Cap screwing machine

Abstract

The invention discloses a cap screwing machine, which relates to the field of packaging machinery, and comprises a rack, and a bottle body conveying assembly, a bottle cap preassembling assembly and a cap screwing assembly which are arranged on the rack, the bottle body conveying assembly is used for conveying bottle bodies and limiting rotation of the bottle bodies; the bottle cap preassembling assembly comprises a mounting base, a telescopic driving part, a position sensor and a bottle cap conveying line used for conveying bottle caps, and the mounting base is provided with a discharging hole which communicates with the output end of the bottle cap conveying line and allows the bottle caps to pre-cover bottle openings after the bottle caps fall from the discharging hole. When the output end of the telescopic driving part extends out, the bottle cap at the blanking hole can be pressed down and pre-covers the bottle opening, and the position sensor is electrically connected with the telescopic driving part and is used for detecting the position of the bottle opening; the cap screwing assembly comprises a first conveying belt and a second conveying belt which are oppositely arranged in parallel and opposite in conveying direction, and the first conveying belt and the second conveying belt abut against the two sides of the bottle caps in a rolling mode so as to rotate the bottle caps. The cap screwing machine has the effects that the cap screwing steps of the cap screwing machine are simplified, and the cap screwing efficiency and the yield are improved.

Description

Technical Field

[0001] The present application relates to the technical field of packaging machinery, and in particular to a capping machine. Background Art

[0002] At present, in the daily chemical, food, medicine and other industries, the capping machine is a device that can screw the bottle cap onto the bottle. The capping machine generally includes a frame, a power transmission device and a capping assembly. The capping assembly has a rotating part. The power device drives the rotating part to rotate, and the bottle cap is stuck in the clamping head of the rotating part. As the rotating part rotates, the bottle cap is tightened onto the bottle.

[0003] In the related art, a Chinese patent with announcement number CN112960635A discloses a filling and capping machine, including a conveying device arranged on a base, the base including a first support frame and a second support frame arranged on the top of the base in sequence, the first support frame is provided with a filling device, and the second support frame is provided with a capping device; the filling device includes a first positioning mechanism arranged near the bottom end of the first support frame, a lifting mechanism arranged on the top of the first support frame and a canning mechanism connected to the lifting mechanism; the capping device includes a capping mechanism arranged on the second support frame, a cover mechanism arranged on the top of the second support frame and a second positioning mechanism arranged above the base; the conveying device includes a conveyor belt for conveying bottles, limit rods arranged at intervals on both sides of the conveying device and a limit plate fixedly connected to the limit rod, the limit plate extending to the second positioning mechanism has an inclined guide port.

[0004] However, in the above-mentioned related technologies, when screwing the caps, the bottles on the conveyor belt need to be stationary first, the rotating mechanism clamps the bottle caps and moves them to the top of the bottle mouth, and then the bottle caps are screwed to the bottle mouth, and then the rotating mechanism is separated from the bottle mouth, and the conveyor belt conveys the screwed bottles. The process has the problems of complicated screwing steps, low efficiency, and the screwing force of each bottle cap cannot be guaranteed to be consistent, resulting in the problem of low yield rate due to the bottle caps being too tight or too loose. Summary of the invention

[0005] In order to simplify the capping steps of a capping machine and improve the capping efficiency and yield rate, the present application provides a capping machine.

