Plastic bottle blow molding machine

Abstract

The utility model discloses a plastic bottle blow molding machine which comprises a machine frame, a hopper, an elevator, a feeding guide rail, a feeding device, a heating device, a blow molding device and a discharging device, and the feeding device comprises a material blocking mechanism, a pushing mechanism, a positioning mechanism, a feeding mechanism, a conveying mechanism and a pressing mechanism. The feeding mechanism comprises a lower mounting plate arranged at the top of the rack, the rack is provided with a driving device for driving the lower mounting plate to move front and back, a feeding air cylinder moving up and down is mounted at the top of the lower mounting plate, and an upper mounting plate is mounted at the top of the feeding air cylinder. A first rotating cylinder for driving the rotating shaft to rotate is mounted on the upper mounting plate, a plurality of feeding plates are mounted on the rotating shaft, and pneumatic clamping jaws are mounted at the ends of the feeding plates. According to the full-automatic feeding device, full-automatic feeding can be achieved, the labor intensity of workers is low, feeding efficiency is high, plastic bottle blank positioning is accurate, feeding positioning is accurate, the subsequent blow molding precision is guaranteed, and batch production is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of blow molding machine technology, specifically to a plastic bottle blow molding machine. Background Technology

[0002] Plastic bottle blow molding is a machine that feeds plastic preforms into plastic bottles by blowing them into full-size bottles. A typical plastic bottle blow molding machine includes a feeding device, a heating device, a blowing device, and a unloading device. However, the feeding devices in existing plastic bottle blow molding machines are generally semi-automatic, resulting in high labor intensity for workers, low feeding efficiency, low feeding accuracy, and inaccurate positioning, which affects subsequent blow molding precision, quality stability, and is detrimental to mass production. Therefore, to avoid the shortcomings of existing technology, it is necessary to improve it. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies in the existing technology and provide a plastic bottle blow molding machine with high feeding efficiency and high feeding accuracy.

[0004] This utility model is achieved through the following technical solution:

[0005] A plastic bottle blow molding machine includes a frame and a hopper, an elevator, a feeding guide rail, a feeding device, a heating device, a blow molding device, and a discharging device arranged in sequence. The feeding device includes a blocking mechanism, a pushing mechanism, a positioning mechanism, a feeding mechanism, a conveying mechanism, and a pressing mechanism. The feeding mechanism includes a lower mounting plate located on the top of the frame. The frame is equipped with a driving device for driving the lower mounting plate to move back and forth. A feeding cylinder that moves up and down is mounted on the top of the lower mounting plate. An upper mounting plate is mounted on the top of the feeding cylinder. A rotating shaft is mounted on the top of the upper mounting plate. A first rotary cylinder that drives the rotating shaft to rotate is mounted on the upper mounting plate. A plurality of feeding plates are mounted on the rotating shaft. Pneumatic grippers are mounted on the ends of the feeding plates.

[0006] Furthermore, the conveying mechanism is equipped with several positioning blocks.

[0007] Furthermore, the clamping mechanism includes a longitudinal support plate installed on the top of the frame, a transverse support plate installed on the top of the longitudinal support plate, a clamping cylinder installed on the top of the transverse support plate, a clamping mounting plate installed on the bottom of the clamping cylinder, and a plurality of clamping blocks installed on the bottom of the clamping mounting plate.

[0008] Furthermore, the top of the clamping mounting plate is provided with a guide rod, and the transverse support plate is provided with a guide sleeve corresponding to the guide rod.

[0009] Furthermore, the material blocking mechanism includes a material blocking cylinder mounting plate, on which a material blocking cylinder is mounted. The piston rod of the material blocking cylinder is connected to a material blocking plate, and the material blocking plate is provided with a guide rod that is slidably connected to the material blocking cylinder mounting plate.

[0010] Furthermore, the pushing mechanism includes a pushing cylinder mounting plate, on which a pushing cylinder is mounted, and the piston rod of the pushing cylinder is connected to a pushing plate, which has a plurality of preform placement slots.

[0011] Furthermore, a first slide rail is installed on the top of the push cylinder mounting plate, and a first slider is provided on the bottom of the push plate that is slidably connected to the first slide rail.

