CN209356321U - A top-mounted block press - Google Patents

Abstract

The utility model relates to pressure testing machine fields, spacer-type press machine is set on specifically a kind of, including oil cylinder, be parallel to each other fixed upper beam and underbeam by force rod, cushion block locking cylinder is installed in the upper beam, the locking piston rod of the cushion block locking cylinder is arranged straight down, and the end of the locking piston rod is fixedly connected with upper bearing plate；It is corresponding, master cylinder is installed in the underbeam, the piston rod of the master cylinder is arranged vertically upwards, and the top of the piston rod is fixedly connected with lower bearing plate；It is provided with below the upper beam and sets cushion block mechanism.Spacer-type press machine is set in one kind provided by the utility model, has structure simple, cushion block movement is convenient, highly-safe, the features such as pressure measurement is accurate.

Description

A top-mounted block press

technical field

The utility model relates to the field of pressure testing machines, in particular to an upper pad type press.

Background technique

At present, the pressure testing machine is a kind of static force testing machine. It is a common equipment used to test the mechanical properties of materials, parts and components. It has a wide range of uses and is widely used in scientific research units, colleges, quality inspection units and engineering construction. unit. Yet the pressure testing machine in the prior art, a part is mechanical pressure testing machine, and measuring range is relatively small; And the hydraulic pressure testing machine that is used to detect the mechanical property of cement, concrete and steel structure in engineering construction, its measuring range is relatively small. Large, usually need a separate supporting hydraulic station to provide hydraulic pressure, resulting in a large volume of equipment, there are many problems in the process of installation and use

What an inconvenience.

Moreover, due to the different sizes of the objects to be measured, there are currently two solutions: Method 1, by artificially stacking layers of pads on the lower bearing plate, by reducing the distance between the upper bearing plate and the lower bearing plate The test space, so as to accommodate the small volume of the object to be measured; the second method, connect the upper pressure plate with a screw, and drive the upper pressure plate to move vertically through the motor adjustment screw, and then achieve the adjustment of the upper pressure plate and the lower pressure plate. The test space in between can accommodate small volumes of objects to be measured.

In the above method one, since the block itself has a certain weight, placing it on the lower bearing plate will affect the actual measurement accuracy, and there are safety hazards in the process of moving the block, which will affect the work efficiency; in the second method, the screw is used to adjust For the upper bearing plate, due to the thread gap on the screw, the concentricity cannot be guaranteed in the actual measurement, and it is difficult to achieve precise adjustment, so that the measured data cannot be recognized by the international community.

Therefore, how to improve the existing above-mentioned shortcomings and defects so as to better meet the needs of use is a technical problem to be solved urgently by those skilled in the art.

Utility model content

The purpose of this utility model is to overcome the above-mentioned problems of the prior art, and provide an upper cushion block type press, which can adjust the height of the upper pressure bearing plate by moving the cushion block and locking the piston rod buckle, and then achieve the adjustment The test space is adapted to the purpose of measuring objects of different specifications.

Above-mentioned purpose is to realize through following technical scheme:

An upper pad type press, including an oil cylinder, an upper beam and a lower beam fixed parallel to each other by force rods, a pad locking oil cylinder is installed on the upper beam, and the locking of the pad locking oil cylinder The piston rod is set vertically downward, and the end of the locking piston rod is fixedly connected with the upper bearing plate; correspondingly, a main oil cylinder is installed on the lower beam, and the piston rod of the main oil cylinder is set vertically upward, so that A pressure sensor is installed on the top of the piston rod, and the top of the pressure sensor is fixedly connected with the lower bearing plate; an upper pad mechanism is arranged below the upper beam.

Further, the upper pad mechanism includes a plurality of sets of slide rails arranged up and down and corresponding pads, and a U-shaped notch capable of accommodating the locking piston rod is opened on the pads, and along the U-shaped groove A pair of mutually symmetrical support plates are arranged on both sides of the mouth, and the support plates are slidably connected with the slide rails.

Further, the slide rail is L-shaped, and a pair of vertical rollers and a pair of horizontal rollers are respectively provided on the sides of the support plate, the vertical rollers are in contact with the bottom edge of the slide rail, and the The horizontal rollers are in contact with the inner wall of the slide rail.

Further, the inclination of the slide rail in the horizontal direction can be adjusted through an eccentric wheel.

Further, the U-shaped notch is opened along the center of the pad, and the depth of the U-shaped notch is not less than the radius of the pad.

Further, the support plate includes a first support plate and a second support plate which are symmetrical to each other, and the first support plate and the second support plate are engaged respectively through the slots provided on the sides of the spacer.

Further, the thickness of the support plate is smaller than the outer diameter of the vertical rollers.

Further, the outer diameter of the vertical roller is smaller than the height of the slide rail.

Further, a ball head device is arranged on the top of the upper pressure bearing plate, and the end of the locking piston rod is connected with the ball head device.

Further, there are four stress rods, and the upper beam and the lower beam are parallel to each other and sleeve the stress rods.

Further, the block locking oil cylinder is connected with the master oil cylinder and an external controller.

