CN115609648A - A precision fixed-length multi-section cutting equipment for two composite plastic strips - Google Patents

Abstract

The invention discloses a precision fixed-length multi-segment cutting equipment for two composite plastic strips. Clamping mold tires and traction wheel pinch mechanism, a movable positioning wheel set is installed on one side of the pneumatic cutting group, a PLC control cabinet and an air bag are fixedly installed in the frame, and a fixed installation is installed at the end of the frame The controller, the controller is electrically connected with the PLC control cabinet, the inlet end of the PLC control cabinet is connected to the air bag through the air pipe, and the air outlet end is respectively connected to the pneumatic cutting group, the movable positioning wheel group, and the pneumatic clamping group through the air pipe. The molded tire and the cylinder connection on the traction wheel pinch mechanism. The invention can realize automatic feeding and automatic cutting, which not only has high work efficiency, but also reduces labor costs; and adopts multi-knife and multi-section simultaneous punching, which not only greatly improves work efficiency, but also has controllable cutting distance, which ensures the fixed position of the product. long precision.

Description

A precision fixed-length multi-section cutting equipment for two composite plastic strips

technical field

The invention relates to a precision fixed-length multi-section cutting device for two composite plastic strips, which belongs to the technical field of composite plastic strip processing.

Background technique

The two composite plastic strips are composite materials made of hard PP material and soft TPV, as shown in Figure 10, and are used on car wipers to guide airflow. In the prior art, when cutting the composite material, a thick steel plate is used as a fixed-length limit stopper, and the paper cutting blade is clamped by the AirTAC biaxial cylinder to punch the composite material. The manual valve can only cut a section of composite material at a time, which not only has low efficiency, but also has a lot of surplus material, resulting in low material utilization. In addition, the length of the parts is relatively short, requiring high precision in length fixing (up to 0.369%). The main body of the material is soft TPV, and the parts are easily bent and deformed, which brings difficulties to precise length determination. In addition, the cut end faces of the products are required to be neat and free of deformation, and the end faces of the products The flatness of the flatness is required to be below 0.3mm, and the quality of the outer surface is required to be clean and free of scratches (no traces of friction under high light). Therefore, the existing cutting methods cannot meet the above requirements.

Utility model content

In order to solve the problems existing in the prior art, the present invention provides a precision fixed-length multi-segment cutting equipment for two composite plastic strips. The turnover and waste cutting process avoids the production of product scraps, and the effect of cost reduction and efficiency increase is remarkable.

The technical solution of the present invention: a precision fixed-length multi-section cutting equipment for two composite plastic strips, including a frame, a slope plate is fixedly connected to the top of the frame, and a pneumatic cutting group is installed on the slope plate from left to right , Pneumatic clamping mold tire, and traction wheel pinch mechanism, a movable positioning wheel set is installed on one side of the pneumatic cutting group, a PLC control cabinet and an air bag are fixedly installed in the frame, and fixed at the end of the frame A controller is installed, and the controller is electrically connected to the PLC control cabinet. The air inlet end of the PLC control cabinet is connected to the air bag through the air pipe, and the air outlet end is respectively connected to the pneumatic cutting group, the movable positioning wheel group, and the pneumatic air bag through the air pipe. Clamp molded tires and the cylinder connection on the traction wheel pinch mechanism.

Further, the pneumatic cutting group includes a set of L-shaped support plates whose setting value is set on the slope plate, a chute is opened on the slope plate, and a protrusion that is slidably matched with the chute is provided at the bottom of the L-shaped support plate. On the slope plate and one side of the L-shaped support plate, an adjustment seat is fixedly connected with bolts, and the adjustment seat is threaded with the L-shaped support plate through adjustment screws, and on each L-shaped support plate A cutting cylinder is fixedly installed, and a knife seat is fixedly connected to the telescopic rod of the cutting cylinder, and a utility blade perpendicular to the surface of the slope plate is fixedly installed on the knife seat.

Furthermore, a limit stopper is fixedly installed at the end of the chute, and a protective cover is fixedly installed outside the utility blade.

