Plastic bottle edge cutting equipment
By using a motor-driven turntable and a pneumatic device in conjunction with a curved trimming knife, the problem of complete removal of burrs on the outer ring of plastic bottles in the prior art is solved, achieving the effects of all-round removal and convenient replacement of the trimming knife.
Patent Information
- Application Number
- CN202422800031.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Existing plastic bottle trimming devices cannot effectively remove burrs on the outer ring of plastic bottles, especially burrs in non-unidirectional directions, resulting in increased processing time.
The motor-driven turntable drives the plastic bottle to rotate. Combined with the pneumatic device and the arc-shaped trimming knife, the plastic bottle is limited by the positioning head and the pushing sleeve to achieve uniform cutting of the outer edge of the plastic bottle.
It realizes the all-round removal of burrs on the outer ring of plastic bottles, reduces processing time, and the trimming knife can be easily replaced to meet the needs of different sizes.
Smart Images
Figure CN223326793U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of edge trimming, in particular to a device for trimming the edge of a plastic bottle. Background Art
[0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. Plastic bottles widely use polyester, polyethylene and polypropylene as raw materials. After adding the corresponding organic solvents, they are heated at high temperature and then blow-molded, extruded or injection-molded through plastic molds to form plastic containers. During the production of plastic bottles, the produced plastic bottles will be trimmed using special trimming equipment.
[0003] In the existing devices, there are certain deficiencies in trimming the edges of plastic bottles. The commonly used trimming device is a pneumatic push-up type, in which the pneumatic device pushes the cutter to move in a single direction to remove burrs and other excess materials on the outer ring of the plastic bottle. However, plastic bottles are usually round, and burrs may exist in directions other than the movement of the cutter. The above structure cannot remove burrs in a single time, which wastes processing time. Utility Model Content
[0004] In view of the deficiencies of the prior art, the present invention provides a plastic bottle trimming device, which has the advantages of rotary trimming and solves the problems raised by the above-mentioned background technology.
[0005] The utility model provides the following technical solution: a plastic bottle trimming device, comprising a box body, an operating chamber is opened inside the box body, a driving chamber is opened inside the box body below the operating chamber, a motor is fixedly installed inside the driving chamber, a plastic bottle is clamped above the motor inside the operating chamber, a pneumatic device is fixedly installed on the top of the box body, a fixing plate is fixedly installed on the inner wall of the operating chamber, a trimming knife is fixedly connected to one side of the fixing plate, and one end of the trimming knife is adapted to the outer ring of the plastic bottle.
[0006] Through the above-mentioned structural setting, the pneumatic device drives the pushing sleeve to slide downward around the outer ring of the output head, squeezing and limiting the plastic bottle above the positioning head, so that the plastic bottle will not be positionally shifted during the rotation process. When the plastic bottle is driven to rotate, the blade evenly cuts off the burrs of the outer ring of the plastic bottle, achieving a convenient cutting effect.
[0007] Preferably, the output shaft end of the motor is fixedly connected to a turntable, the top of the turntable is evenly and fixedly mounted with a positioning head in a circular shape, and the plastic bottle is clamped on the top of the turntable and located on the outer ring of the positioning head.
[0008] With the above-mentioned structural arrangement, when the plastic bottle is placed on the top of the motor, the card slot is engaged with the positioning head, which serves as a positioning device for the plastic bottle. When the turntable rotates, the plastic bottle can be driven to rotate synchronously.
[0009] Preferably, a clamping ring is provided on the outer ring of the top of the plastic bottle, and a clamping groove is evenly opened on the bottom of the plastic bottle in a circular shape, and the clamping groove is adapted to the positioning head.
[0010] With the above-mentioned structural arrangement, after the plastic bottle is placed on the top of the motor for positioning, the pneumatic device is started to make the push sleeve hit the top opening of the plastic bottle, thereby limiting the position of the plastic bottle.
[0011] Preferably, the bottom of the pneumatic device is located inside the working chamber and an output head is provided. The outer ring of the output head is slidably sleeved with a push sleeve. A redundant cavity is provided on the top of the push sleeve. The redundant cavity and the outer ring of the output head are mechanically sealed. A circular groove is provided at the bottom of the push sleeve, and the circular groove is adapted to the top of the plastic bottle.
