Universal pressure plate

Abstract

The utility model discloses a universal pressure plate, which belongs to the technical field of test piece clamping equipment and comprises a die shank, a base plate is connected below the die shank through a connecting shaft, a locking ring is mounted on a shaft body of the connecting shaft, four through holes which are distributed in a central symmetry manner by taking the center of the base plate as a circle center are processed on the surface of the base plate, and the locking ring is mounted on the locking ring. Wherein a screw penetrates through each through hole, the lower end of each screw is screwed into a blind hole fixed to the upper surface of the pressure plate, a gasket is fixed to the position below a nut at the upper end of each screw, a spring is installed between each gasket and the base plate, and the universal pressure plate is installed on a testing machine through the locking ring and locked to the fixed position. According to the universal pressure plate, the die handle connecting shaft and the pressure plate are universally connected through the steel balls, so that the angle of the pressure plate can be adjusted to a certain degree in the downward pressing process, the applicability is high, and the problem that a connecting shaft of a traditional fixed connecting structure is broken is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test piece clamping equipment technical field more specifically, relate to a universal pressure disc. BACKGROUND

[0002] In the static test process of different material test pieces, the pressure disc is one of the commonly used fixing clamps, which is used for fixing and clamping the test piece for static test, so as to ensure the stability of the test piece in the test process and improve the test data precision and reliability. The connecting shaft of the existing pressure disc structure is fixedly connected with the pressure disc, which cannot be adjusted in angle according to different pressure test scenes, and the adaptability is not good enough. When the test piece has a certain angle deviation during the test process, the connecting shaft of the fixedly connected pressure disc structure is prone to fracture, which has a safety hazard. UTILITARY MODEL CONTENT

[0003] The utility model discloses a universal pressure disc, the handle connecting shaft of the universal pressure disc is connected with the pressure disc through steel ball and can be adjusted in angle to a certain extent during the pressing process, so the adaptability is higher, and the problem of fracture of the connecting shaft of the traditional fixedly connected structure is reduced.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A universal pressure disc, including handle, the handle lower side is connected with base disc through connecting shaft, the connecting shaft's axle body is installed with locking ring, the base disc surface is processed with four with base disc center as the center center symmetry distribution's through -hole, wherein each through -hole inside all passes through screw, the screw lower end is screwed into the blind hole inside the pressure disc upper surface and the screw upper end nut lower side position is fixed with gasket, the gasket and base disc between all are installed with spring, the locking ring is installed on the testing machine and is locked and fixed position, the pressure disc upper surface and base disc lower surface center position all are processed with arc recess and the arc recess inside fills and places with steel ball.

[0006] As a further optimization of the present scheme, the pressure disc is provided with a temporary limiting assembly, the temporary limiting assembly includes a semicircular ring support, the semicircular ring support has a hollow arc-shaped seat on the upper surface of both ends, and the hollow arc-shaped seat is provided with a hollow arc-shaped seat inside the control area, and the hollow arc-shaped seat is provided with a hollow arc-shaped seat inside the control area. The plug rod passes through the hollow arc-shaped seat, the plug rod is limited by the locking bolt above the hollow arc-shaped seat, the plug rod is fixedly connected with a polygonal plug at the inner end, and the polygonal plug is inserted into the polygonal groove on the side of the pressure disc.

[0007] As further optimization of the scheme, the connecting seat is fixed at the middle position of the semi-circular ring type support, the outer side of the connecting seat is connected to the spherical end through the connecting rod, the spherical end is rotatably embedded in the sleeve, the outer side of the sleeve limits the position of the spherical end inward through the three locking bolts, and the rear end of the sleeve is welded to the concave support plate.

[0008] As further optimization of the scheme, the support plate is fixed to the equipment rack, the diameter of the through hole is greater than the diameter of the screw by three to five centimeters, the upper end of the spring is welded to the lower surface of the gasket, and the lower end of the spring is welded to the upper surface of the base disc.

[0009] As further optimization of the scheme, after the polygonal plug is inserted into the polygonal groove on the side of the pressing plate, the semi-circular ring type support moves synchronously with the pressing plate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] In the utility model, the steel ball structure is filled between the pressing plate and the base disc, the spring, the gasket and the screw structure are combined, the angle can be adjusted to a certain extent during the downward pressing of the pressing plate, the adaptability is high, the angle can be adjusted in multiple directions, and the problem that the connecting shaft of the traditional fixed connection structure is broken is reduced.

[0012] In the utility model, the temporary limiting assembly is designed on the periphery of the pressing plate, the semi-circular ring type support moves synchronously with the pressing plate, the three locking bolts on the periphery of the sleeve limit the position of the spherical end inward, thereby limiting the positions of the semi-circular ring type support and the pressing plate, temporarily fixing the angle adjustment position of the pressing plate, and facilitating subsequent static test. DETAILED DESCRIPTION

[0013] Figure 1 It is a schematic view of the pressing plate connection structure of the utility model;

[0014] Figure 2 It is a schematic view of the temporary limiting assembly installation structure of the utility model;

[0015] Figure 3 It is a schematic view of the structure of the utility model after the polygonal plug is pulled out of the polygonal groove;

[0016] In the drawing: 1, handle; 2, pressing plate; 3, steel ball; 4, locking ring; 5, spring; 6, gasket; 7, screw; 8, through hole; 9, semi-circular ring type support; 10, hollow arc-shaped seat; 11, insertion rod; 12, locking bolt; 13, connecting seat; 14, connecting rod; 15, spherical end; 16, sleeve; 17, support plate; 18, polygonal plug; 19, polygonal groove. DETAILED DESCRIPTION

[0017] In order to make the utility model realizes the technical means, the creation characteristics, achieves the purpose and the efficacy easy to understand, the following further elaborates the utility model by combining with specific drawing.

