CN113478658A - Trimming device - Google Patents
Trimming device Download PDFInfo
- Publication number
- CN113478658A CN113478658A CN202110663825.1A CN202110663825A CN113478658A CN 113478658 A CN113478658 A CN 113478658A CN 202110663825 A CN202110663825 A CN 202110663825A CN 113478658 A CN113478658 A CN 113478658A
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- Prior art keywords
- gypsum board
- cutting blade
- cutting
- board
- blade
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/048—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with a plurality of saw blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A trimming device, comprising: an edge sawing machine, the edge sawing machine comprising: a main support; the movable support comprises a movable plate hinged with the main support; the lifting driving mechanism is used for driving the free end of the movable plate to swing up and down; the first circular sawing machine is arranged on the main bracket and comprises a first cutting blade; the second circular sawing machine is arranged on the free end and comprises a second cutting blade, and the second circular sawing machine is arranged on the feeding side of the first cutting blade and is parallel and level to the first cutting blade. The edge sawing device can reduce the situation that a first circular sawing machine cuts off the gypsum board incompletely and paper hair is more, and can avoid the board tail residual material block of the gypsum board caused by incomplete edge sawing of the board tail.
Description
Technical Field
The present invention relates to a gypsum board processing equipment technology, in particular, it relates to a edge-sawing device.
Background
The paper-surface gypsum board is a board made up by using building gypsum as raw material, adding proper quantity of additive, fibre and diluted foaming agent, uniformly mixing them in a stirring machine and using special board paper as surface protection material.
In the production process of the paper-surface gypsum board, the dried board needs to be leveled and cut to the end surface, so that the end surface is guaranteed to have no paper wool and fall materials, and is level and attractive.
The gypsum board trimming saw used at present is easy to saw incomplete trimming and bring paper dust when sawing the edge of a paper-surface gypsum board, if no supporting lining is arranged when sawing the tail part of the paper-surface gypsum board, the saw edge is incomplete and remains material blocks, and the edge sealing quality of the next procedure is seriously influenced. Therefore, the quality of the sawn edge plays a critical role in the appearance quality of the whole paper-surface gypsum board.
Disclosure of Invention
In order to solve the above problems, the present application provides a trimming device, which includes: an edge sawing machine, the edge sawing machine comprising:
a main support;
the movable support comprises a movable plate hinged with the main support;
the lifting driving mechanism is used for driving the free end of the movable plate to swing up and down;
the first circular sawing machine is arranged on the main bracket and comprises a first cutting blade;
the second circular sawing machine is arranged on the free end and comprises a second cutting blade, and the second circular sawing machine is arranged on the feeding side of the first cutting blade and is flush with the first cutting blade;
the lifting driving mechanism is used for driving the movable plate to swing downwards when the board tail of the gypsum board does not reach the cutting position, so that the second cutting blade can cut a straight cutting groove in the bottom of the gypsum board, and driving the movable plate to swing upwards when the board tail of the gypsum board reaches the cutting position, so that the second cutting blade cuts through the board tail at the cutting position; the first cutting blade is used for cutting through the gypsum board along the straight cutting groove; the depth of the straight cutting groove is larger than the thickness of the facing paper of the gypsum board.