[0006] The present application provides a capping machine that adopts the following technical solution: A capping machine, comprising: frame; A bottle conveying assembly is arranged on the frame and is used to convey the bottle, and the bottle conveying assembly can limit the rotation of the bottle; A bottle cap pre-installation assembly is arranged on a frame, and comprises a mounting seat, a telescopic driving member, a position sensor and a bottle cap conveying line for conveying bottle caps, wherein the mounting seat is located above the bottle body conveying assembly, and a drop hole is provided on the mounting seat, which is connected with the output end of the bottle cap conveying line and can be used for the bottle cap to fall from the drop hole and be pre-capped to the bottle mouth, and a spring pin is provided on the mounting seat for preventing the bottle cap from freely falling from the drop hole, the telescopic driving member is arranged above the mounting seat and the output end of the telescopic driving member faces the drop hole, and when the output end of the telescopic driving member is extended, the bottle cap at the drop hole can be pressed down and pre-capped to the bottle mouth, and the position sensor is electrically connected to the telescopic driving member and the position sensor is used to detect the position of the bottle mouth; The capping assembly is arranged on the frame and located above the bottle body conveying assembly, and includes a first conveyor belt and a second conveyor belt which are arranged relatively parallel. The conveying directions of the first conveyor belt and the second conveyor belt are opposite. A capping channel for conveying bottle caps is formed between the first conveyor belt and the second conveyor belt. When the bottle cap passes through the capping channel, the first conveyor belt and the second conveyor belt respectively roll and abut against two sides of the bottle cap to rotate the bottle cap to cover the bottle mouth. When the bottle cap and the bottle mouth are completely screwed together, the bottom heights of the first conveyor belt and the second conveyor belt are higher than the top height of the bottle cap.

[0007] By adopting the above technical scheme, automatic pre-installation and precise capping of bottle caps are realized, which not only simplifies the capping process and improves production efficiency, but also ensures the stability and consistency of bottle capping, thereby significantly improving the yield rate of products; specifically, the bottle body conveying assembly can ensure that the bottle body remains stable and motionless during the conveying process, avoiding the problem of capping failure caused by the rotation of the bottle body in traditional capping machines; the bottle cap pre-installation assembly accurately locates the position of the bottle mouth through the position sensor, and uses the telescopic drive member to pre-cap the bottle cap to the bottle mouth, thereby ensuring the accuracy and consistency of subsequent capping operations; the design of the capping assembly enables the bottle cap to always be screwed to the predetermined position when passing through the capping channel before finishing the capping, effectively avoiding the situation where the bottle cap is too tight or too loose, thereby greatly improving the yield rate of products; at the same time, the entire capping process does not require pauses, greatly improving production efficiency.

[0008] Optionally, the bottle body conveying assembly includes a bottle body conveying line and a limiting assembly arranged on a frame, the bottle body conveying line is used to convey the bottle bodies, the limiting assembly is located above the bottle body conveying line, the limiting assembly includes a third conveyor belt and a fourth conveyor belt arranged relatively parallel, the third conveyor belt and the fourth conveyor belt have the same conveying direction and conveying speed as the bottle body conveying line, a conveying channel for conveying the bottle bodies is formed between the third conveyor belt and the fourth conveyor belt, and when the bottle body passes through the conveying channel, the third conveyor belt and the fourth conveyor belt respectively abut against both sides of the bottle body to position the bottle body and limit the rotation of the bottle body.

[0009] By adopting the above technical solution, the bottle conveying assembly can effectively convey the bottle to the right place, and accurately position and limit the rotation of the bottle through the conveying channel formed by the third conveyor belt and the fourth conveyor belt, ensuring that the bottle cap can be accurately screwed on the bottle mouth during the capping process, thereby improving the accuracy and stability of the capping. At the same time, the design of the conveying channel prevents the bottle from deviating during the conveying process, further improving the working efficiency and yield rate of the capping machine.

[0010] Optionally, a guide groove for the bottle cap to slide is provided on one side of the mounting seat close to the bottle body conveying assembly, one end of the guide groove is connected to the drop hole, and the other end is connected to the input end of the screw cap channel. The guide groove is used to prevent the bottle cap from tipping over when being conveyed from the drop hole to the screw cap channel.

[0011] By adopting the above technical solution, the design of the guide groove not only ensures the stability of the bottle cap during the transportation from the drop hole to the capping channel, but also effectively avoids the jamming problem of the bottle cap caused by tipping over, thereby improving the smoothness and reliability of the entire capping process.

[0012] Optionally, the input end of the conveying channel is flared, and when the bottle body conveyor line conveys the bottle body, the bottle body first enters the conveying channel and abuts against the third conveyor belt and the fourth conveyor belt, and the bottle mouth then passes through the drop hole, the guide groove and the capping channel in sequence.

