CN-115339090-B - Differential pressure coating machine

CN115339090BCN 115339090 BCN115339090 BCN 115339090BCN-115339090-B

Abstract

The invention provides a differential pressure coating machine which comprises a frame, a base, a diaphragm positioning frame body, a lifting assembly, a lifting driving mechanism, an upper bin body, a first rotary driving mechanism, a first connecting rod and a second connecting rod, wherein the base is arranged on the frame, the diaphragm positioning frame body is arranged on the upper part of the base, the lifting assembly can be arranged on the upper part of the base in a vertically movable manner and is positioned below the diaphragm positioning frame body, the lifting driving mechanism is connected with the lifting assembly, the lifting driving mechanism can drive the lifting assembly to move up and down, the upper bin body can be arranged on the frame in a vertically movable manner and is positioned above the base, the first rotary driving mechanism is arranged on the frame, the output end of the first rotary driving mechanism is connected with one end of the first connecting rod, the other end of the first connecting rod is pivoted with one end of the second connecting rod, the other end of the second connecting rod is pivoted with the upper bin body, and the first connecting rod is driven to rotate by the first rotary driving mechanism, so that the upper bin body is driven to lift by the second connecting rod, and the upper bin body is combined or separated from the base.

Inventors

CHEN ZHIXIONG
XU CHENGLIN
HAN CHANGFU

Assignees

德科摩橡塑科技(东莞)有限公司

Dates

Publication Date: 20260512
Application Date: 20220808

Claims (7)

1. The differential pressure coating machine is characterized by comprising a frame, a base, a diaphragm positioning frame body, a lifting assembly, a lifting driving mechanism, an upper bin body, a first rotary driving mechanism, a first connecting rod and a second connecting rod, wherein the base is arranged on the frame, the diaphragm positioning frame body is arranged on the upper part of the base, the diaphragm positioning frame body is used for positioning the diaphragm, the lifting assembly is arranged on the upper part of the base in a vertically movable manner and is positioned below the diaphragm positioning frame body, the upper part of the lifting assembly is used for positioning a workpiece, the lifting driving mechanism is connected with the lifting assembly, and the lifting driving mechanism can drive the lifting assembly to move vertically; the upper bin body is arranged on the frame in a vertically movable way and is positioned above the base, the first rotary driving mechanism is arranged on the frame, the output end of the first rotary driving mechanism is connected with one end of the first connecting rod, the other end of the first connecting rod is pivoted with one end of the second connecting rod, the other end of the second connecting rod is pivoted with the upper bin body, the first connecting rod is driven to rotate by the first rotary driving mechanism so as to drive the upper bin body to lift by the second connecting rod, the upper bin body is clamped or separated from the base, the frame is provided with a first detection sensor for detecting whether the second connecting rod moves below the first connecting rod and is in the same length direction with the first connecting rod, the lifting driving mechanism comprises a second rotary driving mechanism, a third connecting rod and a fourth connecting rod, the second rotary driving mechanism is arranged on the base, the output end of the second rotary driving mechanism is connected with the third connecting rod, the other end of the third connecting rod is pivoted with one end of the fourth connecting rod, the other end of the fourth connecting rod is pivoted with the lifting assembly, the second rotation driving mechanism drives the third connecting rod to rotate so as to drive the lifting assembly to lift through the fourth connecting rod, and a second detection sensor is arranged on the base and used for detecting whether the fourth connecting rod moves above the third connecting rod and is in the same length direction with the third connecting rod.
2. The differential pressure coating machine according to claim 1, wherein a lifting slide rail is arranged on the frame along the up-and-down moving direction of the upper bin body, and the upper bin body is slidably arranged on the lifting slide rail.
3. The differential pressure coating machine according to claim 1, wherein the number of the first connecting rods and the second connecting rods is two, the two first connecting rods are pivoted on the frame at intervals, the first rotation driving mechanism is connected with one end of one of the first connecting rods, a first connecting shaft is connected between the other ends of the two first connecting rods, one ends of the two second connecting rods are pivoted on the first connecting shaft at intervals, and the other ends of the two second connecting rods are pivoted with the upper bin body respectively.
4. The differential pressure coating machine of claim 1, wherein the upper portion of the diaphragm positioning frame body is provided with a positioning column for positioning the diaphragm.
5. The differential pressure coating machine according to claim 1, wherein the upper bin body is provided with a containing cavity with a downward opening, an upper pressing plate is arranged on the inner wall of the containing cavity, a through hole for the workpiece to pass through is formed in the upper pressing plate, and the upper pressing plate is propped against the diaphragm on the supporting frame body when the upper bin body and the base are assembled.
6. The differential pressure coating machine of claim 1, wherein a sealing rubber strip for sealing between the upper bin body and the base is arranged at the bottom of the upper bin body.
7. The differential pressure coating machine according to claim 1, wherein a traversing driving mechanism is arranged on the frame, the base is movably arranged on the frame, the traversing driving mechanism is connected with the base, and the traversing driving mechanism drives the base to traverse, so that the base moves to the lower part of the upper bin body or moves to avoid the upper bin body.

