Large grinding wheel hydraulic machine based on PLC control

Abstract

The utility model discloses a large grinding wheel hydraulic machine based on PLC control. A bottom plate is fixedly installed at the top of a base, a supporting rod is installed on the upper surface of the bottom plate, a top plate is fixedly installed at the top of the supporting rod, a hydraulic cylinder is fixedly installed at the bottom of the top plate, a sliding table is fixedly connected to the bottom of the hydraulic cylinder, and the sliding table is in sliding connection with the supporting rod; a PLC control box is fixedly arranged on the outer side of the base, sliding rails are arranged on the two sides of the lower surface of the workbench respectively, a positioning block is arranged in the middle of the lower surface of the workbench, and sliding grooves are formed in the positions, corresponding to the sliding rails, of the edge of the bottom plate. When a grinding wheel is prepared, an operator can pull the workbench out to the outer side for operation, so that the risk of faults such as sliding down of the sliding table is avoided, the situation that personal safety of the operator is endangered is completely eradicated, the automation degree of the whole machine table is greatly improved, the working efficiency is effectively improved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic press technical field, especially large grinding wheel hydraulic press based on PLC control. BACKGROUND

[0002] Hydraulic press is a kind of machine for transmitting energy to realize various processes according to Pascal principle with liquid as working medium.Hydraulic press is generally composed of local machine (main machine), power system and hydraulic control system.Three parts of hydraulic press classification have valve hydraulic press, liquid hydraulic press, engineering hydraulic press.Hydraulic forming process has wide application in automobile, aviation, aerospace and pipeline industries, mainly suitable for: along the axis of hollow structural members, such as grinding wheel construction, circular, rectangular or special-shaped cross-section hollow structural members, such as engine bracket, instrument panel support, vehicle body frame, hollow shaft and complex pipe fittings etc.During the preparation of grinding wheel, the raw materials need to be prepared after being placed on the workbench and operated in the hydraulic press itself, which has risks, such as the sliding of sliding table, and the upper and lower two plates collide together, which is easy to cause harm to the personal safety of personnel, and the degree of automation of hydraulic press itself is not high, resulting in low work efficiency and high labor cost. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of large grinding wheel hydraulic press based on PLC control to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of large grinding wheel hydraulic press based on PLC control, including base, the top of base is fixedly installed with bottom plate, the recess is arranged in the center position of bottom plate, the support rod is installed on the upper surface of bottom plate, the top of support rod is fixedly installed with top plate, the bottom of top plate is fixedly installed with hydraulic cylinder, the bottom of hydraulic cylinder is fixedly connected with sliding table, sliding table is slidably connected with support rod, the bottom of sliding table is movably connected with workbench, PLC control box is fixedly arranged on the outside of base, the slide rail is respectively arranged in the lower surface both sides of workbench, the positioning block is arranged in the middle of the lower surface of workbench, the outer contour of positioning block is consistent with the inner cavity of recess, the sliding slot is installed in the corresponding position of the edge of bottom plate with the slide rail, and the slide rail is arranged in the sliding slot.

[0005] Preferably, the bottom plate is of rectangular structure, and the support rod is arranged at each of the four vertexes of the upper surface of the bottom plate.

[0006] Preferably, the recess is provided with a proximity sensor, the sensing end of the proximity sensor is in correspondence with the lower surface of the positioning block and is in conduction with the PLC control box through a wire, and a distance of 0.5-2 cm is reserved between the sensing end of the proximity sensor and the lower surface of the positioning block.

[0007] Preferably, the slide rail bottom is provided with a limiting block.

[0008] Preferably, the slide groove is movably provided with a plurality of pulleys.

[0009] Preferably, the pulley shaft is connected with the driving shaft of the servo motor through a shaft coupling, a torque sensor is mounted on the driving shaft of the servo motor, and the servo motor and the torque sensor are electrically connected with the PLC control box.

[0010] Preferably, the workbench is fixedly connected with the bottom plate through bolts.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The large-scale grinding wheel hydraulic machine based on PLC control provided by the present application can be pulled out to the outside for operation by the operator during the preparation of the grinding wheel, thereby avoiding the risk of failure such as sliding of the slide table, eliminating the situation of endangering the safety of the operator, greatly improving the automation degree of the overall machine, effectively providing the work efficiency, and reducing the labor cost.

