CN210387519U - Pressure detection device of high-pressure casting machine - Google Patents

Abstract

The utility model discloses a high pressure casting machine pressure measurement belongs to the pressure measurement field, a high pressure casting machine pressure measurement, including examining test table, examine test table's top fixedly connected with support frame, the inside fixedly connected with that the top of examining test table just is located the support frame detects places the board, the interior roof fixedly connected with hydraulic telescoping cylinder of support frame, the flexible push rod of bottom fixedly connected with of hydraulic telescoping cylinder, the bottom fixedly connected with activity push pedal of flexible push rod. Can show pressure measurement probe's operating condition and detected data in real time through detecting display device, improve the precision of detected data, the staff accessible is controlled flexible stop device and is dismantled pressure measurement probe from pressure measurement device and detect the maintenance, easy operation, convenient and fast avoids taking place the situation that detection probe detected under unusual situation, improves the precision of detected data.

Description

Pressure detection device of high-pressure casting machine

Technical Field

The invention relates to the field of pressure detection, in particular to a pressure detection device of a high-pressure casting machine.

Background

Casting is one of the basic processes of modern machinery manufacturing industry, casting is used as a metal hot working process, the development of China is gradually mature, casting machinery is all mechanical equipment which can be used for obtaining castings with preset shapes, sizes and performances after smelting metal into liquid meeting certain requirements by using the technology and pouring the liquid into a casting mold, cooling, solidifying and clearing treatment are carried out, and the essence of high-pressure casting is that liquid or semi-liquid metal is filled into a die casting mold at a high speed under the action of high pressure.

The casting mould in the high-pressure casting machine needs to be subjected to pressure test through the casting mould pressure detection device before being put into use, a detection probe in the pressure detection device is damaged due to long-time use, and a worker is required to detach the pressure detection probe from the detection device at regular time for detection and maintenance.

Disclosure of Invention

1. Technical problem to be solved

The pressure detection device comprises a pressure detection probe, a pressure detection device body, a pressure detection device and a pressure detection device, wherein the pressure detection device body is provided with a pressure detection device body, the pressure detection device body is provided with a pressure detection device, and the pressure detection device body is provided with a pressure detection probe.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A pressure detection device of a high-pressure casting machine comprises a detection table, wherein a support frame is fixedly connected to the top of the detection table, a detection placing plate is fixedly connected to the top of the detection table and positioned inside the support frame, a hydraulic telescopic cylinder is fixedly connected to the inner top wall of the support frame, a telescopic push rod is fixedly connected to the bottom of the hydraulic telescopic cylinder, a movable push plate is fixedly connected to the bottom of the telescopic push rod, a mounting plate is fixedly connected to the bottom of the movable push plate, a left telescopic limiting device and a right telescopic limiting device are arranged at the bottom of the mounting plate, a connecting block is arranged at the bottom of the mounting plate, placing grooves are formed in the top of the connecting block, the bottoms of the left telescopic limiting device and the right telescopic limiting device extend into the placing grooves, first clamping grooves are formed in the left side and the right side of the, the bottom fixedly connected with pressure measurement probe of connecting block, it is provided with detection display control device to examine the positive left side of platform, examine the equal fixedly connected with antiskid supporting leg in four corners of platform bottom.

The detection display control device comprises a controller, wherein a signal conversion module, a comparison module, a processing module and a storage module are arranged inside the controller, a display screen is arranged above the front side of the controller, two state display lamps are arranged on the front side of the controller and at the bottom of the display screen, the state display lamps comprise a green normal display lamp and a red alarm display lamp, and two input buttons are arranged on the front side of the controller and at the bottom of the state display lamps at equal intervals.

Preferably, the output of pressure detection probe passes through wire and signal conversion module's input electric connection, the output of input button and storage module's input electric connection, signal conversion module and storage module's output respectively with the input electric connection of contrast module, signal conversion module's output respectively with processing module's input electric connection, processing module respectively with the input electric connection of display screen, green normal display lamp and red warning display lamp.

