Material pressing mechanism for feeding of shearing machine

Abstract

The material pressing mechanism comprises a main pressing plate, an auxiliary pressing plate and a connecting rod, the connecting rod penetrates through the main pressing plate and the auxiliary pressing plate, a first steel ball and a second steel ball are installed on the connecting rod, the first steel ball is located on the side, away from the auxiliary pressing plate, of the main pressing plate, and the second steel ball is located on the side, away from the main pressing plate, of the auxiliary pressing plate; the top of the auxiliary pressing plate is rotationally connected with a connector through a bearing. The contact face of the main pressing plate and the auxiliary pressing plate is an inclined face. According to the material pressing mechanism, through the arrangement of the steel balls and the inclined faces of the pressing plates, the pressing plates of the material pressing mechanism can be adjusted according to the flatness of the plates, and the plates are well pressed; a first through hole is formed in the middle of the first horizontal part, a first arc-shaped surface matched with the spherical surface of the second steel ball is arranged on the edge of the first through hole, the second steel ball makes contact with the plate, the second steel ball acts on the first arc-shaped surface of the main pressing plate, the second steel ball acts on the main pressing plate, and the plate is well pressed through the main pressing plate.

Description

Technical Field

[0001] The present invention relates to the technical field of shearing machines, and specifically to a pressure-feeding mechanism for a shearing machine during feeding. Background Art

[0002] A plate shearing machine is a machine that uses one blade to reciprocate linearly relative to another blade to shear a plate. It relies on the moving upper blade and the fixed lower blade, with a reasonable blade clearance, to apply a shearing force to metal plates of various thicknesses, causing the plates to break and separate according to the required dimensions. The plate shearing machine belongs to one of the forging machinery, and its main function is in the metal processing industry. The plate shearing machine is a relatively widely used shearing device in machining, and it can shear steel plates of various thicknesses. Commonly used plate shearing machines are divided into three types: flat shearing, rolling shearing, and vibrating shearing.

[0003] During the process of shearing and feeding the plate, when the plate is uneven, it is necessary to perform a pressure-feeding treatment. How to achieve good pressure-feeding is the technical problem we need to solve. For this reason, we propose a pressure-feeding mechanism for a shearing machine during feeding. Summary of the Invention

[0004] The purpose of the present invention is to provide a pressure-feeding mechanism for a shearing machine during feeding to solve the problems in the prior art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A pressure-feeding mechanism for a shearing machine during feeding, including a main pressure plate, an auxiliary pressure plate, and a connecting rod. The connecting rod penetrates through the main pressure plate and the auxiliary pressure plate. A first steel ball and a second steel ball are installed on the connecting rod. The first steel ball is located on the side of the main pressure plate away from the auxiliary pressure plate, and the second steel ball is located on the side of the auxiliary pressure plate away from the main pressure plate. The top of the auxiliary pressure plate is rotatably connected through a bearing and a connecting head. The contact surface between the main pressure plate and the auxiliary pressure plate is an inclined surface.

[0006] Preferably, the main pressure plate includes a first horizontal part, a first inclined part, a second horizontal part, and a first pressing part. The first horizontal part, the first inclined part, the second horizontal part, and the first pressing part are arranged in sequence from the inside to the outside. A first inclined surface is provided on the upper part of the first pressing part.

[0007] The auxiliary pressure plate includes a third horizontal part, a second inclined part, a bearing installation part, and a second pressing part. The third horizontal part, the second inclined part, the bearing installation part, and the second pressing part are arranged in sequence from the inside to the outside. A second inclined surface that cooperates with the first inclined surface is provided at the bottom of the second pressing part.

[0008] Preferably, a plurality of second grooves are equidistantly opened at the bottom of the first pressing part, and adjacent second grooves are connected through a first groove.

[0009] Preferably, a first through hole is formed in the middle of the first horizontal portion, and a first arc surface that is spherically engaged with the second steel ball is provided at the edge of the first through hole.

[0010] Preferably, a second through hole is formed in the middle of the second horizontal portion, and a second arc surface that is spherically engaged with the first steel ball is provided at the edge of the second through hole.

[0011] Preferably, the first steel ball and the connecting rod are connected by a thread, and the second steel ball and the connecting rod are connected by a thread.