In the technical scheme, the first cutting blade and the second cutting blade jointly cut off the leftover bits of the gypsum board, in the process, the second circular saw machine firstly cuts off the protective paper on the lower side of the gypsum board, then the first circular saw machine completely cuts through the gypsum board, so that the situation that the first circular saw machine cuts off the paper and has more paper and hair caused by incomplete cutting can be reduced, meanwhile, before the leftover bits are completely separated from the main board, the second circular saw machine cuts through the gypsum board at the board tail of the gypsum board after rising to enable the main board at the board tail to be separated from the leftover bits of the gypsum board before the main board at the front end of the board tail, and the phenomenon that the board tail of the gypsum board is remained due to incomplete edge cutting of the board tail can be avoided.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification and the drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
FIG. 1 is a front view of an edge trimming apparatus according to an embodiment of the present invention;
FIG. 2 is a top view of an edge trimming apparatus in an embodiment of the present invention;
FIG. 3 is a top view of a trimming mechanism in an embodiment of the present invention;
fig. 4 is a movement state diagram of an edge trimming device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, fig. 1 and 2 show a trimming device 100 according to the present embodiment. The trimming device 100 can automatically trim the plasterboard 3, which may be a paper-faced plasterboard 3. The paper-surface gypsum board 3 comprises two layers of surface paper and a gypsum core board, and the gypsum core board is clamped between the two layers of surface paper. The trimming device 100 includes a trimming machine 2, a detection assembly 4, a conveyor 1, and a controller. The conveyor 1 is used to carry and convey gypsum boards 3. The edge sawing machine 2 is arranged on one side of the conveyor 1 and is used for sawing edges of the gypsum boards 3 when the gypsum boards 3 pass through the edge sawing machine 2. The detection assembly 4 is used to detect the position of the gypsum board 3.
The conveyor 1 includes a frame 11, a slide 111, a rail 112, and a slide drive mechanism 12. The chute 111 is provided on the top of the frame 11, and the frame 11 supports the chute 111. The slide 111 extends in a horizontal straight line. The top surface of the slide rail 111 is a supporting surface, the gypsum board 3 is placed on the supporting surface of the slide rail 111, the board surface of the gypsum board 3 is abutted against the supporting surface, and the supporting surface of the slide rail 111 supports the gypsum board 3. The supporting surface of the chute 111 is smooth, and the gypsum board 3 can slide along the supporting surface of the chute 111. The slide rail 111 is provided with a plurality of slide rails 111, the plurality of slide rails 111 are parallel to each other, and the plurality of slide rails 111 support the gypsum board 3 together. In this embodiment, two sliding rails 111 are provided, and the two sliding rails 111 are respectively located at two opposite sides of the rack 11. The two runners 111 support the plasterboard 3 on opposite sides of the bottom of the plasterboard 3. The rail 112 is provided on the frame 11. The track 112 may be configured as a straight slot. The track 112 extends in the same direction as the slide 111.
The slide driving mechanism 12 is used to drive the gypsum board 3 to slide along the slide rail 111. The slide drive mechanism 12 includes a pallet truck 13, a chain 14, and a chain drive mechanism (not shown in the drawings). The cart 13 is disposed in the rail 112 and can travel along the rail 112. The pusher 13 includes a body 131, wheels 132, and a pusher section 133. The number of the wheels 132 may be plural, for example, 4. Wheels 132 are provided at the bottom of the vehicle body 131. The push plate portion 133 is provided at the top of the vehicle body 131. The height of the top of the push plate portion 133 is greater than the height of the support surface of the slide 111. The chain 14 is disposed within the track 112 and at the bottom of the vehicle body 131. The portion of chain 14 within track 112 is parallel to the direction of extension of track 112. The chain 14 is connected to the vehicle body 131. The chain driving mechanism can drive the chain 14 to move along the extending direction of the rail 112, so as to drive the vehicle body 131 to travel along the extending direction of the rail 112. When the vehicle body 131 travels along the rail 112, one side surface of the pusher 133 of the pusher 13 can abut against the end surface of the gypsum board 3 to push the gypsum board 3 to slide along the slide rail 111.
In the present embodiment, the rails 112 are provided in two, and the two rails 112 are parallel to each other. Two rails 112 are disposed on opposite sides of the frame 11. The slide driving mechanisms 12 are provided with two chains 14, the two chains 14 of the slide driving mechanisms 12 are respectively arranged in the two tracks 112, and the pusher carriages 13 of the two slide driving mechanisms 12 are respectively arranged in the two tracks 112 and are respectively connected to the two chains 14. The two chains 14 can drag the two board pushing cars 13 to move synchronously, so that the two board pushing cars 13 can push opposite sides of the gypsum board 3 synchronously, the gypsum board 3 is pushed by the two board pushing cars 13 from two sides, and the gypsum board 3 can slide on the slide rail 111 more stably.
