CN210676701U

CN210676701U - Automobile valve plate stamping equipment using double-end die

Info

Publication number: CN210676701U
Application number: CN201921028495.3U
Authority: CN
Inventors: 于佳
Original assignee: Jiaxing Xinghuan Auto Parts Co ltd
Current assignee: Jiaxing Xinghuan Auto Parts Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-06-05
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an application double end mold's car valve block stamping equipment relates to the valve block production, aims at the inconvenient and lower problem of production efficiency of solution control, and its technical scheme main points are: an automobile valve plate stamping device applying a double-head die comprises a feeding mechanism, a punch press, a blanking assembly and a traction mechanism, wherein the feeding mechanism comprises a base, a turntable and a clamping jaw; the punching machine comprises a rack, a crankshaft, an alternating current motor and a punching seat, wherein the rack is provided with a braking structure, a linkage structure is arranged between the crankshaft and the braking structure, a main transmission rod is arranged between the crankshaft and the punching seat, the punching seat is provided with an upper die, and the rack is provided with a lower die; the blanking assembly comprises a material receiving box, a push-down vertical rod, a guide funnel and a horizontal arm; the traction mechanism comprises a traction frame, a traction roller set and a traction motor, wherein the traction roller set comprises an inner shaft and an outer roller. The utility model discloses an application double end mold's car valve block stamping equipment, it is more convenient to control, effectively improves harmony and production efficiency.

Description

Automobile valve plate stamping equipment using double-end die

Technical Field

The utility model relates to a valve block production, more specifically say, it relates to an application double end mold's car valve block stamping equipment.

Background

Various valve plates can be applied to modern automobiles, and the automobile valve plates made of metal materials are usually formed by stamping through stamping equipment.

A stamping device is used in valve block processing that chinese patent that bulletin number is CN109175049A announces, including two workstations, connect by the valve block punching press plane of liftable between two workstations, valve block punching press planar top is equipped with the punching press subassembly that is fixed in on the workstation, and the punching press subassembly includes the mounting bracket, lies in center department on the mounting bracket and is equipped with by cylinder driven stamping die, and the inside of workstation is equipped with the surface and exposes in the transport mechanism outside the workstation, and one side of punching press mould and the inboard of workstation are equipped with infrared sensor.

In the scheme, the stamping assembly is controlled to stamp to form the valve plate after sensing the object to be stamped through the infrared sensor, so that the problems of inconvenient control and low production efficiency exist; therefore, a new solution to solve these problems is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an application double end mold's car valve block stamping equipment, it is more convenient to control, effectively improves harmony and production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: the automobile valve plate stamping equipment using the double-head die comprises a feeding mechanism, a punch, a blanking assembly and a traction mechanism, wherein the feeding mechanism comprises a base, a turntable which is rotatably connected to the base, and a plurality of clamping jaws which are arranged on the upper end surface of the turntable, and the plurality of clamping jaws are arranged at equal angles by taking the central axis of the turntable as a central line; the punching machine comprises a rack, a crankshaft rotatably connected in the rack, an alternating current motor used for driving the crankshaft, and a punching seat linked with the crankshaft, wherein a braking structure is arranged at the end, close to the feeding mechanism, of the rack, one end of the crankshaft extends out of the rack, a linkage structure is arranged between the crankshaft and the braking structure, the crankshaft is rotatably connected with a main transmission rod, the bottom end of the main transmission rod is rotatably connected with the punching seat, an upper die is arranged on the lower end face of the punching seat, the rack is provided with a stress plane, and the stress plane is opposite to the upper die and is provided with a lower die; the blanking assembly comprises a material receiving box with an opening at the upper end surface and a downward pushing vertical rod used for separating a valve plate and waste materials, a guide funnel is arranged above the material receiving box, a horizontal arm is arranged on the side, close to the material receiving box, of the punching seat, and the downward pushing vertical rod is arranged above the horizontal arm; the traction mechanism comprises a traction rack, a traction roller set and a traction motor, wherein the traction roller set is rotatably connected to the traction rack, the traction motor is used for driving the traction roller set, the traction roller set comprises an inner shaft and an outer roller, the inner shaft is rotatably connected with the traction rack, the outer roller is in friction connection with the inner shaft, and the traction motor is in transmission connection with the inner shaft.