Preferably, the top of examining test table just is located the equal fixedly connected with locating lever in the left and right sides that detects and place the board, the through hole has all been seted up to the left and right sides of activity push pedal bottom, two through holes are run through respectively and extend to the top of activity push pedal in the top of two locating levers, two the top of locating lever respectively with the interior roof fixed connection of support frame.

Preferably, the left and right telescopic limiting device comprises a limiting shell, a clapboard fixedly connected with the inner side wall of the limiting shell is arranged in the limiting shell, the left side and the right side of the clapboard are fixedly connected with slide bars, the ends of the two slide bars which are deviated from each other are provided with first clamping blocks, the opposite sides of the two first clamping blocks are provided with accommodating cavities matched with the slide bars, the ends of the two slide bars which are deviated from each other are respectively extended into the two accommodating cavities, the sides of the two first clamping blocks which are deviated from each other are respectively penetrated through the limiting shell and extended to the inside of the first clamping groove to be clamped with the first clamping groove, the front sides of the two first clamping blocks and the inside of the limiting shell are respectively and fixedly connected with limiting rods which are extended from back to front, the positive left and right sides of spacing casing all sets up the expansion gap that two levels set up, two the one end that first fixture block was kept away from to the gag lever post runs through two expansion gaps respectively and extends to the front of spacing casing.

Preferably, two the top and the bottom of first fixture block just are located the equal fixedly connected with slider in the inside of spacing casing, the spout that four levels set up is seted up corresponding four sliders respectively to the interior roof and the interior diapire of spacing casing, four the slider respectively with four spout sliding connection.

Preferably, two all the cover is equipped with reset spring on the slide bar, two the relative one end of reset spring respectively with the left and right sides fixed connection of baffle, two the one end that the reset spring deviates from mutually respectively with first fixture block opposite side fixed connection.

Preferably, the distance between one side of the sliding groove close to the first clamping groove and the partition plate is smaller than the distance between one end of the sliding rod close to the first clamping groove and the partition plate.

Preferably, two equal fixedly connected with stoppers in the front that drive the gag lever post, two the positive top of stopper all alternates and is provided with the threaded rod, the left and right sides that just is located two activity mouthful tops respectively of the front of spacing casing all sets up threaded hole, two the threaded rod respectively with be close to the screw hole threaded connection of first draw-in groove.

Preferably, two second clamping grooves are formed in the inner bottom wall of the placing groove from left to right, second clamping blocks are clamped in the second clamping grooves, and the tops of the two second clamping blocks are fixedly connected with the bottom of the limiting shell respectively.

Preferably, the two through holes are respectively matched with the two positioning rods, and the inner walls of the two through holes and the outer surfaces of the two positioning rods are smooth.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the pressure range of the pressure casting mold can be set in the storage module through the input button, then the pressure detection probe can be driven to move downwards and contact with the casting mold of the casting machine through the mutual matching of the hydraulic telescopic cylinder, the telescopic push rod and the movable push plate, the pressure value of the casting mold of the casting machine is detected, the pressure detection probe transmits a detected pressure signal to the detection display control device, the working state and detection data of the pressure detection probe can be displayed in real time through the detection display device, the precision of the detection data is improved, a worker can detach the pressure detection probe from the pressure detection device through the left and right telescopic limiting devices for detection and maintenance, the operation is simple, convenience and rapidness are achieved, the situation that the detection probe detects under an abnormal situation is avoided, and the precision of the detection data is improved.

(2) The pressure range of the casting machine casting mold needing to be detected is input into the storage module through the input button, the pressure detection probe transmits detection data to the signal conversion module in the detection process, the signal conversion module converts the data and transmits the data to the processing module, the data comparison is carried out through the comparison module, when the detection data exceeds the set range, the processing module energizes the red alarm display lamp and continuously flickers, alarm and prompt are carried out, meanwhile, the numerical value is displayed on the display screen, the detection and maintenance of maintenance personnel are facilitated, when the detection data is in the set range, the green normal display lamp is energized and lightened by the processing module, meanwhile, the numerical value is displayed on the display screen, and the reading and recording of the working personnel are facilitated.

