CN217688350U

CN217688350U - Bending resistance test device for high-hardness bending-resistant PMMA (polymethyl methacrylate) plate

Info

Publication number: CN217688350U
Application number: CN202221821028.8U
Authority: CN
Inventors: 任金泉
Original assignee: Haiyan Jincheng Photoelectric Technology Co ltd
Current assignee: Haiyan Jincheng Photoelectric Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-28
Anticipated expiration: 2032-07-15

Abstract

The application discloses anti PMMA board bending test device of buckling of high rigidity relates to bending test device technical field, which comprises a frame, the top surface fixedly connected with press of frame, the lower extreme of press runs through frame and fixedly connected with clamp plate, four even boards of side fixedly connected with of end are stretched out to the press, four even the board is kept away from the first baffle of the equal fixedly connected with of one end of press, the bottom surface of first baffle is seted up flutedly, the inner wall activity of recess is pegged graft and is had the second baffle. This application at first moves down through press drive even board, first baffle, second baffle and clamp plate, drives the depression bar through the second baffle and moves down and contradict with splint to make splint move down and carry out the centre gripping to PMMA panel, and then reduce PMMA panel when detecting and place the possibility of board separation, and be convenient for detect the anti bending strength of PMMA panel through the clamp plate, it is more convenient when consequently PMMA panel detects.

Description

Bending resistance test device for high-hardness bending-resistant PMMA (polymethyl methacrylate) plate

Technical Field

The application relates to bending resistance test device technical field, especially relates to bending resistance test device of high rigidity anti-bending PMMA board.

Background

The PMMA plate is commonly called organic glass, and is an important thermoplastic plastic which is developed earlier, and the bending strength of the PMMA plate is required to be detected by a bending test device during production of the PMMA plate.

The bending resistance test device needs to clamp the PMMA plate through the two ends of the PMMA plate when the PMMA plate is tested, and then the bending resistance of the PMMA plate can be detected by pushing the compression bar through the press machine, so that the PMMA plate is troublesome to detect.

Disclosure of Invention

In order to improve above-mentioned bending resistance test device and need carry out the centre gripping through the centre gripping to the both ends of PMMA panel with PMMA panel earlier when testing PMMA panel, then just can pass through the bending strength of press push away the depression bar to PMMA panel and detect, consequently comparatively trouble problem when PMMA panel detects, this application provides high rigidity bending resistance PMMA panel bending resistance test device.

This application provides high rigidity PMMA board bending resistance test device that buckles, adopts following technical scheme:

the bending resistance test device for the high-hardness anti-bending PMMA plate comprises a frame, wherein a press machine is fixedly connected to the top surface of the frame, the lower end of the press machine penetrates through the frame and a pressing plate fixedly connected with, four connecting plates are fixedly connected to the side surface of the extending end of the press machine, four connecting plates are kept away from a first baffle fixedly connected with one end of the press machine, a groove is formed in the bottom surface of the first baffle, a second baffle is movably inserted into the inner wall of the groove, a spring is arranged between the top surface of the second baffle and the inner wall of the groove, a sliding groove is formed in one side, opposite to the first baffle, of each of the left baffle and the right baffle, a pressing rod is slidably connected to the inner wall of the sliding groove, the pressing rod is fixedly connected to the side surface of the second baffle, a placing plate is fixedly connected to the bottom surface of the inner wall of the frame, a slot is formed in the top surface of the placing plate, a clamping plate is movably inserted into the inner wall of the slot, and a pressing spring is arranged between the lower end of the clamping plate and the inner wall of the slot.

Through above-mentioned technical scheme, be convenient for drive even board, first baffle, second baffle and clamp plate through the press and move down, drive the depression bar through the second baffle and move down and contradict with splint to make splint move down and carry out the centre gripping to PMMA panel, thereby be convenient for press PMMA panel through the clamp plate, and then be convenient for detect the anti bending strength of PMMA panel.

Optionally, in the bending resistance test device for the high-hardness bending-resistant PMMA plate, the frame is composed of two transverse plates and four vertical plates, and the four vertical plates are distributed on opposite sides of the two transverse plates in a rectangular shape.

Through above-mentioned technical scheme, be convenient for increase the holistic intensity of frame through four riser cooperations.

Optionally, in the bending resistance test device for the high-hardness bending-resistant PMMA plate, the side surfaces of the first baffle and the second baffle are both connected with the side surface of the frame in a sliding manner, and the first baffle and the second baffle are both made of transparent plastic plates.

Through the technical scheme, the connecting plate, the first baffle and the second baffle are pushed by the press machine to move downwards, so that the frame is convenient to seal.

Optionally, in the bending resistance test device for the high-hardness bending-resistant PMMA plate, the number of the springs is several, and the springs are equally divided into four groups and respectively disposed on the inner walls of the four grooves.

