CN219996755U - Compression testing machine with cleaning device - Google Patents

Abstract

The utility model relates to a pressure testing machine with a cleaning device, which comprises a rack and a testing component connected to the rack, wherein the rack is connected with the cleaning component and a protective cover, the protective cover is used for covering the testing component, the cleaning component comprises a scraping plate which is connected to a lower die in a sliding manner along the horizontal direction, a driving part which is connected to the rack and is used for driving the scraping plate to move along the horizontal direction, and a collecting part which is connected to the rack, and the collecting part is positioned at the tail end of a scraping plate moving track. The lower die is cleaned through the cleaning assembly, and the lower die can be cleaned timely after the compression resistance test is finished, so that the labor cost is reduced, and the test efficiency is improved.

Description

Compression testing machine with cleaning device

Technical Field

The utility model relates to the field of testing machines, in particular to a compression testing machine with a cleaning device.

Background

Compression testing machines are commonly used to test the compressive strength of cement and can also be used to test the compressive strength of other building materials.

Referring to fig. 1, in the prior art, a pressure testing machine includes a mounting base 1, a display 2 disposed on one side of the mounting base 1, a plurality of mutually parallel upright posts 3 are vertically fixed on the mounting base 1, a cross beam is fixed on the top of the upright posts 3, a hydraulic cylinder is fixed on the top of the cross beam, the end part of a piston rod of the hydraulic cylinder is vertically downward disposed, an upper pressing plate 5 is disposed on the end part of the piston rod, a lower pressing plate 6 is disposed on the top of the mounting base 1, the upper pressing plate 5 is connected with a pressure sensor, and the display 2 comprises a processor and a display screen.

In the use, after placing the cube cement piece 7 of pouring on holding down plate 6, drive upper plate 5 through the pneumatic cylinder and follow vertical direction and remove downwards for upper plate 5 extrudees cement piece 7, and when upper plate 5 extrudeed cement piece 7, pressure sensor will measure the pressure and send the treater, shows corresponding numerical value on the display screen after handling through the treater, and form pressure curve, until cement piece 7 is broken, with this crushing resistance that detects cement piece 7.

To above-mentioned technique, after the test, there is the piece that the broken production of cement piece on the holding down plate surface, need pass through manual cleaning, but manual cleaning is comparatively inconvenient, influences test efficiency.

Disclosure of Invention

In order to timely clean scraps on a lower die and accelerate test efficiency, the utility model provides a compression testing machine with a cleaning device.

The utility model provides a compression testing machine with a cleaning device, which adopts the following technical scheme:

the utility model provides a compression testing machine with cleaning device, includes the frame, connects in the test module of frame, test module is including connecting in the lower mould of frame, sliding connection in the last mould of frame, the frame is connected with clearance subassembly, the safety cover that is used for clearing up the lower mould, the safety cover is used for covering and establishes test module, clearance subassembly includes along horizontal direction sliding connection in the scraper blade at lower mould top, connects in the frame and is used for driving the scraper blade along the driving piece that the horizontal direction removed, connects in the frame and is used for collecting the collecting piece of piece, the collecting piece is located the end of scraper blade moving trajectory, scraper blade length direction is unanimous with the horizontal direction, scraper blade length direction and scraper blade moving direction mutually perpendicular.

Through adopting above-mentioned technical scheme, in the use, the cement piece that will test is placed on the lower mould, go up the mould and follow vertical direction downwardly moving, press the cement piece on the lower mould, thereby obtain the compression curve of cement piece, after the cement piece is broken by the pressing action of last mould, go up the mould and upwards move and keep away from the lower mould along vertical direction, receive the blocking effect of safety cover, the probability of piece splash everywhere has been reduced, not only be favorable to the clearance of clearance subassembly, still reduced the probability that operating personnel received the injury, drive the scraper blade through the driving piece and slide along the horizontal direction at the lower mould top during the clearance, the piece is promoted to the piece is got into to the piece is collected to the piece is got into to the piece, clear up the lower mould through the clearance subassembly, can in time clear up after the crushing resistance test is accomplished, not only reduced the human cost has also improved test efficiency.

