CN112621344B

CN112621344B - Automatic feeding tool for machining of two end faces of connecting rod cap

Info

Publication number: CN112621344B
Application number: CN202011590587.8A
Authority: CN
Inventors: 伍继超; 田江
Original assignee: Xiangyang Dingchao Machinery Manufacturing Co ltd
Current assignee: Xiangyang Dingchao Machinery Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-08-05
Anticipated expiration: 2040-12-29
Also published as: CN112621344A

Abstract

The invention relates to the technical field of automobile part processing, and discloses an automatic feeding tool for processing double end faces of a connecting rod cover, which comprises a body, the body comprises a base plate fixedly connected with the working platform and a side plate vertically fixed on the base plate, a lever is arranged on one side of the side plate, the lever is rotationally connected with the side plate through a rotating shaft, one end of the lever is connected with a positioning device, the invention fully utilizes the lever principle to realize the functions of automatic feeding, positioning, clamping and discharging, has small labor intensity, high working efficiency and ingenious structure, meanwhile, the joint of the rotating shaft and the lever is deviated to one end of the lever connected with the positioning device, so that the pressure of the lever on the positioning device is maximized when the driving shaft is subjected to the torque of the same size, and a larger clamping force is realized.

Description

Automatic feeding tool for machining of two end faces of connecting rod cap

Technical Field

The invention relates to the technical field of automobile part machining, in particular to an automatic feeding tool for machining double end faces of a connecting rod cover.

Background

Some automobile parts need to be milled and finished through a machine tool in the machining and preparation process, the existing milling machine is used for finishing the surface of a metal part, a common milling machine can only treat the surface of one end of the part in one process, if the double-end-face treatment of the part is to be realized, such as a connecting rod cover in fig. 3, the end faces needing to be machined are shown as 9 and 10 in the drawing, two processes are usually needed for finishing, and the part needs to be clamped in a reversing manner in the machining process, so that the machining speed is relatively slow, accumulated errors are easily caused by two times of clamping, and the machining precision is difficult to meet the requirement.

The utility model discloses a synchronous finish machining frock system of a plurality of zinc-aluminum alloy part bi-polar faces is disclosed in the utility model patent of grant notice No. CN211332327U, including the holding frame, be equipped with a plurality of stations that are used for placing the part on the holding frame, the cutter sets up the outside at the holding frame, all be provided with the cutter in the relative both sides of holding frame, the cutter setting is used for making the cutter along the direction motion of perpendicular to holding frame on slide mechanism, can carry out simultaneous processing to the terminal surface of both sides part, this kind of frock can realize a plurality of parts of clamping in proper order, and two terminal surfaces simultaneous processing of a part, but this kind of frock is when the clamping part, need shut down the back manual operation, fix a position the part on the station in proper order, and inefficiency, and the machine frequently opens and stops to stop and influence the equipment life-life, and still consume more time in shut down and the start-up process.

Disclosure of Invention

The invention aims to provide an automatic feeding tool for machining of two end faces of a connecting rod cap, which has the effects of automatic clamping and high machining efficiency.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a connecting rod lid both ends face processing automatic feeding frock, includes the body, the body include with work platform fixed connection's base plate and the curb plate of vertical fixation on the base plate, one side of curb plate is provided with the lever, the lever is connected with the curb plate through the pivot, the one end and the positioner of lever are connected, the other end and the pusher of lever are connected, the lever is revoluted the rotation of axes by the drive arrangement drive.

By adopting the technical scheme, according to the lever principle, after the driving device drives the lever to rotate around the rotating shaft for a certain angle, one end of the lever moves upwards, the other end moves downwards, the pushing device connected with one end of the lever moving downwards pushes the workpiece into the positioning device connected with one end of the lever moving upwards to realize feeding, then the driving device drives the lever to reversely rotate around the rotating shaft to enable one end of the lever to move downwards and the other end to move upwards, at the moment, the positioning device clamps the workpiece to realize positioning, the machine tool is started to start the end face processing of the workpiece, the actions are repeated after the processing is finished, the continuous automatic feeding and clamping are realized, a worker only needs to place the workpiece on the pushing side of the pushing device, the processed workpiece does not need manual unloading, and the pushing device pushes out the processed workpiece to be unloaded when pushing the workpiece to be processed, the whole process is high in automation degree, high in machining efficiency, free of shutdown operation and high in safety.

The invention is further provided with: the driving device comprises a driving portion and a driving shaft, the driving portion is connected with one end of the driving shaft, the other end of the driving shaft penetrates through the side plate to be connected with the driving gear, a pin perpendicular to the end face of the driving gear is arranged on the end face of the driving gear, and the pin is connected with the end portion of the lever.

