CN116262575A

CN116262575A - LCD substrate oven jacking device

Info

Publication number: CN116262575A
Application number: CN202111521939.9A
Authority: CN
Inventors: 潘明华
Original assignee: Jiangsu Meike Dingrong Intelligent Equipment Manufacturing Co ltd
Current assignee: Jiangsu Meike Dingrong Intelligent Equipment Manufacturing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2023-06-16

Abstract

The invention discloses a jacking device of a liquid crystal display substrate oven, which comprises a jacking motor, wherein the jacking motor is in transmission connection with a jacking rotating shaft, a jacking swing arm is fixedly arranged on the jacking rotating shaft, a jacking sliding pin is fixedly arranged at the overhanging end of the jacking swing arm, the jacking sliding pin is slidingly arranged in a jacking sliding groove seat, the jacking sliding groove seat is fixedly connected to a jacking rod support, and a plurality of jacking rods are vertically arranged on the jacking rod support; the jacking rotating shaft is rotatably supported on the jacking support, and the jacking motor is further arranged on the jacking support. The output shaft of the jacking motor is connected with the jacking shaft through a coupling, at least two jacking swing arms are arranged on the jacking rotating shaft, and each jacking swing arm corresponds to one jacking chute seat. The jacking sliding chute seat is provided with a sliding pin groove, and the jacking sliding pin is slidably supported in the sliding pin groove of the jacking sliding chute seat. The jacking device can automatically jack up when the substrate is put into the box or removed from the box, so that the substrate is effectively protected from being damaged.

Description

LCD substrate oven jacking device

Technical Field

The present invention relates to a baking apparatus for a glass substrate (sheet) of a Liquid Crystal Display (LCD), and more particularly, to a glass substrate baking and lifting mechanism for a glass substrate baking oven.

Background

In the process of production and processing of a display glass substrate of an LCD, the glass substrate needs to be baked to remove surface organic solvents or surface water stains; the glass substrate baking process is performed by a glass substrate baking apparatus. In the baking cavity of the existing substrate baking equipment, the substrate cannot independently lift up and move, and feeding or taking is needed by means of external equipment, so that not only is the degree of automation and the production efficiency low, but also secondary pollution of the baked substrate and damage of a sheet glass plate are easy to form, and the quality of the baked substrate is directly affected.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the LCD substrate oven jacking device capable of automatically jacking when the substrate is put into or taken out of the box.

In order to solve the technical problems, the jacking device of the liquid crystal display substrate oven comprises a jacking motor, wherein the jacking motor is in transmission connection with a jacking rotating shaft, a jacking swing arm is fixedly arranged on the jacking rotating shaft, a jacking sliding pin is fixedly arranged at the overhanging end of the jacking swing arm, the jacking sliding pin is slidably arranged in a jacking sliding chute seat, the jacking sliding chute seat is fixedly connected to a jacking rod bracket, and a plurality of jacking rods are vertically arranged on the jacking rod bracket; the jacking rotating shaft is rotatably supported on a jacking support, a jacking motor is further arranged on the jacking support, at least two jacking swing arms are arranged on the jacking rotating shaft, and each jacking swing arm corresponds to one jacking chute seat; the top end of the jacking spring is higher than the top end of the jacking rod; the jacking spring stiffness of the jacking rod on the outer periphery side is larger than that of the jacking spring on the inner periphery side.

Preferably, an output shaft of the jacking motor is connected with the jacking shaft through a coupling.

Preferably, the jacking bracket is of a frame structure, and the jacking rod is fixedly arranged on the ejector rod bracket through the jacking connecting seat.

Preferably, the top of the lifting rod is movably sleeved with a lifting spring, and the lower end of the lifting spring is supported on the rod body of the lifting rod through a spring seat.

Preferably, the lifting chute seat is provided with a sliding pin groove, and the lifting sliding pin is slidably supported in the sliding pin groove of the lifting chute seat.

