阅读说明：本技术 机床废料称重打包装置 (Weighing and packing device for machine tool waste ) 是由 宋铖 苏江斌 樊浩 李书楠 张文梨 刘友计 于 2020-12-08 设计创作，主要内容包括：本发明提供了一种机床废料称重打包装置,它包括机架以及设置在机架上的废料收集单元、打包封袋单元和称重记录单元三个单元功能区域模块,三个功能模块其分别用于收集废料、打包封装以及称重记录。与现有技术相比,本发明提供装置可实现对注塑机床产生的废料进行自动分料、装袋、封袋打包、称重计数,减少员工工作量,提升机床废料回收工作效率,最大化实现废料回收价值。本发明整体结构为单元功能模块组合形式,可根据需要在一定范围内增加或减少功能模块,最大限度减少员工因检修和更换功能模块的难度,降低后期维保难度,提升设备对包含小机床废料在内的其他需要收集称重的物料的兼容度,降低采购设备成本,提高生产效率。(The invention provides a machine tool waste weighing and packing device which comprises a rack and three unit functional area modules, namely a waste collecting unit, a packing and bag sealing unit and a weighing and recording unit, which are arranged on the rack, wherein the three functional area modules are respectively used for collecting waste, packing and packaging and weighing and recording. Compared with the prior art, the device provided by the invention can realize automatic material distribution, bagging, bag sealing, packaging, weighing and counting of the waste materials generated by the injection molding machine tool, reduce the workload of workers, improve the waste material recovery working efficiency of the machine tool and maximally realize the waste material recovery value. The whole structure of the invention is in a unit function module combination form, and function modules can be added or reduced in a certain range according to requirements, so that the difficulty of staff in overhauling and replacing the function modules is reduced to the maximum extent, the later maintenance difficulty is reduced, the compatibility of the equipment to other materials needing to be collected and weighed, including small machine tool waste materials, is improved, the cost of purchasing equipment is reduced, and the production efficiency is improved.)

1. A machine tool waste weighing and packing device is characterized by comprising a rack, a waste collecting unit, a packing and bag sealing unit and a weighing and recording unit, wherein the waste collecting unit, the packing and bag sealing unit and the weighing and recording unit are arranged on the rack;

the waste collecting unit comprises a blanking assembly, and the blanking assembly comprises a blanking hopper;

the packaging and bag sealing unit comprises a bag feeding mechanism, a cut transverse sealing mechanism, an opening heat sealing mechanism and a translation mechanism; the notch transverse sealing mechanism is arranged below the bag feeding mechanism, the translation mechanism and the opening heat sealing mechanism are both arranged below the notch transverse sealing mechanism and the discharging hopper, and the translation mechanism is used for pushing the opening heat sealing mechanism to move back and forth between the notch transverse sealing mechanism and the discharging hopper;

the weighing recording unit is arranged below the packaging and bag sealing unit and used for weighing and counting the packaging bags from the packaging and bag sealing unit.

2. The machine tool waste weighing and packing device of claim 1, wherein the waste collection unit further comprises a belt line receiving mechanism, the belt line receiving mechanism comprises a collecting hopper and an obliquely arranged belt line, the belt line has a high end and a low end, the low end is arranged below the collecting hopper, and the high end is arranged above the blanking assembly.

3. The machine tool waste weighing and packing device of claim 2, wherein the blanking assembly further comprises a chute, one end of the chute is arranged on the blanking hopper and communicated with the inlet of the blanking hopper, and the other end of the chute is arranged below the high-level end and receives waste falling from the high-level end.

4. The machine tool waste weighing and packing device of claim 2, wherein two sides of the belt line are respectively provided with a baffle, a plurality of partition plates are arranged on the belt of the belt line at intervals, and the partition plates are in seamless connection with the baffle.

5. The machine tool waste weighing and packaging device of claim 1, wherein the bag feeding mechanism comprises a primary bag feeding mechanism and a secondary bag feeding mechanism, the primary bag feeding mechanism comprises a first support frame, and a mounting shaft, a motor and two rollers arranged on the first support frame, the mounting shaft is arranged above the two rollers, and the motor drives the two rollers to rotate; the secondary bag feeding mechanism is arranged above the notch cross sealing mechanism and comprises a second support frame, a motor and two roller cylinders, wherein the motor and the two roller cylinders are arranged on the second support frame, and the motor drives the two roller cylinders to rotate.