(3) When needing to dismantle pressure detection probe from the mounting panel and getting off and overhaul, through applying horizontal migration's power to the direction of keeping away from first draw-in groove to the gag lever post, drive first fixture block and contract and separate with first draw-in groove to the adduction of spacing casing, the slide bar is deepened gradually and is held the intracavity simultaneously, separates completely to first fixture block and can dismantle pressure detection probe get off easy operation, convenient and fast.

(4) Through mutually supporting of locating lever and through hole, can play the spacing and guide effect of up-and-down motion to the activity push pedal, can reset first fixture block through reset spring elastic power, can make the joint effect of first fixture block and first draw-in groove better simultaneously, and then make pressure measurement probe's installation effect better.

(5) Through mutually supporting of slider and spout, can play spacing and the effect of direction to first fixture block side to side movement, avoid first fixture block movement track to change, can play the fixed effect in location to the stopper through mutually supporting of threaded rod and screw hole.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the invention at B of FIG. 1;

FIG. 4 is a front sectional view of the telescopic position limiter and the mounting connection in accordance with the present invention;

FIG. 5 is an enlarged view of FIG. 2 at C;

FIG. 6 is a front view of the connection between the movable port and the stop lever according to the present invention;

FIG. 7 is a half-sectional view of the inspection display control device according to the present invention;

fig. 8 is a schematic diagram of the present invention.

The reference numbers in the figures illustrate:

1. a detection table; 2. a support frame; 3. detecting the placing plate; 4. a hydraulic telescopic cylinder; 5. a telescopic push rod; 6. a movable push plate; 7. mounting a plate; 8. a telescopic limiting device; 81. a limiting shell; 82. a partition plate; 83. a slide bar; 84. a first clamping block; 85. an accommodating cavity; 86. a limiting rod; 87. a movable opening; 9. connecting blocks; 10. a placement groove; 11. a first card slot; 12. a pressure detection probe; 13. detecting a display control device; 131. a controller; 1311. a signal conversion module; 1312. a comparison module; 1313. a processing module; 1314. a storage module; 132. a display screen; 133. a status display light; 1331. a green normal display lamp; 1332. a red alarm display light; 134. an input button; 14. anti-skid support legs; 15. positioning a rod; 16. a through hole; 17. a slider; 18. a chute; 19. a return spring; 20. a limiting block; 21. a threaded rod; 22. a threaded hole; 23. a second card slot; 24. and a second clamping block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-8, a pressure detection device for a high-pressure casting machine comprises a detection table 1, a support frame 2 is fixedly connected to the top of the detection table 1, a detection placing plate 3 is fixedly connected to the top of the detection table 1 and positioned inside the support frame 2, a hydraulic telescopic cylinder 4 is fixedly connected to the inner top wall of the support frame 2, a telescopic push rod 5 is fixedly connected to the bottom of the hydraulic telescopic cylinder 4, a movable push plate 6 is fixedly connected to the bottom of the telescopic push rod 5, a mounting plate 7 is fixedly connected to the bottom of the movable push plate 6, a left telescopic limiting device 8 and a right telescopic limiting device 8 are arranged at the bottom of the mounting plate 7, a connecting block 9 is arranged at the bottom of the mounting plate 7, a placing groove 10 is formed at the top of the connecting block 9, the bottoms of the left telescopic limiting devices 8 and the right telescopic limiting devices 8 extend into the placing groove 10, first clamping grooves 11 are, the bottom of the connecting block 9 is fixedly connected with a pressure detection probe 12, the left side of the front surface of the detection table 1 is provided with a detection display control device 13, four corners of the bottom of the detection table 1 are fixedly connected with anti-skid supporting legs 14, firstly, a casting machine casting mold needing pressure detection is placed on the detection placing plate 3, and then the pressure detection probe 12 can be driven to move downwards and contact with the casting machine casting mold through the mutual matching of the hydraulic telescopic cylinder 4, the telescopic push rod 5 and the movable push plate 6, so that the pressure value of the casting machine casting mold is detected.