Description

Differential pressure coating machine Technical Field The invention relates to the technical field of differential pressure coating, in particular to a differential pressure coating machine. Background The differential pressure coating decoration process is a 3D surface decoration process capable of realizing higher quality appearance effect, adopts a vacuum atmosphere mode to carry out appearance coating on a product, and can realize the surface effect of various imitation materials such as grain, leather, carbon fiber, paper cloth and the like and texture through different effects of the membrane. The existing pressure difference coating machine is characterized in that a lower die and an upper die are driven to be clamped, a cavity formed by the clamping die is heated and vacuumized, then a product is driven to rise in the cavity and be attached to a diaphragm, and the pressure difference coating product is obtained through high-pressure molding. However, the existing differential pressure coating machine adopts an oil pressure structure to drive the lower die to move and the upper die to carry out die assembly, and because the oil pressure structure is adopted, a large oil path structure is required to be arranged, and the problems of large volume, large occupied factory building space and high cost exist. In addition, in the high-pressure molding stage, the existing oil pressure structure is easy to move due to high pressure, so that the position of a lower die is difficult to keep still, the die assembly of the lower die and an upper die is unstable, and the coating quality of a product is seriously affected. Disclosure of Invention The invention aims to provide a differential pressure coating machine with small volume and low production cost. In order to achieve the above purpose, the invention provides a differential pressure coating machine, which comprises a frame, a base, a membrane positioning frame body, a lifting assembly, a lifting driving mechanism, an upper bin body, a first rotary driving mechanism, a first connecting rod and a second connecting rod, wherein the base is arranged on the frame, the membrane positioning frame body is arranged on the upper part of the base, the membrane positioning frame body is used for positioning a membrane, the lifting assembly is arranged on the upper part of the base in a vertically movable manner and is positioned below the membrane positioning frame body, the upper part of the lifting assembly is used for positioning a workpiece, the lifting driving mechanism is connected with the lifting assembly, the lifting driving mechanism can drive the lifting assembly to move up and down, the upper bin body is arranged on the frame in a vertically movable manner and is positioned above the base, the first rotary driving mechanism is arranged on the frame, the output end of the first rotary driving mechanism is connected with one end of the first connecting rod, the other end of the first connecting rod is pivoted with one end of the second connecting rod, and the first rotary driving mechanism is pivoted with the upper bin body through the first rotary driving mechanism or the upper bin body. Preferably, the frame is provided with a lifting slide rail arranged along the up-and-down movement direction of the upper bin body, and the upper bin body is slidably arranged on the lifting slide rail. Preferably, the number of the first connecting rods and the second connecting rods is two, the two first connecting rods are pivoted on the frame at intervals, the first rotation driving mechanism is connected with one end of one of the first connecting rods, a first connecting shaft is connected between the other ends of the two first connecting rods, one ends of the two second connecting rods are pivoted on the first connecting shaft at intervals, and the other ends of the two second connecting rods are pivoted with the upper bin body respectively. Preferably, a first detection sensor is arranged on the frame, and the first detection sensor is used for detecting whether the second connecting rod moves below the first connecting rod and is in the same length direction with the first connecting rod. Preferably, a positioning column for positioning the membrane is arranged at the upper part of the membrane positioning frame body. Preferably, the upper bin body is provided with a containing cavity with a downward opening, an upper pressing plate is arranged on the inner wall of the containing cavity, a through hole for the workpiece to pass through is formed in the upper pressing plate, and when the upper bin body and the base are assembled, the upper pressing plate is abutted against the diaphragm on the supporting frame body. Preferably, a sealing rubber strip used for sealing between the upper bin body and the base is arranged at the bottom of the upper bin body. Preferably, the lifting driving mechanism comprises a second rotation driving mechanism, a third connecting rod