6. The machine tool waste weighing and packaging device of claim 1, wherein the transverse notching mechanism comprises a first heat-sealing device and a notching assembly arranged below the first heat-sealing device; the opening heat-sealing mechanism comprises an opening assembly and a second heat-sealing device which are connected into a whole, and the second heat-sealing device is arranged below the opening assembly.

7. The machine tool waste weighing and baling device of claim 6 wherein said opening assembly includes a frame and two clamping assemblies; there is a through-hole frame middle part, be provided with two slide rails that are parallel to each other, every on the frame of through-hole both sides the centre gripping subassembly all includes a slide, two clamping jaw cylinders and a drive arrangement, be provided with on the slide with two slide rail matched with slider, two clamping jaw cylinder interval sets up on the slide, drive arrangement sets up on the frame, drive arrangement connects the slide promotes the slide is followed the slide rail removes.

8. The machine tool waste weighing and packing device of any one of claims 1-7, wherein the translation mechanism comprises two mutually parallel slide rails and a belt transmission mechanism; two ends of each sliding rail respectively extend to the lower part of the notch transverse sealing mechanism and the lower part of the blanking hopper, a sliding block matched with the sliding rail is arranged on each sliding rail, and the opening heat sealing mechanism is arranged on the sliding block; the belt transmission mechanism is connected with and drives the opening heat sealing mechanism to horizontally move along the sliding rail.

9. The machine-tool waste weighing and packing device of any one of claims 1-7, wherein the weighing and recording unit comprises a first conveyor belt line and an electronic scale, the first conveyor belt line is arranged below the lower hopper, and the first conveyor belt line is used for conveying the filled and packed packaging bags onto the electronic scale for weighing and counting.

10. The machine tool waste weighing and packing device of claim 9, wherein the weighing and recording unit further comprises a second conveyor belt line and a steering fan, and the steering fan is used for sweeping the packaging bags on the electronic scale onto the second conveyor belt line.

Technical Field

The invention relates to the technical field of machine tool waste recovery, in particular to a machine tool waste weighing and packing device.

Background

With the rapid development of the air conditioner industry, how to use automated equipment to replace manual work as much as possible in the air conditioner production and manufacturing process is inevitably the development theme of the industry after completing automated transformation. The production of air conditioner plastic parts is bound to leave the injection molding machine tool, and the problem that how to automatically package recyclable waste materials generated by the machine tool and count the periodical total amount is not bypassed is solved. In the past, the waste materials of the injection molding machine tool are picked up by a manual sieve, weighed in batches and then stored and recovered by taking one box as a unit, so that the problems of weighing omission, weighing confusion and the like are easily caused, the time and the labor are wasted, and the production efficiency is low.

Disclosure of Invention

Aiming at the defects that the waste materials of the manual recycling weighing machine tool are easy to be confused and leaked and inconvenient to count the weight in the prior art, the invention aims to provide the machine tool waste material weighing and packaging device, which can be used for bagging, sealing and packaging the waste materials generated by the injection molding machine tool and weighing and counting the waste materials, reduce the workload of workers and improve the work efficiency of machine tool waste material recycling.

The invention provides a machine tool waste weighing and packing device which mainly comprises a rack, and three unit functional area modules, namely a waste collecting unit, a packing and bag sealing unit and a weighing and recording unit, which are arranged on the rack, wherein the three functional area modules are respectively used for collecting waste, packing and packaging and weighing and recording;

the waste collecting unit comprises a blanking assembly, and the blanking assembly comprises a blanking hopper;

the packaging and bag sealing unit comprises a bag feeding mechanism, a cut transverse sealing mechanism, an opening heat sealing mechanism and a translation mechanism; the notch transverse sealing mechanism is arranged below the bag feeding mechanism, the translation mechanism and the opening heat sealing mechanism are both arranged below the notch transverse sealing mechanism and the discharging hopper, and the translation mechanism is used for pushing the opening heat sealing mechanism to move back and forth between the notch transverse sealing mechanism and the discharging hopper;

the weighing recording unit is arranged below the packaging and bag sealing unit and used for weighing and counting the packaging bags from the packaging and bag sealing unit.

