CN112847545A

CN112847545A - Annular cutting machine

Info

Publication number: CN112847545A
Application number: CN202011570474.1A
Authority: CN
Inventors: 司广旭; 周明逵
Original assignee: Yada Environmental Protection Technology Yutian Co ltd
Current assignee: Yada Environmental Protection Technology Yutian Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-05-28

Abstract

The application relates to an annular cutting machine, which belongs to the technical field of production of heat-insulating plates and comprises a base, a first box body and a second box body, wherein the first box body and the second box body are fixedly connected to the upper surface of the base; a driving wheel is rotatably connected inside the first box body, a driven wheel is rotatably connected inside the second box body, and a sawtooth strip is connected between the driving wheel and the driven wheel; the first box body is fixedly connected with a first motor, a belt transmission assembly is arranged in the first box body, and the first motor is connected with the driving wheel through the belt transmission assembly; a working platform is arranged between the first box body and the second box body, and a lifting mechanism for driving the working platform to lift is arranged on the base. This application has the effect of utilizing same cutting machine to cut out the heated board of different thickness.

Description

Annular cutting machine

Technical Field

The application relates to the technical field of insulation board production, in particular to an annular cutting machine.

Background

The heat-insulating board is used for insulating the building. The existing insulation board generally has the performances of moisture resistance, water resistance, fire resistance and the like besides good insulation performance.

Because the application scene of heated board is different, so need cut into different shapes or different thickness with the heated board. Some heated board cutting device of relevance are when cutting the heated board, directly place the heating wire that a level was placed in the top of workstation, make heated board and heating wire contact each other through promoting the heated board to the completion is to the cutting of heated board.

To the correlation technique among the above-mentioned, the inventor thinks when cutting the heated board, because the distance between workstation and the heating wire is unchangeable, so can only cut out the heated board of the same thickness, the function is comparatively single.

Disclosure of Invention

In order to utilize the heated board of same cutting machine cutting out different thickness, this application provides an annular cutting machine.

The application provides an annular cutting machine adopts following technical scheme:

an annular cutting machine comprises a base, a first box body and a second box body, wherein the first box body and the second box body are fixedly connected to the upper surface of the base;

a driving wheel is rotatably connected inside the first box body, a driven wheel is rotatably connected inside the second box body, and a sawtooth strip is connected between the driving wheel and the driven wheel;

the first box body is fixedly connected with a first motor, a belt transmission assembly is arranged in the first box body, and the first motor is connected with the driving wheel through the belt transmission assembly;

a working platform is arranged between the first box body and the second box body, and a lifting mechanism for driving the working platform to lift is arranged on the base.

By adopting the technical scheme, when the insulation board needs to be cut, the height of the working platform is adjusted by the lifting mechanism, so that the distance between the working platform and the upper boundary of the sawtooth strip is equal to the thickness of the insulation board to be cut, and the insulation boards with different thicknesses can be cut by adjusting the working platform; when needs cut the heated board, place the heated board on the work platform who has adjusted, then start first motor and drive the sawtooth rack and rotate along action wheel and follow driving wheel, then promote the heated board and remove towards the sawtooth rack, remove the in-process heated board and can take place to contact and accomplish the cutting with the sawtooth rack.

Optionally, an installation plate is fixedly connected between the first box body and the second box body on the base;

elevating system includes the second motor of fixed connection on the base, be connected with chain drive assembly on the second motor, be connected with the axis of rotation that is located the mounting panel downside on the chain drive assembly, be connected with at least one bevel gear group in the axis of rotation, fixedly connected with passes the vertical first lead screw that upwards sets up of mounting panel on the bevel gear group, threaded connection has the upper end and the bracing piece that work platform is fixed mutually on the first lead screw.

Through adopting above-mentioned technical scheme, when needs adjust work platform's position, start the second motor, the second motor can drive the axis of rotation through chain drive assembly and rotate, can drive the first lead screw that is connected through bevel gear group when the axis of rotation rotates and rotate, can drive the bracing piece and remove along the axial of first lead screw when first lead screw rotates to can drive work platform and go up and down.