[0013] 2. The recess bottom in the present application is provided with a proximity sensor, and after the sensor senses that the positioning block is in place, the overall equipment is controlled to operate by the PLC control box, thereby fundamentally eliminating the operation risk.

[0014] 3. The slide groove in the present application is movably provided with a plurality of pulleys, and the servo motor provides power assistance, effectively reducing the burden of manpower and the operation strength of the equipment.

[0015] 4. The workbench in the present application is fixedly connected with the bottom plate through bolts, and after the workbench is installed in place, it is further positioned to prevent displacement during the working process of the hydraulic machine and affect the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a structural schematic diagram of the present application.

[0018] Figure 2 It is a structural schematic diagram of the upper surface of the bottom plate of the present application.

[0019] Figure 3 It is a structural schematic diagram of the lower surface of the workbench of the present application.

[0020] In the figure: 1, base; 2, bottom plate; 3, support rod; 4, top plate; 5 hydraulic cylinder; 6, sliding table; 7, workbench; 8, groove; 9, slide rail; 10, PLC control box; 11, positioning block; 12, sliding groove; 13, proximity sensor; 14, limit block; 15, pulley; 16, servo motor; 17, coupling; 18, Moore sensor; 19, bolt. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit the utility model; the terms "include" and "have" in the specification and claims of the utility model and their any variants are intended to cover non-exclusive inclusion.

[0023] Reference herein to "embodiment" means that the specific features, structures, or characteristics described in connection with the embodiment can be included in at least one embodiment of the utility model. The phrase "embodiment" appearing at various locations in the specification does not necessarily all refer to the same embodiment, nor is it mutually exclusive or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the expressions of the indicated directions for describing the operation and structure of each component of the present embodiment, such as the X direction, the Y direction and the Z direction, are not absolute but relative, and although these indications are appropriate when each component is in the position shown in the drawings, these directions should be interpreted differently to correspond to the changes when these positions change.

[0026] In addition, the terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, and are not intended to describe a particular order, and can explicitly or implicitly include one or more of the features.

[0027] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, the "connecting" or "connecting" of the mechanical structure can mean physical connection, for example, the physical connection can be fixed connection, for example, fixed connection by fixing member, for example, fixed connection by screw, bolt or other fixing member; the physical connection can also be detachable connection, for example, mutual clamping or clamping connection; the physical connection can also be integrally connected, for example, welding, bonding or integrally formed connection for connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.

[0029] The present application provides Figure 1The illustrated one kind is based on PLC control's large-scale grinding wheel hydraulic press, including base 1, the top of base 1 is fixedly installed with bottom plate 2, the central position of bottom plate 2 is provided with recess 8, the upper surface of bottom plate 2 is installed with support rod 3, the top of support rod 3 is fixedly installed with top plate 4, the bottom of top plate 4 is fixedly installed with hydraulic cylinder 5, the bottom of hydraulic cylinder 5 is fixedly connected with sliding table 6, sliding table 6 is slidably connected with support rod 3, the bottom of sliding table 6 is movably connected with workbench 7, the outside of base 1 is fixedly provided with PLC control box 10, the lower surface of workbench 7 is provided with slide rail 9 on both sides respectively, the lower surface of workbench 7 is provided with positioning block 11 in the middle, the external contour of positioning block 11 is consistent with the inner cavity of recess 8, the edge of bottom plate 2 is provided with sliding groove 12 at the corresponding position of slide rail 9, and slide rail 9 is arranged in the inside of sliding groove 12.In the preparation of grinding wheel, the operator can pull out the workbench 7 to the outside for operation, thereby avoiding the risk of sliding table 6 sliding down, eliminating the situation endangering the safety of the operator, and greatly improving the automation degree of the overall machine, effectively providing the work efficiency and reducing the labor cost.

[0030] As Figure 2 The bottom plate 2 is of rectangular structure, and the upper surface of the bottom plate 2 is provided with support rods 3 at four vertex positions. The bottom of the recess 8 is provided with a proximity sensor 13, and the sensing end of the proximity sensor 13 corresponds to the lower surface of the positioning block 11 and is connected to the PLC control box 10 through wires. The distance between the sensing end of the proximity sensor 13 and the lower surface of the positioning block 11 is 0.5-2 cm. After the positioning block 11 is sensed by the proximity sensor 13, the overall equipment is controlled to operate by the PLC control box 10, thereby fundamentally eliminating the operation risk.

