CN213481878U

CN213481878U - Pressure detection device of stamping tester

Info

Publication number: CN213481878U
Application number: CN202022070100.5U
Authority: CN
Inventors: 郭红娟
Original assignee: Jiangsu Nantai Quality Testing Co ltd
Current assignee: Jiangsu Nantai Quality Testing Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-18
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a stamping testing machine's pressure measurement, concretely relates to stamping testing machine technical field, including examining test table, the top fixed surface who examines test table is provided with the screens board, the top of screens board is provided with the frame, the top surface middle part fixed mounting of frame has the cylinder, and the inside of frame is provided with the lift diaphragm, the top surface of lift diaphragm and the tailpiece of the piston rod portion fixed connection of cylinder. The utility model discloses set up the screens board, screw rod and elastic pressing plate, the screw rod drives elastic pressing plate downwards, elastic pressing plate and test workpiece contact, can fasten test workpiece elasticity, the stability of test workpiece when pressure detection has been guaranteed, avoid test workpiece phenomenon that the skew appears, improve the accuracy of pressure detection data, buffer gear has been set up, the guide block moves about in the guide way, for the lift diaphragm provides directional track, the telescopic link enters into the slide cartridge, spring one produces deformation, cushion impact pressure.

Description

Pressure detection device of stamping tester

Technical Field

The utility model relates to a stamping test machine technical field especially relates to a stamping test machine's pressure measurement.

Background

The metal material bending test is that a metal plate is elastically deformed and then plastically deformed under the pressure of an upper die or a lower die of a bending machine, the metal plate is freely bent at the beginning stage of plastic bending, the metal plate is gradually close to the inner surface of a V-shaped groove of the lower die along with the pressure applied to the metal plate by the upper die or the lower die, the curvature radius and the bending force arm are gradually reduced, and the metal plate is continuously pressurized until the stroke is ended, so that the upper die and the lower die are in three-point close full contact with the metal plate to complete V-shaped bending, namely the bending test.

Patent application publication No. CN 209182149U's utility model discloses a high-speed perforation recording system and impact test equipment can accomplish the test system that the test of perforating of plate material and whole deformation process of complete record, and this test system can carry out high-speed perforation test to plate material based on high-speed impact tester.

However, in actual use, the fixing effect of the test workpiece is poor, and the detection accuracy is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the screens board has been set up, screw rod and elastic pressure plate, the inside of screens board is put into through the breach to experimental work piece, after experimental work piece is put into completely, stir the screw rod, screw rod and locating hole screw thread rotate, the screw rod drives elastic pressure plate downwards this moment, the screw rod is extrudeing spring two when stirring, two shrink of spring produce elastic deformation, elastic pressure plate tightly contacts with experimental work piece, can carry out elastic fastening to experimental work piece, the stability of experimental work piece when pressure detection time measuring has been guaranteed, avoid experimental work piece phenomenon that the skew appears, improve the accuracy of pressure detection data, solve the shortcoming that exists among the prior art, and the pressure detection device of a stamping testing machine who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pressure detection device of a stamping tester comprises a detection table, wherein a clamping plate is fixedly arranged on the top surface of the detection table, a rack is arranged at the top of the clamping plate, a cylinder is fixedly arranged in the middle of the top surface of the rack, a lifting transverse plate is arranged inside the rack, and the top surface of the lifting transverse plate is fixedly connected with the end part of a piston rod of the cylinder;

the top surface of screens board is equipped with places the hole, and the bottom surface of screens board is equipped with the breach, the top surface of screens board is close to the circumference side outer wall of placing the hole and is equipped with the locating hole, the inside embedding of locating hole is provided with the screw rod, the top circumference side outer wall cover of screw rod is equipped with spring two, and the one end of screw rod is connected with elastic pressing plate, the screw rod passes through bearing swing joint with elastic pressing plate.

Preferably, the elastic pressing plates are arranged in two numbers, the two elastic pressing plates are symmetrically arranged along the vertical central axis of the clamping plate, and the two elastic pressing plates are attached to the surface of the test workpiece.

Preferably, the front surface of the detection table is provided with a control panel, and the bottom end surface of the detection table is provided with four supporting legs.

Preferably, the inner wall of frame is equipped with the guide way, the both ends of lift diaphragm are all fixed and are provided with the guide block, guide block and guide way sliding connection.

Preferably, the bottom middle surface of the lifting transverse plate is provided with a sensing punching head, and two sides of the sensing punching head are provided with buffer mechanisms.

