CN216541077U - Material cutting mechanism and straightening, cutting, twisting and chamfering all-in-one machine - Google Patents

Abstract

The utility model discloses a material cutting mechanism and an integrated machine for straightening, cutting, twisting and chamfering, wherein the material cutting mechanism comprises a cutting base, a fixed base, an upper cutter assembly, a lower cutter assembly and a driving mechanism, and the cutting base is provided with a material conveying opening; the lower cutter assembly comprises a lower cutter fixing seat and a round cutter, and the lower cutter fixing seat is provided with a material passing through hole; the upper cutter component comprises an upper cutter fixing seat and an upper cutter; the driving mechanism comprises a rotating shaft, a first cam link mechanism for driving the upper cutter assembly and a second cam link mechanism for driving the lower cutter assembly; a spring is arranged between the upper cutter fixing seat and the lower cutter fixing seat. The material in this application can be placed completely on fixed baseplate, goes up the cutter unit spare and compresses tightly the cutting position that the material was confirmed to the material down, goes upward with last cutter unit spare and cuts the material down, and at whole process of cutting off, the situation such as buckling, deformation can not take place for the part that is downcut, has guaranteed notched level and smooth.

Description

Material cutting mechanism and straightening, cutting, twisting and chamfering all-in-one machine

Technical Field

The utility model relates to automatic processing equipment, in particular to processing equipment with functions of straightening, cutting, twisting and chamfering and a material cutting mechanism of the equipment.

Background

Metal axis body, all need to be through cutting off, deoiling, twisting flower, chamfer technology when processing into man-hour such as toy axletree, gear shaft, clock and watch gear shaft, must use alignment tangent line machine, manual deoiling machine, bistrique beveler and twisting flower machine in proper order to semi-manufactured goods need be transferred in each equipment by the manual work in the course of working, not only expend the manpower, and production efficiency is low, consequently has appeared alignment on the market and has cut off, has twisted flower, chamfer all-in-one to reduce the manpower, improves the efficiency of work production. However, the cutting mechanism of the existing integrated equipment mainly supports the material by cushioning an elastic thimble below the material, and cuts off the material by quickly moving a cutter above the material downwards, but the cutting mechanism has the following defects: the thimble fails to work, so that the notch is uneven; the cutting structure cannot cut materials with short sizes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a material cutting mechanism and an integrated machine for straightening, cutting, twisting and chamfering, and solves the technical problem that the cut of the cutting mechanism is not smooth in the prior art.

The technical scheme adopted by the utility model is as follows: a material severing mechanism comprising: the cutting base is provided with a material conveying opening; the fixed base is arranged on one side of the material conveying opening of the cutting base; the upper cutter assembly is connected with the material cutting base in a sliding mode in the vertical direction so as to press the material on the fixed base; and the lower cutter assembly is in sliding connection with the material cutting base in the vertical direction so as to cut off the material.

Further, down the cutter unit spare includes cutter fixing base and circle cutter down, down the cutter fixing base be equipped with the punishment in advance through-hole of material delivery port intercommunication, the circle cutter is installed the punishment in advance through-hole orientation fixed baseplate one side, circle cutter middle part is equipped with the punishment in advance mouth, just the punishment in advance mouth edge is located to the cutting edge of circle cutter.

Further, the height of the cross section of the material conveying opening along the vertical direction is larger than the width of the cross section of the material conveying opening along the horizontal direction.

Further, still include the actuating mechanism who drives the action of upper cutter subassembly and lower cutter subassembly, actuating mechanism includes: the first cam linkage mechanism comprises a first cam arranged on the rotating shaft and a first driven assembly connected with the upper cutter.

Furthermore, the first driven assembly comprises a first connecting rod, a second connecting rod and a first supporting block, one end of the first connecting rod is rotatably connected with the upper cutter assembly, the other end of the first connecting rod is rotatably connected with the second connecting rod, a roller is arranged at one end of the second connecting rod relative to the first connecting rod, the roller is tangent to the first cam, and the first supporting block is rotatably connected with a rod body of the second connecting rod to serve as a fulcrum.

