Pneumatic precise plate shearing machine suitable for small-sized shearing of precise steel plates

Abstract

The utility model relates to the technical field of pneumatic precise plate shearing machines, in particular to a pneumatic precise plate shearing machine suitable for small-sized shearing of precise steel plates, which comprises a plate shearing workbench, a rack is welded above the plate shearing workbench, a protective cover is mounted at the rear end of the rack, and a storage box is movably arranged below the protective cover. A material pushing lead screw is installed in the protective cover through a connecting shaft, a lead screw connecting sleeve is installed outside the material pushing lead screw through a lead screw nut, the lead screw connecting sleeve is of a hollow structure, a material pushing plate is connected to the tail end of the lead screw connecting sleeve, and a telescopic plate is arranged in the material pushing plate. A connecting spring is arranged at the connecting position of the telescopic plate and the material pushing plate. According to the plate shearing machine, the protective cover capable of covering is arranged at the rear end of the machine frame, even if workpieces fly out during plate shearing of the small-size workpieces, the flying-out workpieces can be blocked by the protective cover and enter the material storage box along the protective cover to be stored, and workers in operation are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of traditional Chinese medicine filtration, in particular to a pneumatic precision shearing machine suitable for shearing small precision steel plates. Background Art

[0002] The shearing machine uses a moving upper blade and a fixed lower blade, with a reasonable blade gap, to apply shear force to metal plates of various thicknesses, so that the plates are broken and separated according to the required size.

[0003] The patent specification with the announcement number CN203109331U discloses a pneumatic shearing machine, in which a column is provided on each side of a fixed base, and a cylinder is installed on the top of the two columns through a fixed crossbeam. The piston rod in the cylinder is equipped with an upper cutter through a movable crossbeam mounted on the columns on both sides, and the installed upper cutter and the lower cutter fixed on the base form a matching shearing structure. When in use, the movable beam can be quickly and powerfully reciprocated up and down through the cylinder, thereby driving the upper cutter and the lower cutter to form an excellent shearing knife. Since the movable beam is directly mounted on the column to form a vertical upper and lower corresponding relationship with the lower cutter, the shearing accuracy is high. In addition, the cylinder is used as the shearing power source, and the shearing is fast and sensitive. The overall structure of the utility model is scientific and simple, and it is particularly suitable for use as a small shearing precision steel plate material processing.

[0004] However, in the implementation of relevant technologies, it was found that the pneumatic shearing machine of the above design has the following problems: when the pneumatic shearing machine is shearing small-sized workpieces, the sheared material is easily separated from the pneumatic shearing machine processing table due to the force after it breaks, and the flying sheared material is likely to cause injuries to workers. In view of this, a pneumatic precision shearing machine suitable for shearing small precision steel plates is provided to overcome the above defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a pneumatic precision shearing machine suitable for shearing small precision steel plates.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pneumatic precision shearing machine suitable for shearing small precision steel plates, including a shearing workbench, a frame welded on the top of the shearing workbench, a shearing cylinder fixedly arranged inside the frame, and a shearing blade on the shearing plate is connected to the telescopic end of the shearing cylinder, the telescopic end of the shearing cylinder can drive the shearing blade to move downward, and cooperate with the shearing lower blade below the shearing blade to shear the workpiece, a protective cover is installed at the rear end of the frame, and a material storage box is movably arranged below the protective cover, and the interior of the protective cover is through A push screw is installed through the connecting shaft, and a screw connecting sleeve is installed on the outside of the push screw through a screw nut. The screw connecting sleeve is a hollow structure. The end of the screw connecting sleeve is connected to a push plate, and a telescopic plate is provided inside the push plate. A connecting spring is provided at the connection between the telescopic plate and the push plate, and a connecting electromagnet is provided between the connecting springs. A protective cover covers the rear end of the entire frame. Even when shearing small-sized workpieces, the workpiece will be blocked by the protective cover if it flies out, and enter the storage box for storage along the protective cover to protect the workers.

[0007] As a further description of the above technical solution: the push plate is a hollow structure, and an iron block that is magnetically attracted to the connecting electromagnet is welded inside the push plate. The iron block is located above the telescopic plate. When the connecting electromagnet is energized, the telescopic plate can be driven to move upward and attract the iron block, and the workpiece can be smoothly sheared through the telescopic plate.

[0008] As a further description of the above technical solution: the telescopic plate is lifted and lowered in the push plate through a connecting spring, and the cross-section of the telescopic plate is an isosceles triangle structure. After the power to the connecting electromagnet is cut off, the connecting spring extends outward, and the elastic action of the connecting spring is used to push the telescopic plate downward. Since the telescopic plate can move back and forth on the shearing workbench, it is convenient to sweep the workpiece on the shearing workbench into the storage box.

