Fixing assembly of pressure testing machine

Abstract

The utility model discloses a fixing assembly of a pressure testing machine, which comprises a workbench and a bottom plate, the upper surface of the bottom plate is fixedly connected with a limiting frame, the top of the limiting frame is fixedly connected with a fixing frame, the top of the fixing frame is provided with a pressure assembly, the two sides of the fixing frame are respectively and fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the limiting frame. A connecting frame is fixedly connected between the two fixing plates, a fixing block is welded to the upper surface of the connecting frame, a sample placing disc is fixedly connected to the outer wall of the top of the fixing block, a two-way threaded rod is movably connected to the annular inner wall of the fixing block, and the other end of the two-way threaded rod penetrates through the fixing block. According to the pressure detection device, a sample can be kept stable in the pressure detection process through the clamping plate, meanwhile, sweeps generated by the sample after pressure detection can be collected through the collecting box, and the pressing plate can be guided through the sliding rod so that the pressing plate can stably move up and down.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure testing machines, in particular to a fixing component of a pressure testing machine. Background Art

[0002] The pressure testing machine is mainly suitable for various physical and mechanical property tests of rubber, plastic sheets, pipes, special-shaped materials and other materials.

[0003] After searching, a pressure testing machine with patent number CN211740908U which is easy to clean, includes a base. The setting of the rubber pad of the above device can increase the friction between the object and the carrier plate to prevent the object from being displaced by pressure. The device uses rubber pads to increase friction and prevent the sample from being displaced, but the rubber pads have a certain elasticity, which makes the final result inaccurate. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fixing component for a pressure testing machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fixing component of a pressure testing machine comprises a workbench and a base plate, the upper surface of the base plate is fixedly connected to a limit frame, the top of the limit frame is fixedly connected to a fixing frame, the top of the fixing frame is provided with a pressure component, the two sides of the fixing frame are respectively fixedly connected to fixing plates, a connecting frame is fixedly connected between the two fixing plates, a fixing block is welded on the upper surface of the connecting frame, the top outer wall of the fixing block is fixedly connected to a sample placement tray, a two-way threaded rod is movably connected to the annular inner wall of the fixing block, and the other end of the two-way threaded rod passes through the fixing block, Z-shaped plates are respectively inserted on both sides of the fixing block, and the Z-shaped plates are threadedly connected to the two-way threaded rod, the protruding parts on both sides of the sample placement tray are respectively inserted with connecting rods, and the connecting rods are fixed to the top of the Z-shaped plate extending out of the fixed block, and one end of the connecting rod is fixedly connected to a clamp.

[0007] As a further solution of the utility model, the pressure assembly includes a hydraulic cylinder, which is installed on the top of the fixing frame. One end of the hydraulic rod of the hydraulic cylinder passes through the fixing frame and is installed with a pressure plate, and a pressure sensor is installed at the bottom of the pressure plate.

[0008] As a further solution of the utility model, limiting grooves are respectively provided on both sides of the limit frame, a collection box is placed on the upper surface of the base plate and is located in the cavity surrounded by the limit frame, and limiting rods are respectively fixedly connected to the outer walls on both sides of the collection box, and the limiting rods are slidably connected to the limiting grooves.

[0009] As a further solution of the utility model, both ends of the limit frame are respectively provided with insertion holes, and the insertion holes are plugged with pins that can limit the position of the limit rod.

[0010] As a further solution of the utility model, a sliding groove is provided on the bottom inner wall of the fixed block, and the Z-shaped plate is slidably connected to the sliding groove.

[0011] As a further solution of the utility model, two sliding rods are fixedly connected between the fixing frame and the fixing plate, and the pressing plate is slidably connected to the sliding rods.

[0012] As a further solution of the utility model, the base plate is fixed to the upper surface of the workbench by bolts.

[0013] The beneficial effects of the utility model are:

[0014] 1. In the utility model, the sample placed on the sample placement plate is clamped by the clamping plate, so that the sample can remain stable during the pressure detection process, thereby improving the use effect of the device.

