Opening trimming equipment for plastic bottles

Abstract

The utility model relates to the technical field of trimming equipment, in particular to mouth trimming equipment for plastic bottles. An opening trimming device for a plastic bottle comprises a rack, a trimming assembly for conducting trimming operation on a bottle opening in a horizontal telescopic and rotary cutting mode is hoisted at the top of the rack, a positioning assembly for conducting horizontal clamping and vertical lifting operation on the plastic bottle is arranged on the upper portion of the rack, and the positioning assembly and the trimming assembly are vertically and correspondingly arranged; according to the trimming equipment, the trimming assembly and the positioning assembly are designed, so that lifting operation of plastic bottles of different models and sizes is achieved through the positioning assembly, horizontal moving and rotary cutting operation of bottle openings of the plastic bottles of different models are achieved through the trimming assembly, and positioning and fixing and rotary cutting operation of the bottle openings of the plastic bottles of different models are achieved; the problems that in the prior art, flat-pushing type trimming equipment for the plastic bottles is relatively fixed in structure and function, and the trimming requirements of bottle openings of the plastic bottles of different models and different sizes cannot be flexibly met are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of trimming equipment, in particular to a mouth trimming equipment for plastic bottles. BACKGROUND

[0002] In the production and processing process of plastic bottles, trimming of the bottle mouth is an important link. The structure and function of the traditional flat pushing type trimming equipment are relatively fixed, and it is difficult to flexibly adapt to the trimming needs of the bottle mouths of plastic bottles of different models and sizes. When different models of plastic bottles need to be trimmed, the equipment often needs to be adjusted or replaced with parts, which reduces production efficiency. CONTENT OF THE INVENTION

[0003] The problem to be solved by the present application is that the existing flat pushing type trimming equipment for plastic bottles has a relatively fixed structure and function, and it is difficult to flexibly adapt to the trimming needs of the bottle mouths of plastic bottles of different models and sizes.

[0004] To solve the above technical problems, the present application provides a mouth trimming equipment for plastic bottles, which comprises a rack, a trimming assembly arranged on the top of the rack and used for trimming the bottle mouth in a horizontal telescopic and rotary cutting manner, and a positioning assembly arranged on the upper part of the rack and used for horizontally clamping and vertically lifting the plastic bottle, wherein the positioning assembly is vertically arranged corresponding to the trimming assembly.

[0005] Since the trimming equipment of the present application is designed with a trimming assembly and a positioning assembly, the lifting operation of plastic bottles of different models and sizes is realized through the positioning assembly, the horizontal movement and rotary cutting operation of the bottle mouths of different models of plastic bottles are realized through the trimming assembly, the positioning and fixing of plastic bottles of different models and the rotary cutting operation of the bottle mouths are realized, and the problem that the existing flat pushing type trimming equipment for plastic bottles has a relatively fixed structure and function and is difficult to flexibly adapt to the trimming needs of the bottle mouths of plastic bottles of different models and sizes is solved. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 It is a perspective structural schematic diagram of the embodiment.

[0007] Figure 2 It is a front view structural schematic diagram of the embodiment.

[0008] Figure 3 It is a side view structural schematic diagram of the embodiment.

[0009] Figure 4 It is a front view structural schematic diagram of the trimming assembly.

[0010] Figure 5 It is a bottom view structural schematic diagram of the trimming assembly.

[0011] Figure 6This is a front view schematic diagram of the positioning component.

[0012] Figure 7 This is a side view of the positioning component.

[0013] In the diagram: 1. Trimming assembly; 2. Positioning assembly; 3. Conveyor belt; 4. Frame; 5. Rack; 6. Hanging plate; 7. Support block; 8. First cylinder; 9. Shaft; 10. Blade; 11. First guide rod; 12. Second cylinder; 13. Clamping block; 14. Fourth cylinder; 15. Support plate; 16. Second guide rod; 17. Support plate; 18. Third cylinder. Detailed Implementation

