A clamping device for a hydraulic press

Abstract

The utility model discloses a clamping device of a hydraulic press, comprising a base, an upper end surface of the base is provided with a slide groove, a placing table is provided inside the base, a cavity is provided inside the placing table, a lifting plate is movably connected inside the cavity, a plurality of evenly distributed push rods are provided at the upper end of the lifting plate, the push rods are slidably connected to the placing table, protective covers are provided on the front and back sides of the placing table, the protective cover is an arc plate, a rotating shaft is provided at the left end of the protective cover, the bottom end of the rotating shaft is rotatably connected to the base, a magnet strip is provided on the right end surface of the protective cover, an iron plate is provided on the right side of the protective cover, the bottom end of the iron plate is fixedly connected to the base, a fixing component is provided above the base, and a lifting component is provided at the bottom end of the placing table. The clamping device of a hydraulic press disclosed by the utility model is not only more firmly fixed and convenient for taking out the workpiece, but also has higher safety.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic presses and discloses a clamping device for a hydraulic press. Background Art

[0002] A hydraulic press is a machine that uses liquid as a working medium and is made according to Pascal's principle to transfer energy to achieve various processes. In production workshops, hydraulic presses are often used to process products during mechanical processing. When a hydraulic press processes a workpiece, a processing fixture is required to clamp and fix the workpiece to prevent the workpiece from moving during the processing and affecting the processing quality.

[0003] The patent number CN218140114U in the prior art introduces a clamping device for a single-cylinder double-column hydraulic press, including a bottom block, the top of which is fixedly connected to two columns, a clamping structure is arranged between the two columns, and the clamping structure includes: a strip shell arranged above the bottom block, a strip hole is opened on the top of the strip shell, and a rotating rod, one end of which movably passes through the bottom of the strip shell and extends to the inside of the strip shell. Through the provided clamping structure, two rubber pads are used to achieve a clamping effect on both sides of the graphite block, so as to prevent the pressure block from falling off or deflecting during the process of pressurizing and molding the graphite block.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] (1) The workpiece clamping effect is poor and cannot adapt to workpieces of different sizes.

[0006] (2) After the workpiece is processed, it may stick to the device, making it inconvenient to remove.

[0007] (3) It is unable to block the flying workpiece debris, and the safety is low. Utility Model Content

[0008] The utility model aims to provide a clamping device for a hydraulic press, which solves the problems of poor clamping effect, inconvenience in removing workpieces and low safety in the prior art by arranging a fixing component, a lifting component and a protective cover.

[0009] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0010] A clamping device for a hydraulic press, comprising:

[0011] A base, wherein a slide groove is provided on the upper end surface of the base;

[0012] A placing table, the placing table is fixedly connected to the base, a cavity is provided inside the placing table, a lifting plate is movably connected inside the cavity, a plurality of evenly distributed push rods are provided on the upper end of the lifting plate, and the push rods are slidably connected to the placing table;

[0013] There are two protective covers, each of which is an arc-shaped plate, a rotating shaft is provided at the left end of the protective cover, the bottom end of the rotating shaft is rotatably connected to the base, and a magnet strip is provided on the right end surface of the protective cover;

[0014] An iron plate, wherein there are two iron plates, the iron plates are located on the right side of the protective cover, and the bottom end of the iron plate is fixedly connected to the base;

[0015] A fixing assembly, wherein the fixing assembly is located above the base;

[0016] A lifting component is located at the bottom end of the placement table.

[0017] Furthermore, the fixing assembly comprises:

[0018] A stud, the stud is located inside the slide slot, both right ends of the stud seat are rotatably connected to the base, and a knob is provided at the right end of the stud;

[0019] There are two moving rods, the moving rods are slidably connected to the slide grooves, and the two moving rods are each provided with a transverse plate at one end close to each other, and the two transverse plates are each provided with a main splint at one side close to each other.

[0020] Furthermore, a telescopic rod is provided between the main splint and the cross plate, the front and rear ends of the main splint are rotatably connected to the side splints, telescopic columns are provided on the front and rear sides of the telescopic rod, the two ends of the telescopic columns are respectively rotatably connected to the cross plate and the side splints, and a spring is sleeved on the surface of the telescopic column.

[0021] Furthermore, the bottom end of the movable rod is sleeved with a stud.

[0022] Furthermore, the lifting assembly comprises:

[0023] A column, the upper end of which is fixedly connected to the placement table, and the bottom end of which is provided with a motor;

[0024] A screw rod, the screw rod is rotatably connected to the inside of the column, and the bottom end of the screw rod is fixedly connected to the motor;

[0025] A lifting rod is slidably connected to the column, and the lifting rod is sleeved with a screw rod.

[0026] Furthermore, the upper end of the lifting rod is fixedly connected to the lifting plate.