By adopting the technical scheme, the driving part is used for driving the driving shaft to rotate, so that the driving gear connected with one end of the driving shaft rotates, the driving gear drives one end of the lever to move upwards or downwards when rotating, when the end of the lever connected with the pushing device moves upwards, the end of the lever connected with the positioning device moves downwards, the end of the lever moving upwards drives the pushing device to push the workpiece to be processed into the positioning device to realize feeding, the end of the lever moving downwards drives the positioning device to clamp the workpiece to realize positioning and clamping, when the end of the lever connected with the pushing device moves downwards, the end of the lever connected with the positioning device moves upwards, the pushing device returns to the initial position, the end of the lever moving upwards drives the positioning device to loosen the processed workpiece, and the reciprocating is carried out in such a way, when the next cycle begins, the processed workpiece pushed by the pushing device is ejected out of the positioning device, the discharging is realized, the whole process is continuously carried out, the automation degree is high, and the working efficiency is high.

The invention is further provided with: the positioning device comprises a pressing plate and a base, wherein the pressing plate is hinged with the end part of the lever through a guide rod.

By adopting the technical scheme, when the end part of the lever moves up and down, the guide rod drives the pressing plate to move up and down, so that the workpiece between the pressing plate and the base is clamped or loosened, the function of clamping is realized by controlling the positioning device through the lever, and the clamping efficiency is higher.

The invention is further provided with: one end of the pressing plate is provided with a limiting boss, the limiting boss extends towards the base, and the height of the limiting boss is smaller than or equal to the upward movement height of the pressing plate.

By adopting the technical scheme, the limiting boss is used for limiting the degree of freedom of the workpiece in the horizontal direction after being clamped, so that the workpiece is prevented from moving due to the stress in the horizontal direction when the workpiece is subjected to end face milling, and the stability of the workpiece after being clamped is better.

The invention is further provided with: the pushing device comprises a driven gear and a pushing plate, the driven gear is connected with the side plates through a gear shaft, the driven gear is meshed with the driving gear, one side of the pushing plate is fixedly connected with a rack, the rack is meshed with the driven gear, the pushing plate can reciprocate along a guide groove, and the guide groove is fixed on the working platform.

By adopting the technical scheme, driven gear and drive gear meshing, the connection of pusher and drive arrangement has been realized, driven gear forward reverse rotation drives rather than the rack reciprocating motion of meshing, thereby make the propelling movement board along the guide way reciprocating motion with rack connection, and then realize the material loading, drive arrangement controls positioner and pusher simultaneously, the work piece on the positioner is ejecting during the pusher propelling movement, new work piece is fixed a position on positioner simultaneously, realize the clamping and unload simultaneously, and the structure is ingenious, time saving and labor saving.

The invention is further provided with: one side of the pressing plate, which is provided with the limiting boss, is also provided with a discharging guide device, the discharging guide device is fixed on the workbench, one end of the discharging guide device extends to one side of the upper end face of the base, and the other end of the discharging guide device inclines downwards and extends to the material box.

Through adopting above-mentioned technical scheme, the work piece that is ejected slides to the magazine along the guider of unloading, avoids the direct work piece that has processed to drop from the height and cause the work piece surface quality problem, and direct landing is to the magazine, and the artifical intensity of labour that has also significantly reduced, degree of automation is higher.

The invention is further provided with: the position where the lever is connected with the rotating shaft deviates to one end where the lever is connected with the positioning device.

Through adopting above-mentioned technical scheme, the position that lever and pivot are connected is equivalent to the fulcrum, the distance of the one end that this fulcrum is connected to lever and positioner and the distance of the one end that this fulcrum is connected to lever and pusher are equivalent to the length of two arm of forces, according to the lever principle, the atress that the arm of force is little is big, consequently the position that lever and pivot are connected is partial to the one end that lever and positioner are connected and can be so that the lever reaches the biggest to positioner's pressure when the drive shaft receives the moment of torsion of equidimension, thereby realize bigger clamp force, make and press from both sides tight effect and reach better.

