CN109080221B - Polygonal thermoplastic sealing bag making machine - Google Patents
Polygonal thermoplastic sealing bag making machine Download PDFInfo
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- CN109080221B CN109080221B CN201811264157.XA CN201811264157A CN109080221B CN 109080221 B CN109080221 B CN 109080221B CN 201811264157 A CN201811264157 A CN 201811264157A CN 109080221 B CN109080221 B CN 109080221B
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- assembly
- heating block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a polygonal thermoplastic sealing bag making machine. The machine comprises a frame assembly, wherein a chassis assembly is arranged at one end of the frame assembly, a plurality of thermoplastic conveying assemblies are arranged in the frame assembly in parallel, a feeding plate is arranged at the front part of the head end of each thermoplastic conveying assembly, and a blanking plate is arranged at the rear part of the tail end of each thermoplastic conveying assembly; the case assembly comprises a case body, and a driving motor is arranged in the case body; the bottom of the top frame body is provided with a top first rail and a top second rail, and the top of the middle frame body is provided with a middle first rail and a middle second rail; the thermoplastic conveying assembly comprises an upper mounting plate and a lower mounting plate; the rear parts of the two driving wheel assemblies are respectively provided with a transmission shaft connected with the driving wheels; an upper heating block is arranged at the front part below the upper mounting plate, an upper cooling block is arranged at the rear part below the upper heating block, a lower heating block is arranged at the front part above the lower mounting plate, and a lower cooling block is arranged at the rear part below the lower heating block. The invention has compact structure and realizes continuous production.
Description
Technical Field
The invention belongs to the technical field of plastic packaging equipment, and particularly relates to a polygonal thermoplastic packaging bag making machine.
Background
In the packaging industry, various products are packaged by adopting thermoplastic paper bags, such as disposable tableware of restaurants, partial medical consumables and the like, are packaged by adopting the thermoplastic paper bags, and the sanitation condition and the use convenience of the products are well ensured. Thermoplastic paper is generally made of thermoplastic paper, and the thermoplastic paper is paper with a thermoplastic layer on one surface, so that the packaging bag made of the material is convenient to use and has the characteristic of environmental protection (easy degradation), and is widely accepted and adopted in modern society. Meanwhile, the thermoplastic paper can be quickly thermoplastic and plastic-sealed, so that the design and the manufacture of the packaging bag by adopting the thermoplastic paper have various advantages, and the large-scale production of the packaging paper bag is very facilitated.
In the prior art, when the thermoplastic paper is adopted to produce paper bags, a plastic packaging machine is generally adopted, the existing plastic packaging machine generally adopts a hot press molding process, namely an upper die and a lower die are arranged on the plastic packaging machine, one surface of thermoplastic films of two pieces of thermoplastic paper is attached and then placed between the upper die and the lower die, after the upper die and the lower die are started, the plastic packaging is completed by closing, and then the separated paper bags are obtained by cutting.
The thermoplastic sealing device in the above structural form has the following defects: firstly, the feeding and discharging between the upper die and the lower die are manually carried out, so that the operation is complex and the labor is consumed; secondly, frequent material circulation is involved in the whole processing process, so that continuous production is difficult to realize, and the production efficiency is low. Therefore, there is a need for an optimized design for a thermoplastic bag machine that addresses the above-described problems.
Disclosure of Invention
The invention provides a polygonal thermoplastic bag sealing machine which has a compact structure and realizes continuous production, reduces the requirement for manpower and greatly improves the production efficiency of thermoplastic paper bags.