By adopting the technical scheme, when the automobile valve plate is produced by stamping, the adopted raw material is the metal sheet wound on the paper tube, and when the automobile valve plate works normally, the raw material is tightly supported on the inner ring of the raw material paper tube by the plurality of clamping jaws, so that the raw material is connected with the turntable; the inner shaft is driven by a traction motor to rotate, the inner shaft drives the outer roller to rotate through friction force, so that the outer roller pulls the raw material to pass through a punch and a blanking assembly and then is wound on the outer roller (the residual material after punching and taking out the product is wound on the outer roller); in the process that the raw materials pass through the punch press, the alternating current motor drives the crankshaft to rotate, the crankshaft pulls and pulls the main transmission rod to do longitudinal reciprocating motion in the rotating process, so that the punch seat is pulled or pushed to do upward reset or downward punching, and the punch seat punches the preformed automobile valve plate through the matching between the upper die and the lower die in the downward punching process; the material is limited by the braking structure after the downward stamping action of the stamping seat is carried out synchronously, so that the material stops advancing at the moment of stamping, and the limiting force provided by the braking structure is greater than the friction force between the inner shaft and the outer roller, so that the traction motor does not need to be shut down; the downward stamping action of the stamping seat is carried out synchronously, and the downward pushing vertical rod connected with the stamping seat through the horizontal arm moves downwards, so that downward pushing force is applied to the stamped and preformed automobile valve plate, the automobile valve plate is pushed to be separated from residual materials, and the automobile valve plate falls into a material receiving box through the guide hopper to complete the collection of the automobile valve plate; to sum up, the application the utility model discloses punching press production car valve block realizes continuous incessant full automated production under the sufficient condition of raw materials, and the cooperation between each mechanism or the subassembly is realized by mechanical structure simultaneously, has not only improved the harmony between each mechanism and the subassembly, need not the cooperation of electronic equipment such as sensor, controller moreover and reaches the more convenient technological effect of control, regards as source power with alternating current motor simultaneously, has effectively improved production efficiency.

The utility model discloses further set up to: the rotary table is characterized in that dovetail chutes are formed in the upper end face of the rotary table corresponding to each clamping jaw, the clamping jaws are connected with the dovetail chutes in a sliding mode, and compression springs are arranged between the clamping jaws and the rotary table.

Through adopting above-mentioned technical scheme, the jack catch passes through the forked tail spout and realizes being connected with sliding of carousel to utilize the elastic potential energy that compression spring provided, support tightly in the interior circumference of raw materials, thereby realize the stable connection of raw materials and carousel.

The utility model discloses further set up to: the pawl has an inclined surface and a notch below the inclined surface.

Through adopting above-mentioned technical scheme, when the clamping raw materials, place the raw materials on a plurality of jack catchs earlier, and press the raw materials downwards, the inclined plane of jack catch receives the effect of component force and slides towards the carousel centre of a circle, thereby need not to tear the jack catch off with the fingers and thumb and can carry out the clamping of raw materials, effectively improve the convenience of raw materials clamping, when the raw materials is aimed at the notch, the jack catch receives compression spring's elastic potential energy promotion, the carousel centre of a circle slides dorsad, thereby realize the notch cartridge in the raw materials, and then improve the clamping stability of raw materials.

The utility model discloses further set up to: the crankshaft is provided with an oilless bearing and is rotationally connected with the frame, and a belt transmission structure is arranged between the alternating current motor and the crankshaft.

Through adopting above-mentioned technical scheme, the bent axle utilizes the characteristic that oilless bearing reduces frictional force, effectively improves the smooth and easy nature of rotation of bent axle, utilizes belt transmission structure to realize alternating current motor and the transmission of bent axle and is connected to realize alternating current motor drive bent axle's technical requirement.

The utility model discloses further set up to: the brake structure comprises a rectangular channel, an upper top plate arranged in the rectangular channel and a cam positioned below the upper top plate; linkage structure rotates the auxiliary transmission pole of being connected including the eccentric disc that is fixed in the bent axle and with the eccentric disc, auxiliary transmission pole bottom universal joint is connected with the arm that sticks up, stick up the fixed axis of rotation that is provided with of arm, the axis of rotation is fixed with the cam.

