An injection-molded bottle body collection and stacking system

Abstract

The present invention provides an injection-molded bottle body collection and stacking system, which mainly relates to the field of automatic packaging. An injection-molded bottle body collection and stacking system includes a conveyor line. A carrier is arranged at the end of the conveyor line. A carrier plate is arranged on the top of the carrier. A progressive driving mechanism is installed on the carrier. A positioning platform is arranged on one side of the carrier plate. A positioning cylinder and a pushing cylinder are arranged on the positioning platform. A feeding device is arranged on one side of the positioning platform. A handling frame is arranged above the carrier. A transverse movement mechanism is arranged on the handling frame. A lifting mechanism is arranged at the bottom of the transverse movement mechanism. A clamping frame is arranged at the bottom of the lifting mechanism. An embedding ring is rotatably arranged at one end of the clamping frame. An insertion bolt is slidably arranged in the embedding ring. A servo motor for driving the embedding ring to rotate is arranged on the clamping frame. The beneficial effects of the present invention are as follows: The present invention can automatically pack the bottle bodies. The packing process is clean and efficient, and the rejection rate and defect rate during transportation are avoided.

Description

Technical Field

[0001] The present invention mainly relates to the field of cleaning equipment, and specifically, it is an injection molded bottle collection and stacking system. Background Art

[0002] The manufacturing processes of plastic bottles mainly include injection molding and blow molding. Among them, blow molding uses the method of blowing air into a hollow to assist in forming, and it is generally applicable to rotatable plastic bottles with relatively uniform texture. Injection molding uses the method of applying pressure and injection for forming. Currently, injection molding is mainly used to produce bottles with thicker walls and irregular shapes, such as bottles for laundry detergent and dishwashing liquid. After these bottles are processed, they usually go through cleaning and trimming processes and then are packed and shipped. The current shipping method is mainly in a scattered state, and the bottles are simply concentrated and put into bags and loaded onto a vehicle. However, this transportation method causes damage to the surface quality of the bottles because the defect rate during transportation is relatively high, and the bottles shipped to customers need to be selected or even cleaned again, which greatly wastes the subsequent filling efficiency. Therefore, in response to the needs of downstream customers, it has become a common choice for both parties to regularize these injection molded bottles before shipping. However, manual packing has low efficiency and is prone to secondary pollution problems, which increases costs in our upstream links and reduces the price competitiveness of the products. Summary of the Invention

[0003] To solve the deficiencies of the prior art, the present invention provides an injection molded bottle collection and stacking system, which can perform automatic packing of bottles. The packing process is clean and efficient, and it avoids the waste rate and defect rate during transportation.

[0004] To achieve the above object, the present invention is realized through the following technical solutions:

[0005] An injection molded bottle collection and stacking system, including a conveyor line for single-row conveying of bottles. A carrier frame is provided at the end of the conveyor line. A carrier plate is provided on the top of the carrier frame. A progressive driving mechanism is installed on the carrier frame, and the progressive driving mechanism is used to drive the carrier plate to step forward. A positioning platform is provided on one side of the carrier plate. A positioning cylinder and a pushing cylinder are provided on the positioning platform. A feeding device is provided on one side of the positioning platform. A pushing-away conveyor belt is provided on the side of the positioning platform opposite to the pushing cylinder. A handling frame is provided above the carrier frame. A transverse movement mechanism is provided on the handling frame. A lifting mechanism is provided at the bottom of the transverse movement mechanism. A clamping frame is provided at the bottom of the lifting mechanism. A clamping synchronous belt mechanism is provided on the clamping frame. An embedding ring is rotatably provided at one end of the clamping frame. An insertion bolt is slidably provided in the embedding ring. The clamping synchronous belt mechanism is used to drive the insertion bolt to run linearly. A servo motor for driving the embedding ring to rotate is provided on the clamping frame. The positioning platform is used to place a carrier frame. Symmetrical notches are provided on both sides of the carrier frame, and the notches are adapted to the insertion bolts.

[0006] A number of partition plates are arranged on the top surface of the bearing plate, and the widths of two adjacent partition plates are the same as the width of the bottle body.

[0007] Two positioning cylinders are provided. The two positioning cylinders are respectively located on the adjacent outer sides and one side of the end of the positioning platform. A baffle is arranged inside the positioning platform, a lifting plate is arranged at the front end of the positioning platform, and the pushing cylinder is arranged above the positioning cylinder at the end.

