CN216329236U

CN216329236U - Heat preservation plate cutting machine

Info

Publication number: CN216329236U
Application number: CN202122902893.7U
Authority: CN
Inventors: 蒋俊
Original assignee: Sichuan Xingye Geotechnical Engineering Testing Co ltd
Current assignee: Sichuan Xingye Geotechnical Engineering Testing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-19
Anticipated expiration: 2031-11-24

Abstract

The application relates to a heat preservation plate cutting machine, and belongs to the technical field of building material cutting equipment. The test block cutting machine comprises a frame, be provided with the cutting bed that is used for placing the test block in the frame, fixed subassembly is used for fixing the test block on the cutting bed, be provided with the rip cutting subassembly in the frame, the rip cutting subassembly is used for vertically cutting the test block, still be provided with the crosscut subassembly in the frame, the crosscut subassembly is used for transversely cutting the test block, just be connected with the cutting bed in the frame and be provided with lifting unit, lifting unit is used for driving the cutting bed and goes up and down. This application has the effect of being convenient for cut the thickness of test block.

Description

Heat preservation plate cutting machine

Technical Field

The application relates to the technical field of building material cutting equipment, in particular to a heat-insulation plate cutting machine.

Background

The heat insulation of buildings is an important aspect of saving energy, improving living environment and using function. The proportion of building energy consumption in the whole human energy consumption is generally 30-40%, and most of the energy consumption is energy consumption of heating and air conditioning, so that the building energy saving significance is great. The heat-insulating plate is a wall heat-insulating building material and has wide application in the building industry. The heat-insulating board can collect redundant heat, releases the heat stably in due time, has small gradient change, effectively reduces the loss amount and has good effect on building energy conservation.

In actual construction, the internal quality (compressive strength, flexural strength, frost resistance, impermeability and the like), the surface quality and the overall dimension quality of the heat-insulating slurry and the foam concrete need to be detected, and the heat conductivity coefficients of the heat-insulating slurry and the foam concrete need to be detected to ensure that the heat-insulating slurry and the foam concrete can meet the use requirements. When the heat preservation slurry and the foam concrete are detected, the heat preservation slurry and the foam concrete need to be cut into test blocks of 300mm x 30mm, and then follow-up tests are carried out.

In view of the above-mentioned related technologies, the inventor believes that the cutting equipment on the market at present can only cut the length and width dimensions of the test block, and cannot cut the thickness of the test block.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the thickness to the test block to cut, this application provides a heat preservation panel cutting machine.

The application provides a heat preservation panel cutting machine adopts following technical scheme:

the utility model provides an insulation board cutting machine, includes the frame, be provided with the cutting bed that is used for placing the test block in the frame, fixed subassembly is used for fixing the test block on the cutting bed, be provided with the rip cutting subassembly in the frame, the rip cutting subassembly is used for vertically cutting the test block, still be provided with the crosscut subassembly in the frame, the crosscut subassembly is used for carrying out the horizontal cutting to the test block, just be connected with the cutting bed in the frame and be provided with lifting unit, lifting unit is used for driving the cutting bed and goes up and down.

By adopting the technical scheme, when the heat-insulating slurry and the foam concrete are cut, the test block is placed on the cutting table, the test block is cut by the longitudinal cutting assembly, and after the cutting is finished, the cutting table and the test block on the cutting table are driven to rotate by the rotating assembly, so that the test block is cut in the X axis and the Y axis; driving the cutting table to lift by using the lifting assembly, and adjusting the cutting depth of the longitudinal cutting assembly on the test block; utilize crosscut subassembly to cut the test block, utilize lifting unit to adjust the thickness of cutting to cut the test block for experimental required size, reach and be convenient for cut the test block for experimental required size's effect.

Optionally, a plurality of grooves are formed in the cutting table in parallel, the cutting table is provided with a supporting block in the groove, and a supporting bolt is arranged on the supporting block in a penetrating manner.

Through adopting above-mentioned technical scheme, when having placed the test block on the cutting bed, adjust the position of supporting tight piece for the tight piece that supports of test block both sides is hugged closely with the test block, and the rethread supports tight bolt and will support tight piece and support tightly on the cutting bed, thereby is convenient for fix the test block on the cutting bed.