[0012] Furthermore, the positioning mechanism includes a positioning mechanism mounting bracket installed on the frame, a second rotary cylinder is mounted on the positioning mechanism mounting bracket, the second rotary cylinder is connected to a connecting rod, the connecting rod is mounted with a plurality of longitudinal support rods, and a positioning plate is connected to the top of the longitudinal support rods.

[0013] Furthermore, the driving device includes a driving cylinder mounted on the top of the frame, and the piston rod of the driving cylinder is connected to the lower mounting plate.

[0014] Furthermore, a second slide rail is installed on the top of the frame, and a second slider is provided at the bottom of the lower mounting plate, which is slidably connected to the second slide rail.

[0015] Compared to existing technologies, this utility model, through the sequential arrangement of a hopper, elevator, feeding guide rail, feeding device, heating device, blow molding device, and unloading device, and with the feeding device including a blocking mechanism, pushing mechanism, positioning mechanism, feeding mechanism, conveying mechanism, and pressing mechanism, enables the plastic bottle blow molding machine to achieve fully automatic feeding, reducing worker labor intensity and increasing feeding efficiency. The machine frame is equipped with a drive device that drives the lower mounting plate to move back and forth. A feeding cylinder that moves up and down is mounted on the top of the lower mounting plate, and an upper mounting plate is mounted on the top of the feeding cylinder. A rotating shaft is mounted on the top of the mounting plate, and a first rotary cylinder that drives the rotating shaft to rotate is mounted on the upper mounting plate. Several feeding plates are mounted on the rotating shaft, and pneumatic grippers are mounted on the ends of the feeding plates. During operation, the pneumatic grippers clamp the plastic preforms, the first rotary cylinder drives the plastic preforms to rotate 180 degrees, the driving device drives the plastic preforms to move downwards and place them on the conveying mechanism, and the pneumatic grippers release the plastic preforms, achieving accurate positioning of the plastic preforms. The feeding accuracy is high, the feeding positioning is precise, ensuring the subsequent blow molding accuracy, ensuring quality stability, and facilitating mass production. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the plastic bottle blow molding machine of this utility model;

[0018] Figure 2 This is a schematic diagram of the feeding device of this utility model.

[0019] In the diagram: 1-Hopper; 2-Elevator; 3-Feeding guide rail; 4-Feeding device; 5-Heating device; 6-Blow molding device; 7-Unloading device; 8-Lower mounting plate; 9-Feeding cylinder; 10-Upper mounting plate; 11-Rotating shaft; 12-First rotary cylinder; 13-Feeding plate; 14-Pneumatic gripper; 15-Positioning block; 16-Longitudinal support plate; 17-Transverse support plate; 18-Clamping cylinder; 19-Clamping mounting plate; 20 - Clamping block; 21- Guide rod; 22- Guide sleeve; 23- Material blocking cylinder mounting plate; 24- Material blocking cylinder; 25- Material blocking plate; 26- Guide rod; 27- Pushing cylinder mounting plate; 28- Pushing cylinder; 29- Pushing plate; 30- Preform placement slotting; 31- Positioning mechanism mounting bracket; 32- Second rotary cylinder; 33- Connecting rod; 34- Longitudinal support rod; 35- Positioning plate; 36- Second slide rail; 100- Frame. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 1 and Figure 2The present invention discloses a plastic bottle blow molding machine, comprising a frame 100 and a hopper 1, an elevator 2, a feeding guide rail 3, a feeding device 4, a heating device 5, a blow molding device 6, and a discharging device 7 arranged sequentially. The feeding device 4 includes a blocking mechanism, a pushing mechanism, a positioning mechanism, a feeding mechanism, a conveying mechanism, and a pressing mechanism. The feeding mechanism includes a lower mounting plate 8 located on the top of the frame 100. The frame 100 is provided with a driving device for driving the lower mounting plate 8 to move back and forth. A feeding cylinder 9 that moves up and down is mounted on the top of the lower mounting plate 8. An upper mounting plate 10 is mounted on the top of the feeding cylinder 9. A rotating shaft 11 is mounted on the top of the upper mounting plate 10. A first rotary cylinder 12 that drives the rotating shaft 11 to rotate is mounted on the upper mounting plate 10. A plurality of feeding plates 13 are mounted on the rotating shaft 11. Pneumatic grippers 14 are mounted on the ends of the feeding plates 13. The plastic bottle blow molding machine is equipped with a hopper 1, an elevator 2, a feeding guide rail 3, a feeding device 4, a heating device 5, a blow molding device 6, and a discharging device 7 arranged in sequence. The feeding device 4 includes a blocking mechanism, a pushing mechanism, a positioning mechanism, a feeding mechanism, a conveying mechanism, and a pressing mechanism, enabling fully automatic feeding of the plastic bottle blow molding machine. This reduces the labor intensity of workers and increases feeding efficiency. The frame 100 is equipped with a drive device that drives the lower mounting plate 8 to move back and forth. A feeding cylinder 9 that moves up and down is installed on the top of the lower mounting plate 8. An upper mounting plate 10 is installed on the top of the feeding cylinder 9. The top of the upper mounting plate 10 is equipped with a feeding cylinder 9 that moves up and down. There is a rotating shaft 11, and a first rotary cylinder 12 that drives the rotating shaft 11 to rotate is mounted on the upper mounting plate 10. Several feeding plates 13 are mounted on the rotating shaft 11, and pneumatic grippers 14 are mounted on the ends of the feeding plates 13. During operation, the pneumatic grippers 14 clamp the plastic preform, the first rotary cylinder 12 drives the plastic preform to rotate 180 degrees, the driving device drives the plastic preform to move downward and place it on the conveying mechanism, and the pneumatic grippers 14 release the plastic preform, realizing accurate positioning of the plastic preform. The feeding accuracy is high and the feeding positioning is precise, which ensures the subsequent blow molding accuracy, ensures quality stability, and is conducive to mass production.