By adopting the technical scheme, when the crankshaft drives the punch holder to punch downwards through the main transmission rod, the eccentric disc pulls the auxiliary transmission rod to gradually move upwards, in the process, the bottom end of the auxiliary transmission rod applies upward pulling force to the warping arm, so that the warping arm is forced to warp upwards, the warping arm further forces the rotating shaft to rotate, the rotating shaft drives the cam to synchronously rotate in the rotating process, so that the cam applies upward pushing force to the upper top plate until the upper top plate is lifted to the highest state, namely the upper top plate is matched with the top surface of the inner cavity of the rectangular channel to clamp the raw materials, and the braking of the raw materials is realized; when the crankshaft drives the punch seat to reset upwards through the main transmission rod, the eccentric disc drives the auxiliary transmission rod to move downwards, the tilting arm resets downwards, the rotating shaft resets and rotates along with the tilting arm, the cam synchronously rotates and resets, and the upper top plate moves downwards and loosens under the action of gravity to clamp and limit raw materials due to lack of upward supporting force; in conclusion, the braking mechanism realizes the braking of the raw materials by the aid of the matching between the cam and the upper top plate, and the linkage structure realizes the reciprocating driving of the cam by the aid of the matching between the eccentric disc, the auxiliary transmission rod and the rocker arm, so that the linkage of the crankshaft and the braking mechanism is realized, and the linkage of the braking mechanism and the punch seat is further realized.

The utility model discloses further set up to: the bottom surface of the inner cavity of the rectangular channel is at least provided with three guide holes, and the upper top plate is provided with guide posts connected with the corresponding guide holes in a sliding manner.

Through adopting above-mentioned technical scheme, go up the roof and utilize the cooperation of sliding between guiding hole and the guide post, realize the injecing to its displacement direction, effectively improve the connection stability of roof and rectangular channel.

The utility model discloses further set up to: and an extension spring is arranged between the upper top plate and the bottom surface of the inner cavity of the rectangular channel.

By adopting the technical scheme, the extension spring is additionally arranged, and the elastic potential energy of the extension spring is utilized to provide downward pulling force for the upper top plate, so that the upper top plate is ensured to move downwards in time to reset.

The utility model discloses further set up to: the lower end face of the upper die is provided with two die heads, the lower die is provided with die holes opposite to the two die heads, elastic rubber is arranged in the die holes, and the elastic rubber supports a stressed die sheet.

By adopting the technical scheme, the two die heads are arranged on the lower end surface of the lower die, so that stamping preforming of two automobile valve plates is completed by single stamping, and the production efficiency is further improved; elastic rubber is arranged in the die hole and used for pushing the stressed die sheet to reset, so that the stamped and preformed automobile valve sheet is prevented from being retained in the die hole.

The utility model discloses further set up to: the horizontal arm is provided with a through groove, the push-down vertical rod is provided with a connecting section matched with the through groove in a sliding mode, the top end of the connecting section extends out of the through groove, and a locking nut is matched with the connecting section in a threaded mode.

By adopting the technical scheme, when the position of the push-down vertical rod needs to be adjusted, the locking nut is screwed anticlockwise, the push-down vertical rod slides along the length direction of the through groove, and after the position of the push-down vertical rod is adjusted, the locking nut is screwed clockwise to prevent the push-down vertical rod from abnormally sliding; in conclusion, through the cooperation of the through grooves and the connecting sections, the position of the push-down vertical rod is adjusted, so that the push-down vertical rod has a more reasonable position, and the automobile valve plate is pushed to be separated from the raw materials.

The utility model discloses further set up to: one end of the inner shaft is provided with a friction disc, the other end of the inner shaft is connected with a push disc in a sliding manner, and the push disc and the friction disc are matched to clamp two ends of the outer roller; and an adjusting nut is matched with the inner shaft through threads, and a pressure spring is arranged between the adjusting nut and the push disc.

By adopting the technical scheme, the inner shaft pushes one end of the outer roller to be tightly propped against the friction disc by utilizing the push disc, so that the frictional connection between the inner shaft and the outer roller is realized; and the adjusting nut and the pressure spring are additionally arranged, so that the compressed amount of the pressure spring is changed by using the adjusting nut, the thrust of the pushing disc on the outer roller is further adjusted, and finally, the adjustment of the friction force between the inner shaft and the outer roller is realized.

