CN220008913U - Cross shaft transmission punch press - Google Patents

Abstract

The utility model discloses a transverse shaft transmission punch press, which comprises a shell, a crankshaft rotationally arranged at the top of the shell, a driving component used for the rotation of the crankshaft, a sliding block component connected with the crankshaft through a connecting component and a table top arranged at the bottom of the shell, wherein the sliding block component is connected with the crankshaft through a connecting component; the connecting assembly comprises a connecting rod, one end of the connecting rod is sleeved on the eccentric part of the crankshaft, and the other end of the connecting rod is connected with the sliding block assembly through a connecting structure; the connecting structure comprises a connecting ring arranged at the bottom of the connecting rod, a transverse shaft which is parallel to the axis of the crankshaft and is matched with the connecting ring, and a connecting piece, one end of which is connected with the sliding block assembly, and the other end of which is connected with the transverse shaft. A method for driving the sliding block assembly through the connecting piece by matching and driving the connecting rod and the transverse shaft; the structure is simple, the stress is uniform, the service life is prolonged, the stamping quality is improved, and the vibration is low and the noise is low.

Description

Cross shaft transmission punch press

Technical Field

The utility model relates to the field of stamping equipment, in particular to a transverse shaft transmission punch.

Background

The punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy sources, being high in efficiency, not high in technical requirements for operators and being capable of making products which cannot be achieved by mechanical processing through various die applications compared with the traditional mechanical processing, so that the stamping process is increasingly widely used.

The stamping production is mainly aimed at the plate material. Through the mould, blanking, punching, forming, deep drawing, trimming, fine blanking, shaping, riveting, extrusion and the like can be performed, and the die is widely applied to various fields. For example, there are very many accessories such as switch sockets, cups, cupboards, dishes, computer cabinets, and even missile aircraft … … which can be produced by punching machines through molds.

In the prior art, a punch is driven to rotate through a crankshaft to drive a connecting rod to rotate, and the upper and lower movement of a die is controlled through the connection of a ball head at the bottom of the connecting rod; the ball head has high connection freedom degree, the bottom sliding block and the die are stressed unevenly when moving, swing occurs, the stamping quality is affected, the parts on the punch press are seriously worn, the service life is shortened, and the use cost is increased; and vibration noise is large.

For example, "a punch press transmission assembly" disclosed in chinese patent literature, has the publication number CN205219781U. The patent discloses a punch press transmission assembly, which comprises a transmission assembly and a worm gear assembly, wherein the transmission assembly comprises a crankshaft, a crankshaft connecting rod, a ball connecting rod and an adjusting nut, the crankshaft is crank type, and the crankshaft is arranged on a crankshaft tile seat; the crankshaft connecting rod is sleeved in the middle of the crankshaft, and a blind hole is formed in the lower part of the crankshaft connecting rod; the other end of the ball head connecting rod, which is opposite to the ball head, is embedded in the blind hole; and an adjusting nut is further arranged on the inner wall surface of the blind hole and is in threaded connection with the ball connecting rod. In the patent, the ball-head connecting rod is used for transmission, so that uneven stress is caused, and the quality of a stamping finished product is not improved.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a method for driving a sliding block assembly through a connecting piece by matching transmission of a connecting rod and a transverse shaft; the structure is simple, the stress is uniform, the service life is prolonged, the stamping quality is improved, and the vibration is low and the noise is low.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a transverse shaft transmission punch press comprises a shell, a crankshaft rotationally arranged at the top of the shell, a driving component used for the rotation of the crankshaft, a sliding block component connected with the crankshaft through a connecting component and a table top arranged at the bottom of the shell; the connecting assembly comprises a connecting rod, one end of the connecting rod is sleeved on the eccentric part of the crankshaft, and the other end of the connecting rod is connected with the sliding block assembly through a connecting structure; the connecting structure comprises a connecting ring arranged at the bottom of the connecting rod, a transverse shaft which is parallel to the axis of the crankshaft and is matched with the connecting ring, and a connecting piece, one end of which is connected with the sliding block assembly, and the other end of which is connected with the transverse shaft.