Optionally, a first adjusting assembly for pushing the driven wheel to move along the horizontal direction is arranged in the second box.

Through adopting above-mentioned technical scheme, because probably can move towards the direction of action wheel at the pivoted in-process from the driving wheel to make the sawtooth rack be in the lax state, thereby lead to the sawtooth rack to be stable inadequately at the rotation in-process, can adjust the position from the driving wheel when taking place to remove from the driving wheel through setting up first adjusting part, thereby make the sawtooth rack keep the tensioning state.

Optionally, first adjusting part is including installing the installation piece in the inside of second box, the sliding tray has been seted up on the installation piece is close to the lateral wall from the driving wheel, the inside slidable mounting of sliding tray has the sliding block, fixedly connected with rotates the center pin of being connected with the axle center from the driving wheel on the lateral wall of sliding block, passes second box and installation piece are provided with the second lead screw with sliding block threaded connection, the second lead screw is located the outside end fixedly connected with hand wheel of second box.

Through adopting above-mentioned technical scheme, when needs are adjusted and are kept away from the direction removal of action wheel from the driving wheel orientation, rotate the hand wheel and drive the second lead screw and rotate, can drive the sliding block and remove along the sliding tray of installation piece when the second lead screw rotates, the in-process that the sliding block removed can drive and move from the direction of keeping away from the action wheel from the driving wheel orientation.

Optionally, a screw rod extending into the second box body is connected to the side wall of the second box body in a threaded manner, and a hand wheel is fixedly connected to the end part of the screw rod located outside the second box body;

a first waist-shaped hole is formed in the side wall of the second box body along the axial direction of the screw rod, and the second screw rod penetrates through the first waist-shaped hole;

and the side wall of the second box body is also provided with an opening for the horizontal movement of the sawtooth strip.

Through adopting above-mentioned technical scheme, also probably take place the skew with the sawtooth rack at the in-process of following driving wheel pivoted, when taking place the skew with the sawtooth rack from the driving wheel, it drives the screw rod and rotates to rotate the hand wheel, can move towards the inside of second box when the screw rod rotates, can promote the axial displacement of installation piece along the screw rod when the screw rod moves towards the inside of second box, the in-process that the installation piece removed can drive the second lead screw and move along first waist type hole, thereby can adjust the relative position relation from driving wheel and sawtooth rack.

Optionally, the top of the inner side of the second box body is provided with clamping assemblies which are respectively arranged on the upper side and the lower side of the sawtooth strip and used for clamping the sawtooth strip.

Through adopting above-mentioned technical scheme, when the sawtooth rack rotates along the action wheel with from the driving wheel, the sawtooth rack does not shake with the action wheel with the position that carries out the contact from the driving wheel, and the sawtooth rack shake can make the heated board by the uneven condition appears in the surface of cutting, and the clamping assembly who presss from both sides tightly can reduce the possibility that the sawtooth rack takes place to shake through setting up both sides about being located the sawtooth rack and to the sawtooth rack to guarantee that the heated board is by the roughness on cutting surface.

Optionally, the clamping assembly comprises a fixed plate fixedly connected to the top of the second box body, a second waist-shaped hole along the vertical direction is formed in the fixed plate, two first sliding rods penetrating the second waist-shaped hole are further arranged on the upper side and the lower side of the sawtooth strip respectively, a first rotating wheel abutting against the sawtooth strip is rotatably connected to the first sliding rods respectively, and fastening nuts located on two sides of the fixed plate are respectively in threaded connection with the first sliding rods.

Through adopting above-mentioned technical scheme, when utilizing the sawtooth rack to cut the heated board, not hard up fastening nut and adjust two first slide bars and be located the upper and lower both sides of sawtooth rack respectively, revolve when two first rotation wheels respectively with the upper and lower two surface looks butt of sawtooth rack and twist fastening nut and fix the position of first slide bar to can utilize two first rotation wheels to press from both sides tightly the sawtooth rack.

Optionally, a positioning assembly for abutting against the side wall of the sawtooth rack is arranged at the top of the inner side of the second box body.