The invention has the beneficial effects that:

1. the invention fully utilizes the lever principle to realize the functions of automatic feeding, positioning, clamping and discharging, greatly reduces the labor intensity of workers and improves the working efficiency: after the driving device drives the lever to rotate around the rotating shaft for a certain angle, one end of the lever moves upwards, the other end moves downwards, the downward movement end of the lever drives the pushing device to push the workpiece into the positioning device, so that the feeding is realized, then the driving device drives the lever to rotate reversely around the rotating shaft, so that one end of the lever moves downwards, the other end of the lever moves upwards, the downward movement end of the lever drives the positioning device to clamp the workpiece, positioning and clamping are realized, the actions are repeated after processing, continuous automatic feeding and clamping are realized, a worker only needs to place the workpiece on the pushing side of the pushing device, and the processed workpiece does not need to be manually unloaded, the processed workpiece is ejected out by the pushing device when the workpiece to be processed is pushed, so that automatic unloading is realized, the automation degree of the whole process is high, the working efficiency is high, the shutdown operation is not needed, and the safety is high.

2. According to the invention, the lever is connected with the driving gear, and then the lever is connected with the positioning device, so that the positioning device is connected with the driving gear, the positioning device is connected with the driving device, and then the pushing device is connected with the driving device by meshing the driven gear with the driving gear, so that the positioning device and the pushing device are simultaneously controlled by the driving device, the driven gear in the pushing device rotates in the forward and reverse directions to drive the rack meshed with the driven gear to reciprocate, the pushing plate connected with the rack reciprocates along the guide groove, so that loading is realized, the driving device simultaneously controls the positioning device to position and clamp the workpiece, the workpiece on the positioning device is ejected when the pushing device pushes, and meanwhile, a new workpiece is positioned on the positioning device, and clamping and unloading are simultaneously realized, the structure is ingenious, and time and labor are saved.

3. According to the invention, the limiting boss is arranged at one end of the pressing plate, so that the degree of freedom of the workpiece in the horizontal direction after being clamped can be effectively limited through the limiting boss, the workpiece is prevented from moving due to horizontal stress during end face milling, and the stability of the workpiece after being clamped is better.

4. The invention fully utilizes the lever principle, and the force arm is small and the stress is large according to the lever principle, so that the position of the lever connected with the rotating shaft deviates to one end of the lever connected with the positioning device, the pressure of the lever on the positioning device can be maximized when the driving shaft is subjected to the torque with the same magnitude, thereby realizing larger clamping force, leading the clamping effect to be better, simultaneously effectively reducing the load born by the driving device and effectively prolonging the service life of equipment.

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 description of the embodiments will be briefly introduced 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 creative efforts.

Fig. 1 is a schematic overall structure diagram of an automatic feeding tool for machining two end faces of a connecting rod cap.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic structural view of a connecting rod cap to be processed.

In the figure, 1, a body; 11. a substrate; 12. a side plate; 2. a lever; 3. a rotating shaft; 4. a drive device; 41. a drive section; 42. a drive shaft; 44. a drive gear; 45. a pin; 5. a positioning device; 51. pressing a plate; 52. a base; 53. a guide bar; 54. a limiting boss; 55. a discharge guide device; 6. a pushing device; 61. a driven gear; 62. a push plate; 63. a gear shaft; 64. a rack; 65. a guide groove; 7. a magazine; 8. a machine tool; 81. an end mill; 9. milling a first end face; 10. and a second end face to be milled.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1 and 2, an automatic feeding tool for machining two end faces of a connecting rod cap comprises a body 1, wherein the body 1 comprises a base plate 11 fixedly connected with a working platform and a side plate 12 vertically fixed on the base plate 11, a lever 2 is arranged on one side of the side plate 12, the lever 2 is connected with the side plate 12 through a rotating shaft 3, one end of the lever 2 is connected with a positioning device 5, the other end of the lever 2 is connected with a pushing device 6, the lever 2 is driven to rotate around the rotating shaft 3 by a driving device 4, after the driving device 4 drives the lever 2 to rotate around the rotating shaft 3 for a certain angle, one end of the lever 2 moves upwards and the other end moves downwards, the pushing device 6 connected with one end of the lever moving downwards pushes a workpiece to the positioning device 5 connected with one end of the lever 2 moving upwards to realize feeding, and then the driving device 4 drives the lever 2 to reversely rotate around the rotating shaft 3, make the one end downstream of lever 2, the other end upward movement, positioner 5 presss from both sides the work piece this moment and tightly realizes the location, start lathe 8, begin to implement the processing of work piece terminal surface, the above-mentioned action of repetition after having processed, in order to realize continuous automatic material loading clamping, the workman only need with the work piece place at pusher 6's propelling movement side can, and the work piece after having processed also need not the manual work and unload, work piece after will having processed when the work piece is waited to process by pusher 6 in the propelling movement is ejected the realization and is unloaded, whole process automation degree is high, machining efficiency is high, need not to shut down the operation, and the security is high.