Optionally, the cleaning assembly further comprises a dust collection pipe, an air suction pump, an air suction pipe and a dust collection part, wherein the dust collection pipe is connected to the top of the lower die in a sliding mode along the horizontal direction, the air suction pump is connected to the frame, the air suction pipe is communicated with the air suction pump and the dust collection pipe, the dust collection pipe is communicated with the dust collection part and the dust collection pipe, a dust collection hole is formed in one side of the dust collection pipe, the length direction of the dust collection hole is consistent with the length direction of the dust collection pipe, and the dust collection hole is formed in one side of the dust collection pipe close to the lower die.

Through adopting above-mentioned technical scheme, after the piece clearance on the drag plate will the lower mould, in order to reduce the piece of remaining on the lower mould, slide along the horizontal direction on the lower mould through the dust absorption pipe, and when the dust absorption pipe removes on the lower mould, bleed through the aspiration pump in to the dust absorption pipe for form negative pressure in the dust absorption pipe, the piece on the lower mould is inhaled in the dust absorption pipe and gets into the collection in the dust collection spare along the aspiration tube.

Optionally, the driving piece is first cylinder, dust absorption pipe and scraper blade all are connected in the piston rod of first cylinder, first cylinder is used for driving dust absorption pipe and scraper blade simultaneously and slides along the horizontal direction at the lower mould top.

Through adopting above-mentioned technical scheme, when driving piece drove the scraper blade and remove along the horizontal direction, the exhaust tube follows the scraper blade and removes, and dust absorption pipe and scraper blade clear up the lower mould simultaneously, have improved cleaning efficiency.

Optionally, the dust absorption pipe is located scraper blade movement track rear, scraper blade lower extreme is towards keeping away from dust absorption pipe one side slope setting.

Through adopting above-mentioned technical scheme, when driving piece drove scraper blade and dust absorption pipe and remove, earlier promote bigger piece on the lower mould surface through the scraper blade, promote bigger piece and get into the collection piece, and the scraper blade slope is provided with and is favorable to promoting the piece and get into the collection piece, and the dust absorption pipe is inhaled the piece that the scraper blade was not cleared up into the dust absorption intraductal and is got into the dust collection piece and collect, can fully clear up the lower mould.

Optionally, piston rod one end of first cylinder is connected with the connecting plate, dust absorption pipe and scraper blade all are connected in the connecting plate, the slot has been seted up along its width direction one side to the connecting plate, the scraper blade is close to connecting plate one side and is connected with the inserted block, the inserted block inlays in the slot, the slot inner wall still is connected with locking component, locking component is used for locking the inserted block in the slot.

Through adopting above-mentioned technical scheme, during installation scraper blade, with the inserted block embedding slot to lock the inserted block in the slot through locking component, during the dismantlement scraper blade, take out the inserted block from the slot, make the inserted block keep away from the slot, drive the scraper blade and keep away from the connecting plate, the scraper blade can dismantle the connection, the dismantlement and the change of the scraper blade of being convenient for.

Optionally, the joint groove has been seted up along scraper blade length direction one side inner wall to the slot, joint groove length direction is unanimous with scraper blade length direction, locking component is including connecting spring, joint piece in the joint groove, spring length direction is unanimous with scraper blade length direction, spring one end is connected in the joint groove inner wall, the spring other end is connected in the joint piece, joint piece is along scraper blade length direction sliding connection in the joint groove, the recess has been seted up along scraper blade length direction one side to the inserted block, spring one end is kept away from to the joint piece and is inlayed in the recess, the joint piece all is equipped with the guide surface along connecting plate width direction both sides, the guide surface is convenient for the inserted block to inlay in the slot or extract from in the slot.

