A high-speed production device for self-standing bags

Abstract

The utility model discloses a kind of self-standing bag high-speed production device, which belongs to the technical field of self-standing bag production. It mainly includes mounting bracket, positioning support base is fixedly installed in mounting bracket middle part, the top of mounting bracket is fixedly connected with top frame, reciprocating mechanism is fixedly arranged on top frame, lifting assembly is slidably connected on sliding hole, friction block is fixedly installed on the top of lifting assembly, opening is fixedly arranged in the middle of the bottom of lifting assembly, limit cylinder is slidably contacted on opening, sliding cavity is fixedly arranged on the both sides of opening, extrusion rod is slidably arranged in sliding cavity, cutting plate is slidably connected on the bottom of lifting assembly. The utility model changes the relative position of adjusting cam two and adjusting cam one by setting reciprocating mechanism, so as to adjust the duration of self-standing bag heat sealing operation, so as to cope with self-standing bag of different thickness material. The utility model is mainly used for heat sealing and cutting operation of self-standing bag.

Description

Technical Field

[0001] This utility model belongs to the field of stand-up pouch production technology, and more specifically, it relates to a high-speed stand-up pouch production device. Background Technology

[0002] The high-speed stand-up pouch production line is a core piece of equipment for the mass and efficient manufacture of stand-up pouches (flexible packaging with self-standing function, commonly used in the food and daily chemical industries). Its core is to achieve full automation of the entire process of "substrate lamination → molding → sealing → cutting → inspection" through multi-station continuous operation.

[0003] Chinese patent publication number "CN214354532U" discloses a high-speed production device for stand-up pouches, including a production base. A support frame is fixedly connected to the top of the production base, and a motor is fixedly connected to the top of the support frame. A reciprocating component is fixedly connected to the output end of the motor. By running the motor, the reciprocating component can be driven, and the reciprocating component, in conjunction with a reciprocating spring, can perform a reciprocating motion of the lifting plate. When the transmission belt drives the stand-up pouches at a constant speed, the heat-sealing device at the bottom of the mounting base can move up and down to achieve a heat-sealing effect on the stand-up pouches. In addition, it works with a cutting blade to cut the stand-up pouches, enabling the device to achieve rapid thermoplastic sealing of the stand-up pouches and increasing the production efficiency of stand-up pouches.

[0004] In later use, the device also has the following problems: heat sealing must be strictly controlled in terms of pressure and time, and adjusted according to different materials and thicknesses. If the adjustment parameters are not correct, it will lead to sealing failure, cutting deviation and other problems. However, the device cannot adjust the heat sealing pressure, time and cutting blade position, has a limited range of applications and high operating costs. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a high-speed production device for stand-up pouches. By setting a reciprocating mechanism, the duration of heat sealing operation on stand-up pouches can be adjusted by changing the relative position of adjusting cam two and adjusting cam one, so as to cope with stand-up pouches of different thicknesses.

[0006] The self-standing bag high-speed production device includes a mounting frame, a conveying device mounted on the mounting frame, a positioning support base fixedly mounted in the middle of the mounting frame, a top frame fixedly connected to the top of the mounting frame, a sliding hole fixedly opened on the top frame, a reciprocating mechanism fixedly mounted on the top frame, the reciprocating mechanism including a drive motor, the drive motor fixedly connected to the mounting frame, a rotating shaft fixedly connected to the output shaft of the drive motor, an adjusting cam two slidingly contacting the rotating shaft, a fixed frame rotatably connected to the other end of the rotating shaft, a lifting assembly slidably connected to the sliding hole, a friction block fixedly mounted on the top of the lifting assembly, a compression spring two fixedly connected to the upper part of the lifting assembly, the other end of the compression spring two fixedly connected to the top frame, an opening fixedly opened in the middle of the bottom of the lifting assembly, a limit cylinder slidingly contacting the opening, sliding cavities fixedly provided on both sides of the opening, extrusion rods slidingly arranged in the sliding cavities, and a cutting plate slidably connected to the bottom of the lifting assembly.