The punch drives the crankshaft to rotate under the action of the driving component, and the crankshaft drives the connecting component and the sliding block component to perform up-and-down punching action; through the setting of above-mentioned go-between, above-mentioned cross axle is pegged graft in above-mentioned go-between, when being connected in above-mentioned slider subassembly through the connecting piece, can guarantee that the cross axle is connected with above-mentioned go-between, when using, because the setting of cross axle, do not have lateral oscillation, the cross axle is parallel with the axis of bent axle simultaneously for the power of cross axle downward transmission is even, and the power of giving slider subassembly through the connecting piece transmission is even, guarantees the stability of punching press, has improved life.

Further, the sliding block assembly comprises a lower pressing block, a sliding body arranged above the lower pressing block and guide block structures arranged at four corners of the sliding body. The lower pressing block can be used for installing a die, the use is convenient, and the guide block structure is arranged at four corners of the sliding body, so that the stability of the vertical displacement of the sliding body can be ensured.

Further, the guide block structure comprises an installation seat arranged on the shell and a guide bushing plate fixedly arranged on the installation seat; the guide lining plate is provided with a wave-shaped oil guide groove; the lower pressing block is provided with an oil disc matched with the oil guide groove. Two mounting seats are arranged on two sides of the corners of the sliding body, an included angle is formed between the two mounting seats and is matched with the corners of the sliding body, the sliding body has a stable guiding function on the number of rows, the stamping stability is ensured, and the stamping quality is further ensured; through above-mentioned guide bushing plate can change after long-time the use, the oil groove that leads of setting is the wave and can guarantee that fluid fully lays on guide bushing plate, guarantees the lubrication of the sliding body when using, and the bottom food tray can carry out the collection of fluid, guarantees the cleanness of equipment.

Further, the sliding body is provided with a die adjusting assembly. The height can be adjusted according to different moulds and different products, and the device is flexible and multipurpose.

Further, the adjusting module comprises an adjusting block in threaded connection with the outside of the connecting piece, a worm arranged on the sliding body, a worm wheel rim matched with the worm on the outside of the adjusting block in a sleeved mode, and a sealing cover fixedly connected with the sliding body and used for limiting the worm wheel rim. The worm wheel ring is driven to rotate through the rotation of the worm, the worm wheel ring drives the adjusting block to rotate, and then under the action of threads, the connecting piece and the adjusting block relatively move, and then the height is adjusted, so that the structure is simple, and the use is convenient.

Furthermore, the bottom of the connecting piece is provided with an overload protection cylinder; the cylinder body of the overload protection cylinder is fixedly arranged on the sliding body, and the piston is abutted to the bottom of the adjusting block. The overload protection cylinder can release pressure when in overload, so that the safety of each part is ensured, the pressure is adjustable, and the use is flexible.

Further, two stabilizing cylinders are symmetrically arranged at the top of the sliding block assembly. The stable cylinder can offset the gravity of the sliding block assembly and other parts, ensure the smoothness of the transmission of the crank force, ensure the stability of the stamping force, reduce vibration and reduce equipment noise.

Further, the punch press also comprises a discharging mechanism arranged at the bottom of the table top. Ensure smooth discharging, improve production efficiency and prolong service life.

Compared with the prior art, the utility model has the advantages that: simple structure, the atress is even, has improved life, has improved punching press quality, and vibrations little noise is low.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a three-dimensional schematic of the housing of the present utility model.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is a schematic view of the internal structure of the present utility model.

Fig. 8 is a schematic diagram of a discharging mechanism.

Fig. 9 is an enlarged view of D in fig. 8.

Fig. 10 is an enlarged view at E in fig. 8.

Fig. 11 is a partial cross-sectional view of the discharge mechanism.

Fig. 12 is an enlarged view at F in fig. 11.

Fig. 13 is a schematic structural diagram of another embodiment.