As shown in fig. 3, the trimming machine 2 includes a backing plate 25, a main support 21, a movable support 22, a lifting drive mechanism 27, a first circular saw 23, and a second circular saw 24. The movable support 22, the elevation drive mechanism 27, and the first circular saw 23 are provided on the main support 21, and the second circular saw 24 is provided on the movable support 22.
The backing plate 25 may be a flat plate of a straight strip shape. The lining plate 25 is arranged outside the slideway 111, and the extending direction of the lining plate 25 is the same as the extending direction of the slideway 111. The liner 25 may be fixed to the frame 11. The upward surface of the lining plate 25 is a bearing surface. The bearing surface of the liner 25 is flush with the bearing surface of the slideway 111.
The main support 21 includes a support plate 221 and a strut 212. The supporting plate 221 is horizontally disposed. The supporting rods 212 are disposed at the bottom of the supporting plate 221. The supporting plate 221 is supported by the supporting rod 212. One end of the strut 212 may be connected to the frame 11 and the other end of the strut 212 may be connected to the bottom of the support plate 221. The support plate 221 is located on the side of the lining panel 25 facing away from the conveyor 1, with a spacing from the lining panel 25.
The first circular saw machine 23 includes a first motor 231 and a first cutting blade 232. The first motor 231 is fixed to the upward plate surface of the support plate 221. The main shaft of the first motor 231 is extended toward a side close to the backing plate 25. A first cutting blade 232 is provided on the main shaft of the first motor 231. The first cutting blade 232 is parallel to the extension direction of the backing plate 25. The first cutting blade 232 is adjacent the backing plate 25. The first cutting blade 232 is parallel to the direction of movement of the plasterboard 3. The first circular saw machine 23 has a feed side on its side from which the plasterboard 3 to be edged enters the cutting region of the first cutting blade 232. The distance from the highest position of the first cutting blade 232 of the first circular saw machine 23 to the plane of the bearing surface of the liner 25 is greater than the thickness of the plasterboard 3. The first cutting blade 232 can cut through the line of demarcation of the trim and the main panel of the gypsum board 3, thereby cutting the trim from the gypsum board 3. The axis of the first cutting blade 232 is perpendicular to the extension direction of the slideway 111.
The movable support 22 is arranged on the feed side of the first circular saw machine 23. The movable bracket 22 includes a bearing block 223, a rotation shaft 222, and a movable plate 221. The movable plate 221 may be rectangular. One end of the movable plate 221 is connected to the rotating shaft 222, and the rotating shaft 222 extends along an end surface of the movable plate 221. The shaft 222 is also parallel to the axis of the first cutting blade 232. The bearing housing 223 is fixed on the upper surface of the support plate 221. The rotating shaft 222 is inserted into the bearing seat 223 and forms a rotating connection with the bearing seat 223. The number of the bearing seats 223 may be two, and both ends of the rotating shaft 222 are rotatably connected to the two bearing seats 223, respectively. Thus, the movable plate 221 is hinged to the support plate 221, and the movable plate 221 can swing about the rotation shaft 222.
The lifting driving mechanism 27 is used for driving the free end of the movable plate 221 to swing up and down. The lifting driving mechanism 27 is connected to the frame 11 and the movable plate 221, respectively. The lift driving mechanism 27 may be an air cylinder or an oil cylinder. The cylinder body of the cylinder or the oil cylinder is fixed on the frame 11, and the piston rod of the cylinder or the oil cylinder extends upwards. The piston rod of the cylinder or oil cylinder is hinged to the movable plate 221. The elevation drive mechanism 27 is electrically connected to the controller through a cable.