[0007] Preferably, an adjusting cam is fixedly connected to the rotating shaft, and multiple sets of adjusting through holes are fixedly opened on the adjusting cam. A retaining ring is also fixedly connected to the rotating shaft, and a compression spring is fixedly connected to the front of the retaining ring. The other end of the compression spring slides in contact with the adjusting cam. Multiple sets of adjusting protrusions are fixedly connected to the front side wall of the adjusting cam, and the adjusting protrusions cooperate with the adjusting through holes.

[0008] Preferably, the extrusion rod includes a vertical locking block, on which locking teeth and an extrusion top block are fixedly provided. A compression spring three is fixedly connected to the rear of the vertical locking block, and a transverse locking block is fixedly connected to the other end of the compression spring three. Both the vertical locking block and the transverse locking block are slidably connected to the sliding cavity.

[0009] Preferably, a limiting plate is fixedly provided at the top of the limiting cylinder, an avoidance groove is fixedly provided in the middle of the limiting cylinder, a sliding surface and a toothed surface are fixedly provided on the bottom outer wall of the limiting cylinder, a limiting groove is fixedly provided on the toothed surface, a cylinder cavity is fixedly provided inside the limiting cylinder, a compression spring four is fixedly connected inside the cylinder cavity, and a heat sealing device is fixedly connected to the other end of the compression spring four, with the top of the heat sealing device slidably connected to the inner wall of the cylinder cavity.

[0010] Preferably, a toothed assembly is fixedly provided on the top sidewall of the cutting plate, an avoidance hole is fixedly provided in the middle of the cutting plate, and a cutting blade is fixedly connected to the bottom of the cutting plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting up a reciprocating mechanism, the duration of heat sealing of stand-up pouches can be adjusted by changing the relative position of adjusting cam two and adjusting cam one, so as to cope with stand-up pouches of different thicknesses; 2. By setting up extrusion rods, the relative positions of the limiting cylinder, cutting plate and lifting assembly can be unlocked or limited and fixed, thereby flexibly adjusting the pressure applied during heat sealing and the distance between the heat sealing device and the cutter, so as to process different stand-up pouches. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural diagram of the mounting frame and conveying device; Figure 3 This is a schematic diagram of the reciprocating mechanism; Figure 4 An exploded view of the structure of the adjusting cam; Figure 5 A structural schematic diagram of the lifting assembly, cutting plate, and limiting cylinder; Figure 6 This is a schematic diagram of the internal structure of the lifting assembly; Figure 7 This is a structural schematic diagram of the extrusion rod; Figure 8 This is a schematic diagram of the internal structure of the extrusion rod; Figure 9 This is a schematic diagram of the limiting cylinder and the heat sealing device. Figure 10 This is a schematic diagram of the internal structure of the limiting cylinder; Figure 11 This is a schematic diagram of the cutting plate.

