CN117324495A - High-efficient loading attachment of punch press - Google Patents

Abstract

The invention discloses a high-efficiency feeding device of a punch press, and belongs to the technical field of punch press structures. The high-efficiency feeding device of the punch press comprises a workbench, a lower die is arranged on the workbench, one end of the lower die is provided with a feeding mechanism, the feeding mechanism is arranged along the length direction of the workbench, one side of the feeding mechanism is provided with a pushing mechanism for pushing a workpiece to the feeding mechanism, the other end of the lower die is provided with a clamping mechanism for positioning and clamping the workpiece, and the feeding mechanism is connected with the clamping mechanism through a linkage mechanism; the second rotating shaft of the pushing mechanism is meshed with a first bevel gear on one output shaft of the speed reducer through a second bevel gear, the other output shaft of the speed reducer is connected with the first rotating shaft of the feeding mechanism, and the speed reducer is connected with the motor. The high-efficiency feeding device of the punch press can solve the problem of low feeding efficiency of the clutch disc hub, and has the advantages of simple structure and convenience in use.

Description

High-efficient loading attachment of punch press

Technical Field

The invention relates to the technical field of punch structures, in particular to a high-efficiency feeding device of a punch.

Background

The punch press is a common processing device, and can perform blanking, punching, forming, stretching, trimming and other actions through the die, so that the multifunctional processing of the workpiece is realized, and the application is very wide. The clutch hub is a circular workpiece and requires punching and forming operations to be performed on the clutch hub using a punch press. Since the clutch hub is a circular workpiece, the positioning requirements for the workpiece are very high. The existing clutch disc hub adopts a manual feeding mode, is punched after being manually fed, and is then manually fed. The manual feeding and discharging has low labor efficiency, influences the production efficiency, and has certain threat to the personal safety of staff.

The existing punch feeding device generally adopts an air cylinder to carry out workpiece conveying and feeding, the air cylinder is arranged to set a corresponding air source, and a corresponding control program is also required to control coordination work among the air cylinders, so that the cost is high. In addition, the existing feeding device is not suitable for feeding the clutch disc hub, and accurate positioning of the clutch disc hub cannot be achieved.

Disclosure of Invention

The invention aims to provide a high-efficiency feeding device of a punch press, which solves the problem of low feeding efficiency of a clutch disc hub and has the advantages of simple structure and convenience in use.

In order to achieve the aim, the invention provides a high-efficiency feeding device of a punching machine, which comprises a workbench, wherein a lower die is arranged on the workbench, one end of the lower die is provided with a feeding mechanism, the feeding mechanism is arranged along the length direction of the workbench, one side of the feeding mechanism is provided with a pushing mechanism for pushing a workpiece to the feeding mechanism, the other end of the lower die is provided with a clamping mechanism for positioning and clamping the workpiece, and the feeding mechanism is connected with the clamping mechanism through a linkage mechanism; the second rotating shaft of the pushing mechanism is meshed with a first bevel gear on one output shaft of the speed reducer through a second bevel gear, the other output shaft of the speed reducer is connected with the first rotating shaft of the feeding mechanism, and the speed reducer is connected with the motor.

Preferably, the feeding mechanism comprises a top plate for pushing the workpiece, the top plate is arranged on the ejector rod, a first limiting groove for enabling the ejector rod to penetrate and limiting sliding of the ejector rod is arranged on the workbench, the first limiting groove is arranged along the length direction of the workbench, the bottom end of the ejector rod is connected with a first sliding rod, a first sliding sleeve for enabling the first sliding rod to penetrate is arranged on the lower surface of the workbench, the first sliding rod is in sliding connection with the first sliding sleeve, a vertical connecting plate is arranged on the first sliding rod, a vertical sliding groove is arranged along the length direction of the connecting plate, a pin column arranged in the sliding groove in a rotating mode is in sliding connection with the sliding groove, the other end of the connecting rod is arranged on the first rotating shaft, and a first fixing plate for supporting the first rotating shaft is arranged on the lower surface of the workbench and is in rotating connection with the first fixing plate.