The second circular saw machine 24 includes a second motor 241 and a second cutting blade 242. The diameter of the second cutting blade 242 is smaller than the diameter of the first cutting blade 232. The second motor 241 is disposed on an upward surface of the movable plate 221. The main shaft of the second motor 241 is extended toward a side close to the backing plate 25. A second cutting blade 242 is provided on the main shaft of the second motor 241. The second cutting blade 242 is flush with the first cutting blade 232 and is located on the feed side of the first cutting blade 232. The second circular saw 24 can be raised as the free end of the flap 221 swings upward and can be lowered as the free end of the flap 221 swings downward. The axis of the second cutting blade 242 is perpendicular to the extension direction of the slideway 111.
As shown in fig. 4, the second circular saw machine 24 can be lifted from a lowered position 101 to a raised position 102, the lowered position 101 being lower than the raised position 102.
When the second circular saw machine 24 is in the lowered position 101, the distance between the highest portion of the second cutting blade 242 and the plane of the support surface of the liner 25 is greater than the thickness of the facing paper of the gypsum board 3 and less than the thickness of the entire gypsum board 3. The distance between the highest point of the second cutting blade 242 and the plane of the back-up surface of the backing plate 25 when the second circular saw machine 24 is in the lowered position 101 may be 2 mm. In this way, the second circular saw machine 24 can cut the facing paper of the gypsum board 3 facing downward when in the lowered position 101, and can cut a straight groove in the bottom of the gypsum board 3 without completely cutting through the gypsum board 3. Preferably, the second circular saw machine 24 cuts only the facing paper of the gypsum board 3 facing downward in the lowered state.
The distance between the uppermost portion of the second saw blade 242 and the plane of the carrying surface of the liner 25 when the second circular saw machine 24 is in the raised position 102 is greater than the thickness of the gypsum board 3 as a whole. The second circular saw machine 24 is able to cut through the plasterboard 3 when in the raised position 102. When the second circular saw machine 24 is in the raised position 102, the second cutting blade 242 is in the cutting position 52.
The detection assembly 4 is arranged on the conveyor 1. The detection assembly 4 is located on the feed side of the second circular saw machine 24. The detection assembly 4 is used to detect whether the plasterboard 3 to be edge-sawed reaches the detection position 51. The detection position 51 is located upstream of the second circular saw machine 24. The detection assembly 4 may be a proximity switch. The detection assembly 4 is connected to the controller. The detection assembly 4 is triggered when the gypsum board 3 reaches the detection position 51, and the detection assembly 4 sends a trigger signal to the controller after being triggered.
The controller is configured to start timing after receiving the trigger signal, and drive the lifting drive mechanism 27 to lift the second circular saw 24 to the lifting position 102 after a preset time period required for the gypsum board 3 to move from the detection position 51 to the position where the board tail of the gypsum board 3 is located at the cutting position 52, so that the second circular saw 24 completely cuts through the leftover material of the board tail of the gypsum board 3.
In the present embodiment, the time at which the conveyor 1 conveys the gypsum board 3 from the detection position 51 to the board tail of the gypsum board 3 at the cutting position 52 is a known value, and therefore the preset time period can be set to the known value. For example, the conveying speed of the conveyor 1 is constant, and the distance by which the gypsum board 3 moves from the detection position 51 to the position where the board tail of the gypsum board 3 is located at the cutting position 52 is divided by the conveying speed of the conveyor 1 to obtain a preset time period.