Preferably, the garbage collection unit still includes belt line receiving agencies, belt line receiving agencies includes the belt line that collecting hopper and an slope set up, the belt line has high-order end and low-order end, the low-order end sets up the below of collecting hopper, the high-order end sets up the top of unloading subassembly.

Preferably, the unloading subassembly still includes the spout, the one end of spout set up on the hopper and with the import intercommunication of hopper down, the other end of spout set up in the below of high-order end and accept the waste material that drops from the high-order end.

Preferably, the both sides of belt line are provided with the baffle respectively, the interval is provided with the polylith baffle on the belt of belt line, the baffle with baffle seamless joint.

Preferably, the bag feeding mechanism comprises a first-stage bag feeding mechanism and a second-stage bag feeding mechanism, the first-stage bag feeding mechanism comprises a first support frame, and a mounting shaft, a motor and two roll cylinders which are arranged on the first support frame, the mounting shaft is arranged above the two roll cylinders, and the motor drives the two roll cylinders to rotate; the secondary bag feeding mechanism is arranged above the notch cross sealing mechanism and comprises a second support frame, a motor and two roller cylinders, wherein the motor and the two roller cylinders are arranged on the second support frame, and the motor drives the two roller cylinders to rotate.

Preferably, the transverse cutting and sealing mechanism comprises a first heat sealing device and a cutting assembly arranged below the first heat sealing device; the opening heat-sealing mechanism comprises an opening assembly and a second heat-sealing device which are connected into a whole, and the second heat-sealing device is arranged below the opening assembly.

Preferably, the opening assembly comprises a frame and two clamping assemblies; there is a through-hole frame middle part, be provided with two slide rails that are parallel to each other, every on the frame of through-hole both sides the centre gripping subassembly all includes a slide, two clamping jaw cylinders and a drive arrangement, be provided with on the slide with two slide rail matched with slider, two clamping jaw cylinder interval sets up on the slide, drive arrangement sets up on the frame, drive arrangement connects the slide promotes the slide is followed the slide rail removes.

Preferably, the translation mechanism comprises two mutually parallel slide rails and a belt transmission mechanism; two ends of each sliding rail respectively extend to the lower part of the notch transverse sealing mechanism and the lower part of the blanking hopper, a sliding block matched with the sliding rail is arranged on each sliding rail, and the opening heat sealing mechanism is arranged on the sliding block; the belt transmission mechanism is connected with and drives the opening heat sealing mechanism to horizontally move along the sliding rail.

Preferably, the weighing and recording unit comprises a first conveyor belt line and an electronic scale, the first conveyor belt line is arranged below the discharging hopper, and the first conveyor belt line is used for conveying the filled and packaged packaging bags onto the electronic scale for weighing and counting.

Preferably, the weighing and recording unit further comprises a second conveying belt line and a steering fan, and the steering fan is used for sweeping the packaging bags on the electronic scale onto the second conveying belt line.

Compared with the prior art, the machine tool waste weighing and packing device provided by the invention can realize automatic material distribution, bagging, bag sealing and packing, weighing and counting of waste materials generated by an injection molding machine tool, reduce the workload of workers, improve the machine tool waste recycling work efficiency and maximize the waste recycling value. The whole structure of the invention is in a unit function module combination form, and function modules can be added or reduced in a certain range according to requirements, so that the difficulty of staff in overhauling and replacing the function modules is reduced to the maximum extent, the later maintenance difficulty is reduced, the compatibility of the equipment to other materials needing to be collected and weighed, including small machine tool waste materials, is improved, the cost of purchasing equipment is reduced, and the production efficiency is improved.

The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of non-limiting examples only and with reference to the accompanying drawings. Wherein:

FIG. 1 is a schematic structural diagram of a machine tool waste weighing and packaging device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rack according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a blanking assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a belt line receiving mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a primary bag feeding mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a secondary bag feeding mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a slit cross sealing mechanism according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of an opening heat-sealing mechanism and a translating mechanism according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a weighing recording unit according to an embodiment of the present invention.

