CN109834546B

CN109834546B - Case polisher

Info

Publication number: CN109834546B
Application number: CN201910173713.0A
Authority: CN
Inventors: 黄焕东; 许波; 柴军辉; 顾海云; 陆娇娜; 杨福; 张豪杰; 袁时杰
Original assignee: Ningbo Labor Safety Technology Service Co
Current assignee: Ningbo Labor Safety Technology Service Co ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2021-01-12
Anticipated expiration: 2039-03-07
Also published as: CN109834546A

Abstract

The invention discloses a valve core grinding machine, which belongs to the field of grinding devices and comprises: grinding disc; the driving mechanism comprises a motor, a driving rod and a driving disk for driving the driving rod to periodically swing, the middle part of the driving rod is hinged on the polishing disk, the motor drives the driving disk, and a sliding groove is formed in the driving rod; the track is 8-shaped; the clamping block is used for clamping the valve core, a vertical rod is arranged on the clamping block and positioned in the sliding groove, and the driving rod is driven to move along the track when swinging, so that the valve core clamping device has the advantages that: utilize the track of 8 fonts, make the pole setting drive the clamp splice and then drive the case and remove along orbital orbit and polish, avoid artifical polishing to have the potential safety hazard, overcome the problem that mechanical transmission mode of polishing can't evenly polish according to 8 fonts simultaneously.

Description

Case polisher

Technical Field

The invention relates to the field of polishing devices, in particular to a valve core polishing machine.

Background

When a valve core of a one-way valve is machined, the surface of the valve core is uneven, the surface of the valve core can be not smooth enough due to corrosion after the valve core is used for a long time, the sealing effect is reduced, the valve core needs to be polished, the method adopted at present is to position the valve core by adopting a pressing device, then the valve core is polished by adopting a polishing device, but due to the unidirectional rotation of a polishing disk, the polished surface forms an annular scratch.

In manual grinding, a 8-shaped grinding track is usually required, so as to avoid scratches along the grinding direction and microscopic uneven scratches caused by unidirectional grinding.

In the prior art, some devices drive a clamping device to simulate the action of a human hand through a connecting rod, so that unidirectional polishing is avoided. However, manual polishing has a certain potential safety hazard, and the polishing device driven by a machine is difficult to polish according to an 8-shaped track, so that the polishing effect is poor.

Disclosure of Invention

The invention mainly aims to provide a valve core grinding machine, which can solve the problem that a grinding device driven by a machine in the prior art cannot grind according to an 8-shaped track.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a valve core sander, comprising:

grinding disc;

the driving mechanism comprises a motor, a driving rod and a driving disk for driving the driving rod to periodically swing, the middle part of the driving rod is hinged on the polishing disk, the motor drives the driving disk, and a sliding groove is formed in the driving rod;

the track is 8-shaped;

the clamping block is used for clamping the valve core, a vertical rod is arranged on the clamping block and located in the sliding groove, and the driving rod is driven to move along the track when swinging.

Preferably, the driving disc is provided with a driving groove, the driving groove extends along the central circumference of the driving disc, and the unfolding shape of the driving groove is similar to a sine curve.

Preferably, the rail comprises a first limiting disc and a second limiting disc, an 8-shaped rail groove is formed between the first limiting disc and the second limiting disc, and the vertical rod extends into the rail groove and the sliding groove.

Preferably, the clamping block comprises a clamping cover, a push rod, a top block and a spring, the clamping cover is provided with an accommodating groove for accommodating the valve element, a threaded hole matched with the push rod is formed in the side wall of the clamping cover, an external thread is formed in the push rod, a top groove for accommodating the top block is formed in the push rod, one end, facing the accommodating groove, of the top groove is an opening, one end of the spring is connected to the top block, and the other end of the spring is connected to the inside of the top groove.

