Auxiliary feeding mechanism of four-column hydraulic press

Abstract

The utility model relates to the technical field of hydraulic machines, and discloses an auxiliary feeding mechanism of a four-column hydraulic machine, which comprises a bottom plate and an upper plate, the upper plate is transversely arranged above the bottom plate, the upper plate is supported above the bottom plate through supporting columns at four corners of the bottom of the upper plate, a base is transversely arranged above the bottom plate, and transverse plates are transversely fixed on side edges of four corners of the base. A vertical plate is vertically fixed above the outer side of the transverse plate, an electric push rod is installed on the outer surface of the vertical plate, a supporting plate is vertically fixed to the extending end of the electric push rod, a main hydraulic cylinder is installed on the surface of the upper plate, and a pressing plate is transversely fixed to the tail end of the bottom of the main hydraulic cylinder. According to the technical scheme, the transversely-arranged electric push rod is installed on the side edge of the base, the supporting plate capable of being driven to move is fixed to the tail end of the electric push rod, the supporting plate is arranged between the pressing plate and the base in a supporting mode during feeding every time, and if the pressing plate is accidentally driven to be lowered during feeding, the supporting plate can be driven to move. And the support plate is supported and propped between the pressing plate and the base, so that the hands of an operator are prevented from being injured.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic presses, in particular to an auxiliary feeding mechanism of a four-column hydraulic press. Background Art

[0002] The four-column hydraulic press is a mechanical equipment that uses the static pressure of hydraulic oil delivered by an oil pump to process metal, plastic, rubber, wood, powder and other products. After the four-column hydraulic press presses the workpiece, it raises the pressure plate to a certain height, and then unloads and reloads the material through manual operation.

[0003] In order to avoid the risk of the press plate being lowered due to equipment failure during loading and unloading, the prior art sets up a photoelectric sensor to detect whether there is loading and unloading behavior to avoid dangerous operations. However, when the sensor fails, it cannot guarantee accurate detection of loading and unloading operations, which poses a risk. Therefore, we propose an auxiliary feeding mechanism for a four-column hydraulic press. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary feeding mechanism for a four-column hydraulic press, by installing a transversely arranged electric push rod on the side of the base, and fixing a support plate that can be driven to move at the end of the electric push rod. During each feeding, the support plate is supported and placed between the pressure plate and the base. If the pressure plate is accidentally driven to lower its height during feeding, the support plate will support and contact between the pressure plate and the base to avoid damage to the operator's hands, thereby solving the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary feeding mechanism of a four-column hydraulic press, comprising a bottom plate and an upper plate, the upper plate being laterally arranged above the bottom plate, and the upper plate being placed above the bottom plate through pillars at the four corners of its bottom; a base is laterally arranged above the bottom plate, the pillars can slide through the four corners of the base, and the four corner sides of the base are laterally fixed with a horizontal plate, a vertical plate is vertically fixed above the outer side of the horizontal plate, an electric push rod is installed on the outer surface of the vertical plate, and a support plate is vertically fixed to the extended end of the electric push rod; a main hydraulic cylinder is installed on the surface of the upper plate, a pressure plate is laterally fixed to the bottom end of the main hydraulic cylinder, the pillars can vertically slide through the four corners of the pressure plate, and auxiliary hydraulic cylinders are vertically installed at the four corners of the bottom plate surface, the top support of the auxiliary hydraulic cylinder is placed at the bottom of the base, and a plurality of springs are vertically and evenly supported between the bottom plate and the base.

[0006] By adopting the above technical solution, when adding raw materials or removing hydraulic parts, the support plate is pushed out and placed between the base and the pressure plate. When feeding or taking materials, if the pressure plate is accidentally driven to lower the height, the support plate will be supported between the pressure plate and the base to avoid hurting the operator's hands and play a protective role.

[0007] Optionally, grooves are provided on the bottom of the base above the spring and on the surface of the bottom plate below the spring, and the spring is supported between the springs of the base and the bottom plate.

[0008] By adopting the above technical solution, the upper and lower parts of the spring are supported on the surfaces of the base and the bottom plate through the grooves, which has a positioning effect on the spring.

[0009] Optionally, four corners of the surfaces of the base and the pressure plate are provided with through sliding holes, and the pillars can slide through the base and the pressure plate through the sliding holes.