Preferably, the buffer mechanism comprises a sliding barrel, one end of the sliding barrel is connected with a telescopic rod, the sliding barrel is connected with the telescopic rod in a sliding mode, one end of the telescopic rod is fixedly connected with a supporting block, the outer walls of the circumferential sides of the telescopic rod and the sliding barrel are sleeved with a first spring, one end of the first spring is fixed to the bottom end of the supporting block, and a rubber ring is arranged at the bottom end of the supporting block.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. through having set up the screens board, screw rod and elastic pressure plate, the inside of screens board is put into through the breach to experimental work piece, after experimental work piece is put into completely, stir the screw rod, screw rod and locating hole screw thread rotate, the screw rod drives elastic pressure plate downwards this moment, the screw rod is extrudeing spring two when stirring, spring two shrink produces elastic deformation, elastic pressure plate tightly contacts with experimental work piece, can carry out elastic fastening to experimental work piece, experimental work piece stability when pressure detection time measuring has been guaranteed, avoid experimental work piece phenomenon that the skew appears, the accuracy of pressure detection data is improved.

2. Through having set up buffer gear, the guide block is movable in the guide way, for the lift diaphragm provides directional track, the rubber circle at first with examine test table contact, the supporting shoe produces ascending thrust to the telescopic link, promotes the telescopic link and enters into the slide cartridge to produce deformation to the extrusion of spring, can cushion towards pressure.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the buffering mechanism of the present invention.

Fig. 3 is a schematic view of the connection structure of the elastic pressing plate and the screw rod of the present invention.

The reference signs are: 1. a detection table; 2. a frame; 3. lifting the transverse plate; 4. a cylinder; 5. a control panel; 6. supporting legs; 7. a buffer mechanism; 71. a slide cylinder; 72. a telescopic rod; 73. a support block; 74. a rubber ring; 75. a first spring; 8. sensing a punch head; 9. a guide groove; 10. a guide block; 11. a clamping plate; 12. a notch; 13. placing holes; 14. a screw; 15. positioning holes; 16. a second spring; 17. and an elastic pressure plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The embodiment is as shown in fig. 1-3, the utility model provides a pressure detection device of a punching tester, which comprises a detection table 1, a clamping plate 11 is fixedly arranged on the top surface of the detection table 1, a frame 2 is arranged on the top of the clamping plate 11, a cylinder 4 is fixedly arranged in the middle of the top surface of the frame 2, a lifting transverse plate 3 is arranged inside the frame 2, and the top surface of the lifting transverse plate 3 is fixedly connected with the end part of a piston rod of the cylinder 4;

the top surface of screens board 11 is equipped with places hole 13, and the bottom surface of screens board 11 is equipped with breach 12, and the top surface of screens board 11 is close to the circumference side outer wall of placing hole 13 and is equipped with locating hole 15, and the inside embedding of locating hole 15 is provided with screw rod 14, and the top circumference side outer wall cover of screw rod 14 is equipped with two springs 16, and the one end of screw rod 14 is connected with elastic pressing plate 17, and screw rod 14 passes through bearing swing joint with elastic pressing plate 17.

As shown in fig. 3, two elastic pressing plates 17 are arranged, the two elastic pressing plates 17 are symmetrically arranged about the vertical central axis of the clamping plate 11, and the two elastic pressing plates 17 are attached to the surface of the test workpiece, so that the test workpiece can be fixed, and the fixing effect is good.

As shown in fig. 1, a control panel 5 is provided on the front surface of the test table 1, and four support legs 6 are installed on the bottom surface of the test table 1 to support the stability of the test table 1.

As shown in fig. 1 and fig. 3, the implementation scenario specifically includes: in practical use, in an initial state, the screw 14 is positioned at the top of the clamping plate 11, a test workpiece is placed into the clamping plate 11 through the notch 12, after the test workpiece is completely placed, the screw 14 is shifted, the screw 14 and the positioning hole 15 rotate in a threaded manner, at the moment, the screw 14 drives the elastic pressing plate 17 to move downwards, the screw 14 pushes the second spring 16 while being shifted, the second spring 16 contracts to generate elastic deformation, the elastic pressing plate 17 is in contact with the test workpiece, the screw 14 is continuously shifted, the elastic pressing plate 17 is tightly contacted with the test workpiece, the elastic pressing plate 17 and the screw 14 move through a bearing, the test workpiece can be elastically fastened, the stability of the test workpiece in pressure detection is ensured, the test workpiece is prevented from being deviated, the accuracy of pressure detection data is improved, the lifting transverse plate 3 drives the stamping sensing head 8, the stamping sensing pressure of the stamping head 8 on the test workpiece is sensed, the data information is processed by the controller signal and transmitted to the display in the control panel 2.

As shown in fig. 1, the inner wall of the frame 2 is provided with a guide groove 9, the two ends of the lifting transverse plate 3 are both fixedly provided with guide blocks 10, and the guide blocks 10 are slidably connected with the guide groove 9 to provide a directional track for the movement of the lifting transverse plate 3.

As shown in fig. 1, the bottom middle surface of the lifting horizontal plate 3 is provided with a sensing punching head 8, both sides of the sensing punching head 8 are provided with a buffer mechanism 7, the sensing punching head 8 is electrically connected with the control panel 2, and the pressure value can be detected by the sensing punching head 8.

