CN211915511U - Trimmer is used in gear plastic processing - Google Patents

Abstract

The utility model relates to a trimmer is used in gear plastic processing, which comprises a frame, be provided with in the frame and change the material device, change the material device including locating loading attachment in the frame, be located the blevile of push and the material feeding unit of loading attachment's relative both sides, blevile of push and material feeding unit are driven by same actuating mechanism. The utility model has the advantages of energy saving and production cost reduction.

Description

Trimmer is used in gear plastic processing

Technical Field

The utility model belongs to the technical field of the technique of gear machining and specifically relates to a trimmer is used in gear plastic processing.

Background

The powder metallurgy gear has wide application in the fields of motorcycles, electric tools and automobile parts. The powder metallurgy gear is mainly prepared by the processes of mixing, molding, sintering, finishing and the like of powder. Due to the characteristics of the produced powder metallurgy gear, the gear is slightly changed after sintering, and the size of the gear is changed at the moment, so that the gear cannot meet the process standard of high-precision requirements and needs to be further processed. For this reason, precision shaping of sintered gears is commercially performed to achieve the precision of use of powder metallurgy gears. However, the method for finishing the precise shaping of the gear by manual operation is commonly adopted in the market, the gear is manually placed on a shaping die to finish the shaping process, errors are easily caused by manual positioning, and the production efficiency is low.

At present, the Chinese patent with the publication number of CN104972132B discloses a full-automatic powder metallurgy gear shaper. The automatic feeding device comprises a frame, a motor, a crankshaft, a transmission device, a feeding device, a pushing device and a stamping device; the rear end of the upper part of the frame is provided with a motor, and the frame at the front end of the motor is provided with a crankshaft; the two ends of the crankshaft respectively extend to the outer side of the frame, and a driving wheel is arranged on the crankshaft extending to one end of the outer side of the frame and connected with the motor through a driving belt; a transmission device is arranged on the rack below the crankshaft extending to the other end of the outer side of the rack, and one end of the transmission device is meshed with the crankshaft; the crankshaft is provided with a stamping device, a shaping die is arranged on a working table surface below the stamping device, a vibration feeding disc is arranged on the working table surface at the front end of the shaping die, a feeding device is arranged on the working table surface on one side of the vibration feeding disc, the feeding device is connected with the other end of the transmission device, a pushing device is arranged on the working table surface on one side of the feeding device, and the feeding device is respectively in intermittent contact connection with the shaping die and the vibration feeding disc. The invention solves the problems of high labor intensity and low efficiency of the existing manual mode.

When the device is used, the transmission device drives the feeding clamping jaw in the feeding device to realize the sliding of the feeding clamping jaw in the sliding groove towards the direction of the shaping die, the resetting of the feeding clamping jaw is realized through the reset spring, and the reciprocating motion of the feeding clamping jaw is realized under the combined action of the transmission device and the reset spring; the pushing device is independently provided with the pushing cylinder, the pushing head is pushed by the pushing cylinder to push the gear to be processed to the feeding clamping jaw in the feeding device, and power sources for driving the feeding clamping jaw and the pushing head to move are respectively arranged during feeding and pushing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a trimmer is used in gear plastic processing has the energy saving, reduction in production cost's advantage.

The above object of the present invention is to provide a gear shaping machine, which can be realized by the following technical solutions: a shaper for shaping and processing gears comprises a rack, wherein a material rotating device is arranged on the rack and comprises a feeding device arranged on the rack, and a material pushing device and a material feeding device which are positioned on two opposite sides of the feeding device, wherein the material pushing device and the material feeding device are driven by the same driving mechanism.

By adopting the technical scheme, the driving mechanism drives the material pushing device and the material feeding device to move simultaneously, the driving mechanism arrangement of the material pushing device and the material feeding device which are arranged independently is reduced, the energy is saved, the production cost is reduced, and meanwhile, the failure rate of the gear shaper is reduced under the driving of the same driving mechanism.