Preferably, the pushing mechanism comprises a bottom plate, the bottom plate is fixed on the workbench, a bin for containing the workpiece is arranged above the bottom plate, a material passing hole for allowing the workpiece to pass through is formed in the bottom of two side walls of the bin, a second limit groove for allowing the pushing plate to be inserted into the bin and guiding the sliding of the pushing plate is formed in the bottom plate, the second limit groove is located in the middle of the bottom plate and is arranged along the length direction of the bottom plate, and a sliding structure for driving the pushing plate to slide in the second limit groove is arranged below the bottom plate.

Preferably, the sliding structure comprises a mounting plate arranged at the bottom of the push plate, a second sliding sleeve is arranged at the bottom of the mounting plate, the second sliding sleeve is arranged on a vertical second sliding rod in a sliding mode, a third sliding sleeve is arranged at the top of the second sliding rod, the third sliding sleeve is arranged on a horizontal third sliding rod in a sliding mode, two ends of the third sliding rod are fixedly connected with a bottom plate through a fixing base, a first connecting block is hinged to the second sliding sleeve, the first connecting block is arranged at one end of a fourth sliding rod, a second connecting block is arranged on the fourth sliding rod in a sliding mode in a sleeved mode, the second connecting block is fixedly connected with a second rotating shaft, a spring is arranged between the first connecting block and the second connecting block, and the spring is sleeved outside the fourth sliding rod.

Preferably, the bottom end of the second sliding rod is provided with a second limiting plate, the bottom end of the fourth sliding rod is provided with a third limiting plate, and one end of the first sliding rod is provided with a first limiting plate; the workbench is provided with a positioning plate for positioning the workpiece, and the positioning plate and the storage bin are respectively positioned at two sides of the top plate.

Preferably, the height of the material passing hole is larger than the height of one workpiece and smaller than the heights of two workpieces, and the length of the pushing plate inserted into the bin is smaller than the height of one workpiece.

Preferably, the material clamping mechanism comprises a sliding block, the sliding block and the lower die are coaxially arranged, a guide rail along the length direction of the workbench is arranged on the workbench, the guide rail is positioned at two sides of the lower part of the sliding block, and a guide groove matched with the guide rail is arranged on the lower surface of the sliding block; the slider is provided with the bracing piece towards the one end middle part of lower mould, rotates on the bracing piece and is provided with the second pinch roller, and the bilateral symmetry of slider is provided with two side clamping structure.

Preferably, the side clamping structure comprises an L-shaped rotating arm, the middle part of the rotating arm is rotationally connected with the workbench through a pin shaft, one end, close to a workpiece, of the rotating arm is rotationally provided with first clamping wheels, the two first clamping wheels are located on two sides of the lower die, the other end of the rotating arm is provided with a roller, a torsion spring enabling the roller to be always contacted with the inclined side face of the sliding block is sleeved on the pin shaft, and the sliding block is of an isosceles trapezoid structure.

Preferably, the linkage mechanism comprises a linkage plate, the linkage plate is rotationally connected with the bottom of the workbench, one end of the linkage plate is hinged with the bottom of the ejector rod through a first connecting rod, the other end of the linkage plate is connected with a guide rod arranged at the bottom of the sliding block through a second connecting rod, one end of the second connecting rod is hinged with the linkage plate, the other end of the second connecting rod is rotationally connected with the guide rod, and a fourth limiting groove which enables the guide rod to pass through and enables the guide rod to slide along the length direction of the workbench is formed in the workbench.

Preferably, the bottom of ejector pin is fixed and is provided with the kicking block, has offered the third spacing groove that runs through the kicking block on the kicking block, and the third spacing inslot slip is provided with the spacer pin, and first connecting rod passes through the spacer pin to be connected with the ejector pin, and first connecting rod and spacer pin rotate to be connected.