[0014] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. Example

[0015] This application relates to a mouth trimming device for plastic bottles, such as... Figures 1-7 As shown, the trimming equipment includes a frame 4, which serves as the supporting structure for the equipment. The frame 4 has sufficient strength and stability to support and fix the various components. The trimming component 1 is suspended on the top of the frame 4 and uses horizontal telescopic and rotary cutting methods to trim the bottle neck. The trimming component 1 has a telescopic mechanism, a rotary mechanism, and a cutting blade. The telescopic mechanism is used to drive the cutting blade to extend and retract in the horizontal direction, and the rotary mechanism is used to drive the cutting blade to rotate around its axis, thereby achieving precise trimming of the bottle neck. The positioning component 2 is arranged on the upper part of the frame 4 directly below the trimming component 1 and is used to perform horizontal clamping and vertical lifting operations on the plastic bottle. The positioning component 2 has a clamping mechanism and a lifting mechanism. The clamping mechanism is used to clamp the plastic bottle horizontally to ensure its stability during the trimming process. The lifting mechanism is used to drive the clamping mechanism and the plastic bottle to lift and lower in the vertical direction to adapt to the trimming needs of plastic bottles of different sizes. In order to facilitate the loading and unloading of plastic bottles, a conveyor belt 3 that can be lifted and lowered along with the plastic bottle can be added to the upper part of the positioning component 2. The conveyor belt 3 is used to intermittently transport plastic bottles, improving the automation level and production efficiency of the equipment.

[0016] In operation, first, the plastic bottle is conveyed to the positioning assembly 2 by the conveying belt 3 (if provided), the clamping mechanism of the positioning assembly 2 horizontally clamps the plastic bottle, the lifting mechanism lifts the plastic bottle to the appropriate position according to the model size of the plastic bottle, then the telescopic mechanism of the trimming assembly 1 drives the cutting tool to horizontally extend to the bottle opening, the rotating mechanism drives the cutting tool to rotate and cut the bottle opening, after trimming is completed, the lifting mechanism drives the plastic bottle to descend, the clamping mechanism releases the plastic bottle, and the conveying belt 3 (if provided) conveys the trimmed plastic bottle out of the equipment.

[0017] The trimming assembly 1 includes a hanging plate 6, a supporting block 7, a cylinder (a first cylinder 8 and a second cylinder 12), a rack 5, a first guide rod 11, a shaft 9, a blade 10 (and a sliding rail and a sliding block), the hanging plate 6 is fixedly hung below the top of the rack 4 and serves as a support basis of the trimming assembly 1, the hanging plate 6 has sufficient strength and stability to withstand various forces and vibrations generated during trimming, the supporting block 7 is arranged at the lower part of the hanging plate 6 and serves as a support, the supporting block 7 is internally designed with a complex mechanical structure to realize horizontal rotary cutting and horizontal reciprocating motion of the blade 10, the shaft 9 is symmetrically arranged inside the supporting block 7 and connected with the supporting block 7 through a bearing, the end of the shaft 9 is arranged with the blade 10 which is detachably connected with the end of the shaft 9, facilitating replacement and maintenance of the blade 10, the blade 10 is designed to ensure smoothness and accuracy of the bottle opening during cutting, the rack 5 and the first guide rod 11 are arranged at intervals inside the supporting block 7 and connected at both ends, one end of which is connected with the first cylinder 8 arranged on one side of the supporting block 7, the first cylinder 8 drives the rack 5 and the first guide rod 11 to reciprocate in the length direction of the supporting block 7, realizing rotary cutting operation of the blade 10, a gear is sleeved on the upper part of the shaft 9 and meshed with the rack 5, when the rack 5 reciprocates under the drive of the first cylinder 8, the gear rotates, thereby driving the blade 10 at the end of the shaft 9 to horizontally rotate and cut, the supporting block 7 is connected with the hanging plate 6 through the sliding rail and the sliding block, the sliding rail and the sliding block are designed to ensure stability and accuracy of the supporting block 7 during horizontal reciprocating motion, the sliding rail is arranged on the upper part of the hanging plate 6, the sliding block is arranged on the top of the supporting block 7 and matched with the sliding rail, the second cylinder 12 is arranged on the upper part of the hanging plate 6 and used to drive the supporting block 7 to horizontally reciprocate, when the second cylinder 12 works, the supporting block 7 reciprocates along the sliding rail by means of the sliding block, thereby changing the rotary cutting position of the blade 10, this design makes the trimming assembly 1 adapt to the positions of bottle openings of different models and sizes, improving the versatility and flexibility of the equipment.

[0018] In operation, first, the position of the support block 7 is adjusted according to the size of the plastic bottle, the second cylinder 12 drives the support block 7 to move horizontally back and forth along the slide rail until the blade 10 reaches the predetermined rotary cutting position, then the first cylinder 8 starts to work, drives the rack 5 and the first guide rod 11 to reciprocate inside the support block 7, the reciprocating movement of the rack 5 drives the shaft 9 to rotate through gear transmission, and then drives the blade 10 to perform horizontal rotary cutting operation, after cutting is completed, the second cylinder 12 works again to drive the support block 7 to return to the initial position, ready for the next plastic bottle trimming.