Through adopting above-mentioned technical scheme, when the inserted block embedding slot, in the joint piece embedding recess for the inserted block is connected in the slot steadily, and then makes the scraper blade connect in the connecting plate steadily, when dismantling the scraper blade, pulls out the inserted block in the connecting plate width direction follow the slot, with this makes the scraper blade keep away from the connecting plate, and add the guide surface, makes the inserted block insert or pull out the slot more laborsaving, and the operation is more convenient.

Optionally, the collecting piece is including connecting in guide way, the collecting vat of frame, guide way length direction is unanimous with scraper blade length direction, guide way and collecting vat all are located the end of scraper blade moving track, guide way is connected in lower mould along its width direction one end and is kept away from first cylinder one side, and the other end butt is in the collecting vat, guide way is close to the setting of collecting vat one end downward sloping.

Through adopting above-mentioned technical scheme, when the scraper blade slides at the lower mould top along the horizontal direction, promote the piece from the lower mould top to the guide way in for the piece removes to collecting in the collecting vat along the guide way and gathers, after the piece that collects in the collecting vat is more, takes out the collecting vat from the frame through manual operation after concentrating the clearance.

Optionally, the collecting vat is connected with the mounting panel along its length direction both ends, the mounting panel passes through the bolt and can dismantle the connection in the frame.

Through adopting above-mentioned technical scheme, the collecting vat can dismantle and connect in the frame to this is convenient for operating personnel carries out centralized processing to the piece in the collecting vat.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. after the test is finished, the driving piece drives the scraping plate to move at the top of the lower die along the horizontal direction, so that scraps at the top of the lower die are pushed into the collecting tank by the scraping plate, the dust collection pipe moves along the horizontal direction along with the scraping plate, the scraps which are not cleaned by the scraping plate are sucked into the dust collection pipe and enter the dust collection piece along the exhaust pipe, and the scraps at the top of the lower die are cleaned, so that the labor cost is reduced, and the efficiency is improved;

2. when the inserted block is embedded into the slot, the clamping block is embedded into the groove, so that the inserted block is stably connected into the slot, the scraping plate is stably connected to the connecting plate, when the scraping plate is disassembled, the inserted block is pulled out of the slot along the width direction of the connecting plate, the scraping plate is far away from the connecting plate, the guide surface is additionally arranged, the inserted block is inserted into or pulled out of the slot more labor-saving, and the operation is more convenient.

Drawings

Fig. 1 is a perspective structural view of the related art.

Fig. 2 is a perspective view of the present embodiment.

Fig. 3 is a front view of the present embodiment.

Fig. 4 is a sectional view in the A-A direction in fig. 3 of the present embodiment.

Fig. 5 is a sectional view in the B-B direction in fig. 3 of the present embodiment.

Fig. 6 is a top view of the present embodiment.

Fig. 7 is a sectional view in the C-C direction in fig. 6 of the present embodiment.

Reference numerals illustrate: 1. a mounting base; 2. a display; 3. a column; 4. a cross frame; 5. an upper press plate; 6. a lower pressing plate; 7. a cement block; 100. a base; 110. a protective cover; 111. opening and closing a door; 112. a handle; 113. a first connection hole; 114. a second connection hole; 120. a sliding column; 130. a mounting frame; 140. a support frame; 200. a testing component; 210. a lower die; 220. an upper die; 232. a lifting rod; 300. cleaning the assembly; 310. a scraper; 311. a support plate; 312. inserting blocks; 313. a groove; 320. a first cylinder; 321. a connecting plate; 322. a slot; 323. a through hole; 324. a clamping groove; 330. a collection member; 331. a collection tank; 332. a guide groove; 333. a mounting plate; 340. a dust collection pipe; 341. dust collection holes; 350. an air extracting pump; 360. an exhaust pipe; 361. a filter screen; 370. a collection bag; 400. a locking assembly; 410. a spring; 420. a clamping block; 421. a guide surface.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-7.