Further, the movable positioning wheel set includes two uprights fixedly installed on the slope plate, sliders are slidably connected to the two uprights, a beam is fixedly connected between the two sliders, and a beam is fixedly connected to the beam. There is a group of struts, a positioning wheel is connected to the end of each strut, a connecting plate is fixedly connected to the center of the beam, and a positioning cylinder is fixedly connected to the bottom of the slope plate and corresponding to the position of the connecting plate. The positioning cylinder The telescopic rod is fixedly connected with the connecting plate.

Further, the pneumatic clamping mold tire includes a mold tire seat and a clamping cylinder fixed on the top of the mold tire seat, a lower mold tire is fixedly installed on the bottom of the mold tire seat, and a telescopic rod of the clamping cylinder is fixedly connected with a The upper mold tire matched with the lower mold tire.

Further, the traction wheel pinch mechanism includes a guide wheel, a limit wheel, a guide wheel, a pinch wheel and a righting wheel arranged in pairs, and an L-shaped support rod is fixedly connected to the right end of the slope plate, and the L-shaped support rod The top of the top is fixedly connected with a support plate parallel to the slope plate, and a pair of guide wheels and a pair of limit wheels are respectively rotated and connected to the support plate, and a guide wheel mounting seat and a pinch wheel mounting seat are respectively fixedly installed on the slope plate. A pair of guiding wheels are rotatably connected to the mounting seat of the guiding wheel, a pair of straightening wheels are rotatably connected to one end of the mounting seat of the pinch wheel, and a pinch cylinder is fixedly installed on the top of the other end of the mounting seat of the pinch wheel. A movable synchronous wheel is fixedly connected to the telescopic rod of the air delivery cylinder, and a fixed synchronous wheel is fixedly installed at the bottom of the slope plate and below the movable synchronous wheel, and the movable synchronous wheel and the fixed synchronous wheel are connected through a synchronous belt drive , a pair of pinch wheels are respectively fixedly connected to the rotating shafts of the movable synchronous wheel and the fixed synchronous wheel, and a pinch motor is fixedly installed at the bottom of the slope plate and below the fixed synchronous wheel, and the pinch motor is connected to the fixed synchronous wheel. The controller is electrically connected, and a drive wheel is fixedly connected to the output shaft of the pinch motor, and the drive wheel is connected to the fixed synchronous wheel through a synchronous belt transmission.

Further, a material placement frame is provided on the side of the frame close to the traction wheel pinch mechanism.

Further, an illuminating lamp is fixedly installed on the frame and above the slope plate.

Owing to adopting above-mentioned technical scheme, the advantage of the present invention is:

① The present invention can realize automatic feeding and automatic cutting, which not only has high work efficiency, but also reduces labor costs;

②The present invention adopts utility blade punching, the cutting section is neat and without deformation, and adopts multi-knife and multi-segment punching at the same time, which not only greatly improves the work efficiency, but also the cutting distance is controllable, the remaining material head is less, saving material cost and ensuring The fixed-length accuracy of the product;

③The blanking method adopts a slope-type sliding blanking method, which avoids the product from tumbling during blanking, and makes the scratches on the surface of the product and other objects due to relative movement.

Description of drawings

Fig. 1 is the perspective view of structural representation of the present invention;

Fig. 2 is the front view of structural representation of the present invention;

Fig. 3 is the three-dimensional view of the structural schematic diagram of pneumatic cutting group;

Figure 4 is an enlarged view of A in Figure 3;

Fig. 5 is the front perspective view of the structural schematic diagram of the movable positioning wheel set;

Fig. 6 is the rear perspective view of the structural schematic diagram of the movable positioning wheel set;

Fig. 7 is the left perspective view of the structural schematic diagram of pneumatic clamping mold tire and traction wheel pinch mechanism;

Fig. 8 is the perspective view on the right side of the structural schematic diagram of the pneumatic clamping mold tire and traction wheel pinch mechanism;

Fig. 9 is a rear perspective view of a structural schematic diagram of a pneumatic clamping mold tire and traction wheel pinch mechanism.