The high-efficiency feeding device of the punching machine has the advantages and positive effects that:

1. the continuous automatic feeding of the workpiece is realized by arranging the pushing mechanism, the feeding mechanism and the clamping mechanism on the workbench, and the feeding efficiency is improved.

2. The pushing mechanism and the feeding mechanism are driven by the same motor and the reducer, so that the matching of pushing and feeding is realized, and the feeding efficiency is improved.

3. The pushing mechanism and the clamping mechanism are linked through the linkage plate, the first connecting rod and the second connecting rod, the clamping mechanism just clamps the workpiece after pushing the workpiece in place, and the clamping mechanism loosens the workpiece along with the pushing mechanism after stamping is completed, so that the requirement of continuous feeding of the workpiece is met, and the feeding efficiency is improved.

4. The sliding blocks with the isosceles trapezoid structures drive the two rotating arms to synchronously rotate, the supporting rods drive the second clamping wheels to synchronously slide, the centers of the first clamping wheels and the second clamping wheels are kept unchanged in the process of clamping the workpiece, the workpiece is centered and clamped, and the positioning accuracy of the workpiece is improved.

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic top view of an embodiment of a high-efficiency feeding device for a punching machine according to the present invention;

FIG. 2 is a schematic diagram of a clamping mechanism of an embodiment of a high-efficiency feeding device of a punching machine;

FIG. 3 is a schematic cross-sectional view of a workbench of an embodiment of a high-efficiency feeding device of a punching machine;

FIG. 4 is an enlarged view of part of A in FIG. 3;

FIG. 5 is a schematic side view of a pushing mechanism of an embodiment of a high-efficiency feeding device of a punching machine;

fig. 6 is a schematic front view of a pushing mechanism of an embodiment of a high-efficiency feeding device of a punching machine.

Reference numerals

1. A work table; 2. a lower die; 3. a top plate; 4. a first slide bar; 5. a first sliding sleeve; 6. a connecting rod; 7. a connecting plate; 8. a chute; 9. a pin; 10. a first fixing plate; 11. a first rotating shaft; 12. a motor; 13. a speed reducer; 14. a first limiting plate; 15. a push rod; 16. a first limit groove; 17. a first bevel gear; 18. a second bevel gear; 19. a second rotating shaft; 20. a bottom plate; 21. a storage bin; 22. a workpiece; 23. the second limit groove; 24. a push plate; 25. a mounting plate; 26. the second sliding sleeve; 27. a second slide bar; 28. a third sliding sleeve; 29. a third slide bar; 30. a fixing seat; 31. a first connection block; 32. a fourth slide bar; 33. a second connection block; 34. a spring; 35. a second limiting plate; 36. a third limiting plate; 37. a second fixing plate; 38. a linkage plate; 39. a first link; 40. a second link; 41. a slide block; 42. a rotating arm; 43. a first pinch wheel; 44. a second pinch wheel; 45. a guide rail; 46. a support rod; 47. a roller; 48. a pin shaft; 49. a top block; 50. a limiting pin; 51. a third limit groove; 52. a fourth limit groove; 53. a guide rod; 54. a positioning plate; 55. and a material passing hole.

Detailed Description

The technical scheme of the invention is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

As shown in fig. 1-6, a high-efficiency feeding device of a punching machine comprises a workbench 1, a lower die 2 is arranged on the workbench 1, and the upper surface of the lower die 2 is flush with the upper surface of the workbench 1. The table 1 is fixed on the ground, and the lower die 2 is located directly below the punch, and the work 22 is molded by the lower die 2. One end of the lower die 2 is provided with a feeding mechanism, and the feeding mechanism is arranged along the length direction of the workbench 1. The feeding mechanism is used for feeding the workpiece 22 into the lower die 2. One side of the feeding mechanism is provided with a pushing mechanism for pushing the workpiece 22 to the feeding mechanism, and the pushing mechanism is positioned between the feeding mechanism and the lower die 2. The other end of the lower die 2 is provided with a clamping mechanism for positioning and clamping the workpiece 22, and the clamping mechanism is used for centering, clamping and fixing the workpiece 22. The feeding mechanism is connected with the clamping mechanism through the linkage mechanism, and the linkage of the feeding mechanism and the clamping mechanism is realized through the linkage mechanism, so that the structure is simplified, and the feeding efficiency is improved.