[0008] The transverse movement mechanism includes a transverse movement track, a transverse movement synchronous belt mechanism and a transverse movement seat arranged at the bottom of the handling rack. The transverse movement track is perpendicular to the running direction of the bearing rack. The transverse movement synchronous belt mechanism is arranged on the transverse movement track. The transverse movement seat is slidably arranged on the transverse movement track, and the transverse movement synchronous belt mechanism is used to drive the transverse movement seat to reciprocate linearly along the transverse movement track.

[0009] The lifting mechanism includes a lifting frame. A lifting slide rail and a lifting lead screw are vertically arranged on the lifting frame. A lifting motor is arranged at the top of the lifting frame. The lifting motor is used to drive the lifting lead screw. A lifting seat is slidably arranged on the lifting frame. A lead screw nut matched with the lifting lead screw is arranged on the back of the lifting seat, and the clamping frame is arranged on the lifting seat.

[0010] The cross section of the insertion bolt is elliptical.

[0011] A turntable is rotatably arranged at the end of the insertion bolt. A connecting seat is arranged on the synchronous belt of the clamping synchronous belt mechanism. A horizontal "L"-shaped connecting rod is arranged on the connecting seat, and the connecting rod is connected with the turntable.

[0012] A positioning plate is arranged at the other end of the clamping frame, and an insertion groove corresponding to the insertion bolt is formed on the positioning plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The present invention changes the original transportation mode of stacking and loading injection-molded bottle bodies. The bottle bodies are palletized and stacked in the box, so that the bottle bodies can be neatly palletized and stored temporarily, avoiding collision and friction between each other, and reducing the loss during transportation. Moreover, this transportation mode makes the transportation environment cleaner. After being cleaned once before leaving the factory, there will be no excessive secondary pollution during transportation, and it can be directly filled and used at the customer's place without secondary cleaning, reducing the customer's use cost.

[0015] This device utilizes the characteristics of the handle holes of injection-molded bottle bodies such as laundry detergent and dishwashing liquid. By matching the rotating insertion bolt with the handle hole, non-clamping bottle body grasping can be carried out, and the bottle body will not be deformed during the grasping process. This automatic grasping form has a more concise structure, can complete the stable grasping and transfer of the bottle body, and improves the palletizing and boxing efficiency. Brief Description of the Drawings

[0016] Fig. Figure 1 is a schematic structural view of the present invention;

[0017] Fig. Figure 2 is a schematic structural view of the conveyor line and the carrier frame part of the present invention;

[0018] Fig. Figure 3 is a schematic structural view of the bottle arrangement state of the present invention;

[0019] Fig. Figure 4 is a schematic structural view of the lifting mechanism and the clamping mechanism of the present invention;

[0020] Fig. Figure 5 is a schematic structural view of the positioning platform of the present invention;

[0021] Fig. Figure 6 is a schematic structural view of the clamping mechanism of the present invention;

[0022] Fig. Figure 7 is a schematic structural view of the carrier frame of the present invention.

[0023] Reference numerals shown in the drawings: 1, conveyor line; 2, carrier frame; 21, carrier plate; 22, progressive driving device; 23, partition; 3, positioning platform; 31, positioning cylinder; 32, pushing cylinder; 33, baffle; 34, lifting plate; 4, feeding device; 5, pushing conveyor belt; 6, handling frame; 7, transverse movement mechanism; 71, transverse movement track; 72, transverse movement synchronous belt mechanism; 73, transverse movement seat; 8, lifting mechanism; 81, lifting frame; 82, lifting slide rail; 83, lifting lead screw; 84, lifting motor; 85, lifting seat; 9, clamping frame; 91, clamping synchronous belt mechanism; 92, embedding ring; 93, insertion bolt; 94, servo motor; 95, turntable; 96, connecting rod; 97, positioning plate; 98, insertion slot; 10, carrier frame; 101, notch. Detailed Description of the Invention

[0024] The present invention will be further described in conjunction with the drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by this application.

[0025] As Figure 1-7As shown in the figure, for an injection-molded bottle body collection and stacking system according to the present invention, the moving components within the system are all controlled by a controller. The system includes a conveyor line 1, which is connected to the trimming process. The conveyor line 1 conveys the bottle bodies in a single row. The bottle bodies are conveyed in a specific direction on the conveyor line 1 and are arranged on the subsequent carrier 2, facilitating subsequent automated clamping and stacking.

