Ejection mechanism with ball structure

Abstract

The utility model relates to the technical field of LED bracket material strip production, and in particular to an ejection mechanism with a ball structure; it comprises a push rod, a push plate, a guide column and a guide sleeve; the moving end of the push rod is fixedly connected to the push plate, the push plate is provided with a guide sleeve, the guide sleeve is sleeved on the guide column, the inner wall of the guide sleeve is provided with balls, the outer wall of the guide sleeve is fixedly connected to the push plate, and when the push rod pushes the push plate, the guide sleeve slides with the guide column through the balls; compared with the prior art, the inner wall of the guide sleeve adopted in the utility model is provided with balls, and the material is copper alloy, which replaces the traditional graphite guide sleeve, the number of balls arranged inside the guide sleeve is large, and it can withstand a large rated dynamic load, the guide sleeve and the guide column are pre-pressed and assembled, which can ensure the smooth movement of the push plate, and effectively solves the problem of the prior art that the graphite guide sleeve is heated and sintered to cause the push plate movement to jam.

Description

Technical Field

[0001] The utility model relates to the technical field of LED bracket material strip production, in particular to an ejection mechanism with a ball structure. Background Art

[0002] During the production process of LED bracket strips, the strips need to be stripped after injection molding. The existing practice is to strip the strips on a stripping machine. The strips need to be conveyed before stripping. The conveying process requires an ejection mechanism to eject the strips. The push rod on the ejection mechanism pushes out the push plate, and then pushes out the ejector connected to the push plate. After being pushed out, the ejector can push out the limit plate, and then push the strips onto the conveying channel. At present, the main problem with the existing ejection mechanism is that the push plate needs to cooperate with the guide column and the guide sleeve during the pushing process, and the guide sleeve used in the prior art is a graphite guide sleeve, which will continuously rub against the guide column, and then heat up and sinter, and finally cause the push plate to jam. To this end, we propose an ejection mechanism with a ball structure. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides an ejection mechanism with a ball structure, which can effectively solve the problems raised in the above-mentioned background technology through improvement.

[0004] The technical solution of the utility model is:

[0005] A ball-structured ejection mechanism comprises a push rod, a push plate, a guide column and a guide sleeve;

[0006] The moving end of the push rod is fixedly connected to the push plate, a guide sleeve is provided on the push plate, the guide sleeve is sleeved on the guide column, a ball is provided on the inner wall of the guide sleeve, the outer wall of the guide sleeve is fixedly connected to the push plate, and when the push rod pushes the push plate, the guide sleeve slides with the guide column through the ball.

[0007] Furthermore, the ejection mechanism also includes a first connecting plate and a second connecting plate, the push rod is plugged into the first connecting plate, one end of the guide column is fixedly connected to the second connecting plate, and the other end of the guide column is in contact with the first connecting plate.

[0008] Furthermore, the guide sleeve and the ball bearing are rotatably connected.

[0009] Furthermore, the guide sleeve and the ball are both made of copper alloy.

[0010] Furthermore, the guide sleeve and the guide column are pre-pressed and assembled.

[0011] The beneficial effects of the utility model are:

[0012] Compared with the prior art, the utility model adopts a guide sleeve inner wall provided with balls, and the material is copper alloy, which replaces the traditional graphite guide sleeve. A large number of balls are arranged inside the guide sleeve, which can withstand a larger rated dynamic load. The guide sleeve and the guide column are pre-pressed and assembled, which can ensure the smooth movement of the push plate, and effectively solves the problem of the push plate movement jamming caused by the heating and sintering of the graphite guide sleeve used in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the initial structural state diagram of the utility model;

[0014] Figure 2 This is a working structure state diagram of the utility model.

[0015] In the figure, 1, push rod; 2, push plate; 3, guide column; 4, guide sleeve; 5, ball; 6, first connecting plate; 7, second connecting plate. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

[0017] like Figure 1-2 As shown,

[0018] A ball-structured ejection mechanism comprises a push rod 1, a push plate 2, a guide column 3 and a guide sleeve 4; the moving end of the push rod 1 is fixedly connected to the push plate 2, a guide sleeve 4 is provided on the push plate 2, the guide sleeve 4 is sleeved on the guide column 3, the inner wall of the guide sleeve 4 is provided with balls 5, the outer wall of the guide sleeve 4 is fixedly connected to the push plate 2, when the push rod 1 pushes the push plate 2, the guide sleeve 4 slides with the guide column 3 through the balls 5; in this embodiment, mainly by providing the balls 5 on the inner wall of the guide sleeve 4, a large number of balls 5 are provided to withstand a large rated dynamic load, thereby ensuring smooth movement of the push plate 2 without causing the push plate 2 to get stuck, thereby improving the use quality of the ejection mechanism.