The embodiment of the utility model discloses a compression testing machine with a cleaning device. Referring to fig. 2 and 3, the compression testing machine with the cleaning device includes a frame, a testing assembly 200, and a protective cover 110 covering the testing assembly 200. The frame comprises a base 100 and two sliding columns 120 connected to the top of the base 100, wherein the length direction of the sliding columns 120 is consistent with the vertical direction, and the two sliding columns 120 are distributed along the diagonal symmetry line of the lower die 210. The protective cover 110 is connected to the base 100. The test assembly 200 includes a lower mold 210 connected to the top of the base 100, an upper mold 220 slidably sleeved on the sliding column 120 along the vertical direction, and a lifting member connected to the base 100 and used for driving the upper mold 220 to move along the vertical direction. The base 100 is further connected with a cleaning assembly 300, and the cleaning assembly 300 is used for cleaning the surface of the lower die 210.

Referring to fig. 2 and 4, the lifter includes a hydraulic cylinder connected to the inside of the base 100, and a lifter 232 connected to the top of the hydraulic cylinder, the length direction of the lifter 232 is consistent with the vertical direction, and the hydraulic cylinder drives the lifter 232 to move in the vertical direction. The number of the hydraulic cylinders is two, the number of the lifting rods 232 is two, one hydraulic cylinder corresponds to one lifting rod 232, and the two lifting rods 232 are symmetrically distributed along the connecting line of the two sliding columns 120. The top end of the lifting rod 232 is fixedly connected to the upper die 220. The protective cover 110 covers the lower die 210 and the upper die 220, an opening is formed in one side of the protective cover 110, an opening and closing door 111 is further connected to one side of the protective cover 110, the opening and closing door 111 is used for opening and closing the opening, a handle 112 is fixedly connected to one side, away from the protective cover 110, of the opening and closing door 111, and one side, rotating and connecting to the protective cover 110, of the opening and closing door 111.

During the use, open and close door 111 is opened, place the cement piece 7 of waiting to test at lower mould 210 top, will open and close door 111 and close, drive lifter 232 through the pneumatic cylinder and follow lifter 232 and remove along vertical direction for upward mould 220 follows lifter 232 and moves down, upward mould 220 along vertical direction sliding connection slip post 120, makes upward mould 220 be close to lower mould 210 and presses cement piece 7, in order to obtain the compressive curve of cement piece 7. After the test is finished, the cleaning assembly 300 is used for cleaning the scraps on the surface of the lower die 210, so that the labor cost in the cleaning process is reduced, and the test efficiency is improved. And the protective cover 110 can reduce injury to operators caused by splashed scraps during the test.

Referring to fig. 2 and 5, the frame includes a mounting frame 130 connected to the top of the base 100, the mounting frame 130 is disposed on one side of the lower mold 210, and a connection line between the mounting frame 130 and the lower mold 210 is a length direction of the base 100. A first connection hole 113 is formed at one side of the protective cover 110, and the mounting frame 130 is disposed outside the protective cover 110. The cleaning assembly 300 includes a scraper 310 slidably coupled to the top of the lower mold 210 along the length of the base 100, a driving member coupled to the mounting frame 130 for driving the scraper 310 to move, and a collecting member 330 coupled to the top of the base 100. The driving piece is a first cylinder 320, one end of a piston rod of the first cylinder 320 is fixedly connected with a connecting plate 321, and the length direction of the piston rod of the first cylinder 320 is consistent with the length direction of the base 100. And a piston rod of the first cylinder 320 is connected with the connection plate 321 through the first connection hole 113. The length direction of the connecting plate 321 is consistent with the width direction of the base 100, and the length direction of the scraping plate 310 is consistent with the length direction of the connecting plate 321. The top of the scraper 310 is connected with a supporting plate 311, the length direction of the supporting plate 311 is consistent with the length direction of the scraper 310, and the supporting plate 311 is detachably connected with one side of the width direction of the connecting plate 321. One side of the scraper 310 along the width direction is fixedly connected to the bottom of the supporting plate 311, the other side of the scraper 310 is arranged in a downward inclined way towards the side far away from the first air cylinder 320, and the bottom of the scraper 310 is abutted to the top of the lower die 210.

