechanism - Google Patents
Novel forge hook tail frame framework trimming mechanism Download PDFInfo
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- CN212042205U CN212042205U CN202020277099.0U CN202020277099U CN212042205U CN 212042205 U CN212042205 U CN 212042205U CN 202020277099 U CN202020277099 U CN 202020277099U CN 212042205 U CN212042205 U CN 212042205U
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Abstract
The utility model relates to a novel forge hook tail frame body trimming mechanism for the side cut and the ejection of compact of hook tail frame body forging on the side cut press, its characterized in that: the trimming die comprises a trimming female die fixedly arranged on a combined die holder of a trimming press workbench, and an inclined part is arranged on a long edge of the trimming female die; a trimming discharging mechanism is arranged below the trimming female die, a T-shaped slide rail is arranged at the bottom of the trimming discharging mechanism, the T-shaped slide rail is matched with a T-shaped screw arranged on the trimming press, and the trimming discharging mechanism reciprocates along the length direction of the trimming press; the drift of side cut press is fixed to be located side cut press's drift backplate below, and both ends all are equipped with elastic discharge mechanism around the drift. The utility model discloses simple structure can effectively reduce the shearing force when the coupler tail frame is cut edge, makes coupler tail frame forge hot piece non-deformable, and the protection press, and can get rid of the overlap on the drift automatically, reduces workman's intensity of labour, transports the coupler tail frame of accomplishing the side cut automatically, realizes automated production.
Description
Technical Field
The utility model relates to a forge technical field, concretely relates to novel forge hook tail frame body trimming mechanism.
Background
The coupler yoke is an important component of a coupler buffer device of a railway freight car, and can directly complete the transmission work of longitudinal force between cars when the cars are pulled, linked and buffered. As China railway freight is developed towards heavy load and high speed, the original cast coupler yoke can not meet the practical requirements of railway transportation. According to the requirements of the railway department, the original cast coupler yoke frame is completely replaced by a forged coupler yoke frame. The forged coupler tail frame is integrally of a long-square-shaped hollow frame body structure, the forging coupler tail is required to be produced by a forging and welding structure process in the railway department, namely the coupler tail frame is decomposed into two forged pieces, namely a frame body and a connecting plate, which are forged respectively, the connecting plate and the frame body are assembled and welded together after the frame body is bent and formed, and as shown in figure 6, the requirement of a finished product is met after machining. The whole forged coupler yoke is of a long-square-shaped hollow frame structure, a typical long-shaft forge piece is arranged before bending, and the process flow is as follows: blanking → induction heating → roll forging → preforging, finish forging → trimming → bending → correction → combination welding → heat treatment → shot blasting → machining → surface treatment → packaging → warehousing. The projection perimeter of the notch of the hook tail frame hot forging piece is long, and the shearing force is large and easy to deform when the hook tail frame is trimmed. Because the finish forging of the coupler yoke frame body is a straight long forging, the following technical problems and quality problems exist during trimming: the trimming force is large, and the equipment load is easily exceeded; the cut forged piece flash can be sleeved on the punch, so that the discharging is difficult; due to the large trimming force, the trimming of the forged piece is easy to deform.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a novel forge hook tail frame body trimming mechanism can effectively reduce the shearing force of side cut in-process, realizes automatic discharge, reduces workman intensity of labour to realize side cut back hook tail frame forging automatic transfer out side cut press, realize automated production.
In order to realize the above function, the utility model adopts the following technical scheme: the utility model provides a novel forge hook tail frame body trimming mechanism for the side cut and the ejection of compact of hook tail frame body forging on the side cut press, its characterized in that: the trimming die comprises a trimming female die fixedly arranged on a combined die holder of a trimming press workbench, wherein an inclined part is arranged on a long edge of the trimming female die; a trimming discharging mechanism is arranged below the trimming female die, a T-shaped slide rail is arranged at the bottom of the trimming discharging mechanism, the T-shaped slide rail is matched with a T-shaped screw arranged on the trimming press, and the trimming discharging mechanism reciprocates along the length direction of the trimming press; the punch of the trimming press is fixedly arranged below a punch back plate of the trimming press, and elastic discharging mechanisms are arranged at the front end and the rear end of the punch.
Further, the inclined part comprises a first inclined part which is arranged on the outer side and gradually decreases from outside to inside, and an included angle between the first inclined part and the horizontal direction is 3-6 degrees; the inclined angle between the first inclined part and the vertical direction is 25-35 degrees, and the first inclined part and the second inclined part are in smooth transition.
Furthermore, the trimming and discharging mechanism is provided with a sunken positioning part, and two sides of the positioning part are respectively provided with a supporting block.