[0012] Through the above structural setting, a circular groove is opened at the bottom of the pushing sleeve, which is adapted to the top of the plastic bottle. The circular groove is just sleeved on the top outer ring of the plastic bottle and is located above the clamping ring, thereby limiting the position of the plastic bottle, and the plastic bottle can rotate inside the circular groove.
[0013] Preferably, a curved plate is provided on one side of the fixing plate, the curved plate is adapted to the trimming knife, and screw holes are provided on one side of the curved plate and the trimming knife in a linear array.
[0014] With the above-mentioned structural setting, the connection between the trimming knife and the fixed plate can be released by turning the screw. By replacing a new trimming knife or a trimming knife of a different size, the position of the trimming knife and the fixed plate can be fixed again with a screw, thereby achieving the effect of convenient replacement and convenient replacement.
[0015] Preferably, one side of the trimming knife is provided with a countersunk hole at the screw hole, the trimming knife is threadedly installed with a screw inside the countersunk hole, the trimming knife is fixed to the fixed plate by screws, and one side of the trimming knife is provided with a blade at the outer ring of the plastic bottle, the blade is in an oblique arc shape, the oblique arc shape of the blade is adapted to the arc-shaped outer ring of the plastic bottle, and the blade fits the outer ring of the plastic bottle.
[0016] Through the above structural setting, since the blade is set to be arc-shaped, when the burr on the outer ring of the plastic bottle first comes into contact with the blade, the shape and direction setting of the blade can quickly and without resistance rotate and cut off the burr on the outer ring of the plastic bottle, achieving the effect of convenient and complete cutting.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The plastic bottle trimming equipment can trim the outer burrs of plastic bottles by setting up a motor, a pneumatic device, a trimming knife and other structures. When the motor is started, the turntable drives the plastic bottle on its top to rotate. When the plastic bottle rotates, the burrs on the outer ring are evenly cut off by the blade, which can realize the rotational removal of the burrs on the outer ring of the plastic bottle, ensuring that the burrs on the outer ring of the plastic bottle can be completely removed, rather than just the burrs on one side. Since the blade is set to be arc-shaped, when the outer ring burrs of the plastic bottle first come into contact with the blade, the shape and direction of the blade can quickly and without resistance rotate and remove the outer ring burrs of the plastic bottle, achieving the effect of convenient and complete removal.
[0019] 2. The plastic bottle trimming equipment can realize convenient replacement of the trimming knife by setting a fixed plate, a trimming knife, a screw and other structures. By turning the screw, the trimming knife can be connected to the fixed plate. When the trimming knife is worn out due to long-term use or a trimming knife of a different size needs to be replaced, the screw is turned out and the trimming knife is disassembled. By replacing a new trimming knife or a trimming knife of a different size, the position of the trimming knife and the fixed plate is fixed again with a screw, which achieves the effect of convenient replacement and easy replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a cross-sectional view of the box structure of the utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the plastic bottle of the utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the edge trimming knife of the utility model;
[0024] Figure 5 This is a schematic diagram of the card slot structure of the utility model.
[0025] In the figure: 1. Box body; 11. Working chamber; 2. Motor; 21. Turntable; 22. Positioning head; 3. Plastic bottle; 31. Clamping ring; 32. Slot; 4. Pneumatic device; 41. Output head; 42. Push sleeve; 5. Fixing plate; 6. Trimming knife; 61. Countersunk hole; 62. Screw; 63. Blade. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] See also Figure 1-Figure 3 A plastic bottle trimming device includes a box body 1, an operating chamber 11 is opened inside the box body 1, a driving chamber is opened inside the box body 1 below the operating chamber 11, a motor 2 is fixedly installed inside the driving chamber, a plastic bottle 3 is clamped above the motor 2 inside the operating chamber 11, a pneumatic device 4 is fixedly installed on the top of the box body 1, a fixing plate 5 is fixedly installed on the inner wall of the operating chamber 11, a trimming knife 6 is fixedly connected to one side of the fixing plate 5, and one end of the trimming knife 6 is adapted to the outer ring of the plastic bottle 3.