Preferably, loading attachment is equipped with the workstation that is used for supporting loading attachment including locating the supporting shoe in the frame and installing the silo of going up on the supporting shoe, goes up the silo and sets up and butt to the workstation towards the workstation slope, goes up the silo and is connected and lie in the supporting shoe opening with the supporting shoe of "U" type, is connected with the positioning bolt who is used for fixed silo of going up on the supporting shoe outer cell wall of silo of going up.

Through adopting above-mentioned technical scheme, the supporting shoe plays the supporting role for the feeding trough, and the setting of positioning bolt can be adjusted the feeding trough and in the position of supporting shoe in the opening, can be applicable to the feeding trough of multiple different specifications.

Preferably, the opening of the feeding groove is provided with an isolation net which extends along the length direction of the feeding groove, a clamping piece used for fixing the isolation net is arranged above the isolation net, and the isolation net is positioned between the upper end face of the feeding groove and the clamping piece.

Through adopting above-mentioned technical scheme, go up the silo and be located the chucking spare opening, the separation net is located between silo up end and the chucking spare, and the separation net can prevent that the gear in the silo from shaking out from the silo opening part, reduces on debris fall the silo, and can observe the material loading condition at any time when adding man-hour.

Preferably, blevile of push is including setting up ejector pad, ejector lever, first stopper, second stopper, first baffle and the second baffle on the workstation, and ejector pad one end is connected with the ejector lever, and first stopper and second stopper symmetry set up the both sides at the ejector pad, and first baffle is connected in the upper end of first stopper, and the second baffle is located the upper end of second limiting plate, and first baffle and first stopper, second baffle and second limiting plate have formed the gliding spacing groove of confession ejector pad with the workstation.

Through adopting above-mentioned technical scheme, first stopper, second stopper and workstation have formed the directional sharp spout of ejector pad and ejector pin, make ejector pad and ejector pin slide along the upper surface level of workstation, combine first baffle and second baffle to inject the ejector pad and slide in the spacing inslot, make the ejector pin all promote the same position of waiting to process the gear at every turn to the more accurate propelling movement is waited to process the gear.

Preferably, the driving mechanism comprises a motor, a transmission shaft, a first bevel gear, a second bevel gear, a first cam and a second cam, the motor is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is sleeved on the transmission shaft, the transmission shaft is connected with the first cam and the second cam which are arranged up and down, protruding parts of the first cam and the second cam are arranged in a staggered mode, the motor drives the first cam and the second cam to rotate simultaneously, and the first cam and the second cam respectively drive the material pushing device and the material feeding device to move intermittently.

By adopting the technical scheme, the same motor realizes pushing of the pushing device and pushing and feeding of the feeding device by arranging the first cam and the second cam on the transmission shaft, so that the arrangement of more driving mechanisms is reduced, and the production cost is reduced.

Preferably, a first sliding groove used for being connected with the material pushing device is formed in the side face of the first cam, and a second sliding groove used for being connected with the material feeding device is formed in the side face of the second cam.

By adopting the technical scheme, the arrangement of the first sliding groove and the second sliding groove limits the sliding positions of the material pushing device and the material feeding device on the first cam and the second cam respectively, so that the limiting effect is achieved.

Preferably, still be equipped with between actuating mechanism and the blevile of push and push away material drive mechanism, it includes the movable rod to push away material drive mechanism, slider and reset spring, the movable rod includes first movable rod and second movable rod, first movable rod and second movable rod are connected and are formed the movable rod of "L" type, the junction of first movable rod and second movable rod rotates and connects in the frame, first movable rod is close to first cam setting, the slider sets up in the tip that first movable rod is close to first cam and with first spout sliding connection, the tip and the blevile of push of second movable rod are connected, reset spring one end is connected at first movable rod upper end, the other end is connected on the workstation.