Further, the driving mechanism further comprises a second cam link mechanism, and the second cam link mechanism comprises a second cam arranged on the rotating shaft and a second driven assembly connected with the lower cutter assembly.

Further, the second driven assembly comprises a transmission piece and a second supporting block; one end of the transmission piece is rotatably connected with the lower cutter assembly, the other end of the transmission piece is provided with a roller, the roller is tangent to the second cam, the second supporting block is rotatably connected with the transmission piece, and the second supporting block is not coincident with a connecting line formed by one end and the other end of the transmission piece.

Furthermore, the driving mechanism also comprises an elastic return piece which drives the upper cutter component to slide upwards.

Furthermore, the upper cutter assembly comprises an upper cutter fixing seat in sliding connection with the blanking base, the lower cutter assembly comprises a lower cutter fixing seat in sliding connection with the blanking base, the lower cutter fixing seat is arranged below the upper cutter fixing seat, and the elastic return piece is a spring arranged between the upper cutter fixing seat and the lower cutter fixing seat.

An integrated machine for straightening, cutting, twisting and chamfering comprises a material cutting mechanism.

Compared with the prior art, the material can be completely placed on the fixed base, the upper cutter assembly compresses the material downwards to determine the cutting position of the material, the lower cutter assembly moves upwards to cut the material with the upper cutter assembly, the cut part cannot be bent or deformed in the whole cutting process, and the smoothness of the cut is guaranteed.

Meanwhile, the cutting mode can cut materials with any length, and the material with any length can be cut by the aid of the thin blade.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a three-dimensional structure of a material cutting mechanism according to the present invention;

FIG. 2 is an assembled view of the body member of the present invention;

FIG. 3 is a schematic view of the workbench with the body member removed according to the present invention.

1. Twisting and chamfering the base; 2. a template; 3. a driving rod of the twisting chamfer; 4. a long screw; 5. a reinforcing plate; 6. a limiting plate; 7. a fixed base; 8. a material pressing driving rod; 9. a blanking base; 91. a first stage; 92. a second stage; 11. a material pushing base; 12. an upper cutter assembly; 121. an upper cutter fixing seat; 122. an upper cutter; 13. a lower cutter assembly; 131. a lower cutter fixing seat; 132. a circular cutter; 14. a material passing through hole; 15. a pushing driving rod; 16. a thrust link; 17. a material pushing slide block; 18. a material pushing plate; 19. a rotating shaft; 21. a first cam; 28. a first link; 29. a second link; 30. a first support block; 31. a second cam; 32. a transmission member; 33. a second support block; 39. an elastic return member; 20. pressing a cross bar; 22. a material pressing rod; 23. a striker plate; 24. a screw positioning block; 25. chamfering the die; 26. a pattern rubbing mould; 27. rubbing and chamfering the sliding block; 34. a frame; 35. a straightening mechanism; 36. a speed regulation control box; 37. a micro-knob; 38. quickly adjusting screws; 40. a drive shaft; 41. a fixing plate; 42. a rocker; 43. a driven balance wheel; 44. material preparation; 45. a channel; 46. fixing the twisting chamfer base; 47. a finished product outlet; 48. fixing the fixed base; 49. fixing the pushing base; 50. fixing the blanking base; 51. an oil guide groove; 52. a wire drawing wheel; 53. a lubricating oil tank; 68. tightening the flower plate sleeve screw; 73. and (7) working lamps.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, the material cutting mechanism in the present application mainly includes a material cutting base 9, a fixed base 7, an upper cutter assembly 12 and a lower cutter assembly 13; the blanking base 9 is used for installing and fixing an upper cutter assembly 12 and a lower cutter assembly 13, the upper cutter assembly 12 slides on the blanking base 9 along the vertical direction, and the lower cutter assembly 13 slides on the blanking base 9 along the vertical direction; the fixed base 7 is arranged on one side of a material conveying opening of the material cutting base 9, the material conveying mechanism sends out the material 44 straightened by the straightening mechanism 35 from the material conveying opening of the material cutting base 9, the material 44 can be placed on the fixed base 7 immediately, the upper cutter assembly 12 and the lower cutter assembly 13 are respectively positioned above and below the material 44, at the moment, the upper cutter assembly 12 slides downwards to press the material 44 on the fixed base 7, and then the lower cutter assembly 13 slides upwards to cut off the material 44. Through the cutting mode, the material 44 can be completely placed on the fixed base 7, the upper cutter assembly 12 presses the material 44 to determine the cutting position of the material 44, the lower cutter assembly 13 and the upper cutter assembly 12 cut the material 44, the cut part does not bend, deform and the like in the whole cutting process, the flatness of a cut is ensured, the material 44 with any length can be cut through the cutting mode, and the material with any length can be cut through the thin blade.