[0028] Through the mutual cooperation between the structures of this device, the pneumatic device 4 drives the pushing sleeve 42 to slide downward around the outer ring of the output head 41, and squeezes and limits the plastic bottle 3 above the positioning head 22, so that the plastic bottle 3 will not be positionally offset during the rotation process. When driving the plastic bottle 3 to rotate, the blade 63 evenly cuts off the burrs on the outer ring of the plastic bottle 3, achieving a convenient cutting effect.
[0029] See also Figure 1-Figure 5 The output shaft end of the motor 2 is fixedly connected to a turntable 21 , and a positioning head 22 is evenly fixedly installed on the top of the turntable 21 in a circular shape. The plastic bottle 3 is clamped on the top of the turntable 21 and located on the outer ring of the positioning head 22 .
[0030] When the plastic bottle 3 is placed on the top of the motor 2, the card slot 32 is engaged with the positioning head 22, which serves as a positioning device for the plastic bottle 3. When the turntable 21 rotates, it can drive the plastic bottle 3 to rotate synchronously.
[0031] See also Figure 1-Figure 5 The outer ring of the top of the plastic bottle 3 is provided with a clamping ring 31, so that the pneumatic device 4 can limit the position of the plastic bottle 3 while fixing the position of the plastic bottle 3. The bottom of the plastic bottle 3 is evenly provided with a clamping groove 32 in a circular ring shape, and the clamping groove 32 is adapted to the positioning head 22.
[0032] After the plastic bottle 3 is placed on the top of the motor 2 for positioning, the pneumatic device 4 is started to make the push sleeve 42 press against the top opening of the plastic bottle 3, limiting the position of the plastic bottle 3 so that the plastic bottle 3 rotates with the positioning head 22 as the axis center.
[0033] See also Figure 1-Figure 3 The bottom of the pneumatic device 4 is located inside the action chamber 11 and is provided with an output head 41. The outer ring of the output head 41 is slidably sleeved with a push sleeve 42. A redundant cavity is opened on the top of the push sleeve 42. The redundant cavity and the outer ring of the output head 41 are mechanically sealed. A circular groove is opened at the bottom of the push sleeve 42. The circular groove is adapted to the top of the plastic bottle 3. The circular groove is just sleeved on the top outer ring of the plastic bottle 3 and is located above the clamping ring 31, thereby limiting the position of the plastic bottle 3, and the plastic bottle 3 can rotate inside the circular groove.
[0034] When the pneumatic device 4 outputs gas through the output head 41, it can push the push sleeve 42 to slide downward around the outer ring of the output head 41, so that the push sleeve 42 presses against the top of the plastic bottle 3 to limit the plastic bottle 3. When the pneumatic device 4 sucks back the gas inside the redundant cavity through the output head 41, it can drive the push sleeve 42 to slide upward around the outer ring of the output head 41.
[0035] See also Figure 1-Figure 5 , an arc plate is provided on one side of the fixing plate 5, and the arc plate is adapted to the trimming knife 6. Screw holes are provided on one side of the arc plate and the trimming knife 6 in a linear array. A countersunk hole 61 is provided on one side of the trimming knife 6 at the screw hole. The trimming knife 6 is located in the countersunk hole 61 and a screw 62 is installed on the internal thread of the countersunk hole 61. The trimming knife 6 is fixed to the fixing plate 5 by the screw 62. One side of the trimming knife 6 is located on the outer ring of the plastic bottle 3 and is provided with a blade 63. The shape of the blade 63 is an oblique arc, and the oblique arc of the blade 63 is adapted to the arc-shaped outer ring of the plastic bottle 3, and the blade 63 fits the outer ring of the plastic bottle 3.
[0036] By turning the screw 62, the side trimmer 6 can be released from the connection with the fixed plate 5. When the side trimmer 6 is worn out due to long-term use or a side trimmer 6 of a different size needs to be replaced, the screw 62 is turned out to disassemble the side trimmer 6. By replacing a new side trimmer 6 or a side trimmer 6 of a different size, the position of the side trimmer 6 and the fixed plate 5 can be fixed again using the screw 62, thereby achieving the effect of convenient replacement and convenient replacement.