Optionally, the rotating assembly comprises a speed reduction motor, a first gear and a driven gear, a support plate is horizontally arranged on the rack, a rotating shaft is vertically arranged on the support plate in a rotating mode, the top end of the rotating shaft is fixedly connected with the cutting table, the speed reduction motor is arranged on the support plate, the output shaft of the speed reduction motor extends towards the cutting table, the first gear is fixedly connected to the output shaft of the speed reduction motor in a coaxial line mode, and the driven gear is arranged on the rotating shaft and meshed with the first gear.

Through taking above-mentioned technical scheme, start gear motor, gear motor drive first gear rotates to drive driven gear rotates, and driven gear's rotation drives the pivot and rotates, and then drives the cutting bed and rotate, thereby reaches the cutting bed of being convenient for rotate, carries out the effect of X axle, Y axle cutting to the test block on the edge-to-edge cutting bed.

Optionally, the slitting assembly comprises a rodless cylinder and a cutting machine, the cylinder barrel of the rodless cylinder is horizontally arranged on the rack, the cutting machine is arranged on the sliding table of the rodless cylinder, and the blade of the cutting machine is perpendicular to the plate surface of the cutting table.

Through adopting above-mentioned technical scheme, when vertically cutting the test block, start the cutting machine, start rodless cylinder in cutting machine work for the cutting machine removes along rodless cylinder's length direction, thereby is convenient for cut the test block on vertical.

Optionally, the crosscut subassembly is including cutting the wall machine, the vertical supporting seat that is provided with in one side of frame, be provided with the mounting panel on the supporting seat, the length direction of mounting panel is on a parallel with the length direction of no pole cylinder, cut the wall machine setting on the mounting panel, the cutting plane of cutting the wall machine is on a parallel with the mesa of cutting bed, install the removal subassembly on the mounting panel, the removal subassembly is used for the drive to cut the wall machine and removes along the length direction of mounting panel.

Through adopting above-mentioned technical scheme, the saw bit radius of cutting the wall machine is great to can carry out the degree of depth cutting to the test block on horizontal, start the cutting wall machine, utilize the removal subassembly drive to cut the wall machine and remove along the length direction of mounting panel, thereby be convenient for carry out the horizontal cutting to the test block on the cutting header.

Optionally, the movable assembly comprises a driving motor and a second gear, a rack is arranged on the mounting plate along the length direction of the mounting plate, a sliding rail is arranged on the mounting plate in parallel to the length direction of the rack, a sliding block is arranged on the base of the wall cutting machine and is in sliding fit with the sliding rail, the driving motor is arranged on the base of the wall cutting machine, the second gear is fixedly connected to the output shaft of the driving motor in a coaxial line, and the second gear is meshed with the rack.

Through taking above-mentioned technical scheme, start driving motor, driving motor's output shaft drives the second gear and rotates, and second gear and rack mesh mutually, and when second gear revolve, the drive is cut the wall machine and is removed along the length direction of mounting panel to be convenient for drive is cut the wall machine and is cut the test block.

Optionally, a sliding rod is arranged on the rack, the sliding rod is horizontally arranged and extends towards the supporting seat, a sliding sleeve is arranged at the bottom of the supporting seat, the sliding sleeve is sleeved on the sliding rod in a sliding mode, a first air cylinder is arranged on the sliding rod, a piston rod of the first air cylinder extends along the length direction of the sliding rod, and the tail end of the piston rod of the first air cylinder is connected with the supporting seat.

Through adopting above-mentioned technical scheme, when adjusting the depth of cut of wall cutter, start first cylinder, the piston rod of first cylinder stretches out or withdraws, and the drive supporting seat removes on the slide bar to the wall cutter is close to or keeps away from the test block in the drive, thereby is convenient for adjust the depth of cut of wall cutter.

Optionally, the lifting assembly includes a second cylinder, a cylinder body of the second cylinder is fixedly disposed on the frame, a piston rod of the second cylinder vertically extends upward, and a tail end of the piston rod of the second cylinder is fixedly connected to the support plate.

Through adopting above-mentioned technical scheme, start the second cylinder, the piston rod of second cylinder stretches out or retracts, and the drive backup pad moves in vertical direction to be convenient for adjust the cutting depth of cutting machine and the cutting angle of wall cutter.

