CN215357558U

CN215357558U - Piston pin grinding device for machining convenient to use

Info

Publication number: CN215357558U
Application number: CN202121758390.0U
Authority: CN
Inventors: 黄露英
Original assignee: Houma Terui Precision Machinery Co ltd
Current assignee: Houma Terui Precision Machinery Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-31
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to the technical field of piston pin polishing, and discloses a convenient piston pin polishing device for machining, which comprises a fixed plate, wherein a supporting bent plate is fixedly connected to the upper surface of the fixed plate, a hydraulic cylinder is fixedly connected to the middle part of the upper surface of the supporting bent plate, the output end of the hydraulic cylinder penetrates through the middle part of the upper surface of the supporting bent plate and is fixedly connected with a protection box, a movable plate is fixedly connected to the lower surface of the protection box, and the output end of a servo motor is fixedly connected with a rotating shaft. This piston pin grinding device for machining convenient to use through the mating reaction of pneumatic cylinder, guard box, servo motor, mount, internal gear, drive gear, crooked board and the dish of polishing, can carry out more convenient polishing to the piston pin inside wall, through the mating reaction of connecting plate, movable plate, control panel, threaded rod and turning block, can carry out certain regulation to the length that the dish of polishing got into piston pin inside, has improved the practicality.

Description

Piston pin grinding device for machining convenient to use

Technical Field

The utility model relates to the technical field of piston pin polishing, in particular to a piston pin polishing device for machining, which is convenient to use.

Background

At present, a piston pin is a cylindrical pin arranged on a skirt part of a piston, the middle part of the piston pin penetrates through a small end hole of a connecting rod and is used for connecting the piston and the connecting rod, the function of the piston pin is to transmit the gas acting force borne by the piston to the connecting rod or enable the small end of the connecting rod to drive the piston to move together, in order to reduce the weight, the piston pin is generally made of high-quality alloy steel and is manufactured into a hollow shape, after the piston pin is formed in a stamping mode, the inner circle of the piston pin must be subjected to rough polishing and fine polishing, the number of the piston pins which are polished by the existing piston pin polishing device for machining convenient to use at one time is small, the operation is complex, and the machining efficiency of the piston pin is low.

Disclosed a thick grinding device in piston pin circle in chinese patent publication No. CN207255929U, thick grinding device can once only place the base of a plurality of piston pins in this piston pin circle, come all piston pins between the clamp tightly through the cooperation of last grip slipper and base, thereby it makes the mill rotatory to drive the pivot through the motor drive belt pulley, first cylinder promotes the push pedal and removes like this, thereby make the mill get into the piston pin hole that corresponds and polish, whole process is by the work of PLC controller control electric component, and easy operation, and disposable processing's a large amount, but this kind of mode has very big defect: the base transversely sets up with last grip slipper, makes people more inconvenient when placing the piston pin, and more inconvenient control mill gets into the inside length of piston pin, can make the mill cause destruction to the lateral wall at the bottom of the inner chamber of piston pin, has improved the practicality, is unfavorable for using widely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the piston pin polishing device for machining, which is convenient to use, and solves the problems that the transverse arrangement of the base and the upper clamping seat causes inconvenience when people place the piston pin, and the inconvenience is caused by controlling the length of the grinding disc entering the interior of the piston pin, so that the grinding disc can damage the bottom side wall of the inner cavity of the piston pin, the practicability is improved, and the popularization and the use are not facilitated.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a piston pin polishing device for machining convenient to use comprises a fixed plate, wherein a supporting bent plate is fixedly connected to the upper surface of the fixed plate, a hydraulic cylinder is fixedly connected to the middle part of the upper surface of the supporting bent plate, the output end of the hydraulic cylinder penetrates through the middle part of the upper surface of the supporting bent plate and is fixedly connected with a protection box, a protection groove is formed in the lower surface of the protection box, a movable plate is fixedly connected to the lower surface of the protection box, a servo motor is fixedly connected to the middle part of the top side wall of an inner cavity of the protection box, a rotating shaft is fixedly connected to the output end of the servo motor, a fixed frame is fixedly connected to the bottom end of the rotating shaft, an inner gear is fixedly connected to the lower surface of the fixed frame, four groups of transmission gears are meshed and connected to the inner side surface of the inner gear, bent plates are fixedly connected to four corners of the lower surface of the movable plate, connecting shafts are rotatably connected to the inner ends of the bent plates, the top ends of the connecting shafts are fixedly connected to the middle parts of the lower surfaces of the transmission gears, connecting axle bottom fixedly connected with grinds the dish, the equal fixedly connected with pillar in four corners of fixed plate upper surface, pillar top fixedly connected with limiting plate, spacing hole has been seted up on the limiting plate, the spacing groove has been seted up to the fixed plate upper surface, the spacing groove corresponds with spacing hole position, it has all seted up the removal hole to support bent plate left side and right side, the inside connecting plate that is provided with of removal hole, the middle part fixed connection of connecting plate medial surface and movable plate lateral surface, the connecting plate surface with support the contact of bent plate inside wall, the inside control panel that is provided with in connecting plate outer end, the portable setting of control panel is inside the connecting plate, six groups screw holes have been seted up on the control panel, the front end and the equal spiral shell threaded rod in rear end of connecting plate lateral surface, four group's threaded rod inner spiral shell dress are inside two sets of screw holes that are located two sets of control panel tops respectively, threaded rod outer end fixedly connected with turning block.