In the structure, the substrate jacking device drives the jacking rod on the ejector rod bracket through the jacking motor and the driven swing arm mechanism thereof; thereby realizing automatic jacking and placing or lifting of the baked glass sheets, facilitating feeding and discharging of the glass sheets and material taking and transferring, being convenient and quick and being beneficial to improving baking efficiency; when the lifting rod for lifting the substrate penetrates through the baking partition plate and is lifted into the baking oven, the structure keeps the balance and stability of the heating temperature of the baking cavity, and the baking effect and the uniformity of a temperature field are effectively improved. The top of the jacking rod is movably sleeved with the jacking spring, the top of the jacking spring is higher than the top of the jacking rod, and the jacking spring is contacted with the glass substrate, so that the direct jacking impact of the jacking rod on the glass substrate is avoided, the glass substrate is effectively protected, and the substrate is prevented from being damaged; particularly, the rigidity of the jacking spring on the jacking rod at the outer periphery side is higher than that of the jacking spring on the jacking rod at the inner periphery side, the response speed of the jacking spring with smaller rigidity is higher, when the jacking is carried out, the jacking rod and the jacking spring with smaller rigidity and positioned at the middle position of the substrate firstly jack up the substrate, then the peripheral ejector rods jack up the glass substrate again, so that the whole substrate is lifted in an arc shape, and the substrate jacking damage caused by negative pressure air suction of the substrate and the baking supporting plate is avoided; when the glass substrate is placed on the baking support plate, the lifting spring at the middle position enables the substrate to be firstly contacted with the baking support plate, then the periphery of the substrate is contacted with the baking support plate, the substrate is still placed in an arc shape, so that an air arch is prevented from being formed between the substrate and the support plate, the substrate is prevented from being damaged, and the baking quality is effectively ensured.

Drawings

The invention will be further described with reference to the drawings and the specific embodiments.

FIG. 1 is a schematic diagram of an embodiment of an oven lift-up apparatus for LCD substrates according to the present invention;

FIG. 2 is a schematic view of the structure of the lift pins and lift pin holders of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion I of FIG. 1;

FIG. 4 is a schematic diagram of the jack driving mechanism of FIG. 1;

fig. 5 is a schematic end-face structure of the lifting chute seat in fig. 4.

In the figure, a 1-jacking support, a 2-jacking rotating shaft, a 3-jacking rod, a 4-jacking swing arm, a 5-jacking chute seat, a 6-jacking sliding pin, a 7-jacking rod connecting seat, an 8-jacking rod support, a 9-jacking motor, a 10-jacking spring, an 11-spring seat and a 12-sliding pin groove.

Detailed Description

The jacking device for the LCD substrate oven shown in fig. 1 and 2 comprises a jacking motor 9, wherein a motor output shaft of the jacking motor 9 is connected with a jacking rotating shaft 2 through a corresponding coupling, so that the jacking motor 9 drives the jacking rotating shaft 2. The jacking motor 9 is arranged on an inner bracket of the glass baking oven through the jacking support 1, and the jacking rotating shaft 2 is also rotatably supported on the inner bracket of the glass baking oven through the other jacking support 1. The jacking bracket 8 formed by overlapping aluminum alloy sections can be arranged in the lower cavity of the baking oven in an up-down reciprocating manner, a plurality of jacking rods 3 are vertically and fixedly arranged on the jacking bracket 8 through jacking connecting seats 7, each jacking rod 3 corresponds to a jacking rod hole of a baking partition plate in the baking oven, and therefore the jacking rods 3 can penetrate through the jacking rod holes from below to extend into the baking cavity of the baking oven.

As shown in fig. 3, a lifting spring 10 is movably sleeved at the top end of the rod body of the lifting rod 3, the upper end of the lifting spring 10 is higher than the top end of the lifting rod 3, and when the lifting rod 3 works, the lifting rod 3 lifts or supports the glass substrate of the baking partition plate I of the baking box through the lifting spring 10, the lifting spring 10 is a cylindrical spiral spring, and the lower end of the lifting spring 10 is fixedly supported on the lifting rod 3 through a spring seat 11 on the lifting rod 3.

