A weighing, packing and sewing machine

Abstract

The present invention discloses an integrated weighing, packing and sewing machine, comprising: a pre-pressing weighing frame, a pre-pressing weighing assembly, a compacting frame, a compacting and pushing assembly, a conveying assembly, a bagging assembly, a bagging assembly and an electric-controlled hydraulic assembly; the present invention first loads materials into a material conveying box, pushes the materials to the pre-pressing weighing assembly for pre-pressing and weighing, and after the materials are manually increased or decreased to reach a preset weight, pushes the material conveying box to the conveying assembly, and the conveying assembly conveys the material conveying box to the compacting and pushing assembly for compression to a specified size, pushes the materials into a packaging sack, and reaches the bagging assembly through the bagging assembly, so as to realize compression of the sealing end of the sack and complete automatic sewing and sealing; the present invention has a high degree of integration and automation, and improves work efficiency.

Description

Technical Field

[0001] The invention relates to a packaging machine for loose articles such as tobacco, cotton, linen, wool, feathers, chemical fiber, etc., and more specifically to a weighing, packing and sewing integrated machine. Background Art

[0002] At present, most packaging machines on the market have shortcomings such as single function, low efficiency, poor molding effect, and occupying a lot of labor. They can only meet small-batch packaging work, and the operators are mostly young and middle-aged workers with high work intensity and low work efficiency. They cannot meet the real-time monitoring and tracking of the work site situation, nor can they realize remote assisted troubleshooting, and the maintenance cycle is long.

[0003] Therefore, how to provide a weighing, packing and sewing machine is a problem that technical personnel in this field need to solve urgently. Summary of the invention

[0004] In view of this, the present invention provides a weighing, packing and sewing machine, aiming to solve the above technical problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] A weighing, packing and sewing integrated machine, comprising: a pre-pressing and weighing frame, a pre-pressing and weighing assembly, a compacting frame, a compacting and pushing assembly, a conveying assembly, a packing assembly, a sewing assembly and an electric-controlled hydraulic assembly;

[0007] The pre-pressing weighing frame is a vertical rectangular frame;

[0008] The pre-pressing and weighing assembly is installed on the pre-pressing and weighing frame, and is used to pre-press and weigh the materials inside the material transport box; the material transport box is a rectangular box with an open top and upper and lower parts connected;

[0009] The compaction frame is a vertical rectangular frame;

[0010] The compacting and pushing assembly includes a compacting cylinder, a lifting cylinder and a pushing cylinder; the compacting cylinder is installed on the top of the compacting frame and is used to compact the material inside the material transport box; the lifting cylinder is installed on both sides of the compacting frame and is used to split the material transport box; the pushing cylinder is installed on the bottom side of the compacting frame and is used to push the material inside the material transport box;

[0011] The conveying assembly is located between the pre-pressing weighing frame and the compacting frame and is used to convey the material transport box from the pre-pressing weighing frame to the compacting frame;

[0012] The bagging assembly is installed on the outer side of the compacting frame and opposite to the pushing cylinder, and is used to put on the sack and guide the material pushed by the pushing cylinder into the sack;

[0013] The bag sewing assembly is connected to the bag covering assembly and is used to shape, seal and sew the sacks filled with materials;

[0014] The electronically controlled hydraulic assembly is used to provide electrical power and hydraulic power.

[0015] Through the above technical scheme, the present invention first loads the material into the material transport box, pushes it to the pre-pressing and weighing assembly for pre-pressing and weighing, and after the preset weight is reached by manually adding or subtracting the material, pushes the material transport box to the conveying assembly, and the conveying assembly conveys the material transport box to the compacting and pushing assembly for compression to a specified size, pushes the material into the packaging sack, and reaches the sewing assembly through the wrapping assembly, so as to achieve the compression of the sealing end of the sack and complete the automatic sewing and sealing; the degree of integration and automation is high, which improves work efficiency.

[0016] Preferably, in the above-mentioned weighing, packing and sewing machine, the pre-stressing weighing assembly includes a pre-stressing component; the pre-stressing component includes a mounting box, a gear, a rack and a pre-stressing plate; the mounting box is fixed on the top of the pre-stressing weighing frame; the two gears are rotatably connected inside the mounting box and mesh with each other, and the central axis of one gear extends out of the mounting box for connecting to the motor power; the rack is arranged vertically and passes through the top and bottom surfaces of the mounting box, and the two racks are respectively located between the outer sides of the two gears and the mounting box, and mesh with the gears, and the tops of the two racks are fixedly connected; the top surface of the pre-stressing plate is fixedly connected to the bottom end of the rack. The pre-stressing plate can be driven by the cooperation of the gear and the rack, and the effect is stable and the driving effect is good.

[0017] Preferably, in the above-mentioned weighing, packing and sewing machine, the pre-stressing weighing assembly also includes a weighing component; the weighing component includes a lower crossbeam, an upper crossbeam, a connecting chain, a weighing chassis, a fixed crossbeam, a weighing sensor, a force transmission rod and a display screen; the number of the lower crossbeams is two, and they are arranged in parallel at the bottom end of the pre-stressing weighing frame, and the two ends of the lower crossbeam are slidably connected to the first vertical groove opened in the vertical pole of the pre-stressing weighing frame; the number of the upper crossbeams is two, and they are arranged in parallel above the pre-stressing plate and can be fitted with the pre-stressing plate, and the two ends of the upper crossbeam are slidably connected to the second vertical groove opened in the vertical pole of the pre-stressing weighing frame; The connecting chain connects the corresponding ends of the upper crossbeam and the lower crossbeam; the weighing chassis is horizontally fixed on the lower crossbeam, and the bottom of the four corners has guide pins plugged into the pre-stressed weighing frame, and the top of the weighing chassis has multiple pulley tracks; the fixed crossbeam is fixed on both sides of the pre-stressed weighing frame and is located above the weighing chassis; the weighing sensor is fixed on the bottom surface of the fixed crossbeam; one end of the force transmission rod is connected to the sensing end of the weighing sensor, and the other end points downward to the lower crossbeam, and is a retractable movable structure; the display screen is installed on the bracket of the pre-stressed weighing frame and is electrically connected to the weighing sensor. Through the above structure, the present invention can cooperate with the weighing assembly to realize suspended weighing through the drive of the pre-stressing plate of the pre-stressing assembly, and has a high degree of automation.