[0037] When the motor 2 is started, the turntable 21 drives the plastic bottle 3 on its top to rotate. When the plastic bottle 3 rotates, the burrs on the outer circle of the plastic bottle 3 are evenly cut off by the blade 63, which can realize the rotational removal of the burrs on the outer circle of the plastic bottle 3, ensuring that the burrs on the outer circle of the plastic bottle 3 can be completely removed, rather than just the burrs on one side. Since the blade 63 is set to be arc-shaped, when the burrs on the outer circle of the plastic bottle 3 first come into contact with the blade 63, the shape and direction setting of the blade 63 can quickly and without resistance rotate and remove the burrs on the outer circle of the plastic bottle 3, thereby achieving the effect of convenient and complete removal.
[0038] Working principle: Place the plastic bottle 3 whose burrs need to be removed on the top of the turntable 21, match the slot 32 with the positioning head 22, locate the position of the plastic bottle 3, start the pneumatic device 4, and make the push sleeve 42 located at the outer ring of the output head 41 move downward and press against the top of the plastic bottle 3 to limit the position of the plastic bottle 3, start the motor 2, and the positioning head 22 drives the plastic bottle 3 to rotate. When the plastic bottle 3 rotates, the burrs on the outer ring will be evenly removed by the blade 63, and the burrs on the outer ring of the plastic bottle 3 will be removed from bottom to top. Since the shape of the screw 62 is oblique, it is easier to remove the burrs on the outer ring of the plastic bottle 3. When the trimming knife 6 needs to be replaced, the screw 62 is removed to release the connection between the trimming knife 6 and the fixed plate 5. After the new trimming knife 6 is connected to the fixed plate 5 through the screw 62, it can be reused.
Claims
1. A plastic bottle trimming device, comprising a box (1), characterized in that: An action chamber (11) is provided inside the box (1), a driving chamber is provided inside the box (1) below the action chamber (11), a motor (2) is fixedly installed inside the driving chamber, a plastic bottle (3) is clamped above the motor (2) inside the action chamber (11), a pneumatic device (4) is fixedly installed on the top of the box (1), a fixing plate (5) is fixedly installed on the inner wall of the action chamber (11), a trimming knife (6) is fixedly connected to one side of the fixing plate (5), and one end of the trimming knife (6) is adapted to the outer ring of the plastic bottle (3).
2. The plastic bottle trimming device according to claim 1, characterized in that: The output shaft end of the motor (2) is fixedly connected to a turntable (21), and a positioning head (22) is evenly fixedly mounted on the top of the turntable (21) in a circular shape. The plastic bottle (3) is clamped on the top of the turntable (21) and located on the outer ring of the positioning head (22).
3. The plastic bottle trimming device according to claim 2, characterized in that: The outer ring of the top of the plastic bottle (3) is provided with a clamping ring (31), and the bottom of the plastic bottle (3) is evenly provided with clamping grooves (32) in a circular shape, and the clamping grooves (32) are adapted to the positioning head (22).
4. The plastic bottle trimming device according to claim 3, characterized in that: The bottom of the pneumatic device (4) is located inside the action chamber (11) and is provided with an output head (41). The outer ring of the output head (41) is slidably sleeved with a push sleeve (42). The top of the push sleeve (42) is provided with a redundant cavity. The redundant cavity and the outer ring of the output head (41) are mechanically sealed. The bottom of the push sleeve (42) is provided with a circular groove, which is adapted to the top of the plastic bottle (3).
5. The plastic bottle trimming device according to claim 4, characterized in that: One side of the fixing plate (5) is provided with an arc plate, the arc plate is adapted to the trimming knife (6), and screw holes are provided in a linear array on one side of the arc plate and the trimming knife (6).
6. The plastic bottle trimming device according to claim 5, characterized in that: One side of the trimming knife (6) is provided with a countersunk hole (61) at the screw hole, and a screw (62) is installed in the countersunk hole (61) through a thread on the trimming knife (6). The trimming knife (6) is fixed to the fixing plate (5) by the screw (62). One side of the trimming knife (6) is provided with a blade (63) at the outer ring of the plastic bottle (3), and the blade (63) is in an oblique arc shape. The oblique arc shape of the blade (63) is adapted to the arc-shaped outer ring of the plastic bottle (3), and the blade (63) is in contact with the outer ring of the plastic bottle (3).