Plate press

Abstract

The utility model relates to the technical field of plate pressure testing, and particularly discloses a plate press which is characterized in that the plate press comprises a rack, a fixing frame is fixedly arranged on the rack, and a workbench is arranged on the fixing frame; a mounting frame is fixedly arranged at the upper end of the rack, a cylinder body is arranged on the mounting frame, the upper end of the cylinder body is communicated with a pressure gauge, an oil pump is arranged on one side of the rack, and the oil pump is communicated with the cylinder body through a hydraulic pipe; a pressure measuring head is arranged at the lower end of the cylinder body and is vertically arranged right above the workbench; a control valve is arranged on one side of the oil pump and communicates with the oil pump. The utility model aims to solve the problems that a plate press in a laboratory is large in occupied area and tedious to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to material pressure test technical field, especially relate to a plate pressure machine. BACKGROUND

[0002] With the continuous development of science and technology, the demand of laboratory for plate pressure machine is increasing, at present, the plate pressure machine used in laboratory is mainly used for experimental research in the field of material science, mechanical engineering, civil engineering and the like, the plate pressure machine can be used for testing the mechanical properties of materials, such as compressive strength, elastic modulus and the like, in the field of mechanical engineering, the plate pressure machine can be used for simulating the stress condition of parts, and the structure optimization design is carried out, in the field of civil engineering, the plate pressure machine can be used for testing the compressive strength of concrete, rock and the like, at present, the plate pressure is tested in laboratory, and the pressure test is carried out through the plate pressure machine.

[0003] The disclosed patent, patent announcement number CN 211179306 U, patent name is a kind of plate surface pressure detection device, above patent carries out compression detection to plate, and the stability of pressure application is high, contact area is big, pressure is applied evenly, it is not easy to cause indentation, the replacement of the plate to be detected is convenient, the device control is easy and intuitive, however, above patent includes outer frame, swing lever, stop plate, control panel, support arm, electric cylinder, pressure detector and pressure rod and multiple components, the structure is relatively complex, possibly increase the cost of manufacturing and maintenance, since the device structure is complex, components are more, maintenance and repair can be more difficult, need professional personnel to repair and maintain, when using high-precision pressure detector and electric cylinder and the like components in laboratory, cost is higher, and the equipment contains many electrical equipment, when pressure detection is carried out in laboratory, equipment is used frequently, power consumption is large.

[0004] A published plate press, application publication number CN 112829359 A, the plate press includes independent unit plate press and multi-unit combined plate press, including top plate, base, column, plate column, motor, reducer, driving sprocket, intermediate sprocket, large chain, driven sprocket, lifting plate, sliding block, hanging spring, lower pressing plate, pressure device, upper pressing plate, four columns and a plate column are arranged between the top plate and the base, the top plate is fixed with the motor and the reducer, the two opposite rotating shafts of the reducer are respectively provided with two groups of front and rear driving sprockets, each group of driving sprockets is connected with two intermediate sprockets arranged at the front and rear ends of the top plate through small chains, the intermediate sprockets are connected with two sets of driven sprockets arranged at the front and rear ends of the base through large chains, the lifting plate is arranged between the two side columns, the lifting plate is fixed with sliding blocks with sliding holes on the front and rear sides, the two side columns pass through the sliding holes, and the sliding blocks on the two sides are fixed on the large chain, the lifting plate is fixed with the hanging spring, the lower end of the hanging spring is connected with the lower pressing plate, the lower pressing plate is provided with the pressure device, the piston shaft of the pressure device passes through the hole in the middle of the lifting plate, and the top end of the piston shaft is fixed with the upper pressing plate. However, the above patent has some problems, the equipment is complex, and the pressure device is arranged on the lower pressing plate, so that the installation area is large, the occupied area is large, and the installation is not convenient. Practical new type content

[0005] In view of the problems in the prior art, the technical problem solved by the present application is to provide a plate press, which solves the problems of large occupied area, complicated installation and large power consumption of the plate press in the laboratory.

[0006] In order to solve the above problems, the technical scheme adopted by the present application is: a plate press, characterized in that: a frame is fixedly provided on the frame, and a fixed frame is arranged on the frame; a workbench is arranged on the fixed frame; an installation frame is fixedly arranged on the upper end of the frame, and a cylinder body is arranged on the installation frame; a pressure gauge is communicated with the upper end of the cylinder body; a cylinder body is arranged on one side of the frame; an oil pump is communicated with the cylinder body through a hydraulic pipe; a pressure measuring head is arranged at the lower end of the cylinder body and vertically arranged above the workbench; and a control valve is communicated with the oil pump on one side of the oil pump.