[0018] Preferably, in the above-mentioned weighing, packing and sewing machine, the weighing assembly further includes an eccentric double-pin mechanism; the eccentric double-pin mechanism includes a cylindrical pin and a diamond pin vertically fixed on the lower crossbeam; the cylindrical pin and the diamond pin both pass through the circular pin hole provided on the fixed crossbeam, and the cylindrical pin and the circular pin hole are adapted. Through the eccentric double-pin structure, the lower crossbeam can generate a certain amount of lateral displacement when driving the weighing chassis and the fixed crossbeam to generate relative displacement, thereby preventing problems such as stuck state or wear and tear.

[0019] Preferably, in the above-mentioned weighing, packing and sewing machine, the material transport box includes a lower shell and an upper shell; the lower shell includes a bottom plate and two correspondingly arranged lower side plates, and the bottom of the bottom plate has four universal casters; the upper shell includes a full side plate and an upper side plate; the two full side plates are arranged correspondingly, and the two upper side plates are arranged correspondingly, and are spliced ​​together and connected above the lower shell; the top of the full side plate has an ear plate protruding outward, and the bottom surface of the ear plate can correspond to the top surface of the lifting cylinder; the lower side plate and the upper side plate are combined to have the same size as the full side plate. Through the split structure of the upper shell and the lower shell, corresponding retreat space can be provided for the pushing of the pushing cylinder, and the degree of automation is higher.

[0020] Preferably, in the above-mentioned weighing, baling and sewing machine, the fixed end of the compacting oil cylinder is installed on the top of the compacting frame, and the telescopic end is connected to the compacting plate; the fixed end of the pushing oil cylinder is installed on the bottom side of the compacting frame, and the telescopic end is connected to the pushing plate. The compacting and pushing effects are better.

[0021] Preferably, in the above-mentioned weighing, baling and sewing machine, it also includes a locking mechanism; the number of the locking mechanisms is four, and they are respectively installed on the four support rods of the compacting frame; the locking mechanism includes a mounting frame, an articulated frame, a locking cylinder, a first connecting rod, a second connecting rod, a third connecting rod and a locking block; the mounting frame is fixed to the inner side of the support rod of the compacting frame; the articulated frame is correspondingly fixed to the outer side of the support rod of the compacting frame; the fixed end of the locking cylinder is connected to the mounting frame; one end of the first connecting rod is hinged to the mounting frame; one end of the second connecting rod is hinged to the other end of the first connecting rod, and the middle part is hinged to the telescopic end of the locking cylinder; one end of the third connecting rod is hinged to the other end of the second connecting rod; the middle part of the locking block is hinged to the other end of the third connecting rod, and one end is hinged to the articulated frame. The locking mechanism is divided into two groups and is located on both sides of the compaction frame, namely the inlet and the outlet. By controlling the locking mechanism, the three states of fully closed, inlet closed and opening closed can be switched, which can effectively control the delivery position of the material transport box.

[0022] Preferably, in the above-mentioned weighing, baling and sewing machine, the bagging assembly includes a bagging frame, a clamping shaft, a clamping rod and a pedal assembly; the bagging frame is a rectangular shell with openings at both ends, and one end opening is connected to the side of the compacting frame and corresponds to the pushing cylinder; the two clamping shafts are horizontally located on the top and bottom surfaces of the bagging frame, respectively, and the two ends of the clamping shaft are rotatably connected to the compacting frame; the clamping rod is a U-shaped structure, and the two ends are fixedly connected to the clamping shaft, and the middle rod of the clamping rod is sleeved with a plurality of elastic sleeves; the pedal assembly is connected to one end of the two clamping shafts, and is used to drive the two clamping shafts to rotate in opposite directions. The sack can be set only by stepping on the pedal assembly, which is simple and convenient to use.

[0023] Among them, the pedal assembly is symmetrically arranged on both sides of the bag frame, including an upper curved rod, a lower curved rod, a U-shaped head connecting rod, a spring, a pedal rod and a pedal; the middle part of the upper curved rod is fixedly connected to the upper end of the clamping shaft and is hinged to the vertical rod of the compaction frame; the middle part of the lower curved rod is fixedly connected to the lower end of the clamping shaft and is hinged to the vertical rod of the compaction frame; the bottom end of the U-shaped head of the U-shaped head connecting rod is hinged to one end of the lower curved rod, and the other end is hinged to one end of the upper curved rod; the spring is hung on the other end of the upper curved rod and the hinged end of the lower curved rod and the U-shaped head connecting rod; the middle part of the pedal rod is hinged to the top end of the U-shaped head of the U-shaped head connecting rod, and one end is hinged to the vertical rod of the compaction frame; the pedal is fixed to the other end of the pedal rod.

