Four-column press with protective structure

Abstract

The utility model relates to a four-column press with a protection structure, a protection assembly (20) comprises four vertical plates (21) which are sequentially arranged, and an upper connecting cylinder (22) of each vertical plate (21) and a lower connecting cylinder (23) of the adjacent vertical plate (21) are correspondingly arranged and can be connected through a square rod (25); four vertical plates (21) are arranged on the outer side of a four-column press body (10), corresponding upper connecting cylinders (22) and lower connecting cylinders (23) on every two adjacent vertical plates (21) are connected through square rods (25), so that every two adjacent vertical plates (21) are perpendicularly connected, the four vertical plates (21) are sequentially connected to form a stable square protection structure, and the adjacent vertical plates (21) are prevented from rotating mutually; when the protective assembly (20) is disassembled, the square rod (25) is pulled upwards to be separated from the lower connecting cylinder (23), and then the two adjacent vertical plates (21) can be separated, so that the protective assembly (20) is convenient to disassemble and store, and the occupied space when the protective assembly (20) is not used is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of four-column presses, in particular to a four-column press with a protective structure. Background Art

[0002] As a hydraulic mechanical equipment, the four-column press occupies an important position in industrial production with its unique four-column frame structure. This press uses the solid frame composed of four columns, upper beams and lower beams to convert oil pressure energy into mechanical energy through the transmission of hydraulic oil to achieve a strong pressing force. It is widely used in the pressing and forming of various materials, such as metal, plastic, rubber, wood and powder products. When the four-column press is in use, the material is prone to external rebound in the working area, which poses a danger to production and processing.

[0003] The Chinese utility model patent with the authorization announcement number CN218701619U discloses a four-column press with a protective mechanism, which is formed by welding a first protective mesh plate and two second protective mesh plates to form a protective structure with an opening. When in use, the protective structure is placed outside the four-column press, and the movable mesh plate is connected to the opening to protect the press at four places. However, the above scheme has the disadvantage that: the multi-faceted plates are welded and fixed to form the main body of the protective structure, which is not easy to disassemble for storage and occupies a large space when not in use. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the multi-faceted plates of the existing four-column press with a protective mechanism are welded and fixed to form a protective structure body, which is not convenient to disassemble for storage and occupies a large space when not in use.

[0005] In order to solve the above problems, the utility model provides a four-column press with a protective structure, including a protective assembly arranged on the outside of the four-column press body, the protective assembly including four vertical plates arranged in sequence, upper connecting tubes and lower connecting tubes are respectively provided at both ends of the inner surfaces of the vertical plates, the upper connecting tubes and the lower connecting tubes are both vertically arranged and provided with square holes, a square rod is slidably provided in the square hole of the upper connecting tube, the upper connecting tube of the vertical plate is correspondingly arranged with the lower connecting tube of the adjacent vertical plate and can be connected by the square rod.

[0006] The four-column press with a protective structure provided by the utility model also has the following technical features:

[0007] An upper connecting tube is provided at one end of the outer surface of one of the vertical plates, and a lower connecting tube is correspondingly provided at one end of the outer surface of the adjacent vertical plate.

[0008] The vertical plate is provided with an arc-shaped groove vertically, and the upper connecting tube or the lower connecting tube is arranged in the arc-shaped groove.

[0009] A pull rod is fixed to the upper end of the square rod. A retaining piece is provided at the upper end of the pull rod. A tension spring is sleeved on the pull rod. The upper end of the tension spring is connected to the retaining piece, and the lower end is connected to the upper connecting cylinder.

[0010] A pull ring is provided on the retaining piece.

[0011] An opening is provided in the middle of the vertical plate, and a protective net is provided in the opening.

[0012] Legs are provided at the bottom of the vertical plate, and support pads are provided at the bottoms of the legs.

[0013] The utility model has the following beneficial effects: The four vertical plates are placed outside the four-column press body, and the corresponding upper connecting cylinders and lower connecting cylinders on adjacent two vertical plates are connected through the square rod, so that adjacent two vertical plates are vertically connected, and the four vertical plates are connected in sequence to form a stable square protection structure, avoiding the mutual rotation of adjacent vertical plates; when disassembling the protection component, the square rod is pulled upward to separate it from the lower connecting cylinder, and adjacent two vertical plates can be separated, which is convenient for disassembly and storage, and reduces the occupied space when not in use. Description of the Drawings

[0014] Figure 1 is the front view of the utility model;

[0015] Figure 2 is the axonometric view of the protection component;

[0016] Figure 3 is the axonometric view of the vertical plate;

[0017] Figure 4 is Figure 3 the partial enlarged view of;

[0018] Figure 5 is Figure 2 the motion state change diagram of;

[0019] Figure 6 is Figure 5 the motion state change diagram of;