Through adopting above-mentioned technical scheme, still probably take place the skew at sawtooth rack pivoted in-process, so carry out the locating component of butt through the top setting at the second box to the lateral wall of sawtooth rack and can support the sawtooth rack to can restrict the sawtooth rack and remove along the axis from the driving wheel, and then can avoid the sawtooth rack to take place the skew at the in-process that removes.

Optionally, a third waist-shaped hole perpendicular to the sawtooth strip is formed in the top of the second box body;

the positioning assembly comprises a second sliding rod penetrating through a third waist-shaped hole, the end part, located on the inner side of the second box body, of the second sliding rod is rotatably connected with a second rotating wheel horizontally arranged, and fastening nuts located on two sides of the second box body are in threaded connection with the second sliding rod respectively.

Through adopting above-mentioned technical scheme, when needs carry out the butt to the lateral wall of sawtooth rack, not hard up fastening nut and adjust the position of second slide bar, rotate the wheel when the second and remove to the position with the lateral wall looks butt of sawtooth rack and utilize fastening nut to fix the position of second slide bar, the second rotates the wheel this moment and can support the sawtooth rack when the sawtooth rack rotates.

Optionally, the top of the inner side of the first box body is fixedly connected with a scraper which is obliquely arranged and is abutted against the sawtooth racks.

Through adopting above-mentioned technical scheme, when the sawtooth rack cuts the heated board, probably be stained with the piece on the sawtooth rack, can clear up the piece on the sawtooth rack through the scraper blade that is provided with in first box inside and contacts with the sawtooth rack to avoid the sawtooth rack to go up the piece too much and influence cutting effect and cutting efficiency.

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

1. the lifting mechanism is arranged below the working platform, so that the distance between the working platform and the sawtooth strips can be adjusted, and the distance between the working platform and the sawtooth strips is the thickness of the heat insulation plate, so that heat insulation plates with different thicknesses can be cut;

2. the driven wheel can be deviated in the rotating process, so that the driven wheel can be dislocated or even separated from the sawtooth strip, the driven wheel can be adjusted to move towards the direction far away from the driving wheel by rotating the hand wheel to drive the second lead screw to rotate, and the tension of the sawtooth strip can be adjusted; the hand wheel is screwed to drive the screw rod to move towards the inside of the second box body, so that the driven wheel can be driven to move along the axial direction of the driven wheel, and the sawtooth rack and the driven wheel can be accurately connected;

3. when the sawtooth strips rotate along the driving wheel and the driven wheel, the positions, which are not in contact with the driving wheel and the driven wheel, of the sawtooth strips can shake, the situation that the cut surface of the heat-insulation plate is uneven can be caused by the shake of the sawtooth strips, the possibility that the sawtooth strips shake can be reduced by arranging the clamping assemblies which are positioned on the upper side and the lower side of the sawtooth strips and used for clamping the sawtooth strips, and therefore the flatness of the cut surface of the heat-insulation plate is guaranteed;

4. when the insulation board is cut by the sawtooth strips, the upper surfaces of the sawtooth strips can be adhered with chips, the chips on the sawtooth strips can be cleaned by arranging the scraper and the sawtooth strips in a contact mode, and therefore the cutting effect and the cutting efficiency of the sawtooth strips on the insulation board are improved.

Drawings

Fig. 1 is a schematic structural view showing the interior of a circular cutting machine in the embodiment of the present application.

Fig. 2 is a schematic structural diagram showing a working platform and a lifting mechanism in the embodiment of the present application.

Fig. 3 is a schematic view showing a connection relationship of the first lead screw, the support rod and the sleeve in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a working platform and a support plate embodied in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a first adjustment assembly embodied in an embodiment of the present application.

FIG. 6 is a schematic diagram of a second adjustment assembly and a driven wheel embodying embodiments of the present application.

Fig. 7 is a schematic structural diagram of a clamping assembly and a positioning assembly embodied in an embodiment of the present application.

Fig. 8 is a schematic structural view of the first casing in the embodiment of the present application.