Further, the blanking base 9 is provided with a step shape with the width decreasing from bottom to top, a first step 91 is positioned above the blanking base, a second step 92 is positioned below the blanking base, the first step 91 is used for installing the upper cutter assembly 12, and the second step 92 is used for installing the lower cutter assembly 13; the upper cutter assembly 12 comprises an upper cutter fixing seat 121, an upper chute which is vertically arranged is arranged on the blanking base 9, the upper cutter fixing seat 121 is connected with the upper chute of the blanking base 9 in a sliding mode, the upper chute is a dovetail groove, the upper cutter fixing seat 121 is matched with the dovetail groove in shape, an upper cutter 122 is mounted on the upper cutter fixing seat 121, and the upper cutter 122 slides up and down along with the upper cutter fixing seat 121; lower cutter unit spare 13 includes cutter fixing base 131 down, be provided with the lower spout of vertical setting on the blank base 9, lower cutter fixing base 131 and the lower spout sliding connection of blank base 9, the lower spout is the dovetail, lower cutter fixing base 131 and the shape looks adaptation of dovetail, be equipped with punishment in advance through-hole 14 at cutter fixing base 131 down, punishment in advance through-hole 14 and material delivery opening intercommunication, make material 44 wear out from punishment in advance through-hole 14 of cutter fixing base 131 down, and be equipped with circle cutter 132 on punishment in advance through-hole 14 one side towards fixed baseplate 7, the middle part of this circle cutter 132 is the punishment in advance mouth, material 44 passes from the punishment in advance mouth in circle cutter 132 middle part, the cutting edge of circle cutter 132 sets up the edge at the punishment in advance mouth, thereby can enough have limiting displacement to material 44, can cut off material 44 when lower cutter unit spare 13 removes again.

Further, the cross section of the material conveying opening has a length, and the length direction is vertical, so that the material conveying opening can give way when the lower cutter assembly 13 moves up and down, and the material 44 cannot be bent and deformed greatly.

Further, the present application further includes a driving mechanism for driving the upper cutter assembly 12 and the lower cutter assembly 13 to perform a sliding motion, the driving mechanism may be a common driving device in the market, and may adopt a mode of driving the upper cutter assembly 12 and the lower cutter assembly 13 respectively, or a mode of linking the upper cutter assembly 12 and the lower cutter assembly 13.

In this embodiment, the driving mechanism specifically includes a rotating shaft 19, a first cam link mechanism and a second cam link mechanism, the rotating shaft 19 is synchronously driven by the driving motor, and the rotating shaft 19 is simultaneously in transmission connection with the first cam link mechanism and the second cam link mechanism, so as to achieve the effect of linkage of the upper cutter assembly 12 and the lower cutter assembly 13.

The first cam link mechanism comprises a first cam 21 and a first driven component, wherein the first cam 21 can be an eccentric wheel arranged on the rotating shaft 19 or a special-shaped wheel which is designed according to the motion track; the first driven component comprises a first connecting rod 28, a second connecting rod 29 and a first supporting block 30, one end of the first connecting rod 28 is rotatably connected with the upper cutter component 12, the other end of the first connecting rod 28 is rotatably connected with the second connecting rod 29, a roller is arranged at one end of the second connecting rod 29 relative to the first connecting rod 28, the roller is tangent to the first cam 21, the first supporting block 30 is rotatably connected with a rod body of the second connecting rod 29 to serve as a fulcrum, when the rotating shaft 19 rotates, under the driving of the first cam 21, the end of the second connecting rod 29 is jacked up, so that the first connecting rod 28 is driven to move downwards, and the upper cutter component 12 is driven to slide downwards in a synchronous mode.