The feeding mechanism comprises a top plate 3 for pushing the workpiece 22, and the top plate 3 is positioned above the workbench 1. The roof 3 is fixed to be set up on the top of ejector pin 15, is provided with on workstation 1 and makes ejector pin 15 pass and carries out spacing first spacing groove 16 to the slip of ejector pin 15, and first spacing groove 16 sets up along the length direction of workstation 1. In order to improve the sliding stability of the ejector rod 15 and the first limiting groove 16, the first limiting groove 16 may be configured as a dovetail groove or a T-shaped groove, and the first limiting groove 16 has a supporting function when limiting and guiding the ejector rod 15, so as to improve the sliding stability of the ejector rod 15.

The bottom of ejector pin 15 and first slide bar 4 fixed connection, fixed first sliding sleeve 5 that makes first slide bar 4 pass is provided with on the lower surface of workstation 1, first slide bar 4 and first sliding sleeve 5 sliding connection. The inner diameter of the first sliding sleeve 5 is slightly larger than the outer diameter of the first sliding rod 4, so that the first sliding rod 4 can stably slide along the length direction of the workbench 1 in the first sliding sleeve 5. The first slide bar 4 is fixedly provided with a vertical connecting plate 7, and a vertical chute 8 is arranged along the length direction of the connecting plate 7. The pin 9 arranged at the end of the connecting rod 6 in a rotating way is positioned in the chute 8, and the pin 9 slides in the chute 8. The other end of the connecting rod 6 is fixedly arranged on the first rotating shaft 11. A first fixing plate 10 for supporting a first rotating shaft 11 is fixedly arranged on the lower surface of the workbench 1, and the first rotating shaft 11 is rotatably connected with the first fixing plate 10 through a bearing.

The first rotating shaft 11 is fixedly connected with an output shaft of a speed reducer 13, and the speed reducer 13 is connected with a motor 12. The motor 12 and the decelerator 13 may be fixed to the first fixing plate 10. The decelerator 13 and the connecting rod 6 are located at both sides of the first fixing plate 10.

The end of the first slide bar 4 is fixedly provided with a first limiting plate 14 so as to prevent the first slide bar 4 from slipping off the first sliding sleeve 5.

The motor 12 drives the speed reducer 13 to rotate, one output shaft of the speed reducer 13 drives the first rotating shaft 11 to synchronously rotate, the first rotating shaft 11 drives the connecting rod 6 to synchronously rotate, the connecting rod 6 drives the pin 9 to slide in the chute 8 and drives the connecting plate 7 and the first sliding rod 4 to slide under the action of the first sliding sleeve 5, the first sliding rod 4 drives the top plate 3 to slide along the length direction of the workbench 1 through the ejector rod 15, and therefore the workpiece 22 is pushed to slide on the workbench 1 to carry out reciprocating feeding.

The pushing mechanism comprises a bottom plate 20, and the bottom plate 20 is horizontally fixed on one side of the workbench 1. The upper surface of the bottom plate 20 is flush with the upper surface of the table 1, so that the work 22 can be smoothly pushed onto the table 1. A bin 21 for accommodating a workpiece 22 is arranged above the bottom plate 20, and the bin 21 is fixed on the bottom plate 20. The lateral wall of work piece 22 contacts with the lateral wall of feed bin 21, and feed bin 21 carries out spacingly to work piece 22 through its lateral wall to effectually avoid work piece 22 to take place to rock in feed bin 21, improve the stability of work piece 22 material loading. The bin 21 is provided with a pass hole 55 for passing the workpiece 22 at the bottom of the two side walls parallel to the table 1, and the workpiece 22 slides onto the table 1 through the pass hole 55. The height of the material passing hole 55 is larger than the height of one workpiece 22 and smaller than the heights of two workpieces 22, and the length of the pushing plate 24 inserted into the bin 21 is smaller than the height of one workpiece 22, so that the pushing plate 24 can only push one workpiece 22 onto the workbench 1 at a time.

