CN213532159U

CN213532159U - Dropping liquid centering structure and automatic dropping liquid machine

Info

Publication number: CN213532159U
Application number: CN202022691517.3U
Authority: CN
Inventors: 李二虎
Original assignee: Lens Technology Changsha Co Ltd
Current assignee: Lens Technology Changsha Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-25
Anticipated expiration: 2030-11-19

Abstract

The utility model provides a dropping liquid centering structure and an automatic dropping liquid machine, wherein the dropping liquid centering structure comprises a grinding cover, a bearing assembly and a mandril which are sequentially connected from bottom to top, and one surface of the grinding cover, which is far away from the bearing assembly, is provided with a grinding surface for polishing products; a first through hole, a second through hole and a third through hole which are vertically communicated and have coincident central axes are respectively arranged on the grinding cover, the bearing assembly and the ejector rod; the side wall of the ejector rod is provided with an air outlet communicated with the third through hole; automatic dropping liquid machine includes automatic infusion set and dropping liquid centering structure, automatic infusion set passes through the third through hole intercommunication of dropping liquid hose with dropping liquid centering structure for carry the polishing solution to dropping liquid centering structure. The utility model discloses not only realize automatic dropping liquid, can also improve polishing yield and polishing efficiency.

Description

Dropping liquid centering structure and automatic dropping liquid machine

Technical Field

The utility model relates to a polishing equipment technical field, concretely relates to dropping liquid centering structure and automatic dropping liquid machine.

Background

With the development of science and technology, consumer electronics are more and more abundant in variety. The new materials such as glass, ceramics and gems are more and more widely applied in electronic products and are well received by consumers. Polishing of glass, ceramics, gemstones and other products is an indispensable part of the processing technology. The requirements are higher and higher as the product structure is more and more novel. The existing four-shaft spherical polishing machine comprises a power output shaft, a base, a grinding cover and an ejector rod, wherein the power output shaft, the base, the grinding cover and the ejector rod are arranged from bottom to top, the base is fastened on the power output shaft through bolts and used for fixing a product and driving the product to rotate, and the grinding cover is arranged at the bottom end of the ejector rod. In the chamfering polishing process, the ejector rod presses the grinding cover under the action of the air pressure equipment, so that the grinding cover presses a product, the polishing machine is started, the power output shaft rotates at a high speed to drive the product to rotate, the product is polished under the action of the grinding cover, and polishing liquid (such as diamond liquid) used in the polishing process needs to be removed through manual operation and is manually dripped onto a product processing surface. The polishing solution is dropped manually, which often has the following problems: (1) the stability of manual operation is poor, and if the dropping position is difficult to accurately control, the adding amount of polishing drops is difficult to control; (2) the manual operation procedure is complicated, and the efficiency is low; (3) the product yield is difficult to guarantee.

In view of the above, there is a need for a liquid dropping centering structure and an automatic liquid dropping machine to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dropping liquid centering structure and automatic dropping liquid machine has solved among the prior art because polishing solution dropping liquid position and dropping liquid volume that manual work leads to are wayward, the operating efficiency is low, the product yield is difficult to the problem of guarantee, and concrete technical scheme is as follows:

a dropping liquid centering structure comprises a grinding cover, a bearing assembly and a push rod which are sequentially connected from bottom to top, wherein one surface of the grinding cover, which is far away from the bearing assembly, is provided with a grinding surface for polishing products;

a first through hole, a second through hole and a third through hole which are vertically communicated and have coincident central axes are respectively arranged on the grinding cover, the bearing assembly and the ejector rod; and the side wall of the ejector rod is provided with an air outlet communicated with the third through hole.

Preferably, the bearing assembly comprises a bearing unit and a pressing block, the pressing block comprises a body part and a flange part arranged on the top of the body part, the top of the flange part is provided with a mounting groove for mounting the ejector rod, the body part is connected with an inner ring of the bearing unit, an outer ring of the bearing unit is fixedly connected with the grinding cover, and the second through hole is formed in the body part of the pressing block and is communicated with the inside of the mounting groove.

Preferably, the third through hole is a stepped hole, the stepped hole comprises a first hole section and a second hole section, the diameter of the first hole section is larger than that of the second hole section, the second hole section is close to the bearing assembly, and the air outlet hole is communicated with the first hole section.

Preferably, the bottom of ejector pin sets up to the sphere form, the mounting groove is the hemisphere recess that matches with ejector pin bottom shape.

Preferably, the top of the grinding cover is provided with a first groove and a second groove, the bearing single piece is embedded in the first groove, the second groove is located on two opposite sides of the first groove in the radial direction of the grinding cover, and the second groove is communicated with the first groove.

Preferably, the air outlet comprises a first opening arranged on the inner wall of the ejector rod and a second opening arranged on the outer wall of the ejector rod, the openings of the first opening and the second opening are both waist-shaped openings, the size of the first opening is smaller than that of the second opening, and the height of the geometric center of the first opening is lower than that of the geometric center of the second opening.

