Protective assembly and hydraulic plate shearing machine thereof

Abstract

The utility model relates to the technical field of plate shearing machines, and discloses a protection assembly and a hydraulic plate shearing machine thereof. The limiting frames are arranged on the two sides of the protective baffle, and the two ends of the protective baffle are movably clamped in cavities of the limiting frames; the driving assembly comprises a rack and a gear which are arranged in the limiting frame cavity; and the guide assembly comprises a second guide rod and a fixing block, and a compression spring is arranged on the outer wall face of the second guide rod. The protection baffle is arranged to achieve the protection effect, the driving assembly and the guiding assembly are arranged in the cavity of the limiting frame to achieve lifting of the height of the protection baffle, and therefore the position of the protection baffle can be adjusted according to the thickness of the steel plate; and when the hydraulic plate shearing machine body is maintained in the later period, the protection assembly can be rapidly detached from the hydraulic plate shearing machine body, and the practicability of the device is improved through the reasonable structural design.

Description

Technical Field

[0001] The utility model relates to the technical field of shearing machines, in particular to a protective component and a hydraulic shearing machine thereof. Background Art

[0002] The hydraulic shearing machine uses a moving upper blade and a fixed lower blade, and adopts 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. The shearing machine is a shearing equipment that is widely used in machining.

[0003] The prior art discloses a hydraulic shearing machine (publication number: CN105642993B), including a shearing mechanism and a hydraulic control system, wherein the shearing mechanism includes a frame and an upper blade, wherein the upper blade is connected to the output end of the hydraulic cylinder through a plunger rod, and extensions are provided on both sides of the upper blade, and a cam mechanism is provided on one side of the two extensions; the hydraulic control system includes a working circuit, an oil supply system and an accumulator safety circuit, and the working circuit includes a solenoid valve, a hydraulic cylinder and an upper blade connected in sequence.

[0004] The existing technology uses the dual effects of the spring and the cam to drive the upper blade to return quickly, thereby improving production efficiency; the hydraulic control system ensures the stability of the shear force, but the existing technology does not take into account the protection of the device and the protection of the operator. In addition, some existing technologies achieve the protection effect by fixing the protective baffle with bolts, but do not take into account the problem that the protective baffle is not adjustable due to the different thickness of the steel plate.

[0005] Therefore, those skilled in the art provide a protective assembly and a hydraulic shearing machine thereof to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model mainly solves the technical problem of protection of a hydraulic plate shearing machine and provides a protection component and a hydraulic plate shearing machine thereof.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A protective component, comprising: a protective baffle, which is L-shaped and has evenly distributed rectangular grooves on its front end wall; a limit frame, which is arranged on both sides of the protective baffle, and both ends of the protective baffle are movably engaged in the cavity of the limit frame; a driving component, which comprises a rack and a gear arranged in the cavity of the limit frame, and the gear and the rack cooperate to drive the protective baffle to rise and fall, and a servo motor and a switch are fixedly installed on the outer wall of the limit frame on the left side; a guide component, which is arranged in the cavity of the limit frame, and comprises a second guide rod and a fixed block, and a compression spring is arranged on the outer wall of the second guide rod to elastically press down the protective baffle.

[0009] According to the protection assembly, the left end of the protection baffle is fixedly connected with a connecting plate, and the guide assembly also includes a first guide rod, and the first guide rod is fixedly installed in the corresponding limit frame cavity.

[0010] According to the protective assembly, the first guide rod movably passes through the connecting plate, the rack is fixedly connected to the connecting plate, and the gear is movably meshed with the rack.

[0011] According to the protection component, a rotating shaft is fixedly connected to one side of the gear, the rotating shaft movably passes through the corresponding limit frame and is fixedly connected to the output shaft of the servo motor, and the servo motor and the switch are in the same electrical circuit.

[0012] According to the protection assembly, the fixed block is fixedly connected to the right side wall of the protection baffle, the second guide rod is fixedly installed in the cavity of the corresponding limit frame, and the fixed block movably passes through the second guide rod.

[0013] According to the protective assembly, the compression spring is sleeved on the outer wall surface of the second guide rod, and the compression spring is located below the fixing block.

[0014] A hydraulic shearing machine comprises a hydraulic shearing machine body and the above-mentioned protective assembly, a quick-release structure is arranged between the hydraulic shearing machine body and the protective assembly, the quick-release structure is a quick-release pile fixedly installed on both sides of the hydraulic shearing machine body, a locking groove is provided on the top of the quick-release pile, and a limit frame is fixedly connected to a plug block on a side wall surface close to the quick-release pile, and the plug block is movably engaged with the quick-release pile.