The invention adopts the technical proposal for solving the technical problems in the prior art that: a polygonal thermoplastic bag sealing machine comprises a frame assembly, wherein a machine box assembly is arranged at one end of the frame assembly, a plurality of thermoplastic conveying assemblies are arranged in the frame assembly in parallel, a feeding plate is arranged at the front part of the head end of each thermoplastic conveying assembly, and a blanking plate is arranged at the rear part of the tail end of each thermoplastic conveying assembly; the case assembly comprises a case body, and a driving motor is arranged in the case body; the frame assembly comprises upright posts positioned at four corners, a bottom frame body is arranged between the bottoms of the upright posts, a middle frame body is arranged between the middle parts, and a top frame body is arranged between the tops of the upright posts; the bottom of the top frame body is provided with a top first rail and a top second rail, and the top of the middle frame body is provided with a middle first rail and a middle second rail; the thermoplastic conveying assembly comprises an upper mounting plate and a lower mounting plate; the head ends of the upper mounting plate and the lower mounting plate are respectively provided with a driven wheel assembly, the tail ends of the upper mounting plate and the lower mounting plate are respectively provided with a driving wheel assembly, and heat transfer belts are respectively arranged between the driven wheel of the upper driven wheel assembly and the driving wheel of the driving wheel assembly and between the driven wheel of the lower driven wheel assembly and the driving wheel of the driving wheel assembly; the rear parts of the two driving wheel assemblies are respectively provided with a transmission shaft connected with the driving wheels; an upper heating block is arranged at the front part below the upper mounting plate, an upper cooling block is arranged at the rear part below the upper mounting plate, a lower heating block is arranged at the front part above the lower mounting plate, a lower cooling block is arranged at the rear part below the lower mounting plate, the upper heating block corresponds to the lower heating block up and down and clamps the lower part of the upper heat transfer belt and the upper part of the lower heat transfer belt in the middle, and the upper cooling block corresponds to the lower cooling block up and down and clamps the lower part of the upper heat transfer belt and the upper part of the lower heat transfer belt in the middle; the top of the upper mounting plate is provided with a left slider and a right slider which are respectively positioned in the top first track and the top second track, the bottom of the lower mounting plate is provided with a left slider and a right slider which are respectively positioned in the middle first track and the middle second track; the transmission shaft of the innermost thermoplastic transmission assembly positioned above is in butt joint with the motor shaft of the driving motor; the end part of the transmission shaft of the outer thermoplastic transmission assembly is inserted into the insertion hole on the end surface of the driving wheel of the inner thermoplastic transmission assembly; the sliding blocks of the outermost thermoplastic conveying assembly are fixed with the track by adopting positioning end blocks.
The invention has the advantages and positive effects that: compared with the existing thermoplastic bag sealing machine, the polygonal thermoplastic bag sealing machine provided by the invention has the advantages that the traditional mode of upper die and lower die closing thermoplastic forming is abandoned, and a brand new processing mode that thermoplastic paper is continuously subjected to thermoplastic and conveying through a plurality of groups of thermoplastic conveying components is realized. As the continuous thermoplastic sealing processing is realized, the frequent sequence transfer and movement of materials are avoided, the labor is saved, the efficiency of the thermoplastic sealing processing is greatly improved, and the mass production and processing are facilitated. The whole machine has compact structure, the plurality of groups of thermoplastic conveying components are arranged on the frame component in a mode of adopting the track and the sliding block, so that convenience in installation and later debugging and changing is ensured, the whole machine has the technical effect of setting the number and the interval of the thermoplastic conveying components according to the specification and the size of thermoplastic packaging bags, and the use is very flexible and convenient. Through set up a set of heating block and a set of cooling block that corresponds from top to bottom on thermoplastic conveying subassembly, realized carrying out quick continuous thermoplastic package and cooling shaping's technical effect to the thermoplastic paper that passes through from the centre, guaranteed the product quality of thermoplastic package bagging-off.
Preferably: the upper heating block, the upper cooling block and the upper mounting plate as well as the lower heating block, the lower cooling block and the lower mounting plate are connected and fixed by adopting L-shaped connecting pieces.
Preferably: two spring assemblies are respectively arranged between the upper heating block and the upper cooling block and between the lower heating block and the lower mounting plate; the spring assembly comprises a center rod and a spring sleeved outside the center rod, one end of the center rod is fixedly connected with a corresponding heating block or cooling block, the other end of the center rod extends out from a rod hole formed in the upper mounting plate or the lower mounting plate, and a Z-shaped adjusting spring plate is arranged at the end part of the center rod.