Fig. 10 is a schematic cross-sectional structure diagram of two composite plastic strips in the embodiment of the invention.

detailed description

In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Embodiments of the present invention: referring to Fig. 1 and Fig. 2, the precision fixed-length multi-section cutting equipment of two composite plastic strips comprises a frame 1, and a ramp plate 2 is fixedly connected to the top of the frame 1, on the ramp plate 2 from the left The pneumatic cutting group 3, the pneumatic clamping mold tire 6, and the traction wheel clamping mechanism 8 are installed in sequence from the right, and the movable positioning wheel group 4 is installed on one side of the pneumatic cutting group 3, which is fixed in the frame 1 A PLC control cabinet 12 and an air bag 11 are installed, and a controller 7 is fixedly installed at the end of the frame 1, and the controller 7 is electrically connected with the PLC control cabinet 12, and the air inlet end of the PLC control cabinet 12 is connected to the air tube through a gas pipe. Bag 11 is connected, and its air outlet end is connected with pneumatic cutting group 3, movable positioning wheel group 4, pneumatic clamping mold tire 6 and the cylinder on traction wheel pinch delivery mechanism 8 respectively by trachea. The side of the frame 1 close to the traction wheel pinch mechanism 8 is provided with a material placing frame 9, which is convenient for placing materials. A lighting lamp 5 is fixedly installed on the frame 1 and above the slope plate 2 to provide lighting for convenient operation and maintenance.

Referring to Fig. 3 and Fig. 4, described pneumatic cutting group 3 comprises a set of L-shaped support plates 301 set on the slope plate 2, a chute 307 is provided on the slope plate 2, and a set of L-shaped support plates 301 is provided on the slope plate 2. The bottom of the bottom is provided with a boss 310 that slides with the chute 307. On the slope plate 2 and on one side of the L-shaped support plate 301, an adjustment seat 305 is fixedly connected with a bolt, and the adjustment seat 305 is connected by an adjustment screw 309. It is threadedly connected with the L-shaped support plate 301, and a cutting cylinder 302 is fixedly installed on each L-shaped support plate 301. A utility blade 304 perpendicular to the surface of the ramp plate 2 is installed. The end of described chute 307 is fixedly installed limit stopper 306, to prevent L-shaped bearing plate 301 from slipping in chute 307 in the adjustment process; Outside utility blade 304, protective cover 308 is fixedly installed, avoids the artist The blade 304 is exposed to hurt people.

Referring to Fig. 5 and Fig. 6, described movable positioning wheel set 4 comprises two columns 401 fixedly installed on the slope plate 2, on the two columns 401 are slidingly connected with slider 402, between the two sliders 402 A crossbeam 403 is fixedly connected between them, a group of poles 404 are fixedly connected on the crossbeam 403, a positioning wheel 405 is rotationally connected to the end of each pole 404, and a connecting plate 407 is fixedly connected to the center of the crossbeam 403. The bottom of 2 and the position corresponding to the connecting plate 407 are fixedly connected with a positioning cylinder 406, and the telescopic rod of the positioning cylinder 406 is fixedly connected with the connecting plate 407.

Referring to Figures 7 to 9, the pneumatic clamping mold tire 6 includes a mold tire base 601 and a clamping cylinder 602 fixed on the top of the mold tire base 601, and a lower mold tire 604 is fixedly installed on the bottom of the mold tire base 601. The telescoping link of tight cylinder 602 is fixedly connected with the upper mold tire 603 that cooperates with lower mold tire 604. The traction wheel pinch mechanism 8 includes a guide wheel 807 arranged in pairs, a limit wheel 811, a guide wheel 806, a pinch wheel 809 and a righting wheel 812, and an L-shaped support rod 808 is fixedly connected to the right end of the slope plate 2 , a support plate 810 parallel to the ramp plate 2 is fixedly connected to the top of the L-shaped support bar 808, a pair of guide wheels 807 and a pair of limit wheels 811 are respectively rotatably connected to the support plate 810, and are fixedly installed on the ramp plate 2 respectively. There is a guide wheel mount 805 and a pinch wheel mount 810, a pair of guide wheels 806 are rotatably connected on the guide wheel mount 805, and a pair of righting wheels 812 are rotatably connected to one end of the pinch wheel mount 810. The pinch cylinder 802 is fixedly installed on the top of the other end of the pinch wheel mount 810, and the movable synchronous wheel 803 is fixedly connected to the telescopic rod of the pinch cylinder 802, and is located at the bottom of the ramp plate 2 and located at the movable synchronous wheel 803. A fixed synchronous wheel 804 is fixedly installed on the bottom of the bottom, and the movable synchronous wheel 803 is connected with the fixed synchronous wheel 804 through a synchronous belt transmission, and a pair of rotating shafts of the movable synchronous wheel 803 and the fixed synchronous wheel 804 are fixedly connected respectively. The pinch wheel 809 is fixedly installed with a pinch motor 814 at the bottom of the ramp plate 2 and below the fixed synchronous wheel 804. The pinch motor 814 is electrically connected with the controller 7, and the output shaft of the pinch motor 814 A drive wheel 813 is fixedly connected to the top, and the drive wheel 813 is connected to the fixed synchronous wheel 804 through a synchronous belt transmission.