Description of reference numerals: 1. a base; 11. mounting a plate; 111. a sleeve; 2. a first case; 21. a driving wheel; 22. a sawtooth strip; 23. an opening; 24. a first motor; 25. a belt drive assembly; 26. a control panel; 27. a squeegee; 28. a discharge pipeline; 3. a second case; 31. a driven wheel; 32. a first kidney-shaped hole; 33. a third kidney-shaped hole; 34. a cover plate; 35. locking; 4. a working platform; 41. a baffle plate; 42. a bump; 43. fastening a bolt; 5. a lifting mechanism; 51. a second motor; 52. a chain drive assembly; 53. a rotating shaft; 54. a bearing seat; 55. a bevel gear set; 56. a first lead screw; 57. a support bar; 58. a support plate; 6. a first adjustment assembly; 61. mounting blocks; 611. a sliding groove; 62. a guide bar; 63. a slider; 64. a second lead screw; 65. a central shaft; 66. a hand wheel; 7. a second adjustment assembly; 71. a screw; 8. a clamping assembly; 81. a first rotating wheel; 82. a fixing plate; 821. a second kidney-shaped hole; 83. a first slide bar; 84. fastening a nut; 9. a positioning assembly; 91. a second rotating wheel; 92. a second slide bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses annular cutting machine. Referring to fig. 1, the circular cutting machine includes a base 1, a first case 2 and a second case 3 fixedly connected to an upper side of the base 1, a driving wheel 21 rotatably connected to an inside of the first case 2, a driven wheel 31 rotatably connected to an inside of the second case 3, and a flexible sawtooth rack 22 capable of bending is sleeved outside the driving wheel 21 and the driven wheel 31. Openings 23 for the sawtooth racks 22 to pass through are respectively arranged on the first box body 2 and the second box body 3.

Referring to fig. 2, a working platform 4 for cutting the insulation board is arranged on the base 1 between the first box 2 and the second box 3, and the working platform 4 is located on the inner side of the annular sawtooth strip 22. The mounting plate 11 is fixedly welded below the working platform 4 on the base 1, the lifting mechanism 5 for driving the working platform 4 to lift is fixedly connected onto the mounting plate 11, and the distance between the upper surface of the working platform 4 and the upper boundary of the sawtooth strip 22 can be adjusted by controlling the lifting mechanism 5.

Referring to fig. 1 and 2, a first motor 24 is fixedly installed on an outer side wall of the first casing 2, and a belt transmission assembly 25 is disposed inside the first casing 2, the belt transmission assembly 25 includes two belt pulleys and a belt (not shown) connecting the two belt pulleys, one of the belt pulleys is connected with a motor shaft of the first motor 24, and the other belt pulley is connected with the driving wheel 21. A control panel 26 is fixedly attached to the upper side of the first casing 2, and the first motor 24 and the lifting mechanism 5 can be controlled by operating the control panel 26.

When the insulation board needs to be cut, the control panel 26 is operated to drive the lifting mechanism 5 to move, so that the working platform 4 can be moved to a proper position according to the thickness of the insulation board to be cut; then control first motor 24 and rotate, first motor 24 pivoted in-process can drive the belt pulley and rotate to can drive action wheel 21 and rotate, can drive sawtooth rack 22 when action wheel 21 rotates and rotate along action wheel 21 and follow driving wheel 31. Place the heated board on work platform 4 this moment to promote the heated board orientation and remove with sawtooth strip 22 mutually perpendicular's direction, the in-process that the heated board removed can take place to contact and accomplish the cutting with sawtooth strip 22.

Fixedly connected with baffle 41 on the border that work platform 4 is close to first box 2, when cutting the heated board, action wheel 21 drives sawtooth strip 22 and rotates along clockwise direction, so promote the in-process that the heated board removed along work platform 4, sawtooth strip 22 has the trend that drives the heated board and remove towards the direction of first box 2, one side through being close to first box 2 on work platform 4 sets up baffle 41 and can fix a position the heated board, one side and the laminating of baffle 41 of heated board, thereby can restrict the direction removal of heated board towards first box 2.