[0022] The conveying mechanism is equipped with several positioning blocks 15 to facilitate the positioning and placement of the plastic preform after it is inverted. In one specific implementation, the conveying mechanism is a conveyor belt.

[0023] The clamping mechanism includes a longitudinal support plate 16 mounted on the top of the frame 100, a transverse support plate 17 mounted on the top of the longitudinal support plate 16, a clamping cylinder 18 mounted on the top of the transverse support plate 17, a clamping mounting plate 19 mounted on the bottom of the clamping cylinder 18, and several clamping blocks 20 mounted on the bottom of the clamping mounting plate 19. The clamping cylinder 18 drives the clamping blocks 20 to move downward, pressing the plastic preform onto the positioning block 15, which facilitates subsequent stable blow molding.

[0024] The top of the clamping mounting plate 19 is provided with a guide rod 21, and the transverse support plate 17 is provided with a guide sleeve 22 corresponding to the guide rod 21, so that the up and down movement of the clamping block 20 is more stable, and the plastic bottle preform is clamped stably.

[0025] The material blocking mechanism includes a material blocking cylinder mounting plate 23, on which a material blocking cylinder 24 is mounted. The piston rod of the material blocking cylinder 24 is connected to a material blocking plate 25. The material blocking plate 25 is provided with a guide rod 26 that is slidably connected to the material blocking cylinder mounting plate 23. The material blocking cylinder 24 drives the material blocking plate 25 to control the lowering of the plastic bottle preform on the feeding guide rail 3.

[0026] The pushing mechanism includes a pushing cylinder mounting plate 27, on which a pushing cylinder 28 is mounted. The piston rod of the pushing cylinder 28 is connected to a pushing plate 29. The pushing plate 29 is provided with several preform placement slots 30 to facilitate the plastic preforms falling into the preform placement slots 30. The pushing cylinder 28 drives the pushing plate 29 to push the plastic preforms.

[0027] The top of the pusher cylinder mounting plate 27 is equipped with a first slide rail, and the bottom of the pusher plate 29 is provided with a first slider that is slidably connected to the first slide rail, so that the movement of the pusher plate 29 is more stable.