Preferably, the polishing device comprises a longitudinal polishing device and a polishing table, wherein the longitudinal polishing device comprises a first bevel gear, a second bevel gear meshed with the first bevel gear, a connecting rod with one end connected to the second bevel gear in a driving manner, a third bevel gear arranged at the other end of the connecting rod in a driving manner, a fourth bevel gear meshed with the third bevel gear and a bidirectional screw rod connected to the fourth bevel gear in a driving manner, the first bevel gear is coaxially connected to the driving disk in a driving manner, the polishing disc is slidably arranged on the polishing table, and a threaded hole matched with the bidirectional screw rod is formed in the polishing disc and used for realizing reciprocating motion under the driving of the bidirectional screw rod.

Compared with the prior art, the invention has the advantages that: utilize the track of 8 fonts, make the pole setting drive the clamp splice and then drive the case and remove along orbital orbit and polish, avoid artifical polishing to have the potential safety hazard, overcome the problem that mechanical transmission mode of polishing can't evenly polish according to 8 fonts simultaneously.

Drawings

FIG. 1 is a first schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a second schematic structural diagram according to a second embodiment of the present invention;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of a second embodiment according to the present invention.

Reference numerals: 00. polishing platform, 10, polishing disk, 20, motor, 21, driving disk, 211, driving groove, 22, driving rod, 221, chute, 23, hinge rod, 30, first spacing disk, 31, second spacing disk, 32, spacing groove, 33, supporting rod, 40, clamping block, 41, clamping cover, 42, ejector rod, 421, ejector block, 422, spring, 43, upright rod, 51, first bevel gear, 52, second bevel gear, 53, connecting rod, 54, third bevel gear, 55, fourth bevel gear, 56, two-way screw.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, one embodiment of the present invention: a valve core sander, comprising: a polishing disc 10; the driving mechanism comprises a motor 20, a driving rod 22 and a driving plate 21 for driving the driving rod 22 to periodically swing, the middle part of the driving rod 22 is hinged on the polishing disc 10, the motor 20 drives the driving plate 21, and a sliding groove 221 is formed in the driving rod 22; the track is 8-shaped; the clamping block 40 is used for clamping the valve core, a vertical rod 43 is arranged on the clamping block 40, the vertical rod 43 is located in the sliding groove 221, and the driving rod 22 is driven to move along the track when swinging.

The driving disc 21 is provided with a driving groove 211, the motor 20 is fixedly arranged on one side of the polishing disc 10, one side of the driving rod 22 close to the driving disc 21 is provided with a sliding rod 222 which can be accommodated in the driving groove 211, the driving groove 211 extends along the central circumference of the driving disc 21 and is in a similar sine curve, namely the driving groove 211 is provided with a high point and a low point on the circumferential track, the sliding rod 222 can periodically swing between the high point and the low point when sliding in the driving groove 211, and the middle part of the driving rod 22 is hinged on one side of the polishing disc 10, so that the driving rod 22 can periodically swing back and forth in a certain angle range by taking a hinged point as the center.

The track comprises a first limiting disc 30 and a second limiting disc 31, the first limiting disc 30 and the second limiting disc 31 are mounted on the polishing disc 10 through a support rod 33, the first limiting disc 30 is 8-shaped, an 8-shaped groove is formed in the first limiting disc 30, the second limiting disc 31 is in a water droplet shape and is located in the groove, so that an 8-shaped track groove 32 is formed between the first limiting disc and the second limiting disc, the vertical rod 43 extends into the track groove 32 and the sliding groove 221, when the drive rod 22 swings, the vertical rod 43 can move along the track groove 32 under the drive of the drive rod 22 under the limiting effect of the track groove 32, and finally the 8-shaped motion track is achieved.