[0015] 2. The collection box can be used to collect the waste generated by the sample after the pressure test, which is convenient for the staff to deal with in a centralized manner. At the same time, the latch can make it easier for the staff to pull out the collection box on the bottom plate.

[0016] 3. Through the setting of the slide bar, the slide bar can guide the pressure plate so that it can move up and down stably, avoiding it from tilting during the movement, thereby improving the guiding effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a fixing assembly of a pressure testing machine proposed by the utility model;

[0018] Figure 2 It is a partial enlarged structural schematic diagram of a fixing component of a pressure testing machine proposed by the utility model;

[0019] Figure 3 It is a partial cross-sectional structural schematic diagram of a fixing assembly of a pressure testing machine proposed by the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the enlarged structure of part A of the fixing assembly of a pressure testing machine.

[0021] In the figure: 1. workbench; 2. fixed frame; 3. hydraulic cylinder; 4. sliding rod; 5. pressure plate; 6. bottom plate; 7. limit frame; 8. fixed plate; 9. connecting frame; 10. collection box; 11. clamping plate; 12. fixing block; 13. sample placement plate; 14. sliding groove; 15. two-way threaded rod; 16. Z-type plate; 17. connecting rod; 18. latch; 19. limit groove; 20. limit rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 4 A fixing assembly of a pressure testing machine includes a workbench 1 and a bottom plate 6. A limit frame 7 is fixed to the upper surface of the bottom plate 6 by bolts. A fixing frame 2 is fixed to the top of the limit frame 7 by bolts. A pressure assembly for pressure testing a sample is arranged on the top of the fixing frame 2. Fixing plates 8 are fixed to the two sides of the fixing frame 2 by bolts. A connecting frame 9 is fixed between the two fixing plates 8 by bolts. A fixing block 12 is welded to the upper surface of the connecting frame 9. A sample placing plate 13 capable of placing a sample is fixed to the top outer wall of the fixing block 12 by bolts. A bidirectional threaded rod 15 is rotatably connected to the annular inner wall of the fixing block 12, and the bidirectional thread The other end of the rod 15 passes through the fixed block 12, and Z-shaped plates 16 are respectively inserted on both sides of the fixed block 12, and the Z-shaped plates 16 are threadedly connected to the bidirectional threaded rod 15. The protruding parts on both sides of the sample placement plate 13 are respectively inserted with connecting rods 17, and the connecting rods 17 are fixed to the top of the Z-shaped plate 16 extending out of the fixed block 12. One end of the connecting rod 17 is fixed with a clamping plate 11 by a bolt. The bidirectional threaded rod 15 is rotated to drive the Z-shaped plates 16 to move toward the middle along the slide groove 14, so that the connecting rod 17 drives the clamping plate 11 to move toward the middle to clamp the sample on the sample placement plate 13. At this time, the position of the sample remains stable.

[0024] In the present utility model, it should be noted that the pressure assembly includes a hydraulic cylinder 3, which is mounted on the top of the fixed frame 2. One end of the hydraulic rod of the hydraulic cylinder 3 passes through the fixed frame 2 and is installed with a pressure plate 5. A pressure sensor is installed at the bottom of the pressure plate 5. The hydraulic cylinder 3 is extended to make the pressure plate 5 drive the pressure sensor to move downward along the slide bar 4 to perform pressure detection on the sample. A collection box 10 is placed on the upper surface of the bottom plate 6 and is located in the cavity surrounded by the limit frame 7. The collection box 10 can collect the waste generated after the sample pressure detection, which is convenient for the staff to centrally handle. The outer walls of the two sides of the collection box 10 are respectively fixed to the limit rods 20 by bolts. Limiting grooves 19 capable of accommodating the sliding of the limiting rod 20 are respectively provided on both sides of 7, and insertion holes are respectively provided at both ends of the limiting frame 7, and plugs 18 capable of limiting the position of the limiting rod 20 are inserted into the insertion holes. When the waste chips in the collection box 10 need to be cleaned, the plug 18 is removed from the insertion hole and the collection box 10 is pulled outward. A sliding groove 14 capable of accommodating the sliding of the Z-shaped plate 16 is provided on the bottom inner wall of the fixed block 12, and two sliding rods 4 capable of guiding the pressure plate 5 are fixed between the fixed frame 2 and the fixed plate 8 by bolts, and the pressure plate 5 is slidably connected to the sliding rods 4, and the bottom plate 6 is fixed to the upper surface of the workbench 1 by bolts.