[0024] Preferably, in the above-mentioned weighing, packing and sewing machine, the sewing assembly includes a forming box, a transverse track, a sliding frame, a sealing component, a longitudinal track and a sewing machine; the forming box is a rectangular shell with openings at both ends, and one end opening is docked with the opening of the bag frame away from the compacting frame; the transverse track is horizontally arranged below the forming box and is in the same arrangement direction as the conveying assembly; the sliding frame is located between the transverse track and the forming box and is slidably connected to the transverse track; the sealing component is connected to the forming box and the sliding frame and is used to clamp and close the opening of the sack; the longitudinal track is arranged vertically to the transverse track, and the bottom of the sewing machine is slidably connected to the longitudinal track. The present invention can realize automatic clamping and sewing of the sack mouth through the above structure, and the operation is simple and convenient.

[0025] Preferably, in the above-mentioned weighing, packing and sewing machine, the sealing assembly includes a driving motor, a transmission shaft, and two groups of driving sprockets, driven sprockets, a connecting rod mechanism and a guide mechanism symmetrically arranged on both sides of the sliding frame; the driving motor is fixed on one side of the sliding frame; the transmission shaft is horizontally arranged under the forming box and is rotatably connected to the two ends of the sliding frame; the driving sprockets are rotatably connected to the two ends of the transmission shaft respectively; the driven sprocket is rotatably connected to the sliding frame, and is located above the driving sprocket, and is connected to the driving sprocket through a chain; the connecting rod mechanism includes a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a seventh connecting rod, an eighth connecting rod, a ninth connecting rod, an upper clamping rod and a lower clamping rod; one end of the fourth connecting rod is fixedly connected to the driven sprocket; one end of the fifth connecting rod is hinged to the other end of the fourth connecting rod, and the other end is slidably connected to the limiting sliding groove of the side wall of the sliding frame , and is fixedly connected to the forming box; one end of the sixth connecting rod is hinged to the side wall of the forming box, and one end of the seventh connecting rod is hinged to the side wall of the forming box, and the hinge point is located directly below the sixth connecting rod; one end of the eighth connecting rod is hinged to the middle part of the sixth connecting rod; one end of the ninth connecting rod is hinged to the middle part of the seventh connecting rod, and the other end is hinged to the other end of the eighth connecting rod, and the hinged end is fixedly connected to the side wall of the forming box; the two ends of the upper clamping rod are fixedly connected to the end heads of the two sixth connecting rods; the two ends of the lower clamping rod are fixedly connected to the end heads of the two seventh connecting rods; the upper clamping rod and the lower clamping rod are located at the opening end of the forming box facing the package frame; the guide mechanism includes a guide slide groove and a guide slider fixed on the sliding frame, and the guide slide groove is located parallel to and below the limiting slide groove; the guide slider is fixedly connected to the forming box and is slidably connected to the limiting slide groove. Through the above results, the upper and lower clamping rods can be clamped together while the molding box is driven to evade backwards, which has an ingenious structure and simple driving.

[0026] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses a weighing, packing and sewing machine, which has the following beneficial effects:

[0027] 1. The present invention first loads the material into the material transport box, pushes it to the pre-pressing and weighing assembly for pre-pressing and weighing, and after the preset weight is reached by manually adding or subtracting the material, pushes the material transport box to the conveying assembly, and the conveying assembly conveys the material transport box to the compacting and pushing assembly for compression to a specified size, pushes the material into the packaging sack, and reaches the sewing assembly through the bagging assembly, so as to achieve compression of the sealing end of the sack and complete automatic sewing and sealing; the integration and automation levels are high, which improves work efficiency.

[0028] 2. The present invention realizes suspended weighing through the cooperation of the unequal-plane double-pin mechanism, thereby preventing problems such as jamming and excessive wear, and has good weighing effect and high degree of automation.

[0029] 3. The present invention provides a detachable material transport box, which can provide corresponding retreat space for the pushing of the pushing cylinder through the detachable structure of the upper shell and the lower shell, and has a higher degree of automation.

[0030] 4. The present invention provides a locking mechanism, which is divided into two groups and located on both sides of the compaction frame, namely the inlet and the outlet. By controlling the locking mechanism, switching between the three states of fully closed, inlet closed, and opening closed can be achieved, and the transportation position of the material transport box can be effectively controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0032] Figure 1 The accompanying drawing is an axonometric view of the overall structure provided by the present invention;

[0033] Figure 2 The accompanying drawing is an axonometric view of the preloading assembly provided by the present invention;

[0034] Figure 3 The accompanying drawing is a front view of the pre-pressing assembly provided by the present invention;

[0035] Figure 4 The accompanying drawings provide Figure 3 Top view of the middle AA;

[0036] Figure 5 The accompanying drawing is an axonometric view of the bag sewing assembly provided by the present invention;

[0037] Figure 6 The accompanying drawing is a side view of the bag sewing assembly provided by the present invention;

[0038] Figure 7 The accompanying drawing is an axonometric view of the locking mechanism provided by the present invention;

[0039] Figure 8 The accompanying drawing is a schematic structural diagram of the pedal assembly provided by the present invention.