Referring to fig. 5 and 6, the connection plate 321 is provided with two slots 322 along one side of the width direction thereof, and the two slots 322 are distributed at intervals along the length direction of the connection plate 321 at one side of the connection plate 321 far from the first cylinder 320. The support plate 311 is fixedly connected with an inserting block 312 near one side of the connecting plate 321, and the inserting block 312 is embedded in the slot 322. The inner wall of the slot 322 is connected with a locking component 400, and the locking component 400 is used for locking the insert block 312 in the slot 322. The inner walls of the two sides of the slot 322 along the length direction of the connecting plate 321 are provided with clamping grooves 324, and the length direction of the clamping grooves 324 is consistent with the length direction of the connecting plate 321. The locking assembly 400 comprises a spring 410 and a clamping block 420, wherein the length direction of the spring 410 is consistent with the length direction of the connecting plate 321, the clamping block 420 is slidably connected in the clamping groove 324 along the length direction of the connecting plate 321, one end of the spring 410 is fixedly connected to the inner wall of the clamping groove 324, and the other end of the spring 410 is fixedly connected to the clamping block 420. The insert block 312 is provided with grooves 313 along two sides of the length direction of the connecting plate 321, and one end, away from the spring 410, of the clamping block 420 is embedded in the grooves 313. The clamping block 420 is provided with guide surfaces 421 along two sides of the width direction of the connecting plate 321, the guide surfaces 421 are obliquely arranged, and the two guide surfaces 421 are respectively convenient for the insertion block 312 to be inserted into the slot 322 and the insertion block 312 to be pulled out from the slot 322.

Referring to fig. 2, the collecting member 330 includes a collecting groove 331 connected to the top of the base 100, and a guide groove 332 connected to a side of the lower mold 210 remote from the first cylinder 320, the collecting groove 331 having a length direction identical to that of the squeegee 310, and the guide groove 332 having a length direction identical to that of the collecting groove 331. The guide slots 332 serve to guide debris into the collection slots 331. The collecting groove 331 and the guiding groove 332 are both disposed on one side of the lower die 210 far away from the mounting frame 130 along the length direction of the base 100, one side of the guiding groove 332 along the width direction is connected to the lower die 210, and the other side of the guiding groove 332 is disposed obliquely downward and abuts against the top of the collecting groove 331. The collecting tank 331 is connected with a mounting plate 333 along both ends of its length direction, the mounting plate 333 is detachably connected to the base 100 by bolts, and the bolts pass through the mounting plate 333 in the vertical direction and are screwed to the base 100.

In the use process, after the test is finished, the lifting piece drives the upper die 220 to move upwards along the vertical direction, so that the upper die 220 is far away from the lower die 210. The first cylinder 320 drives the connecting plate 321 to move along the length direction of the base 100, and drives the scraping plate 310 and the dust suction pipe 340 to move along the length direction of the base 100, and the scraping plate 310 pushes the scraps on the surface of the lower die 210 into the guide groove 332 and moves into the collecting groove 331 along the guide groove 332. When the scraps exist in the collecting tank 331, the collecting tank 331 is taken out by manual operation by opening the opening and closing door 111, and scraps are intensively treated. The angled arrangement of the scraper 310 facilitates pushing debris into the guide channel 332.

The blade 310 is easily worn out after a long time use, resulting in a reduced cleaning effect of the blade 310 on the lower die 210. The cleaning effect of the blade 310 on the lower die 210 is improved by replacing the blade 310. When the scraper 310 is dismounted, the insert 312 is pulled out of the slot 322, so that the scraper 310 is far away from the connecting plate 321, when the scraper 310 is mounted, the insert 312 is embedded into the slot 322, and the clamping block 420 is embedded into the groove 313, so that the insert 312 is stably connected into the slot 322, and the supporting plate 311 of the scraper 310 is stably connected to the connecting plate 321. The scraper 310 is convenient to disassemble and assemble, and cleaning and replacement of the scraper 310 are facilitated.