[0015] The utility model provides a protective component and a hydraulic shearing machine thereof, which have the following beneficial effects:

[0016] (1) The protective baffle provided in the present application can play a protective role. By providing limit frames on both sides of the protective baffle, a driving assembly and a guide assembly are provided in the cavity of the limit frames to realize the raising and lowering of the height of the protective baffle, so that the position of the protective baffle can be adjusted according to the thickness of the steel plate. By providing a quick-release structure, it is convenient to quickly remove the protective assembly from the hydraulic shearing machine body during the later maintenance of the hydraulic shearing machine body. The practicality of the present device is improved through reasonable structural design.

[0017] (2) The left end of the protective baffle is fixedly connected to the connecting plate, the rack is fixedly connected to the connecting plate, the gear and the rack are movably engaged, and the servo motor drives the rotating shaft to rotate to drive the gear to rotate, thereby driving the rack to rise and fall along the first guide rod. A switch is set to facilitate the operator to control the switch of the servo motor, which is more convenient to use.

[0018] (3) A fixed block is provided to be fixedly connected to the right wall of the protective baffle, and the second guide rod is fixedly installed in the cavity of the corresponding limit frame. The fixed block movably passes through the second guide rod. The first guide rod and the second guide rod play a guiding role during the lifting and lowering process of the protective baffle. A compression spring is provided below the fixed block. The lower end of the protective baffle can contact the steel plate to be processed, thereby achieving a better protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the installation of the protective components and the hydraulic shearing machine body;

[0020] Figure 2 It is a schematic diagram of the connection between the hydraulic shearing machine body and the quick-release pile;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the protective baffle;

[0022] Figure 4 It is a schematic diagram of the left end structure of the protective baffle;

[0023] Figure 5 It is a schematic diagram of the right end structure of the protective baffle;

[0024] Figure 6 It is a schematic diagram of the connection relationship between the limit frame and the plug block.

[0025] Legend:

[0026] 10. Hydraulic shearing machine body; 11. Protective baffle; 12. Limit frame; 13. Servo motor; 14. Switch; 15. Quick release pile; 16. Connecting plate; 17. First guide rod; 18. Rack; 19. Gear; 20. Rotating shaft; 21. Second guide rod; 22. Fixed block; 23. Compression spring; 24. Insert block. DETAILED DESCRIPTION

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "upper", "lower", "inner", "outer", "side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0030] like Figure 1-6 As shown: a protective component, which includes: a protective baffle 11, which is L-shaped, and has evenly distributed rectangular grooves on the front end wall of the protective baffle 11; a limit frame 12, which is arranged on both sides of the protective baffle 11, and the two ends of the protective baffle 11 are movably engaged in the cavity of the limit frame 12; a driving component, which includes a rack 18 and a gear 19 arranged in the cavity of the limit frame 12, and the gear 19 cooperates with the rack 18 to drive the protective baffle 11 to rise and fall, and a servo motor 13 and a switch 14 are fixedly installed on the outer wall of the limit frame 12 on the left side; a guide component, which is arranged in the cavity of the limit frame 12, and includes a second guide rod 21 and a fixed block 22, and a compression spring 23 is arranged on the outer wall of the second guide rod 21 to elastically press down the protective baffle 11.

[0031] A hydraulic shearing machine comprises a hydraulic shearing machine body 10 and the above-mentioned protective assembly. A quick-release structure is arranged between the hydraulic shearing machine body 10 and the protective assembly. The quick-release structure is a quick-release pile 15 fixedly installed on both sides of the hydraulic shearing machine body 10. The top of the quick-release pile 15 is provided with a locking groove. The limit frame 12 is fixedly connected with an insert block 24 on the side wall surface close to the quick-release pile 15, and the insert block 24 is movably engaged with the quick-release pile 15.

[0032] It is worth noting that the hydraulic shearing machine body 10 is used to shear steel plates. A hydraulic shearing machine body 10 in the prior art (publication number: CN105642993B) has been disclosed and will not be described in detail here.

[0033] Specifically, the prior art does not provide a protective device at the feed port of the hydraulic shearing machine body 10, which poses a safety hazard. The present application provides a protective baffle 11 to play a protective role. By providing a limit frame 12 on both sides of the protective baffle 11, a driving assembly and a guide assembly are provided in the cavity of the limit frame 12 to realize the height of the protective baffle 11 being raised and lowered, so that the position of the protective baffle 11 can be adjusted according to the thickness of the steel plate. By providing a quick-release structure, it is convenient to quickly remove the protective assembly from the hydraulic shearing machine body 10 when the hydraulic shearing machine body 10 is maintained later. The practicality of the device is improved through reasonable structural design.

[0034] The left end of the protective baffle 11 is fixedly connected to a connecting plate 16, and the guide assembly also includes a first guide rod 17, which is fixedly installed in the corresponding cavity of the limit frame 12. The first guide rod 17 movably penetrates the connecting plate 16, the rack 18 is fixedly connected to the connecting plate 16, and the gear 19 is movably engaged with the rack 18. A rotating shaft 20 is fixedly connected to one side of the gear 19, and the rotating shaft 20 movably penetrates the corresponding limit frame 12 and is fixedly connected to the output shaft of the servo motor 13. The servo motor 13 and the switch 14 are in the same electrical circuit.