The detection display control device 13 comprises a controller 131, a signal conversion module 1311, a comparison module 1312, a processing module 1313 and a storage module 1314 are arranged in the controller 131, a display screen 132 is arranged above the front of the controller 131, two status display lamps 133 are arranged on the front of the controller 131 and at the bottom of the display screen, the two status display lamps 133 comprise a green normal display lamp 1331 and a red alarm display lamp 1332, two sets of input buttons 134 which are arranged equidistantly are arranged on the front of the controller 131 and at the bottom of the status display lamps 133, a pressure detection probe 12 transmits a detected pressure signal to the detection display control device 13, a pressure range of the pressure casting mold can be set in the storage module 1314 through the input buttons 134, and a working state can be transmitted to the status display lamps 133 through the mutual matching of the signal conversion module 1311, the comparison module 1312 and the processing module 1313, simultaneously with test value display convenient to work personnel reading above display screen 132, when green normal display lamp 1331 is bright, pressure measurement probe 12 is normal, when red alarm display lamp 1332 is bright, explains that pressure measurement probe 12 is unusual, and flexible stop device 8 is dismantled pressure measurement probe 12 from pressure measurement device and is got off to detect the maintenance about the staff's accessible, easy operation, convenient and fast.

Further, the output end of the pressure detecting probe 12 is electrically connected to the input end of the signal conversion module 1311 through a wire, the output end of the input button is electrically connected to the input end of the storage module 1314, the output ends of the signal conversion module 1311 and the storage module 1314 are electrically connected to the input end of the comparison module 1312, the output end of the signal conversion module 1311 is electrically connected to the input end of the processing module 1313, the processing module 1313 is electrically connected to the input ends of the display screen 132, the green normal display lamp 1331 and the red alarm display lamp 1332, first, the pressure range of the casting mold to be detected is input into the storage module 1314 through the input button 134, the pressure detecting probe 12 transmits the detected data to the signal conversion module 1311 during the detection process, the signal conversion module 1311 converts the data and transmits the converted data to the processing module 1313 and performs data comparison through the comparison module 1312, when the detected data is out of the set range, the processing module 1313 energizes the red warning display lamp 1332 and continuously flashes to give a warning and a prompt, and at the same time, displays the numerical value on the display screen 132, and when the detected data is within the set range, the processing module 1313 energizes the green normal display lamp 1331 to light up, and at the same time, displays the numerical value on the display screen 132.

Further, examine the top of test table 1 and be located the equal fixedly connected with locating lever 15 in the left and right sides that the board 3 was placed in the detection, through hole 16 has all been seted up to the left and right sides of activity push pedal 6 bottom, two through holes 16 are run through respectively and extend to the top of activity push pedal 6 on the top of two locating levers 15, the top of two locating levers 15 respectively with the interior roof fixed connection of support frame 2, through mutually supporting of locating lever 15 and through hole 16, can play spacing and guide effect of up-and-down motion to activity push pedal 6.

Further, the left-right telescopic limiting device 8 comprises a limiting shell 81, a partition plate 82 fixedly connected with the inner side wall of the limiting shell 81 is arranged inside the limiting shell 81, slide rods 83 are fixedly connected to the left side and the right side of the partition plate 82, first clamping blocks 84 are arranged at the ends of the two slide rods 83 which deviate from each other, accommodating cavities 85 matched with the slide rods 83 are formed in one sides of the two first clamping blocks 84 which drive the first clamping blocks 84 to be opposite, one ends of the two slide rods 83 which deviate from each other extend into the two accommodating cavities 85 respectively, one sides of the two first clamping blocks 84 which deviate from each other equally penetrate through the limiting shell 81 and extend into the first clamping groove 11 to be clamped with the first clamping groove 11, limiting rods 86 extending backwards and forwards are fixedly connected to the front sides of the two first clamping blocks 84 and located inside the limiting shell 81, two horizontally-arranged movable openings 87 are formed in the left side and the right side of the front side of the limiting shell 81, and one ends of the two limiting rods 86 When the pressure detection probe 12 needs to be detached from the mounting plate 7 for maintenance, the force of horizontal movement is applied to the direction away from the first clamping groove 11 through the limiting rod 86, the first clamping block 84 is driven to contract towards the inner part of the limiting shell 81 and separate from the first clamping groove, meanwhile, the sliding rod 83 gradually penetrates into the accommodating cavity 85, and the pressure detection probe 12 can be detached until the first clamping block 84 is completely separated.

