CN221290704U

CN221290704U - Piston pin polisher

Info

Publication number: CN221290704U
Application number: CN202322466507.3U
Authority: CN
Inventors: 陈素
Original assignee: Anhui Weitong Locomotive Parts Co ltd
Current assignee: Anhui Weitong Locomotive Parts Co ltd
Filing date: 2023-09-12
Publication date: 2024-07-09
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a piston pin grinding machine which comprises a grinding machine base and a top plate, wherein a piston pin support is arranged at the top of the grinding machine base, a grinding machine is arranged above the grinding machine base, and a dust collector is fixedly connected to the side face of the grinding machine. Relates to the technical field of grinding machines, and is suitable for piston pins of different types, and the problems of detachable grinding heads and fly ash cleaning are solved. Through support frame, bracing piece, positioning knob, altitude mixture control hole, spacing groove, piston pin locating rack and screw rod, the piston pin of different models of conveniently polishing carries out simple equipment and dismantles to polishing the bistrique through bracing piece and positioning knob, through the displacement pole, makes polishing the bistrique can control the removal and carry out simple dismantlement installation on the bracing piece, can simply collect the flying dust that polishes down through isolation net and ash storage drawer, through the dust absorption head that sets up, pipeline and dust catcher main part are collected other scattered flying dust.

Description

Piston pin polisher

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a piston pin grinding machine.

Background

A wrist pin is used to connect the piston and the connecting rod and to transfer the forces experienced by the piston to the connecting rod or vice versa. The piston pin bears a large periodic impact load under a high temperature condition, and the lubricating condition is poor because the swing angle of the piston pin in the pin hole is not large and a lubricating oil film is difficult to form. For this purpose the piston pin must have sufficient rigidity, strength and wear resistance, as low mass as possible, proper fit clearance between pin and pin bore and good surface quality. As a part commonly used in machinery, the piston pin has huge demand, thus obtaining a large amount of production and processing; in the machining process, the outer part of the preliminarily produced piston pin is often required to be machined and polished, and if the outer part of the piston pin is rough and unsmooth, the use effect of the piston pin is likely to be affected, so that the polishing device for the piston pin is particularly important.

According to the patent of the patent application number CN202011308160.4, the invention discloses a piston pin polishing device for machining, and relates to the technical field of piston pin polishing. The invention has reasonable design structure, and can drive the rotating rod to rotate when the motor is started, the rotating rod rotates to drive the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the grinding cylinder to rotate, the controller controls the second electric push rod to ascend, the piston pin is inserted into the grinding cylinder, and the piston pin can be clamped when the upper end of the piston pin contacts with the bottom surface of the clamping plate.

Part current piston pin polisher is in the use, because the head of polishing is worn and torn down easily, needs timely dismantles and changes the head of polishing, makes it more smooth to the polishing of piston pin, and the piston pin of different model sizes also need adjust the centre gripping support, lets it adapt to the piston pin of more types, and the piston pin polishes the in-process and produces fly ash easily, and the fly ash can cause mechanical parts's card to stop, and the fly ash is difficult for the clearance, needs timely to handle the fly ash, makes things convenient for follow-up polishing.

Disclosure of utility model

The utility model aims to provide a piston pin polisher, which solves the following technical problems:

The existing piston pin polisher can not conveniently replace polishing heads of the polisher while adjusting the size of a piston pin supporting frame, and fly ash generated by polishing can not be treated in time.

The invention aims to at least solve one of the technical problems existing in the prior art:

The utility model provides a wrist pin polisher, includes polisher base and top plate, and polisher base top is provided with the wrist pin support, and the top of polisher base is provided with the polisher, and the side fixedly connected with dust catcher of polisher.

As a further scheme of the utility model: the piston pin support comprises a screw rod which is rotationally connected with the base of the grinding machine, two piston pin positioning frames are connected with the surface of the screw rod in a threaded manner, and the two piston pin positioning frames are in sliding connection with the limiting groove.

As a further scheme of the utility model: the support frame is arranged around the upper part of the base of the grinding machine, and the outer side surfaces of the support frame are provided with height adjusting holes.

As a further scheme of the utility model: the inside sliding connection of spacing groove has the piston pin locating rack, the below rotation of piston pin locating rack is connected with the screw rod.

