WO2018210180A1

WO2018210180A1 - Cutting apparatus

Info

Publication number: WO2018210180A1
Application number: PCT/CN2018/086415
Authority: WO
Inventors: 刘�文
Original assignee: 东莞市光博士激光科技股份有限公司
Priority date: 2017-05-16
Filing date: 2018-05-11
Publication date: 2018-11-22
Also published as: BR112019015111A2; RO134050A2; CN106930092A

Abstract

A cutting apparatus comprises: a material feeding device; a material feeding port, a cutting workstation and a product collection workstation that are sequentially disposed in a material feeding direction of the material feeding device; a gantry (21) provided with at least one cutter holder (4) in a suspended manner for mounting a cutting tool. A moving device for driving the cutter holder (4) to move in a 3D space is disposed between the gantry (21) and the cutter holder (4). A material drawing and pressing device and a material fixing and pressing device are disposed sequentially in the material feeding direction between a feed inlet and the cutting workstation.

Description

Cutting machine

Technical field

The present invention relates to a cloth cutting apparatus, and more particularly to a cutting machine.

Background technique

With the continuous development of society, the use of automated cutting equipment to cut or cut cotton, denim, felt and other fabrics can greatly improve the processing precision and production efficiency of the fabric. Most of the existing fabric cutting equipment is laser cutting and Mechanical cutting, laser cutting is not ideal for cutting thick or multi-layer fabrics. Laser cutting can generate a lot of smoke and cause air pollution in the factory. At the same time, laser cutting will cause carbides on the edges of the fabric to affect the quality of fabric cutting. However, the existing mechanical cutting machine has a slow cutting efficiency, and at the same time, the cloth is easily wrinkled due to the influence of the tool during the cutting process, which leads to the material discharging is not smooth, further reducing the precision of the mechanical cutting.

technical problem

It is an object of the present invention to overcome the deficiencies of the prior art and to provide a cutting machine.

Technical solution

In order to achieve the above object, the technical solution provided by the present invention is: a cutting machine comprising a frame and a feeding device disposed on the frame; the frame is arranged with a feeding port and cutting along the feeding direction of the feeding device. a work station and a product collection station, the frame is provided with a gantry above the cutting station, the gantry crane is equipped with at least one tool holder for mounting a tool, and a driving knife is arranged between the gantry frame and the tool holder A moving device that moves in a three-dimensional space, between the feeding port and the cutting station, a traction die device and a fixed die device are sequentially disposed along the feeding direction.

Further illustrated, the feeding device includes a feeding base, a conveyor belt disposed on the feeding base, and a driven shaft disposed at both ends of the conveyor belt, the two ends of the driven shaft disposed at the feeding port and the feeding base a belt tensioning member is disposed, and the power supply drum is disposed outside the feeding port; the feeding base is provided with an adsorption fixing device for fixing the cloth under the cutting station, and the adsorption fixing device comprises an upper surface An adsorption plate of the adsorption hole, a negative pressure chamber disposed inside the adsorption plate, and an air passage communicating with the negative pressure chamber, the negative pressure chamber being composed of a plurality of independent sub-negative pressure chambers, the sub-negative pressure chamber and An electromagnetic control valve is arranged between the air passages, and an air suction pipe is connected to the air passage. The air suction pipe is provided with an air extractor connection port above the rack to externally connect the air extractor.

Further clarifying the solution, the waste collection device is disposed outside the product collection station, and the waste recovery device comprises a conveyor belt side cover, a waste stalk seat, a waste stalk slide rail, and a waste stalk erected on the waste stalk seat, two The conveyor belt side cover is symmetrically fixed at both ends of the driven shaft at the waste recovery device, and the scrap straw is disposed axially between the two conveyor belt side covers along the parallel driven shaft, the scrap rod slide rail It is fixed on the conveyor belt side cover, and the waste rod seat and the scrap straw sliding rail are slidably connected.

Further, the feeding base is provided with a guiding frame between the feeding port and the cutting station along the feeding direction of the conveyor belt, and the fixed pressing device is fixed at one end of the guiding frame near the cutting station, the traction The pressing device moves along the guiding frame between the feeding port and the fixed pressing device, wherein the feeding base is provided with a traction motor for driving the traction and pressing device; the fixed pressing device comprises a first pressing bar arranged in parallel And a fixing rod, a fixing bracket disposed at two ends of the fixing rod, the first pressing rod is disposed in a vertical feeding direction, the fixing rod is fixed to the guiding frame, and the fixing bracket is provided with a cylinder for driving the first pressing rod.