[0019] As a preferred embodiment; the ejection mechanism also includes a first connecting plate 6 and a second connecting plate 7, the push rod 1 is inserted into the first connecting plate 6, one end of the guide column 3 is fixedly connected to the second connecting plate 7, and the other end of the guide column 3 is abutted against the first connecting plate 6; it can be understood that the push rod 1 can move on the first connecting plate 6, thereby pushing the push plate 2 to move. At the same time, the first connecting plate 6 and the second connecting plate 7 are provided, which can effectively assemble the guide column 3 and ensure the smooth movement of the push plate 2.

[0020] As a preferred embodiment, the guide sleeve 4 and the balls 5 are rotatably connected. It can be understood that the balls 5 can be densely distributed and arranged on the inner wall of the guide sleeve 4, and the number can be adjusted. The guide sleeve 4 and the balls 5 are rotatably connected to enable the balls 5 to slide effectively on the guide column 3.

[0021] As a preferred embodiment, the guide sleeve 4 and the ball 5 are both made of copper alloy; the guide sleeve 4 made of copper alloy has a higher hardness, ensuring a stable connection with the push plate 2.

[0022] As a preferred embodiment, the guide sleeve 4 and the guide column 3 are pre-pressed and assembled to ensure smooth movement of the push plate 2.

[0023] The working principle of the utility model is as follows: the push rod 1 can push the push plate 2 forward under the action of external force, and since the guide sleeve 4 is fixedly connected to the push plate 2, the guide sleeve 4 is rollingly connected to the guide column 3 through the ball 5, so that the push plate 2 can slide smoothly on the guide column 3;

[0024] It is worth mentioning that: the present application is an ejection mechanism, and the technical problem it solves is the problem of jamming caused by heating and sintering of the traditional graphite guide sleeve; and in the entire large ejection structure, there are also structures such as a pry rod, a return spring, and an ejector rod.

[0025] It should be pointed out that the main problems in the prior art are: the guide sleeve used is a graphite guide sleeve, which will constantly rub against the guide pillar, thereby generating heat and sintering, and finally causing the push plate to jam;

[0026] Therefore, through the improvement of the present application, the inner wall of the guide sleeve 4 is provided with balls 5, and the material is copper alloy, which replaces the traditional graphite guide sleeve. The number of balls 5 arranged inside the guide sleeve 4 is large, which can withstand a large rated dynamic load. The guide sleeve 4 and the guide column 3 are pre-pressed and assembled, which can ensure the smooth movement of the push plate 2, and effectively solve the problem of heat and sintering of the graphite guide sleeve in the prior art causing the push plate to jam.

[0027] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A ball-shaped ejection mechanism, characterized in that: It includes a push rod, a push plate, a guide post and a guide sleeve; The moving end of the push rod is fixedly connected to the push plate, a guide sleeve is provided on the push plate, the guide sleeve is sleeved on the guide column, a ball is provided on the inner wall of the guide sleeve, the outer wall of the guide sleeve is fixedly connected to the push plate, and when the push rod pushes the push plate, the guide sleeve slides with the guide column through the ball.

2. The ejection mechanism of a ball structure according to claim 1, characterized in that: The ejection mechanism further includes a first connecting plate and a second connecting plate, the push rod is plugged into the first connecting plate, one end of the guide column is fixedly connected to the second connecting plate, and the other end of the guide column is in contact with the first connecting plate.

3. The ejection mechanism of the ball structure according to claim 2, characterized in that: The guide sleeve and the ball are rotatably connected.

4. The ejection mechanism of the ball structure according to claim 3, characterized in that: The guide sleeve and the ball are both made of copper alloy.

5. The ejection mechanism of the ball structure according to claim 4, characterized in that: The guide sleeve and the guide column are pre-pressed and assembled.

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