[0010] Optionally, a support groove is provided on the bottom surface of the base directly above the auxiliary hydraulic cylinder, and the upper part of the auxiliary hydraulic cylinder is supported by the support groove and placed on the bottom of the base.

[0011] Optionally, the support plates at the four corners of the base have the same height, and the pressure plate and the base are parallel to each other.

[0012] By adopting the above technical solution, when the pressure plate is accidentally driven to lower its height and supported on the support plate, it can be supported on the four support plates to ensure uniform force.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The technical solution of the present application is to install a transversely arranged electric push rod on the side of the base, and a support plate that can be driven to move is fixed at the end of the electric push rod. During each feeding, the support plate is supported and placed between the pressure plate and the base. If the pressure plate is accidentally driven to lower its height during feeding, the support plate will support and contact between the pressure plate and the base to avoid damage to the operator's hands.

[0015] 2. The technical solution of the present application enables the base to be stably supported by a secondary hydraulic cylinder, and multiple springs are supported between the bottom plate and the base. When feeding and discharging materials, the secondary hydraulic cylinder no longer supports the base. When the pressure plate support is pressed on the support plate, the base compression spring will be pressed down and the height will be lowered to avoid indentations on the surface of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the auxiliary feeding mechanism of the four-column hydraulic press of the utility model;

[0018] Figure 2 The utility model is a schematic diagram of the support structure between the base and the bottom plate of the auxiliary feeding mechanism of the four-column hydraulic press.

[0019] In the figure: 1, bottom plate; 11, support; 2, upper plate; 21, main hydraulic cylinder; 3, base; 4, pressure plate; 5, sliding hole; 6, horizontal plate; 61, vertical plate; 611, electric push rod; 612, support plate; 7, groove; 71, spring; 8, auxiliary hydraulic cylinder; 81, support groove. DETAILED DESCRIPTION

[0020] See also Figure 1-2 The utility model provides a technical solution: an auxiliary feeding mechanism of a four-column hydraulic press, comprising a bottom plate 1 and an upper plate 2, the upper plate 2 is horizontally arranged above the bottom plate 1, and the four corners between the upper plate 2 and the bottom plate 1 are vertically supported and fixed with pillars 11, and the heights of the pillars 11 are the same, so that the upper plate 2 is supported and placed above the bottom plate 1 through the support of the pillars 11 in parallel, and a main hydraulic cylinder 21 is vertically installed in the middle position of the surface of the upper plate 2, and the extended end of the main hydraulic cylinder 21 passes through the bottom of the upper plate 2, and a pressing plate 4 is horizontally fixed to the bottom of the main hydraulic cylinder 21, and the four corners of the surface of the pressing plate 4 are provided with through sliding holes 5, and the pillars 11 can slidably penetrate the pressing plate 4 through the sliding holes 5, so that the pressing plate 4 can play a guiding role when being driven to rise and fall.

[0021] A base 3 is arranged horizontally above the bottom plate 1, and a pressing plate 4 is located above the base 3. Auxiliary hydraulic cylinders 8 are vertically installed at the four corners of the bottom plate 1 surface. A support groove 81 is opened on the bottom surface of the base 3 just above the auxiliary hydraulic cylinder 8, and the upper part of the auxiliary hydraulic cylinder 8 is supported by the support groove 81 and placed at the bottom of the base 3 to achieve horizontal stable support for the base 3. A horizontal plate 6 is horizontally fixed to the sides of the four corners of the base 3, and a vertical plate 61 is vertically fixed above the outer side of the horizontal plate 6. An electric push rod 611 is installed on the outer surface of the vertical plate 61, and a support plate 612 is vertically fixed to the protruding end of the electric push rod 611. The support plates 612 at the four corners of the base 3 are of the same height, and the pressing plate 4 and the base 3 are parallel to each other. When feeding and taking materials, the support plate 612 is pushed out to between the pressing plate 4 and the base 3. When the pressing plate 4 is accidentally driven to lower its height, the support plate 612 will be supported between the base 3 and the pressing plate 4 to prevent the pressing plate 4 from continuing to lower its height and injuring the operator's hands.