[0012] Preferably, both the main pressing plate and the auxiliary pressing plate are made of rubber.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The first steel ball and the second steel ball are installed on the connecting rod. The first steel ball and the connecting rod are connected by a thread, and the second steel ball and the connecting rod are connected by a thread. The first steel ball is located on the side of the main pressing plate away from the auxiliary pressing plate, and the second steel ball is located on the side of the auxiliary pressing plate away from the main pressing plate. The top of the auxiliary pressing plate is rotationally connected to the connecting head through a bearing. The contact surface between the main pressing plate and the auxiliary pressing plate is an inclined surface. Through the arrangement of the steel balls and the inclined surface of the pressing plate, the pressing plate of the material pressing mechanism can be adjusted according to the flatness of the plate, and the plate can be well pressed.

[0015] 2. A first through hole is formed in the middle of the first horizontal portion, and a first arc surface that is spherically engaged with the second steel ball is provided at the edge of the first through hole. The second steel ball contacts the plate, and the second steel ball acts on the first arc surface of the main pressing plate, so that the second steel ball acts on the main pressing plate, and the plate can be well pressed through the main pressing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the present invention;

[0018] Figure 2 is a bottom view of the present invention;

[0019] Figure 3 is the present invention Figure 2 is a sectional view taken along the A-A direction;

[0020] Figure 4 is an exploded view of the present invention;

[0021] Figure 5 is a schematic structural diagram of the main pressing plate of the present invention;

[0022] Figure 6 It is a schematic structural view of the bottom perspective of the main pressing plate of the present invention;

[0023] Figure 7 It is a cross-sectional view of the main pressing plate of the present invention;

[0024] Figure 8 It is a schematic structural view of the auxiliary pressing plate of the present invention;

[0025] Figure 9 It is a cross-sectional view of the auxiliary pressing plate of the present invention.

[0026] In the figure: 1, main pressing plate; 2, auxiliary pressing plate; 3, connecting head; 4, bearing; 5, connecting rod; 6, first steel ball; 7, second steel ball; 11, first horizontal part; 12, first inclined part; 13, second horizontal part; 14, first pressing part; 15, first groove; 16, second groove; 17, first inclined surface; 18, first arc surface; 21, third horizontal part; 22, second inclined part; 23, bearing mounting part; 24, second pressing part; 25, second arc surface; 26, second inclined surface. Specific Embodiments

[0027] To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0028] Please refer to Figures 1-9 , in an embodiment of the present invention, a pressing mechanism for feeding a shearing machine includes a main pressing plate 1, an auxiliary pressing plate 2 and a connecting rod 5. Both the main pressing plate 1 and the auxiliary pressing plate 2 are made of rubber. The connecting rod 5 penetrates through the main pressing plate 1 and the auxiliary pressing plate 2. A first steel ball 6 and a second steel ball 7 are installed on the connecting rod 5. The first steel ball 6 is connected to the connecting rod 5 by a thread, and the second steel ball 7 is connected to the connecting rod 5 by a thread; the first steel ball 6 is located on the side of the main pressing plate 1 away from the auxiliary pressing plate 2, and the second steel ball 7 is located on the side of the auxiliary pressing plate 2 away from the main pressing plate 1; the top of the auxiliary pressing plate 2 is rotatably connected to the connecting head 3 through a bearing 4; the contact surface between the main pressing plate 1 and the auxiliary pressing plate 2 is an inclined surface. Through the setting of the steel ball and the inclined surface of the pressing plate, the pressing plate of the pressing mechanism can be adjusted according to the flatness of the plate to press the plate well.

[0029] The main pressing plate 1 includes a first horizontal portion 11, a first inclined portion 12, a second horizontal portion 13, and a first pressing portion 14. The first horizontal portion 11, the first inclined portion 12, the second horizontal portion 13, and the first pressing portion 14 are arranged in sequence from inside to outside. A first inclined surface 17 is provided on the upper part of the first pressing portion 14; a plurality of second grooves 16 are equidistantly formed at the bottom of the first pressing portion 14, and adjacent second grooves 16 are communicated through a first groove 15; a first through hole is formed in the middle of the first horizontal portion 11, and a first arc surface 18 that is spherically matched with the second steel ball 7 is provided at the edge of the first through hole. The second steel ball 7 contacts the plate, and the second steel ball 7 acts on the first arc surface 18 of the main pressing plate, so that the second steel ball 7 acts on the main pressing plate, and good blank holding of the plate is achieved through the main pressing plate.