Optionally, a plurality of positioning rods are vertically arranged on the rack, and the plurality of positioning rods slidably penetrate through the supporting plate.

Through taking above-mentioned technical scheme, the vertical many locating levers that are provided with in the frame, the locating lever slides and passes the backup pad, when second cylinder drive backup pad removes in vertical direction, avoids the backup pad to take place the skew in the locating lever removal degree.

Optionally, the bottom of the frame is provided with a self-locking universal wheel.

Through adopting above-mentioned technical scheme, the auto-lock universal wheel is convenient for drive frame and removes.

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

1. when the heat-preservation slurry and the foam concrete are cut, the test block is placed on a cutting table, the test block is cut by a longitudinal cutting assembly, and after the cutting is finished, the cutting table and the test block on the cutting table are driven by a rotating assembly to rotate, so that the test block is cut in an X axis and a Y axis; driving the cutting table to lift by using the lifting assembly, and adjusting the cutting depth of the longitudinal cutting assembly on the test block; the test block is cut by the transverse cutting assembly, and the cutting thickness is adjusted by the lifting assembly, so that the test block is cut into the size required by the test, and the effect of conveniently cutting the test block into the size required by the test is achieved;

2. a rack is arranged on the mounting plate along the length direction of the mounting plate, a slide rail is arranged on the mounting plate and is parallel to the length direction of the rack, a slide block is arranged on a base of the wall cutting machine, the slide block is in sliding fit with the slide rail, a driving motor is started, an output shaft of the driving motor drives a second gear to rotate, so that the wall cutting machine is driven to move along the length direction of the mounting plate, and the wall cutting machine is driven to cut test blocks conveniently;

3. the frame is provided with a sliding rod, the supporting seat is sleeved on the sliding rod through the sliding sleeve in a sliding mode, the first air cylinder is started, and the piston rod of the first air cylinder extends out or retracts, so that the wall cutting machine on the supporting seat is driven to be close to or far away from the test block, and the cutting depth of the wall cutting machine is convenient to adjust.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a partial sectional view for showing a rotating assembly in the embodiment of the present application.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is an enlarged view of the portion C in fig. 3.

Description of reference numerals:

1. a frame; 11. cutting table; 111. a groove; 112. a propping block; 113. tightly abutting against the bolt; 12. a support plate; 121. a rotating shaft; 13. a supporting seat; 131. mounting a plate; 1311. a rack; 1312. a slide rail; 132. a sliding sleeve; 14. a slide bar; 15. a base plate; 16. positioning a rod; 2. a slitting assembly; 21. a rodless cylinder; 22. a cutter; 3. a cross-cutting assembly; 31. a wall cutter; 4. a rotating assembly; 41. a reduction motor; 42. a first gear; 43. a driven gear; 5. a lifting assembly; 51. a second cylinder; 6. a moving assembly; 61. a drive motor; 62. a second gear; 7. a first cylinder; 8. self-locking universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses insulation board cutting machine, referring to fig. 1, an insulation board cutting machine includes frame 1, and frame 1 has bottom plate 15 for the frame that square steel welding formed, and it has to be close to bottom department horizontal welding at frame 1. A cutting table 11 is installed on a machine frame 1, a longitudinal cutting assembly 2 is installed on the machine frame 1 and above the cutting table 11, and a transverse cutting assembly 3 is installed on the machine frame 1 and on one side of the cutting table 11. Install lifting unit 5 on bottom plate 15, install runner assembly 4 on lifting unit 5, runner assembly 4 is connected with cutting bed 11 and is used for driving cutting bed 11 and rotates, and lifting unit 5 is used for driving cutting bed 11 on runner assembly 4 and the runner assembly 4 and moves on vertical direction.

When the test block is cut, the test block is placed on a cutting table 11, the position of the test block is adjusted through a lifting assembly 5, the test block is cut through a transverse cutting assembly 3, and the thickness of the test block is cut to be 30 mm; starting the longitudinal cutting assembly 2, and starting the lifting assembly 5 to drive the cutting table 11 to be close to the longitudinal cutting assembly 2, so that test blocks on the cutting table 11 are cut through the longitudinal cutting assembly 2; after cutting on one side of the test block is completed, the rotating assembly 4 is started to drive the cutting table 11 to rotate 90 degrees, the test block is cut again, and the test block is cut into the size of 300mm 30 mm.