Referring to fig. 2 and 7, the frame includes a support 140 connected to the top of the base 100, and the support 140 is connected to the outside of the protective cover 110 and disposed on a side of the lower mold 210 near the mounting frame 130. The second connecting hole 114 is formed on one side of the protection cover 110 near the supporting frame 140. The cleaning assembly 300 further comprises a dust suction pipe 340 connected to the lower end surface of the connecting plate 321, an air suction pump 350 connected to the upper end surface of the supporting frame 140, an air suction pipe 360 used for connecting the air suction pump 350 and the dust suction pipe 340, and a dust collecting piece arranged on the air suction pipe 360. The dust suction pipe 340 is provided at a side of the blade 310 remote from the guide groove 332. The top of the connection plate 321 is provided with a through hole 323 for the suction pipe 360 to pass through along the vertical direction. The pumping pipe 360 is connected to the pumping pump 350 after passing through the through hole 323 and the second connection hole 114 in sequence.

Referring to fig. 7, a dust suction hole 341 through which debris passes is formed at one side of the dust suction pipe 340, and a length direction of the dust suction hole 341 is identical to a length direction of the dust suction pipe 340. The dust suction hole 341 is disposed on a side of the dust suction pipe 340 close to the lower die 210, and the air suction pipe 360 is a hose. The dust collecting part is a collecting bag 370, the collecting bag 370 is arranged under the air suction pump 350, the air suction pipe 360 is communicated with the dust suction pipe 340, the air suction pump 350 and the collecting bag 370, and the collecting bag 370 is detachably connected with the air suction pipe 360, for example, by a clamp or the like. The suction pipe 360 is provided with a filter 361 near one end of the suction pump 350, and the filter 361 is used for blocking chips from entering the suction pump 350.

When the surface of the lower die 210 is cleaned by the scraper blade 310, the dust suction pipe 340 moves along with the scraper blade 310, the suction pipe 340 is pumped by the air suction pump 350, so that negative pressure is formed in the dust suction pipe 340, the chips which are not cleaned by the scraper blade 310 are sucked into the dust suction pipe 340 and are close to the air suction pump 350 along the air suction pipe 360, the chips are blocked by the filter screen 361 and blocked outside the air suction pump 350, and when the air suction pump 350 stops working, the chips fall into the collecting bag 370 under the influence of gravity. The collection bag 370 is removed and the debris within the collection bag 370 is collected.

The implementation principle of the compression testing machine with the cleaning device provided by the embodiment of the utility model is as follows: after the cement block 7 is placed on the top of the lower die 210, the upper die 220 is driven to be pressed downwards by the lifting piece, the compression resistance of the cement block 7 is tested, and after the test is finished, the upper die 220 moves upwards along the vertical direction and is far away from the lower die 210. The scraper 310 and the dust suction pipe 340 are driven to move along the length direction of the base 100 by the first air cylinder 320, the scraps at the top of the lower die 210 are pushed into the guide groove 332 by the scraper 310 and enter the collecting groove 331 along the guide groove 332, the scraps which are not cleaned by the scraper 310 are cleaned by the dust suction pipe 340, the suction pump 350 pumps the dust suction pipe 340, and the scraps are sucked into the dust suction pipe 340 and enter the collecting bag 370 along the suction pipe 360 for collection. The lower die 210 is cleaned by the cleaning assembly 300, so that the labor cost consumed during cleaning is reduced, and the test efficiency is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (5)