The elastic unloading mechanism further comprises unloading plates which are fixedly connected with the two ends of the punch head in a lifting mode through a compression elastic piece, the unloading plates are horizontally arranged, and the inner ends of the unloading plates are in contact with the punch head.
Furthermore, the compression elastic part is a cylindrical helical spring, the upper end of the cylindrical helical spring is fixedly connected with the punch back plate, the lower end of the cylindrical helical spring is fixedly connected with the stripper plate, and a guide post for guiding is arranged in the cylindrical helical spring.
To sum up, the utility model discloses simple structure can effectively reduce the shearing force when the coupler tail frame is cut edge, makes coupler tail frame forge hot piece non-deformable, and the protection press, and can get rid of the overlap that cuts off on the drift automatically, reduces workman's intensity of labour, transports the coupler tail frame of accomplishing the side cut automatically, realizes automated production.
Drawings
FIG. 1 is a schematic structural view of a side cutting mechanism of a coupler yoke frame body, and a mold is in an open state;
FIG. 2 is a schematic structural view of a trimming mechanism of the coupler yoke frame body, and a mold is in a closed state;
fig. 3 is a schematic structural diagram of the elastic unloading mechanism.
Fig. 4 is a schematic structural diagram of a trimming female die in the embodiment.
Fig. 5 is a schematic structural view of a yoke tail frame forging in the specific embodiment, and the yoke tail frame forging is not trimmed.
FIG. 6 is a schematic view of a forged yoke structure.
Description of reference numerals:
1-a combined die holder, 2-a trimming female die, 21-a first inclined part, 22-a second inclined part, 3-a trimming discharging mechanism, 31-a positioning part, 32-a supporting block, 4-T-shaped screws, 5-a punch, 6-a punch back plate, 7-a discharging plate, 8-a cylindrical spiral spring, 9-a guide column, 10-a coupler tail frame body, 11-a flash and 12-a connecting plate.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
The utility model provides a novel forging coupler tail frame body trimming mechanism as shown in fig. 1 to 6 for the side cut and the ejection of compact of the coupler tail frame body forging on the side cut press, its characterized in that: the trimming die comprises a trimming female die 2 fixedly arranged on a combined die holder 1 of a trimming press workbench, wherein an inclined part is arranged on a long edge of the trimming female die 2; a trimming discharging mechanism 3 is arranged below the trimming female die 2, a T-shaped slide rail is arranged at the bottom of the trimming discharging mechanism 3, the T-shaped slide rail is matched with a T-shaped screw 4 arranged on the trimming press, and the trimming discharging mechanism 3 is made to reciprocate along the length direction of the trimming press; the punching head 5 of the edge cutting press machine is fixedly arranged below a punching head back plate 6 of the edge cutting press machine, and elastic discharging mechanisms are arranged at the front end and the rear end of the punching head 5.
Further, the inclined part comprises a first inclined part 21 which is arranged on the outer side and gradually decreases from outside to inside, and an included angle between the first inclined part and the horizontal direction is 3-6 degrees; the inclined angle of the second inclined part 22 is 25-35 degrees with the vertical direction, and the first inclined part 21 and the second inclined part 22 smoothly transit.
Furthermore, a concave positioning portion 31 is arranged on the trimming and discharging mechanism 3, and supporting blocks 32 are respectively arranged on two sides of the positioning portion 31.
Further the elastic unloading mechanism comprises unloading plates 7 which are fixedly connected with the two ends of the punch 5 in a lifting mode through compressing the elastic piece, the unloading plates 7 are horizontally arranged, and the inner ends of the unloading plates are in contact with the punch 5.
Furthermore, the compression elastic part is a cylindrical helical spring 8, the upper end of the cylindrical helical spring 8 is fixedly connected with the punch back plate 6, the lower end of the cylindrical helical spring is fixedly connected with the discharging plate 7, and a guide post 9 for guiding is arranged in the cylindrical helical spring 8.