The bottom plate 20 is provided with a second limit groove 23 penetrating through the bottom plate 20, and the top end of the push plate 24 is inserted into the storage bin 21 through the second limit groove 23 to push the workpiece 22 at the bottommost layer to slide out of the storage bin 21 onto the workbench 1. The width of the second limiting groove 23 is slightly larger than that of the push plate 24, and the second limiting groove 23 has a guiding function on the sliding of the push plate 24. The second limiting groove 23 is located at the middle of the bottom plate 20 and is arranged along the length direction of the bottom plate 20.

A sliding structure for driving the push plate 24 to slide in the second limiting groove 23 is arranged below the bottom plate 20. The sliding structure comprises a mounting plate 25 arranged at the bottom of a push plate 24, the mounting plate 25 is of an L-shaped structure, and the push plate 24 is fixedly connected with the mounting plate 25. The bottom of mounting panel 25 is fixedly provided with second sliding sleeve 26, and second sliding sleeve 26 is located one side of mounting panel 25. The second sliding sleeve 26 is slidably sleeved on a second vertical sliding rod 27, and the second sliding rod 27 provides a guiding function for the vertical up-and-down sliding of the push plate 24. A third sliding sleeve 28 is fixedly arranged at the top of the second sliding rod 27, the third sliding sleeve 28 is sleeved on a horizontal third sliding rod 29 in a sliding manner, and the third sliding rod 29 has a guiding function on the horizontal sliding of the second sliding rod 27. The two ends of the third slide bar 29 are fixedly connected with the bottom plate 20 through the fixing seat 30.

The second sliding sleeve 26 is hinged with a first connecting block 31, and the first connecting block 31 is rotatably connected with the second sliding sleeve 26 at one side thereof. The first connecting block 31 is fixedly arranged at one end of the fourth sliding rod 32, a second connecting block 33 is sleeved on the fourth sliding rod 32 in a sliding manner, and the second connecting block 33 is fixedly connected with the second rotating shaft 19. A spring 34 is arranged between the first connecting block 31 and the second connecting block 33, and two ends of the spring 34 are fixedly connected with the first connecting block 31 and the second connecting block 33 respectively. The spring 34 is sleeved outside the fourth slide bar 32. The bottom of the workbench 1 or the bottom of the bottom plate 20 is fixedly provided with a second fixing plate 37 with a supporting function on the second rotating shaft 19, and the second rotating shaft 19 is rotatably connected with the second fixing plate 37 through a bearing. One end of the second rotating shaft 19 is fixedly provided with a second bevel gear 18, and the second bevel gear 18 is meshed with a first bevel gear 17 on the other output shaft of the speed reducer 13.

The bottom end of the second slide bar 27 is fixedly provided with a second limiting plate 35 for preventing the second sliding sleeve 26 from sliding off the second slide bar 27. The bottom end of the fourth slide bar 32 is fixedly provided with a third limiting plate 36 for preventing the second connecting block 33 from slipping off the fourth slide bar 32. The workbench 1 is fixedly provided with a positioning plate 54 for positioning the workpiece 22, and the positioning plate 54 and the storage bin 21 are respectively positioned on two sides of the top plate 3. The positioning plate 54 positions the workpiece 22 to prevent the workpiece 22 from slipping out of the table 1.