[0040] in:

[0041] 1- Pre-load weighing frame;

[0042] 11- first vertical groove;

[0043] 12- second vertical groove;

[0044] 2-Pre-load weighing assembly;

[0045] 21- pre-pressing assembly;

[0046] 211-installation box;

[0047] 212-Gear;

[0048] 213- rack;

[0049] 214-pre-pressing plate;

[0050] 22- weighing component;

[0051] 221-lower beam;

[0052] 222-upper beam;

[0053] 223-Connecting chain;

[0054] 224-weighing chassis;

[0055] 2241-guide pin;

[0056] 2242-Pulley track;

[0057] 225-fixed beam;

[0058] 2251-round pin hole;

[0059] 226- weighing sensor;

[0060] 227-dowel rod;

[0061] 228-display screen;

[0062] 229-Opposite double pin mechanism;

[0063] 2291-Cylindrical pin;

[0064] 2292-diamond pin;

[0065] 3-Compact the frame;

[0066] 4-Compacting and pushing assembly

[0067] 41-compacting cylinder;

[0068] 411- compaction plate;

[0069] 42-lifting cylinder;

[0070] 43- push cylinder;

[0071] 431-Push board;

[0072] 5-Package assembly;

[0073] 51-Package framework;

[0074] 52- clamping shaft;

[0075] 53-clamping rod;

[0076] 54- pedal assembly;

[0077] 541-upper bend bar;

[0078] 542-Bend down bar;

[0079] 543-U-head connecting rod;

[0080] 544-spring;

[0081] 545- pedal rod;

[0082] 546- pedal;

[0083] 511-Elastic sleeve;

[0084] 6-sewing bag assembly;

[0085] 61-forming box;

[0086] 62- transverse track;

[0087] 63-sliding frame;

[0088] 631-limited slide;

[0089] 64-sealing component;

[0090] 641-driving motor;

[0091] 642-transmission shaft;

[0092] 643-driving sprocket;

[0093] 644-driven sprocket;

[0094] 645-connecting rod mechanism;

[0095] 6451-4th connecting rod;

[0096] 6452-Fifth connecting rod;

[0097] 6453-sixth connecting rod;

[0098] 6454-seventh connecting rod;

[0099] 6455-eighth connecting rod;

[0100] 6456-9th connecting rod;

[0101] 6457-upper clamping rod;

[0102] 6458-Lower clamping rod;

[0103] 646-Guide mechanism;

[0104] 6461-guide chute;

[0105] 6462-guide slider;

[0106] 65-longitudinal track;

[0107] 66-Sewing machine;

[0108] 7-Electronic control hydraulic assembly;

[0109] 8-Material transport box;

[0110] 81-lower housing;

[0111] 82-upper housing;

[0112] 83-Ear plate

[0113] 9- Cancellation mechanism;

[0114] 91-mounting frame;

[0115] 92-articulated frame;

[0116] 93-locking cylinder;

[0117] 94-first connecting rod;

[0118] 95-second connecting rod;

[0119] 96-third connecting rod;

[0120] 97-Locking block.

[0121] 100-Conveying assembly. DETAILED DESCRIPTION

[0122] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0123] See attached Figure 1 To Attachment Figure 8 The embodiment of the present invention discloses a weighing, packing and sewing integrated machine, comprising: a pre-pressing and weighing frame 1, a pre-pressing and weighing assembly 2, a compacting frame 3, a compacting and pushing assembly 4, a conveying assembly 100, a packing assembly 5, a sewing assembly 6 and an electric-controlled hydraulic assembly 7;

[0124] The pre-load weighing frame 1 is a vertical rectangular frame;

[0125] The pre-pressing and weighing assembly 2 is installed on the pre-pressing and weighing frame 1, and is used to pre-press and weigh the materials inside the material transport box 8; the material transport box 8 is a rectangular box with an open top and upper and lower parts connected;

[0126] The compaction frame 3 is a vertical rectangular frame;

[0127] The compacting and pushing assembly 4 includes a compacting cylinder 41, a lifting cylinder 42 and a pushing cylinder 43; the compacting cylinder 41 is installed on the top of the compacting frame 3 and is used to compact the material inside the material transport box 8; the lifting cylinder 42 is installed on both sides of the compacting frame 3 and is used to split the material transport box 8; the pushing cylinder 43 is installed on the bottom side of the compacting frame 3 and is used to push the material inside the material transport box 8;

[0128] The conveying assembly 100 is located between the pre-pressing weighing frame 1 and the compacting frame 3 and is used to convey the material transport box 8 from the pre-pressing weighing frame 1 to the compacting frame 3;

[0129] The bagging assembly 5 is installed on the outer side of the compacting frame 3 and opposite to the pushing cylinder 43, and is used to put on the sack and guide the material pushed by the pushing cylinder 43 into the sack;

[0130] The bag sewing assembly 6 is connected to the bag covering assembly 5 and is used to shape, seal and sew the sacks filled with materials;

[0131] The electronically controlled hydraulic assembly 7 is used to provide electrical power and hydraulic power.

[0132] In order to further optimize the above technical solution, the prestressing weighing assembly 2 includes a prestressing component 21; the prestressing component 21 includes a mounting box 211, a gear 212, a rack 213 and a prestressing plate 214; the mounting box 211 is fixed to the top of the prestressing weighing frame 1; the two gears 212 are rotatably connected to the inside of the mounting box 211 and mesh with each other, and the central axis of a gear 212 extends out of the mounting box 211 for connecting to the motor power; the rack 213 is arranged vertically and passes through the top and bottom surfaces of the mounting box 211, and the two racks 213 are respectively located between the outside of the two gears 212 and the mounting box 211, and mesh with the gear 212, and the tops of the two racks 213 are fixedly connected; the top surface of the prestressing plate 214 is fixedly connected to the bottom end of the rack 213.