[0020] Figure 7 is Figure 6 the motion state change diagram of. Detailed Embodiment

[0021] The utility model will be described in detail below with reference to the drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0022] Such as Figures 1 to 7As shown in the figure, the four-column press of the present utility model with a protective structure includes a protective component 20 arranged outside the four-column press body 10. The protective component 20 includes four vertical plates 21 arranged in sequence. At both ends of the inner surface of the vertical plate 21, an upper connecting cylinder 22 and a lower connecting cylinder 23 are respectively provided. The upper connecting cylinder 22 and the lower connecting cylinder 23 are both vertically arranged and are provided with square holes 24. A square rod 25 is slidably arranged in the square hole 24 of the upper connecting cylinder 22. The upper connecting cylinder 22 of the vertical plate 21 corresponds to the lower connecting cylinder 23 of the adjacent vertical plate 21 and can be connected through the square rod 25.

[0023] Place the four vertical plates 21 outside the four-column press body 10, and connect the corresponding upper connecting cylinder 22 and lower connecting cylinder 23 on the adjacent two vertical plates 21 through the square rod 25, so that the adjacent two vertical plates 21 are vertically connected. Connect the four vertical plates 21 in sequence to form a stable square protective structure, avoiding the adjacent vertical plates 21 from rotating relative to each other; when disassembling the protective component 20, pull out the square rod 25 upward to separate it from the lower connecting cylinder 23, and then the adjacent two vertical plates 21 can be separated, which is convenient for disassembly and storage, and reduces the space occupied when not in use.

[0024] Among them, the four-column press body 10 includes an upper beam, a lower beam and four columns arranged between the two; an oil cylinder, an oil tank, an oil pump, pipelines and valves; a workbench driven by the piston rod of the oil cylinder to move up and down; a control system for controlling the pressure, stroke and time of the four-column press, etc. The structure of the four-column press body 10 is prior art and will not be elaborated here.

[0025] Preferably, an upper connecting cylinder 22 is provided at one end of the outer surface of one of the vertical plates 21, and a lower connecting cylinder 23 is correspondingly provided at one end of the outer surface of the adjacent vertical plate 21.

[0026] For the convenience of distinction and description, the four vertical plates 21 are respectively called the first to fourth vertical plates 21. An upper connecting cylinder 22 is provided at one end of the outer surface of the second vertical plate 21, and a lower connecting cylinder 23 is correspondingly provided at one end of the outer surface of the third vertical plate 21; when disassembling the protective component 20, first separate the first vertical plate 21 at the head from the fourth vertical plate 21 at the tail; then separate the square rod 25 at the connection between the first vertical plate 21 and the second vertical plate 21 from the corresponding lower connecting cylinder 23, rotate the first vertical plate 21 and the second vertical plate 21 relative to each other until their inner surfaces are mutually attached, and connect the square rod 25 with the corresponding lower connecting cylinder 23; similarly, rotate the third vertical plate 21 and the fourth vertical plate 21 relative to each other until their inner surfaces are mutually attached, and connect the square rod 25 with the corresponding lower connecting cylinder 23; finally, separate the upper connecting cylinder 22 and the lower connecting cylinder 23 corresponding to the inner surfaces of the third vertical plate 21 and the fourth vertical plate 21, and connect the upper connecting cylinder 22 and the lower connecting cylinder 23 corresponding to the outer surfaces, so as to realize stacking the four vertical plates 21 in sequence without separating all the vertical plates 21, which is convenient for the next expansion and use, and improves work efficiency.

[0027] Preferably, referring to Figure 3 , an arc-shaped groove 26 is vertically formed on the vertical plate 21, and the upper connecting cylinder 22 or the lower connecting cylinder 23 is disposed in the arc-shaped groove 26.

[0028] Preferably, referring to Figure 4 , a pull rod 27 is fixed to the upper end of the square rod 25. A retaining piece 28 is provided at the upper end of the pull rod 27. A tension spring 29 is sleeved on the pull rod 27. The upper end of the tension spring 29 is connected to the retaining piece 28, and the lower end is connected to the upper connecting cylinder 22, so that the square rod 25 can be inserted into the corresponding lower connecting cylinder 23 under the action of the tension spring 29, thereby connecting two adjacent vertical plates 21.

[0029] Preferably, a pull ring 30 is provided on the retaining piece 28.

[0030] Preferably, an opening is provided in the middle of the vertical plate 21, and a protective net is provided in the opening to observe the working condition of the four-column press body 10 through the protective net.

[0031] Of course, the vertical plate 21 can also be made of a whole piece of tempered glass.

[0032] Preferably, legs 11 are provided at the bottom of the vertical plate 21, and support pads 12 are provided at the bottoms of the legs 11.

[0033] Among them, a plurality of legs 11 can be provided, and the support pads 12 are made of a soft material, such as rubber, polyvinyl chloride, etc.