Working principle of the present invention:

First, two composite plastic strips are placed on the material placement frame 9, and then the ends of the two composite plastic strips are sequentially inserted into the guide wheel 807, the limit wheel 811, the guide wheel 806, the pinch wheel 809 and the centering wheel 812, The two composite plastic strips are guided and limited by the guide wheel 807 and the spacer wheel 811, and the two composite plastic strips are guided and corrected by the guide wheel 806 and the righting wheel 812; at this time, the pinch cylinder is started by the controller 7 802 and the positioning cylinder 406 make the two pinch wheels 809 close together and clamp the two composite plastic strips simultaneously, then start the pinch motor 814 to drive the two pinch wheels 809 to rotate simultaneously, so that the two composite plastic strips can be moved forward Pinching, the two composite plastic strips are positioned by a set of positioning wheels 405 on the movable positioning wheel set 4 during the conveying process until the two composite plastic strips are transported to the bottom of the pneumatic cutting group 3; at this time, the pinch motor 814 Stop working, the clamping cylinder 602 moves, and the lower mold tire 604 and the upper mold tire 603 clamp the two composite plastic strips, and then the pinch cylinder 802 moves again, so that the two pinch wheels 809 release the two composite plastic strips, and all cutting The cutting cylinder 302 moves at the same time, driving the art blade 304 to cut the two composite plastic strips into multiple sections. Place the table for easy collection; the clamping cylinder 602 moves again, the lower mold tire 604 and the upper mold tire 603 loosen the two composite plastic strips, and the two pinch wheels 809 pinch the two composite plastic strips forward again for the next time Cutting work.

Efficiency increase and cost reduction: Before using online cutting, in order to meet the production requirements, the number of people in the workshop for processing and cutting products is 6 people (including 3 people who check the size). It produces 42H per day (average 7H per person), the product needs to be processed for 20 days, the monthly saved time is 840H, the monthly cost saved is 840*70=58,800 yuan, and the annual cost saved is 705,600 yuan.

Efficiency and cost reduction: After using the cutting machine, Wanjiang spoiler products (such as models: 13E6345004-271.5, 13E6345004-258, 13E6345004-17) do not need fine cutting process after using the equipment, saving 5s per piece. The company's production volume in July 2019 is: 226,991 pieces, and the production volume in August 2019 is: 369,213 pieces. The average monthly production volume is expected to be 300,000 pieces. The monthly cost saving is 300000*5/3600*70=29,000 yuan, and the annual cost saving is 2.9*12=350,000 yuan.

Claims (8)

1. The utility model provides a two accurate fixed length multistage cutting equipment of compound plastic strip, includes frame (1), its characterized in that: the pneumatic cutting machine is characterized in that a slope plate (2) is fixedly connected to the top of a rack (1), a pneumatic cutting group (3), a pneumatic clamping mold tire (6) and a traction wheel clamping mechanism (8) are sequentially installed on the slope plate (2) from left to right, a movable positioning wheel group (4) is installed on one side of the pneumatic cutting group (3), a PLC control cabinet (12) and an air bag (11) are fixedly installed in the rack (1), a controller (7) is fixedly installed at the end of the rack (1), the controller (7) is electrically connected with the PLC control cabinet (12), the air inlet end of the PLC control cabinet (12) is connected with the air bag (11) through an air pipe, and the air outlet end of the PLC control cabinet is connected with air cylinders of the pneumatic cutting group (3), the movable positioning wheel group (4), the pneumatic clamping mold tire (6) and the traction wheel clamping mechanism (8) through air pipes.