To sum up, the utility model discloses following beneficial effect has: the continuous and uninterrupted full-automatic production is realized under the condition of sufficient raw materials, and meanwhile, the coordination among all mechanisms or assemblies is realized by a mechanical structure, so that the coordination among all mechanisms and assemblies is improved, the technical effect of more convenient control is achieved without the coordination of electronic instruments such as a sensor, a controller and the like, and meanwhile, the production efficiency is effectively improved by taking the alternating current motor as a source power; the clamping jaw is connected with the rotary table in a sliding mode through the dovetail sliding groove, and abuts against the inner circumferential surface of the raw material by utilizing elastic potential energy provided by the compression spring, so that the raw material is stably connected with the rotary table; the claw is provided with the inclined surface, so that convenience is provided for clamping raw materials; the clamping jaws are provided with notches, so that the clamping stability of the raw materials is improved; the crankshaft improves the rotation smoothness by utilizing the characteristic of reducing the friction force of the oilless bearing; the braking mechanism realizes the braking of raw materials by the cooperation between the cam and the upper top plate, and the linkage structure realizes the reciprocating driving of the cam by the cooperation between the eccentric disc, the auxiliary transmission rod and the rocker arm, thereby realizing the linkage of the braking mechanism and the punch seat; the upper top plate realizes the limitation of the displacement direction of the upper top plate by utilizing the sliding fit between the guide holes and the guide columns, and effectively improves the connection stability of the upper top plate and the rectangular channel; an extension spring is additionally arranged, and the elastic potential energy of the extension spring is utilized to provide a downward pulling force for the upper top plate, so that the upper top plate is ensured to move downwards and reset in time; two die heads are arranged on the lower end face of the lower die, so that stamping preforming of two automobile valve plates is completed by single stamping; elastic rubber is arranged in the die hole and used for pushing the stressed die sheet to reset, so that the stamped and preformed automobile valve sheet is prevented from being retained in the die hole; the position of the push-down vertical rod is adjusted through the matching of the through groove and the connecting section; the inner shaft pushes one end of the outer roller to be tightly propped against the friction disc by utilizing the push disc, so that the friction connection between the inner shaft and the outer roller is realized; and the adjusting nut and the pressure spring are additionally arranged, so that the compressed amount of the pressure spring is changed by using the adjusting nut, the thrust of the pushing disc on the outer roller is further adjusted, and finally, the adjustment of the friction force between the inner shaft and the outer roller is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the feeding mechanism of the present invention;

FIG. 3 is a schematic structural view of the punching machine of the present invention;

fig. 4 is a schematic structural view of another viewing angle of the punching machine of the present invention;

fig. 5 is a schematic diagram of the middle punch press according to the present invention after hiding the external structure, mainly showing the matching relationship of the internal structure;

fig. 6 is a schematic structural view of the traction mechanism of the present invention;

fig. 7 is a schematic structural view of the braking structure of the present invention;

fig. 8 is a matching view of the linkage structure and the brake structure of the present invention;

fig. 9 is a schematic structural view of the punch holder of the present invention;

fig. 10 is an exploded view of the lower die of the present invention;

fig. 11 is an exploded view of the traction mechanism of the present invention.