Specifically, the driving device 4 includes a driving portion 41 and a driving shaft 42, the driving portion 41 is connected to one end of the driving shaft 42, the other end of the driving shaft 42 penetrates through the side plate 12 and is connected to the driving gear 44, a pin 45 perpendicular to an end surface of the driving gear 44 is disposed on an end surface of the driving gear 44, the pin 45 is connected to an end of the lever 2, the driving portion 41 is a rotating motor and is used for driving the driving shaft 42 to rotate, so that the driving gear 44 connected to one end of the driving shaft 42 rotates, the driving gear 44 drives one end of the lever 2 to move up or down, when one end of the lever 2 connected to the pushing device 6 moves up, one end of the lever 2 connected to the positioning device 5 moves down, the lever 2 drives the pushing device 6 to push the workpiece to be processed into the positioning device 5, so as to realize loading, one end of the lever 2 moving down drives the positioning device 5 to clamp the workpiece, realize the location clamping, when the one end downstream that lever 2 and pusher 6 are connected, the one end upward movement that lever 2 and positioner 5 are connected, pusher 6 resumes to initial position, lever 2 upward movement drive positioner 5 will be loosened by the work piece that has been processed, it is so reciprocal, the work piece that has been processed when next circulation begins is by the ejecting positioner of work piece of treating of pusher 6 propelling movement, realize unloading, whole process goes on in succession, the manpower is saved, simultaneously greatly reduced manual operation's safe risk.

Specifically, the positioning device 5 comprises a pressing plate 51 and a base 52, the base 52 is used for bearing a workpiece to be machined, the pressing plate 51 is used for pressing the workpiece to be machined on the base 52, the pressing plate 51 is hinged to the end of the lever 2 through a guide rod 53, when the end of the lever 2 moves up and down, the guide rod 53 drives the pressing plate 51 to move up and down, so that the workpiece located between the pressing plate 51 and the base 52 is clamped or loosened, the lever 2 is used for controlling the positioning device 5 to achieve the clamping function, and the clamping efficiency is higher.

Specifically, one end of the pressing plate 51 is provided with a limiting boss 54, the limiting boss 54 extends towards the base 52, the height of the limiting boss 54 is smaller than or equal to the upward movement height of the pressing plate 51, the limiting boss 54 is used for limiting the degree of freedom of the workpiece in the horizontal direction after being clamped, the workpiece is prevented from moving due to stress in the horizontal direction when being subjected to end face milling, and the stability of the workpiece after being clamped is better.

Specifically, the pushing device 6 includes a driven gear 61 and a pushing plate 62, the driven gear 61 is connected with the side plate 12 through a gear shaft 63, the driven gear 61 is engaged with the driving gear 44, one side of the pushing plate 62 is fixedly connected with a rack 64, the rack 64 is engaged with the driven gear 61, the pushing plate 62 can reciprocate along a guide groove 65, the guide groove 65 is fixed on the working platform, the pushing device 6 is connected with the driving device 4 through the engagement of the driven gear 61 and the driving gear 44, the driving gear 44 drives the driven gear 61 to rotate forward and backward to drive the rack 64 engaged with the driven gear to reciprocate, so that the pushing plate 62 connected with the rack 64 reciprocates along the guide groove 65, the feeding is realized, the driving device 4 simultaneously controls the positioning device 5 and the pushing device 6, and the workpiece on the positioning device 5 is ejected out when the pushing device 6 pushes, meanwhile, a new workpiece is positioned on the positioning device 5, clamping and unloading are achieved simultaneously, the structure is ingenious, and time and labor are saved.

Further, one side of the pressing plate 51 provided with the limiting boss 54 is also provided with a discharging guide device 55, the discharging guide device 55 is fixed on the workbench, one end of the discharging guide device 55 extends to one side of the upper end face of the base 52, the other end of the discharging guide device 55 inclines downwards and extends to the material box 7, the ejected workpiece slides to the material box 7 along the discharging guide device 55, the problem that the processed workpiece directly falls from the high position to cause the surface quality of the workpiece is avoided, the workpiece directly slides to the material box, the labor intensity is greatly reduced, and the automation degree is higher.