By adopting the technical scheme, the motor drives the first cam to rotate, the sliding block slides from the end part of the first cam, which is far away from the transmission shaft, to the end part of the first cam, which is close to the transmission shaft, the sliding block drives the first movable rod to move towards the joint of the second movable rod and the material pushing device, the second movable rod takes the rotary joint of the movable rod and the rack as the center of a circle and does circular arc motion towards the direction of the material pushing device, the reset spring restores the natural length, and the second movable rod drives the material pushing device to move; the sliding block slides from the end part of the first cam end part close to the transmission shaft to the end part of the first cam end part far away from the transmission shaft, the reset spring stretches to drive the first movable rod to reset, and the pushing transmission mechanism and the reset spring are combined to provide driving for the pushing device.

Preferably, the feeding device comprises a feeding block, a first clamping block and a second clamping block which are arranged on the workbench, the first clamping block and the second clamping block are both connected to the side face, facing the pushing device, of the feeding block, and the first clamping block, the second clamping block and the feeding block form a clamping opening used for clamping the gear to be machined.

By adopting the technical scheme, the clamping opening formed by the first clamping block, the second clamping block and the feeding block is convenient for fixing the gear to be processed.

Preferably, the first clamping block is located at the end of the feeding block and hinged to the feeding block, a torsion spring is arranged at the joint of the first clamping block and the feeding block, two ends of the torsion spring are respectively inserted into the first clamping block and the feeding block, and a positioning tooth meshed with the gear to be machined is arranged on the first clamping block.

Through adopting above-mentioned technical scheme, the setting of torsional spring so that will wait to process the gear propelling movement to pressing from both sides the mouth more easily, the location tooth with wait to process the gear engagement so that wait to process the gear position in pressing from both sides the mouth in plastic gear mold phase-match, make each wait to process the gear and be located the intraoral rigidity of clamp, towards processing position pay-off more accurately.

Preferably, a feeding transmission mechanism is further arranged between the feeding device and the driving mechanism, the feeding transmission mechanism comprises a driving plate, a driving plate and a rotating plate, the driving plate is located on one side of the second cam, the driving plate is arranged at the end portion, close to the second cam, of the driving plate, the side face of the driving plate is in sliding connection with the second sliding groove in the second cam, the other end of the driving plate is connected with the rotating plate and forms a certain included angle, the connecting portion of the rotating plate and the driving plate is rotatably connected to the bottom face of the workbench, and the other end of the driving plate is rotatably connected with the feeding.

Through adopting above-mentioned technical scheme, the driving-disc constantly is reciprocating motion between the tip that the transmission shaft was kept away from at the second cam and the tip that is close to the transmission shaft, and frictional force between driving-disc and the second cam drives the driving-disc and moves from the direction of keeping away from the transmission shaft towards being close to the transmission shaft, drives the rotor plate and keeps away from the transmission shaft, and the rotor plate uses the junction of driving-disc and rotor plate to do reciprocating circular motion as the centre of a circle, provides drive power for material feeding unit.

To sum up, the utility model discloses a beneficial technological effect does:

1. the motor is started, the first cam and the second cam are arranged on the transmission shaft up and down, the feeding block and the feeding rod are driven through the material pushing transmission mechanism and the material feeding transmission mechanism, the arrangement of an independent driving mechanism is reduced, resources are saved, and the production cost is reduced.

2. The supporting shoe plays the supporting role for the feeding trough, and the position of the feeding trough in the opening can be adjusted by setting the positioning bolt, so that the feeding trough can be suitable for feeding troughs of various specifications.

3. The feeding groove is located in the opening of the clamping piece, the separation net is located between the upper end face of the feeding groove and the clamping piece, the separation net can prevent the gear in the feeding groove from vibrating out from the opening of the feeding groove, and the feeding condition can be observed at any time during processing.

Drawings

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

Fig. 2 is a schematic structural diagram of the feeding device of the present invention.

Fig. 3 is a schematic structural diagram of a part of the structure in the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of another viewing angle of the feeding device of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Fig. 7 is a schematic structural diagram of the feeding transmission mechanism of the present invention.

Fig. 8 is a partially enlarged schematic view of a portion C in fig. 7.