Referring to fig. 2 and 3, the lifting mechanism 5 includes a second motor 51 fixed on the base 1, a chain transmission assembly 52 connected to a motor shaft of the second motor 51, a rotating shaft 53 fixedly connected to the other end of the chain transmission assembly 52, two bearing seats 54 fixedly connected to the lower surface of the mounting plate 11, and the rotating shaft 53 sequentially passing through the two bearing seats 54 and rotatably connected to the bearing seats 54. Two bevel gear sets 55 are mounted on the rotating shaft 53, a first lead screw 56 which is vertically and upwards arranged is mounted on each bevel gear set 55, the first lead screw 56 penetrates through the mounting plate 11 and is rotatably connected with the mounting plate 11, a supporting rod 57 is in threaded connection with the first lead screw 56, the supporting rod 57 is hollow, and a connecting part which protrudes inwards and is in threaded connection with the first lead screw 56 is arranged on the inner wall of the lower end part of the supporting rod 57. The upper end surfaces of the two support rods 57 are fixedly connected with a support plate 58, and the working platform 4 is detachably mounted above the support plate 58.

When the position of work platform 4 needs to be adjusted, second motor 51 is started, second motor 51 can drive axis of rotation 53 through chain drive assembly 52 and rotate when rotating, axis of rotation 53 can drive relative first lead screw 56 through bevel gear set 55 and rotate when rotating, can drive relative bracing piece 57 along first lead screw 56's axial displacement when first lead screw 56 rotates, can drive backup pad 58 and work platform 4 and remove when bracing piece 57 removes, thereby the realization is adjusted work platform 4's height.

The sleeve 111 which is in sliding insertion connection with the support rod 57 is fixedly connected to the upper surface of the mounting plate 11, and the support rod 57 can be more stable in the lifting process through the sleeve 111.

Referring to fig. 1 and 4, two lugs 42 are fixedly connected to two boundaries of the working platform 4 close to the first box 2 and the second box 3 respectively, the lugs 42 are fixedly connected to the same positions of the lugs 42 on the supporting plate 58 opposite to the lugs 42 on the working platform 4, a fastening bolt 43 is arranged between the two lugs 42 oppositely up and down, the working platform 4 and the supporting plate 58 can be locked and fixed by arranging the fastening bolt 43, the working platform 4 and the supporting plate 58 can be detached, and therefore the lifting mechanism 5 can be maintained conveniently.

During the rotation of the toothed rack 22 driven by the driving wheel 21 and the driven wheel 31, slight slack may occur in the toothed rack 22, thereby affecting the stability of the toothed rack 22 during rotation. A first adjusting assembly 6 for driving the driven wheel 31 to move in a direction away from the driving wheel 21 is arranged in the second box 3.

Referring to fig. 5 and 6, the first adjusting assembly 6 includes a mounting block 61 disposed inside the second casing 3, four guide rods 62 are fixedly connected to an inner wall of the second casing 3, four corners of the mounting block 61 correspond to the guide rods 62, and the guide rods 62 respectively penetrate through the mounting block 61 and are slidably connected to the mounting block 61. The side wall of the mounting block 61 facing the driven wheel 31 is provided with a sliding groove 611, a sliding block 63 is connected in the sliding groove 611 in a sliding manner, a second lead screw 64 is arranged to sequentially penetrate through the side wall of the second box 3 and the mounting block 61, the sliding block 63 is arranged on the second lead screw 64 in a penetrating manner and is in threaded connection with the second lead screw 64, a central shaft 65 which is rotatably connected with the axis of the driven wheel 31 is fixedly connected to the side wall of the sliding block 63 close to the driven wheel 31, and a hand wheel 66 is fixedly connected to the end part of the second lead screw 64, which is positioned outside the second.

When the sawtooth rack 22 needs to be adjusted to tension the sawtooth rack 22, the rotating hand wheel 66 drives the second lead screw 64 to rotate, the second lead screw 64 can drive the sliding block 63 to slide along the sliding groove 611 when rotating, the sliding block 63 can drive the driven wheel 31 to move towards the direction far away from the driving wheel 21 at the moment, and then the sawtooth rack 22 can become tighter.