As shown in fig. 4, when the edge-sawing device 100 is used to saw edges of the plasterboard 3 to be sawn, the first circular saw machine 23 and the second circular saw machine 24 are started, and the plasterboard 3 is conveyed by the conveyor 1 through the second circular saw machine 24 and the first circular saw machine 23 in sequence from the side of the second circular saw machine 24 facing away from the first circular saw machine 23. When the plasterboard 3 is conveyed to the detection position 51 upstream of the second circular saw machine 24, the detection assembly 4 is triggered, the detection assembly 4 sends a trigger signal to the controller, the controller starts timing after receiving the trigger signal, in the process, the second circular saw machine 24 is still in the lowered position 101, and before the tail end of the gypsum board 3 reaches the cutting position 52, the front end of the gypsum board 3 passes through the second cutting blade 242 of the second circular saw machine 24, the second cutting blade 242 cuts the facing paper of the gypsum board 3 downward along the boundary line between the main board and the leftover bits of the gypsum board 3 to form a straight cut groove extending along the boundary line at the bottom of the gypsum board 3, the depth of the straight cut groove is greater than the thickness of the cover paper, so that the second cutting blade 242 cuts the cover paper on the lower side of the gypsum board 3 without cutting through the gypsum board, and the two sides of the straight cut groove are the main board and the corner excess material of the gypsum board 3, respectively. The front end portion of the gypsum board 3 is further cut by the first cutting blade 232, and the first cutting blade 232 cuts the straight cut groove through along the straight cut groove so that the leftover bits of the gypsum board 3 are gradually separated from the main board of the gypsum board 3. When the controller reaches a preset time length, the board tail of the gypsum board 3 reaches the cutting position 52, the controller drives the lifting driving mechanism 27 to lift the second circular saw 24 to the lifting position 102, the second cutting blade 242 enters the cutting position 52 to cut through the boundary between the leftover material at the tail board of the gypsum board 3 and the main board, and finally, as the gypsum board 3 advances, the first cutting blade 232 cuts through the last boundary left before the board tail so as to completely separate the main board of the gypsum board 3 from the leftover material. The liner plate 25 holds the edges of the main board of the gypsum board 3 when the first and second cutting blades 232 and 242 cut the gypsum board 3, preventing the main board of the gypsum board 3 from being deformed or broken.
Thus, the first cutting blade 232 and the second cutting blade 242 cut off the leftover bits of the gypsum board 3 together, in the process, the second circular saw machine 24 cuts off the protective paper on the lower side of the gypsum board 3 first, then the first circular saw machine 23 cuts through the gypsum board 3 completely, so that the situation that the first circular saw machine 23 cuts off the paper and paper hair thoroughly and causes much paper hair can be reduced, meanwhile, before the leftover bits are completely separated from the main board, the second circular saw machine 24 rises to the rising position 102 and then cuts through the gypsum board 3 at the board tail of the gypsum board 3 to separate the main board at the board tail from the leftover bits of the main board at the front end of the board tail before the leftover bits are completely separated from the main board, and the board tail material block of the gypsum board 3 caused by the incomplete edge sawing of the board tail can be avoided.
In an exemplary embodiment, the trimming machine 2 further comprises an adjusting screw 29. The adjusting screw 29 penetrates the supporting plate 211 and is in threaded connection with the supporting plate 211. The upward end of the adjusting screw 29 abuts against the lower surface of the movable plate 221. The adjusting screw 29 can adjust the lowest position of the free end of the movable plate 221, thereby adjusting the height of the second cutting blade 242 when the second circular saw machine 24 is in the lowered position 101, and further adjusting the depth to which the second cutting blade 242 cuts the gypsum board when in the lowered position 101.
In an exemplary embodiment, the first circular saw machine 23 further includes a crushing saw blade 233. The crushing blade 233 has a diameter smaller than that of the first cutting blade 232. The pulverizing blade 233 is installed on the main shaft of the first motor 231 and is coaxially disposed with the first cutting blade 232. The crushing saw blade 233 is disposed on a side of the first cutting blade 232 facing away from the backing plate 25 and abuts against the first cutting blade 232. The pulverizing blade 233 rotates in synchronization with the first cutting blade 232.
The trimming machine 2 further comprises a striking plate 26. The reaction plate 26 is located on the side of the backing plate 25 adjacent to the shredder blade 233. The impact plate 26 is provided with a projection 261 projecting in a direction approaching the backing plate 25. The bulge 261 of the impact plate 26 abuts against the backing plate 25, and two gaps 262 are formed between opposite sides of the bulge 261 of the impact plate 26 and the backing plate 25. The top surface of the impact plate 26 is planar and flush with the bearing surface of the backing plate 25. The impact plate 26 is located between the first circular saw machine 23 and the second circular saw machine 24. The first circular saw 23 and the second circular saw 24 each extend into two gaps 262 formed between the striking plate 26 and the backing plate 25. The striking plate 26 is adjacent to the outer edge of the crushing blade 233, and a gap is formed between the striking plate 26 and the outer edge of the crushing blade 233.