[0009] As a further description of the above technical solution: a screw motor is fixedly installed on one side of the protective cover by external bolts, and the power output end of the screw motor is connected to the push screw, and the screw motor can drive the push screw to rotate.

[0010] As a further description of the above technical solution: the push plate moves back and forth at the front end of the protective cover through the screw connecting sleeve and the push screw. The push plate can move backward under the action of the screw connecting sleeve and the push screw to sweep the workpiece into the storage box.

[0011] As a further description of the above technical solution: limit sliders are fixedly welded on the left and right sides of the push plate, and a limit slot is provided at the connection between the limit slider and the frame. When the push plate moves in the frame, it can be limited by the limit slider and the limit slot.

[0012] As a further description of the above technical solution: a number of equidistant and evenly distributed clamping cylinders are arranged at the bottom of the frame, and a buffer spring is arranged on the outer sleeve of the telescopic end of the clamping cylinder, and a rubber pad is connected below the buffer spring. The buffer spring can play a buffering role when the clamping cylinder is telescoped, and the clamping cylinder is used to push the rubber pad to clamp the workpiece to be processed.

[0013] The utility model has the following beneficial effects:

[0014] The utility model designs a pneumatic precision shearing machine suitable for shearing small precision steel plates. By arranging a coverable protective cover at the rear end of the frame, even if the workpiece flies out when shearing a small-sized workpiece, the flying workpiece will be blocked by the protective cover and enter the storage box for storage along the protective cover, thereby protecting the workers.

[0015] The utility model is a pneumatic precision shearing machine suitable for shearing small precision steel plates. A push plate that can move forward and backward is arranged on a protective cover. The push plate can move backward under the action of a screw connecting sleeve and a push screw to sweep the workpiece into a storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the partial structure of the protective cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the partial installation structure of the push plate of the utility model;

[0019] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Shearing table; 2. Storage box; 3. Protective cover; 4. Rubber pad; 5. Buffer spring; 6. Clamping cylinder; 7. Frame; 8. Pushing screw; 9. Screw connecting sleeve; 10. Pushing plate; 11. Telescopic plate; 12. Limiting slider; 13. Connecting spring; 14. Connecting electromagnet. DETAILED DESCRIPTION

[0022] Reference Figure 1-4The utility model provides a pneumatic precision shearing machine suitable for small-scale shearing of precision steel plates: it includes a shearing workbench 1, a frame 7 is welded above the shearing workbench 1, a shearing cylinder is fixedly arranged inside the frame 7, and the telescopic end of the shearing cylinder is connected to the shearing blade, the telescopic end of the shearing cylinder can drive the shearing blade to move downward, and cooperate with the shearing lower blade below the shearing blade to shear the workpiece, a protective cover 3 is installed at the rear end of the frame 7, and a material storage box 2 is movably arranged below the protective cover 3, a push screw 8 is installed inside the protective cover 3 through a connecting shaft, and the push screw A screw connecting sleeve 9 is installed on the outside of the rod 8 through a screw nut. The screw connecting sleeve 9 is a hollow structure. A push plate 10 is connected to the end of the screw connecting sleeve 9, and a telescopic plate 11 is arranged inside the push plate 10. A connecting spring 13 is arranged at the connection between the telescopic plate 11 and the push plate 10, and a connecting electromagnet 14 is arranged between the connecting springs 13. The protective cover 3 covers the rear end of the entire frame 7. Even when shearing small-sized workpieces, the workpieces will be blocked by the protective cover 3 when flying out, and enter the storage box 2 for storage along the protective cover 3 to protect the workers.

[0023] As a further implementation scheme of the above technical scheme: the push plate 10 is a hollow structure, and an iron block that is magnetically attracted to the connecting electromagnet 14 is welded inside the push plate 10. The iron block is located above the telescopic plate 11. When the connecting electromagnet 14 is energized, it can drive the telescopic plate 11 to move upward and attract each other with the iron block, and the workpiece can be smoothly sheared through the telescopic plate 11.

[0024] As a further implementation scheme of the above technical scheme: the telescopic plate 11 is lifted and lowered in the push plate 10 through the connecting spring 13, and the cross-section of the telescopic plate 11 is an isosceles triangle structure. After the connecting electromagnet 14 is powered off, the connecting spring 13 extends outward, and the elastic action of the connecting spring 13 is used to push the telescopic plate 11 downward. Since the telescopic plate 11 can move back and forth on the shearing workbench 1, it is convenient to sweep the workpiece on the shearing workbench 1 into the storage box 2.

[0025] As a further implementation scheme of the above technical scheme: a screw motor is fixedly installed on one side of the protective cover 3 by external bolts, and the power output end of the screw motor is connected to the push screw 8, and the screw motor can drive the push screw 8 to rotate.