In the present embodiment, as shown in fig. 6, the hook tail frame is formed by bending the hook tail frame forged piece 10 and welding the bent piece to the connecting plate 12, the projected circumference of the burr notch of the hot forged piece of the hook tail frame 10 is 4152mm, and the shearing force required when the burr 11 is sheared is large. As shown in fig. 1 and 2, during trimming, the punch 5 moves downward to contact with the trimming female die 2, the burrs 11 on the periphery of the coupler tail frame body 10 are cut off, the stripper plate 7 moves upward after contacting with the trimming female die 2, then the punch 5 is lifted, the cut burrs 11 are sleeved on the punch, the stripper plate 7 moves downward under the elastic force of the cylindrical spiral spring 8, the cut burrs 11 are successfully separated from the trimming punch 5 under the action of the elastic unloading mechanism, an operator does not need to manually knock off the burrs 11, and the labor intensity of the operator is effectively reduced. The coupler tail frame body 10 with the flash 11 is cut off and falls downwards to the trimming discharging mechanism 3, the downward convex part in the middle of the coupler tail frame forging 10 is contacted with the positioning part 31 in the middle of the trimming discharging mechanism 3, two ends of the coupler tail frame forging are respectively contacted with the supporting block 32, the stability of the coupler tail frame body 10 on the trimming discharging mechanism 3 is guaranteed, at the moment, the trimming discharging mechanism 3 moves leftwards, the coupler tail frame body 10 is conveyed out, and then the original position is returned again. The trimming and discharging mechanism 3 is also provided with a power mechanism for reciprocating the trimming and discharging mechanism and a sensing mechanism for detecting whether parts exist on the trimming and discharging mechanism.
Because the first inclined part 21 and the second inclined part 22 arranged on the trimming female die 2 enable the stress of the forge piece to be more stable in the trimming process, the trimming deformation of the forge piece is reduced, the impact shock after the punch is suddenly unloaded is eliminated, the press machine is protected, and the service life of trimming equipment is prolonged.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides a novel forge hook tail frame body trimming mechanism for the side cut and the ejection of compact of hook tail frame body forging on the side cut press, its characterized in that: the trimming die comprises a trimming female die (2) fixedly arranged on a combined die holder (1) of a trimming press workbench, wherein an inclined part is arranged on a long edge of the trimming female die (2); a trimming discharging mechanism (3) is arranged below the trimming female die (2), a T-shaped sliding rail is arranged at the bottom of the trimming discharging mechanism (3), the T-shaped sliding rail is matched with a T-shaped screw (4) arranged on the trimming press machine, and the trimming discharging mechanism (3) reciprocates along the length direction of the trimming press machine; the punching head (5) of the trimming press is fixedly arranged below a punching head back plate (6) of the trimming press, and elastic discharging mechanisms are arranged at the front end and the rear end of the punching head (5).
2. The novel trimming mechanism for the forged coupler yoke frame body according to claim 1, wherein: the inclined part comprises a first inclined part (21) which is arranged on the outer side and gradually decreases from outside to inside, and an included angle between the first inclined part and the horizontal direction is 3-6 degrees; the inclined plate is characterized by further comprising a second inclined part (22) which is arranged on the inner side of the first inclined part and gradually rises from outside to inside, an included angle between the second inclined part (22) and the vertical direction is 25-35 degrees, and the first inclined part (21) and the second inclined part (22) are in smooth transition.
3. The novel trimming mechanism for the forged coupler yoke frame body according to claim 1, wherein: the trimming and discharging mechanism (3) is provided with a sunken positioning part (31), and two sides of the positioning part (31) are respectively provided with a supporting block (32).
4. The novel trimming mechanism for the forged coupler yoke frame body according to claim 1, wherein: the elastic unloading mechanism comprises unloading plates (7) which are fixedly connected with the two ends of the punch (5) in a lifting mode through compressing an elastic piece, the unloading plates (7) are horizontally arranged, and the inner ends of the unloading plates are in contact with the punch (5).
5. The novel forged coupler yoke frame trimming mechanism of claim 4, wherein: the compression elastic piece is a cylindrical spiral spring (8), the upper end of the cylindrical spiral spring (8) is fixedly connected with the punch back plate (6), the lower end of the cylindrical spiral spring is fixedly connected with the discharging plate (7), and a guide column (9) used for guiding is arranged in the cylindrical spiral spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020277099.0U CN212042205U (en) | 2020-03-09 | 2020-03-09 | Novel forge hook tail frame framework trimming mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020277099.0U CN212042205U (en) | 2020-03-09 | 2020-03-09 | Novel forge hook tail frame framework trimming mechanism |
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| CN212042205U true CN212042205U (en) | 2020-12-01 |
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| CN202020277099.0U Active CN212042205U (en) | 2020-03-09 | 2020-03-09 | Novel forge hook tail frame framework trimming mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346054A (en) * | 2022-01-10 | 2022-04-15 | 无锡航亚科技股份有限公司 | Automatic mechanical trimming die carrier for aviation precision forging blade |
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2020
- 2020-03-09 CN CN202020277099.0U patent/CN212042205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346054A (en) * | 2022-01-10 | 2022-04-15 | 无锡航亚科技股份有限公司 | Automatic mechanical trimming die carrier for aviation precision forging blade |
| CN114346054B (en) * | 2022-01-10 | 2023-09-01 | 无锡航亚科技股份有限公司 | Automatic mechanical trimming die carrier for aviation precision forging blade |
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