Description of reference numerals:

100. a blanking assembly;

200. a belt line receiving mechanism;

300. a first-stage bag conveying mechanism;

400. a secondary bag feeding mechanism;

500. a notch transverse sealing mechanism;

700. a translation mechanism;

800. a weighing recording unit;

900. a frame;

110. feeding a hopper;

120. a chute;

210. a belt line;

211. 731, a belt;

212. a baffle plate;

213. a partition plate;

220. a collection hopper;

230. a support;

310. a first support frame;

320. 420, 732, a motor;

330. 430, a roller;

340. installing a shaft;

350. plastic packaging the bag roll;

410. a second support frame;

510. a first heat sealing device;

520. a notch assembly;

521. a cross cutting blade;

522. a cylinder;

610. a second heat sealing device;

620. an opening assembly;

621. a frame;

622. a through hole;

623. 710, a slide rail;

624. 720, a sliding block;

625. a slide base;

626. a clamping jaw cylinder;

627. a drive device;

730. a belt drive mechanism;

810. a first conveyor belt line;

820. an electronic scale;

830. a second conveyor belt line;

840. and turning to a fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and more complete, the following technical solutions of the present invention will be described in detail, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the specific embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1, a machine tool waste weighing and packing apparatus includes a frame 900, a waste collecting unit, a packing and bagging unit, and a weighing and recording unit 800. Fig. 2 shows the structure of a rack 900, the rack 900 being used to carry and mount three functional modules of a waste collection unit, a bagging unit and a weight-recording unit 800. The waste collecting unit is used for collecting machine tool waste; the bagging unit is used for bagging machine tool waste from the waste collection unit, and the weighing and recording unit 800 is used for weighing and counting the packaging bags which are packaged with the machine tool waste and come from the bagging unit.

The garbage collection unit comprises a blanking assembly 100, wherein the blanking assembly 100 comprises a blanking hopper 110, and the blanking hopper 110 is fixed on the rack 900 through a mounting seat.

The scrap collecting unit may be further constructed to have a structure of a belt line take-up mechanism 200, as shown in fig. 4, in which the belt line take-up mechanism 200 includes a collecting hopper 220 and an obliquely disposed belt line 210, and the collecting hopper 220 and the belt line 210 are disposed on a bracket 230 and fixed to a frame 900 by the bracket 230. The collection hopper 220 is used to receive waste material from the machine tool. The belt line 210 has a high end and a low end, the low end is arranged below the collecting hopper 220 and is used for receiving the waste from the collecting hopper 220; the high-order end sets up the top of unloading subassembly 100, the waste material is followed collecting hopper 220 landing and is sent to the top of unloading subassembly 100 to the belt line 210 of below, through this belt line 210 lifting height back, and the waste material reaches the entering unloading subassembly 100 that falls behind the high-order end in.

In a preferable scheme, in order to prevent the materials on the belt line 210 from sliding off along the belt in the upward conveying process, a plurality of partition plates 213 are arranged on the belt 211 of the belt line 210 at intervals; in order to prevent the waste on the belt line 210 from falling off from the side of the belt in the upward conveying process, the two sides of the belt line 210 are respectively provided with the baffle plates 212, and the baffle plates 212 are in seamless connection with the partition plates 213 to ensure that small-particle waste is not easy to spill out of the belt line 210.

As shown in fig. 3, the blanking assembly 100 further includes a chute 120, one end of the chute 120 is disposed on the blanking hopper 110 and is communicated with the inlet of the blanking hopper 110, and the other end of the chute 120 is disposed below the high-level end of the belt and receives the waste falling from the high-level end. The equal shell of spout 120 and lower hopper 110 adopts the corrosion resistant plate to bend and forms, and durable and light easily the later stage adjustment is moulding.

The packaging and bag sealing unit comprises a bag feeding mechanism, a cut transverse sealing mechanism 500, an opening heat sealing mechanism and a translation mechanism 700; the cutting and transverse sealing mechanism 500 is arranged below the bag feeding mechanism, the translation mechanism 700700 and the opening heat-sealing mechanism are both arranged below the cutting and transverse sealing mechanism 500 and the lower hopper 110, and the translation mechanism 700 is used for pushing the opening heat-sealing mechanism to move back and forth between the cutting and transverse sealing mechanism 500 and the lower hopper 110.

The bag feeding mechanism comprises a first-stage bag feeding mechanism 300 and a second-stage bag feeding mechanism 400.