Preferably: a left top rail beam and a right top rail beam are arranged on the top frame body, a top first rail is arranged on the left top rail beam, and a top second rail is arranged on the right top rail beam; the left middle rail beam and the right middle rail beam are arranged on the middle frame body, the middle first rail is arranged on the left middle rail beam, and the middle second rail is arranged on the right middle rail beam.
Preferably: the top first track, the top second track, the middle first track and the middle second track are all provided with track grooves with T-shaped cross sections, and the sliding blocks are T-shaped sliding blocks.
Preferably: and equal-length cushion blocks used for limiting the transverse position are arranged between the sliding blocks of two adjacent thermoplastic conveying assemblies and positioned on the same track.
Preferably: the upper heating block, the lower heating block, the upper cooling block and the lower cooling block are all made of metal materials; the electric heating bodies are arranged in the upper heating block and the lower heating block, and the blocks of the upper cooling block and the lower cooling block are provided with transverse through cooling air holes.
Preferably: and a temperature controller is further installed on the case body of the case assembly, and temperature sensors are installed in the upper heating block and the lower heating block and are electrically connected with the temperature controller.
Preferably: the driven wheel assembly comprises a base which is fixedly connected with the upper mounting plate or the lower mounting plate by adopting a fastening screw, the front surface of the base is hinged with a turnover plate by adopting a pin shaft, the wheel shaft of the driven wheel is fixedly connected with the turnover plate, and the other end of the turnover plate is fixedly connected with the base by adopting a connecting screw.
Preferably: an upper cover plate is installed on the top frame body of the frame assembly by adopting a hinge, and a handle is installed on the upper cover plate.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention with the upper cover plate removed;
FIG. 3 is a schematic view of a portion of the chassis assembly and thermoplastic transfer assembly of FIG. 1;
FIG. 4 is a schematic view of the structure of the frame assembly of FIG. 1;
FIG. 5 is a schematic view of the structure of the plurality of thermoplastic transfer blocks, blanking and feeding plate portions of FIG. 1;
FIG. 6 is a schematic view of the structure of the plurality of thermoplastic conveying assemblies of FIG. 1;
FIG. 7 is a schematic view of the thermoplastic transfer assembly of FIG. 1;
FIG. 8 is a schematic view of the upper structure of the thermoplastic transfer assembly of FIG. 7;
FIG. 9 is a schematic view of the lower structure of the thermoplastic transfer assembly of FIG. 7;
fig. 10 is a schematic structural view of the passive wheel assembly of fig. 7.
In the figure:
1. a chassis assembly;
1-1, a case body; 1-2, scram key; 1-3, a speed regulating knob; 1-4, a temperature controller;
2. an upper cover plate;
3. a frame assembly;
3-1, a bottom frame; 3-2, a middle frame; 3-3, a first track in the middle; 3-4, a middle second track; 3-5, a first track at the top; 3-6, a top second track; 3-7, top frame;
4. a feeding plate;
5. a thermoplastic transfer assembly;
5-1, a transmission shaft; 5-2, a driving wheel assembly; 5-3, a lower cooling block; 5-4, upper cooling blocks; 5-5, mounting the plate; 5-6, upper heating block; 5-7, a heat transfer belt; 5-8, a driven wheel assembly; 5-8-1, driven wheel; 5-8-2 parts of pin shafts; 5-8-3, compressing the spring; 5-8-4, connecting screws; 5-8-5, turning over the board; 5-8-6, long threaded rod; 5-8-7, a base; 5-8-8, fastening screws; 5-9, lower heating block; 5-10, lower mounting plate; 5-11, positioning end blocks; 5-12, sliding blocks; 5-13, connecting pieces; 5-14, adjusting spring plates; 5-15, a spring assembly;
6. a blanking plate; 7. a connection terminal; 8. and the cushion blocks have equal length.