[0026] The end of the conveyor line 1 is provided with a carrier 2. A carrier plate 21 is installed on the top of the carrier 2. A progressive driving mechanism 22 is installed on the carrier 2. The progressive driving mechanism 22 is used to drive the carrier plate 21 to step forward. The running direction of the carrier plate 21 is perpendicular to the running direction of the conveyor line 1. Each step of the carrier plate 21 is the position of one bottle body, so as to progressively convey the bottle bodies on the conveyor line 1 to the carrier 2 for arrangement. Specifically, the progressive driving mechanism 22 includes a progressive slide rail and a progressive lead screw. The progressive slide rail is horizontally connected to the top of the carrier 2. The carrier plate 21 is slidably connected to the progressive slide rail. The progressive lead screw is arranged between the progressive slide rails. A lead screw nut matching the progressive lead screw is installed at the bottom of the carrier plate 21. One end of the progressive lead screw is provided with a stepping motor, and the motor shaft of the stepping motor is connected to the progressive lead screw through a coupling. By driving the progressive lead screw with the stepping motor, the carrier plate 21 can be driven to step along the progressive slide rail, so that each step of the carrier plate 21 passes through the position distance of one bottle body. Specifically, a number of partition plates 23 are provided on the top surface of the carrier plate 21. The width between two adjacent partition plates 23 is the same as the width of the bottle body. The partition plates 23 space the bottle bodies, so that the bottle bodies can stand stably without tipping over during arrangement.

[0027] On one side of the bearing plate 21, a positioning platform 3 is installed, and the bearing frame 10 is placed on the positioning platform 3. The bearing frame 10 serves as a stacking and loading component for the bottles. After the bottles are stacked in the bearing frame 10, they can be directly loaded onto a vehicle for transportation, making the transportation of the bottles more regular and avoiding the generation of defective parts caused by the collision and extrusion of the bottles during transportation. The operating position of the positioning platform 3 and the final grasping position of the bearing plate 21 are on the same straight line. A positioning cylinder 31 and a pusher cylinder 32 are installed on the positioning platform 3. The positioning cylinder 31 is used to position the bearing frame 10 placed on the positioning platform 3. Specifically, two positioning cylinders 31 are provided, and the two positioning cylinders 31 are respectively located on the adjacent outer side and the end side of the positioning platform 3, so as to position the bearing frame 10 in the length and width directions. A baffle 33 is arranged inside the positioning platform 3, and the baffle 33 cooperates with the positioning cylinder 31 on the outer side. The positioning cylinder 31 on the outer side pushes the bearing frame 10 against the baffle 33 for positioning. A lifting plate 34 is arranged at the front end of the positioning platform 3, and the lifting plate 34 cooperates with the positioning cylinder 31 at the end. The positioning cylinder 31 at the end pushes the bearing frame 10 against the lifting plate 34 for positioning. More specifically, the bottom of the lifting plate 34 is provided with a lifting cylinder. Through the action of the lifting cylinder, the lifting plate 34 can be pushed out onto the positioning platform 3 for positioning, or the lifting plate 34 can be retracted to avoid interfering with the pushing action of the pusher cylinder 32.

[0028] The pusher cylinder 32 is arranged above the positioning cylinder 31 at the end. Specifically, a pusher cylinder mounting frame is installed on one side of the end of the positioning platform 3, and the pusher cylinder 32 is installed on the pusher cylinder mounting frame. After the bottles are loaded, the pusher cylinder 32 pushes the bearing frame 10 onto the pushing-away conveyor belt 5 for transportation and transfers it to the subsequent vehicle loading or temporary storage link.

[0029] A feeding device 4 is arranged on one side of the positioning platform 3. The feeding mechanism 4 is used to transfer the bearing frame 10 onto the positioning platform 3. In order to place the bearing frame more conveniently, in this embodiment, the feeding mechanism 4 adopts a manipulator. The manipulator grabs the stacked bearing frame 10 and places the bearing frame 10 on the positioning platform 3. The bearing frame 10 is provided with half-height partitions to separate the bottles. The half-height partitions enable the bearing frame 10 to expose a larger area when stacked, facilitating the grasping by the manipulator.