The other output shaft of the speed reducer 13 drives the second rotating shaft 19 to rotate through the first bevel gear 17 and the second bevel gear 18, the second rotating shaft 19 drives the second connecting block 33 to synchronously rotate, the second connecting block 33 drives the fourth sliding rod 32 to synchronously rotate, the fourth sliding rod 32 drives the second sliding sleeve 26 to slide up and down on the second sliding rod 27 through the first connecting block 31, and the requirement of length change is met between the first connecting block 31 and the second connecting block 33 through the compression and extension spring 34; the fourth sliding rod 32 drives the second sliding rod 27 to horizontally slide on the third sliding rod 29 through the second sliding sleeve 26 in the rotating process, so that the second sliding sleeve 26 can horizontally slide; the second sliding sleeve 26 moves left and right while moving up and down in the rotation process of the fourth sliding rod 32, so that the mounting plate 25 drives the pushing plate 24 to move up and down and left and right in a reciprocating manner, and workpieces 22 in the storage bin 21 are sequentially pushed out of the storage bin 21 onto the workbench 1 from bottom to top, so that continuous pushing is realized.

The clamping mechanism comprises a sliding block 41, and the sliding block 41 is coaxially arranged with the lower die 2, so that the clamping mechanism can stably clamp the workpiece 22. The table 1 is provided with a guide rail 45 along the longitudinal direction of the table 1, and the guide rail 45 is located on both sides of the lower portion of the slider 41. The lower surface of the sliding block 41 is provided with a guide groove matched with the guide rail 45, and the guide groove is sleeved outside the guide rail 45 and is in sliding connection with the guide rail 45. The guide rail 45 has a guiding function for the sliding of the slider 41. A support rod 46 is fixedly arranged at the middle part of one end of the sliding block 41 facing the lower die 2, and a second clamping wheel 44 is rotatably arranged on the support rod 46.

Two side clamping structures are symmetrically arranged on two sides of the sliding block 41. The side clamping structure comprises an L-shaped rotating arm 42, and the middle part of the rotating arm 42 is rotatably connected with the workbench 1 through a pin shaft 48. The rotating arm 42 is provided with a first clamping wheel 43 near one end of the workpiece 22 in a rotating way, and the two first clamping wheels 43 are respectively positioned on two sides of the lower die 2. The two first clamping wheels 43 and the one second clamping wheel 44 clamp and fix the workpiece 22 from three directions, so that the stability of the workpiece 22 during stamping is improved.

The other end of the rotary arm 42 is rotatably provided with a roller 47, and a torsion spring which enables the roller 47 to always contact with the inclined side surface of the sliding block 41 is sleeved on the pin shaft 48. The slider 41 has an isosceles trapezoid structure. The slide block 41 drives the roller 47 to slide on the inclined plane through the inclined planes which are symmetrical on two sides, so that the two rotating arms 42 are driven to rotate, and the workpiece 22 is clamped and released.

The linkage mechanism comprises a linkage plate 38, and the linkage plate 38 is rotationally connected with the bottom of the workbench 1. One end of the linkage plate 38 is hinged with the bottom of the ejector rod 15 through a first connecting rod 39, and two ends of the first connecting rod 39 are respectively hinged with the linkage plate 38 and the ejector rod 15. The other end of the linkage plate 38 is connected with a vertical guide rod 53 fixedly arranged at the bottom of the sliding block 41 through a second connecting rod 40. One end of the second link 40 is hinged to the link plate 38, and the other end of the second link 40 is rotatably connected to the guide rod 53. In order to reduce the displacement of the slider 41, the length of the arm of force of the linkage plate 38 connected to the second link 40 is smaller than the length of the arm of force of the linkage plate 38 connected to the first link 39. The table 1 is provided with a fourth limit groove 52 for allowing the guide rod 53 to pass through and for allowing the guide rod 53 to slide along the longitudinal direction of the table 1.

In order to enable the first clamping wheel 43 and the second clamping wheel 44 to still keep clamping the workpiece 22 in the returning process of the top plate 3, a top block 49 is fixedly arranged at the bottom of the ejector rod 15, a third limiting groove 51 penetrating through the top block 49 is formed in the top block 49, a limiting pin 50 is arranged in the third limiting groove 51 in a sliding mode, and the first connecting rod 39 is in rotary connection with the limiting pin 50. The first connecting rod 39 is connected with the ejector rod 15 through the limiting pin 50, so that when the two ends of the ejector rod 15 are reversed, the ejector rod 15 is separated from the second connecting rod 40 temporarily, the second connecting rod 40 does not rotate along with the movement of the ejector rod 15, the first clamping wheel 43 and the second clamping wheel 44 keep clamping the workpiece 22, and the stamping precision of the workpiece 22 is improved.