As a further scheme of the utility model: the middle of the support frame is movably connected with a support rod, two sides of the support rod are connected with positioning knobs in a threaded mode, and the positioning knobs are matched with the height adjusting holes.

As a further scheme of the utility model: the surface of each supporting rod is connected with a displacement rod in a sliding manner, and a polishing head is arranged between the two displacement rods.

As a further scheme of the utility model: the below of bracing piece is provided with the suction head, the inside pipe that is provided with of bracing piece, the side of polisher base is provided with the dust catcher main part.

The utility model has the beneficial effects that:

1. The height of the polishing head is adjusted through the supporting frame, the supporting rod and the height adjusting hole, so that the piston pins with different types can be polished conveniently, the piston pins with different sizes can be clamped and adapted through the limiting groove, the piston pin positioning frame and the screw rod, and the clamped piston pins can be kept in the middle of the base of the polishing machine through the screw rod;

2. The grinding head can be simply assembled and disassembled through the arranged support rods and the positioning knob, the support rods can be pulled out or installed through the positioning knob, the positioning knob is matched with the height adjusting hole, the height of the support rods can be stabilized, the position of the grinding head on the support rods can be adjusted to move left and right through the arranged displacement rod, and the grinding head can be simply disassembled and installed through the displacement rod;

3. The fly ash that falls down can be simply collected to the polishing through the isolation net that sets up and ash storage drawer, because the screw rod, the wrist pin support frame is stable in the top of isolation net, can collect most fly ash through the isolation net, through the dust absorption head that sets up, pipeline and dust catcher main part can collect other scattered fly ash in the polishing process.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the structure of the piston pin sander of the present utility model;

FIG. 2 is a schematic view of the structure of the wrist pin holder of the present utility model;

Fig. 3 is a schematic view of the structure of the base of the sander of the present utility model.

In the figure: 1. a grinder base; 101. an isolation net; 102. an ash storage drawer; 103. a support frame; 104. a height adjusting hole; 105. a limit groove; 2. a wrist pin bracket; 201. a screw; 202. a piston pin positioning frame; 3. a grinding machine; 301. a support rod; 302. a positioning knob; 303. a displacement rod; 304. polishing head; 4. a dust collector; 401. an air suction head; 402. a conduit; 403. a cleaner main body; 5. a top plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the first embodiment of the present invention includes a polishing machine base 1 and a top plate 5, wherein a piston pin bracket 2 is arranged at the top of the polishing machine base 1, a polishing machine 3 is arranged above the polishing machine base 1, and a dust collector 4 is fixedly connected to a side surface of the polishing machine 3;

The grinding machine base 1 comprises an isolation net 101, an ash storage drawer 102 is arranged below the isolation net 101, limit grooves 105 are formed in the surfaces of two sides of the grinding machine base 1, a supporting frame 103 is arranged around the upper side of the grinding machine base 1, and height adjusting holes 104 are formed in the outer side surfaces of the supporting frame 103.

In the second embodiment, as shown in fig. 2, the piston pin positioning frame 202 is slidably connected in the limiting groove 105, the size of the piston pin positioning frame 202 is matched with that of the limiting groove 105, the screw 201 is rotatably connected below the piston pin positioning frame 202, the threads at two ends of the screw 201 are opposite in direction, a rocker is arranged on one side of the screw 201, the piston pin positioning frame 202 can be moved towards the middle of the piston pin support 2 to clamp by rotating the rocker of the screw 201, a cylinder is arranged on the surface of the piston pin positioning frame 202, the cylinder is connected with the support of the piston pin positioning frame 202 through a disc-shaped rubber pad, and the piston pin can be fixed on the piston pin positioning frame 202 through the cylinder, and meanwhile, the clamping is more stable through the rubber pads on two sides.

In the third embodiment, as shown in fig. 3, a support rod 301 is movably connected to the middle of the support frame 103, positioning knobs 302 are screwed on both sides of the support rod 301, the positioning knobs 302 are matched with the height adjusting holes 104, the positions of the support rod 301 on the support frame 103 can be changed by rotating the positioning knobs 302, and when the support rod is adjusted to a proper position, the positioning knobs 302 are rotated into the height adjusting holes 104, so that the height of the support rod 301 can be fixed;

The surface of bracing piece 301 all sliding connection displacement pole 303, the centre of two displacement poles 303 is provided with the head 304 of polishing, can change the position of the head 304 of polishing through removing displacement pole 303, polishes the piston pin in many positions, can take bracing piece 301 out from support frame 103 through dismantling positioning knob 302, simultaneously with displacement pole 303 from dismantling on the bracing piece 301, reaches the purpose of changing the head 304 of polishing.