Detailed Description
For a further understanding of the invention, its features and advantages, the following examples are set forth in detail:
referring to fig. 1 and 2, the polygonal thermoplastic bag sealing machine of the present invention includes a frame assembly 3, a chassis assembly 1 is installed at one end of the frame assembly 3, a plurality of thermoplastic conveying assemblies 5 are installed in the frame assembly 3 in parallel, a feeding plate 4 is installed at a front portion of a front end of each thermoplastic conveying assembly 5, and a blanking plate 6 is installed at a rear portion of a rear end of each thermoplastic conveying assembly.
The frame component 3 is used as a stand and is used for installing other parts, and is formed by assembling sectional materials and corner fitting assemblies. The case assembly 1 is used for installing components such as a controller and the like and provides a control function of the whole machine. The feeding plate 4 is used for assisting feeding, the blanking plate 6 is used for assisting blanking, as can be seen from fig. 1 and 2, the feeding plate 4 is in a horizontal state, the blanking plate 6 is in an inclined state, both are formed by pressing stainless steel plates, and the stainless steel plates are mounted and fixed on the frame assembly 3 by bolts.
Referring to fig. 3, it can be seen that: the chassis assembly 3 includes a chassis body 1-1, and a driving motor is installed in the chassis body 1-1. The control circuit board of the whole machine is arranged in the case body 1-1, the case body 1-1 is also provided with an emergency stop button 1-2, a speed regulating knob 1-3, a temperature controller 1-4 and necessary switches (such as a start-stop switch, a mode switch and the like), and the emergency stop button 1-2, the speed regulating knob 1-3, the temperature controller 1-4 and the switches are electrically connected with the control circuit board.
Referring to fig. 4, it can be seen that: the frame assembly 3 comprises upright posts positioned at four corners, a bottom frame body 3-1 is arranged between the bottoms of the upright posts, a middle frame body 3-2 is arranged between the middle parts, and a top frame body 3-7 is arranged between the tops. The bottom of the top frame 3-7 is provided with a top first rail 3-5 and a top second rail 3-6, and the top of the middle frame 3-2 is provided with a middle first rail 3-3 and a middle second rail 3-4. In the embodiment, a left top rail beam and a right top rail beam are arranged on the top frame body 3-7, a top first rail 3-5 is arranged on the left top rail beam, and a top second rail 3-6 is arranged on the right top rail beam; the left and right middle track beams are arranged on the middle frame body 3-2, the middle first track 3-3 is arranged on the left middle track beam, and the middle second track 3-4 is arranged on the right middle track beam.
From the figure, in order to increase the structural strength of each track beam, reinforced transverse connecting rods are arranged between the top track beam and the top frame 3-7 and between the middle track beam and the middle frame 3-2, and the track beam and the transverse connecting rods are made of sectional materials and are installed by adopting corner fitting.
Referring to fig. 7 to 9, it can be seen that: the thermoplastic transfer assembly 5 includes an upper mounting plate 5-5 and a lower mounting plate 5-10, both of which are formed from stainless steel plates. The driven wheel assemblies 5-8 are arranged at the head ends of the upper mounting plate 5-5 and the lower mounting plate 5-10, the driving wheel assemblies 5-2 are arranged at the tail ends of the upper mounting plate 5-5 and the lower mounting plate 5-10, and heat transfer belts 5-7 are arranged between the driven wheel 5-8-1 of the upper driven wheel assembly 5-8 and the driving wheel of the driving wheel assembly 5-2 and between the driven wheel 5-8-1 of the lower driven wheel assembly 5-8 and the driving wheel of the driving wheel assembly 5-2.
The driving wheel assembly 5-2 comprises a driving wheel axle seat, and the driving wheel axle seat is fixedly arranged on the upper mounting plate 5-5 or the lower mounting plate 5-10.
Referring to fig. 10, the driven wheel assembly 5-8 includes a base 5-8-7 fixedly connected to the upper mounting plate 5-5 or the lower mounting plate 5-10 by fastening screws 5-8-8, a turnover plate 5-8-5 hinged to the front surface of the base 5-8-7 by a pin 5-8-2, a wheel shaft of the driven wheel 5-8-1 fixedly connected to the turnover plate 5-8-5, and the other end of the turnover plate 5-8-5 fixedly connected to the base 5-8-7 by connecting screws 5-8-4.