The utility model provides an automatic dropping liquid machine, reaches including automatic infusion set the dropping liquid centering structure, automatic infusion set passes through the third through-hole intercommunication of dropping liquid hose with dropping liquid centering structure for carry the polishing solution to dropping liquid centering structure.

Preferably, the automatic transfusion device is connected with the computer through a circuit

Use the technical scheme of the utility model, following beneficial effect has:

the utility model provides a dropping liquid centering structure and automatic dropping liquid machine, dropping liquid centering structure includes grind first through-hole, second through-hole and the third through-hole that is equipped with vertical intercommunication and the coincidence of the central axis on lid, bearing assembly and the ejector pin respectively, infusion set passes through dropping liquid hose and dropping liquid centering structure intercommunication, and the polishing solution flows to the central point of product after passing through dropping liquid hose, third through-hole, second through-hole and first through-hole, not only realizes automatic dropping liquid, has solved the problem of manual dropping liquid, still makes the polishing solution by the central point of product position under the effect of polishing centrifugal force synchronous diffusion to polishing region, improves polishing yield and polishing efficiency. The lateral wall of ejector pin is equipped with the venthole with the third through hole intercommunication, is convenient for the inside and the outside atmospheric pressure of dropping liquid centering structure are the same, ensure going on continuously of automatic dropping liquid.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic sectional structure view of a liquid dropping centering structure in operation according to embodiment 1 of the present invention;

FIG. 2 is a schematic sectional view of the assembled grinding cap and bearing assembly of FIG. 1;

FIG. 3 is a cross-sectional view of the stem lifter of FIG. 1;

FIG. 4 is a perspective view of the stem lifter of FIG. 1;

FIG. 5 is a perspective view of the grinding cap of FIG. 1;

FIG. 6 is a top view of the grinding cap of FIG. 5;

the grinding device comprises a base 1, a base 2, a grinding cover 2.1, a first through hole 2.2, a second groove 2.3, a first groove 3, a bearing single piece 4, a pressing block 4.1, a second through hole 4.2, a body part 4.3, a flange part 5, an ejector rod 5.1, a third through hole 5.2, an air outlet hole 01, an output shaft 02 and a product.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1-6, a dropping liquid centering structure comprises a grinding cover 2, a bearing assembly and a push rod 5 which are sequentially connected from bottom to top, wherein one surface of the grinding cover 2, which is far away from the bearing assembly, is provided with a grinding surface for polishing a product 02;

a first through hole 2.1, a second through hole 4.1 and a third through hole 5.1 which are vertically communicated and have coincident central axes are respectively arranged on the grinding cover 2, the bearing assembly and the ejector rod 5; the lateral wall of ejector pin 5 is equipped with the venthole 5.2 with third through hole 5.1 intercommunication, is convenient for the inside and the outside atmospheric pressure of dropping liquid centering structure are the same, ensure going on continuously of automatic dropping liquid.

The bearing assembly comprises a bearing single piece 3 and a pressing block 4, referring to fig. 2, the pressing block 4 comprises a body part 4.2 and a flange part 4.3 arranged at the top of the body part 4.2, a mounting groove is arranged at the top of the flange part 4.3 for mounting an ejector rod 5, the body part 4.2 is connected with an inner ring of the bearing single piece 3, an outer ring of the bearing single piece 3 is fixedly connected with a grinding cover 2, and a second through hole 4.1 is formed in the body part of the pressing block 4 and is communicated with the inside of the mounting groove. The combined design of the bearing single piece 3 and the pressing block 4 solves the problem that the ejector rod is easy to wear due to the relative rotation torque of the grinding cover 2 and the ejector rod 5 in the polishing process. In addition, the pressing block 4 can bear a certain torque, so that the bearing single piece 3 is prevented from being easily damaged; if the pressing block 4 is not arranged, the bottom of the ejector rod 5 is easy to damage, and the pressing block 4 is arranged after the ejector rod 5 is damaged and is convenient to replace.

Referring to fig. 1 and 3, the third through hole 5.1 is a stepped hole, the stepped hole includes a first hole section and a second hole section, the diameter of the first hole section is larger than that of the second hole section, the second hole section is close to the bearing assembly, and the air outlet hole 5.2 is communicated with the first hole section.

Referring to fig. 1, 2-4, the bottom end of the top rod 5 is spherical, and the mounting groove is a hemispherical groove matched with the bottom end of the top rod 5 in shape.

Referring to fig. 5-6, a first groove 2.3 and a second groove 2.2 are formed in the top of the grinding cap 2, the bearing unit 3 is embedded in the first groove 2.3, the second groove 2.2 is located on two opposite sides of the first groove 2.2 in the radial direction of the grinding cap 2, the second groove 2.2 is communicated with the first groove 2.3, and the second groove 2.2 facilitates the installation and removal of the bearing unit 3.