Further illustrated, the traction and pressing device includes a second pressing rod and a moving rod disposed in parallel, a moving rod bracket disposed at two ends of the moving rod, the moving rod is slidably connected with the guiding frame, and the moving rod bracket is provided with a driving The cylinder of the second pressing rod, the cloth conveyed from the feeding port to the cutting station is sequentially passed between the second pressing rod and the moving rod, between the first pressing rod and the fixed rod, the traction motor and the moving The rods are connected by a timing belt drive.

Further illustrating the solution, the mobile device includes an X-axis moving assembly, a Y-axis moving assembly, and a lifting device, the X-axis moving assembly including an X-axis guide, an X-axis screw, and an X-axis driving motor disposed on the gantry. The vertical feeding direction of the gantry is fixed on the frame, and the gantry mounting plate fixed to the frame is disposed at both ends of the gantry, and the X-axis screw sleeve is driven by the X-axis driving motor through the synchronous belt a connected screw nut; the Y-axis moving assembly is moved along the X-axis guide rail under the driving of the X-axis driving motor and the X-axis screw; the gantry is provided with elastic anti-collision members at both ends of the X-axis screw .

Further, the Y-axis moving assembly includes a moving seat and a first slider, a Y-axis guide rail, a Y-axis driving motor, and a Y-axis screw disposed on the moving seat, and the X-axis driving motor is fixed on the moving seat. The screw nut is mounted on the movable seat, the first slider and the X-axis guide are slidably connected, and the lifting device is moved along the Y-axis guide under the driving of the Y-axis driving motor and the Y-axis screw.

Further illustrated, the lifting device includes a mounting seat and a second slider and a lifting drive assembly disposed on the mounting seat, the second sliding block is slidably coupled to the Y-axis guide rail, and the lifting drive assembly is driven by the lifting motor and A vertically disposed guide rod is moved along the guide rod driven by the lift drive motor, and the cutter holder is provided with a cutter holder and a rotary motor for driving the cutter to rotate.

Further clarifying the solution, the gantry and the moving seat are both castings, and the castings are cast iron pieces or cast steel pieces.

Further illustrating the solution, the rack is provided with a projection preview device above the cutting station, and the projection preview device is a projector.

Beneficial effect

Firstly, the cloth and the conveyor belt are clamped together by the traction and pressing device, so that the cloth does not be misaligned during the transportation process, and the cloth is tightly pressed on the conveyor belt by the fixed pressing device to ensure that the cloth is tightly pressed on the conveyor belt. The consistency and precision of the cloth cutting solves the problem that the cloth cutting is easy to be misaligned.

Second, the use of mechanical tools to cut thick or multi-layer fabrics to improve the cutting quality of such fabrics, the cutters clamped on the two holders are driven asynchronously by the various moving devices to improve the fabric. The efficiency of cloth cutting.

Thirdly, the structure layout is reasonable, and the equipment maintenance is more convenient. Through the projector, the cutting pattern can be previewed in advance, and the cutting precision is improved.

Fourthly, the casting is used as the gantry and the movable seat to reduce the deformation of the gantry caused by the weight of the seat and the moving device, thereby improving the cutting precision.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic perspective view of the present invention.

Figure 2 is a schematic view showing the structure of another view of Figure 1.

3 is a schematic structural view of a mobile device and a blade holder.

Figure 4 is a schematic view showing the structure of another view of Figure 3.

Figure 5 is a schematic view showing the structure of a part of the moving device and the holder.

Figure 6 is a schematic view showing the structure of a feeding device.

Figure 7 is a schematic view showing the structure of a traction die device and a fixed die device.

Figure 8 is a schematic view showing the structure of a waste recovery device.

In the figure: 1, frame; 21, gantry; 22, X-axis guide; 23, gantry mounting plate; 24, anti-collision parts; 25, X-axis drive motor; 26, X-axis screw; 27, screw Nut; 3, moving seat; 31, Y-axis driving motor; 32, first slider; 4, knife seat; 41, mounting seat; 42, lifting drive assembly; 43, second slider; 51, feeding base; , conveyor belt; 53, no power roller; 54, conveyor belt tensioning member; 55, suction pipe; 61, first pressure bar; 62, fixed rod; 63, fixed bracket; 64, second pressure bar; Rod; 66, moving rod bracket; 67, traction motor; 68, guide frame; 7, waste recycling device; 71, conveyor belt side cover; 72, waste rod seat; 73, scrap rod; 74, scrap straw slide; , projector; 9, exhaust fan connection.