Description of the drawings: 11. a base; 12. a turntable; 13. a claw; 14. a dovetail chute; 15. a compression spring; 16. an inclined surface; 17. a notch; 21. a frame; 22. a crankshaft; 221. an eccentric disc; 222. a secondary transmission rod; 223. a tilting arm; 224. a rotating shaft; 225. an oilless bearing; 23. an alternating current motor; 231. a belt drive structure; 232. a rectangular channel; 233. an upper top plate; 234. a cam; 235. a guide hole; 236. a guide post; 237. an extension spring; 24. punching a base; 25. a main drive rod; 26. an upper die; 261. a die head; 262. a die hole; 263. an elastic rubber; 264. a stressed template; 27. a force-bearing plane; 28. a lower die; 31. a material receiving box; 32. pushing down the vertical rod; 33. a guide funnel; 34. a horizontal arm; 35. a through groove; 36. a connecting section; 36. a connecting section; 37. locking the nut; 41. a tractor frame; 42. a traction motor; 43. an inner shaft; 44. an outer roller; 45. a friction disk; 46. pushing the disc; 47. adjusting the nut; 48. a pressure spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An automobile valve plate stamping device applying a double-head die is shown in figure 1 and comprises a feeding mechanism, a punch press, a blanking assembly and a traction mechanism, wherein as shown in figures 1 and 2, the feeding mechanism comprises a base 11 placed on one side of the punch press, a rotary table 12 rotationally connected to the base 11, and a plurality of clamping jaws 13 arranged on the upper end face of the rotary table 12, and the plurality of clamping jaws 13 are arranged at equal angles by taking the central axis of the rotary table 12 as the central line; as shown in fig. 3, 4 and 5, the punching machine includes a frame 21, a crankshaft 22 rotatably connected in the frame 21, an ac motor 23 for driving the crankshaft 22, and a punch seat 24 linked with the crankshaft 22, the frame 21 is provided with a brake structure near the end of the feeding mechanism, one end of the crankshaft 22 extends out of the frame 21, and a linkage structure is provided between the brake structure and the frame 21, the crankshaft 22 is rotatably connected with a main transmission rod 25, the bottom end of the main transmission rod 25 is rotatably connected with the punch seat 24, the lower end face of the punch seat 24 is fixedly provided with an upper die 26, the frame 21 has a force-bearing plane 27, and the force-bearing plane 27 is opposite to the upper die 26 and fixedly provided; as shown in fig. 3 and fig. 5, the blanking assembly includes a material receiving box 31 with an open top end face and a vertical pushing rod 32 for separating the valve sheet from the waste material, a guide funnel 33 is installed above the material receiving box 31, a horizontal arm 34 is fixed on the side of the punch base 24 close to the material receiving box 31 by a bolt, and the vertical pushing rod 32 is arranged above the horizontal arm 34; the traction mechanism comprises a traction frame 41, a traction roller group which is rotatably connected to the traction frame 41, and a traction motor 42 for driving the traction roller group, wherein the traction roller group comprises an inner shaft 43 which is rotatably connected with the traction frame 41, and an outer roller 44 which is in friction connection with the inner shaft 43, and the traction motor 42 is in transmission connection with the inner shaft 43.

When the utility model is used for producing the automobile valve plate by stamping, the applied raw material is the metal sheet material wound on the paper tube, and when the automobile valve plate works normally, the raw material is tightly supported on the inner ring of the raw material paper tube by the plurality of clamping jaws 13, so that the connection between the raw material and the turntable 12 is completed; the inner shaft 43 is driven by the traction motor 42 to rotate, the inner shaft 43 drives the outer roller 44 to rotate through friction force, so that the outer roller 44 pulls the raw material to pass through the punch and blanking assembly and then winds the raw material on the outer roller 44 (the residual material after punching and taking out the product is wound on the outer roller 44); in the process that raw materials pass through a punching machine, the alternating current motor 23 drives the crankshaft 22 to rotate, the crankshaft 22 drives the main transmission rod 25 to perform longitudinal reciprocating motion in the rotating process, so that the punch holder 24 is pulled or pushed to perform upward reset or downward punching, and the punch holder 24 performs punching on a preformed automobile valve plate through the matching between the upper die 26 and the lower die 28 in the downward punching process; in synchronization with the downward punching action of the punch holder 24, after the transmission of the linkage structure, the material is clamped and limited by the braking structure, so that the material stops advancing at the moment of punching, and here, it should be noted that the limiting force provided by the braking structure is greater than the friction force between the inner shaft 43 and the outer roller 44, so that the traction motor 42 does not need to be shut down; in addition, the downward stamping action of the stamping seat 24 is carried out synchronously, and the downward pushing vertical rod 32 connected with the stamping seat 24 through the horizontal arm 34 moves downward, so that downward pushing force is applied to the stamped and preformed automobile valve plate, the automobile valve plate is pushed to be separated from the residual material, and the automobile valve plate falls into the material receiving box 31 after being guided by the guide hopper 33 to complete the collection of the automobile valve plate; to sum up, the application the utility model discloses punching press production car valve block realizes continuous incessant full automated production under the sufficient condition of raw materials, and the cooperation between each mechanism or the subassembly is realized by mechanical structure simultaneously, has not only improved the harmony between each mechanism and the subassembly, need not the cooperation of electronic equipment such as sensor, controller moreover and reaches the more convenient technological effect of control, uses AC motor 23 as source power simultaneously, has effectively improved production efficiency.