Referring to fig. 3-4, the air outlet 5.2 includes a first opening disposed on the inner wall of the push rod 5 and a second opening disposed on the outer wall of the push rod 5, the openings of the first opening and the second opening are both waist-shaped openings, the size of the first opening is smaller than that of the second opening, and the height of the geometric center of the first opening is lower than that of the geometric center of the second opening, so that the line connecting the geometric centers of the first opening and the second opening is inclined upward, thereby facilitating the air in the drip centering structure to be led out.

The utility model provides an automatic liquid dropping machine, includes automatic infusion set (not shown in the figure), base 1 and dropping liquid centering structure, automatic infusion set passes through the dropping liquid hose and feeds through with dropping liquid centering structure for carry the polishing solution to dropping liquid centering structure, base 1 sets up the power take off end at the output shaft of burnishing machine, is used for fixed product and drives the product rotation.

The automatic transfusion device is connected with the computer through a circuit, and the dropping speed is intelligently controlled through the computer.

Automatic dropping liquid machine is when polishing the operation, fixes product 02 on base 1, ejector pin 5 is held down in the effect of pneumatic equipment (pneumatic equipment the effect end pass through the crossbeam with ejector pin 5's lateral wall is connected, avoids influencing the dropping liquid hose infusion that is located the ejector pin top, and the drawing shows that gas pressure equipment and crossbeam) and presses grinding lid 2, makes grinding lid 2 push down product 02, product 02 rotates at a high speed under the drive of burnishing machine output shaft 01, drives simultaneously and grinds lid 2 and rotate, this in-process, automatic dropping liquid machine passes through computer intelligent control dropping liquid rate for flow to product 02 behind polishing solution through dropping liquid hose, second through-hole 4.1 and first through-hole 2.1 on, the rotational speed of grinding lid 2 is less than product 02's rotational speed, realizes the polishing effect through the difference in speed.

Embodiment 1 dropping liquid centering structure and automatic dropping liquid machine not only realize automatic dropping liquid, have solved the problem of manual dropping liquid, still make the polishing solution by the central point of product 02 the effect of polishing centrifugal force down the synchronous diffusion to polishing region, improve polishing yield and polishing efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The dropping liquid centering structure is characterized by comprising a grinding cover (2), a bearing assembly and a push rod (5) which are sequentially connected from bottom to top, wherein one surface of the grinding cover (2) departing from the bearing assembly is provided with a grinding surface for polishing products;

a first through hole (2.1), a second through hole (4.1) and a third through hole (5.1) which are vertically communicated and the central axes of which are overlapped are respectively arranged on the grinding cover (2), the bearing assembly and the mandril (5); and the side wall of the ejector rod (5) is provided with an air outlet (5.2) communicated with the third through hole (5.1).

2. A drip centering structure according to claim 1, wherein said bearing assembly comprises a bearing unit (3) and a pressing block (4), said pressing block (4) comprises a body portion (4.2) and a flange portion (4.3) provided on the top of said body portion (4.2), the top of said flange portion (4.3) is provided with a mounting groove for mounting said carrier rod (5), said body portion (4.2) is connected with the inner ring of said bearing unit, the outer ring of said bearing unit (3) is fixedly connected with said grinding cap (2), said second through hole (4.1) is formed in said body portion (4.2) of said pressing block (4) and is communicated with the inside of said mounting groove.

3. A drip centering structure according to claim 2, wherein said third through hole (5.1) is a stepped bore comprising a first bore section having a larger diameter than a second bore section, said second bore section being adjacent to said bearing assembly, said outlet bore (5.2) communicating with said first bore section.

4. A drip centering structure according to claim 2, wherein the bottom end of the carrier rod (5) is provided with a spherical shape, and the mounting groove is a hemispherical groove matching the shape of the bottom end of the carrier rod (5).

5. A drip centering structure according to claim 2, characterized in that the grinding cap (2) is provided at the top with a first groove (2.3) and a second groove (2.2), the bearing unit (3) being fitted in the first groove (2.3), the second groove (2.2) being located at opposite sides of the first groove (2.3) in the radial direction of the grinding cap (2), the second groove (2.2) communicating with the first groove (2.3).

6. A drip centering structure according to claim 1, wherein said air outlet hole (5.2) comprises a first opening provided on the inner wall of the carrier rod (5) and a second opening provided on the outer wall of the carrier rod (5), the openings of the first and second openings are each in the shape of a kidney-shaped opening, the size of the first opening is smaller than that of the second opening, and the height of the geometric center of the first opening is lower than that of the geometric center of the second opening.

7. An automatic dripping machine, comprising an automatic liquid feeding device and a liquid dripping centering structure as claimed in any one of claims 1 to 6, wherein the automatic liquid feeding device is communicated with a third through hole (5.1) of the liquid dripping centering structure through a liquid dripping hose for feeding polishing liquid to the liquid dripping centering structure.

8. The automatic drip machine according to claim 7 wherein said automatic infusion device is electrically connected to a computer.