As shown in fig. 4 and 5, two lifting swing arms 4 are disposed on the lifting rotating shaft 2, one ends of the lifting swing arms 4 are fixedly connected to the lifting rotating shaft 2, the other ends of the lifting swing arms 4 are fixedly connected with lifting slide pins 6, the central lines of the lifting slide pins 6 and the lifting rotating shaft 2 are parallel to each other, the lifting slide pins 6 are slidably supported in slide pin grooves 12 of the lifting chute seats 5, and the slide pin grooves 12 are long grooves. The jacking chute seat 5 is fixedly connected to the jacking bracket 8. When the jacking motor 9 drives the jacking rotating shaft 2 and the jacking sliding pin 6 on the jacking rotating shaft to move in the sliding pin groove 12 of the jacking sliding groove seat 5, the jacking sliding pin 6 drives the jacking bracket 8 to reciprocate up and down through the jacking sliding groove seat 5, and the jacking rod 3 on the jacking bracket moves up and down along with the up and down movement of the jacking bracket 8 to penetrate through the baking partition plate in the baking oven to perform jacking movement on the glass substrate. The jacking spring 10 is movably sleeved at the top of the jacking rod 3, the top of the jacking spring 10 is higher than the top of the jacking rod, and the jacking spring is contacted with the glass substrate, so that the direct jacking impact of the jacking rod 3 on the glass substrate is avoided, the glass substrate is effectively protected, and the substrate is prevented from being damaged; especially, the rigidity of the jacking springs 10 on the jacking rod 3 positioned on the outer periphery side is higher than that of the jacking springs on the jacking rod 10 on the inner periphery side, the response speed of the jacking springs 10 with smaller rigidity is higher, when the jacking is carried out, the jacking rods and the jacking springs positioned in the middle of the substrate with smaller rigidity firstly jack up the substrate, then the peripheral ejector rods jack up the glass substrate again, so that the whole substrate is lifted in an arc shape, and the substrate jacking damage caused by negative pressure air suction of the substrate and the baking supporting plate is avoided; when the glass substrate is placed on the baking support plate, the lifting spring 10 at the middle position enables the substrate to be firstly contacted with the baking support plate, then the periphery of the substrate is contacted with the baking support plate, and the substrate is still placed in an arc shape so as to avoid forming an air arch between the substrate and the support plate.

Claims

1. The utility model provides a LCD base plate oven jacking device, includes jacking motor (418), its characterized in that: the jacking motor (418) is in transmission connection with the jacking rotating shaft (415), the jacking swinging arm (413) is fixedly arranged on the jacking rotating shaft (415), the jacking sliding pin (437) is fixedly arranged at the outer extending end of the jacking swinging arm (413), the jacking sliding pin (437) is slidably arranged in the jacking sliding groove seat (412), the jacking sliding groove seat (412) is fixedly connected to the jacking rod bracket (410), and a plurality of jacking rods (405) are vertically arranged on the jacking rod bracket (410); the jacking rotating shaft (415) is rotatably supported on a jacking support (417), a jacking motor (418) is further arranged on the jacking support (417), at least two jacking swing arms (413) are arranged on the jacking rotating shaft (415), and each jacking swing arm (413) corresponds to one jacking chute seat (412); the top end position of the jacking spring (438) is higher than the top end of the jacking rod (405); the rigidity of the lifting spring (438) of the lifting rod (405) on the outer periphery side is larger than that of the lifting spring (438) of the lifting rod (405) on the inner periphery side.

2. The lcd substrate oven lift-up apparatus of claim 1, wherein: an output shaft of the jacking motor (418) is connected with the jacking shaft (415) through a coupling.

3. The lcd substrate oven lift-up apparatus of claim 1, wherein: the jacking bracket (410) is of a frame structure, and the jacking rod (405) is fixedly arranged on the ejector rod bracket (410) through the jacking connecting seat (416).

4. A liquid crystal display substrate oven jacking device as claimed in claim 1, 2 or 3, wherein: the top of the jacking rod (405) is movably sleeved with a jacking spring (438), and the lower end of the jacking spring (438) is supported on the rod body of the jacking rod (405) through a spring seat (439).

5. The lcd substrate oven lift-up apparatus of claim 1, wherein: the lifting chute seat (412) is provided with a sliding pin groove (440), and the lifting sliding pin (437) is slidably supported in the sliding pin groove (440) of the lifting chute seat (412).