Referring to fig. 1 and 2, a plurality of self-locking universal wheels 8 are mounted at the bottom of the frame 1, so as to facilitate the movement of the frame 1; many recesses 111 have been seted up in parallel on cutting bed 11, and the cross sectional shape of recess 111 is the T shape, installs a plurality of blocks 112 that support on cutting bed 11, and one side rotation of the block 112 that supports is connected with the T piece that cross sectional shape is the T shape, supports tight piece 112 and cooperatees through recess 111 on lug and the cutting bed 11 to support tight piece 112 slidable mounting on cutting bed 11. A resisting bolt 113 is threaded on the resisting block 112, and when the resisting block 112 is moved, the resisting bolt 113 is loosened, and the resisting block 112 is moved along the length direction of the groove 111; when the test block on the fixed cutting table 11, will support tight piece 112 and remove to contradict with the test block to rotate and support tight piece 112 and make the side of being convenient for with the test block of supporting tight piece 112 laminate mutually, screw up and support tight bolt 113, will support tight piece 112 and fix on cutting table 11, thereby the polylith supports tight piece 112 with the test block centre gripping on cutting table 11, reach the effect of fixed test block.

Referring to fig. 3 and 4, the rotating assembly 4 includes a speed reduction motor 41, a first gear 42 and a driven gear 43, a support plate 12 is horizontally installed on the frame 1 and above the bottom plate 15, a rotating shaft 121 is vertically installed on the support plate 12, a part of the rotating shaft 121 is vertically inserted into the support plate 12 downwards, a bearing is installed between the rotating shaft 121 and the support plate 12, and the top of the rotating shaft 121 is fixedly connected with the cutting table 11. The speed reducing motor 41 is mounted on the support plate 12 through a bolt, an output shaft of the speed reducing motor 41 vertically extends upwards, the first gear 42 is coaxially and fixedly connected to the output shaft of the speed reducing motor 41, the driven gear 43 is coaxially and fixedly mounted on the rotating shaft 121, and the first gear 42 is meshed with the driven gear 43.

The reducing motor 41 is started, the output shaft of the reducing motor 41 rotates to drive the first gear 42 to rotate, the first gear 42 rotates to drive the driven gear 43 meshed with the first gear to rotate, and therefore the cutting table 11 is driven to rotate relative to the supporting plate 12, and the effect of driving a test block on the cutting table 11 to rotate is achieved.

Referring to fig. 1, the longitudinal cutting assembly 2 includes a rodless cylinder 21 and a cutting machine 22, two fixing plates are relatively installed on two sides of the top of the frame 1, the rodless cylinder 21 is horizontally installed between the two fixing plates, a cylinder barrel of the rodless cylinder 21 is detachably connected with the fixing plates on two sides through bolts, the cutting machine 22 is installed on a sliding table of the rodless cylinder 21, the cutting machine 22 is located on one side of the cutting table 11 towards the rodless cylinder 21, and a blade cutting plane of the cutting machine 22 is perpendicular to a table top of the cutting table 11.

The cutting machine 22 is started, the cutting machine 22 cuts test blocks placed on the cutting table 11, the rodless cylinder 21 is started during cutting, and the sliding table of the rodless cylinder 21 moves along the length direction of the cylinder barrel of the rodless cylinder 21, so that the test blocks are cut.

Referring to fig. 3, a support base 13 is installed on the frame 1 at one side of the frame 1, the support base 13 is a vertically installed plate-shaped support, an installation plate 131 is horizontally installed on the support base 13, and the length direction of the installation plate 131 is parallel to the length direction of the rodless cylinder 21. The crosscutting assembly 3 comprises a wall cutter 31, the wall cutter 31 being slidably mounted on a mounting plate 131, and the blade plane of the wall cutter 31 being parallel to the table of the cutting table 11. A moving assembly 6 is mounted on the mounting plate 131, the moving assembly 6 is connected with the wall cutter 31, and the moving assembly 6 is used for driving the wall cutter 31 to move along the length direction of the mounting plate 131.