BEST MODE FOR CARRYING OUT THE INVENTION

Specific embodiments of the present invention will be described with reference to Figs. 1 to 8.

As shown in FIG. 1-8, a cutting machine includes a frame 1 and a feeding device disposed on the frame 1. The frame 1 is provided with a feeding port, a cutting station and a product in sequence along the feeding direction of the feeding device. The collection station is provided with a waste recovery device 7 outside the product collection station. The frame 1 is provided with a gantry 21 above the cutting station, and the gantry 21 is provided with two holders 4 for mounting the cutter, the gantry 21 and the knife. A moving device for moving the knife seat 4 in the three-dimensional space is disposed between the seat 4, and a traction and a fixed pressing device are sequentially disposed between the feeding port and the cutting station along the feeding direction. The frame 1 is provided with a projection preview device above the cutting station, and the projection preview device is a projector 8.

As shown in FIG. 6, the feeding device includes a feeding base 51, a conveying belt 52 disposed on the feeding base 51, and a driven shaft disposed at both ends of the conveying belt 52, and both ends of the driven shaft and the feeding base disposed at the feeding opening A conveyor belt tensioning member 54 is disposed between the 51, and a powerless roller 53 is disposed outside the feeding port. The feeding base 51 is provided with an adsorption fixing device for fixing the cloth below the cutting station, and the adsorption fixing device includes an upper surface. The adsorption plate of the adsorption hole, the negative pressure chamber disposed inside the adsorption plate, and the air passage communicating with the negative pressure chamber, the adsorption hole and the negative pressure chamber are in communication, and the negative pressure chamber is composed of a plurality of independent sub-negative pressure chambers, and the gas An independently controlled electromagnetic control valve is disposed between the channel and each of the sub-negative pressure chambers, and an air suction pipe 55 is connected to the air passage. The air suction pipe 55 is provided with an air extractor connection port 9 above the frame 1 to externally connect the air extractor.

As shown in FIG. 8, the waste recovery device 7 includes a conveyor belt side cover 71, a waste stalk seat, a waste stalk slide rail 74, and a waste stalk erected on the waste stalk seat. The two conveyor belt side hoods 71 are symmetrically fixed at the waste recycling. At both ends of the driven shaft at the device 7, the scrap stalk is disposed axially between the two conveyor belt side covers 71 along the parallel driven shaft, and the scrap rod 73 slide rail is fixed to the conveyor belt side cover 71, the waste rod The 73 seat 72 is slidably coupled to the scrap stalk rail 74.

As shown in FIG. 6-7, the feeding base 51 is provided with a guiding frame 68 along the feeding direction of the conveyor belt 52 between the feeding port and the cutting station, and the fixed pressing device is fixed at one end of the guiding frame 68 near the cutting station. The traction and pressing device moves along the guiding frame 68 between the feeding port and the fixed pressing device, and the feeding base 51 is provided with a traction motor 67 for driving the traction and pressing device; the fixed pressing device includes the first pressure arranged in parallel a rod 61 and a fixing rod 62, a fixing bracket 63 disposed at two ends of the fixing rod 62, the first pressing rod 61 is disposed in a vertical feeding direction, the fixing rod 62 is fixed to the guiding frame 68, and the fixing bracket 63 is provided with a driving first pressing rod 61 cylinders.

As shown in FIG. 6-7, the traction and pressing device includes a second pressing rod 64 and a moving rod 65 disposed in parallel, and a moving rod bracket 66 disposed at two ends of the moving rod 65. The moving rod 65 is slidably connected with the guiding frame 68, and the moving rod is moved. The bracket 66 is provided with a cylinder for driving the second pressing rod 64. The cloth conveyed from the feeding port to the cutting station by the conveying belt 52 is sequentially from between the second pressing rod 64 and the moving rod 65, the first pressing rod 61 and the fixing rod 62. Between the traction motor 67 and the moving rod 65 is connected by a timing belt drive.