After the first cutting blade 232 cuts the boundary line between the leftover bits and the main board, the crushing blade 233 is engaged with the impact plate 26 to crush the leftover bits cut by the first cutting blade 232 into powder.
In an exemplary embodiment, the trimming saw 2 further includes a dust collecting pipe 28, and the dust collecting pipe 28 is provided at the bottom of the crushing blade 233 and is opened. The powder crushed by the crushing saw blade 233 falls into the dust collecting pipe 28 and can be recovered by the dust collecting pipe 28.
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
Claims (10)
1. A trimming device, comprising: an edge sawing machine, the edge sawing machine comprising:
a main support;
the movable support comprises a movable plate hinged with the main support;
the lifting driving mechanism is used for driving the free end of the movable plate to swing up and down;
the first circular sawing machine is arranged on the main bracket and comprises a first cutting blade;
the second circular sawing machine is arranged on the free end and comprises a second cutting blade, and the second circular sawing machine is arranged on the feeding side of the first cutting blade and is flush with the first cutting blade;
the lifting driving mechanism is used for driving the movable plate to swing downwards when the board tail of the gypsum board does not reach the cutting position, so that the second cutting blade can cut a straight cutting groove in the bottom of the gypsum board, and driving the movable plate to swing upwards when the board tail of the gypsum board reaches the cutting position, so that the second cutting blade cuts through the board tail at the cutting position; the first cutting blade is used for cutting through the gypsum board along the straight cutting groove; the depth of the straight cutting groove is larger than the thickness of the facing paper of the gypsum board.
2. The apparatus as claimed in claim 1, wherein the axis of rotation of the movable plate is parallel to the axis of the first circular saw machine.
3. The apparatus of claim 1, wherein the edger further comprises a liner disposed on a same side of the first and second saw blades, the liner including a bearing surface for supporting gypsum board;
the distance from the highest position of the first cutting blade to the plane of the bearing surface is greater than the thickness of the gypsum board cut by the first cutting blade;
the second circular saw can swing downwards to a lower position along with the movable plate and also can swing upwards to a raised position along with the movable plate, and when the second circular saw is at the lower position, the distance between the highest part of the second cutting blade and the plane of the bearing surface is greater than the thickness of the facing paper of the gypsum board and less than the thickness of the whole gypsum board; when the second circular saw machine is in the lifting position, the distance between the highest position of the second cutting saw blade and the plane of the bearing surface is larger than the thickness of the whole gypsum board.
4. The trimming device according to claim 3, wherein the first circular saw further comprises a crushing saw blade having a diameter smaller than the first cutting blade and coaxial with the first cutting blade, the crushing saw blade being disposed on a side of the first cutting blade facing away from the backing plate and abutting against the first cutting blade;
the trimming machine further comprises a reaction plate arranged on one side, close to the crushing saw blade, of the lining plate, and a gap is formed between the reaction plate and the outer edge of the crushing saw blade.
5. The apparatus of claim 1, wherein the lift drive mechanism is a pneumatic cylinder or an oil cylinder.
6. The trimming device according to claim 1, wherein the first cutting blade has a diameter larger than a diameter of the second cutting blade.
7. The apparatus of any one of claims 1 to 6, further comprising a conveyor, a controller and a detection assembly;
the edge sawing machine is arranged on one side of the conveyor, and the conveyor is used for conveying the gypsum boards and enabling the gypsum boards to sequentially pass through the second circular saw and the first circular saw;
the detection assembly is arranged on the conveyor and used for sending a trigger signal to the controller when the gypsum board is detected to reach an inspection position located at the upstream of the second circular saw;
the controller is electrically connected with the detection assembly and the lifting driving mechanism and configured to start timing after receiving a trigger signal, and drive the lifting driving mechanism to drive the movable plate to swing upwards after the gypsum board moves from the detection position to a preset time required by the position of the board tail of the gypsum board at the cutting position, so that the second cutting saw blade penetrates through the board tail at the cutting position.