[0025] Working principle: When it is necessary to perform a pressure test on the sample, first place the sample in the middle position of the upper surface of the sample placement plate 13, and then rotate the bidirectional threaded rod 15 to drive the Z-type plate 16 to move toward the middle along the slide groove 14, so that the connecting rod 17 drives the clamping plate 11 to move toward the middle to clamp the sample on the sample placement plate 13. At this time, the position of the sample remains stable, and then start the hydraulic cylinder 3. The hydraulic cylinder 3 extends to cause the pressure plate 5 to drive the pressure sensor to move downward along the slide rod 4 to perform pressure detection on the sample.

[0026] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A fixed assembly of a pressure testing machine, comprising a workbench (1) and a bottom plate (6), the upper surface of the bottom plate (6) being fixedly connected to a limit frame (7), the top of the limit frame (7) being fixedly connected to a fixed frame (2), the top of the fixed frame (2) being provided with a pressure assembly, the two sides of the fixed frame (2) being fixedly connected to fixed plates (8), a connecting frame (9) being fixedly connected between the two fixed plates (8), a fixing block (12) being welded to the upper surface of the connecting frame (9), the top outer wall of the fixing block (12) being fixedly connected to a sample placement plate (13), characterized in that: A bidirectional threaded rod (15) is movably connected to the annular inner wall of the fixed block (12), and the other end of the bidirectional threaded rod (15) passes through the fixed block (12). Z-shaped plates (16) are respectively inserted on both sides of the fixed block (12), and the Z-shaped plates (16) are threadedly connected to the bidirectional threaded rod (15). The protruding parts on both sides of the sample placement plate (13) are respectively inserted with connecting rods (17), and the connecting rods (17) are fixed to the top end of the Z-shaped plate (16) extending out of the fixed block (12), and one end of the connecting rod (17) is fixedly connected to the clamping plate (11).

2. A fixing assembly for a pressure testing machine according to claim 1, characterized in that: The pressure assembly comprises a hydraulic cylinder (3), which is mounted on the top of a fixed frame (2), one end of a hydraulic rod of the hydraulic cylinder (3) passes through the fixed frame (2) and is mounted with a pressure plate (5), and a pressure sensor is mounted at the bottom of the pressure plate (5).

3. A fixing assembly for a pressure testing machine according to claim 1, characterized in that: Limiting grooves (19) are respectively provided on both sides of the limiting frame (7); a collecting box (10) is placed on the upper surface of the bottom plate (6) and is located in a cavity surrounded by the limiting frame (7); limiting rods (20) are respectively fixedly connected to the outer walls on both sides of the collecting box (10), and the limiting rods (20) are slidably connected to the limiting grooves (19).

4. A fixing assembly for a pressure testing machine according to claim 3, characterized in that: Insertion holes are respectively provided at both ends of the limit frame (7), and latch pins (18) capable of limiting the position of the limit rod (20) are inserted into the insertion holes.

5. A fixing assembly for a pressure testing machine according to claim 1, characterized in that: A sliding groove (14) is provided on the inner wall of the bottom of the fixed block (12), and the Z-shaped plate (16) is slidably connected to the sliding groove (14).

6. A fixing assembly for a pressure testing machine according to claim 2, characterized in that: Two sliding rods (4) are fixedly connected between the fixed frame (2) and the fixed plate (8), and the pressing plate (5) is slidably connected to the sliding rods (4).

7. A fixing assembly for a pressure testing machine according to claim 1, characterized in that: The bottom plate (6) is fixed to the upper surface of the workbench (1) by means of bolts.

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