Referring to fig. 1 and 6, in the process that the insulation board is cut by the sawtooth rack 22, the sawtooth rack 22 may receive a friction force applied by the insulation board along the axial direction of the driven wheel 31, at this time, the sawtooth rack 22 may slightly shake, and the driven wheel 31 may slightly shift along the axial direction of the driven wheel 31 along with long-term use, so that the driven wheel 31 and the sawtooth rack 22 may be misaligned, and at this time, the stability of the sawtooth rack 22 in the rotation process may be affected. A second adjusting assembly 7 for adjusting the axial position of the driven wheel 31 is further arranged in the second box 3, the second adjusting assembly 7 comprises a screw rod 71 which is in threaded connection with the second box 3 and is abutted against the side wall of the mounting block 61, and a hand wheel 66 is fixedly connected to the end part of the screw rod 71 positioned outside the second box 3.

When the axial position of the driven wheel 31 needs to be adjusted, the screwing hand wheel 66 drives the screw rod 71 to move towards the inside of the second box body 3, at this time, the end of the screw rod 71 can abut against the side wall of the mounting block 61, and the mounting block 61 can be driven to slightly move along the axial direction of the driven wheel 31 by continuously screwing the screw rod 71, so that the driven wheel 31 can move along the axial direction of the driven wheel 31, and further the driven wheel 31 can be accurately connected with the sawtooth rack 22.

Referring to fig. 5, a first kidney-shaped hole 32 along the axial direction of the screw 71 is formed in the second casing 3 at a position where the second lead screw 64 is inserted into the second casing, and when the screw 71 drives the mounting block 61 to move along the axial direction of the screw 71, the second lead screw 64 can move along the first kidney-shaped hole 32, so that the position adjustment of the driven wheel 31 can be completed.

Referring to fig. 1 and 7, when the driving wheel 21 rotates the rack 22, the position where the rack 22 does not contact the driving wheel 21 and the driven wheel 31 may be shaken, and thus a clamping assembly 8 for clamping the rack 22 is provided in the second casing 3. The possibility of shaking of the sawtooth strips 22 can be reduced by arranging the clamping assembly 8, so that the flatness of the cut surface of the insulation board is guaranteed.

The clamping assembly 8 comprises two first rotating wheels 81 respectively located at the upper side and the lower side of the sawtooth rack 22, a fixing plate 82 is fixedly connected to the top of the second box 3, a second kidney-shaped hole 821 is formed in the fixing plate 82 along the vertical direction, a first sliding rod 83 penetrating through the second kidney-shaped hole 821 is rotatably connected to the two first rotating wheels 81, and fastening nuts 84 are respectively in threaded connection with the two sides of the first sliding rod 83 located on the fixing plate 82.

When the two first rotating wheels 81 need to be adjusted to clamp the middle sawtooth racks 22, the position of the first sliding rod 83 is adjusted by loosening the fastening nut 84, and when the two first rotating wheels 81 abut against the upper and lower surfaces of the sawtooth racks 22, the positions of the two first rotating wheels 81 are fixed by screwing the fastening nut 84.

The positioning component 9 for tightly abutting against the back of the sawtooth strip 22 is further arranged at the position, close to the clamping component 8, of the top of the second box body 3, and the sawtooth strip 22 can be prevented from shifting in the rotating process by the positioning component 9. The positioning assembly 9 comprises a second rotating wheel 91 which is abutted against the side wall of the sawtooth rack 22, the second rotating wheel 91 is horizontally arranged, a second sliding rod 92 is connected to the second rotating wheel 91 in a rotating mode, the top of the second sliding rod 92 penetrates through the upper surface of the second box body 3, a third kidney-shaped hole 33 is formed in the position, located on the second box body 3, of the second sliding rod 92, and fastening nuts 84 are respectively in threaded connection with the upper side and the lower side of the second box body 3 on the second rotating rod.

When the second rotating wheel 91 is needed to abut against the side wall of the sawtooth rack 22, the fastening nut 84 is loosened to adjust the position of the second sliding rod 92, and when the second rotating wheel 91 abuts against the side wall of the sawtooth rack 22, the fastening nut 84 is screwed to fix the position of the second sliding rod 92, and at this time, the second rotating wheel 91 can position the position of the sawtooth rack 22.