Considering that tightness adjustment needs to be performed on the heat transfer belt 5-7, in this embodiment, strip-shaped holes are formed in each of the upper mounting plate 5-5 and the lower mounting plate 5-10, the fastening screw 5-8-8 of the driven wheel assembly 5-8 is located in the strip-shaped hole, and the position of the driven wheel assembly 5-8 on the corresponding mounting plate can be adjusted by loosening or tightening the fastening screw 5-8-8. Further, a transversely penetrating threaded hole is formed in the base 5-8-7, a long threaded rod 5-8-6 with a rotary end at the outer end is arranged in the threaded hole, the end of the mounting plate is bent in an L shape and is provided with a rotary shaft seat, the outer end of the long threaded rod 5-8-6 is positioned in the rotary shaft seat, and therefore when the fastening screw 5-8-8 is loosened, the long threaded rod 5-8-6 is rotated at the outer end, the base 5-8-7 can be adjusted to move inwards or outwards, and tightness adjustment of the heat transfer belt 5-7 is achieved. As can be seen in fig. 10, a compression spring 5-8-3 is provided at the inner end of the long threaded rod 5-8-6 for providing a certain return spring force during adjustment.
The heat transfer belts 5-7 are commercially available products that serve two functions: the belt can be used for belt transmission, and can be used for conducting heat. The heat conduction characteristic depends on the material of the heat transfer belt 5-7, the heat transfer belt 5-7 is not made of heat insulation materials, and other heat conduction materials can meet the heat conduction requirement, namely the temperature of the heat transfer belt 5-7 is increased or decreased under the external heating and cooling actions.
A transmission shaft 5-1 connected with the driving wheels is arranged at the rear parts of the two driving wheel assemblies 5-2, and the transmission shaft 5-1 transmits power for driving the driving wheels to rotate.
An upper heating block 5-6 is installed at the front part below the upper mounting plate 5-5, an upper cooling block 5-4 is installed at the rear part below the upper mounting plate, a lower heating block 5-9 is installed at the front part above the lower mounting plate 5-10, a lower cooling block 5-3 is installed at the rear part below the lower mounting plate, the upper heating block 5-6 corresponds up and down to the lower heating block 5-9 and clamps the lower part of the upper heat transfer belt 5-7 and the upper part of the lower heat transfer belt 5-7 in the middle, and the upper cooling block 5-4 corresponds up and down to the lower cooling block 5-3 and clamps the lower part of the upper heat transfer belt 5-7 and the upper part of the lower heat transfer belt 5-7 in the middle. A certain gap is arranged between the lower part of the upper heat transfer belt 5-7 and the upper part of the lower heat transfer belt 5-7, so that two layers of thermoplastic paper pass through, the thermoplastic film completes plastic package under the action of the upper heating block 5-6 and the lower heating block 5-9, and the thermoplastic film is cooled and molded under the action of the upper cooling block 5-4 and the lower cooling block 5-3. The plurality of thermoplastic transfer members 5 form a plurality of thermoplastic seal marks on the thermoplastic paper during the common transfer of the two-ply thermoplastic paper, followed by a cutting process, and each thermoplastic seal mark is cut in two, so that the apparatus becomes a "multi-sided thermoplastic seal bag machine".
In this embodiment, the upper heating block 5-9, the upper cooling block 5-4, the upper mounting plate 5-5, the lower heating block 5-6, the lower cooling block 5-3, and the lower mounting plate 5-10 are all connected and fixed by adopting L-shaped connecting pieces 5-13, and the connecting pieces 5-13 are made of elastic metal plates, so that the upper heating block 5-9, the upper cooling block 5-4, the lower heating block 5-6, and the lower cooling block 5-3 have the effect of floating elastically up and down.
The left and right sliding blocks 5-12 are arranged on the top of the upper mounting plate 5-5, the two sliding blocks 5-12 are respectively positioned in the top first track 3-5 and the top second track 3-6, the left and right sliding blocks 5-12 are arranged on the bottom of the lower mounting plate 5-10, and the two sliding blocks 5-12 are respectively positioned in the middle first track 3-3 and the middle second track 3-4.