In the figure, 1, a workbench; 2. shaping the die; 21. processing stations; 3. a feeding device; 31. a feeding trough; 32. a support block; 321. a first splint; 322. a second splint; 323. a base plate; 33. positioning the bolt; 34. an isolation net; 35. a retainer; 4. a drive mechanism; 41. a motor; 42. a drive shaft; 43. a first bevel gear; 44. a second bevel gear; 45. a first cam; 46. a second cam; 5. a feeding device; 51. a feeding block; 52. a first clamping block; 53. a second fixture block; 54. positioning teeth; 55. a torsion spring; 551. a first clamping groove; 552. a second clamping groove; 56. a guide block; 57. a limiting plate; 58. a fixing plate; 59. an extension spring; 60. a fixed shaft; 6. a feeding transmission mechanism; 61. a drive plate; 62. a rotating plate; 63. a drive disc; 64. a long hole; 7. a material pushing device; 71. a material pushing rod; 72. a push block; 73. a first stopper; 74. a second limiting block; 75. a first baffle plate; 76. a second baffle; 8. a pushing transmission mechanism; 81. a connecting rod; 82. a movable rod; 821. a first movable bar; 822. a second movable bar; 83. a slider; 84. a return spring; 9. a frame; 10. and vibrating the feeding disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 8.

Referring to fig. 1 and 2, for the utility model discloses a trimmer is used in gear plastic processing, be provided with the plastic mould in its frame, one side that is located the plastic mould in the frame is provided with the commentaries on classics material device of treating the processing material to the processing position transport of plastic mould, changes the material device including setting up loading attachment in the frame, be located the blevile of push of loading attachment one side and be located the material feeding unit of loading attachment opposite side.

Wherein, loading attachment 3 including set up the last silo 31 that the opening upwards just both ends link up on workstation 1, go up silo 31 and incline towards 1 direction of workstation and set up, go up the higher extreme of silo 31 and vibrate and go up charging tray 10 and be connected, the lower extreme butt joint of going up silo 31 to workstation 1, wait to process the gear and follow the higher extreme entering of last silo 31, by the lower extreme roll-off of last silo 31. The feeding trough 31 is connected with a U-shaped supporting block 32, the feeding trough 31 is positioned in an opening of the supporting block 32, the bottom of the supporting block 32 is fixed on the workbench 1, the supporting block 32 is composed of a bottom plate 323, a first clamping plate 321 and a second clamping plate 322 which are perpendicular to the bottom plate 323, the first clamping plate 321 and the second clamping plate 322 form the opening of the supporting block 32, and the upper end face of the bottom plate 323 is obliquely arranged towards the lower end of the feeding trough 31. The first clamping plate 321 and the second clamping plate 322 are both provided with a positioning bolt 33 for fixing the feeding trough 31, and the positioning bolt 33 passes through the first clamping plate 321 and abuts against the wall of the trough outside the feeding trough 31. In the present embodiment, two positioning bolts 33 are provided on the first clamp plate 321, and similarly, the positioning bolts 33 are provided on the second clamp plate 322. The positioning bolt 33 can adjust the position of the feeding trough 31 between the first clamping plate 321 and the second clamping plate 322, and can be used for fixing feeding troughs 31 with different specifications.

Referring to fig. 2, an opening above the feeding trough 31 is covered with a separation net 34, the separation net 34 extends along the length direction of the feeding trough 31, and the separation net 34 is made of a stainless steel wire net. One side that the separation net 34 kept away from last silo 31 is connected with the chucking spare 35 that is used for fixed separation net 34, chucking spare 35 sets up feed end and discharge end and the middle part setting near last silo 31, chucking spare 35 is "U" type setting joint on last silo 31, separation net 34 passes through chucking spare 35 to be fixed on last silo 31, separation net 34 can prevent that the gear in the silo 31 from shaking out from the silo 31 opening part of following, avoid debris to fall into the silo 31 of going up, and can observe the material loading condition at any time when processing.