As shown in fig. 5, the primary bag feeding mechanism 300 includes a first support frame 310, and a mounting shaft 340, a motor 320 and two rollers 330 disposed on the first support frame 310, and the primary bag feeding mechanism 300 is fixed on the rack 900 through the first support frame 310. The two ends of the mounting shaft 340 are non-circular, the first support frames 310 on the two sides above the roller 330 are provided with grooves matched with the end of the mounting shaft 340, the two ends of the mounting shaft 340 are respectively clamped in the two grooves, and the mounting shaft 340 is used for mounting the plastic bag roll 350. Of course, the connection mode of the mounting shaft 340 and the first support frame 310 is not limited to the above-mentioned clamping mode, and in another embodiment, one end of the mounting shaft 340 may be rotatably connected with the first support frame 310, and the other end may be clamped with the first support frame 310. The motor 320 is used for driving the two rollers 330 to rotate, the two rollers 330 clamp the plastic bag (unsealed) to roll out the plastic bag with a proper length, and the plastic bag is input into the secondary bag feeding mechanism 400.

As shown in fig. 6, the secondary bag feeding mechanism 400 includes a second support frame 410, and a motor 420 and two rollers 430 which are disposed on the second support frame 410, and the secondary bag feeding mechanism 400 is fixed on a frame 900 on the right side of the first bag feeding mechanism through the second support frame 410; the motor 420 drives the two rollers 430 to rotate, and the plastic bag from the first bag feeding mechanism is fed down to the lower slit cross sealing mechanism 500.

As shown in fig. 7, the slit cross-sealing mechanism 500 includes a first heat-sealing device 510 and a slit assembly 520. The notching assembly 520 is arranged below the first heat-sealing device 510 and connected with the first heat-sealing device 510 into a whole, the notching transverse sealing mechanism 500 is arranged on the rack 900 right below the second bag feeding mechanism, the first heat-sealing device 510 is used for thermally sealing and bonding the plastic bags from the bag feeding mechanism, and the notching assembly 520 is used for cutting the tail parts of the bonded plastic bags to form openings. The slitting assembly 520 includes a cross cutting blade 521 and a cylinder 522 for driving the cross cutting blade 521. The first heat-sealing device 510 can be a common component in the heat-sealing process of plastic bags, and the structure and the operation principle thereof are not described herein again.

As shown in fig. 8, the opening heat-seal mechanism includes an opening assembly 620 and a second heat-seal device 610 that are integrally connected, and the second heat-seal device 610 is disposed below the opening assembly 620. An opening heat-sealing mechanism is provided below the slitting assembly 520 and the lower hopper 110, an opening assembly 620 is used to open the opening of the plastic bag slit at the tail from the slitting assembly 520, and a second heat-sealing device 610 is used to heat-seal the plastic bag filled with the waste.

Further, the opening unit 620 is constructed in a symmetrical structure including a frame 621 and two clamping units; a through hole 622 for the opening plastic bag to pass through is formed in the middle of the frame 621, and two parallel slide rails 623 are arranged on the frame 621 on two sides of the through hole 622; two clamping assemblies each comprising a slide 625, two jaw cylinders 626 and a drive 627. The sliding base 625 is preferably in a strip shape, sliding blocks 624 which are matched with the two sliding rails 623 are respectively arranged below the left end and the right end of the sliding base 625, the two clamping jaw cylinders 626 are arranged on the sliding base 625 at intervals, the driving device 627 is arranged on the frame 621, and the driving device 627 is connected with the sliding base 625 and pushes the sliding base 625 to move along the sliding rails 623. After the tail of the plastic bag is cut open, the opening of the plastic bag is clamped by four clamping jaw air cylinders 626 positioned below the cutting assembly 520, the driving mechanism drives the two sliding bases 625 and the clamping jaw air cylinders 626 on the sliding bases to move in the reverse direction, so that the opening of the plastic bag is opened, and the opened plastic bag can begin to be filled with waste materials after moving to the position right below the blanking hopper 110.