[0030] A pushing-away conveyor belt 5 is arranged on the side of the positioning platform 3 opposite to the pusher cylinder 32. The pushing-away conveyor belt 5 transports the bearing frame 10 to the temporary storage place or the vehicle loading place.

[0031] Above the carrier 2 is a handling frame 6, which is a ceiling-mounted fixed structure or a gantry frame structure. A transverse movement mechanism 7 is installed on the handling frame 6. The transverse movement mechanism 7 drives the subsequent clamping mechanism to move linearly back and forth, enabling the clamping mechanism to move back and forth between the carrier plate 21 and the positioning platform 3, thereby completing the transfer and stacking of the bottles. The transverse movement mechanism 7 includes a transverse movement track 71 installed at the bottom of the handling frame 6, a transverse movement synchronous belt mechanism 72, and a transverse movement seat 73. The transverse movement track 71 is perpendicular to the running direction of the carrier 2. The transverse movement synchronous belt mechanism 72 is installed on the transverse movement track 71, and the drive motor of the transverse movement synchronous belt mechanism 72 uses a servo motor to precisely control the displacement of the clamping mechanism. The transverse movement seat 73 is slidably matched with the transverse movement track 71, and a connector fixedly connected to the top of the transverse movement seat 73 is provided on the synchronous belt of the transverse movement synchronous belt mechanism 72. The transverse movement synchronous belt mechanism 72 is used to drive the transverse movement seat 73 to run linearly back and forth along the transverse movement track 71, thereby completing the transfer of the grabbed bottles.

[0032] A lifting mechanism 8 is installed at the bottom of the transverse movement mechanism 7, and a clamping frame 9 is installed at the bottom of the lifting mechanism 8. The clamping frame 9 serves as the installation position for the components that batch-grab the bottle bodies. The lifting mechanism 8 is used to drive the lifting of the clamping mechanism to complete the clamping and releasing actions of the bottle bodies. The lifting mechanism 8 can adopt a pneumatically-driven cylinder, an electrically-controlled synchronous belt mechanism or a lead screw drive mechanism. In this embodiment, in order to adapt to different models of bottle bodies, a lead screw drive mechanism is adopted. Specifically, the lifting mechanism 8 includes a lifting frame 81, and the lifting frame 81 is installed at the bottom of the transverse movement seat 73. A lifting slide rail 82 and a lifting lead screw 83 are vertically installed on the lifting frame 81, and a lifting motor 84 is installed at the top of the lifting frame 81. The lifting motor 84 is used to drive the lifting lead screw 83. A lifting seat 85 is slidably fitted on the lifting frame 81, and a lead screw nut that cooperates with the lifting lead screw 83 is installed on the back of the lifting seat 85. The lifting motor 84 adopts a servo motor. Through the drive of the lifting motor 84 and the transmission of the lead screw, the displacement of the lifting seat 85 can be accurately controlled. The clamping frame 9 is installed on the lifting seat 85. A clamping synchronous belt mechanism 91 is installed on the clamping frame 9, and the driving direction of the clamping synchronous belt mechanism 91 is the same as the moving direction of the bearing plate 21. A fitting ring 92 is rotatably installed at one end of the clamping frame 9, and an insertion bolt 93 is slidably installed in the fitting ring 92. The clamping synchronous belt mechanism 91 is used to drive the insertion bolt 93 to move linearly, so as to drive the insertion bolt 93 to insert into the main body handle hole of the bottle body. The cross section of the insertion bolt 93 is oval. A servo motor 94 for driving the fitting ring 92 to rotate is installed on the clamping frame 9. The servo motor 94 drives the fitting ring 92 to rotate by a certain angle through a gear, so that the insertion bolt 93 rotates by a fixed angle. Since the handle hole of the bottle body main body is an irregular circular arc, when the insertion bolt 93 is inserted into the handle hole of the bottle body, the insertion bolt 93 will not contact the handle hole of the bottle body. After the insertion bolt 93 is inserted into the handle hole of the bottle body, the servo motor 94 drives the fitting ring 92 to rotate, which can make the oval insertion bolt 93 rotate, so as to be clamped in the handle hole of the bottle body and lift the bottle body.