[0133] In order to further optimize the above technical solution, the prestressing weighing assembly 2 also includes a weighing component 22; the weighing component 22 includes a lower crossbeam 221, an upper crossbeam 222, a connecting chain 223, a weighing chassis 224, a fixed crossbeam 225, a weighing sensor 226, a force transmission rod 227 and a display screen 228; there are two lower crossbeams 221, which are arranged in parallel at the bottom end of the prestressing weighing frame 1, and the two ends of the lower crossbeam 221 are slidably connected in the first vertical groove 11 opened in the vertical pole of the prestressing weighing frame 1; there are two upper crossbeams 222, which are arranged in parallel above the prestressing plate 214 and can be fitted with the prestressing plate 214, and the two ends of the upper crossbeam 222 are slidably connected in the second vertical groove 1 opened in the vertical pole of the prestressing weighing frame 1 2; a connecting chain 223 connects the corresponding ends of the upper crossbeam 222 and the lower crossbeam 221; a weighing chassis 224 is horizontally fixed on the lower crossbeam 221, and the bottom of the four corners has guide pins 2241 plugged with the preload weighing frame 1, and the top of the weighing chassis 224 has multiple pulley tracks 2242; a fixed crossbeam 225 is fixed on both sides of the preload weighing frame 1 and is located above the weighing chassis; a weighing sensor 226 is fixed to the bottom surface of the fixed crossbeam 225; one end of the force transmission rod 227 is connected to the sensing end of the weighing sensor 226, and the other end points downward to the lower crossbeam 221, and is a retractable movable structure; a display screen 228 is installed on the bracket of the preload weighing frame 1 and is electrically connected to the weighing sensor 226.

[0134] In order to further optimize the above technical solution, the weighing assembly 22 also includes an eccentric double-pin mechanism 229; the eccentric double-pin mechanism 229 includes a cylindrical pin 2291 and a diamond pin 2292 vertically fixed on the lower beam 221; the cylindrical pin 2291 and the diamond pin 2292 both pass through a circular pin hole 2251 opened on the fixed beam 225, and the cylindrical pin 2291 and the circular pin hole 2251 are adapted to each other.

[0135] In order to further optimize the above technical solution, the material transport box 8 includes a lower shell 81 and an upper shell 82; the lower shell 81 includes a bottom plate and two corresponding lower side plates, and the bottom of the bottom plate has four universal casters; the upper shell 82 includes a full side plate and an upper side plate; the two full side plates are arranged correspondingly, and the two upper side plates are arranged correspondingly, and are spliced ​​together and connected to the top of the lower shell 81; the top of the full side plate has an ear plate 83 protruding outward, and the bottom surface of the ear plate 83 can correspond to the top surface of the lifting cylinder 42; the lower side plate and the upper side plate are combined to have the same size as the full side plate.

[0136] In order to further optimize the above technical solution, the fixed end of the compacting cylinder 41 is installed on the top of the compacting frame 3, and the telescopic end is connected to the compacting plate 411; the fixed end of the pushing cylinder 43 is installed on the bottom side of the compacting frame 3, and the telescopic end is connected to the pushing plate 431.

[0137] In order to further optimize the above technical solution, it also includes a locking mechanism 9; the number of locking mechanisms 9 is four, and they are respectively installed on the four support rods of the compaction frame 3; the locking mechanism 9 includes a mounting frame 91, an articulated frame 92, a locking cylinder 93, a first connecting rod 94, a second connecting rod 95, a third connecting rod 96 and a locking block 97; the mounting frame 91 is fixed to the inner side of the support rod of the compaction frame 3; the articulated frame 92 is correspondingly fixed to the outer side of the support rod of the compaction frame 3; the fixed end of the locking cylinder 93 is connected to the mounting frame 91; one end of the first connecting rod 94 is hinged to the mounting frame 91; one end of the second connecting rod 95 is hinged to the other end of the first connecting rod 94, and the middle part is hinged to the telescopic end of the locking cylinder 93; one end of the third connecting rod 96 is hinged to the other end of the second connecting rod 95; the middle part of the locking block 97 is hinged to the other end of the third connecting rod 96, and one end is hinged to the articulated frame 92.

[0138] In order to further optimize the above technical solution, the bag assembly 5 includes a bag frame 51, a clamping shaft 52, a clamping rod 53 and a pedal assembly 54; the bag frame 51 is a rectangular shell with openings at both ends, and one end opening is connected to the side of the compacting frame 3 and corresponds to the pushing cylinder 43; the two clamping shafts 52 are horizontally located on the top and bottom surfaces of the bag frame 51, respectively, and the two ends of the clamping shaft 52 are rotatably connected to the compacting frame 3; the clamping rod 53 is a U-shaped structure, and the two ends are fixedly connected to the clamping shaft 52, and a plurality of elastic sleeves 55 are sleeved on the middle rod of the clamping rod 53; the pedal assembly 54 is connected to one end of the two clamping shafts 52, and is used to drive the two clamping shafts 52 to rotate in opposite directions.

[0139] In order to further optimize the above technical solution, the pedal assembly 54 is symmetrically arranged on both sides of the bag frame 51, including an upper curved rod 541, a lower curved rod 542, a U-shaped head connecting rod 543, a spring 544, a pedal rod 545 and a pedal 546; the middle part of the upper curved rod 541 is fixedly connected to the end of the upper clamping shaft 52 and is hinged to the vertical rod of the compaction frame 3; the middle part of the lower curved rod 542 is fixedly connected to the end of the lower clamping shaft 52 and is hinged to the vertical rod of the compaction frame 3 The vertical pole is hinged; the bottom end of the U-shaped head of the U-shaped head connecting rod 543 is hinged to one end of the lower curved rod 542, and the other end is hinged to one end of the upper curved rod 541; the spring 544 is hung on the other end of the upper curved rod 541 and the hinged end of the lower curved rod 542 and the U-shaped head connecting rod 543; the middle part of the pedal rod 545 is hinged to the top end of the U-shaped head of the U-shaped head connecting rod 543, and one end is hinged to the vertical pole of the compaction frame 3; the pedal 546 is fixed to the other end of the pedal rod 545.