The manner in which each thermoplastic transfer module 5 is mounted can thus be known, see fig. 5 and 6. The transmission shaft 5-1 positioned above the innermost thermoplastic transmission assembly 5 is in butt joint with a motor shaft of a driving motor in the chassis assembly 1 and receives the driving action of the driving motor; the end of the transmission shaft 5-1 of the outer thermoplastic transmission assembly 5 (the flat plug shape of the end of the transmission shaft 5-1 can be seen in fig. 7) is inserted into the insertion hole on the end surface of the driving wheel of the inner thermoplastic transmission assembly 5 (the bar-shaped insertion hole on the end surface of the driving wheel can be seen in fig. 7, and is matched with the plug shape of the transmission shaft 5-1), namely, the driving action is transmitted step by step; each slide 5-12 of the outermost thermoplastic transfer assembly 5 is secured to the track by a positioning end block 5-11.
In this embodiment, the top first rail 3-5, the top second rail 3-6, the middle first rail 3-3 and the middle second rail 3-4 all have a rail groove with a T-shaped cross section, and the slide blocks 5-12 are T-shaped slide blocks and slide into the rail groove from outside to inside.
In this embodiment, the sliders 5-12 of two adjacent thermoplastic conveying assemblies 5 on the same track are provided with equal-length cushion blocks 8 for limiting the transverse position, after the inner thermoplastic conveying assembly 5 is installed, 4 equal-length cushion blocks 8 are adopted to slide into four tracks, and then the outer thermoplastic conveying assembly 5 is installed, so that the transverse distance between the thermoplastic conveying assemblies 5 can be adjusted by adopting equal-length cushion blocks 8 with different specifications, and the adaptation of the specifications of thermoplastic package bags is realized.
In this embodiment, two spring assemblies 5-15 are provided between the upper heating block 5-6, the upper cooling block 5-4 and the upper mounting plate 5-5, and between the lower heating block 5-6, the lower cooling block 5-3 and the lower mounting plate 5-10, respectively. The spring assembly 5-15 comprises a central rod and a spring sleeved outside the central rod, one end of the central rod is fixedly connected with a corresponding heating block or cooling block, the other end of the central rod extends out from a rod hole formed in the upper mounting plate 5-5 or the lower mounting plate 5-10, and a Z-shaped adjusting spring plate 5-14 is arranged at the end part of the central rod. The spring assembly 5-15 is used for setting the initial positions of the upper heating block 5-6, the upper cooling block 5-4, the lower heating block 5-6 and the lower cooling block 5-3, as can be seen from fig. 8, the central rod of the spring assembly 5-15 can be a screw with a locking nut, the height of the heating block or the cooling block can be finely adjusted by rotating the screw and screwing the locking nut, the spring and the adjusting spring plate 5-14 provide certain reset elastic force, the L-shaped connecting piece 5-13 generates adaptive deformation when the height of the heating block or the cooling block changes, and the adjusting spring plate 5-14 and the spring assembly 5-15 are generally not changed and adjusted after the height of the heating block or the cooling block is adjusted.
In the embodiment, the upper heating block 5-9, the lower heating block 5-6, the upper cooling block 5-4 and the lower cooling block 5-3 are all made of metal materials; the upper heating block 5-9 and the lower heating block 5-6 are internally provided with electric heating bodies, and the blocks of the upper cooling block 5-4 and the lower cooling block 5-3 are provided with transverse through cooling air holes, namely, the electric heating mode is adopted for heating and temperature rising, and the air cooling mode is adopted for cooling.
In this embodiment, in order to better control the thermoplastic temperature, temperature sensors are installed inside both the upper heating block 5-9 and the lower heating block 5-6, and the temperature sensors are electrically connected with the temperature controllers 1-4. The temperature sensor and the temperature controller 1-4 form closed loop control to realize the accurate control of the thermoplastic sealing temperature. Referring to fig. 5, a plurality of connection terminals 7 are provided on the top rail beam for electrically connecting elements such as temperature sensors, electric heating bodies, etc. with the temperature controllers 1-4.