The second cam link mechanism comprises a second cam 31 arranged on the rotating shaft 19 and a second driven component connected with the lower cutter component 13, the second driven component comprises a transmission piece 32 and a second supporting block 33, one end of the transmission piece 32 is rotatably connected with the lower cutter component 13, the other end of the transmission piece 32 is provided with a roller, the roller is tangent to the second cam 31, the second supporting block 33 is rotatably connected with the transmission piece 32, a connecting line formed by one end of the second supporting block 33 and the other end of the transmission piece 32 is not overlapped, when the rotating shaft 19 rotates, the second cam link mechanism synchronously abuts against one end of the transmission piece 32 and rotates under the action of a fulcrum of the second supporting block 33, and therefore the transmission piece is driven to upwards push against the lower cutter component 13 to upwards slide.

This enables the movement of the upper and lower cutter assemblies 12 and 13 to be linked in the following sequence: the upper cutter assembly 12 presses the material 44 first, and then the lower cutter assembly 13 moves up to cut the material 44.

Further, the driving mechanism further includes an elastic return member 39 for driving the upper cutter assembly 12 to slide upwards, in this embodiment, the lower cutter fixing seat 131 is disposed below the upper cutter fixing seat 121, the elastic return member 39 is a spring disposed between the upper cutter fixing seat 121 and the lower cutter fixing seat 131, after the cutting motion is completed, the first cam 21 and the second cam 31 no longer have a driving function on the lower cutter fixing seat 131 and the upper cutter fixing seat 121, at this time, the spring bounces the lower cutter fixing seat 131 and the upper cutter fixing seat 121, and the lower cutter fixing seat 131 and the upper cutter fixing seat 121 return.

As shown in fig. 2 and 3, the present application further provides an integrated machine for straightening, cutting, twisting and chamfering, which includes a frame 34, a motor and a transmission mechanism driven by the motor are disposed in the frame 34, and a processing member driven by the transmission mechanism is disposed above the frame 34. The processing component comprises a fixed base 7, a material cutting base 9, a material feeding base, a straightening mechanism 35, a material conveying mechanism (not shown in the figure), a twisting chamfer base 1 and a material pushing base 11, wherein the fixed base 7, the material cutting base 9, the material feeding base, the straightening mechanism 35 and the material conveying mechanism are sequentially arranged at the center line of the upper portion of the rack 34, and the twisting chamfer base 1 and the material pushing base 11 are positioned on two sides of the fixed base 7.

A material baffle plate 23 is arranged above the fixed base 7 and is parallel to the side edge of the fixed base, a material cutting base 9 is arranged outside the material baffle plate 23, and a material pressing rod 22 is arranged above the fixed base 7 and is parallel to the material baffle plate 23.

A twisting chamfer slide block 27 is vertically arranged on the twisting chamfer base 1, a template 2 (two templates 2 are matched into a whole) with the installation direction perpendicular to the material baffle 23 is respectively arranged at the side parts of the twisting chamfer slide block 27 and the fixed base 7, and a twisting mold 26 and a chamfer mold 25 are arranged on the template 2; the two chamfering dies 25 are respectively positioned on two sides of the knurling die 26, so that chamfering can be simultaneously realized during knurling processing. The other side surface of the fixed base 7 parallel to the surface for arranging the template 2 is embedded with a clamping pattern sleeve screw 68 matched with the template 2, so that the clamping pattern sleeve screw 68 is adjusted from the outside to fasten a transverse plate sleeve on the template 2 when the mold is installed or debugged, and the danger of workers is avoided.

A material pushing sliding block 17 is horizontally arranged on the material pushing base 11, the sliding direction of the material pushing sliding block is parallel to the material blocking plate 23, a material pushing plate 18 is fixed on the material pushing sliding block 17, and one end of the material pushing plate 18 extends to the material blocking plate 23 on the upper portion of the fixed base 7; when the pushing slide block 17 slides, the pushing plate 18 moves towards the material 44 to push the material 44 to the knurling chamfer base 1.