Through above-mentioned technical scheme, be convenient for through the cooperation of a plurality of spring make the press drive clamp plate examine time measuring the PMMA panel that the recess was accomodate inside to the second baffle is accomodate to make the press can drive the clamp plate and continue downstream and detect the bending strength of PMMA panel.

Optionally, in the bending resistance test device for the high-hardness bending-resistant PMMA plate, the number of the sliding grooves is a plurality, and the plurality of sliding grooves are equally divided into two groups and are respectively arranged on opposite sides of the left second baffle and the right second baffle.

Through above-mentioned technical scheme, be convenient for make the second baffle accomodate into the recess through the spout and can drive the depression bar and shift up together when inside to reduce the depression bar and block the press and drive the possibility that the clamp plate moved down.

Optionally, in the bending test device for the high-hardness bending-resistant PMMA plate, the number of the pressure bars is equal to that of the sliding grooves, and the pressure bars are arranged on the upper side of the clamping plate.

Through above-mentioned technical scheme, be convenient for move down through the depression bar lapse promotion splint to be convenient for carry out the centre gripping to the PMMA panel of placing on the board through splint.

Optionally, in the bending resistance test device for the high-hardness bending-resistant PMMA plate, the clamping plate is composed of two cylinders and a rubber plate, and the two cylinders are symmetrical with respect to the rubber plate.

Through above-mentioned technical scheme, be convenient for increase the stability of splint when to PMMA panel centre gripping through the rubber slab.

In summary, the present application includes at least the following beneficial effects: 1. the connecting plate, the first baffle, the second baffle and the pressing plate are driven by the press to move downwards, the pressing rod is driven by the second baffle to move downwards and abut against the clamping plate, so that the clamping plate is driven to move downwards and clamp the PMMA plate, the possibility that the PMMA plate is separated from the placed plate during detection is reduced, the bending strength of the PMMA plate is convenient to detect by the pressing plate, and the PMMA plate is more convenient to detect;

2. promote even board, first baffle and second baffle through the press and move down and be convenient for seal the frame to the sweeps that produce when the fracture of PMMA panel blocks through the cooperation of first baffle and second baffle, and then the sweeps that is convenient for reduce and splashes causes the possibility of injury to the operator.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a perspective view of the present application;

fig. 3 is a schematic perspective view of the present application.

In the figure: 1. a frame; 2. a press machine; 3. pressing a plate; 4. connecting plates; 5. a first baffle plate; 6. a groove; 7. a second baffle; 8. a spring; 9. a chute; 10. a pressure lever; 11. placing the plate; 12. a slot; 13. a splint; 14. and (5) pressing a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, fig. 2 and fig. 3 in the drawings of the specification, the present application provides an embodiment: high rigidity bending resistance PMMA board bending test device, including frame 1, frame 1 comprises two diaphragms and four risers, and four risers are the rectangle and distribute in the relative one side of two diaphragms, are convenient for increase the holistic intensity of frame 1 through four riser cooperations.

The top surface fixedly connected with press 2 of frame 1, the lower extreme of press 2 runs through frame 1 and fixedly connected with clamp plate 3, promotes clamp plate 3 through press 2 and moves down and press the PMMA panel to be convenient for detect PMMA panel bending strength.

The side surface of the extending end of the press machine 2 is fixedly connected with four connecting plates 4, one ends of the four connecting plates 4 far away from the press machine 2 are fixedly connected with first baffle plates 5, and the first baffle plates 5 move downwards along with the press machine 2 when the press machine 2 drives the press plate 3 to move downwards through the connecting plates 4; a groove 6 is formed in the bottom surface of the first baffle 5, a second baffle 7 is movably inserted into the inner wall of the groove 6, and the groove 6 is convenient for accommodating the second baffle 7; the side of first baffle 5 and the side of second baffle 7 all with frame 1's side sliding connection, first baffle 5 is transparent plastic board with second baffle 7, promote even board 4, first baffle 5 and second baffle 7 through press 2 and move down and be convenient for seal frame 1 to the sweeps when reducing PMMA panel fracture is from the inside possibility of splashing of frame 1.

Be provided with spring 8 between the top surface of second baffle 7 and the inner wall of recess 6, spring 8's quantity is a plurality of, and a plurality of spring 8 equally divide into four groups and set up respectively at the inner wall of four recesses 6, make press 2 drive clamp plate 3 through the cooperation of a plurality of spring 8 and examine time measuring second baffle 7 accomodate into recess 6 inside to make press 2 can drive clamp plate 3 and continue the downstream and detect the bending strength of PMMA panel.