In this embodiment, the upper cover plate 2 is hinged to the top frame body 3-7 of the frame assembly 3, and a handle is mounted on the upper cover plate 2 to facilitate opening.
The working process comprises the following steps:
setting the distance between the thermoplastic conveying components 5 according to the specification of the packaging bag, and starting the equipment after the assembly is completed; the thermoplastic films of two thermoplastic papers are adhered on one side, then are fed from a feeding plate 4 between upper and lower heat transfer belts 5-7 of each thermoplastic transfer assembly 5, the thermoplastic papers are sucked and transferred transversely, the thermoplastic films are fused while passing through upper and lower heating blocks of the thermoplastic transfer assembly 5, and are rapidly cooled while passing through upper and lower cooling blocks, and finally the thermoplastic papers after polygonal thermoplastic sealing fall from a blanking plate 6.
Claims (5)
1. A polygonal thermoplastic sealing bag making machine is characterized in that: the automatic feeding machine comprises a frame assembly (3), wherein a machine box assembly (1) is installed at one end of the frame assembly (3), a plurality of thermoplastic conveying assemblies (5) which are arranged in parallel are installed in the frame assembly (3), a feeding plate (4) is installed at the front part of the head end of each thermoplastic conveying assembly (5), and a blanking plate (6) is installed at the rear part of the tail end of each thermoplastic conveying assembly;
the case assembly (1) comprises a case body (1-1), and a driving motor is arranged in the case body (1-1);
the frame assembly (3) comprises upright posts positioned at four corners, a bottom frame body (3-1) is arranged between the bottoms of the upright posts, a middle frame body (3-2) is arranged between the middle parts, and a top frame body (3-7) is arranged between the tops; a top first rail (3-5) and a top second rail (3-6) are arranged at the bottom of the top frame body (3-7), and a middle first rail (3-3) and a middle second rail (3-4) are arranged at the top of the middle frame body (3-2);
the thermoplastic conveying assembly (5) comprises an upper mounting plate (5-5) and a lower mounting plate (5-10); the head ends of the upper mounting plate (5-5) and the lower mounting plate (5-10) are provided with driven wheel assemblies (5-8), the tail ends are provided with driving wheel assemblies (5-2), and heat transfer belts (5-7) are arranged between the driven wheels (5-8-1) of the upper driven wheel assemblies (5-8) and the driving wheels of the driving wheel assemblies (5-2) and between the driven wheels (5-8-1) of the lower driven wheel assemblies (5-8) and the driving wheels of the driving wheel assemblies (5-2); the rear parts of the two driving wheel assemblies (5-2) are respectively provided with a transmission shaft (5-1) connected with the driving wheels; an upper heating block (5-6) is arranged at the front part below the upper mounting plate (5-5), an upper cooling block (5-4) is arranged at the rear part below the upper mounting plate, a lower heating block (5-9) is arranged at the front part above the lower mounting plate (5-10), a lower cooling block (5-3) is arranged at the rear part below the lower mounting plate, the upper heating block (5-6) corresponds to the lower heating block (5-9) up and down and clamps the lower part of the upper heat transfer belt (5-7) and the upper part of the lower heat transfer belt (5-7) in the middle, and the upper cooling block (5-4) corresponds to the lower cooling block (5-3) up and down and clamps the lower part of the upper heat transfer belt (5-7) and the upper part of the lower heat transfer belt (5-7) in the middle; the top of the upper mounting plate (5-5) is provided with a left slider (5-12) and a right slider (5-12), the two sliders (5-12) are respectively positioned in a top first track (3-5) and a top second track (3-6), the bottom of the lower mounting plate (5-10) is provided with the left slider and the right slider (5-12), and the two sliders (5-12) are respectively positioned in a middle first track (3-3) and a middle second track (3-4);