[0027] The utility model provides a clamping device for a hydraulic press, which has the following beneficial effects:

[0028] (1) The utility model solves the problem of poor clamping effect of the clamping device of the existing hydraulic press by providing a fixing component. The workpiece is placed on the placement table, and the knob is rotated to rotate the stud. The stud drives the two moving rods to approach each other, thereby driving the main clamping plate to approach the workpiece. The side clamping plate rotates when in contact with the workpiece, and thus can fit the workpiece as closely as possible, thereby fixing the workpiece.

[0029] (2) The utility model solves the problem that the clamping device of the existing hydraulic press is inconvenient to remove the workpiece by providing a lifting assembly. After the workpiece is processed, the motor can drive the screw to rotate and thus move the lifting rod in the vertical direction. The lifting rod pushes the push rod up through the lifting plate, lifts the workpiece, and then facilitates the removal of the workpiece.

[0030] (3) The utility model solves the problem of low safety of the clamping device of the existing hydraulic press by providing a protective cover. Before processing the workpiece, the protective cover can be rotated to allow the magnet bar to be adsorbed on the iron plate, and the protective cover is fixed. The protective cover can block flying debris, thereby greatly enhancing safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0032] Figure 1 It is a three-dimensional structural schematic diagram of a clamping device of a hydraulic press of the utility model;

[0033] Figure 2 It is a front view of a clamping device of a hydraulic press of the utility model;

[0034] Figure 3 It is a top view of a clamping device of a hydraulic press of the utility model;

[0035] Figure 4 This is a schematic diagram of the structure of a lifting component of a clamping device of a hydraulic press of the utility model;

[0036] Figure 5 The utility model is a clamping device of a hydraulic press Figure 1 Enlarged view of point A in the middle;

[0037] Among them: 1. base; 101. slide; 2. placement table; 201. cavity; 202. lifting plate; 203. push rod; 3. protective cover; 301. rotating shaft; 302. magnet bar; 4. iron plate; 5. fixing assembly; 501. stud; 502. knob; 503. moving rod; 504. cross plate; 505. telescopic rod; 506. main splint; 507. side splint; 508. telescopic column; 509. spring; 6. lifting assembly; 601. column; 602. motor; 603. screw; 604. lifting rod. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] See also Figure 1-5 A clamping device for a hydraulic press includes a base 1, a slide groove 101 is provided on the upper surface of the base 1, a placing table 2 is provided inside the base 1 for placing a workpiece, a cavity 201 is provided inside the placing table 2, a lifting plate 202 is movably connected inside the cavity 201, and the lifting plate 202 can move up and down inside the cavity 201, and a plurality of evenly distributed push rods 203 are provided on the upper end of the lifting plate 202, and the push rods 203 are slidably connected to the placing table 2, and a protective cover 3 is provided on both the front and rear sides of the placing table 2, and the protective cover 3 is an arc-shaped plate, and the left and right sides of the protective cover 3 are provided. There is a rotating shaft 301 at the end, and the bottom end of the rotating shaft 301 is rotatably connected to the base 1. There is a magnet strip 302 on the right end surface of the protective cover 3, and there is an iron plate 4 on the right side of the protective cover 3. Before processing the workpiece, the protective cover 3 can be rotated to make the magnet strip 302 adsorbed on the iron plate 4 to fix the protective cover 3. The protective cover 3 can block flying debris and greatly enhance the safety. The bottom end of the iron plate 4 is fixedly connected to the base 1. There is a fixing component 5 above the base 1 to fix the workpiece. There is a lifting component 6 at the bottom of the placing table 2 to lift the workpiece.

[0040] Specifically, the lifting component 6 includes a column 601, the upper end of the column 601 is fixedly connected to the placement table 2, the bottom end of the column 601 is provided with a motor 602, the column 601 is internally rotatably connected with a screw 603, the bottom end of the screw 603 is fixedly connected to the motor 602, the motor 602 can drive the screw 603 to rotate, a lifting rod 604 is sleeved on the surface of the screw 603, the lifting rod 604 will move up and down with the rotation of the screw 603, the lifting rod 604 is slidably connected to the column 601, and the upper end of the lifting rod 604 is fixedly connected to the lifting plate 202.

[0041] Through the above technical solution, the first motor 602 can drive the screw rod 603 to rotate and thus move the lifting rod 604 in the vertical direction. The lifting rod 604 pushes the push rod 203 to rise through the lifting plate 202, lifts the workpiece, and then facilitates the removal of the workpiece.