Referring to fig. 8, more chips are adhered to the upper surface of the sawtooth strip 22 in the process of cutting the heat insulation board by the sawtooth strip 22, and the cutting effect of the sawtooth strip 22 is affected when the chips on the sawtooth strip 22 cannot be cleaned in time, so that an inclined scraper 27 is arranged at a position close to the opening 23 on the top side inside the first box body 2, the lower boundary of the scraper 27 is in contact with the sawtooth strip 22, and the chips on the sawtooth strip 22 can be cleaned by the scraper 27 in the process of rotating the sawtooth strip 22.

When the scrapers 27 clean the chips on the saw-toothed strip 22, the chips are splashed upwards under the blocking action of the scrapers 27. An inclined discharge duct 28 is provided in the first casing 2 at a position facing the scraper 27, and the inclination direction of the discharge duct 28 coincides with the inclination direction of the scraper 27. When the debris is splashed upward by the scraper 27, most of the debris can be discharged along the discharge duct 28, so that accumulation of a large amount of debris inside the first casing 2 can be avoided. Through setting up ejection of compact pipeline 28 to the tilt state, can make the piece more accurate discharge along ejection of compact pipeline 28, can make the piece discharge along a direction simultaneously, avoid the piece to splash on a large scale. Dust collecting equipment for collecting debris may also be connected to the exit conduit 28 for the purpose of collecting debris that exits along the exit conduit 28.

Referring to fig. 6 and 8, cover plates 34 are respectively provided on the first casing 2 and the second casing 3, the lower boundaries of which are hinged to each other, and latches 35 for locking the upper boundaries of the cover plates 34 are respectively fixedly connected to the upper surfaces of the first casing 2 and the second casing 3. When the workpiece inside the first box 2 and the second box 3 is damaged or more chips are accumulated inside the first box and the second box and need to be cleaned, the cover plate 34 can be opened by opening the lock catch 35.

The implementation principle of the annular cutting machine in the embodiment of the application is as follows: when the insulation board needs to be cut, firstly, the position of the working platform 4 is adjusted according to the thickness of the insulation board needing to be cut; then, the first motor 24 is started to drive the driving wheel 21, the driven wheel 31 and the sawtooth racks 22 to rotate; then place the heated board on work platform 4 and promote the heated board and move towards sawtooth rack 22, the in-process that the heated board removed can take place the contact with sawtooth rack 22 and accomplish the cutting.

When the height of work platform 4 needs to be adjusted, start second motor 51, second motor 51 can drive axis of rotation 53 through chain drive assembly 52 and rotate, and axis of rotation 53 can drive first lead screw 56 through bevel gear set 55 and rotate when rotating, and first lead screw 56 rotates and can drive bracing piece 57, backup pad 58 and work platform 4 and go up and down to can cut out the heated board of different thickness.

When the sawtooth rack 22 is loosened in the rotating process, the rotating hand wheel 66 drives the second lead screw 64 to rotate, the second lead screw 64 can drive the sliding block 63 to move towards the direction far away from the driving wheel 21 when rotating, and the driven wheel 31 can move towards the direction far away from the driving wheel 21 together at the moment, so that the sawtooth rack 22 can be adjusted to be tensioned more.

When the sawtooth rack 22 and the driving wheel 21 deviate, the hand wheel 66 is rotated to drive the screw rod 71 to move towards the inside of the second box body 3, and at the moment, the screw rod 71 can abut against the mounting block 61 to move along the axial direction of the screw rod 71, so that the driven wheel 31 can be driven to move along the axial direction of the screw rod 71, and the driven wheel 31 and the sawtooth rack 22 are accurately butted.