[0013] In the diagram, 1. Mounting bracket; 101. Top frame; 102. Conveying device; 103. Positioning support base; 104. Sliding hole; 2. Reciprocating mechanism; 201. Drive motor; 202. Rotating shaft; 202A. Adjusting cam one; 202B. Adjusting through hole; 202C. Retaining ring; 203. Compression spring one; 204. Adjusting cam two; 204A. Adjusting protrusion; 205. Fixing frame; 3. Lifting assembly; 301. Friction block; 302. Compression spring two; 303. 1. Opening; 304. Sliding cavity; 4. Extrusion rod; 401. Vertical locking block; 401A. Locking tooth; 401B. Extrusion top block; 402. Compression spring three; 403. Horizontal locking block; 5. Limiting cylinder; 501. Limiting plate; 502. Clearance groove; 503. Sliding surface; 504. Tooth groove surface; 504A. Limiting groove; 505. Cylinder cavity; 6. Cutting plate; 601. Clearance hole; 602. Tooth assembly; 603. Cutting knife; 7. Compression spring four; 8. Heat sealing device. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings: The directional terms used in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application based on the visual orientation shown in the accompanying drawings. Unless otherwise expressly specified and limited, the terms "setting," "installation," "connection," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0015] like Figure 1 , Figure 2 , Figure 5 As shown, a high-speed production device for stand-up pouches includes a mounting frame 1, on which a conveyor 102 is mounted. The conveyor 102 is driven by a drive motor 201, which drives a conveyor belt to continuously transport the stand-up pouches to be heat-sealed. A positioning support base 103 is fixedly mounted in the middle of the mounting frame 1, which supports the stand-up pouches during heat sealing and cutting operations. A top frame 101 is fixedly connected to the top of the mounting frame 1. A sliding hole 104 is fixedly opened on the top frame 101, and a reciprocating mechanism 2 is fixedly mounted on the top frame 101. The reciprocating mechanism 2 includes a drive motor 201. The drive motor 201 is fixedly connected to the mounting bracket 1, and the output shaft of the drive motor 201 is fixedly connected to the rotating shaft 202. The rotating shaft 202 has a sliding contact with the adjusting cam 204. The other end of the rotating shaft 202 is rotatably connected to the fixing bracket 205, which supports the other end of the rotating shaft 202 to ensure the stability of the reciprocating hook after it starts to rotate. By setting the reciprocating mechanism 2, the relative position of the adjusting cam 204 and the adjusting cam 202A can be changed to adjust the duration of the heat sealing operation of the stand-up pouch, so as to cope with stand-up pouches of different thicknesses. The lifting component 3 is slidably connected to the sliding hole 104.

[0016] like Figure 6 As shown, a friction block 301 is fixedly installed on the top of the lifting assembly 3. The friction block 301 is preferably made of engineering plastic, which has good self-lubricating properties, low cost, and is suitable for light load, low speed, and oil-free working conditions. A compression spring 302 is fixedly connected to the upper part of the lifting assembly 3. The other end of the compression spring 302 is fixedly connected to the top frame 101. Under the push of the compression spring 302, the lifting assembly 3 maintains contact with the outer edge of the adjusting cam and is reciprocated by the adjusting cam, which pushes the cutter 603 and the heat sealing device 8 to perform operations. An opening 303 is fixedly opened in the middle of the bottom of the lifting assembly 3. A limit cylinder 5 slides in contact with the opening 303. Sliding cavities 304 are fixed on both sides of the opening 303. A squeezing rod 4 slides in the sliding cavity 304. By setting the squeezing rod 4, the relative position of the limit cylinder 5, the cutting plate 6 and the lifting assembly 3 can be unlocked or limited and fixed, thereby flexibly adjusting the pressure applied by the heat sealing operation and the distance between the heat sealing device 8 and the cutter 603, so as to process different stand-up pouches. The bottom of the lifting assembly 3 is slidably connected to a cutting plate 6.

[0017] like Figure 3 and Figure 4 As shown, an adjusting cam 202A is fixedly connected to the rotating shaft 202. Multiple adjusting through holes 202B are fixedly opened on the adjusting cam 202A. A retaining ring 202C is also fixedly connected to the rotating shaft 202. A compression spring 203 is fixedly connected to the front of the retaining ring 202C. The retaining ring 202C supports one end of the compression spring 203. The other end of the compression spring 203 slides in contact with the adjusting cam 204. Multiple adjusting protrusions 204A are fixedly connected to the front side wall of the adjusting cam 204. The adjusting protrusions 204A cooperate with the adjusting through holes 202B.

[0018] Driven by the compression spring 203, the adjusting cam 204 slides forward along the rotating shaft 202, making the adjusting cam 204 contact the adjusting cam 202A. The adjusting cam 204 and the adjusting cam 202A are circumferentially fixed by inserting the adjusting protrusion 204A into the adjusting through hole 202B. The adjusting cam 204 and the adjusting cam 202A work together to push the lifting component 3 back and forth. When it is necessary to adjust the duration of each heat sealing, the two sets of adjusting cams are first separated and their relative positions are adjusted. For example, if it is necessary to increase the pressing time of each heat sealing, the two sets of adjusting cams need to be staggered so that the elevations of the two sets of cams are staggered and continued, thus increasing the time of the maximum push of the lifting component 3, which can increase the pressing time of the heat sealing. Conversely, the two sets of adjusting cams are merged.