[0028] The positioning mechanism includes a positioning mechanism mounting bracket 31 installed on the frame 100. The positioning mechanism mounting bracket 31 is equipped with a second rotary cylinder 32. The second rotary cylinder 32 is connected to a connecting rod 33. The connecting rod 33 is equipped with several longitudinal support rods 34. The top of the longitudinal support rods 34 is connected to a positioning plate 35. The second rotary cylinder 32 drives the positioning plate 35 to rotate and fit against the push plate 29 to prevent the plastic preform from falling out of the preform placement slot 30.

[0029] The drive unit includes a drive cylinder mounted on the top of the frame. The piston rod of the drive cylinder is connected to the lower mounting plate 8. The drive cylinder drives the lower mounting plate 8 to move back and forth, which facilitates the feeding of plastic preforms.

[0030] The top of the frame 100 is equipped with a second slide rail 36, and the bottom of the lower mounting plate 8 is provided with a second slider that is slidably connected to the second slide rail 36, so that the lower mounting plate 8 slides back and forth more stably and facilitates the feeding of plastic preforms.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A plastic bottle blow molding machine, characterized in that: The device includes a frame and a hopper, a hoist, a feeding guide rail, a feeding device, a heating device, a blow molding device, and a discharging device arranged in sequence. The feeding device includes a blocking mechanism, a pushing mechanism, a positioning mechanism, a feeding mechanism, a conveying mechanism, and a pressing mechanism. The feeding mechanism includes a lower mounting plate located on the top of the frame. The frame is equipped with a driving device that drives the lower mounting plate to move back and forth. A feeding cylinder that moves up and down is mounted on the top of the lower mounting plate. An upper mounting plate is mounted on the top of the feeding cylinder. A rotating shaft is mounted on the top of the upper mounting plate. A first rotary cylinder that drives the rotating shaft to rotate is mounted on the upper mounting plate. Several feeding plates are mounted on the rotating shaft. Pneumatic grippers are mounted on the ends of the feeding plates.

2. The plastic bottle blow molding machine according to claim 1, characterized in that: The conveying mechanism is equipped with several positioning blocks.

3. The plastic bottle blow molding machine according to claim 1, characterized in that: The clamping mechanism includes a longitudinal support plate installed on the top of the frame, a transverse support plate installed on the top of the longitudinal support plate, a clamping cylinder installed on the top of the transverse support plate, a clamping mounting plate installed on the bottom of the clamping cylinder, and several clamping blocks installed on the bottom of the clamping mounting plate.

4. The plastic bottle blow molding machine according to claim 3, characterized in that: The top of the clamping mounting plate is provided with a guide rod, and the transverse support plate is provided with a guide sleeve corresponding to the guide rod.

5. The plastic bottle blow molding machine according to claim 1, characterized in that: The material blocking mechanism includes a material blocking cylinder mounting plate, on which a material blocking cylinder is mounted. The piston rod of the material blocking cylinder is connected to a material blocking plate, and the material blocking plate is provided with a guide rod that is slidably connected to the material blocking cylinder mounting plate.

6. The plastic bottle blow molding machine according to claim 1, characterized in that: The pushing mechanism includes a pushing cylinder mounting plate, on which a pushing cylinder is mounted. The piston rod of the pushing cylinder is connected to a pushing plate, and the pushing plate has several preform placement slots.

7. The plastic bottle blow molding machine according to claim 6, characterized in that: The top of the push cylinder mounting plate is equipped with a first slide rail, and the bottom of the push plate is provided with a first slider that is slidably connected to the first slide rail.

8. The plastic bottle blow molding machine according to claim 1, characterized in that: The positioning mechanism includes a positioning mechanism mounting bracket installed on the frame. The positioning mechanism mounting bracket is equipped with a second rotary cylinder. The second rotary cylinder is connected to a connecting rod. The connecting rod is equipped with a plurality of longitudinal support rods. A positioning plate is connected to the top of the longitudinal support rods.

9. The plastic bottle blow molding machine according to claim 1, characterized in that: The drive device includes a drive cylinder mounted on the top of the frame, and the piston rod of the drive cylinder is connected to the lower mounting plate.

10. The plastic bottle blow molding machine according to claim 9, characterized in that: The top of the frame is equipped with a second slide rail, and the bottom of the lower mounting plate is provided with a second slider that is slidably connected to the second slide rail.

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