In the figure:

1. a housing; 2. a crankshaft; 3. a drive assembly; 4. a slider assembly; 5. a table top; 6. a connecting rod; 7. a eccentric portion; 8. a connecting ring; 9. a horizontal axis; 10. a connecting piece; 11. pressing the block; 12. a slide body; 13. a guide block structure; 14. a mounting base; 15. a guide lining plate; 16. an oil guiding groove; 17. an oil pan; 18. an adjusting block; 19. a worm; 20. a scroll wheel rim; 21. a cover; 22. an overload protection cylinder; 23. a cylinder; 24. a piston; 25. a stabilizing cylinder; 26. a discharging mechanism; 27. a push rod; 28. a swing frame; 29. a rotating shaft; 30. a first swing arm; 31. a second swing arm; 32. a cantilever; 33. a top block; 34. a push rod; 35. a concave arc; 36. arc-shaped bulges; 37. a cam; 38. swing rod; 39. a driven rod; 40. an arc-shaped backing plate.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2 and 3, in the embodiment of the horizontal shaft transmission punch press of the present utility model, the punch press includes a housing 1, a crankshaft 2 is disposed at the top of the housing 1, the crankshaft 2 rotates under the action of a driving component 3, an eccentric portion 7 of the crankshaft 2 is connected with a slide block component 4 through a connecting component, and a table top 5 is disposed at the bottom of the housing 1; in this embodiment, the connecting assembly includes a connecting rod 6, the top of the connecting rod 6 is connected to the eccentric portion 7 in a switching manner, and the bottom is connected to the slider assembly 4 through a connecting structure; the connecting structure comprises a connecting ring 8 arranged at the bottom of the connecting rod 6, a transverse shaft 9 is inserted into the connecting ring 8, and the axis of the transverse shaft 9 is parallel to the axis of the crankshaft 2; the cross shaft 9 is further connected with a connecting piece 10, the connecting piece 10 is connected with the slider assembly 4, the connecting piece 10 can ensure the stability of the position between the cross shaft 9 and the connecting ring 8, and the specific structure is not repeated here. The punch drives the crankshaft 2 to rotate under the action of the driving component 3, and the crankshaft 2 drives the connecting component and the sliding block component 4 to perform up-and-down punching action; through the setting of above-mentioned go-between 8, above-mentioned cross axle 9 peg graft in above-mentioned go-between 8, when being connected in above-mentioned slider subassembly 4 through connecting piece 10, can guarantee the stability that cross axle 9 is connected with above-mentioned go-between 8, when using, because the setting of cross axle 9, do not have lateral oscillation, cross axle 9 is parallel with the axis of bent axle 2 simultaneously for the power of cross axle 9 downward transmission is even, and the power of transmitting for slider subassembly 4 through connecting piece 10 is even, guarantees the stability of punching press, has improved life.

Referring to fig. 1, 2, 3, 5, 6 and 7, the slider assembly 4 includes a lower pressing block 11, a slider 12 disposed above the lower pressing block 11, and guide block structures 13 disposed at four corners of the slider 12; in this embodiment, the guide block structure 13 includes a mounting seat 14 provided on the housing 1 and a guide bushing 15 fixed on the mounting seat 14; the guide lining plate 15 is provided with a wave-shaped oil guide groove 16; the oil pan 17 is provided on the lower pressure block 11 and is adapted to the oil guide groove 16. The lower pressing block 11 can be provided with a die, so that the use is convenient, and the guide block structures 13 are arranged at four corners of the sliding body 12, so that the stability of the up-and-down displacement of the sliding body 12 can be ensured; two mounting seats 14 are arranged on two sides of the corners of the sliding body 12, an included angle is formed between the two mounting seats 14 and is matched with the corners of the sliding body 12, the sliding body 12 has a stable guiding function, the stamping stability is ensured, and the stamping quality is further ensured; through above-mentioned guide bushing 15 can change after long-time use, the oil groove 16 that sets up is the wave and can guarantee that fluid fully lays on guide bushing 15, guarantees the lubrication of the slider 12 when using, and bottom food tray 17 can carry out the collection of fluid, guarantees the cleanness of equipment.

Referring to fig. 2 and 3, the sliding body 12 is provided with a die adjusting assembly, which can adjust the height according to different dies and different products, and is flexible and multipurpose; in this embodiment, the adjusting module comprises an adjusting block 18 screwed on the outside of the connecting piece 10, a worm 19 erected on the sliding body 12, a worm wheel ring 20 sleeved on the outside of the adjusting block 18 and adapted to the worm 19, and a sealing cover 21 fixedly connected on the sliding body 12 and used for limiting the worm wheel ring 20; the worm gear ring 20 is driven to rotate by the rotation of the worm 19, the worm gear ring 20 drives the adjusting block 18 to rotate, and then under the action of threads, the connecting piece 10 and the adjusting block 18 relatively move, and then the height is adjusted, so that the structure is simple, and the use is convenient.