A reinforcing plate 5 is arranged above the fixed base 7 in parallel to the striker plate 23, a limiting plate 6 is arranged on the inner side of the reinforcing plate 5 and is matched and pressed with the striker plate 23 through a dovetail groove, the limiting plate 6 is connected with the fixed base 7 through a screw positioning block 24 on the upper portion of the limiting plate 6, a long groove body is arranged at the matching position of the middle portion of the limiting plate 6 and the screw positioning block 24, the limiting plate 6 can slide by loosening a screw of the screw positioning block 24, the matching amount of the striker plate 23 and the limiting plate 6 is adjusted, and therefore the position of the striker plate 23 can be adjusted; meanwhile, the reinforcing plate 5 penetrates through the three long screws 4 to be matched with the limiting plate 6, the long screw 4 in the middle plays a role in pulling the limiting plate 6, and the long screws 4 on the two sides play a role in pushing the limiting plate 6, so that the position of the limiting plate 6 is stabilized, and the striker plate 23 is ensured to have a stable inclination angle during machining operation; and loosen screw locating piece 24 and adjust three long screw 4 and the cooperation volume of limiting plate 6, can change striker plate 23 and the distance of supplied materials locating piece to change feeding length. The pressing rod 22 is fixed on a pressing cross rod 20, the end of the pressing cross rod extends to the edge of the fixed base 7, the pressing cross rod 20 is connected with a pressing driving rod 8 which is movably sleeved on the fixed base 7, and when the pressing driving rod 8 slides up and down, the pressing rod 22 is close to or far away from the upper plane of the fixed base 7.

A rectangular oil guide groove 51 is formed in the upper portion of the machine frame 34 and is deviated to one side, a feeding base, a fixing base fixing position 48, a cutting base fixing position 50, a pushing base fixing position 49 and a twisting chamfer base fixing position 46 are correspondingly arranged in the range of the oil guide groove 51, and a finished product outlet 47 is formed between the twisting chamfer base fixing position 46 and the fixing base fixing position 48; the positions of the twisting chamfer base fixing position 46, the fixing base fixing position 48 and the material cutting base fixing position 50 are all provided with a channel 45 penetrating through the rack 34, and the corresponding twisting chamfer driving rod 3, the material pressing driving rod 8 and the like penetrate through the channel 45 to be matched with a transmission mechanism in the rack 34. The feeding base is provided with two wire drawing wheels 52 which are matched with each other, and is provided with a quick adjusting screw 38 and a micro knob 37; the micro-knob 37 is positioned at the upper part of the feeding base, and the distance between the two wire drawing wheels 52 is changed through manual rotation, so that the micro-knob is suitable for processing steel wires (materials 44) with different sizes; the quick adjusting screw 38 is arranged at the side part of the feeding base, and can realize the quick adjustment of the distance between the two wire drawing wheels 52, so that the feeding of the steel wire can be quickly stopped when the equipment fails; the wire drawing wheel 52 is in matched transmission with the driven balance wheel 43 through a transmission shaft 40, a fixing plate 41 is sleeved at the position, close to the driven balance wheel 43, of the transmission shaft 40, and ratchet mechanisms which are matched with the transmission shaft 40 but have opposite action directions are arranged in the driven balance wheel 43 and the fixing plate 41, so that the wire drawing wheel 52 only rotates in the feeding direction; the driven balance wheel 43 is provided with a rocker 42, the driven balance wheel 43 is driven by the rocker 42 to do reciprocating deflection motion with a fixed angle, so that the wire drawing wheel 52 intermittently feeds materials in a fixed amount, and the feeding length is determined by the deflection angle of the driven balance wheel 43.

A speed regulating control box 36 connected with a motor circuit is also arranged above the frame 34, so that the processing speed is convenient to regulate and debug; the side part of the frame 34 is provided with a lubricating oil tank 53 which is connected with each mechanism by a guide pipe, and when the pressure rod of the lubricating oil tank 53 is pressed by hand, the lubricating oil flows to each part needing to be lubricated along the guide pipe; a working lamp 73 is arranged above the frame 34, so that the operation is convenient.