Furthermore, the position that lever 2 is connected with pivot 3 is partial to the one end that lever 2 is connected with positioner 5, the lever, the position that 2 is connected with pivot 3 is equivalent to the fulcrum, the distance of this fulcrum to the one end that lever 2 is connected with positioner 5 and the distance of this fulcrum to the one end that is connected with pusher 6 are equivalent to the length of two arm of force, according to lever principle, the atress that the arm of force is little is big, therefore the one end that lever 2 is connected with positioner 5 with the position partial to lever 2 of position that pivot 3 is connected can make lever 2 reach the biggest to positioner 5's pressure when drive shaft 42 receives the moment of torsion of equidimension, thereby realize bigger clamp force, make the clamping effect reach better.

The working process of the invention is as follows: the workpiece to be machined is placed in the guide groove 65 of the pushing device 6, the driving device 4 is started, the driving part 41 in the driving device 4 rotates clockwise, and at this time: the driving part 41 drives the driving shaft 42 to rotate clockwise, the driving shaft 42 drives the driving gear 44 to rotate clockwise when rotating clockwise, the driving gear 44 drives the lever 2 to rotate clockwise around the rotating shaft 3 when rotating clockwise, meanwhile, the driven gear 61 meshed with the driving gear 44 rotates anticlockwise, when the lever 2 rotates clockwise around the rotating shaft 3, one end of the lever 2 drives the pressing plate 51 in the positioning device 5 to move upwards, the pressing plate 51 is separated from the base 52, preparation is made for positioning and clamping a workpiece, the driving part 41 in the driving device 4 rotates clockwise, the driving part 41 in the driving device 4 rotates anticlockwise, at the moment: the driving part 41 drives the driving shaft 42 to rotate anticlockwise, the driving shaft 42 drives the driving gear 44 to rotate anticlockwise when rotating anticlockwise, the driving gear 44 drives the lever 2 to rotate anticlockwise around the rotating shaft 3 when rotating anticlockwise, meanwhile, the driven gear 61 meshed with the driving gear 44 rotates clockwise, one end of the lever 2 drives the pressing plate 51 in the positioning device 5 to move downwards to clamp a workpiece to be processed between the pressing plate 51 and the base 52, so that positioning and clamping are realized, at the moment, the pneumatic machine tool 8 performs end face milling on the workpiece, after the workpiece is processed, the actions are repeated, repeated feeding is realized, and the processed workpiece is ejected from the base 52 and slides to the material box 7 along the discharging guide device 55 in the feeding process. The security risk is small.

Claims

1. The automatic feeding tool for machining the two end faces of the connecting rod cover comprises a body (1), wherein the body (1) comprises a base plate (11) fixedly connected with a working platform and a side plate (12) vertically fixed on the base plate (11), and is characterized in that a lever (2) is arranged on one side of the side plate (12), the lever (2) is connected with the side plate (12) through a rotating shaft (3), one end of the lever (2) is connected with a positioning device (5), the other end of the lever (2) is connected with a pushing device (6), and the lever (2) is driven by a driving device (4) to rotate around the rotating shaft (3);

the driving device (4) comprises a driving part (41) and a driving shaft (42), the driving part (41) is connected with one end of the driving shaft (42), the other end of the driving shaft (42) penetrates through the side plate (12) to be connected with the driving gear (44), a pin (45) perpendicular to the end face of the driving gear (44) is arranged on the end face of the driving gear (44), and the pin (45) is connected with the end part of the lever (2);

the positioning device (5) comprises a pressure plate (51) and a base (52), wherein the pressure plate (51) is hinged with the end part of the lever (2) through a guide rod (53);

pusher (6) include driven gear (61) and push plate (62), driven gear (61) are connected with curb plate (12) through gear shaft (63), driven gear (61) and drive gear (44) meshing, one side and rack (64) fixed connection of push plate (62), rack (64) and driven gear (61) meshing, guide way (65) reciprocating motion can be followed to push plate (62), guide way (65) are fixed on work platform.

2. The connecting rod cap double-end-face machining automatic feeding tool according to claim 1, characterized in that: one end of the pressing plate (51) is provided with a limiting boss (54), the limiting boss (54) extends towards the base (52), and the height of the limiting boss (54) is smaller than or equal to the upward movement height of the pressing plate (51).

3. The connecting rod cap double-end-face machining automatic feeding tool according to claim 1, characterized in that: one side of the pressing plate (51) provided with the limiting boss (54) is further provided with a discharging guide device (55), the discharging guide device (55) is fixed on the workbench, one end of the discharging guide device (55) extends to one side of the upper end face of the base (52), and the other end of the discharging guide device (55) inclines downwards to extend to the material box (7).

4. The connecting rod cap double-end-face machining automatic feeding tool according to claim 1, characterized in that: the joint of the rotating shaft (3) and the lever (2) deflects to one end of the lever (2) connected with the positioning device (5).