Referring to fig. 1, a driving mechanism 4 is arranged on one side of a workbench 1, the driving mechanism 4 comprises a motor 41, a transmission shaft 42, a first bevel gear 43, a second bevel gear 44, a first cam 45 and a second cam 46, the output shaft of the motor 41 is connected with the first bevel gear 43, the first bevel gear 43 is meshed with the second bevel gear 44, the transmission shaft 42 is sleeved on the second bevel gear 44, the transmission shaft 42 is vertically arranged and fixed on a rack 9 through a bearing, the transmission shaft 42 is connected with the first cam 45 and the second cam 46 which are vertically arranged, and the convex parts of the first cam 45 and the second cam 46 are arranged in a staggered manner. Referring to fig. 3, one side of the first cam 45 is connected to the pushing transmission mechanism 8, and the pushing transmission mechanism 8 drives the pushing device 7 to push the gear.

Referring to fig. 3, the pushing device 7 is located on the workbench 1, the pushing device 7 includes a pushing rod 71, an end of the pushing rod 71 is aligned with the gear to be processed at the outlet of the feeding chute 31, an end of the pushing rod 71 away from the outlet of the feeding chute 31 is connected with a pushing block 72, the pushing block 72 is arranged along a sliding direction of the pushing rod 71, and the pushing block 72 is connected with the pushing transmission mechanism 8.

Referring to fig. 3, along the moving direction of the pushing block 72, a first limiting block 73 and a second limiting block 74 are arranged on two sides of the pushing block 72, the length of the second limiting block 74 is larger than that of the first limiting block 73, the end portion of the second limiting block 74 extends to the outlet of the feeding chute 31, a first baffle 75 and a second baffle 76 are respectively connected to the first limiting block 73 and the second limiting block 74 through bolts, the first baffle 75 and the first limiting block 73, and the cross sections of the second baffle 76 and the second limiting block 74 form an inverted L-shaped structure, the two inverted L-shaped structures and the workbench 1 form a material pushing area for limiting sliding of the sliding block, and the limiting block is prevented from being separated from the workbench 1 during moving.

Referring to fig. 3, the pushing transmission mechanism 8 includes a connection rod 81, a movable rod 82, a slider 83 and a return spring 84, the movable rod 82 includes a first movable rod 821 and a second movable rod 822, the first movable rod 821 and the second movable rod 822 are connected to form the "L" shaped movable rod 82, corners of the first movable rod 821 and the second movable rod 822 are rotatably connected to the frame 9 through a pin, the first movable rod 821 is disposed near the first cam 45, and the slider 83 is disposed at an end of the first movable rod 821 and abuts against a side of the first cam 45. A first sliding groove is formed in a side surface of the first cam 45, the sliding block 83 slides in the first sliding groove, and the sliding position of the sliding block 83 on the first cam 45 is limited by the arrangement of the first sliding groove. The end of the second movable rod 822 is rotatably connected with the connecting rod 81 to form a certain included angle, the other end of the connecting rod 81 is hinged to the pushing block 72, and the connecting rod 81 is arranged along the moving direction of the pushing rod 71. One end of the return spring 84 is fixedly connected to the upper end of the first movable rod 821 through a pull ring, and the other end is connected to the workbench 1 through a pull ring.

Referring to fig. 3, the motor 41 drives the first cam 45 to rotate, the slider 83 slides from the end of the first cam 45 far from the transmission shaft 42 to the end of the first cam 45 close to the transmission shaft 42, at this time, the return spring 84 gradually recovers to the natural length, the slider 83 drives the first movable rod 821 to move towards the connection position close to the connection rod 81 and the second movable rod 822, the second movable rod 822 takes the rotation connection position of the movable rod 82 and the frame 9 as the center of a circle and moves in an arc towards the length direction of the push block 72, the second movable rod 822 drives the connection rod 81, the push block 72 and the push rod 71 to move towards the outlet end of the feeding chute 31, the push rod 71 pushes a gear to be processed sliding onto the working table 1, and when the push rod 71 moves towards the direction far from the connection rod 81, the push block 72 moves to the outlet end of the feeding chute 31, so as to prevent another gear to be processed in the feeding chute 31 from continuously sliding onto the, is not beneficial to the resetting of the material pushing rod 71.