[0031] At the same time, as Figure 3 The bottom of the slide rail 9 is provided with a limiting block 14. The corresponding sliding groove 12 is movably provided with a plurality of groups of pulleys 15. The central shaft of the pulley 15 is connected to the drive shaft of the servo motor 16 through a coupling 17, and a torque sensor 18 is installed on the drive shaft of the servo motor 16. The servo motor 16 and the torque sensor 18 are electrically connected to the PLC control box 10. The servo motor 16 provides power assistance, effectively reducing the burden of manpower and reducing the operation intensity of the equipment.

[0032] And the workbench 7 is fixedly connected to the bottom plate 2 by bolts 19. After the workbench 7 is installed in place, it is further positioned to prevent displacement during the operation of the hydraulic press, affecting the product quality.

[0033] Working principle: the operator will workbench 7 from the machine inside the pull out after the material loading, in the pull out workbench 7, first workbench 7 on the table, pull out to the outside, through the chute 12, slide rail 9 between mutual cooperation, so that the pulley 15 roll, at the same time drive the Moore sensor 18 send digital signal transmission to PLC control box 10, control servo motor 16 rotation, provide power, that can easily pull out the workbench 7, after all the preparation work is completed workbench 7 reset, when the proximity sensor 13 sensing workbench 7 can operate equipment operation.

[0034] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A large-scale grinding wheel hydraulic press based on PLC control, characterized in that: The utility model relates to a kind of hydraulic pressure lifting platform, including base (1), the top of the base (1) is fixedly installed bottom plate (2), recess (8) is arranged in the center position of the bottom plate (2), support rod (3) is installed on the upper surface of the bottom plate (2), the top of the support rod (3) is fixedly installed top plate (4), hydraulic cylinder (5) is fixedly installed in the bottom of the top plate (4), the bottom of hydraulic cylinder (5) is fixedly connected with sliding table (6), the sliding table (6) is slidably connected with support rod (3), workbench (7) is movably connected in the bottom of the sliding table (6), PLC control box (10) is fixedly arranged outside the base (1), slide rail (9) is respectively arranged in the lower surface both sides of workbench (7), positioning block (11) is arranged in the lower surface middle of workbench (7), the external contour of the positioning block (11) is consistent with the inner cavity of the recess (8), slide groove (12) is installed in the corresponding position of the slide rail (9) with the edge of the bottom plate (2), the slide rail (9) is matched and arranged in the inside of the slide groove (12); The recess (8) is provided with a proximity sensor (13) at the bottom, and the sensing end of the proximity sensor (13) is in correspondence with the lower surface of the positioning block (11) and is in conduction with the PLC control box (10) through a wire, and a distance of 0.5-2cm is reserved between the sensing end of the proximity sensor (13) and the lower surface of the positioning block (11). The slide groove (12) movably provides several groups of pulleys (15). The central shaft of the pulley (15) is connected with the drive shaft of the servo motor (16) through a coupling (17), a torque sensor (18) is installed on the drive shaft of the servo motor (16), and the servo motor (16) and the torque sensor (18) are electrically connected with the PLC control box (10) respectively.

2. The large-scale grinding wheel hydraulic press based on PLC control according to claim 1, characterized in that: The bottom plate (2) is of rectangular structure, and support rods (3) are arranged at four vertex positions on the upper surface of the bottom plate (2).

3. The large-scale grinding wheel hydraulic press based on PLC control according to claim 1, characterized in that: The slide rail (9) is provided with a limit block (14) at the bottom.

4. The large-scale grinding wheel hydraulic press based on PLC control according to claim 1, characterized in that: The workbench (7) is fixedly connected with the bottom plate (2) by bolts (19). The bottom plate (2) is of rectangular structure, and support rods (3) are arranged at four vertex positions on the upper surface of the bottom plate (2). The slide rail (9) is provided with a limit block (14) at the bottom. The workbench (7) is fixedly connected with the bottom plate (2) by bolts (19).

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