[0140] In order to further optimize the above technical solution, the bag sewing assembly 6 includes a forming box 61, a transverse rail 62, a sliding frame 63, a sealing assembly 64, a longitudinal rail 65 and a sewing machine 66; the forming box 61 is a rectangular shell with openings at both ends, and one end opening is connected to the opening of the bag frame 51 away from the compacting frame 3; the transverse rail 62 is horizontally arranged below the forming box 61, and is in the same arrangement direction as the conveying assembly 100; the sliding frame 63 is located between the transverse rail 62 and the forming box 61, and is slidably connected to the transverse rail 62; the sealing assembly 64 is connected to the forming box 61 and the sliding frame 63, and is used to clamp and close the opening of the sack; the longitudinal rail 65 is arranged vertically to the transverse rail 62, and the bottom of the sewing machine 66 is slidably connected to the longitudinal rail 65.

[0141] In order to further optimize the above technical solution, the sealing assembly 64 includes a driving motor 641, a transmission shaft 642, and two sets of driving sprockets 643, driven sprockets 644, a connecting rod mechanism 645 and a guide mechanism 646 symmetrically arranged on both sides of the sliding frame; the driving motor 641 is fixed to one side of the sliding frame 63; the transmission shaft 642 is horizontally arranged below the forming box 61 and is rotatably connected to both ends of the sliding frame 63; the driving sprocket 643 is rotatably connected to both ends of the transmission shaft 642; the driven sprocket 644 is rotatably connected to the sliding frame 63, and is located above the driving sprocket 643, and is connected to the driving sprocket 643 through a chain; the connecting rod mechanism 645 includes a fourth connecting rod 6451, a fifth connecting rod 6452, a sixth connecting rod 6453, a seventh connecting rod 6454, an eighth connecting rod 6455, a ninth connecting rod 6456, an upper clamping rod 6457, and a lower clamping rod 6458; one end of the fourth connecting rod 6451 is fixedly connected to the driven sprocket 644; one end of the fifth connecting rod 6452 is hinged to the other end of the fourth connecting rod 6451, and the other end is slidably connected to the side wall of the sliding frame 63 The limiting slide groove 631 is fixedly connected to the molding box 61; one end of the sixth connecting rod 6453 is hinged to the side wall of the molding box 61, and one end of the seventh connecting rod 6454 is hinged to the side wall of the molding box 61, and the hinge point is located directly below the sixth connecting rod 6453; one end of the eighth connecting rod 6455 is hinged to the middle of the sixth connecting rod 6453; one end of the ninth connecting rod 6456 is hinged to the middle of the seventh connecting rod 6454, and the other end is hinged to the other end of the eighth connecting rod 6455, and the hinged end is fixedly connected to the side wall of the molding box 61; the upper clamping rod 6457 The two ends are fixedly connected to the ends of the two sixth connecting rods 6453; the two ends of the lower clamping rod 6458 are fixedly connected to the ends of the two seventh connecting rods 6454; the upper clamping rod 6457 and the lower clamping rod 6458 are located at the open end of the molding box 61 facing the package frame 51; the guiding mechanism 646 includes a guiding groove 6461 and a guiding slider 6462 fixed on the sliding frame 63, and the guiding groove 6461 is located parallel to and below the limiting groove 631; the guiding slider 6462 is fixedly connected to the molding box 61 and is slidably connected to the limiting groove 631.

[0142] The workflow of the present invention is:

[0143] First, step on the pedal assembly 54 to open the clamping rod 53, then put the sack on the bag frame 51, and release the pedal assembly 54 to press the sack after tidying it up.

[0144] The material transport box 8 is loaded with materials and pushed onto the weighing chassis 224 of the weighing component 22. Materials are added or subtracted as required. At the same time, the mechanical gear rack preloading component 21 is preloaded according to actual conditions. Then, the upper beam 222 and the lower beam 221 are driven upward by the preloading plate 215. After squeezing the force transmission rod 227, it acts on the weighing sensor 226 to realize suspended weighing. Then, the material transport box 8 is pushed to the conveying assembly 100. The conveying assembly 100 determines whether to transport the material transport box 8 based on the pressure bag situation in front.

[0145] The locking mechanism 9 on the compaction and pushing assembly 3 detects whether there is a material transport box 8 inside, and the system determines whether the packaging is completed, thereby controlling the locking mechanism 9 to be fully closed, only the inlet is open, or only the outlet is open. At the normal initialization, the lifting cylinder 42 is at the lowest end, the locking mechanism 9 is only closed at the outlet, the compaction cylinder 41 is at the highest end, and the pushing cylinder 43 is in a retracted state. The conveying assembly 100 determines that the material transport box 8 can be conveyed to the inside of the compaction frame 3 until it contacts the locking mechanism 9 at the outlet. After the electronically controlled hydraulic system 7 determines whether it is in place, the locking mechanism 9 at the entrance is closed, and the locking mechanism 9 is in a fully closed state. Closed state; the compacting cylinder 41 drives the upper pressure head to press down to the set position; the lifting cylinder 42 lifts and opens the upper shell 82 of the material conveying box 8; the pushing cylinder 43 pushes the molded part to the molding box 61 through the bagging frame 51, at this time the molded part is put into the sack and enters the molding box 61; after the sealing component 64 is pressed, the pushing cylinder 43 retracts; the lifting cylinder 42 descends and the compacting cylinder 41 returns to its position, and then the locking mechanism 9 only opens the outlet, the material conveying box 8 leaves the compacting frame 3, the locking mechanism 9 closes the outlet and opens the entrance; the conveying assembly 100 determines the conveying of the material conveying box 8, and repeats the cycle.