8. The apparatus of claim 7, wherein the detection assembly is a proximity switch.
9. The apparatus of claim 7, wherein the conveyor comprises a frame and a slide drive mechanism both disposed on the frame;
the slideway extends along a straight line, the axes of the first saw blade and the second saw blade are both vertical to the extending direction of the slideway, and the slideway is used for supporting the gypsum board;
the sliding driving mechanism is used for driving the gypsum board to slide along the slide way.
10. The apparatus of claim 9, wherein the conveyor further comprises a rail disposed on the frame, the rail extending in the same direction as the run;
the slide driving mechanism comprises
The plate pushing vehicle runs along the track;
a chain arranged along the track and connected to the pallet truck;
the chain driving mechanism is used for driving the chain to move along the track so that the chain pulls the plate pushing trolley to travel along the track;
wherein, the shallow can promote the gypsum board and slide along the slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663825.1A CN113478658B (en) | 2021-06-16 | 2021-06-16 | Trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663825.1A CN113478658B (en) | 2021-06-16 | 2021-06-16 | Trimming device |
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| Publication Number | Publication Date |
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| CN113478658A true CN113478658A (en) | 2021-10-08 |
| CN113478658B CN113478658B (en) | 2023-04-18 |
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| CN202110663825.1A Active CN113478658B (en) | 2021-06-16 | 2021-06-16 | Trimming device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876789A (en) * | 1988-04-22 | 1989-10-31 | Burwell Joseph M | Apparatus for measuring and cutting sheetrock |
| EP1834721A1 (en) * | 2006-03-15 | 2007-09-19 | Otto Martin Maschinenbau GmbH & Co. KG | Method and device for scoring depth control for scoring saws |
| JP3141751U (en) * | 2008-03-04 | 2008-05-22 | 稔 八田 | Circular saw |
| CN105035751A (en) * | 2015-07-28 | 2015-11-11 | 北新集团建材股份有限公司 | Slat machine |
| CN205521892U (en) * | 2016-01-21 | 2016-08-31 | 北新集团建材股份有限公司 | Shutting -off system of location gypsum board |
| CN107351263A (en) * | 2016-05-09 | 2017-11-17 | 镇江北新建材有限公司 | A kind of multi-functional lath scratching device |
| CN109382899A (en) * | 2018-11-23 | 2019-02-26 | 山东腾飞机电科技有限公司 | A kind of plasterboard cutting machine for gypsum board production line |
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2021
- 2021-06-16 CN CN202110663825.1A patent/CN113478658B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876789A (en) * | 1988-04-22 | 1989-10-31 | Burwell Joseph M | Apparatus for measuring and cutting sheetrock |
| EP1834721A1 (en) * | 2006-03-15 | 2007-09-19 | Otto Martin Maschinenbau GmbH & Co. KG | Method and device for scoring depth control for scoring saws |
| JP3141751U (en) * | 2008-03-04 | 2008-05-22 | 稔 八田 | Circular saw |
| CN105035751A (en) * | 2015-07-28 | 2015-11-11 | 北新集团建材股份有限公司 | Slat machine |
| CN205521892U (en) * | 2016-01-21 | 2016-08-31 | 北新集团建材股份有限公司 | Shutting -off system of location gypsum board |
| CN107351263A (en) * | 2016-05-09 | 2017-11-17 | 镇江北新建材有限公司 | A kind of multi-functional lath scratching device |
| CN109382899A (en) * | 2018-11-23 | 2019-02-26 | 山东腾飞机电科技有限公司 | A kind of plasterboard cutting machine for gypsum board production line |
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|---|---|
| CN113478658B (en) | 2023-04-18 |
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