As shown in FIGS. 3-5, the mobile device includes an X-axis moving assembly, a Y-axis moving assembly, and a lifting device. The X-axis moving assembly includes an X-axis guide 22, an X-axis screw 26, and an X-axis drive disposed on the gantry 21. The motor 25 and the gantry 21 are fixed in the vertical feeding direction on the frame 1. The two ends of the gantry 21 are provided with a gantry mounting plate 23 fixed to the frame 1, and the X-axis screw 26 is sleeved with the X-axis driving motor. 25 screw nut 27 connected by a timing belt drive; the Y-axis moving assembly is moved along the X-axis guide 22 by the X-axis drive motor 25 and the X-axis screw 26; the gantry 21 is on the X-axis screw 26 The end is provided with an elastic bumper 24.

As shown in FIG. 3-5, the Y-axis moving assembly includes a moving base 3, a first slider 32 disposed on the moving base 3, a Y-axis guide rail, a Y-axis driving motor 31, a Y-axis screw, and an X-axis driving motor 25. Mounted on the moving base 3, the screw nut 27 is mounted on the moving base 3, the first sliding block 32 and the X-axis guide 22 are slidably connected, and the lifting device is driven by the Y-axis driving motor 31 and the Y-axis screw The Y-axis guide moves.

As shown in FIG. 5, the lifting device includes a mounting seat 41 and a second slider 43 and a lifting drive assembly 42 disposed on the mounting seat 41. The second slider 43 is slidably coupled to the Y-axis rail, and the lifting drive assembly 42 is driven by the lifting and lowering. The motor is composed of a vertically arranged guide rod 4, and the knife holder 4 is moved along the guide rod by the driving of the lifting drive motor. The knife holder 4 is provided with a cutter clamping member and a rotating motor for driving the cutter to rotate. Both the gantry 21 and the moving base 3 are castings, and the castings are cast iron pieces.

A cloth rack on which the cloth is placed is disposed outside the feed port, and the cloth in the cloth rack is passed through the unpowered drum 53 of the feed port and then clamped to the traction and pressing device by the second pressure rod 64 and the moving rod 65. On the conveyor belt 52, the traction and pressing device clamps and transports the cloth and the conveyor belt 52 together, and the traction and pressing device acts as a traction for feeding the cutting machine, and the material is moved to press the material to avoid the cloth in the process of transportation. Displaced, the fabric is transported to the fixed pressing device and pressed by the first pressing rod 61, and the pulling and pressing device is returned to the feeding port for the next feeding step, and the cutting tool is clamped on the knife seat 4, and the cutting station is The two cutting tools on the cutting device respectively cut the fabric of the cutting station under the driving of the moving device, and the cloth on the cutting station is adsorbed on the cutting station by the adsorption fixing device, and each sub-negative is controlled by the electromagnetic control valve. The pressure chamber communicates with the air passage, and the cutting machine automatically controls the sub-negative pressure chamber directly under the knife seat to communicate with the air passage according to the position of the knife seat, so as to achieve the effect of the adsorption and fixation of the cloth automatically following the movement of the knife seat, thereby reducing energy waste. After the cutting, the pulling and pressing device continuously transports the subsequent fabric to the cutting station, and the cut waste fabric is recovered by winding the scraping rod 73.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are still within the scope of the technical solutions of the present invention.

Embodiments of the invention

The description paragraphs of the embodiments of the present invention are entered here.

Industrial applicability

The invention relates to a cutting machine which clamps and transports a cloth and a conveyor belt together by a pulling and pressing device, so that the cloth does not be misaligned during the moving process, and the cloth is tightly pressed by the fixed pressing device. On the conveyor belt, the consistency and accuracy of the cloth cutting are ensured, and the problem that the cloth cutting is easily misplaced is solved. Therefore, it has industrial applicability.

Sequence table free content

Type the sequence table free content description paragraph here.