Referring to fig. 2, 3 and 7, an overload protection cylinder 22 is disposed at the bottom of the connecting piece 10, a cylinder body 23 of the overload protection cylinder 22 is fixed on the sliding body 12, and a piston 24 abuts against the bottom of the adjusting block 18; the overload protection cylinder 22 can perform pressure relief when in overload, thereby ensuring the safety of each part, and the pressure is adjustable and the use is flexible; meanwhile, in the embodiment, two stabilizing air cylinders 25 are symmetrically arranged at the top of the sliding block assembly 4, and the stabilizing air cylinders 25 can offset the gravity of the sliding block assembly 4 and other parts, so that the smooth force transmission of the crankshaft 2 is ensured, the stability of the punching force is ensured, meanwhile, the vibration is reduced, and the equipment noise is reduced.

Referring to fig. 1, 4, 7, 8, 9, 10, 11 and 12, in this embodiment, the punch further includes a discharging mechanism 26 disposed at the bottom of the table top 5; in this embodiment, the discharging mechanism 26 includes a driving structure, the driving structure drives a push rod 27, the push rod 27 is vertically disposed, and the push rod 27 reciprocates up and down under the action of the driving structure; a swing frame 28 is connected to the bottom of the push rod 27, the swing frame 28 is rotatably arranged on the punch press shell 1, one end of the swing frame 28 is connected to the bottom of the push rod 27, the other end of the swing frame is connected to a driven rod 39, and the swing frame 28 swings on the shell 1 in the process of moving the push rod 27 up and down so as to drive the driven rod 39 to move; a rotating shaft 29 is arranged below the punch workbench, a first swing arm 30 is arranged at the end part of the rotating shaft 29, and the free end of the first swing arm 30 is connected with the driven rod 39 in a switching way, so that the rotating shaft 29 is stressed to rotate in the moving process of the driven rod 39; the rotating shaft 29 is further provided with two second swing arms 31 at intervals, the second swing arms 31 and the first swing arms 30 are arranged at an angle, and the second swing arms are determined according to the actual installation size or the use condition, and no specific setting is made here; a liftout structure is arranged between the second swing arms 31; in this embodiment, the material ejection structure includes a cantilever 32 rotatably disposed on the second swing arm 31, a jack 33 is rotatably disposed between the cantilever 32, a jack 34 is abutted on the jack 33, the jack 34 is vertically disposed, and the other end is slidingly connected in a guide sleeve at the bottom of the table top 5; in this embodiment, the junction between the top block 33 and the cantilever 32 is located above the top block 33, and in other embodiments, the rotation between the top block 33 and the cantilever 32 may be damped rotation or a limiting block is arranged on the cantilever 32 to limit the rotation angle of the top block 33, so as to ensure the tight contact between the top block 33 and the ejector rod 34, and ensure the smoothness of the ejection, which is not described herein again; the contact surface of the ejector block 33 and the ejector rod 34 is set up by a concave arc 35 with an alarm R, the bottom of the ejector rod 34 is set up by an arc-shaped protrusion 36 with a radius R, and the ratio of R to R is greater than 1.