Further, the top and the bottom of two first fixture blocks 84 are located the equal fixedly connected with slider 17 in the inside of spacing casing 81, the interior roof and the interior bottom wall of spacing casing 81 correspond four sliders 17 respectively and set up the spout 18 that four levels set up, four sliders 17 respectively with four spout 18 sliding connection, through the mutually supporting of slider 17 and spout 18, can play spacing and guide's effect to the side-to-side movement of first fixture block 84, avoid first fixture block 84 movement track to change.

Furthermore, all the two slide bars 83 are sleeved with return springs 19, the opposite ends of the two return springs 19 are respectively fixedly connected with the left side and the right side of the partition 82, the opposite ends of the two return springs 19 are respectively fixedly connected with the opposite sides of the first clamping block 84, the first clamping block 84 can be reset through the elastic force of the return springs 19, and meanwhile, the clamping effect of the first clamping block 84 and the first clamping groove 11 can be better, so that the installation effect of the pressure detection probe 12 is better.

Further, the distance between one side of the sliding groove 18 close to the first engaging groove 11 and the partition 82 is smaller than the distance between one end of the sliding rod 83 close to the first engaging groove 11 and the partition 82, so that the sliding rod 83 is prevented from being separated from the first engaging block 84.

Furthermore, the front sides of the two driving limiting rods 86 are fixedly connected with limiting blocks 20, threaded rods 21 are inserted above the front sides of the two limiting blocks 20, threaded holes 22 are respectively formed in the front sides of the limiting shell 81 and the left and right sides of the front sides of the two movable openings 87, the two threaded rods 21 are respectively in threaded connection with the threaded holes 22 close to the first clamping grooves 11, the limiting blocks 20 can be positioned and fixed through the mutual matching of the threaded rods 21 and the threaded holes 22, when the pressure detection probe 12 needs to be taken off from the telescopic limiting device 8, the threaded rods 21 are in threaded connection with the threaded holes 22 far away from the first clamping grooves 11, the limiting blocks 20 can be positioned, when the pressure detection probe 12 needs to be installed and fixed, only the threaded rods 21 need to be in threaded connection with the threaded holes 22 close to the first clamping grooves 11, and the limiting blocks 20 can be positioned, the clamping effect of the first clamping block 84 and the first clamping groove 11 is further better, and the installation effect of the pressure detection probe 12 is further better.

Further, two second clamping grooves 23 have been seted up from a left side to the right side on the diapire in the standing groove 10, and the equal joint in inside of two second clamping grooves 23 has second fixture block 24, and the top of two second fixture blocks 24 respectively with the bottom fixed connection of spacing casing 81, can make pressure measurement probe 12's installation effect better through mutually supporting of second fixture block 24 and second clamping groove 23.

Further, two through holes 16 respectively with two locating levers 15 looks adaptations, and the inner wall of two through holes 16 and the surface of two locating levers 15 are all smooth, through all setting up two through holes 16 and two locating levers 15 to smooth, reducible locating lever 15's wearing and tearing.