Referring to fig. 3 and 5, the moving assembly 6 includes a driving motor 61 and a second gear 62, two sliding rails 1312 are mounted on the mounting plate 131 along the length direction of the mounting plate 131, the sliding rails 1312 have a T-shaped cross section, two sliders are fixedly mounted on the base of the wall cutter 31, a T-shaped through slot is formed in each slider, and the wall cutter 31 is slidably connected with the sliding rails 1312 through the sliders. A rack 1311 is arranged between the two slide rails 1312 along the length direction of the mounting plate 131, the driving motor 61 is arranged on the wall cutter 31, the second gear 62 is coaxially and fixedly connected to the output shaft of the driving motor 61, and the second gear 62 is meshed with the rack 1311.

When the test block on the cutting table 11 is cut to be thick, the wall cutting machine 31 is started, the wall cutting machine 31 is transversely cut into the test block, and the radius of a blade of the wall cutting machine 31 is larger than 300mm, so that the cutting of the test block of 300 mm-30 mm can be met; when the wall cutter 31 is started, the driving motor 61 is started, and the output shaft of the driving motor 61 drives the second gear 62 to rotate, so that the wall cutter 31 is driven to move along the length direction of the mounting plate 131, and the test block is cut.

Referring to fig. 3, a sliding rod 14 is horizontally and fixedly connected to one side of the bottom plate 15 in a direction perpendicular to the length direction of the bottom plate 15, the sliding rod 14 is a rectangular rod body, a hollow rectangular sliding sleeve 132 is fixedly connected to the bottom of the supporting base 13, the supporting base 13 is slidably sleeved on the sliding rod 14 through the sliding sleeve 132, and the length of the sliding sleeve 132 is long, so that the contact area between the sliding sleeve 132 and the sliding rod 14 is large. The first air cylinder 7 is installed on the sliding rod 14, the cylinder body of the first air cylinder 7 is fixedly installed on the sliding rod 14, the piston rod of the first air cylinder 7 extends towards the supporting seat 13, and the tail end of the piston rod of the first air cylinder 7 is fixedly connected with the supporting seat 13.

When the transverse depth of the test block cut by the wall cutting machine 31 is adjusted, the first air cylinder 7 is started, and a piston rod of the first air cylinder 7 extends out or retracts, so that the supporting seat 13 is driven to move along the length direction of the sliding rod 14, the transverse cut depth of the wall cutting machine 31 on the test block is adjusted, and the length and the width of the test block can reach 300mm x 300 mm.

Referring to fig. 3, the lifting assembly 5 includes a second cylinder 51, a cylinder body of the second cylinder 51 is fixedly installed on the bottom plate 15, a piston rod of the second cylinder 51 extends vertically upward, and a distal end of the piston rod of the second cylinder 51 is fixedly connected to the lower plate surface of the support plate 12. Locating rods 16 are vertically arranged at four corners of the bottom plate 15, through holes are formed in the positions, opposite to the locating rods 16, of the mounting plate 131, and the locating rods 16 are connected with the mounting plate 131 in a sliding mode after penetrating through the through holes.

The second cylinder 51 is activated, and the piston rods of the two cylinders extend or retract, so as to drive the driving support plate 12 to move in the vertical direction, and further drive the test block on the cutting table 11 to move in the vertical direction. The cutting depth of the cutting machine 22 and the cutting position of the wall cutting machine 31 are adjusted.

The implementation principle of the heat preservation plate cutting machine in the embodiment of the application is as follows: placing and fixing the thermal insulation slurry and the foam concrete to be cut on the cutting table 11, starting the second cylinder 51, driving the test block on the cutting table 11 to be close to the cutting machine 22 by the second cylinder 51, adjusting the height of the cutting table 11, transversely cutting the test block by the wall cutting machine 31, and cutting out the test block with the thickness of 30 mm; then, the cutting machine 22 and the rodless cylinder 21 are started to cut the test block; after cutting, the cutting table 11 is far away from the cutting machine 22 through the second air cylinder 51, the speed reducing motor 41 is started again, the speed reducing motor 41 drives the cutting table 11 to rotate 90 degrees, and the test block is cut again, so that the test block is conveniently cut into the size of 300mm 30 mm.