Claims

A cutting machine, comprising: a rack and a feeding device disposed on the rack; the rack is provided with a feeding port, a cutting station and a product collecting station in sequence along the feeding direction of the feeding device, The gantry is provided above the cutting station, and the gantry crane is equipped with at least one tool holder for mounting a tool, and a moving device for moving the tool holder in a three-dimensional space is arranged between the gantry frame and the tool holder A pulling and pressing device and a fixed pressing device are sequentially disposed between the feeding port and the cutting station along the feeding direction.
A cutting machine according to claim 1, wherein said feeding means comprises a feeding base, a conveyor belt disposed on the feeding base, and a driven shaft disposed at both ends of the conveyor belt, said setting being at the inlet a conveyor belt tensioning member is disposed between the two ends of the driven shaft and the feeding base, and the power feeding roller is disposed outside the feeding port; the feeding base is provided with an adsorption fixing device for fixing the cloth below the cutting station. The adsorption fixing device comprises an adsorption plate with an adsorption hole formed on the upper surface, a negative pressure chamber disposed inside the adsorption plate, and an air passage communicating with the negative pressure chamber, wherein the negative pressure chamber is composed of a plurality of independent sub-children The negative pressure chamber is composed of a control valve disposed between the sub-negative pressure chamber and the air passage.
A cutting machine according to claim 2, wherein a waste recovery device is disposed outside the product collection station, and the waste recovery device comprises a conveyor belt side cover, a waste straw seat, a waste straw slide rail, and a erection machine. In the waste stalk on the waste stalk, two of the conveyor belt side hoods are symmetrically fixed at both ends of the driven shaft at the waste recovery device, and the waste stalk is disposed axially along the parallel driven shaft in two conveying Between the belt edge covers, the waste rod slide rail is fixed on the conveyor belt side cover, and the waste rod seat and the waste straw slide rail are slidably connected.
A cutting machine according to claim 2, wherein said feeding base is provided with a guiding frame between the feeding port and the cutting station along the feeding direction of the conveyor belt, and the fixed pressing device is fixed at The guiding frame is adjacent to one end of the cutting station, and the traction and pressing device moves along the guiding frame between the feeding port and the fixed pressing device, wherein the feeding base is provided with a traction motor for driving the traction and pressing device; The fixed pressing device comprises a first pressing rod and a fixing rod arranged in parallel, a fixing bracket disposed at two ends of the fixing rod, the first pressing rod is disposed in a vertical feeding direction, and the fixing rod is fixed with the guiding frame, the fixing A cylinder for driving the first pressing rod is disposed on the bracket.
A cutting machine according to claim 4, wherein said pulling and pressing device comprises a second pressing rod and a moving rod arranged in parallel, a moving rod holder disposed at both ends of the moving rod, said moving rod and guiding a sliding connection, the moving rod bracket is provided with a cylinder for driving the second pressing rod, and the conveying belt is conveyed from the feeding port to the cutting station, and the cloth is sequentially from the second pressing rod and the moving rod, the first pressing rod and the fixing Between the rods, the traction motor and the moving rod are connected by a timing belt drive.
A cutting machine according to claim 1, wherein said moving means comprises an X-axis moving assembly, a Y-axis moving assembly and a lifting device, said X-axis moving assembly comprising an X-axis guide disposed on the gantry The X-axis screw and the X-axis driving motor are fixed to the frame in a vertical feeding direction, and the two ends of the gantry are provided with a gantry mounting plate fixed to the frame, the X-axis screw a threaded rod nut coupled to the X-axis drive motor via a timing belt drive; the Y-axis moving assembly is moved along the X-axis guide rail driven by the X-axis drive motor and the X-axis lead screw; the gantry is at X Elastic bumpers are provided at both ends of the shaft.
A cutting machine according to claim 6, wherein said Y-axis moving assembly comprises a moving seat and a first slider, a Y-axis guide, a Y-axis drive motor, and a Y-axis screw disposed on the movable seat The X-axis driving motor is fixed on the moving seat, the screw nut is mounted on the moving seat, the first sliding block is slidably connected with the X-axis guide rail, and the lifting device drives the motor and the Y-axis in the Y-axis The screw is driven to move along the Y-axis guide.
A cutting machine according to claim 7, wherein said lifting device comprises a mounting seat and a second slider and lifting drive assembly disposed on the mounting seat, said second slider sliding with the Y-axis guide Connected, the lift drive assembly is composed of a lift drive motor and a vertically disposed guide rod, the cutter base is moved along a guide rod driven by a lift drive motor, and the cutter holder is provided with a cutter clamp and a drive The rotating motor that rotates the tool.
A cutting machine according to claim 8, wherein said gantry and said moving seat are both castings, said castings being cast iron or cast steel.
A cutting machine according to any one of claims 1 to 9, wherein the frame is provided with a projection preview device above the cutting station, and the projection preview device is a projector.