Preferably, the inner side face of the rotating block is in contact with the outer side face of the connecting plate, the rotating block is in a regular hexagon shape, and anti-skid grains are arranged on the outer surface of the rotating block.

Preferably, the front end and the rear end of the lower surface of the control panel are both fixedly connected with a protection pad, and the protection pad is a cushion pad.

Preferably, the middle part of the moving plate is provided with an auxiliary opening, and the fixing frame is arranged inside the auxiliary opening.

Preferably, all fixedly connected with stiffener in servo motor's the surface four corners, stiffener top and guard box inner chamber top lateral wall fixed connection.

Preferably, the four corners of the lower surface of the fixing plate are fixedly connected with supporting columns, the bottom ends of the supporting columns are fixedly connected with a base, and the bottom ends of the base are fixedly connected with non-slip mats.

(III) advantageous effects

The utility model provides a piston pin polishing device for machining, which is convenient to use and has the following beneficial effects:

1. this piston pin grinding device for machining convenient to use through the mating reaction of pneumatic cylinder, guard box, servo motor, mount, internal gear, drive gear, crooked board and the dish of polishing, can carry out more convenient polishing to the piston pin inside wall, through the mating reaction of connecting plate, movable plate, control panel, threaded rod and turning block, can carry out certain regulation to the length that the dish of polishing got into piston pin inside, has improved the practicality.

2. This piston pin grinding device for machining convenient to use through the mating reaction of crooked board and connecting axle, can carry out certain fixed to drive gear, makes the stable drive gear of internal gear rotate, through the mating reaction of connecting plate and threaded rod, can highly adjust the control panel, through the effect of protection pad, can prevent that control panel and fixed plate from taking place violent collision, can extension means's live time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional structural schematic of the present invention;

fig. 3 is a perspective view of the control plate portion of the present invention.