[0026] As a further implementation scheme of the above technical scheme: the push plate 10 moves back and forth at the front end of the protective cover 3 through the screw connecting sleeve 9 and the push screw 8. The push plate 10 can move backward under the action of the screw connecting sleeve 9 and the push screw 8 to sweep the workpiece into the storage box 2.

[0027] As a further implementation scheme of the above technical scheme: limiting sliders 12 are fixedly welded on both sides of the push plate 10, and a limiting slot is provided at the connection between the limiting slider 12 and the frame 7. When the push plate 10 moves in the frame 7, it can be limited by the limiting slider 12 and the limiting slot.

[0028] As a further implementation scheme of the above technical scheme: a plurality of equidistant and evenly distributed clamping cylinders 6 are arranged at the bottom of the frame 7, and a buffer spring 5 is sleeved on the outside of the telescopic end of the clamping cylinder 6, and a rubber pad 4 is connected below the buffer spring 5. The buffer spring 5 can play a buffering role when the clamping cylinder 6 is telescoped, and the clamping cylinder 6 is used to push the rubber pad 4 to clamp the workpiece to be processed.

[0029] When the workpiece is placed on the shearing table 1, the clamping cylinder 6 is started, and the clamping cylinder 6 pushes the rubber pad 4 downward to clamp the workpiece to be processed. At this time, the pushing plate 10 is close to the blade on the shearing plate, and the connecting electromagnet 14 is energized and attracted to the iron block. At this time, the connecting spring 13 is in a compressed state, and the workpiece can pass smoothly under the telescopic plate 11, and the shearing cylinder is started. The telescopic end of the shearing cylinder drives the blade on the shearing plate to move downward, and cooperates with the shearing plate lower blade under the blade on the shearing plate to shear the workpiece. After shearing, the connecting electromagnet 14 is powered off, and the connecting spring 13 extends outward, and the elastic action of the connecting spring 13 is used to push the telescopic plate 11 downward, and the telescopic plate 11 is located in the shearing opening. At this time, the power output end of the screw motor is connected to the pushing screw rod 8, and the screw motor can drive the pushing screw rod 8 to rotate, so that the pushing plate 10 moves backward, and the workpiece on the shearing table 1 is swept into the storage box 2, and the flying workpiece will also be blocked by the protective cover 3 and enter the storage box 2 along the protective cover 3 for storage.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic precision shearing machine suitable for shearing small precision steel plates, comprising a shearing workbench (1), a frame (7) welded above the shearing workbench (1), a shearing cylinder fixedly arranged inside the frame (7), and a shearing blade connected to the telescopic end of the shearing cylinder, characterized in that: A protective cover (3) is installed at the rear end of the frame (7), and a material storage box (2) is movably arranged below the protective cover (3). A push screw (8) is installed inside the protective cover (3) through a connecting shaft, and a screw connecting sleeve (9) is installed outside the push screw (8) through a screw nut. The screw connecting sleeve (9) is a hollow structure. A push plate (10) is connected to the end of the screw connecting sleeve (9), and a telescopic plate (11) is arranged inside the push plate (10). A connecting spring (13) is arranged at the connection between the telescopic plate (11) and the push plate (10), and a connecting electromagnet (14) is arranged between the connecting springs (13).

2. According to claim 1, a pneumatic precision shearing machine suitable for shearing small precision steel plates is characterized by: The push plate (10) is a hollow structure, and an iron block that is magnetically attracted to the connected electromagnet (14) is welded inside the push plate (10), and the iron block is located above the telescopic plate (11).

3. According to claim 2, a pneumatic precision shearing machine suitable for shearing small precision steel plates is characterized by: The telescopic plate (11) is lifted and lowered in the push plate (10) by means of a connecting spring (13), and the cross section of the telescopic plate (11) is an isosceles triangle structure.

4. The pneumatic precision shearing machine suitable for shearing small precision steel plates according to claim 1 is characterized in that: A screw motor is fixedly mounted on one side of the protective cover (3) via external bolts, and a power output end of the screw motor is connected to a push screw (8).

5. The pneumatic precision shearing machine suitable for shearing small precision steel plates according to claim 4 is characterized by: The push plate (10) moves forward and backward at the front end of the protective cover (3) through a screw connecting sleeve (9) and a push screw (8).

6. The pneumatic precision shearing machine suitable for shearing small precision steel plates according to claim 5 is characterized by: Limiting slide blocks (12) are fixedly welded on both the left and right sides of the push plate (10), and a limiting sliding groove is provided at the connection between the limiting slide block (12) and the frame (7).

7. The pneumatic precision shearing machine suitable for shearing small precision steel plates according to claim 1 is characterized by: A plurality of clamping cylinders (6) are arranged at an equal distance and evenly distributed at the bottom of the frame (7), and a buffer spring (5) is sleeved on the outside of the telescopic end of the clamping cylinder (6), and a rubber pad (4) is connected below the buffer spring (5).

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