[0007] The beneficial effects of the present application are: the pressure gauge can monitor the pressure output of the cylinder body in real time, and the pressure can be adjusted through the control valve, which helps to accurately control the pressure of the plate, ensures the consistency and accuracy of the pressure detection process, and enhances the stability of the whole press. The existence of the oil pump can stabilize the pressure output of the cylinder body and reduce the pressure fluctuation, thereby enhancing the stability of the whole press. The operation is simple, the pressure of the cylinder body on the plate can be observed by operating the oil pump and observing the pressure gauge, which is intuitive and convenient for inspection and recording. The structure is simple, the operation is convenient, the cost is low; the cylinder body and the frame are assembled in a split type, which is convenient for subsequent installation, the structure is simple, the occupied area is small, and the installation flexibility is good.

[0008] Further, a plurality of adjusting holes are vertically arranged on the rack, which can flexibly adjust the fixed frame to adapt to pressure testing of different thicknesses of plates, and can minimize the downward movement of the pressure head, so that pressure data can be quickly detected.

[0009] Further, the fixed frame is fixedly connected with the rack through the limiting rod, which can provide more secure connection and prevent the fixed frame from loosening or shifting during work, which helps to ensure the stability and reliability of the plate press, reduce failure and safety risk, the limiting rod can bear the load on the fixed frame and workbench and transmit it to the rack, which can prevent the fixed frame from deforming or damaging due to overload, while enhancing the strength of the entire press structure, the installation and disassembly of the limiting rod are usually simple and convenient, which helps to save maintenance and repair time and cost.

[0010] Further, a groove is arranged on the fixed frame, which is connected with the workbench to avoid sliding of the workbench during testing, affecting the pressure detection data, the design of the groove provides better contact area and friction, enhancing the connection stability between the fixed frame and the workbench, which can prevent the workbench from shaking or shifting during processing, improving the reliability of the equipment, the groove makes the installation and disassembly of the workbench more convenient, the workbench can be easily placed in the groove and fixed, reducing the installation and disassembly time and workload.

[0011] Further, a safety hole is arranged on the workbench to place the pressure head when the pressure is too large.

[0012] Further, the safety hole is arranged directly below the pressure head, and the diameter of the safety hole is greater than the diameter of the pressure head, when the plate or workpiece below the pressure head is subjected to excessive pressure, the safety hole can provide a pressure relief channel to prevent pressure accumulation from causing equipment overload or damage, by allowing excess pressure to pass through the safety hole, the pressure head and other components can be protected from damage.

[0013] Further, two bases are arranged at the lower end of the rack, which are arranged vertically with the rack and parallel between the bases, the two vertical and parallel bases provide better stability and balanced support, this structure can evenly distribute the weight and pressure of the rack, reducing the risk of tilting and shaking, ensuring that the press remains stable during work.

[0014] Further, the support member is fixedly arranged between the rack and the base, and has a trapezoidal structure, which can provide more stable support and prevent the rack from shaking or tilting during work, and the trapezoidal shape increases the contact area between the support member and the rack and the base, improves the overall stability, and has certain advantages in mechanics, can better resist bending moment and shear force, which helps to improve the performance and reliability of the equipment under heavy load conditions.

[0015] Further, the oil pump is driven by hand or foot, and the hand or foot driving does not depend on external power supply or complex mechanical system, reduces the dependence on external energy supply, which can still be tested in the case of no power supply or mechanical failure, increases the reliability of the test, and the speed and force of the hand or foot driving can control the output pressure and flow of the oil pump to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0017] The following will be further described in detail through specific embodiments:

[0018] The reference signs in the drawings of the specification include: base 1, fixing frame 2, rack 3, adjusting hole 4, limiting rod 5, workbench 6, mounting frame 7, cylinder body 8, booster pipe 9, pressure gauge 10, oil pump 11, pressure regulating valve 12, pressure measuring head 13, safety hole 14, support member 15, groove 16.