Referring to fig. 3, when the sliding block 83 slides from the end of the first cam 45 close to the end of the transmission shaft 42 to the end of the first cam 45 far from the end of the transmission shaft 42, the return spring 84 is gradually stretched, and the movable rod 82 drives the connecting rod 81, the push block 72 and the push rod 71 to return, at this time, the push rod 71 is located at the outlet of the feeding chute 31, and the end of the push rod 71 abuts against one side of the gear to be processed. When the first cam 45 drives the material pushing rod 71 to move away from the pushing block 72, the material pushing rod 71 pushes a new gear to be machined to move into the next cycle.

Referring to fig. 3 and 4, the feeding device 5 includes a feeding block 51 slidably connected to the workbench 1, the feeding block 51 is located on one side of the feeding chute 31 and perpendicular to the moving direction of the pushing rod 71, the feeding block 51 is perpendicularly connected with a first fixture block 52 and a second fixture block 53 towards one side of the pushing rod 71, the first fixture block 52, the second fixture block 53 and the feeding block 51 form a clamping opening for clamping a gear to be machined, and a positioning tooth 54 for engaging with the gear to be machined is arranged on the end surface of the first fixture block 52 towards the second fixture block 53.

Referring to fig. 5 and 6, a torsion spring 55 is arranged at the joint of the first fixture block 52 and the feeding block 51, the first fixture block 52 is hinged to the feeding block 51 through a rotating shaft, the rotating shaft penetrates through the torsion spring 55, two ends of the torsion spring 55 are respectively inserted into the first fixture block 52 and the feeding block 51, an opening facing the processing position 21 for limiting a first clamping groove 551 of the torsion spring 55 is formed in the end surface of the first fixture block 52 away from the second fixture block 53, one end of the torsion spring 55 abuts against the bottom of the first clamping groove 551, a second clamping groove 552 is formed in the end surface of the feeding block 51 facing the clamping opening, the other end of the torsion spring 55 abuts against the joint of the groove walls, when the gear to be processed is pushed into the clamping opening, the first fixture block 52 moves in the direction away from the second fixture block 53.

Referring to fig. 3, along feedblock 51 moving direction, be equipped with guide block 56 in feedblock 51 both sides, guide block 56 one end extends to 1 tip of workstation, equal fixed connection limiting plate 57 in two guide block 56 tops, limiting plate 57 and guide block 56 and workstation 1 have formed the slide rail that feedblock 51 moved towards processing station 21 direction, limiting plate 57 all is "L" shape setting with the cross-section of the guide block 56 who corresponds the connection, workstation 1, limiting plate 57 and the guide block 56 who corresponds the connection have formed the spacing portion that supplies the horizontal linear motion of feedblock 51, two limiting plates 57 are not connected, limiting plate 57 is close to 1 one end of workstation and is connected with fixed plate 58 with limiting plate 57 integrated into one piece. Fixing plate 58 one end is equipped with extension spring 59, and extension spring 59's one end is passed through the pull ring and is connected on fixing plate 58, and the pull ring is fixed at the tip that fixing plate 58 kept away from limiting plate 57, and extension spring 59 other end passes through the pull ring and connects on feedblock 51, and the pull ring is fixed on feedblock 51. One end of the feeding block 51, which is far away from the shaping machine, extends out of the workbench 1 when the feeding block 51 receives the material, an extension spring 59 is also connected to the end face of the feeding block 51, which is far away from the shaping machine, one end of the extension spring 59 is also fixed on a pull ring of the fixing plate 58, and a feeding transmission mechanism 6 for driving the feeding block 51 to move towards the processing station 21 is connected to the lower end face of the feeding block 51, which extends out of the workbench 1.