[0019] like Figure 7 and Figure 8 As shown, the extrusion rod 4 includes a vertical locking block 401, on which locking teeth 401A and an extrusion top block 401B are fixedly mounted. A compression spring 3 402 is fixedly connected to the rear of the vertical locking block 401, and a transverse locking block 403 is fixedly connected to the other end of the compression spring 3 402. Both the vertical locking block 401 and the transverse locking block 403 are slidably connected to the sliding cavity 304. Figure 8 As can be seen, the horizontal locking block 403 extends inward with a limiting cylinder, and the vertical locking block 401 has a cavity. Under the limiting cylinder and the cavity, the horizontal locking block 403 and the vertical locking block 401 can be prevented from extending too far to both sides under the push of the compression spring 402, and continuously contacting and squeezing the limiting cylinder 5 and the cutting plate 6. By limiting the maximum distance between the two, when the squeezing rod 4 is aligned with the relief groove 502, the squeezing rod 4 can lose the squeezing of the limiting cylinder 5 and the cutting plate 6, and the positions of the two can be adjusted at will. If the squeezing force still exists, the small friction force will also make it difficult to adjust the positions of the two.

[0020] Under the push of the compression spring 402: 1. The vertical locking block 401 extends inward, and the locking tooth 401A engages with the tooth groove surface 504, locking the axial displacement of the limiting cylinder 5 and the lifting assembly 3, thereby ensuring the heat sealing pressure is fixed; 2. The pressing top block 401B is inserted into the limiting groove 504A to limit the circumferential rotation of the limiting cylinder 5 and the lifting assembly 3, preventing the two from rotating arbitrarily and causing the axial locking to fail; 3. The horizontal locking block 403 contacts and limits the tooth assembly 602, restricting and fixing the relative position of the cutting plate 6 and the lifting assembly 3, thereby ensuring the fixed distance between the cutter 603 and the heat sealing device 8.

[0021] like Figure 9 and Figure 10 As shown, a limiting plate 501 is fixedly provided at the top of the limiting cylinder 5. When the limiting plate 501 descends to contact the lifting assembly 3, the clearance groove 502 is aligned with the extrusion rod 4, so that the extrusion rod 4 loses the extrusion force on the cutting plate 6. A clearance groove 502 is fixedly provided in the middle of the limiting cylinder 5. A sliding surface 503 and a toothed surface 504 are fixedly provided on the bottom outer wall of the limiting cylinder. A limiting groove 504A is fixedly provided on the toothed surface 504. A cylinder cavity 505 is fixedly provided inside the limiting cylinder 5. A compression spring 7 is fixedly connected inside the cylinder cavity 505. A heat sealing device 8 is fixedly connected to the other end of the compression spring 7. The top of the heat sealing device 8 is slidably connected to the inner wall of the cylinder cavity 505.

[0022] When the limiting cylinder 5 drives the heat sealing device 8 to adjust the height, if the height is reduced, the lifting component 3 continues to press down the same distance under the push of the reciprocating mechanism 2. At this time, the limiting cylinder 5 can get closer to the stand-up pouch that needs to be heat-sealed, the compression stroke of the pressure spring 7 is greater, and the heat sealing pressure on the stand-up pouch is also greater, and vice versa.

[0023] When the sliding surface 503 contacts the vertical locking block 401, the contact between the two is a line contact with low friction, which makes it easy to adjust the height of the limiting cylinder 5 relative to the lifting component 3. When the toothed surface 504 contacts the vertical locking block 401, they engage with each other to limit the height of the limiting cylinder 5.