[0034] The working principle of the present invention is as follows:

[0035] For the convenience of distinction and description, as Figure 5 shown, the four vertical plates 21 are respectively referred to as the first to fourth vertical plates 21 from the upper left to the lower right. Upper connecting cylinders 22 and lower connecting cylinders 23 are provided at both ends of the inner surface of the first to fourth vertical plates 21. An upper connecting cylinder 22 is provided at one end of the outer surface of the second vertical plate 21, and a lower connecting cylinder 23 is correspondingly provided at one end of the outer surface of the third vertical plate 21;

[0036] The four vertical plates 21 are placed outside the four-column press body 10, and the corresponding upper connecting cylinders 22 and lower connecting cylinders 23 on the inner surfaces of two adjacent vertical plates 21 are connected by the square rod 25, so that two adjacent vertical plates 21 are vertically connected. The four vertical plates 21 are sequentially connected in the above manner to form a stable square protection structure, as Figure 1 , Figure 2 shown. At the same time, the mutual rotation of adjacent vertical plates 21 can be avoided, and the working condition of the four-column press body 10 can also be observed through the protective net on the vertical plate 21;

[0037] When disassembling the protection component 20, it is controlled whether the adjacent two vertical plates 21 are connected by controlling whether the square rod 25 is connected to the lower connecting cylinder 23; starting from the state shown by Figure 2 , first separate the first vertical plate 21 from the fourth vertical plate 21, control the square rod 25 on the inner surface of the second vertical plate 21 and the third vertical plate 21 to disengage from the corresponding lower connecting cylinder 23, so that the second vertical plate 21 and the third vertical plate 21 are temporarily separated, and the second vertical plate 21 and the third vertical plate 21 are first rotated 90° relative to each other to the state shown by Figure 5 , then rotated 180° relative to each other to the state shown by Figure 6 , and then control the square rod 25 on the outer surface of the second vertical plate 21 and the third vertical plate 21 to be connected to the corresponding lower connecting cylinder 23, so that the second vertical plate 21 and the third vertical plate 21 are connected; then temporarily separate the first vertical plate 21 and the second vertical plate 21, and rotate them relative to each other until their inner surfaces are in contact with each other, and then connect the first vertical plate 21 and the second vertical plate 21 through the square rod 25; similarly, after temporarily separating the third vertical plate 21 and the fourth vertical plate 21 and rotating them relative to each other until their inner surfaces are in contact with each other, connect the third vertical plate 21 and the fourth vertical plate 21 through the square rod 25 to achieve the stacked state shown by Figure 7 ; thus, the four vertical plates 21 can be stacked in sequence without separating and storing all the vertical plates 21, which is convenient for disassembly for storage, reduces the space occupied when not in use, and is convenient for the next deployment and use, improving work efficiency.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A four-column press with a protective structure, characterized in that, It includes a protection component (20) arranged outside the four-column press body (10). The protection component (20) includes four vertically arranged plates (21) in sequence. At both ends of the inner surface of the plate (21), an upper connecting cylinder (22) and a lower connecting cylinder (23) are respectively arranged. The upper connecting cylinder (22) and the lower connecting cylinder (23) are both vertically arranged and are provided with square holes (24). A square rod (25) is slidably arranged in the square hole (24) of the upper connecting cylinder (22). The upper connecting cylinder (22) of the plate (21) and the lower connecting cylinder (23) of the adjacent plate (21) are correspondingly arranged and can be connected through the square rod (25).

2. The four-column press with a protection structure according to claim 1, characterized in that, One end of the outer surface of one of the plates (21) is provided with an upper connecting cylinder (22), and one end of the outer surface of the adjacent plate (21) is correspondingly provided with a lower connecting cylinder (23).

3. The four-column press with a protective structure according to claim 1, characterized in that, An arc-shaped groove (26) is vertically opened on the plate (21), and the upper connecting cylinder (22) or the lower connecting cylinder (23) is arranged in the arc-shaped groove (26).

4. The four-column press with a protection structure according to claim 1, characterized in that, A pull rod (27) is fixed at the upper end of the square rod (25). A stop piece (28) is arranged at the upper end of the pull rod (27). A tension spring (29) is sleeved on the pull rod (27). The upper end of the tension spring (29) is connected to the stop piece (28), and the lower end is connected to the upper connecting cylinder (22).

5. The four-column press with a protection structure according to claim 4, characterized in that, A pull ring (30) is arranged on the stop piece (28).

6. The four-column press with a protection structure according to claim 1, characterized in that, An opening is arranged in the middle of the plate (21), and a protection net is arranged in the opening.

7. The four-column press with a protection structure according to claim 1, characterized in that, The bottom of the plate (21) is provided with a leg (11), and the bottom of the leg (11) is provided with a support pad (12).

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