When the rotary die is used, the motor 12 drives the speed reducer 13 to rotate, the speed reducer 13 drives the first rotating shaft 11 to rotate clockwise through one output shaft, and the first rotating shaft 11 drives the top plate 3 to move towards the lower die 2 through the connecting rod 6, the pin 9, the chute 8, the connecting plate 7 and the first sliding rod 4; meanwhile, the speed reducer 13 drives the first bevel gear 17 to rotate clockwise through the other output shaft, the second bevel gear 18 rotates anticlockwise under the action of the first bevel gear 17, the second rotating shaft 19 rotates anticlockwise, the second rotating shaft 19 drives the mounting plate 25 and the push plate 24 to push the workpiece 22 in the storage bin 21 onto the workbench 1 through the second connecting block 33, the fourth sliding rod 32, the first connecting block 31, the second sliding sleeve 26, the second sliding rod 27, the third sliding sleeve 28 and the third sliding rod 29, the positioning plate 54 positions the workpiece 22, and the top plate 3 drives the workpiece 22 to slide on the workbench 1; the top plate 3 drives the sliding block 41 to move relative to the top plate 3 through the first connecting rod 39, the linkage plate 38 and the second connecting rod 40 in the sliding process, the two rotating arms 42 drive the first clamping wheels 43 to clamp the workpiece 22 in the process that the sliding block 41 moves towards the lower die 2, and the supporting rods 46 drive the second clamping wheels 44 to synchronously clamp the workpiece 22, so that the workpiece 22 is subjected to stamping operation.

Therefore, the high-efficiency feeding device of the punch press can solve the problem of low feeding efficiency of the clutch disc hub, and has the advantages of simple structure and convenience in use.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.

Claims (10)

1. The utility model provides a high-efficient loading attachment of punch press which characterized in that: the device comprises a workbench, a lower die is arranged on the workbench, one end of the lower die is provided with a feeding mechanism, the feeding mechanism is arranged along the length direction of the workbench, one side of the feeding mechanism is provided with a pushing mechanism for pushing a workpiece to the feeding mechanism, the other end of the lower die is provided with a clamping mechanism for positioning and clamping the workpiece, and the feeding mechanism is connected with the clamping mechanism through a linkage mechanism; the second rotating shaft of the pushing mechanism is meshed with a first bevel gear on one output shaft of the speed reducer through a second bevel gear, the other output shaft of the speed reducer is connected with the first rotating shaft of the feeding mechanism, and the speed reducer is connected with the motor.

2. The efficient feeding device of the punching machine according to claim 1, wherein: the feeding mechanism comprises a top plate for pushing a workpiece, the top plate is arranged on the top rod, a first limiting groove which enables the top rod to penetrate and limit the sliding of the top rod is arranged on the workbench, the first limiting groove is arranged along the length direction of the workbench, the bottom end of the top rod is connected with a first sliding rod, a first sliding sleeve which enables the first sliding rod to penetrate is arranged on the lower surface of the workbench, the first sliding rod is in sliding connection with the first sliding sleeve, a vertical connecting plate is arranged on the first sliding rod, a vertical sliding groove is arranged along the length direction of the connecting plate, a pin column which is rotationally arranged at the end of the connecting rod is positioned in the sliding groove and is in sliding connection with the sliding groove, the other end of the connecting rod is arranged on the first rotating shaft, and a first fixing plate which supports the first rotating shaft is rotationally connected with the first fixing plate is arranged on the lower surface of the workbench.