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

Claims

1. The utility model provides a heat preservation panel cutting machine which characterized in that: including frame (1), be provided with cutting bed (11), rip cutting subassembly (2) and crosscut subassembly (3) that are used for placing the test block on frame (1), rip cutting subassembly (2) are used for vertically cutting the test block of placing the bench, still be provided with crosscut subassembly (3) on frame (1), crosscut subassembly (3) are used for transversely cutting the test block, still be provided with rotating assembly (4) and lifting unit (5) on frame (1), rotating assembly (4) are connected with cutting bed (11), rotating assembly (4) are used for driving cutting bed (11) and rotate, lifting unit (5) are connected with cutting bed (11) and are used for driving cutting bed (11) and go up and down.

2. A heat-insulating board cutting machine according to claim 1, characterized in that: the cutting table (11) is provided with a plurality of grooves (111) in parallel, the cutting table (11) is provided with a propping block (112) which is arranged in the grooves (111) in a sliding manner, and a propping bolt (113) is arranged on the propping block (112) in a penetrating manner through threads.

3. A heat-insulating board cutting machine according to claim 1, characterized in that: rotating assembly (4) include gear motor (41), first gear (42) and driven gear (43), frame (1) is improved level and is provided with backup pad (12), backup pad (12) vertical rotation is provided with pivot (121), the top and cutting bed (11) fixed connection of pivot (121), gear motor (41) set up on backup pad (12) just the output shaft of gear motor (41) extends towards cutting bed (11), first gear (42) coaxial line fixed connection is on the output shaft of gear motor (41), driven gear (43) set up in pivot (121) and mesh mutually with first gear (42).

4. A heat-insulating board cutting machine according to claim 1, characterized in that: rip cutting subassembly (2) is including no pole cylinder (21) and cutting machine (22), the cylinder level of no pole cylinder (21) sets up on frame (1), cutting machine (22) set up on the slip table of no pole cylinder (21), the blade of cutting machine (22) is mutually perpendicular with the face of cutting bed (11).

5. A thermal insulation board cutting machine according to claim 4, characterized in that: crosscut subassembly (3) are including cutting wall machine (31), one side of frame (1) is vertical to be provided with supporting seat (13), be provided with mounting panel (131) on supporting seat (13), the length direction of mounting panel (131) is on a parallel with the length direction of rodless cylinder (21), cut wall machine (31) and set up on mounting panel (131), the cutting plane of cutting wall machine (31) is on a parallel with the mesa of cutting bed (11), install removal subassembly (6) on mounting panel (131), removal subassembly (6) are used for the drive to cut wall machine (31) and move along the length direction of mounting panel (131).

6. A thermal insulation board cutting machine according to claim 5, characterized in that: the moving assembly (6) comprises a driving motor (61) and a second gear (62), a rack (1311) is arranged on the mounting plate (131) along the length direction of the mounting plate (131), a sliding rail (1312) is arranged on the mounting plate (131) and is parallel to the length direction of the rack (1311), a sliding block is arranged on a base of the wall cutting machine (31) and is in sliding fit with the sliding rail (1312), the driving motor (61) is arranged on the base of the wall cutting machine (31), the second gear (62) is fixedly connected to an output shaft of the driving motor (61) in a coaxial line mode, and the second gear (62) is meshed with the rack (1311).

7. A thermal insulation board cutting machine according to claim 5, characterized in that: be provided with slide bar (14) on frame (1), slide bar (14) level sets up and extends towards supporting seat (13), the bottom of supporting seat (13) is provided with sliding sleeve (132), sliding sleeve (132) slip cap is established on slide bar (14), be provided with first cylinder (7) on slide bar (14), the length direction of the piston rod edge slide bar (14) of first cylinder (7) extends, just the piston rod end of first cylinder (7) is connected with supporting seat (13).

8. A heat-insulating board cutting machine according to claim 3, characterized in that: the lifting assembly (5) comprises a second air cylinder (51), a cylinder body of the second air cylinder (51) is fixedly arranged on the rack (1), a piston rod of the second air cylinder (51) vertically extends upwards, and the tail end of the piston rod of the second air cylinder (51) is fixedly connected with the supporting plate (12).

9. A heat-insulating board cutting machine according to claim 3, characterized in that: a plurality of positioning rods (16) are vertically arranged on the rack (1), and the positioning rods (16) penetrate through the supporting plate (12) in a sliding mode.

10. A heat-insulating board cutting machine according to claim 1, characterized in that: the bottom of the frame (1) is provided with a self-locking universal wheel (8).