Beneficial effect

The utility model provides an upper pad type press, by connecting the upper pressure bearing plate with the locking piston rod, and by moving the pad and locking the piston rod to buckle the upper pressure bearing plate to achieve the limit. bit purpose. The device has the characteristics of simple structure, convenient pad movement, high safety, and accurate pressure measurement.

Description of drawings

Fig. 1 is the front view of the structure of a kind of upper block type press described in the utility model;

Fig. 2 is a side view of the structure of an upper pad type press according to the utility model;

Fig. 3 is a schematic diagram of an upper pad mechanism of an upper pad type press according to the utility model;

Fig. 4 is a schematic diagram of a support plate of an upper pad type press according to the utility model;

Fig. 5 is a top view of a block and a support plate of an upper block press according to the utility model;

Fig. 6 is a side view of a pad and a support plate of an upper pad type press according to the utility model;

Fig. 7 is a schematic diagram of a ball head device of an upper pad type press according to the utility model.

Detailed ways

The utility model will be described in further detail below according to the accompanying drawings and embodiments.

As shown in Figure 1-2, an upper pad type press includes an oil cylinder, an upper beam 2 and a lower beam 3 fixed parallel to each other through a force rod 1, and a pad is installed on the upper beam 2 to lock Oil cylinder 4, the locking piston rod 5 of the pad locking oil cylinder 4 is arranged vertically downward, and the end of the locking piston rod 5 is fixedly connected with the upper pressure bearing plate 7; correspondingly, on the lower beam 3 A main oil cylinder 6 is installed, and the piston rod (not marked in the figure) of the main oil cylinder 6 is arranged vertically upward, and a pressure sensor (not marked in the figure) is installed on the top of the piston rod, and the top of the pressure sensor is connected with the lower The pressure bearing plate 8 is fixedly connected; an upper pad mechanism 9 is arranged below the upper beam 2 . Specifically, a test space is formed between the upper pressure bearing plate 7 and the lower pressure bearing plate 8. The lower pressure bearing plate 8 is used to place the object to be measured, and the piston rod driven by the main oil cylinder 6 drives the lower pressure bearing plate 8. The pressure bearing plate 8 moves vertically upwards. When the object to be measured collides with the upper pressure bearing plate 7, the pressure sensor starts to obtain the pressure value until the lower pressure bearing plate 8 rises and stops, and the pressure sensor acquires the final pressure value.

As shown in Figures 1-6, in an upper pad type press according to the utility model, the upper pad mechanism 9 includes a plurality of sets of slide rails 92 arranged up and down and corresponding pads 91. A U-shaped notch 94 that can accommodate the locking piston rod 5 is provided on the spacer 91, and a pair of mutually symmetrical support plates 93 are arranged along both sides of the U-shaped notch 94, and the support plates 93 and the Slide rail 92 is slidably connected.

Specifically, the U-shaped notch 94 is opened along the center of the spacer 91 , and the depth of the U-shaped notch 94 is not less than the radius of the spacer 91 . The slide rail 92 is L-shaped, and a pair of vertical rollers 95 and a pair of horizontal rollers 96 are respectively arranged on the sides of the support plate 93, and the vertical rollers 95 are in contact with the bottom edge of the slide rail 92 , the horizontal roller 96 is in contact with the inner wall of the slide rail 92 . The slide rail 92 can adjust its inclination in the horizontal direction through the eccentric wheel. This arrangement is conducive to intelligently controlling the support plate to drive the pad 91 to move forward and backward along the slide rail 92, which is convenient The advancement of the pad 91 is engaged with the locking piston rod 5, which also facilitates the sliding of the pad 91 backwards. In order to prevent the support plate 93 from moving along the locking groove, a groove is provided in the middle of the arc surface of the supporting plate 93, and a groove protrusion is correspondingly provided along the locking groove, and the two can be locked together. In this solution, both the cushion block 91 and the support plate 93 are made of metal steel.

The support plate 93 includes a first support plate 931 and a second support plate 932 that are symmetrical to each other, and the first support plate 931 and the second support plate 932 respectively pass through the slots provided on the side of the spacer 91 Card access. Specifically, the thickness of the support plate 93 is smaller than the thickness of the pad 91; the thickness of the support plate 93 is smaller than the outer diameter of the vertical roller 95; the outer diameter of the vertical roller 95 is smaller than the slider The height of the rail 92.

As shown in FIG. 7 , in order to make the measurement accuracy more accurate, a ball head device 10 is arranged on the top of the upper pressure bearing plate 7 , and the end of the locking piston rod 5 is connected to the ball head device 10 . In this solution, the ball head device shown is hemispherical, the section part is connected with the axis of the upper pressure bearing plate, the spherical arc surface is connected with the end of the locking piston rod 5, and the ball head device can make the upper pressure bearing plate All parts of the plate are evenly stressed.

In the present utility model, there are four stressed rods 1, the upper beam 2 and the lower beam 3 are set parallel to each other on the stressed rods 1, and four pillars are arranged at the bottom of the lower beam 3 , used to support the device.

In order to effectively control the device more accurately and efficiently and obtain pressure data, the pad locking cylinder 4, the master cylinder 6 and the pressure sensor are connected to an external controller.