The jaws 13 clamp the raw material in the following manner, as shown in fig. 2, dovetail chutes 14 are formed in the upper end face of the rotary table 12 corresponding to each jaw 13, the jaws 13 are connected with the dovetail chutes 14 in a sliding manner, and compression springs 15 are arranged between the jaws 13 and the rotary table 12, so that the jaws 13 are forced to abut against the inner circumferential surface of the raw material by using elastic potential energy provided by the compression springs 15, and the stable connection between the raw material and the rotary table 12 is realized.

It should be noted that, as shown in fig. 2, the claws 13 have inclined surfaces 16 and notches 17, the notches 17 are located below the inclined surfaces 16, when clamping a raw material, the raw material is placed on the plurality of claws 13 first, and the raw material is pressed downward, in this process, the inclined surfaces 16 of the claws 13 slide toward the center of the rotary table 12 under the action of force components, so that the raw material can be clamped without pulling the claws 13, the convenience of clamping the raw material is effectively improved, when the raw material is aligned to the notches 17, the claws 13 are pushed by elastic potential energy of the compression springs 15 and slide away from the center of the rotary table 12, and thus the notches 17 are clamped on the raw material, and the stability of clamping the raw material is improved.

The alternating current motor 23 drives the crankshaft 22 to rotate in the following manner, as shown in fig. 4 and 5, the crankshaft 22 is provided with the oilless bearing 225 to be rotatably connected with the frame 21, so that the characteristic of reducing friction force by the oilless bearing 225 is utilized, the rotation smoothness of the crankshaft 22 is effectively improved, the belt transmission structure 231 is arranged between the alternating current motor 23 and the crankshaft 22, power transmission between the alternating current motor 23 and the crankshaft 22 is realized through transmission of the belt transmission structure 231, and the technical requirement that the alternating current motor 23 drives the crankshaft 22 to rotate is further realized.

The specific matching relationship between the brake structure and the linkage structure in the utility model is as follows, as shown in fig. 7 and 8, the brake structure comprises a rectangular channel 232, an upper top plate 233 connected in the rectangular channel 232 in a sliding manner, and a cam 234 under the upper top plate 233; the linkage structure comprises an eccentric disc 221 fixed on the crankshaft 22 and an auxiliary transmission rod 222 glidingly and rotatably connected with the eccentric disc 221, a tilting arm 223 is connected with a universal joint at the bottom end of the auxiliary transmission rod 222, a rotating shaft 224 is fixedly arranged on the tilting arm 223, and the rotating shaft 224 is rotatably connected with a rectangular channel 232 and is fixed with a cam 234; when the crankshaft 22 drives the punch holder 24 to punch downwards through the main transmission rod 25, the eccentric disc 221 pulls the auxiliary transmission rod 222 to gradually move upwards, in the process, the bottom end of the auxiliary transmission rod 222 applies an upward pulling force to the warping arm 223 to force the warping arm 223 to warp upwards, then the warping arm 223 forces the rotating shaft 224 to rotate, the rotating shaft 224 drives the cam 234 to synchronously rotate in the rotating process, so that the cam 234 applies an upward pushing force to the upper top plate 233 until the upper top plate 233 is lifted to the highest state, namely, the upper top plate 233 is matched with the top surface of the inner cavity of the rectangular channel 232 to clamp the raw material, so that the raw material is braked and stopped; when the crankshaft 22 drives the punch holder 24 to reset upwards through the main transmission rod 25, the eccentric disc 221 drives the auxiliary transmission rod 222 to move downwards, the warped arm 223 resets downwards, the rotating shaft 224 rotates along with the reset, the cam 234 synchronously rotates to reset, and at the moment, the upper top plate 233 moves downwards under the action of gravity due to lack of upward supporting force to release clamping limitation on raw materials; in summary, the braking mechanism realizes the braking of the raw material by the cooperation between the cam 234 and the upper top plate 233, and the linkage structure realizes the reciprocating driving of the cam 234 by the cooperation between the eccentric disc 221, the auxiliary transmission rod 222 and the tilting arm 223, thereby realizing the linkage of the crankshaft 22 and the braking mechanism, and further realizing the linkage of the braking mechanism and the punch holder 24.