[0018] In order to solve the existing pressure disc structure its connecting shaft and pressure disc are mostly fixed connection structure, cannot be adjusted according to the angle of different pressure test scene, applicability is not good enough, and when the test process, the test piece appears certain angular deviation, the fixed connection structure of the pressure disc its connecting shaft is easy to break, there is the problem of security risk;

[0019] As shown in Figure 1 The present application includes the handle 1, the handle 1 is connected with the base disc below through the connecting shaft, the shaft of the connecting shaft is installed with the locking ring 4, the surface of the base disc is processed with four through holes 8 which are centrally symmetrically distributed with the center of the base disc as the center, wherein each through hole 8 is penetrated by the screw 7, the lower end of the screw 7 is screwed into the blind hole on the upper surface of the pressure disc 2 and the upper end of the screw 7 is fixed with the gasket 6 below the nut, the spring 5 is installed between the gasket 6 and the base disc, the universal pressure disc is installed on the testing machine by the locking ring 4 and locked in the fixed position, the arc-shaped recess is processed in the center position of the upper surface of the pressure disc 2 and the lower surface of the base disc, and the steel ball 3 is filled and placed in the arc-shaped recess;

[0020] As shown in Figure 2 The temporary limiting assembly is provided on the periphery of the pressure disc 2, the temporary limiting assembly includes the semicircular ring type support 9, the upper surface of both ends of the semicircular ring type support 9 is provided with the hollow arc-shaped seat 10, and the plug rod 11 is penetrated in the control area in the hollow arc-shaped seat 10, and the plug rod 11 is limited by the locking bolt 12 above the hollow arc-shaped seat 10;

[0021] As shown in Figure 3 The plug rod 11 is fixedly connected with the polygonal plug 18 at the inner end, and the polygonal plug 18 is inserted into the polygonal groove 19 on the side of the pressure disc 2 in position;

[0022] As shown in Figure 2 The semicircular ring type support 9 is fixed with the connecting seat 13 at the middle position, the connecting seat 13 is connected to the spherical end 15 through the connecting rod 14 on the outer side, the spherical end 15 is rotatably embedded in the sleeve 16, the sleeve 16 is limited inwardly to the position of the spherical end 15 through the three locking bolts 12 on the outer side, and the rear end of the sleeve 16 is welded to the concave support plate 17;

[0023] Specifically, the support plate 17 is fixed to the equipment rack, used for connecting and fixing all temporary position limiting components, the through hole 8 is 3-5 cm larger in diameter than the screw 7, so that the screw 7 can be offset in the through hole 8 to adjust the angle of the pressure plate 2, the upper end of the spring 5 is welded with the lower surface of the gasket 6, and the lower end of the spring 5 is welded with the upper surface of the base plate, when the pressure plate 2 is adjusted in angle, the spring 5 on the upper side is compressed and the spring 5 on the other side is elongated, so that the angle is finely adjusted, when the position is temporarily fixed, the semicircular ring type support 9 moves synchronously with the pressure plate 2 because the polygonal plug 18 is inserted into the polygonal slot 19 on the side of the pressure plate 2, the spherical end 15 rotates in the sleeve 16, the three locking bolts 12 limit the position of the spherical end 15, and then limit the position of the pressure plate 2, so that the subsequent static test is facilitated.

[0024] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled person in the industry should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal pressure plate, characterized in that: The device includes a mold handle, with a base plate connected to the bottom of the mold handle via a connecting shaft. A locking ring is mounted on the shaft. The base plate has four through holes machined on its surface, symmetrically distributed around the center of the base plate. Each through hole has a screw passing through it. The lower end of the screw is screwed into a blind hole on the upper surface of the pressure plate, and a washer is fixed below the nut on the upper end of the screw. A spring is installed between the washer and the base plate. The locking ring mounts the universal pressure plate on the testing machine and locks it in place. An arc-shaped recess is machined at the center of the upper surface of the pressure plate and the lower surface of the base plate, and steel balls are placed inside the arc-shaped recess.

2. The universal pressure plate according to claim 1, characterized in that: The pressure plate is provided with a temporary limiting component, which includes a semi-circular bracket. Both ends of the semi-circular bracket are provided with hollow arc-shaped seats, and the central control area inside the hollow arc-shaped seats passes through the insertion rod. The insertion rod is limited by the locking bolt above the hollow arc-shaped seat. A polygonal plug is fixedly connected to the inner end of the insertion rod. The polygonal plug is aligned and inserted into the polygonal groove on the side of the pressure plate.

3. A universal pressure plate according to claim 2, characterized in that: A connecting seat is fixed at the middle position of the semi-circular ring bracket. The outer side of the connecting seat is connected to the spherical end via a connecting rod. The spherical end rotates and embeds into the sleeve. The outer side of the sleeve is limited inward by three locking bolts. The rear end of the sleeve is welded to the concave bracket plate.

4. A universal pressure plate according to claim 3, characterized in that: The bracket plate is fixed to the equipment frame. The diameter of the through hole is three to five centimeters larger than the diameter of the screw. The upper end of the spring is welded to the lower surface of the washer, and the lower end of the spring is welded to the upper surface of the base plate.

5. A universal pressure plate according to claim 4, characterized in that: After the polygonal plug is aligned and inserted into the polygonal groove on the side of the pressure plate, the semi-circular bracket moves synchronously with the pressure plate.

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