Working principle: before operation, firstly control the pad locking cylinder 4 to drive the locking piston rod 5 to drive the upper bearing plate 7 to move vertically downward, and wait for the upper bearing plate 7 to drop to the position to be measured The required height of the object, select the pads 91 of different height specifications prepared in advance, and manually allow it to slide forward along the slide rail 92 until the U-shaped notch 94 of the pad 91 is locked with the locking The piston rod 5 buckles (also by driving the eccentric wheel arranged under the slide rail 92, the slide rail 92 in the horizontal initial position is inclined 5-20 degrees to the locking piston rod 5, and at this time on the support plate 93 Under the action of the corresponding vertical rollers 95 and horizontal rollers 96, under the influence of its own gravity, it moves forward along the slide rail 92 until the U-shaped notch 94 of the spacer 91 is engaged with the locking piston rod 5 ), at this time, the pad locking cylinder 4 drives the locking piston rod 5 to move vertically upwards, driving the upper bearing plate 7 and the corresponding pad 91 buckled with the locking piston rod 5 upward until the gap between them is eliminated, at this moment, the pad locking cylinder 4 stops moving and the locking piston rod 5 is locked at the current position. At this time, the object to be measured is placed on the lower pressure bearing plate 8, and the main oil cylinder 6 is controlled to drive the piston to move vertically upward (that is, the lower pressure bearing plate 6 is controlled to drive the object to be measured to move vertically upward). After the measuring object collides with the upper pressure plate 7, the pressure sensor starts to obtain the pressure value, and transmits the corresponding value to the pressure display screen on the controller, until the lower pressure plate 8 rises and stops, and the pressure sensor obtains the final pressure value. After the work is completed, the controller sends a depressurization command to the main cylinder 6, and the main cylinder 6 drives the piston rod to drive the lower pressure plate 8 to move vertically downward and return to its position; at this time, the block locks the cylinder 4 Receive the pressurization command issued by the controller, drive the locking piston rod 5 to drive the upper pressure plate 7 to move vertically downward, and when the preset height is reached, the pressure between the upper and lower pads disappears, and the upper and lower pads 91 The vertical roller 95 on the corresponding support plate 93 falls to the bottom edge of the slide rail 92 again, and then manually allows the spacer 91 to slide out backward along the slide rail 92 (the corresponding slide rail can also be driven by the eccentric wheel 92, make it tilt outwards by 5-20 degrees, and the cushion block 91 slides outwards under the influence of its own gravity), so that the corresponding U-shaped notch 94 on the cushion block 91 is separated from the locking piston rod 5.

The above is only to illustrate the implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, any modification, equivalent replacement, Improvements and the like should all be included within the protection scope of the present utility model.

Claims (10)

1. An upper pad type press, comprising an oil cylinder, an upper beam and a lower beam fixed parallel to each other by a force rod, it is characterized in that a pad locking oil cylinder is installed on the upper beam, and the pad The locking piston rod of the locking oil cylinder is arranged vertically downward, and the end of the locking piston rod is fixedly connected with the upper bearing plate; correspondingly, a main oil cylinder is installed on the lower beam, and the piston rod of the main oil cylinder It is arranged vertically upward, and a pressure sensor is installed on the top of the piston rod, and the top of the pressure sensor is fixedly connected with the lower bearing plate; an upper pad mechanism is arranged below the upper beam. 2. The top block type press according to claim 1, characterized in that, the top block mechanism includes a plurality of sets of slide rails arranged up and down and corresponding block blocks, and on the block blocks A U-shaped notch capable of accommodating the locking piston rod is provided, and a pair of mutually symmetrical support plates are arranged along both sides of the U-shaped notch, and the support plates are slidably connected with the slide rail. 3. The top-mounted block press according to claim 2, wherein the slide rail is L-shaped, and a pair of vertical rollers and a pair of horizontal rollers are respectively arranged on the sides of the support plate. The vertical rollers are in contact with the bottom edge of the slide rail, and the horizontal rollers are in contact with the inner wall of the slide rail. 4. The top block press according to claim 2, wherein the U-shaped notch is opened along the center of the block, and the depth of the U-shaped notch is not less than the The radius of the pad. 5. The top-mounted block press according to claim 2, wherein the support plate comprises a first support plate and a second support plate symmetrical to each other, and the first support plate and the The second supporting boards are engaged respectively through the engaging slots provided on the sides of the pads. 6 . The top block press according to claim 2 , wherein the thickness of the support plate is smaller than the outer diameter of the vertical rollers. 7 . 7 . The top block press according to claim 2 , wherein the outer diameter of the vertical roller is smaller than the height of the slide rail. 8 . 8. An upper pad type press according to claim 1, characterized in that a ball head device is arranged on the top of the upper bearing plate, and the end of the locking piston rod is connected to the ball head unit connection. 9. An upper pad type press according to claim 1, characterized in that there are four stress rods, and the upper beam and the lower beam are sleeved parallel to each other on the stress rods . 10 . The top block press according to claim 1 , wherein the block locking cylinder is connected with the main cylinder and an external controller. 11 .