[0022] There are multiple springs 71 vertically and evenly supported between the bottom plate 1 and the base 3. Grooves 7 are provided on the bottom of the base 3 above the spring 71 and the surface of the bottom plate 1 below the spring 71. The spring 71 is supported between the base 3 and the spring 71 of the bottom plate 1, and through sliding holes 5 are provided at the four corners of the surface of the base 3. The support 11 can slide through the base 3 through the sliding holes 5. When feeding and removing materials, the auxiliary hydraulic cylinder 8 is lowered and no longer supports the base 3. When the pressure transmitted downward by the support plate 612 acts on the surface of the base 3, it will compress the spring 71 and lower it under the guidance of the support plate 11, so as to avoid the support plate 612 from leaving indentations on the surface of the base 3.

[0023] When in use, the mold support for hydraulic processing is fixed on the surface of the base 3, the main hydraulic cylinder 21 and the auxiliary hydraulic cylinder 8 are connected to the hydraulic station, the electric push rod 611 is connected to the industrial computer and powered, and when adding raw materials, the electric push rod 611 is controlled to push out the support plate 612 so that the support plate 612 is pushed between the base 3 and the pressure plate 4, and the auxiliary hydraulic cylinder 8 is controlled to lower the height without conflicting with the support in the support groove 81. Only when it is observed that the support plate 612 has been placed between the pressure plate 4 and the base 3, the feed is placed. During this process, even if the pressure plate 4 is accidentally driven to lower its height, it will first contact the upper surface of the support plate 612 and lower its height to avoid contact with the operator's hand and cause When the downward pressure force is transmitted to the base 3, the base 3 will be lowered and the spring 71 will be compressed, which can avoid generating a large pressure on the surface of the base 3 and causing indentations. After the raw materials are placed, the electric push rod 611 is controlled to drive the support plate 612 to reset and move out to the outside between the pressure plate 4 and the base 3. At the same time, the auxiliary hydraulic cylinder 8 is raised to a height and supported at the bottom of the support groove 81 to achieve stable support for the base 3. After that, the main hydraulic cylinder 21 can be controlled to drive the pressure plate 4 to lower the height, thereby performing hydraulic processing. After the processing is completed, the pressure plate 4 is controlled to rise again, and then the electric push rod 611 and the auxiliary hydraulic cylinder 8 can be controlled again to perform unloading and re-discharging operations.

Claims

1. An auxiliary feeding mechanism of a four-column hydraulic press, comprising a bottom plate (1) and an upper plate (2), characterized in that: The upper plate (2) is arranged horizontally above the bottom plate (1), and the upper plate (2) is supported by pillars (11) at the four corners of the bottom and is placed above the bottom plate (1); A base (3) is transversely arranged above the bottom plate (1), and the pillars (11) can slide through the four corners of the base (3), and the four corner sides of the base (3) are transversely fixed with transverse plates (6), and a vertical plate (61) is vertically fixed above the outer side of the transverse plate (6), and an electric push rod (611) is installed on the outer surface of the vertical plate (61), and a support plate (612) is vertically fixed to the extended end of the electric push rod (611); A main hydraulic cylinder (21) is installed on the surface of the upper plate (2), a pressure plate (4) is laterally fixed to the bottom end of the main hydraulic cylinder (21), a support (11) is vertically slidable through the four corners of the pressure plate (4), and auxiliary hydraulic cylinders (8) are vertically installed at the four corners of the surface of the bottom plate (1), the top support of the auxiliary hydraulic cylinder (8) is placed at the bottom of the base (3), and a plurality of springs (71) are vertically and evenly supported between the bottom plate (1) and the base (3).

2. The auxiliary feeding mechanism of a four-column hydraulic press according to claim 1, characterized in that: The bottom of the base (3) above the spring (71) and the surface of the bottom plate (1) below the spring (71) are both provided with a groove (7), and the spring (71) is supported between the base (3) and the spring (71) of the bottom plate (1).

3. The auxiliary feeding mechanism of a four-column hydraulic press according to claim 1, characterized in that: The four corners of the surface of the base (3) and the pressing plate (4) are provided with through sliding holes (5), and the support (11) can slide through the base (3) and the pressing plate (4) through the sliding holes (5).

4. The auxiliary feeding mechanism of a four-column hydraulic press according to claim 1, characterized in that: A support groove (81) is provided on the bottom surface of the base (3) directly above the auxiliary hydraulic cylinder (8), and the upper part of the auxiliary hydraulic cylinder (8) is supported on the bottom of the base (3) by the support groove (81).

5. The auxiliary feeding mechanism of a four-column hydraulic press according to claim 1, characterized in that: The support plates (612) at the four corners of the base (3) have the same height, and the pressing plate (4) and the base (3) are parallel to each other.

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