[0033] Specifically, the connection method between the clamping synchronous belt mechanism 91 and the insertion bolt 93 is as follows: the end of the insertion bolt 93 is rotated to install a turntable 95, and a connecting seat is fixedly installed on the synchronous belt of the clamping synchronous belt mechanism 91, and a horizontal "L"-shaped connecting rod 96 is connected to the connecting seat, and the connecting rod 96 is connected to the turntable 95. Through the drive of the clamping synchronous belt mechanism 91, the insertion bolt 93 can be driven by the connecting rod 96 to slide along the embedding ring 92, so as to be inserted into the handle hole of the bottle body. The other end of the clamping frame 9 has a positioning plate 97, and the positioning plate 97 is provided with an insertion groove 98 corresponding to the insertion bolt 93. The insertion bolt 93 is driven by the clamping synchronous belt mechanism 91 to slide to the end of the positioning plate 97, and can cooperate with the insertion groove 98, thereby completing the fixation of the insertion bolt 93 and preventing the insertion bolt 93 from being deformed due to weight. When the transverse synchronous belt mechanism 72 drives the bottle body to be transported into the carrying frame 10, the servo motor 94 drives the embedding ring 92 to reverse a certain angle, so that the insertion bolt 93 is out of contact with the handle hole of the bottle body, and then the clamping synchronous belt mechanism 91 drives the insertion bolt 93 to slide out of the handle hole through the connecting rod 96.

[0034] The supporting frame 10 serves as a supporting component for the bottle body, and has a half-height partition that divides each row of bottle bodies. Symmetrical notches 101 are provided on both sides of the supporting frame 10, and the notches 101 correspond to the insertion plugs 93. When the insertion plugs 93 drive the bottle body into the supporting frame 10, the insertion plugs 93 can be pulled out from the handle hole of the bottle body.

[0035] The stacking method for stacking and boxing injection molded bottles using this system is as follows:

[0036] S1: First, the controller controls the conveyor line 1 to convey the bottles. As the progressive driving device 22 progressively conveys the carrier plate 21, the bottles are arranged in rows on the carrier plate 21, and the handle holes of each bottle are located on the same horizontal line. When the bottles on the carrier plate 21 are arranged, the controller controls the conveyor line 1 to stop conveying.

[0037] S21: The controller controls the transverse synchronous belt mechanism 72 to drive the transverse seat 73 to move to the top of the carrying plate 21 under the limit of the transverse track 71, and then the controller controls the lifting seat 85 of the lifting mechanism 8 to descend, so that the insertion bolt 93 is at the same height as the handle hole of the bottle body, and then the controller controls the clamping synchronous belt mechanism 91 to drive the insertion bolt 93 to be inserted into the handle hole of the row of bottle bodies, and controls the servo motor 94 to drive the embedding ring 92 to rotate, so that the insertion bolt 93 rotates accordingly, and the insertion bolt 93 contacts the inner wall of the handle hole, thereby fixing the bottle body.

[0038] S22: While the bottle is being grabbed, the feeding device 4 transfers the carrying frame 10 to the positioning platform 3, and two groups of positioning cylinders 31 complete the positioning of the carrying frame 10 to place it in a receiving position for the bottle.

[0039] S31: After the bottle body is grasped, the controller controls the lifting seat 85 of the lifting mechanism 8 to rise, lifting the bottle body. The controller controls the cross - transfer synchronous belt mechanism 72 to drive the cross - transfer seat 73 to move above the positioning platform 3, and then controls the lifting seat 85 of the lifting mechanism 8 to descend, placing the bottle body into the loading frame 10. At this time, the insertion bolts 93 are located at the two side notches 101 of the loading frame 10.

[0040] S32: At the same time, the controller controls the loading plate 21 to reset, starts the conveyor line 1, and the loading plate 21 continues to step under the drive of the progressive drive device 22. The conveyor line 1 conveys the bottle bodies onto the loading plate 21 until the loading plate 21 is full.

[0041] S4: After the bottle body is placed down, the controller controls the servo motor 94 to drive the embedding ring 92 to rotate in the reverse direction, causing the insertion bolts 93 to rotate accordingly. The insertion bolts 93 are disengaged from the inner wall of the handle hole. Subsequently, the clamping synchronous belt mechanism 91 drives the insertion bolts 93 to run in the reverse direction and slide out of the handle hole. The controller controls the lifting seat 85 of the lifting mechanism 8 to rise, and the cross - transfer synchronous belt mechanism 72 drives the cross - transfer seat 73 to move above the loading plate 21 under the limit of the cross - transfer track 71 to complete the grasping of the next row of bottle bodies.