1. The utility model provides a compression testing machine with cleaning device, includes the frame, connects in test module (200) of frame, test module (200) are including connecting in lower mould (210) of frame, sliding connection in last mould (220) of frame, its characterized in that: the cleaning device comprises a frame, a cleaning assembly (300) used for cleaning a lower die (210), a protective cover (110), wherein the protective cover (110) is used for covering a testing assembly (200), the cleaning assembly (300) comprises a scraping plate (310) which is connected to the top of the lower die (210) in a sliding manner along the horizontal direction, a driving piece which is connected to the frame and is used for driving the scraping plate (310) to move along the horizontal direction, and a collecting piece (330) which is connected to the frame and is used for collecting scraps, the collecting piece (330) is positioned at the tail end of a moving track of the scraping plate (310), the length direction of the scraping plate (310) is consistent with the horizontal direction, and the length direction of the scraping plate (310) is mutually perpendicular to the moving direction of the scraping plate (310);

the cleaning assembly (300) further comprises a dust collection pipe (340), an air suction pump (350), an air suction pipe (360) and a dust collection piece, wherein the dust collection pipe (340) is connected to the top of the lower die (210) in a sliding mode along the horizontal direction, the air suction pump (350) is connected to the frame, the air suction pipe (360) is communicated with the air suction pump (350) and the dust collection pipe (340), the dust collection pipe (340) is communicated with the dust collection piece and the dust collection pipe (340), a dust collection hole (341) is formed in one side of the dust collection pipe (340), the length direction of the dust collection hole (341) is consistent with the length direction of the dust collection pipe (340), and the dust collection hole (341) is formed in one side, close to the lower die (210), of the dust collection pipe (340).

The driving piece is a first air cylinder (320), the dust suction pipe (340) and the scraping plate (310) are both connected to a piston rod of the first air cylinder (320), and the first air cylinder (320) is used for simultaneously driving the dust suction pipe (340) and the scraping plate (310) to slide along the horizontal direction at the top of the lower die (210);

the utility model discloses a dust collection device, including connecting plate (321) and scraper blade (310), connecting plate (321) are connected with piston rod one end of first cylinder (320), dust absorption pipe (340) all are connected in connecting plate (321) with scraper blade (310), slot (322) have been seted up along its width direction one side to connecting plate (321), scraper blade (310) are close to connecting plate (321) one side and are connected with insert block (312), insert block (312) are inlayed in slot (322), slot (322) inner wall still is connected with locking element (400), locking element (400) are used for locking insert block (312) in slot (322).

2. The compression testing machine with cleaning device according to claim 1, wherein: the dust collection pipe (340) is arranged behind the moving track of the scraping plate (310).

3. The compression testing machine with cleaning device according to claim 1, wherein: the utility model provides a slot (322) has seted up joint groove (324) along scraper blade (310) length direction one side inner wall, joint groove (324) length direction is unanimous with scraper blade (310) length direction, locking subassembly (400) are including connecting spring (410), joint piece (420) in joint groove (324), spring (410) length direction is unanimous with scraper blade (310) length direction, spring (410) one end is connected in joint groove (324) inner wall, the spring (410) other end is connected in joint piece (420), joint piece (420) are along scraper blade (310) length direction sliding connection in joint groove (324), recess (313) are seted up along scraper blade (310) length direction one side to insert piece (312), joint piece (420) are kept away from spring (410) one end and are inlayed in recess (313), joint piece (420) all are equipped with guide plane (421) along connecting plate (321) width direction both sides, guide plane (421) are convenient for insert piece (312) inlay in slot (322) or follow slot (322).

4. The compression testing machine with cleaning device according to claim 1, wherein: the collecting piece (330) comprises a guide groove (332) and a collecting groove (331) which are connected to the frame, the length direction of the guide groove (332) is consistent with that of the scraping plate (310), the guide groove (332) and the collecting groove (331) are both located at the tail end of the moving track of the scraping plate (310), one end of the guide groove (332) in the width direction is connected to one side, far away from the first air cylinder (320), of the lower die (210), the other end of the guide groove is abutted to the collecting groove (331), and one end, close to the collecting groove (331), of the guide groove (332) is obliquely arranged downwards.

5. The compression testing machine with cleaning device according to claim 4, wherein: the collecting tank (331) is connected with mounting plate (333) along its length direction both ends, mounting plate (333) are connected in the frame through the bolt can be dismantled.