[0024] like Figure 11 As shown, a toothed assembly 602 is fixedly installed on the top side wall of the cutting plate 6. The cross-section of the toothed assembly 602 is trapezoidal. When the extrusion rod assembly loses its extrusion on the toothed assembly 602, pushing the cutting plate 6 with force will utilize the inclined side of the trapezoid to push the extrusion rod assembly in the opposite direction, causing the extrusion rod assembly to disengage from the toothed assembly 602, thus completing the adjustment of the position of the cutting plate 6. An clearance hole 601 is fixedly opened in the middle of the cutting plate 6, and a cutter 603 is fixedly connected to the bottom of the cutting plate 6.

[0025] This invention adjusts the duration of heat sealing for stand-up pouches by setting a reciprocating mechanism 2 and changing the relative position of adjusting cam 204 and adjusting cam 202A, thus accommodating stand-up pouches of different thicknesses. By setting a squeezing rod 4, the relative positions of the limiting cylinder 5, the cutting plate 6, and the lifting assembly 3 can be unlocked or limited, thereby flexibly adjusting the pressure applied during heat sealing and the distance between the heat sealing device 8 and the cutter 603 to process different stand-up pouches.

Claims

1. A high-speed production device for stand-up pouches, comprising a mounting frame, a conveying device mounted on the mounting frame, and a positioning support base fixedly mounted in the middle of the mounting frame, characterized in that: The mounting frame is fixedly connected to the top of the mounting bracket. A sliding hole is fixedly opened on the top bracket. A reciprocating mechanism is fixedly installed on the top bracket. The reciprocating mechanism includes a drive motor, which is fixedly connected to the mounting bracket. The output shaft of the drive motor is fixedly connected to a rotating shaft. An adjusting cam 2 is slidably contacted on the rotating shaft. A fixed frame is rotatably connected to the other end of the rotating shaft. A lifting assembly is slidably connected to the sliding hole. A friction block is fixedly installed on the top of the lifting assembly. A compression spring 2 is fixedly connected to the upper part of the lifting assembly. The other end of the compression spring 2 is fixedly connected to the top bracket. An opening is fixedly opened in the middle of the bottom of the lifting assembly. A limit cylinder is slidably contacted on the opening. Sliding cavities are fixed on both sides of the opening. A pressing rod is slidably installed in the sliding cavity. A cutting plate is slidably connected to the bottom of the lifting assembly.

2. The high-speed production device for stand-up pouches according to claim 1, characterized in that: An adjusting cam is fixedly connected to the rotating shaft. Multiple sets of adjusting through holes are fixedly opened on the adjusting cam. A retaining ring is also fixedly connected to the rotating shaft. A compression spring is fixedly connected to the front of the retaining ring. The other end of the compression spring slides in contact with the adjusting cam. Multiple sets of adjusting protrusions are fixedly connected to the front side wall of the adjusting cam. The adjusting protrusions cooperate with the adjusting through holes.

3. The high-speed production device for stand-up pouches according to claim 1, characterized in that: The extrusion rod includes a vertical locking block, on which locking teeth and an extrusion top block are fixedly provided. A compression spring three is fixedly connected to the rear of the vertical locking block, and a transverse locking block is fixedly connected to the other end of the compression spring three. Both the vertical locking block and the transverse locking block are slidably connected to the sliding cavity.

4. The high-speed production device for stand-up pouches according to claim 1, characterized in that: The limiting cylinder is fixedly provided with a limiting plate at the top, and a clearance groove is fixedly provided in the middle of the limiting cylinder. The bottom outer wall of the limiting cylinder is fixedly provided with a sliding surface and a toothed surface. A limiting groove is fixedly provided on the toothed surface. A cylinder cavity is fixedly provided inside the limiting cylinder. A compression spring four is fixedly connected inside the cylinder cavity. A heat sealing device is fixedly connected to the other end of the compression spring four. The top of the heat sealing device is slidably connected to the inner wall of the cylinder cavity.

5. The high-speed production device for stand-up pouches according to claim 1, characterized in that: The cutting plate has a toothed assembly fixedly installed on its top sidewall, an clearance hole fixedly opened in the middle of the cutting plate, and a cutting blade fixedly connected to the bottom of the cutting plate.

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