The driving device 627 is preferably an air cylinder, the air cylinder has a push rod, the cylinder body of the air cylinder is fixed on the frame 621, one end of the push rod of the air cylinder is connected with the sliding seat 625, and the sliding seat 625 is driven to move along the sliding rail 623 through the extension and retraction of the push rod. In other embodiments, the driving device 627 may also be composed of a motor and a screw, and a nut engaged with the screw is disposed on the sliding base 625, and the motor drives the forward and backward screws to rotate so as to push the sliding base 625 to move along the sliding rail 623.

The second heat sealing device 610 can be a common component in the heat sealing process of plastic bags, and the structure and the working principle thereof are not described herein again.

The translation mechanism 700 is disposed on the frame 900 below the notch horizontal sealing mechanism 500 and the lower hopper 110. As shown in fig. 8, the translation mechanism 700 includes two parallel slide rails 710 and a belt transmission mechanism 730; two ends of each slide rail 710 respectively extend to the lower part of the cut-out transverse sealing mechanism 500 and the lower part of the lower hopper 110, a slide block 720 matched with the slide rail 710 is arranged on each slide rail 710, and a frame 621 of the opening assembly 620 is installed on the slide blocks 720 on the two slide rails 710, so that the whole opening heat sealing mechanism is connected with the two slide rails 710 in a sliding manner. The belt 731 of the belt transmission mechanism 730 is arranged above one of the slide rails 710, the belt 731 is connected with the frame 621 of the opening assembly 620, when the motor 732 of the belt transmission mechanism 730 drives the belt to rotate, the belt 731 drives the whole opening heat-sealing mechanism to horizontally move along the slide rails 710, so that the opening heat-sealing mechanism reciprocates under the incision transverse sealing mechanism 500 and under the lower hopper 110.

As shown in fig. 9, the weight registering unit 800 includes a first conveyor belt line 810 and an electronic scale 820, a front end of the first conveyor belt line 810 is disposed below the lower hopper 110, and the electronic scale 820 is disposed at a rear end of the first conveyor belt line 810. After the second heat sealing device 610 heat seals the plastic bag filled with the waste materials, the clamping jaw air cylinder 626 on the opening assembly 620 is released to enable the packaging bag to fall onto the first conveyor belt line 810, and the first conveyor belt line 810 is used for conveying the filled and packaged packaging bag to the electronic scale 820 for weighing and counting.

In another embodiment, the weight registration unit 800 further comprises a second conveyor belt line 830 and a turning fan 840, the turning fan 840 is used for sweeping the packaged bags on the electronic scale 820 onto the second conveyor belt line 830, and the second conveyor belt line 830 outputs the packaged bags for storage.

The process of weighing and packing the machine tool waste by using the device of the invention comprises the following steps:

the small granular waste generated at the bottom of the machine tool is manually guided into the collecting hopper 220, falls onto the belt and is piled up by the baffle 212 on the belt 211, then the belt line 210 controlled by the stepping motor rises to the high end, and then the waste falls into the chute 120 and slides into the lower hopper 110 along the chute 120. Meanwhile, the motor 320 of the primary bag feeding mechanism 300 works to control two rollers 330 to clamp a plastic bag (unsealed) to roll out a reasonable length, the plastic bag is input into the secondary bag feeding mechanism 400, the secondary bag feeding mechanism 400 is suspended right above the notch transverse sealing mechanism 500, the plastic bag is conveyed downwards and is bonded by a first heat sealing device 510 on the notch transverse sealing mechanism 500, then the tail part is cut by a transverse cutter blade 521, the lower opening is clamped by four clamping jaw air cylinders 626 in the opening heat sealing mechanism, then the whole opening heat sealing mechanism horizontally moves to the position right below the blanking assembly 100 through a translation mechanism, and waste materials in the blanking hopper 110 fall into the plastic bag for filling; after the filling is finished, a heat sealing device positioned below the clamping jaw air cylinder 626 device in the opening heat sealing mechanism clamps the opening to carry out heat sealing; the small package waste after heat sealing falls onto a first conveying belt line 810 below the opening heat sealing device, is conveyed to an electronic scale 820 by the first conveying belt line 810 to be weighed and counted, and is swept into a second conveying belt line 830 by a steering fan 840 beside the electronic scale 820 to be output and stored.

Finally, it should be noted that: the above embodiments and examples are only used to illustrate the technical solution of the present invention, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments and examples, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments or examples may still be modified, or some of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments or examples of the present invention.