[0042] Specifically, the fixing assembly 5 includes a stud 501, the threads at both ends of the stud 501 are in opposite directions, the stud 501 is located inside the slide 101, both ends of the stud 501 are rotatably connected to the base 1, a knob 502 is provided at the right end of the stud 501 to facilitate the rotation of the stud 501, and moving rods 503 are sleeved on the surfaces of both ends of the stud 501, and the moving rods 503 are slidably connected to the slide 101, and the two moving rods 503 are each provided with a horizontal plate 504 at one end close to each other, and the two horizontal plates 504 There are main splints 506 on the sides close to each other, and there is a telescopic rod 505 between the main splint 506 and the cross plate 504. The main splint 506 can move in the horizontal direction. The front and rear ends of the main splint 506 are rotatably connected with side splints 507. There are telescopic columns 508 on the front and rear sides of the telescopic rod 505. The two ends of the telescopic column 508 are respectively rotatably connected to the cross plate 504 and the side splint 507. A spring 509 is sleeved on the surface of the telescopic column 508, which can push the side splint 507 to rotate, so that it fits the workpiece and provides clamping force.

[0043] Through the above technical solution, the workpiece is placed on the placement table 2, and the knob 502 is rotated to rotate the stud 501. The stud 501 drives the two moving rods 503 to approach each other, and then drives the main clamping plate 506 to approach the workpiece. The side clamping plate 507 contacts the workpiece and rotates, so that the workpiece can be fitted as closely as possible, thereby fixing the workpiece.

[0044] When in use, place the workpiece on the placement table 2, rotate the knob 502 to rotate the stud 501, the stud 501 drives the two moving rods 503 to approach each other, and then drives the main clamping plate 506 to approach the workpiece, the side clamping plate 507 contacts the workpiece and rotates, so that it can fit the workpiece as much as possible to fix the workpiece, then, rotate the protective cover 3 to make the magnet bar 302 adsorbed on the iron plate 4, fix the protective cover 3, and the workpiece can be processed. After the processing is completed, the first motor 602 can drive the screw 603 to rotate and then move the lifting rod 604 in the vertical direction. The lifting rod 604 pushes the push rod 203 to rise through the lifting plate 202, lifts the workpiece, and then facilitates the removal of the workpiece.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamping device for a hydraulic press, characterized in that: include: A base (1), wherein a slide groove (101) is provided on the upper surface of the base (1); A placement platform (2), the placement platform (2) is fixedly connected to the base (1), a cavity (201) is provided inside the placement platform (2), a lifting plate (202) is movably connected inside the cavity (201), a plurality of evenly distributed push rods (203) are provided at the upper end of the lifting plate (202), and the push rods (203) are slidably connected to the placement platform (2); A protective cover (3), wherein there are two protective covers (3), the protective cover (3) is an arc-shaped plate, a rotating shaft (301) is provided at the left end of the protective cover (3), the bottom end of the rotating shaft (301) is rotatably connected to the base (1), and a magnet strip (302) is provided on the surface of the right end of the protective cover (3); An iron plate (4), wherein there are two iron plates (4), each of which is located on the right side of the protective cover (3), and the bottom end of each iron plate (4) is fixedly connected to the base (1); A fixing assembly (5), wherein the fixing assembly (5) is located above the base (1); A lifting component (6), wherein the lifting component (6) is located at the bottom end of the placement platform (2).

2. A clamping device for a hydraulic press according to claim 1, characterized in that: The fixing assembly (5) comprises: A stud bolt (501), the stud bolt (501) is located inside the slide groove (101), both right ends of the stud bolt (501) are rotatably connected to the base (1), and a knob (502) is provided at the right end of the stud bolt (501); There are two moving rods (503), the moving rods (503) are slidably connected to the slide groove (101), and the two moving rods (503) are each provided with a transverse plate (504) at one end close to each other, and the two transverse plates (504) are each provided with a main splint (506) at one side close to each other.

3. A clamping device for a hydraulic press according to claim 2, characterized in that: A telescopic rod (505) is provided between the main splint (506) and the transverse plate (504), and the front and rear ends of the main splint (506) are rotatably connected to the side splints (507). Telescopic columns (508) are provided on the front and rear sides of the telescopic rod (505), and the two ends of the telescopic column (508) are respectively rotatably connected to the transverse plate (504) and the side splints (507), and a spring (509) is sleeved on the surface of the telescopic column (508).

4. The clamping device of a hydraulic press according to claim 2, characterized in that: The bottom end of the moving rod (503) is sleeved with the stud bolt (501).

5. The clamping device of a hydraulic press according to claim 1, characterized in that: The lifting assembly (6) comprises: A column (601), the upper end of the column (601) is fixedly connected to the placement platform (2), and the bottom end of the column (601) is provided with a motor (602); A screw rod (603), wherein the screw rod (603) is rotatably connected to the interior of the column (601), and the bottom end of the screw rod (603) is fixedly connected to the motor (602); A lifting rod (604), wherein the lifting rod (604) is slidably connected to the column (601), and the lifting rod (604) is sleeved with the screw rod (603).

6. The clamping device of a hydraulic press according to claim 5, characterized in that: The upper end of the lifting rod (604) is fixedly connected to the lifting plate (202).

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