In this embodiment, the driving structure includes a cam 37 disposed on the housing 1 and a swing link 38 rotatably disposed on the housing 1, one end of the swing link 38 is connected to the top of the push rod 27, and the other end is connected to the cam 37 via a roller; the cam 37 rotates along with the crankshaft 2 of the punch press, and the swing rod 38 swings back and forth in the rotating process of the cam 37, so that the push rod 27 is driven to move, the structure is simple, the driving force of the top punch press is transferred to the lower part of the punch press for ejection, and the structure is simple and the use is reliable; under the action of the driving structure, the vertically arranged push rod 27 can reciprocate up and down, so as to drive the swing frame 28 to swing on the shell 1, and the driven rod 39 drives the first swing arm 30 to swing in the swing process of the swing frame 28, so that the force is transmitted to the bottom of the table top 5 through the arrangement of the structure, and the structure is simple; the first swing arm 30 can drive the rotation of the rotating shaft 29 in the swing process, and the second swing arm 31 which is arranged at an angle with the first swing arm 30 drives the material ejection structure to move up and down, so that material ejection operation is realized; in the initial state, the cantilever 32 is in a vertical state, at this time, the ejector block 33 is in a horizontal state, under the driving of the structure, and in the use state, the cantilever 32 moves obliquely upwards, the ejector block 33 rotates by a certain angle, and after the ejector block 33 rotates by a certain angle due to the arrangement of the concave arc 35 and the arc-shaped protrusion 36, the acting force of the ejector block 33 on the ejector rod 34 is not applied by transverse shearing force along the axial direction of the ejector rod 34, so that the service life of the ejector rod 34 is ensured, the upward running smoothness of the ejector rod 34 is ensured, and the efficiency and quality of ejection are ensured; because the junction between the ejector block 33 and the cantilever 32 is located above the ejector block 33, the ejector block 33 can ensure a vertical state under the action of gravity, so that the ejector block is fully abutted with the bottom of the ejector rod 34 when an upward lifting force is applied to the ejector rod 34, the stability of the ejector rod 34 is ensured, and after the lifting is finished, the quick reset can be ensured, and the device is simple in structure and reliable in use.

Referring to fig. 13, an arc-shaped pad 40 for adapting to the concave arc 35 is provided at the top of the top block 33, and the arc-shaped pad 40 is disposed on the top block 33 through a fixing structure; in this embodiment, the fixing structure is a bolt connection, and in other embodiments, the fixing structure may be arranged in other forms, which is not described herein; the arc-shaped base plate 40 has high hardness, can ensure the integrity of the jacking block 33 after long-time use, solves the abrasion problem, can ensure the use only by replacing the arc-shaped base plate 40 at the later stage, and the ejector rod 34 is inserted into the guide sleeve to be replaced conveniently without disassembling a complex structure, so that the novel arc-shaped base plate is convenient to use.

The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims (9)

1. A transverse shaft transmission punch press comprises a shell, a crankshaft rotationally arranged at the top of the shell, a driving component used for the rotation of the crankshaft, a sliding block component connected with the crankshaft through a connecting component and a table top arranged at the bottom of the shell; the method is characterized in that: the connection assembly comprises

One end of the connecting rod is sleeved on the eccentric part of the crankshaft, and the other end of the connecting rod is connected with the sliding block assembly through a connecting structure;

the connecting structure comprises a connecting ring arranged at the bottom of the connecting rod, a transverse shaft which is parallel to the axis of the crankshaft and is matched with the connecting ring, and a connecting piece, one end of which is connected with the sliding block assembly, and the other end of which is connected with the transverse shaft.

2. The cross-shaft drive punch press of claim 1, wherein: the sliding block assembly comprises a lower pressing block, a sliding body arranged above the lower pressing block and guide block structures arranged at four corners of the sliding body.

3. The cross-shaft drive punch press of claim 2, wherein: the guide block structure comprises a mounting seat arranged on the shell and a guide liner plate fixedly arranged on the mounting seat; the guide lining plate is provided with a wave-shaped oil guide groove; the lower pressing block is provided with an oil disc matched with the oil guide groove.

4. A transverse-axis drive punch press as claimed in claim 2 or claim 3 wherein: and the sliding body is provided with a die adjusting assembly.

5. The cross-shaft drive punch press of claim 4, wherein: the adjusting module comprises an adjusting block in threaded connection with the outside of the connecting piece, a worm arranged on the sliding body, a worm wheel rim which is sleeved with the adjusting block and is matched with the worm, and a sealing cover which is fixedly connected with the sliding body and used for limiting the worm wheel rim.

6. The cross-shaft drive punch press of claim 5, wherein: the bottom of the connecting piece is provided with an overload protection cylinder; the cylinder body of the overload protection cylinder is fixedly arranged on the sliding body, and the piston is abutted to the bottom of the adjusting block.

7. The cross-shaft drive punch press of claim 1 or 2, wherein: two stabilizing cylinders are symmetrically arranged at the top of the sliding block assembly.

8. A transverse axis drive punch as claimed in claim 3 wherein: two stabilizing cylinders are symmetrically arranged at the top of the sliding block assembly.

9. The cross-shaft drive punch press of claim 1 or 2, wherein: the punching machine further comprises a discharging mechanism arranged at the bottom of the table top.