In order to improve the sliding stability of the upper top plate 233, as shown in fig. 7, four guide holes 235 are formed in the bottom surface of the inner cavity of the rectangular channel 232, and the upper top plate 233 is fixedly welded with guide posts 236 connected with the corresponding guide holes 235 in a sliding manner, so that the displacement direction of the upper top plate 233 is limited by the sliding fit between the guide holes 235 and the guide posts 236, and the connection stability of the upper top plate 233 and the rectangular channel 232 is effectively improved.

In order to ensure the timely reset of the upper top plate 233, as shown in fig. 7, an extension spring 237 is disposed between the upper top plate 233 and the bottom surface of the inner cavity of the rectangular channel 232, so that the elastic potential energy of the extension spring 237 is utilized to provide a downward pulling force to the upper top plate 233, thereby ensuring the timely downward moving reset of the upper top plate 233.

In order to further improve the production efficiency, as shown in fig. 9 and 10, two die heads 261 are formed on the lower end surface of the upper die 26, and the lower die 28 is provided with die holes 262 opposite to the two die heads 261, so that the two automobile valve plates can be preformed by single stamping, and the production efficiency is further improved; it should be noted that an elastic rubber 263 is embedded in the die hole 262, and the elastic rubber 263 supports the stressed membrane 264, so that the stressed membrane 264 is pushed by the elastic rubber 263 to reset, and the preformed automobile valve sheet is prevented from being retained in the die hole 262.

The specific connection mode of the lower vertical rod 32 and the horizontal arm 34 is as follows, as shown in fig. 3 and 5, a through groove 35 is formed in the horizontal arm 34 along the length direction, a connecting section 36 in sliding fit with the through groove 35 is formed by machining the lower vertical rod 32, the top end of the connecting section 36 extends out of the through groove 35, and a locking nut 37 is in threaded fit with the connecting section 36; when the position of the lower vertical rod 32 needs to be adjusted, the locking nut 37 is screwed anticlockwise, the lower vertical rod 32 slides along the length direction of the through groove 35, and after the position of the lower vertical rod 32 is adjusted, the locking nut 37 is screwed clockwise to prevent the lower vertical rod 32 from sliding abnormally; in summary, through the cooperation of the through groove 35 and the connecting section 36, the position of the lower push rod 32 is adjusted, so that the lower push rod has a more reasonable position, and the automobile valve sheet is pushed to be separated from the raw material.

The inner shaft 43 is frictionally connected with the outer roller 44 in the following manner, as shown in fig. 6 and 11, a friction disc 45 is coaxially fixed at one end of the inner shaft 43, a push disc 46 is slidably sleeved at the other end of the inner shaft 43, the push disc 46 and the friction disc 45 are matched to clamp two ends of the outer roller 44, so that the inner shaft 43 pushes one end of the outer roller 44 to be tightly abutted against the friction disc 45 by using the push disc 46, and the frictional connection between the inner shaft 43 and the outer roller 44 is realized; an adjusting nut 47 is screwed on the inner shaft 43, and a pressure spring 48 is provided between the adjusting nut 47 and the push disk 46, so that the compressed amount of the pressure spring 48 is changed by the adjusting nut 47, the thrust of the push disk 46 against the outer roller 44 is adjusted, and finally, the adjustment of the friction force between the inner shaft 43 and the outer roller 44 is realized.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an application double end mould's car valve block stamping equipment, includes feed mechanism, punch press, unloading subassembly and drive mechanism, its characterized in that: the feeding mechanism comprises a base (11), a rotary table (12) rotationally connected to the base (11), and a plurality of clamping jaws (13) arranged on the upper end face of the rotary table (12), wherein the plurality of clamping jaws (13) are arranged at equal angles by taking the central axis of the rotary table (12) as a central line;