[0042] S5: The insertion bolts 93 complete the grasping of the entire row of bottle bodies and transfer them into the loading frame 10 for arrangement in rows and columns. When the stacking loading in the loading frame is completed, the controller controls the pushing cylinder 32 to push the loading frame onto the pushing - away conveyor belt 5, and the feeding device 4 transfers the next empty loading frame 10 to the positioning platform 3 for positioning.

Claims

1. An injection-molded bottle body collection and stacking system, including a conveyor line (1), the conveyor line (1) is used for single-row conveying of bottle bodies, and is characterized in that: A carrier frame (2) is provided at the end of the conveyor line (1). A carrier plate (21) is provided on the top of the carrier frame (2). A progressive driving mechanism (22) is installed on the carrier frame (2), and the progressive driving mechanism (22) is used to drive the carrier plate (21) to step. A positioning platform (3) is provided on one side of the carrier plate (21). A positioning cylinder (31) and a pushing cylinder (32) are provided on the positioning platform (3). Two positioning cylinders (31) are provided, and the two positioning cylinders (31) are respectively located on the adjacent outer side and the end side of the positioning platform (3). A baffle (33) is provided inside the positioning platform (3). A lifting plate (34) is provided at the front end of the positioning platform (3). The pushing cylinder (32) is provided above the positioning cylinder (31) at the end; A feeding device (4) is provided on one side of the positioning platform (3). A pushing-away conveyor belt (5) is provided on the positioning platform (3) on the side opposite to the pushing cylinder (32); A handling frame (6) is provided above the carrier frame (2). A transverse movement mechanism (7) is provided on the handling frame (6). A lifting mechanism (8) is provided at the bottom of the transverse movement mechanism (7). A clamping frame (9) is provided at the bottom of the lifting mechanism (8). A clamping synchronous belt mechanism (91) is provided on the clamping frame (9). An embedding ring (92) is rotatably provided at one end of the clamping frame (9). An insertion bolt (93) is slidably provided in the embedding ring (92). The clamping synchronous belt mechanism (91) is used to drive the insertion bolt (93) to run linearly. A servo motor (94) for driving the embedding ring (92) to rotate is provided on the clamping frame (9); The positioning platform (3) is used to place a carrier frame (10). Symmetrical notches (101) are provided on both sides of the carrier frame (10). The notches (101) are adapted to the insertion bolts (93). A turntable (95) is rotatably provided at the end of the insertion bolt (93). A connecting seat is provided on the synchronous belt of the clamping synchronous belt mechanism (91). A horizontal "L"-shaped connecting rod (96) is provided on the connecting seat. The connecting rod (96) is connected to the turntable (95). A positioning plate (97) is provided at the other end of the clamping frame (9). An insertion slot (98) corresponding to the insertion bolt (93) is provided on the positioning plate (97).

2. The injection molded bottle body collection and stacking system according to claim 1, wherein: A plurality of partition plates (23) are provided on the top surface of the carrier plate (21), and the width between adjacent two partition plates (23) is the same as the width of the bottle body.

3. The injection molding bottle body collection and stacking system according to claim 1, characterized in that: The transverse movement mechanism (7) includes a transverse movement track (71), a transverse movement synchronous belt mechanism (72) and a transverse movement seat (73) provided at the bottom of the handling frame (6). The transverse movement track (71) is perpendicular to the running direction of the carrier frame (2). The transverse movement synchronous belt mechanism (72) is provided on the transverse movement track (71). The transverse movement seat (73) is slidably provided on the transverse movement track (71). The transverse movement synchronous belt mechanism (72) is used to drive the transverse movement seat (73) to reciprocate linearly along the transverse movement track (71).

4. The injection molding bottle body collection and stacking system according to claim 1, wherein: The lifting mechanism (8) includes a lifting frame (81), on which a lifting slide rail (82) and a lifting lead screw (83) are vertically arranged. A lifting motor (84) is arranged at the top of the lifting frame (81), and the lifting motor (84) is used to drive the lifting lead screw (83). A lifting seat (85) is slidably arranged on the lifting frame (81), and a lead screw nut matched with the lifting lead screw (83) is arranged on the back of the lifting seat (85). The clamping frame (9) is arranged on the lifting seat (85).

5. The injection molded bottle body collection and stacking system according to claim 1, wherein: The cross section of the insertion bolt (93) is oval.

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