Referring to fig. 7 and 8, the feeding transmission mechanism 6 includes a driving plate 61 and a rotating plate 62, the driving plate 61 is located on one side of the second cam 46, the upper end of the driving plate 61 close to the second cam 46 is connected with a driving plate 63, a sliding groove is also formed in the side surface of the second cam 46, the driving plate 63 moves along the sliding groove, the other end of the driving plate 61 and the rotating plate 62 are welded at a certain included angle, the corners of the driving plate 61 and the rotating plate 62 are horizontally and rotatably connected to the lower surface of the workbench 1 through pin shafts, a long hole 64 is formed in one end of the rotating plate 62 far away from the corners of the driving plate 61 and the rotating plate 62, a fixing shaft 60 is arranged on the lower end surface of the part, extending out of the workbench 1.

Referring to fig. 7, the friction force between the driving disc 63 and the second cam 46 drives the driving disc 63 to move from a direction close to the transmission shaft 42 to a direction away from the transmission shaft 42, and drives the rotating plate 62 to move from the direction away from the transmission shaft 42, the rotating plate 62 makes an arc motion with the corner of the driving disc 61 and the rotating plate 62 as a circle center, the feeding block 51 is slidably connected into the long hole 64 through the fixed shaft 60, so that the feeding block 51 slides towards the processing station 21, the extension spring 59 gradually extends, when the gear to be processed is sent to the processing station 21, the driving disc 63 slides from the end of the first cam 45 away from the transmission shaft 42 to the end of the first cam 45 close to the transmission shaft 42, the extension spring 59 gradually recovers a natural length, the feeding block 51 is driven to slide away from the processing station 21, and the feeding transmission mechanism 6 and the extension spring 59 are combined to.

The implementation principle of the embodiment is as follows: when the gear is machined, the first cam 45 drives the pushing transmission mechanism 8 to drive the pushing rod 71 in the pushing device 7 to move along the length direction of the pushing rod 71, the pushing rod 71 pushes the gear to be machined, which slides from the feeding groove 31 to the workbench 1, to move towards the clamping opening of the first clamping block and the second clamping block in the feeding device 5, the positioning teeth 54 on the first clamping block are meshed with the gear to be machined to achieve accurate clamping on the machined gear, the second cam 46 drives the feeding transmission mechanism 6 to drive the feeding block 51 in the feeding device 5 to move towards the machining position 21 and complete pushing of the gear to be machined, and the resetting of the feeding block 51 and the pushing rod 71 is realized by combining the reset spring 84 and the extension spring 59 under the driving of the first cam 45 and the second cam 46, and the sequential reciprocating circulation is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a trimmer is used in gear plastic processing, includes frame (9), be provided with in frame (9) and change material device, its characterized in that: the material transferring device comprises a feeding device (3) arranged on the rack (9), and a material pushing device (7) and a material feeding device (5) which are positioned on two opposite sides of the feeding device (3), wherein the material pushing device (7) and the material feeding device (5) are driven by the same driving mechanism (4).

2. The truing machine for truing gears according to claim 1, wherein: loading attachment (3) including locating supporting shoe (32) on frame (9) and install last silo (31) on supporting shoe (32), be equipped with workstation (1) that is used for supporting loading attachment (3) on frame (9), go up silo (31) and set up and butt to workstation (1) towards workstation (1) slope, it is connected and is located supporting shoe (32) opening with supporting shoe (32) of "U" type to go up silo (31), be connected with positioning bolt (33) that are used for fixed silo (31) on supporting shoe (32) the outer cell wall of silo (31) is gone up towards in supporting shoe (32).

3. The truing machine for truing gears according to claim 2, wherein: an opening of the feeding groove (31) is provided with an isolation net (34) extending along the length direction of the feeding groove (31), a clamping piece (35) used for fixing the isolation net (34) is arranged above the isolation net (34), and the isolation net (34) is located between the upper end face of the feeding groove (31) and the clamping piece (35).