[0019] The positioning assembly 2 includes a supporting plate 17, a support plate 15, a cylinder (a third cylinder 18 and a fourth cylinder 14), a second guide rod 16, a clamping block 13 (and a slide rail and a slide block), the supporting plate 17 is fixedly arranged on the upper part of the rack 4 and corresponds to the hanging plate 6, serving as the support basis of the positioning assembly 2, the supporting plate 17 has sufficient strength and stability to bear the weight of the support plate 15, the clamping block 13 and the plastic bottle, the support plate 15 is arranged on the upper part of the supporting plate 17 and serves to support the plastic bottle, the design of the support plate 15 should ensure that the plastic bottle can remain stable during trimming and is not disturbed by external force, the third cylinder 18 is arranged at the central position of the lower part of the supporting plate 17 and is used to drive the support plate 15 to vertically ascend and descend, the working stroke of the third cylinder 18 can be adjusted according to the height change of the plastic bottle to adapt to plastic bottles of different sizes, the second guide rod 16 is arranged around the support plate 15 perpendicular to the surface of the supporting plate 17 and can vertically ascend and descend with the support plate 15, the design of the second guide rod 16 improves the stability of the support plate 15 during ascending and descending and prevents the support plate 15 from tilting or shaking during the ascending and descending process, the clamping block 13 is horizontally and symmetrically arranged on the upper part of the support plate 15 and is used to clamp the plastic bottle, the design of the clamping block 13 should ensure that the clamping force on the plastic bottle is moderate, neither damaging the plastic bottle nor guaranteeing the stability during trimming, the fourth cylinder 14 is arranged on one side of the support plate 15 and is connected with the clamping block 13, the fourth cylinder 14 drives the clamping block 13 to move horizontally to change the clamping distance between the clamping blocks 13, this design enables the positioning assembly 2 to adapt to plastic bottles of different diameters and improves the versatility of the equipment, the slide rail and the slide block are connected with the support plate 15 through the slide block and the slide rail, and the design of the slide rail and the slide block should ensure the stability and precision of the clamping block 13 during horizontal movement and prevent the clamping block 13 from deviating or shaking when clamping the plastic bottle.

[0020] In operation, first, the height of the support plate 15 is adjusted according to the size of the plastic bottle, the third cylinder 18 drives the support plate 15 to move vertically until the clamping blocks 13 on the upper part of the support plate 15 reach the predetermined clamping position, then the fourth cylinder 14 starts to work and drives the clamping blocks 13 to move horizontally to change the clamping distance between the clamping blocks 13 to adapt to plastic bottles of different diameters, after clamping, the trimming assembly 1 starts to trim the mouth of the plastic bottle, during trimming, the positioning assembly 2 keeps the plastic bottle stable to ensure the accuracy and smoothness of trimming, after trimming, the fourth cylinder 14 drives the clamping blocks 13 to return to the initial position to release the plastic bottle, and the third cylinder 18 works again to drive the support plate 15 to return to the initial height to prepare for the positioning and trimming of the next plastic bottle.

[0021] In use, first, the third cylinder 18 drives the support plate 15 to vertically ascend or descend on the supporting plate 17 to adjust to the appropriate height position according to the size of the plastic bottle to be trimmed, at the same time, the fourth cylinder 14 drives the clamping blocks 13 to move horizontally to adjust the distance between the clamping blocks 13 to adapt to the diameter of the plastic bottle, during the adjustment of the positioning assembly 2, the second cylinder 12 of the trimming assembly 1 is in standby state, ready to adjust the horizontal position of the support block 7 according to the position of the mouth of the plastic bottle, after the height of the support plate 15 and the distance between the clamping blocks 13 are adjusted, the fourth cylinder 14 drives the clamping blocks 13 to move towards the plastic bottle to firmly clamp it on the support plate 15, at this time, the plastic bottle is in a stable state, ready for mouth trimming, the second guide rod 16 provides stable support during the lifting and lowering of the support plate 15 to ensure that the plastic bottle does not shake or tilt during clamping and trimming, after the plastic bottle is stably clamped, the trimming assembly 1 starts to work, the second cylinder 12 drives the support block 7 to move horizontally back and forth along the slide rail to adjust the blade 10 to the accurate position of the mouth of the plastic bottle, then the first cylinder 8 starts to work to drive the rack 5 to move reciprocally inside the support block 7, the movement of the rack 5 drives the shaft 9 to rotate through gear transmission, and then drives the blade 10 to perform horizontal rotary cutting operation, the blade 10 accurately trims the mouth of the plastic bottle during rotation to ensure the smoothness and accuracy of the bottle mouth, through the adjustment of the second cylinder 12, the trimming assembly 1 can adapt to the position changes of the mouths of plastic bottles of different models to ensure the accuracy and consistency of trimming operation, after the bottle mouth trimming is completed, the first cylinder 8 stops working and the blade 10 stops rotating, the second cylinder 12 drives the support block 7 to return to the initial position to prepare for the trimming of the next plastic bottle, and the fourth cylinder 14 drives the clamping blocks 13 to move to the sides to release the plastic bottle, at this time, the trimmed plastic bottle can be taken off or conveyed to the next process through the conveying belt 3 (if provided).