2. The precise length-fixed multi-section cutting equipment for two composite plastic strips according to claim 1, is characterized in that: pneumatic cutting group (3) including a set of L type bedplate (301) of value on ramp plate (2), has seted up spout (307) on ramp plate (2), be provided with in the bottom of L type bedplate (301) with spout (307) sliding fit's boss (310), on ramp plate (2) and be located one side of L type bedplate (301) and adjust seat (305) through bolt fixedly connected with, regulation seat (305) through adjusting screw (309) and L type bedplate (301) threaded connection, fixed mounting has cutting cylinder (302) on every L type bedplate (301), fixedly connected with blade holder (303) on the telescopic link of cutting cylinder (302), fixed mounting has art designer's blade (304) with ramp plate (2) surface vertically on blade holder (303).

3. The precise length-fixed multi-section cutting equipment for two composite plastic strips as claimed in claim 2, characterized in that: the end part of the sliding groove (307) is fixedly provided with a limit stop (306), and the exterior of the art designing blade (304) is fixedly provided with a protective cover (308).

4. The precise length-fixed multi-section cutting equipment for two composite plastic strips as claimed in claim 1, characterized in that: movable location wheelset (4) are including two stands (401) of fixed mounting on ramp plate (2), equal sliding connection has slider (402) on two stands (401), fixedly connected with crossbeam (403) between two slider (402), a set of branch (404) of fixedly connected with on crossbeam (403), end at every branch (404) is rotated and is connected with locating wheel (405), central fixedly connected with connecting plate (407) at crossbeam (403), in the bottom of ramp plate (2) and the position fixedly connected with location cylinder (406) that corresponds connecting plate (407), the telescopic link and connecting plate (407) fixed connection of location cylinder (406).

5. The precise length-fixed multi-section cutting equipment for two composite plastic strips according to claim 1, is characterized in that: the pneumatic clamping mould (6) comprises a mould base (601) and a clamping cylinder (602) fixed at the top of the mould base (601), a lower mould (604) is fixedly installed at the bottom of the mould base (601), and an upper mould (603) matched with the lower mould (604) is fixedly connected to a telescopic rod of the clamping cylinder (602).

6. The precise length-fixed multi-section cutting equipment for two composite plastic strips according to claim 1, is characterized in that: the traction wheel clamping and conveying mechanism (8) comprises guide wheels (807), limit wheels (811), guide wheels (806), clamping and conveying wheels (809) and a centering wheel (812) which are arranged in pairs, an L-shaped support rod (808) is fixedly connected to the right end of a slope plate (2), a support plate (810) parallel to the slope plate (2) is fixedly connected to the top of the L-shaped support rod (808), a pair of guide wheels (807) and a pair of limit wheels (811) are respectively and rotatably connected to the support plate (810), a guide wheel mounting seat (805) and a clamping and conveying wheel mounting seat (810) are respectively and fixedly installed on the slope plate (2), a pair of guide wheels (806) is rotatably connected to the guide wheel mounting seat (805), a pair of centering wheels (812) is rotatably connected to one end of the clamping and conveying wheel mounting seat (810), a clamping and conveying cylinder (802) is fixedly installed at the top of the other end of the clamping and conveying wheel mounting seat (810), a pair of fixed synchronous wheels (803) is fixedly installed at the bottom of the slope plate (2), a pair of fixed and a movable clamping and movable synchronous wheels (804) are respectively connected to the movable synchronous wheels (804), the clamp feeding motor (814) is fixedly mounted at the bottom of the slope plate (2) and below the fixed synchronizing wheel (804), the clamp feeding motor (814) is electrically connected with the controller (7), a driving wheel (813) is fixedly connected to an output shaft of the clamp feeding motor (814), and the driving wheel (813) is connected with the fixed synchronizing wheel (804) through synchronous belt transmission.

7. The precise length-fixed multi-section cutting equipment for two composite plastic strips according to claim 1, is characterized in that: and a material placing frame (9) is arranged on one side of the machine frame (1) close to the traction wheel clamping and conveying mechanism (8).

8. The precise length-fixed multi-section cutting equipment for two composite plastic strips according to claim 1, is characterized in that: and an illuminating lamp (5) is fixedly arranged on the rack (1) and above the slope plate (2).

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