The working process of the utility model is as follows: under the action of a motor-driven transmission mechanism, a wire drawing wheel 52 pulls a steel wire (namely, a material 44) straightened by a straightening mechanism 35 to be intermittently fed into a material conveying opening and a material passing through hole 14, the end part of the steel wire touches a material baffle plate 23, the feeding length is limited at the moment, an upper cutter assembly 12 and a lower cutter assembly 13 are matched to cut off the steel wire, meanwhile, the steel wire is tightly pressed by a material pressing steel wire, a material pushing plate 18 pushes the steel wire into the edge of a fixed base 7, a knurling and chamfering slide block 27 is just positioned at the upper end of a sliding stroke and slides downwards, a knurling mold 26 and a chamfering mold 25 on the knurling and chamfering slide block 27 are just aligned with the steel wire to be in contact with the steel wire and drive the steel wire to move downwards, and the steel wire is knurled and chamfered under the matching with a mold fixed on the fixed base 7; the last formed wire falls into the finished product outlet 47. The full-automatic processing one-step forming machine disclosed by the utility model has the advantages of one-step forming (straightening, cutting, twisting and chamfering), simplicity in operation, stability in processing, smooth and non-flying knife edge and suitability for iron wires, steel wires, copper wires and stainless steel wires.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A material severing mechanism, comprising:

the cutting base is provided with a material conveying opening;

the fixed base is arranged on one side of the material conveying opening of the cutting base;

the upper cutter assembly is connected with the material cutting base in a sliding mode in the vertical direction so as to press the material on the fixed base;

and the lower cutter assembly is in sliding connection with the material cutting base in the vertical direction so as to cut off the material.

2. The material cutting mechanism according to claim 1, wherein the lower cutter assembly comprises a lower cutter fixing seat and a circular cutter, the lower cutter fixing seat is provided with a material passing through hole communicated with the material conveying opening, the circular cutter is installed on one side of the material passing through hole, which faces the fixing base, a material passing opening is formed in the middle of the circular cutter, and a cutting edge of the circular cutter is arranged on the edge of the material passing opening.

3. The material severing mechanism of claim 2, wherein a height of a cross-section of the material delivery port in a vertical direction is greater than a width of the cross-section of the material delivery port in a horizontal direction.

4. The material severing mechanism of claim 1, further comprising a drive mechanism for driving the upper and lower cutter assemblies into motion, the drive mechanism comprising: the first cam linkage mechanism comprises a first cam arranged on the rotating shaft and a first driven assembly connected with the upper cutter.

5. The material severing mechanism of claim 4, wherein the first follower assembly comprises a first link, a second link and a first support block, one end of the first link is rotatably connected to the upper cutter assembly, the other end of the first link is rotatably connected to the second link, a roller is disposed on the second link opposite to one end of the first link, the roller is tangent to the first cam, and the first support block is rotatably connected to the rod body of the second link as a fulcrum.

6. The material severing mechanism of claim 4, wherein the drive mechanism further comprises a second cam linkage including a second cam disposed on the shaft and a second follower assembly connected to the lower cutter assembly.

7. The material severing mechanism of claim 6, wherein said second driven assembly includes a drive member and a second support block; one end of the transmission piece is rotatably connected with the lower cutter assembly, the other end of the transmission piece is provided with a roller, the roller is tangent to the second cam, the second supporting block is rotatably connected with the transmission piece, and the second supporting block is not coincident with a connecting line formed by one end and the other end of the transmission piece.

8. The material severing mechanism of claim 4, wherein said drive mechanism further comprises a resilient return member that slides said upper knife assembly upward.

9. The material severing mechanism of claim 8, wherein the upper cutter assembly includes an upper cutter mount slidably coupled to the blanking base, the lower cutter assembly includes a lower cutter mount slidably coupled to the blanking base, the lower cutter mount is disposed below the upper cutter mount, and the resilient return member is a spring disposed between the upper cutter mount and the lower cutter mount.

10. An integrated machine for straightening, cutting, graining and chamfering, which is characterized by comprising a material cutting mechanism according to any one of claims 1 to 9.

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