The working principle is as follows: when detecting the pressure of the casting mold of the casting machine, firstly, the pressure range of the casting mold of the casting machine to be detected is input into the storage module 1314 through the input button 134 on the detection display control device 13 and is kept in the controller 131, the casting mold of the casting machine to be detected is placed on the detection placing plate 3, then the pressure detection probe 12 can be driven to move downwards and contact with the casting mold of the casting machine through the mutual matching of the hydraulic telescopic cylinder 4, the telescopic push rod 5 and the movable push plate 6, the pressure value of the casting mold is detected, the pressure detection probe 12 transmits the detection data to the signal conversion module 1311, the signal conversion module 1311 converts the data and transmits the data to the processing module 1313, the data is compared through the comparison module 1312, when the detection data is in the set range, the processing module 1313 energizes the green normal display lamp 1331 and simultaneously displays the numerical value on the display screen 132, the worker can read the record conveniently;

when the detected data exceeds the set range, the processing module 1313 energizes the red alarm display lamp 1332 and continuously flashes to alarm and prompt, and simultaneously displays the numerical value on the display screen 132, so as to facilitate the detection and maintenance of the maintenance personnel, then the maintenance personnel applies a horizontal moving force to the limiting block 20 in a direction away from the first card slot 11 to drive the limiting rod 86 to move in a direction away from the first card slot 11, the limiting rod 86 moves to drive the first fixture 84 to retract inwards of the limiting shell 81 and separate from the first card slot, meanwhile, the sliding rod 83 gradually penetrates into the accommodating cavity 85 until the first fixture 84 is completely separated, then the threaded rod 21 is in threaded connection with the threaded hole 22 away from the first card slot 11 to position the limiting block 20, and finally a downward pulling force is applied to the pressure detection probe 12 to separate the second fixture 24 from the second card slot 23, so that the pressure detection probe 12 can be detached, the detection probe is simple to operate, convenient and fast, the detection condition of the detection probe under the abnormal condition is avoided, and the precision of the detection data is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (10)

1. The utility model provides a high pressure casting machine pressure measurement, is including examining test table (1), its characterized in that: the detection device is characterized in that a support frame (2) is fixedly connected to the top of the detection table (1), a detection placing plate (3) is fixedly connected to the top of the detection table (1) and is positioned inside the support frame (2), a hydraulic telescopic cylinder (4) is fixedly connected to the inner top wall of the support frame (2), a telescopic push rod (5) is fixedly connected to the bottom of the hydraulic telescopic cylinder (4), a movable push plate (6) is fixedly connected to the bottom of the telescopic push rod (5), a mounting plate (7) is fixedly connected to the bottom of the movable push plate (6), left and right telescopic limiting devices (8) are arranged at the bottom of the mounting plate (7), a connecting block (9) is arranged at the bottom of the mounting plate (7), placing grooves (10) are formed in the top of the connecting block (9), and the bottoms of the left and right telescopic limiting devices (8) extend, the left side and the right side of the inner wall of the placing groove (10) are respectively provided with a first clamping groove (11), the connecting block (9) is respectively clamped with the two first clamping grooves (11) through a left telescopic limiting device and a right telescopic limiting device (8), the bottom of the connecting block (9) is fixedly connected with a pressure detection probe (12), the left side of the front side of the detection table (1) is provided with a detection display control device (13), and four corners of the bottom of the detection table (1) are respectively fixedly connected with anti-skidding supporting legs (14);

the detection display control device (13) comprises a controller (131), a signal conversion module (1311), a comparison module (1312), a processing module (1313) and a storage module (1314) are arranged inside the controller (131), a display screen (132) is arranged above the front face of the controller (131), two state display lamps (133) are arranged on the front face of the controller (131) and at the bottom of the display screen, the two state display lamps (133) comprise a green normal display lamp (1331) and a red alarm display lamp (1332), and two sets of input buttons (134) which are arranged equidistantly are arranged on the front face of the controller (131) and at the bottom of the state display lamps (133).

2. The pressure detection device of the high-pressure casting machine according to claim 1, wherein: the output end of the pressure detection probe (12) is electrically connected with the input end of a signal conversion module (1311) through a lead, the output end of the input button is electrically connected with the input end of a storage module (1314), the output ends of the signal conversion module (1311) and the storage module (1314) are respectively electrically connected with the input end of a comparison module (1312), the output end of the signal conversion module (1311) is respectively electrically connected with the input end of a processing module (1313), and the processing module (1313) is respectively electrically connected with the input ends of a display screen (132), a green normal display lamp (1331) and a red alarm display lamp (1332).