[0146] The forming box 61 moves on the transverse track 62 and is sewn and sealed by the sewing machine 66 to complete the packaging.

[0147] The electronically controlled hydraulic assembly 7 is used to provide electrical power and hydraulic power.

[0148] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0149] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A weighing, packing and sewing machine, characterized in that: include: A pre-pressing weighing frame (1), a pre-pressing weighing assembly (2), a compacting frame (3), a compacting and pushing assembly (4), a conveying assembly (100), a bagging assembly (5), a bag sewing assembly (6), and an electronically controlled hydraulic assembly (7); The pre-stressing weighing frame (1) is a vertical rectangular frame; The pre-pressing and weighing assembly (2) is mounted on the pre-pressing and weighing frame (1) and is used to pre-press and weigh the material inside the material transport box (8); the material transport box (8) is a rectangular box with an open top and upper and lower parts connected; The compaction frame (3) is a vertical rectangular frame; The compacting and pushing assembly (4) comprises a compacting cylinder (41), a lifting cylinder (42) and a pushing cylinder (43); the compacting cylinder (41) is mounted on the top of the compacting frame (3) and is used to compact the material inside the material transport box (8); the lifting cylinder (42) is mounted on both sides of the compacting frame (3) and is used to split the material transport box (8); the pushing cylinder (43) is mounted on the bottom side of the compacting frame (3) and is used to push the material inside the material transport box (8); The conveying assembly (100) is located between the pre-pressing weighing frame (1) and the compacting frame (3), and is used to convey the material transport box (8) from the pre-pressing weighing frame (1) to the compacting frame (3); The bagging assembly (5) is mounted on the outer side of the compacting frame (3) and opposite to the pushing cylinder (43), and is used to cover the sack and guide the material pushed by the pushing cylinder (43) into the sack; The bag sewing assembly (6) is docked with the bag covering assembly (5) and is used to shape, seal and sew the sacks filled with materials; The electronically controlled hydraulic assembly (7) is used to provide power and hydraulic power; The pre-stressing weighing assembly (2) comprises a pre-stressing component (21); the pre-stressing component (21) comprises a mounting box (211), a gear (212), a rack (213) and a pre-stressing plate (214); the mounting box (211) is fixed to the top of the pre-stressing weighing frame (1); the two gears (212) are rotatably connected to the inside of the mounting box (211) and mesh with each other, and a central axis of one gear (212) extends out of the mounting box (211) for connecting to a motor power; the rack (213) is arranged vertically and passes through the top and bottom surfaces of the mounting box (211), the two racks (213) are respectively located between the outsides of the two gears (212) and the mounting box (211), and mesh with the gears (212), and the tops of the two racks (213) are fixedly connected; the top surface of the pre-stressing plate (214) is fixedly connected to the bottom end of the rack (213); The prestressing weighing assembly (2) further comprises a weighing component (22); the weighing component (22) comprises a lower crossbeam (221), an upper crossbeam (222), a connecting chain (223), a weighing chassis (224), a fixed crossbeam (225), a weighing sensor (226), a force transmission rod (227) and a display screen (228); the number of the lower crossbeams (221) is two and they are arranged in parallel at the bottom end of the prestressing weighing frame (1), and the two ends of the lower crossbeams (221) are slidably connected to the first vertical slot (11) opened in the vertical pole of the prestressing weighing frame (1); the number of the upper crossbeams (222) is two and they are arranged in parallel above the prestressing plate (214) and can be fitted with the prestressing plate (214), and the two ends of the upper crossbeams (222) are slidably connected to the second vertical slot (12) opened in the vertical pole of the prestressing weighing frame (1); the connecting chain (223 ) connects the corresponding ends of the upper crossbeam (222) and the lower crossbeam (221); the weighing chassis (224) is horizontally fixed on the lower crossbeam (221), and the bottom of the four corners has guide pins (2241) plugged into the pre-stressed weighing frame (1), and the top of the weighing chassis (224) has a plurality of pulley tracks (2242); the fixed crossbeam (225) is fixed on both sides of the pre-stressed weighing frame (1) and is located above the weighing chassis (224); the weighing sensor (226) is fixed to the bottom surface of the fixed crossbeam (225); one end of the force transmission rod (227) is connected to the sensing end of the weighing sensor (226), and the other end points downward to the lower crossbeam (221), and is a retractable movable structure; the display screen (228) is installed on the bracket of the pre-stressed weighing frame (1) and is electrically connected to the weighing sensor (226); The weighing assembly (22) further comprises an eccentric double-pin mechanism (229); the eccentric double-pin mechanism (229) comprises a cylindrical pin (2291) and a diamond pin (2292) vertically fixed on the lower crossbeam (221); the cylindrical pin (2291) and the diamond pin (2292) both pass through a circular pin hole (2251) provided on the fixed crossbeam (225), and the cylindrical pin (2291) and the circular pin hole (2251) are adapted to fit; The material transport box (8) comprises a lower shell (81) and an upper shell (82); the lower shell (81) comprises a bottom plate and two correspondingly arranged lower side plates, the bottom of the bottom plate having four universal casters; the upper shell (82) comprises a full side plate and an upper side plate; the two full side plates are arranged correspondingly, the two upper side plates are arranged correspondingly, and are spliced ​​together and connected to the top of the lower shell (81); the top of the full side plate has an ear plate (83) protruding outward, the bottom surface of the ear plate (83) can correspond to the top surface of the lifting cylinder (42); the lower side plate and the upper side plate are combined to have the same size as the full side plate.

2. The weighing, packing and sewing machine according to claim 1, characterized in that: The fixed end of the compacting cylinder (41) is mounted on the top of the compacting frame (3), and the telescopic end is connected to a compacting plate (411); the fixed end of the pushing cylinder (43) is mounted on the bottom side of the compacting frame (3), and the telescopic end is connected to a pushing plate (431).