[0022] In general, terminology can be understood at least in part from usage in context. For example, terms, such as "one or more" as used herein, can be taken to describe any feature, structure, or characteristic in the singular or can be taken to describe a combination of features, structures or characteristics in the plural sense. Similarly, terms, such as "a" or "an," as used herein can be taken to convey a singular usage or a plural usage, depending at least in part on context.

[0023] It will be readily understood that the terms "on," "above," and "over," in the present disclosure, are to be interpreted in the broadest context possible so that "on" means not only "directly on" but also includes the meaning of "on" with intervening features or layers therebetween, and "above" or "over" includes not only the meaning of "above" or "over" but also can include the meaning of "above" or "over" without intervening features or layers therebetween (i.e., directly on).

[0024] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0025] Finally, it should be noted that the above-described embodiments are merely intended to illustrate the technical solutions of the present application, but not to limit the same; even though the present application has been described in detail with reference to the above-described embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions recorded in the above-described embodiments, or equivalent replacements can be made to some or all of the technical features thereof; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A mouth trimming apparatus for plastic bottles comprising a frame, characterized in that: The top of the rack top is hung with a trimming assembly that uses horizontal expansion and rotary cutting to trim the bottle mouth, and the upper part of the rack is provided with a positioning assembly for horizontal clamping and vertical lifting of the plastic bottle, and the positioning assembly is vertically arranged corresponding to the trimming assembly.

2. The mouth trimming apparatus for plastic bottles according to claim 1, characterized by: The trimming assembly includes a hanging plate, a support block, a shaft rod, and a blade. The hanging plate is fixedly hung below the top of the rack. The support block is arranged at the lower part of the hanging plate to serve as a support. The shaft rod is symmetrically arranged inside the support block and connected to the support block through a bearing. The end of the shaft rod is provided with a blade that is detachably connected thereto.

3. The mouth trimming apparatus for plastic bottles according to claim 2, characterized by: The trimming assembly includes a rack, a first guide rod, and a first cylinder. The rack and the first guide rod are arranged inside the support block in an interval. The two ends of the rack and the first guide rod are respectively connected, one end of which is connected to the first cylinder arranged on one side of the support block.

4. The mouth trimming apparatus for plastic bottles according to claim 3, characterized by: The upper part of the shaft rod is provided with a gear that is meshed and connected with the rack.

5. The mouth trimming apparatus for plastic bottles according to claim 2, characterized by: The trimming assembly includes a second cylinder. The second cylinder is arranged on the upper part of the hanging plate and connected to the support block. The support block is connected to the hanging plate through a slide rail and a slide block.

6. The mouth trimming apparatus for plastic bottles according to claim 2, characterized by: The positioning assembly includes a support plate, a support plate, and a third cylinder. The support plate is fixedly arranged on the upper part of the rack. The support plate is arranged on the upper part of the support plate for supporting the plastic bottle. The third cylinder is arranged at the lower part of the support plate in the center position to drive the support plate to vertically lift.

7. The mouth trimming apparatus for plastic bottles according to claim 6, characterized by: The positioning assembly includes a second guide rod, a clamping block, and a fourth cylinder. The second guide rod is arranged around the support plate perpendicular to the surface of the support plate and can vertically lift with the support plate. The clamping block is horizontally and symmetrically arranged on the upper part of the support plate. The fourth cylinder is arranged on one side of the support plate and connected to the clamping block.

8. The mouth trimming apparatus for plastic bottles according to claim 6, characterized by: The support plate is arranged corresponding to the hanging plate.

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