In the figure: 1. a fixing plate; 2. supporting the bent plate; 3. a hydraulic cylinder; 4. a protection box; 5. moving the plate; 6. a servo motor; 7. a rotating shaft; 8. a fixed mount; 9. an internal gear; 10. a transmission gear; 11. bending the plate; 12. a connecting shaft; 13. grinding disc; 14. a pillar; 15. a limiting plate; 16. a connecting plate; 17. a control panel; 18. a threaded rod; 19. rotating the block; 20. a protection pad; 21. a reinforcing bar; 22. a support pillar; 23. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a piston pin polishing device for machining convenient to use comprises a fixing plate 1, wherein a supporting bent plate 2 is fixedly connected to the upper surface of the fixing plate 1, a hydraulic cylinder 3 is fixedly connected to the middle of the upper surface of the supporting bent plate 2, the hydraulic cylinder 3 is an MOB-CA type hydraulic cylinder, the output end of the hydraulic cylinder 3 penetrates through the middle of the upper surface of the supporting bent plate 2 and is fixedly connected with a protection box 4, a protection groove is formed in the lower surface of the protection box 4, a moving plate 5 is fixedly connected to the lower surface of the protection box 4, a servo motor 6 is fixedly connected to the middle of the top side wall of an inner cavity of the protection box 4, the servo motor 6 is a motor of HSMG80-E02430, a rotating shaft 7 is fixedly connected to the output end of the servo motor 6, a fixing frame 8 is fixedly connected to the bottom end of the rotating shaft 7, an internal gear 9 is fixedly connected to the lower surface of the fixing frame 8, and four groups of transmission gears 10 are meshed and connected to the inner side surface of the internal gear 9, the four corners of the lower surface of the movable plate 5 are fixedly connected with bent plates 11, the inner ends of the bent plates 11 are rotatably connected with connecting shafts 12, the top ends of the connecting shafts 12 are fixedly connected with the middle parts of the lower surfaces of the transmission gears 10, the bottom ends of the connecting shafts 12 are fixedly connected with polishing discs 13, the four corners of the upper surface of the fixed plate 1 are fixedly connected with supporting columns 14, the top ends of the supporting columns 14 are fixedly connected with limiting plates 15, limiting holes are formed in the limiting plates 15, limiting grooves are formed in the upper surface of the fixed plate 1 and correspond to the limiting holes, moving holes are formed in the left side and the right side of the supporting bent plate 2, connecting plates 16 are arranged in the moving holes, the inner side surfaces of the connecting plates 16 are fixedly connected with the middle parts of the outer side surfaces of the movable plate 5, the outer surfaces of the connecting plates 16 are in contact with the inner side walls of the supporting bent plate 2, control plates 17 are arranged in the outer ends of the connecting plates 16, and the control plates 17 can be movably arranged in the connecting plates 16, six groups of threaded holes are formed in the control plate 17, threaded rods 18 are screwed at the front end and the rear end of the outer side face of the connecting plate 16, the inner ends of the four groups of threaded rods 18 are respectively screwed in the two groups of threaded holes above the two groups of control plates 17, and the outer ends of the threaded rods 18 are fixedly connected with rotating blocks 19.

Specifically, in order to make it more convenient for the staff to control the rotation of the rotation block 19, the inner side surface of the rotation block 19 is in contact with the outer side surface of the connection plate 16, the shape of the rotation block 19 is a regular hexagon, and the outer surface of the rotation block 19 is provided with anti-skid lines.

Specifically, in order to prevent the control board 17 from violently colliding with the fixing plate 1 and prolong the service life of the device, the front end and the rear end of the lower surface of the control board 17 are fixedly connected with the protection pads 20, and the protection pads 20 are cushion pads.

Specifically, in order to stably rotate the internal gear 9, an auxiliary opening is opened in the middle of the moving plate 5, and the fixing frame 8 is disposed inside the auxiliary opening.

Specifically, in order to fix servo motor 6, make the more stable work that carries on of servo motor 6, the equal fixedly connected with stiffener 21 in servo motor 6's the surface four corners, stiffener 21 top and 4 inner chamber tops lateral wall fixed connection of guard box.

Specifically, in order to make the device more stable fix in suitable position in the external world, improve the stability of device, the equal fixedly connected with support column 22 in fixed plate 1 lower surface four corners, support column 22 bottom fixedly connected with base 23, base 23 bottom fixedly connected with slipmat.

When the device is used, a piston pin is placed in a limiting hole and a limiting groove to fix the piston pin, a hydraulic cylinder 3 and a servo motor 6 are started, the hydraulic cylinder 3 drives a protection box 4 and a moving plate 5 to move downwards, a polishing disc 13 slowly enters the piston pin, the servo motor 6 drives a rotating shaft 7 to rotate, the rotating shaft 7 can drive an inner gear 9 to rotate through the connection effect of a fixing frame 8, then four groups of transmission gears 10 rotate, the four groups of polishing discs 13 can simultaneously rotate, a bending plate 11 is fixedly connected with the moving plate 5 to assist a connecting shaft 12 to stably rotate, meanwhile, the length of the polishing disc 13 entering the piston pin can be adjusted to a certain extent, a control plate 17 is adjusted to a proper height on a connecting plate 16, a threaded rod 18 is screwed in a corresponding threaded hole to fix the position of the control plate 17, the protection pad 20 contacts with the fixed plate 1, so that the movable plate 5 does not move any more when moving downwards to a proper height, the lowest point of the movement of the polishing disc 13 can be controlled, the piston pin can be protected to a certain extent, and the practicability is improved.