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 an annular cutting machine which characterized in that: comprises a base (1), a first box body (2) and a second box body (3) which are fixedly connected with the upper surface of the base (1);

a driving wheel (21) is rotatably connected inside the first box body (2), a driven wheel (31) is rotatably connected inside the second box body (3), and a sawtooth rack (22) is connected between the driving wheel (21) and the driven wheel (31);

a first motor (24) is fixedly connected to the first box body (2), a belt transmission assembly (25) is arranged in the first box body (2), and the first motor (24) is connected with the driving wheel (21) through the belt transmission assembly (25);

a working platform (4) is arranged between the first box body (2) and the second box body (3), and a lifting mechanism (5) for driving the working platform (4) to lift is arranged on the base (1).

2. The ring cutter according to claim 1, wherein: a mounting plate (11) is fixedly connected between the first box body (2) and the second box body (3) on the base (1);

elevating system (5) are including second motor (51) of fixed connection on base (1), be connected with chain drive subassembly (52) on second motor (51), be connected with axis of rotation (53) that are located mounting panel (11) downside on chain drive subassembly (52), be connected with at least one bevel gear group (55) on axis of rotation (53), fixedly connected with passes vertical first lead screw (56) that upwards set up of mounting panel (11) on bevel gear group (55), threaded connection has upper end and work platform fixed bracing piece (57) mutually on first lead screw (56).

3. The ring cutter according to claim 1, wherein: and a first adjusting component (6) for pushing the driven wheel (31) to move along the horizontal direction is arranged in the second box body (3).

4. The ring cutter according to claim 3, wherein: first adjusting part (6) including installing installation piece (61) inside second box (3), mounting piece (61) have been close to and have seted up sliding tray (611) on the lateral wall from driving wheel (31), sliding tray (611) inside slidable mounting has sliding block (63), fixedly connected with rotates center pin (65) of being connected with from the axle center of driving wheel (31) on the lateral wall of sliding block (63), passes second box (3) and installation piece (61) are provided with second lead screw (64) with sliding block (63) threaded connection, second lead screw (64) are located the outside tip fixedly connected with hand wheel (66) of second box (3).

5. The ring cutter according to claim 4, wherein: a screw rod (71) extending into the second box body (3) is connected to the side wall of the second box body (3) in a threaded manner, and a hand wheel (66) is also fixedly connected to the end part of the screw rod (71) positioned at the outer side of the second box body (3);

a first kidney-shaped hole (32) along the axial direction of the screw (71) is formed in the side wall of the second box body (3), and the second lead screw (64) penetrates through the first kidney-shaped hole (32);

an opening (23) for the horizontal movement of the sawtooth strip (22) is further formed in the side wall of the second box body (3).

6. The ring cutter according to claim 1, wherein: the top of the inner side of the second box body (3) is provided with clamping components (8) which are respectively arranged at the upper side and the lower side of the sawtooth strip (22) and clamp the sawtooth strip (22).

7. The ring cutter according to claim 6, wherein: clamping component (8) are including fixed plate (82) of fixed connection at second box (3) top, set up second waist type hole (821) along vertical direction on fixed plate (82), both sides still set up two first slide bar (83) that have to pass second waist type hole (821) about sawtooth strip (22), two rotate respectively on first slide bar (83) and be connected with first rotation wheel (81) of contradicting with sawtooth strip (22), threaded connection has fastening nut (84) that are located fixed plate (82) both sides respectively on first slide bar (83).

8. The ring cutter according to claim 1, wherein: the top of the inner side of the second box body (3) is provided with a positioning component (9) which is used for abutting against the side wall of the sawtooth strip (22).

9. The ring cutter according to claim 8, wherein: the top of the second box body (3) is provided with a third waist-shaped hole (33) vertical to the sawtooth strip (22);

the positioning assembly (9) comprises a second sliding rod (92) penetrating through a third waist-shaped hole (33), a second rotating wheel (91) horizontally arranged is rotatably connected to the end part, located on the inner side of the second box body (3), of the second sliding rod (92), and fastening nuts (84) located on two sides of the second box body (3) are respectively in threaded connection on the second sliding rod (92).

10. The ring cutter according to claim 1, wherein: the top of the inner side of the first box body (2) is fixedly connected with a scraping plate (27) which is obliquely arranged and is abutted against the sawtooth strips (22).