[0019] Example 1 is basically as shown in the accompanying drawings Figure 1The utility model discloses a kind of plate presses, including frame 3, the frame 3 is provided with multiple adjusting holes 4, the adjusting hole 4 is vertically arranged, fixed frame 2 is provided on frame 3, the fixed frame 2 is connected with frame 3 by limiting rod 5, recess 16 is provided on fixed frame 2, recess 16 is provided with workbench 6, the recess 16 is connected with workbench 6 cooperation, avoid workbench 6 when testing sliding, influence the data of pressure detection, recess 16 design provides better contact area and friction, enhance the connection stability between fixed frame 2 and workbench 6, this can prevent workbench 6 from wobbling or displacement during processing, improve the reliability of equipment, recess 16 of cooperation connection makes the installation and disassembly of workbench 6 more convenient, workbench 6 can be easily placed into recess 16, and fixed, reduce the time and workload of installation and disassembly, fixedly arranged on frame 3 is mounting frame 7, the mounting frame 7 is fixedly provided with cylinder body 8, the lower end of the cylinder body 8 is provided with pressure head 13, safety hole 14 is arranged at the position directly below pressure head 13, safety hole 14 is arranged at the position directly below pressure head 13, and the diameter of safety hole 14 is greater than the diameter of pressure head 13, when the plate or workpiece below pressure head 13 is subjected to excessive pressure, safety hole 14 can provide a pressure relief channel, prevent pressure accumulation from causing equipment overload or damage, by allowing excess pressure to be released through safety hole 14, pressure head 13 and other components can be protected from damage, pressure gauge 10 is arranged at the upper end of cylinder body 8, and the pressure gauge 10 is communicated with the cylinder body;Two bases 1 are arranged at the lower end of frame 3, the base 1 is vertically arranged with frame 3, and the bases 1 are parallelly arranged between them, the two vertical and parallel bases 1 provide better stability and balanced support, this structure can evenly distribute the weight and pressure of frame 3, reduce the risk of tilting and wobbling, ensure that the press maintains a stable state when working, support 15 is fixedly arranged between frame 3 and base 1, the support 15 is arranged in a trapezoidal structure, the trapezoidal support 15 can provide more stable support, prevent frame 3 from wobbling or tilting during operation, the trapezoidal shape increases the contact area between support 15 and frame 3 and base 1, improves the overall stability, the trapezoidal shape has certain advantages in mechanics, can better resist bending moment and shear force, which helps to improve the performance and reliability of the equipment under heavy load conditions, oil pump 11 is arranged on one side of frame 3, pressure regulating valve 12 is arranged on one side of the oil pump 11, the pressure of oil pump 11 is adjusted by pressure regulating valve 12, booster pipe 9 is arranged on the oil pump 11 to communicate the cylinder body and oil pump 11, the oil pump is driven by hand or foot, hand and foot driving do not rely on external power supply or complex mechanical system, reduce the dependence on external energy supply, which can still be tested in the absence of power supply or mechanical failure, increase the reliability of testing, the speed and intensity of hand or foot can control the output pressure and flow of oil pump to some extent.The operator can adjust the pace of driving according to the needs of the test to achieve different pressure test conditions.

[0020] Specific embodiments: when performing pressure test, adjust the position of the fixing frame according to the thickness of the plate, then fix the workbench 6 in the groove 16 on the fixing frame, when testing, place the plate to be tested on the workbench 6, control the pressure regulating valve 12, the hydraulic oil in the oil pump 11 enters the cylinder, the pressure head 13 at the lower end of the cylinder starts to apply pressure when it contacts the plate, the pressure of the plate pressing is observed by the pressure reading, and the degree is read by the pressure gauge.

[0021] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific embodiments and the like in the specification can be used to explain the content of the claims.

Claims

1. A panel press, characterized by: The utility model relates to a kind of hydraulic pressure testing device, including rack, fixedly arranged with fixed frame on the rack, which is provided with workbench;The upper end of the rack is fixedly arranged with mounting bracket, which is provided with cylinder body, and the upper end of the cylinder body is communicated with pressure gauge;Oil pump is arranged on one side of the rack, and the oil pump is communicated with the cylinder body by hydraulic pipe;The lower end of the cylinder body is provided with pressure head, and the pressure head is vertically arranged above the workbench;Control valve is arranged on one side of the oil pump and communicated with the oil pump.

2. A sheet press according to claim 1, characterized in that: The rack is provided with a plurality of adjusting holes arranged vertically.

3. A sheet press according to claim 1, characterized in that: The fixed frame and the rack are fixedly connected by the limiting rod.

4. A sheet press according to claim 1, characterized in that: The fixed frame is provided with a groove, which is connected with the workbench.

5. A sheet press according to claim 1, characterized in that: The workbench is provided with a safety hole.

6. A sheet press according to claim 5, characterized in that: The safety hole is arranged below the pressure head, and the diameter of the safety hole is larger than that of the pressure head.

7. A sheet press according to claim 1, characterized in that: The lower end of the rack is provided with two bases, which are arranged vertically with the rack, and are arranged in parallel between the bases.

8. A sheet press according to claim 1, characterized in that: A support is fixedly arranged between the rack and the base, and the support is arranged in a trapezoidal structure.

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