3. The weighing, packing and sewing machine according to claim 1, characterized in that: It also includes a locking mechanism (9); the number of the locking mechanisms (9) is four, and they are respectively mounted on four support rods of the compaction frame (3); the locking mechanism (9) includes a mounting frame (91), an articulated frame (92), a locking cylinder (93), a first connecting rod (94), a second connecting rod (95), a third connecting rod (96) and a locking block (97); the mounting frame (91) is fixed to the inner side of the support rod of the compaction frame (3); the articulated frame (92) is correspondingly fixed to the outer side of the support rod of the compaction frame (3); The fixed end of the locking cylinder (93) is connected to the mounting frame (91); one end of the first connecting rod (94) is hinged to the mounting frame (91); one end of the second connecting rod (95) is hinged to the other end of the first connecting rod (94), and the middle part is hinged to the telescopic end of the locking cylinder (93); one end of the third connecting rod (96) is hinged to the other end of the second connecting rod (95); the middle part of the locking block (97) is hinged to the other end of the third connecting rod (96), and one end is hinged to the articulated frame (92).

4. The weighing, packing and sewing machine according to claim 1, characterized in that: The sleeve assembly (5) comprises a sleeve frame (51), a clamping shaft (52), a clamping rod (53) and a pedal assembly (54); the sleeve frame (51) is a rectangular shell with openings at both ends, and one end of the opening is connected to the side of the compacting frame (3) and corresponds to the pushing cylinder (43); the two clamping shafts (52) are respectively horizontally located on the top and bottom surfaces of the sleeve frame (51), and the two ends of the clamping shafts (52) are rotatably connected to the compacting frame (3); the clamping rod (53) is a U-shaped structure, and the two ends are fixedly connected to the clamping shaft (52), and a plurality of elastic sleeves (55) are sleeved on the middle rod of the clamping rod (53); the pedal assembly (54) is connected to one end of the two clamping shafts (52) and is used to drive the two clamping shafts (52) to rotate in opposite directions.

5. The weighing, packing and bag sewing machine according to claim 4, characterized in that: The bag sewing assembly (6) comprises a forming box (61), a transverse track (62), a sliding frame (63), a sealing assembly (64), a longitudinal track (65) and a sewing machine (66); the forming box (61) is a rectangular shell with openings at both ends, and one end of the opening is connected to an opening of the bag-covering frame (51) away from the compacting frame (3); the transverse track (62) is horizontally arranged below the forming box (61) and is arranged in the same direction as the conveying assembly (100); the sliding frame (63) is located between the transverse track (62) and the forming box (61) and is slidably connected to the transverse track (62); the sealing assembly (64) is connected to the forming box (61) and the sliding frame (63) and is used to clamp and seal the opening of the sack; the longitudinal track (65) is arranged vertically to the transverse track (62), and the bottom of the sewing machine (66) is slidably connected to the longitudinal track (65).

6. The weighing, packing and bag sewing machine according to claim 5, characterized in that: The sealing assembly (64) comprises a driving motor (641), a transmission shaft (642), and two groups of driving sprockets (643), driven sprockets (644), a connecting rod mechanism (645) and a guide mechanism (646) symmetrically arranged on both sides of the sliding frame; the driving motor (641) is fixed to one side of the sliding frame (63); the transmission shaft (642) is horizontally arranged below the forming box (61) and is rotatably connected to both ends of the sliding frame (63); the driving sprocket (643) is rotatably connected to both ends of the transmission shaft (642); the driven sprocket (644) is rotatably connected to the sliding frame (63) and is located at the driving motor (641). The driving sprocket (643) is above the driving sprocket (643) and is connected to the driving sprocket (643) through a chain; the connecting rod mechanism (645) includes a fourth connecting rod (6451), a fifth connecting rod (6452), a sixth connecting rod (6453), a seventh connecting rod (6454), an eighth connecting rod (6455), a ninth connecting rod (6456), an upper clamping rod (6457), and a lower clamping rod (6458); one end of the fourth connecting rod (6451) is fixedly connected to the driven sprocket (644); one end of the fifth connecting rod (6452) is hinged to the other end of the fourth connecting rod (6451), and the other end is slidably connected to the limiting sliding groove (631) on the side wall of the sliding frame (63) and is connected to the The molding box (61) is fixedly connected; one end of the sixth connecting rod (6453) is hinged to the side wall of the molding box (61), and one end of the seventh connecting rod (6454) is hinged to the side wall of the molding box (61), and the hinge point is located directly below the sixth connecting rod (6453); one end of the eighth connecting rod (6455) is hinged to the middle of the sixth connecting rod (6453); one end of the ninth connecting rod (6456) is hinged to the middle of the seventh connecting rod (6454), and the other end is hinged to the other end of the eighth connecting rod (6455), and the hinged end is fixedly connected to the side wall of the molding box (61); both ends of the upper clamping rod (6457) are hinged to the two sixth connecting rods (6454); The end of the connecting rod (6453) is fixedly connected; the two ends of the lower clamping rod (6458) are fixedly connected to the ends of the two seventh connecting rods (6454); the upper clamping rod (6457) and the lower clamping rod (6458) are located at the open end of the molding box (61) facing the package frame (51); the guiding mechanism (646) includes a guiding groove (6461) and a guiding slider (6462) fixed on the sliding frame (63), and the guiding groove (6461) is located parallel to and below the limiting groove (631); the guiding slider (6462) is fixedly connected to the molding box (61) and is slidably connected to the limiting groove (631).

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