the transmission shaft (5-1) of the innermost thermoplastic transmission assembly (5) positioned above is in butt joint with the motor shaft of the driving motor; the end part of a transmission shaft (5-1) of the outer thermoplastic transmission assembly (5) is inserted into an insertion hole on the end surface of a driving wheel of the inner thermoplastic transmission assembly (5); each sliding block (5-12) of the outermost thermoplastic conveying assembly (5) is fixed with the track by adopting a positioning end block (5-11);
the upper heating block (5-6), the upper cooling block (5-4) and the upper mounting plate (5-5) and the lower heating block (5-9), the lower cooling block (5-3) and the lower mounting plate (5-10) are connected and fixed by adopting L-shaped connecting pieces (5-13);
two spring assemblies (5-15) are respectively arranged between the upper heating block (5-6) and the upper cooling block (5-4) and the upper mounting plate (5-5) and between the lower heating block (5-9) and the lower cooling block (5-3) and the lower mounting plate (5-10); the spring assembly (5-15) comprises a central rod and a spring sleeved outside the central rod, one end of the central rod is fixedly connected with a corresponding heating block or cooling block, the other end of the central rod extends out from a rod hole formed in the upper mounting plate (5-5) or the lower mounting plate (5-10), and a Z-shaped adjusting spring plate (5-14) is arranged at the end part of the central rod;
the left and right top rail beams are arranged on the top frame body (3-7), the top first rail (3-5) is arranged on the left top rail beam, and the top second rail is arranged on the right top rail beam; a left middle rail beam and a right middle rail beam are arranged on the middle frame body (3-2), a middle first rail (3-3) is arranged on the middle rail beam on the left side, and a middle second rail (3-4) is arranged on the middle rail beam on the right side;
the top first rail (3-5), the top second rail (3-6), the middle first rail (3-3) and the middle second rail (3-4) are provided with rail grooves with T-shaped cross sections, and the sliding blocks (5-12) are T-shaped sliding blocks;
equal-length cushion blocks (8) used for limiting the transverse position are arranged between the sliding blocks (5-12) of two adjacent thermoplastic conveying assemblies (5) on the same track.
2. A multi-sided thermoplastic bag machine as defined in claim 1, wherein: the upper heating block (5-6), the lower heating block (5-9), the upper cooling block (5-4) and the lower cooling block (5-3) are all made of metal materials; the electric heating bodies are arranged in the upper heating block (5-6) and the lower heating block (5-9), and the blocks of the upper cooling block (5-4) and the lower cooling block (5-3) are provided with transverse through cooling air holes.
3. A multi-sided thermoplastic bag machine as defined in claim 2, wherein: a temperature controller (1-4) is further arranged on a case body (1-1) of the case assembly (1), temperature sensors are arranged in the upper heating block (5-6) and the lower heating block (5-9), and the temperature sensors are electrically connected with the temperature controller (1-4).
4. A multi-sided thermoplastic bag machine as defined in claim 1, wherein: the driven wheel assembly (5-8) comprises a base (5-8-7) which is fixedly connected with an upper mounting plate (5-5) or a lower mounting plate (5-10) by adopting a fastening screw (5-8-8), a turnover plate (5-8-5) is hinged on the front surface of the base (5-8-7) by adopting a pin roll (5-8-2), a wheel shaft of the driven wheel (5-8-1) is fixedly connected with the turnover plate (5-8-5), and the other end of the turnover plate (5-8-5) is fixedly connected with the base (5-8-7) by adopting a connecting screw (5-8-4).
5. A multi-sided thermoplastic bag machine as defined in claim 1, wherein: an upper cover plate (2) is arranged on the top frame body (3-7) of the frame assembly (3) by adopting a hinge, and a handle is arranged on the upper cover plate (2).
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| CN201811264157.XA CN109080221B (en) | 2018-10-29 | 2018-10-29 | Polygonal thermoplastic sealing bag making machine |
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| CN201811264157.XA CN109080221B (en) | 2018-10-29 | 2018-10-29 | Polygonal thermoplastic sealing bag making machine |
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| CN110682485A (en) * | 2019-11-06 | 2020-01-14 | 安徽百盛源包装材料有限公司 | Cooling device is used in plastic packaging material production |
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