In conclusion, the piston pin polishing device for machining convenient to use can polish the inner side wall of the piston pin more conveniently through the matching action of the hydraulic cylinder 3, the protection box 4, the servo motor 6, the fixing frame 8, the internal gear 9, the transmission gear 10, the bending plate 11 and the polishing disc 13, can adjust the length of the polishing disc 13 entering the piston pin to a certain extent through the matching action of the connecting plate 16, the moving plate 5, the control plate 17, the threaded rod 18 and the rotating block 19, improves the practicability, can fix the transmission gear 10 to a certain extent through the matching action of the bending plate 11 and the connecting shaft 12, enables the internal gear 9 to stably drive the transmission gear 10 to rotate, can adjust the height of the control plate 17 through the matching action of the connecting plate 16 and the threaded rod 18, and can prevent the control plate 17 from violent collision with the fixing plate 1 through the action of the protection pad 20, the service life of the device can be prolonged.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piston pin grinding device for machining convenient to use, includes fixed plate (1), its characterized in that: the upper surface of the fixed plate (1) is fixedly connected with a supporting bent plate (2), the middle part of the upper surface of the supporting bent plate (2) is fixedly connected with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) passes through the middle part of the upper surface of the supporting bent plate (2) and is fixedly connected with a protection box (4), the lower surface of the protection box (4) is provided with a protection groove, the lower surface of the protection box (4) is fixedly connected with a movable plate (5), the middle part of the top side wall of the inner cavity of the protection box (4) is fixedly connected with a servo motor (6), the output end of the servo motor (6) is fixedly connected with a rotating shaft (7), the bottom end of the rotating shaft (7) is fixedly connected with a fixed frame (8), the lower surface of the fixed frame (8) is fixedly connected with an internal gear (9), the inner side surface of the internal gear (9) is engaged with four groups of transmission gears (10), and four corners of the lower surface of the movable plate (5) are fixedly connected with bent plates (11), the inner end of the bent plate (11) is rotatably connected with a connecting shaft (12), the top end of the connecting shaft (12) is fixedly connected with the middle part of the lower surface of the transmission gear (10), the bottom end of the connecting shaft (12) is fixedly connected with a polishing disc (13), four corners of the upper surface of the fixed plate (1) are fixedly connected with supporting columns (14), the top end of each supporting column (14) is fixedly connected with a limiting plate (15), a limiting hole is formed in each limiting plate (15), a limiting groove is formed in the upper surface of the fixed plate (1), the limiting grooves correspond to the limiting holes in position, moving holes are formed in the left side and the right side of the supporting bent plate (2), a connecting plate (16) is arranged inside each moving hole, the inner side of each connecting plate (16) is fixedly connected with the middle part of the outer side of the moving plate (5), the outer surface of each connecting plate (16) is in contact with the inner side wall of the supporting bent plate (2), and a control plate (17) is arranged inside the outer end of each connecting plate (16), the control panel (17) is movably arranged inside the connecting plate (16), six groups of threaded holes are formed in the control panel (17), threaded rods (18) are arranged at the front end and the rear end of the outer side face of the connecting plate (16) in a threaded mode, the inner ends of the four groups of threaded rods (18) are respectively arranged inside the two groups of threaded holes above the two groups of control panels (17) in a threaded mode, and rotating blocks (19) are fixedly connected to the outer ends of the threaded rods (18).

2. The piston pin grinding apparatus for machining which is convenient to use according to claim 1, wherein: the inner side face of the rotating block (19) is in contact with the outer side face of the connecting plate (16), the rotating block (19) is in a regular hexagon shape, and anti-skid grains are arranged on the outer surface of the rotating block (19).

3. The piston pin grinding apparatus for machining which is convenient to use according to claim 1, wherein: the front end and the rear end of the lower surface of the control panel (17) are fixedly connected with protection pads (20), and the protection pads (20) are cushion pads.

4. The piston pin grinding apparatus for machining which is convenient to use according to claim 1, wherein: an auxiliary opening is formed in the middle of the moving plate (5), and the fixing frame (8) is arranged inside the auxiliary opening.

5. The piston pin grinding apparatus for machining which is convenient to use according to claim 1, wherein: equal fixedly connected with stiffener (21) in surface four corners of servo motor (6), stiffener (21) top and guard box (4) inner chamber top lateral wall fixed connection.

6. The piston pin grinding apparatus for machining which is convenient to use according to claim 1, wherein: the all fixedly connected with support column (22) in fixed plate (1) lower surface four corners, support column (22) bottom fixedly connected with base (23), base (23) bottom fixedly connected with slipmat.