In the fourth embodiment, the present embodiment is implemented on the basis of the first embodiment, the second embodiment and the third embodiment, as shown in fig. 3, an air suction head 401 is disposed below the support rod 301, a conduit 402 is disposed inside the support rod 301, the conduit 402 penetrates through the support frame 103, the upper end of the conduit extends out of the support frame and is fixedly connected with the air suction head 401, the lower end of the conduit extends out and is connected with a dust collector body 403, and the side surface of the grinding machine base 1 is provided with the dust collector body 403.

Fifth embodiment, the fifth embodiment of the present utility model is implemented by combining the first embodiment, the second embodiment, the third embodiment, and the fourth embodiment.

The working principle of the utility model is as follows: firstly, the piston pin is placed on one side of the piston pin positioning frame 202, the rocker of the screw 201 is rotated, the screw 201 clamps the piston pin towards the middle in the limiting groove 105 due to the opposite threads on two sides of the screw 201, and the piston pin stops when the piston pin is rocked to a fixed position, and at the moment, the piston pin is fixed and is positioned right above the isolation net 101. The effect of adjusting and adapting to more models is achieved.

Firstly, one side of a supporting rod 301 is placed into a supporting frame 103, a polishing head 304 is installed into a displacement rod 303, then the displacement rod 303 is installed into the supporting rod 301, the supporting rod 301 is adjusted to a proper height, a positioning knob 302 is used for fixing the supporting rod 301, the position of the supporting rod 301 is fixed at the moment, then the displacement rod 303 is adjusted, the displacement rod 303 is moved to a required position, and a piston pin can be polished by opening the polishing head 304. Thereby achieving the function of the replaceable grinding head 304.

The polishing head 304 is opened to polish the piston pin clamped by the piston pin positioning frame 202, most of the fallen fly ash falls into the ash storage drawer 102 through the isolation net 101, the fly ash can be removed by pulling out the ash storage drawer 102, the fly ash flying in the polishing process enters the ash storage space inside the dust collector main body 403 through the air suction head 401 arranged above by opening the dust collector 4 and the guide pipe 402, and the dust collector 4 can regularly clean the inner fly ash. Thereby achieving the function of fly ash collection.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The piston pin grinding machine comprises a grinding machine base (1) and a top plate (5), and is characterized in that a piston pin support (2) is arranged at the top of the grinding machine base (1), a grinding machine (3) is arranged above the grinding machine base (1), and a dust collector (4) is fixedly connected to the side face of the grinding machine (3);

The grinding machine base (1) comprises an isolation net (101), an ash storage drawer (102) is arranged below the isolation net (101), limit grooves (105) are formed in the surfaces of two sides of the grinding machine base (1), supporting frames (103) are arranged around the top of the grinding machine base (1), and height adjusting holes (104) are formed in the outer side surfaces of the supporting frames (103);

The piston pin support (2) comprises a screw rod (201) which is rotationally connected with the base (1) of the grinding machine, two piston pin positioning frames (202) are connected to the surface of the screw rod (201) in a threaded mode, and the two piston pin positioning frames (202) are connected with the limiting groove (105) in a sliding mode.

2. The piston pin sander according to claim 1, wherein the middle of the supporting frame (103) is slidably connected with a supporting rod (301), two sides of the supporting rod (301) are threadably connected with positioning knobs (302), and the positioning knobs (302) are matched with the height adjusting holes (104).

3. A piston pin sander according to claim 2, wherein the surface of the support rods (301) are each slidably connected with a displacement rod (303), and a sanding head (304) is provided in the middle of two displacement rods (303).

4. A wrist pin sander according to claim 3, wherein the lower part of the support rod (301) is fixedly connected with an air suction head (401), a conduit (402) is arranged inside the support rod (301), and the side surface of the sander base (1) is fixedly connected with a dust collector main body (403).