the punching machine comprises a rack (21), a crankshaft (22) rotatably connected in the rack (21), an alternating current motor (23) used for driving the crankshaft (22) and a punching seat (24) linked with the crankshaft (22), wherein a braking structure is arranged at the end, close to a feeding mechanism, of the rack (21), one end of the crankshaft (22) extends out of the rack (21), a linkage structure is arranged between the braking structure and the rack (21), the crankshaft (22) is rotatably connected with a main transmission rod (25), the bottom end of the main transmission rod (25) is rotatably connected with the punching seat (24), an upper die (26) is arranged on the lower end face of the punching seat (24), the rack (21) is provided with a stress plane (27), and the stress plane (27) is opposite to the upper die (26) and is provided with a lower die (28);

the blanking assembly comprises a material receiving box (31) with an opening in the upper end surface and a downward pushing vertical rod (32) used for separating a valve plate from waste materials, a guide hopper (33) is arranged on the material receiving box (31), a horizontal arm (34) is arranged on the side, close to the material receiving box (31), of the punching seat (24), and the downward pushing vertical rod (32) is arranged on the horizontal arm (34);

the traction mechanism comprises a traction frame (41), a traction roller set and a traction motor (42), wherein the traction roller set is rotatably connected to the traction frame (41), the traction motor (42) is used for driving the traction roller set, the traction roller set comprises an inner shaft (43) rotatably connected with the traction frame (41) and an outer roller (44) in friction connection with the inner shaft (43), and the traction motor (42) is in transmission connection with the inner shaft (43).

2. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: forked tail spout (14) have all been seted up to carousel (12) up end corresponding every jack catch (13), jack catch (13) slide with forked tail spout (14) and are connected, be provided with compression spring (15) between jack catch (13) and carousel (12).

3. The automobile valve plate stamping device with the double-head die as claimed in claim 2, wherein: the jaw (13) has an inclined surface (16) and a notch (17), the notch (17) being below the inclined surface (16).

4. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: the crankshaft (22) is provided with an oilless bearing (225) and is rotationally connected with the frame (21), and a belt transmission structure (231) is arranged between the alternating current motor (23) and the crankshaft (22).

5. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: the brake structure comprises a rectangular channel (232), an upper top plate (233) arranged in the rectangular channel (232), and a cam (234) positioned below the upper top plate (233); linkage structure is including being fixed in eccentric disc (221) of bent axle (22) and with eccentric disc (221) rotation connection's vice transfer line (222), vice transfer line (222) bottom universal joint is connected with wane arm (223), wane arm (223) are fixed to be provided with axis of rotation (224), axis of rotation (224) are fixed with cam (234).

6. The automobile valve plate stamping device with the double-head die as claimed in claim 5, wherein: the bottom surface of the inner cavity of the rectangular channel (232) is at least provided with three guide holes (235), and the upper top plate (233) is provided with guide columns (236) connected with the corresponding guide holes (235) in a sliding manner.

7. The automobile valve plate stamping device with the double-head die as claimed in claim 5, wherein: and an extension spring (237) is arranged between the upper top plate (233) and the bottom surface of the inner cavity of the rectangular channel (232).

8. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: the die comprises an upper die (26) and a lower die (28), wherein the lower end face of the upper die (26) is provided with two die heads (261), the lower die (28) is opposite to the two die heads (261) and is provided with a die hole (262), elastic rubber (263) is arranged in the die hole (262), and the elastic rubber (263) supports a stress die (264).

9. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: a through groove (35) is formed in the horizontal arm (34), a connecting section (36) matched with the through groove (35) in a sliding mode is arranged on the lower push vertical rod (32), the through groove (35) extends out of the top end of the connecting section (36), and a locking nut (37) is matched with the top end of the connecting section in a threaded mode.

10. The automobile valve plate stamping device with the double-head die as claimed in claim 1, wherein: one end of the inner shaft (43) is provided with a friction disc (45), the other end of the inner shaft (43) is connected with a push disc (46) in a sliding mode, and the push disc (46) and the friction disc (45) are matched to clamp two ends of the outer roller (44); the inner shaft (43) is in threaded fit with an adjusting nut (47), and a pressure spring (48) is arranged between the adjusting nut (47) and the push disc (46).