[0030] The auxiliary pressing plate 2 includes a third horizontal portion 21, a second inclined portion 22, a bearing mounting portion 23, and a second pressing portion 24. The third horizontal portion 21, the second inclined portion 22, the bearing mounting portion 23, and the second pressing portion 24 are arranged in sequence from inside to outside. A second inclined surface 26 that is matched with the first inclined surface 17 is provided at the bottom of the second pressing portion 24; a second through hole is formed in the middle of the second horizontal portion 13, and a second arc surface 25 that is spherically matched with the first steel ball 6 is provided at the edge of the second through hole.

[0031] The working principle of the present invention is as follows: The first steel ball 6 and the second steel ball 7 are installed on the connecting rod 5. The first steel ball 6 is threadedly connected to the connecting rod 5, and the second steel ball 7 is threadedly connected to the connecting rod 5; the first steel ball 6 is located on the side of the main pressing plate 1 away from the auxiliary pressing plate 2, and the second steel ball 7 is located on the side of the auxiliary pressing plate 2 away from the main pressing plate 1; the top of the auxiliary pressing plate 2 is rotatably connected to the connecting head 3 through a bearing 4; the contact surfaces of the main pressing plate 1 and the auxiliary pressing plate 2 are inclined surfaces. Through the arrangement of the steel balls and the inclined surfaces of the pressing plates, the pressing plates of the blank holding mechanism can be adjusted according to the flatness of the plate to achieve good blank holding of the plate; a first arc surface 18 that is spherically matched with the second steel ball 7 is provided at the edge of the first through hole. The second steel ball 7 contacts the plate, and the second steel ball 7 acts on the first arc surface 18 of the main pressing plate, so that the second steel ball 7 acts on the main pressing plate, and good blank holding of the plate is achieved through the main pressing plate.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material pressing mechanism for feeding a shearing machine, characterized in that: It comprises a main pressure plate (1), an auxiliary pressure plate (2) and a connecting rod (5), wherein the connecting rod (5) passes through the main pressure plate (1) and the auxiliary pressure plate (2), and a first steel ball (6) and a second steel ball (7) are installed on the connecting rod (5), wherein the first steel ball (6) is located on the side of the main pressure plate (1) away from the auxiliary pressure plate (2), and the second steel ball (7) is located on the side of the auxiliary pressure plate (2) away from the main pressure plate (1); the top of the auxiliary pressure plate (2) is rotatably connected via a bearing (4) and a connecting head (3); and the contact surface between the main pressure plate (1) and the auxiliary pressure plate (2) is an inclined surface.

2. A material pressing mechanism for feeding a shearing machine according to claim 1, characterized in that: The main pressure plate (1) comprises a first horizontal portion (11), a first inclined portion (12), a second horizontal portion (13) and a first pressing portion (14); the first horizontal portion (11), the first inclined portion (12), the second horizontal portion (13) and the first pressing portion (14) are arranged in sequence from the inside to the outside; a first inclined surface (17) is arranged on the upper portion of the first pressing portion (14); The auxiliary pressure plate (2) includes a third horizontal portion (21), a second inclined portion (22), a bearing mounting portion (23) and a second pressing portion (24); the third horizontal portion (21), the second inclined portion (22), the bearing mounting portion (23) and the second pressing portion (24) are arranged in sequence from the inside to the outside; and a second inclined surface (26) matching the first inclined surface (17) is arranged at the bottom of the second pressing portion (24).

3. A material pressing mechanism for feeding a shearing machine according to claim 2, characterized in that: A plurality of second grooves (16) are provided at equal intervals at the bottom of the first pressing portion (14), and adjacent second grooves (16) are connected via the first grooves (15).

4. A material pressing mechanism for feeding a shearing machine according to claim 2, characterized in that: A first through hole is provided in the middle of the first horizontal portion (11), and a first arcuate surface (18) is provided at the edge of the first through hole to match the spherical surface of the second steel ball (7).

5. A material pressing mechanism for feeding a shearing machine according to claim 2, characterized in that: A second through hole is provided in the middle of the second horizontal portion (13), and a second arc surface (25) is provided at the edge of the second through hole to match the spherical surface of the first steel ball (6).

6. A material pressing mechanism for feeding a shearing machine according to claim 1, characterized in that: The first steel ball (6) and the connecting rod (5) are connected via a thread, and the second steel ball (7) and the connecting rod (5) are connected via a thread.

7. A material pressing mechanism for feeding a shearing machine according to claim 1, characterized in that: The main pressing plate (1) and the auxiliary pressing plate (2) are both rubber structures.

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