The clamping block 40 comprises a clamping cover 41, an ejector rod 42, a top block 421 and a spring 422, the clamping cover 41 is provided with a containing groove for containing the valve core, a threaded hole matched with the ejector rod 42 is formed in the side wall of the clamping cover 41, an external thread is formed in the ejector rod 42, a top groove for containing the top block 421 is formed in the ejector rod 42, one end, facing the containing groove, of the top groove is an opening, one end of the spring 422 is connected to the top block 421, the other end of the spring 422 is connected to the top groove, the length of the ejector rod 42, located in the containing groove, can be adjusted by rotating the ejector rod 42 during use, and the flexible clamping of the valve core can be achieved through the top block 421 and the action of the spring 422.

In other embodiments, as shown in fig. 5, the present invention further includes a longitudinal polishing device and a polishing table 00, the polishing device includes a first bevel gear 51, a second bevel gear 52 engaged with the first bevel gear 51, a connecting rod 53 having one end drivingly connected to the second bevel gear 52, a third bevel gear 54 drivingly disposed at the other end of the connecting rod 53, a fourth bevel gear 55 engaged with the third bevel gear 54, and a bidirectional screw 56 drivingly connected to the fourth bevel gear 55, the first bevel gear 51 is coaxially drivingly connected to the driving disk 21, the polishing disk 10 is slidably disposed on the polishing table 00, and the polishing disk 10 is provided with a threaded hole engaged with the bidirectional screw 56 for realizing a reciprocating motion driven by the bidirectional screw 56.

The grinding disc 10 can be driven by the bidirectional screw 56 to reciprocate periodically. Drive-disc 21 is connected to first bevel gear 51 through the pivot drive of a coaxial setting, motor 20 drives drive-disc 21 pivoted and drives first bevel gear 51 and rotate when rotating, first bevel gear 51 drives second bevel gear 52 and rotates, second bevel gear 52 drives connecting rod 53 and rotates, connecting rod 53 rotationally sets up on the platform 00 of polishing through the fixed block, connecting rod 53 drives third bevel gear 54 and rotates, third bevel gear 54 drives fourth bevel gear 55 and rotates, fourth bevel gear 55 drives two-way screw 56 and rotates, two-way screw 56 drives the mill 10 and is the periodic movement, the dimension of polishing has further been increased, it is more even to make to polish, avoid being regular polishing.

The polishing disc 10 is provided with a sliding block, and the polishing table 00 is provided with a sliding groove 221 matched with the sliding block, so that the polishing disc 10 can be arranged on the polishing table 00 in a sliding manner.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A valve core sander, comprising:

grinding disc;

the track is 8-shaped;

the clamping block is used for clamping the valve core, a vertical rod is arranged on the clamping block and is positioned in the sliding groove, and the driving rod is driven to move along the track when swinging;

the driving disc is provided with a driving groove, the driving groove extends along the central circumference of the driving disc, and the unfolded shape of the driving groove is similar to a sine curve;

the rail comprises a first limiting disc and a second limiting disc, an 8-shaped rail groove is formed between the first limiting disc and the second limiting disc, and the vertical rod extends into the rail groove and the sliding groove;

the clamping block comprises a clamping cover, a mandril, a top block and a spring, the clamping cover is provided with an accommodating groove for accommodating the valve core, the side wall of the clamping cover is provided with a threaded hole matched with the mandril, the mandril is provided with an external thread, the mandril is provided with a top groove for accommodating the top block, one end of the top groove facing the accommodating groove is an opening, one end of the spring is connected to the top block, and the other end of the spring is connected to the inside of the top groove;

the polishing device comprises a first bevel gear, a second bevel gear meshed with the first bevel gear, a connecting rod with one end in driving connection with the second bevel gear, a third bevel gear arranged at the other end of the connecting rod in driving connection, a fourth bevel gear meshed with the third bevel gear and a bidirectional screw rod connected to the fourth bevel gear in driving connection, the first bevel gear is in coaxial driving connection with the driving disk, the polishing disk is slidably arranged on the polishing table, and a threaded hole matched with the bidirectional screw rod is formed in the polishing disk and used for realizing reciprocating motion under the driving of the bidirectional screw rod.