As shown in fig. 2, the buffering mechanism 7 includes a sliding cylinder 71, one end of the sliding cylinder 71 is connected with an expansion link 72, the sliding cylinder 71 is slidably connected with the expansion link 72, one end of the expansion link 72 is fixedly connected with a supporting block 73, the outer wall sleeves of the circumferential sides of the expansion link 72 and the sliding cylinder 71 are provided with a first spring 75, one end of the first spring 75 is fixed to the bottom end of the supporting block 73, the bottom end of the supporting block 73 is provided with a rubber ring 74, the rubber ring 74 is in contact with the detection table 1, and the external stamping force is buffered.

As shown in fig. 1-2, the implementation scenario specifically includes: when the device is used, after a test workpiece is fixed on the clamping plate 11, the lifting transverse plate 3 is pushed by the piston rod of the air cylinder 4, the guide block 10 moves in the guide groove 9 to provide a directional track for the lifting transverse plate 3, the lifting transverse plate 3 is moved by the buffer mechanism 7, the rubber ring 74 is firstly contacted with the detection table 1, the support block 73 generates upward thrust on the telescopic rod 72, the telescopic rod 72 is pushed into the sliding barrel 71, the first spring 75 is extruded to generate deformation, and the impact pressure can be buffered.

The utility model discloses the theory of operation:

referring to the attached

drawings

1 and 3 of the specification, the clamping plate 11, the screw 14 and the elastic pressing plate 17 are arranged, a test workpiece is placed into the clamping plate 11 through the notch 12, after the test workpiece is completely placed, the screw 14 is pulled, the screw 14 and the positioning hole 15 rotate in a threaded mode, the screw 14 drives the elastic pressing plate 17 to move downwards, the screw 14 pushes the second spring 16 while being pulled, the second spring 16 contracts to generate elastic deformation, the elastic pressing plate 17 is tightly contacted with the test workpiece, elastic fastening can be conducted on the test workpiece, stability of the test workpiece during pressure detection is guaranteed, the phenomenon that the test workpiece deviates is avoided, and accuracy of pressure detection data is improved.

Referring to the attached drawings 1-2 in the specification, a buffer mechanism 7 is arranged, a guide block 10 moves in a guide groove 9 to provide a directional track for the lifting transverse plate 3, a rubber ring 74 is firstly contacted with the detection table 1, a supporting block 73 generates upward thrust on a telescopic rod 72 to push the telescopic rod 72 into a sliding barrel 71, and a spring 75 is extruded to generate deformation so as to buffer the impact pressure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a pressure measurement of stamping testing machine, is including examining test table (1), its characterized in that: a clamping plate (11) is fixedly arranged on the top end surface of the detection table (1), a rack (2) is arranged at the top of the clamping plate (11), an air cylinder (4) is fixedly arranged in the middle of the top end surface of the rack (2), a lifting transverse plate (3) is arranged inside the rack (2), and the top end surface of the lifting transverse plate (3) is fixedly connected with the end part of a piston rod of the air cylinder (4);

the top surface of screens board (11) is equipped with places hole (13), and the bottom surface of screens board (11) is equipped with breach (12), the top surface of screens board (11) is close to the circumference side outer wall of placing hole (13) and is equipped with locating hole (15), the inside embedding of locating hole (15) is provided with screw rod (14), the top circumference side outer wall cover of screw rod (14) is equipped with spring two (16), and the one end of screw rod (14) is connected with elasticity clamp plate (17), screw rod (14) pass through bearing swing joint with elasticity clamp plate (17).

2. The pressure detection device of a press tester according to claim 1, characterized in that: the test fixture is characterized in that two elastic pressing plates (17) are arranged, the two elastic pressing plates (17) are symmetrically arranged about the vertical central axis of the clamping plate (11), and the two elastic pressing plates (17) are attached to the surface of a test workpiece.

3. The pressure detection device of a press tester according to claim 1, characterized in that: the front surface of the detection table (1) is provided with a control panel (5), and the bottom end surface of the detection table (1) is provided with four supporting legs (6).

4. The pressure detection device of a press tester according to claim 1, characterized in that: the inner wall of frame (2) is equipped with guide way (9), the both ends of lift diaphragm (3) all are fixed and are provided with guide block (10), guide block (10) and guide way (9) sliding connection.

5. The pressure detection device of a press tester according to claim 1, characterized in that: the bottom middle part surface of lift diaphragm (3) is provided with sensing punching press head (8), the both sides of sensing punching press head (8) all are provided with buffer gear (7).

6. The pressure detection device of a press tester according to claim 5, characterized in that: buffer gear (7) are including smooth section of thick bamboo (71), the one end of smooth section of thick bamboo (71) is connected with telescopic link (72), and smooth section of thick bamboo (71) and telescopic link (72) sliding connection, the one end fixedly connected with supporting shoe (73) of telescopic link (72), and the circumference side outer wall cover of telescopic link (72) and smooth section of thick bamboo (71) is equipped with spring one (75), the one end of spring one (75) and the bottom mounting of supporting shoe (73), the bottom of supporting shoe (73) is provided with rubber ring (74).