3. The pressure detection device of the high-pressure casting machine according to claim 1, wherein: the top of detecting platform (1) just is located the equal fixedly connected with locating lever (15) in the left and right sides that detects and place board (3), through hole (16) have all been seted up to the left and right sides of activity push pedal (6) bottom, the top of two locating levers (15) runs through two through holes (16) respectively and extends to the top of activity push pedal (6), two the top of locating lever (15) respectively with the interior roof fixed connection of support frame (2).

4. The pressure detection device of the high-pressure casting machine according to claim 1, wherein: the left and right telescopic limiting device (8) comprises a limiting shell (81), a partition plate (82) fixedly connected with the inner side wall of the limiting shell (81) is arranged in the limiting shell (81), slide rods (83) are fixedly connected to the left and right sides of the partition plate (82), first clamping blocks (84) are arranged at the ends, deviating from the two slide rods (83), of the two slide rods (83), accommodating cavities (85) matched with the slide rods (83) are formed in one sides, opposite to the two first clamping blocks (84), of the two slide rods (83), one ends, deviating from the two slide rods (83), of the two first clamping blocks (84) respectively penetrate through the limiting shell (81) and extend to the inside of the first clamping groove (11) to be clamped with the first clamping groove (11), and limiting rods (86) extending from back to front are fixedly connected to the front sides, located in the limiting shell (81), of the two first clamping blocks (84), two movable openings (87) which are horizontally arranged are formed in the left side and the right side of the front face of the limiting shell (81), and one end, far away from the first clamping block (84), of the limiting rod (86) penetrates through the two movable openings (87) respectively and extends to the front face of the limiting shell (81).

5. The pressure detection device of the high-pressure casting machine according to claim 4, wherein: the top and the bottom of two first fixture block (84) just are located equal fixedly connected with slider (17) in the inside of spacing casing (81), the interior roof and the interior diapire of spacing casing (81) correspond four sliders (17) respectively and set up four horizontal sliding grooves (18) that set up, four slider (17) respectively with four sliding grooves (18) sliding connection.

6. The pressure detection device of the high-pressure casting machine according to claim 4, wherein: all overlap on two slide bar (83) and be equipped with reset spring (19), two the relative one end of reset spring (19) respectively with the left and right sides fixed connection of baffle (82), two the one end that deviates from mutually of reset spring (19) respectively with first fixture block (84) opposite side fixed connection.

7. The pressure detection device of the high-pressure casting machine according to claim 5, wherein: the distance between one side of the sliding groove (18) close to the first clamping groove (11) and the partition plate (82) is smaller than the distance between one end of the sliding rod (83) close to the first clamping groove (11) and the partition plate (82).

8. The pressure detection device of the high-pressure casting machine according to claim 4, wherein: two equal fixedly connected with stoppers (20) in front that drive gag lever post (86), two stopper (20) positive top all alternates and is provided with threaded rod (21), threaded hole (22) are all seted up, two in the left and right sides that just is located two activity mouth (87) tops respectively in the front of spacing casing (81) threaded rod (21) respectively with threaded hole (22) threaded connection who is close to first draw-in groove (11).

9. The pressure detection device of the high-pressure casting machine according to claim 1, wherein: two second clamping grooves (23) are formed in the inner bottom wall of the placing groove (10) from left to right, second clamping blocks (24) are clamped in the second clamping grooves (23), and the tops of the second clamping blocks (24) are fixedly connected with the bottom of the limiting shell (81) respectively.

10. The pressure detection device of the high-pressure casting machine according to claim 3, wherein: two through hole (16) respectively with two locating lever (15) looks adaptations, and the inner wall of two through hole (16) and the surface of two locating lever (15) are all smooth.

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