[0035] Specifically, the left end of the protective baffle 11 is fixedly connected to the connecting plate 16, the rack 18 is fixedly connected to the connecting plate 16, the gear 19 is movably engaged with the rack 18, and the servo motor 13 drives the rotating shaft 20 to rotate to drive the gear 19 to rotate, thereby driving the rack 18 to rise and fall along the first guide rod 17. The switch 14 is set to facilitate the operator to control the switch 14 of the servo motor 13, which is more convenient to use.

[0036] The fixing block 22 is fixedly connected to the right wall of the protective baffle 11, the second guide rod 21 is fixedly installed in the cavity of the corresponding limit frame 12, and the fixing block 22 movably penetrates the second guide rod 21. The compression spring 23 is sleeved on the outer wall of the second guide rod 21, and the compression spring 23 is located below the fixing block 22.

[0037] Specifically, a fixed block 22 is provided to be fixedly connected to the right side wall of the protective baffle 11, and the second guide rod 21 is fixedly installed in the cavity of the corresponding limit frame 12. The fixed block 22 movably passes through the second guide rod 21. The first guide rod 17 and the second guide rod 21 play a guiding role during the lifting process of the protective baffle 11. A compression spring 23 is provided below the fixed block 22. The lower end of the protective baffle 11 can contact the steel plate to be processed, and the protective effect is better.

[0038] The working principle of a protective component and its hydraulic shearing machine in the present application is: the servo motor 13 drives the gear 19 to rotate, the gear 19 is movably engaged with the rack 18, the rack 18 is fixedly connected to the connecting plate 16, and the connecting plate 16 is fixedly connected to the protective baffle 11, thereby driving the protective baffle 11 to rise and fall, and a compression spring 23 is provided so that the lower end of the protective baffle 11 can contact the steel plate to be processed when it descends, so as to achieve better protective effect, and an insert block 24 and a quick-release pile 15 are provided to facilitate quick disassembly of the protective component, and facilitate later maintenance of the hydraulic shearing machine body 10, and convenient disassembly and assembly.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A protective component, characterized in that: include: A protective baffle (11), wherein the protective baffle (11) is L-shaped, and a front end wall surface of the protective baffle (11) is provided with evenly distributed rectangular grooves; A limiting frame (12), wherein the limiting frame (12) is arranged on both sides of the protective baffle (11), and both ends of the protective baffle (11) are movably engaged in the cavity of the limiting frame (12); A driving assembly, the driving assembly comprising a rack (18) and a gear (19) arranged in a cavity of the limiting frame (12), the gear (19) cooperates with the rack (18) to drive the protective baffle (11) to move up and down, and a servo motor (13) and a switch (14) are fixedly mounted on the outer wall surface of the limiting frame (12) on the left side; A guide assembly is arranged in a cavity of a limit frame (12), the guide assembly comprises a second guide rod (21) and a fixing block (22), and a compression spring (23) is arranged on the outer wall surface of the second guide rod (21) for elastically pressing down the protective baffle (11).

2. The protective assembly according to claim 1, characterized in that: The left end of the protective baffle (11) is fixedly connected to a connecting plate (16), and the guide assembly also includes a first guide rod (17), and the first guide rod (17) is fixedly installed in the corresponding limit frame (12) cavity.

3. The protective assembly according to claim 2, characterized in that: The first guide rod (17) movably penetrates the connecting plate (16), the rack (18) is fixedly connected to the connecting plate (16), and the gear (19) movably meshes with the rack (18).

4. The protection assembly according to claim 1, characterized in that: A rotating shaft (20) is fixedly connected to one side of the gear (19). The rotating shaft (20) movably passes through the corresponding limit frame (12) and is fixedly connected to the output shaft of the servo motor (13). The servo motor (13) and the switch (14) are in the same electrical circuit.

5. The protection assembly according to claim 1, characterized in that: The fixing block (22) is fixedly connected to the right side wall of the protective baffle (11), the second guide rod (21) is fixedly installed in the cavity of the corresponding limit frame (12), and the fixing block (22) movably passes through the second guide rod (21).

6. The protection assembly according to claim 1, characterized in that: The compression spring (23) is sleeved on the outer wall surface of the second guide rod (21), and the compression spring (23) is located below the fixing block (22).

7. A hydraulic shearing machine, characterized in that: It comprises a hydraulic shearing machine body (10) and a protective component as described in any one of claims 1 to 6, wherein a quick-release structure is arranged between the hydraulic shearing machine body (10) and the protective component, wherein the quick-release structure is a quick-release pile (15) fixedly installed on both sides of the hydraulic shearing machine body (10), a locking groove is provided at the top of the quick-release pile (15), and a limit frame (12) is fixedly connected with an insert block (24) on a side wall surface close to the quick-release pile (15), and the insert block (24) is movably engaged with the quick-release pile (15).

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