About two relative one sides of first baffle 5 all seted up spout 9, the inner wall sliding connection of spout 9 has depression bar 10, depression bar 10 fixed connection is in the side of second baffle 7, the quantity of spout 9 is a plurality of, a plurality of spout 9 equally divide into two sets ofly and set up respectively in the relative one side of controlling two second baffles 7, can drive depression bar 10 and together shift up when leading second baffle 7 to accomodate into recess 6 inside through spout 9, thereby reduce depression bar 10 and stop press 2 and drive the possibility that clamp plate 3 moved down.

The board 11 is placed to the bottom surface fixedly connected with of 1 inner wall of frame, the slot 12 has been seted up to the top surface of placing board 11, the inner wall activity of slot 12 is pegged graft and is had splint 13, the quantity of depression bar 10 equals with the quantity of spout 9, depression bar 10 is at the upside of splint 13, be convenient for promote splint 13 through depression bar 10 downstream and move down to be convenient for carry out the centre gripping to the PMMA panel of placing on the board 11 through splint 13, and then reduce PMMA panel and examine the possibility that the time measuring dropped from placing board 11.

Be provided with pressure spring 14 between the lower extreme of splint 13 and the inner wall of slot 12, splint 13 comprises two cylinders and rubber slab, and two cylinders are symmetrical about the rubber slab, and rubber slab surface friction is great to be convenient for increase the stability of splint 13 when to PMMA panel centre gripping.

The working principle is as follows: when the bending resistance test device for the high-hardness bending-resistant PMMA board is used, firstly, the PMMA board is placed on the placing plate 11, then the press machine 2 is started, the connecting plate 4, the first baffle plate 5, the second baffle plate 7 and the pressing plate 3 are driven to move downwards by the press machine 2, the pressing rod 10 is driven to move downwards by the second baffle plate 7 and is abutted against the clamping plate 13, so that the clamping plate 13 moves downwards and clamps the PMMA board; when the press machine 2 drives the press plate 3 to continuously move downwards, the second baffle 7 is made to be accommodated in the groove 6, so that the press plate 3 is made to press the PMMA plate, the bending strength of the PMMA plate is convenient to detect, the frame 1 is sealed through the matching of the first baffle 5 and the second baffle 7, waste chips generated when the PMMA plate is broken are blocked, and the possibility that the splashed waste chips cause injury to an operator is reduced; after the detection is finished, the press machine 2 drives the connecting plate 4, the first baffle plate 5, the second baffle plate 7 and the pressing plate 3 to move upwards, when the second baffle plate 7 drives the pressing rod 10 to move upwards and separate from the clamping plate 13, the pressing plate 13 is pushed to move upwards through the pressure spring 14 and separate from the PMMA plate, and therefore an operator can take the PMMA plate conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. High rigidity is anti buckles PMMA board bending test device, including frame (1), its characterized in that: the pressing machine is characterized in that a pressing machine (2) is fixedly connected to the top face of the frame (1), the lower end of the pressing machine (2) penetrates through the frame (1) and the pressing plate (3), four connecting plates (4) are fixedly connected to the side face of the end, extending out of the pressing machine (2), of the connecting plates (4) are far away from a first baffle (5) fixedly connected to one end of the pressing machine (2), a groove (6) is formed in the bottom face of the first baffle (5), a second baffle (7) is movably inserted into the inner wall of the groove (6), a spring (8) is arranged between the top face of the second baffle (7) and the inner wall of the groove (6), a left baffle and a right baffle are arranged, a sliding groove (9) is formed in one side, opposite to the first baffle (5), a pressing rod (10) is slidably connected to the inner wall of the sliding groove (9), the pressing rod (10) is fixedly connected to the side face of the second baffle (7), a placing plate (11) is fixedly connected to the bottom face of the inner wall of the frame (1), a placing plate (11) is provided with a slot (12), a pressing spring (14) is movably connected to the inner wall of the clamping plate (13).

2. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the frame (1) comprises two diaphragms and four risers, four the riser is the rectangle and distributes two the relative one side of diaphragm.

3. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the side face of the first baffle (5) and the side face of the second baffle (7) are both in sliding connection with the side face of the frame (1), and the first baffle (5) and the second baffle (7) are both transparent plastic plates.

4. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the number of the springs (8) is a plurality, and the springs (8) are equally divided into four groups and are respectively arranged on the inner walls of the four grooves (6).

5. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the number of the sliding grooves (9) is a plurality of, the sliding grooves (9) are equally divided into two groups and are respectively arranged on the opposite sides of the left second baffle plate and the right second baffle plate (7).

6. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the number of the compression bars (10) is equal to that of the sliding grooves (9), and the compression bars (10) are arranged on the upper side of the clamping plate (13).

7. The bending resistance test device for the high-hardness bending-resistant PMMA board as claimed in claim 1, is characterized in that: the clamping plate (13) is composed of two cylinders and a rubber plate, and the two cylinders are symmetrical relative to the rubber plate.