3. The efficient feeding device of the punching machine according to claim 2, wherein: the pushing mechanism comprises a bottom plate, the bottom plate is fixed on the workbench, a bin for containing workpieces is arranged above the bottom plate, a passing hole for the workpieces to pass through is formed in the bottoms of two side walls of the bin, a second limit groove for enabling the push plate to be inserted into the bin and guiding sliding of the push plate is formed in the bottom plate, the second limit groove is located in the middle of the bottom plate and is arranged along the length direction of the bottom plate, and a sliding structure for driving the push plate to slide in the second limit groove is arranged below the bottom plate.

4. A punch high efficiency loading apparatus as defined in claim 3, wherein: the sliding structure comprises a mounting plate arranged at the bottom of a push plate, a second sliding sleeve is arranged at the bottom of the mounting plate, the second sliding sleeve is arranged on a vertical second sliding rod in a sliding mode, a third sliding sleeve is arranged at the top of the second sliding rod, the third sliding sleeve is arranged on a horizontal third sliding rod in a sliding mode, two ends of the third sliding rod are fixedly connected with a bottom plate through a fixing base, a first connecting block is hinged to the second sliding sleeve, the first connecting block is arranged at one end of a fourth sliding rod, a second connecting block is arranged on the fourth sliding rod in a sliding mode in a sleeved mode, the second connecting block is fixedly connected with a second rotating shaft, a spring is arranged between the first connecting block and the second connecting block, and the spring is sleeved outside the fourth sliding rod.

5. The efficient feeding device of the punching machine, according to claim 4, is characterized in that: the bottom end of the second sliding rod is provided with a second limiting plate, the bottom end of the fourth sliding rod is provided with a third limiting plate, and one end of the first sliding rod is provided with a first limiting plate; the workbench is provided with a positioning plate for positioning the workpiece, and the positioning plate and the storage bin are respectively positioned at two sides of the top plate.

6. The efficient feeding device of the punching machine according to claim 5, wherein: the height of the material passing hole is larger than that of one workpiece and smaller than that of two workpieces, and the length of the pushing plate inserted into the bin is smaller than that of one workpiece.

7. The efficient feeding device of the punching machine, according to claim 6, is characterized in that: the clamping mechanism comprises a sliding block, the sliding block and the lower die are coaxially arranged, a guide rail is arranged on the workbench along the length direction of the workbench, the guide rail is positioned at two sides of the lower part of the sliding block, and a guide groove matched with the guide rail is arranged on the lower surface of the sliding block; the slider is provided with the bracing piece towards the one end middle part of lower mould, rotates on the bracing piece and is provided with the second pinch roller, and the bilateral symmetry of slider is provided with two side clamping structure.

8. The efficient feeding device of the punching machine, according to claim 7, is characterized in that: the side clamping structure comprises an L-shaped rotating arm, the middle of the rotating arm is rotationally connected with the workbench through a pin shaft, one end, close to a workpiece, of the rotating arm is rotationally provided with first clamping wheels, the two first clamping wheels are located on two sides of a lower die, the other end of the rotating arm is provided with a roller, a torsion spring enabling the roller to be always contacted with the inclined side face of a sliding block is sleeved on the pin shaft, and the sliding block is of an isosceles trapezoid structure.

9. The efficient feeding device of the punching machine, according to claim 8, is characterized in that: the linkage mechanism comprises a linkage plate, the linkage plate is rotationally connected with the bottom of the workbench, one end of the linkage plate is hinged to the bottom of the ejector rod through a first connecting rod, the other end of the linkage plate is connected with a guide rod arranged at the bottom of the sliding block through a second connecting rod, one end of the second connecting rod is hinged to the linkage plate, the other end of the second connecting rod is rotationally connected with the guide rod, and a fourth limiting groove which enables the guide rod to pass through and enables the guide rod to slide along the length direction of the workbench is formed in the workbench.

10. The efficient feeding device of the punching machine according to claim 9, wherein: the bottom of ejector pin is fixed and is provided with the kicking block, has offered the third spacing groove that runs through the kicking block on the kicking block, and the third spacing inslot slip is provided with the spacer pin, and first connecting rod passes through the spacer pin to be connected with the ejector pin, and first connecting rod rotates with the spacer pin to be connected.