4. The truing machine for truing gears according to claim 1, wherein: the material pushing device (7) comprises a pushing block (72), a material pushing rod (71), a first limiting block (73), a second limiting block (74), a first baffle plate (75) and a second baffle plate (76) which are arranged on a workbench (1), one end of the pushing block (72) is connected with the material pushing rod (71), the first limiting block (73) and the second limiting block (74) are symmetrically arranged on two sides of the pushing block (72), the first baffle plate (75) is connected to the upper end of the first limiting block (73), the second baffle plate (76) is located at the upper end of the second limiting plate (57), and the first baffle plate (75) and the first limiting block (73), the second baffle plate (76) and the second limiting plate (57) form a limiting groove for the pushing block (72) to slide with the workbench.

5. The truing machine for truing gears according to claim 1, wherein: the driving mechanism (4) comprises a motor (41), a transmission shaft (42), first bevel gears (43), second bevel gears (44), a first cam (45) and a second cam (46), wherein the motor (41) is connected with the first bevel gears (43), the first bevel gears (43) are meshed with the second bevel gears (44), the second bevel gears (44) are sleeved on the transmission shaft (42), the transmission shaft (42) is connected with the first cam (45) and the second cam (46) which are vertically arranged, protruding parts of the first cam (45) and the second cam (46) are arranged in a staggered mode, the motor (41) drives the first cam (45) and the second cam (46) to simultaneously rotate, and the first cam (45) and the second cam (46) respectively drive the material pushing device (7) and the material feeding device (5) to move intermittently.

6. The truing machine for truing gears according to claim 5, wherein: a first sliding groove used for being connected with the pushing device (7) is formed in the side face of the first cam (45), and a second sliding groove used for being connected with the feeding device (5) is formed in the side face of the second cam (46).

7. The truing machine for truing gears according to claim 6, wherein: a material pushing transmission mechanism (8) is further arranged between the driving mechanism (4) and the material pushing device (7), the material pushing transmission mechanism (8) comprises a movable rod (82), a sliding block (83) and a reset spring (84), the movable rod (82) comprises a first movable rod (821) and a second movable rod (822), the first movable rod (821) and the second movable rod (822) are connected to form an L-shaped movable rod (82), the joint of the first movable rod (821) and the second movable rod (822) is rotatably connected to the rack (9), the first movable rod (821) is arranged close to the first cam (45), the sliding block (83) is arranged at the end part of the first movable rod (821) close to the first cam (45) and is in sliding connection with the first sliding chute, the end part of the second movable rod (822) is connected with the material pushing device (7), one end of the reset spring (84) is connected to the upper end part of the first movable rod (821), the other end is connected with the workbench (1).

8. The truing machine for truing gears according to claim 1, wherein: the feeding device (5) comprises a feeding block (51), a first clamping block (52) and a second clamping block (53) which are arranged on the workbench (1), the first clamping block (52) and the second clamping block (53) are connected to the side face, facing the pushing device (7), of the feeding block (51), and clamping openings used for clamping the gear to be machined are formed in the first clamping block (52), the second clamping block (53) and the feeding block (51).

9. The truing machine for truing gears according to claim 8, wherein: the first fixture block (52) is located at the end part of the feeding block (51) and hinged to the feeding block (51), a torsion spring (55) is arranged at the joint of the first fixture block (52) and the feeding block (51), two ends of the torsion spring (55) are respectively inserted into the first fixture block (52) and the feeding block (51), and a positioning tooth (54) meshed with a gear to be machined is arranged on the first fixture block (52).

10. The truing machine for truing gears according to claim 6, wherein: still be equipped with pay-off drive mechanism (6) between material feeding unit (5) and actuating mechanism (4), pay-off drive mechanism (6) include drive plate (61), driving-disc (63) and rotor plate (62), drive plate (61) are located one side of second cam (46), driving-disc (63) set up in the tip that drive plate (61) are close to second cam (46), the side of driving-disc (63) and the second spout sliding connection on second cam (46), the drive plate (61) other end is connected and has formed certain contained angle with rotor plate (62), the junction rotation of rotor plate (62) and drive plate (61) is connected on the bottom surface of workstation (1), the drive plate (61) other end rotates with material feeding unit (5) and is connected.

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