[0013] By adopting the above technical solution, when the bottle conveyor line conveys the bottle, the bottle will first enter the conveying channel and abut against the third conveyor belt and the fourth conveyor belt to ensure the stability and precise positioning of the bottle during the conveying process. The bottle mouth passes through the drop hole, the guide groove and the capping channel in sequence, which effectively avoids the tipping and misalignment of the bottle cap during the transmission process, and improves the success rate and production efficiency of the capping. At the same time, the flared conveying channel input end helps the bottle body enter the conveying channel more smoothly, reducing the jamming problem caused by improper bottle alignment.

[0014] Optionally, it also includes a first adjustment component installed on the frame, the first adjustment component includes a first slide rail and a first slide seat, the first slide rail is installed on the frame and the extension direction of the first slide rail is perpendicular to the horizontal plane, the first slide seat is slidably engaged in the first slide rail, and the rotating cover assembly, the mounting seat and the telescopic drive member are installed on the first slide seat.

[0015] By adopting the above technical solution, the first adjustment component enables the capping component, the mounting seat and the telescopic drive member to be adjusted in the vertical direction, so as to adapt to bottles of different heights, thereby improving the use range and flexibility of the equipment. At the same time, this adjustment method is simple and reliable, which is convenient for operators to adjust quickly and further improves production efficiency.

[0016] Optionally, it also includes a second adjustment component installed on the frame, the second adjustment component includes a second slide rail installed on the frame and a second slide seat and a third slide seat slidably arranged in the second slide rail, the second slide rail is installed on the frame, the extension direction of the second slide rail is parallel to the horizontal plane and perpendicular to the extension direction of the screw cap channel, and the third conveyor belt and the fourth conveyor belt are respectively installed on the second slide seat and the third slide seat.

[0017] By adopting the above technical solution, the spacing between the third conveyor belt and the fourth conveyor belt is adjustable, so that the equipment can adapt to bottles of different specifications, improving the versatility and flexibility of the equipment. At the same time, by adjusting the positions of the third conveyor belt and the fourth conveyor belt, the clamping force on the bottle body can be more accurately controlled to ensure stable transmission of the bottle body, further improving the stability of the capping process.

[0018] Optionally, the second adjustment assembly further includes a third slide rail and a fourth slide rail, wherein the third slide rail and the fourth slide rail are respectively installed on the second slide seat and the third slide seat perpendicular to the horizontal plane, and the third conveyor belt and the fourth conveyor belt are respectively slidably arranged on the third slide rail and the fourth slide rail.

[0019] By adopting the above technical solution, the third conveyor belt and the fourth conveyor belt can be adjusted in the vertical direction to adapt to bottles of different heights. Specifically, when it is necessary to process higher or lower bottles, the height of the third slide rail and the fourth slide rail can be adjusted to ensure that the third conveyor belt and the fourth conveyor belt can accurately abut against both sides of the bottle body, thereby achieving effective positioning and stable conveying of the bottle body. This not only expands the scope of use of the equipment, but also ensures the reliability and consistency of the capping process, further improving production efficiency and product quality.

[0020] Optionally, it also includes a visual inspection device installed on the frame, which is arranged at the output end of the capping channel and is used to detect whether there is a bottle cap on the bottle mouth. When the visual inspection device detects that there is no bottle cap on the bottle mouth, it will send information to prompt manual further processing.

[0021] By adopting the above technical solution, it is possible to automatically detect whether the bottle mouth is correctly closed after the bottle cap is screwed on. When the visual inspection device detects that the bottle mouth is not closed with the bottle cap, it will send information to prompt manual further processing, thereby avoiding uncapped or poorly capped products from entering the subsequent processes, thereby improving the degree of automation of the production process and the product quality control capability.

[0022] Optionally, the input end of the bottle cap conveying line is connected to a bottle cap sorting machine.

[0023] By adopting the above technical solution, the input end of the bottle cap conveyor line is connected to the bottle cap sorting machine, which can realize automatic screening and sorting of the bottle caps, ensuring the consistency of the quality of the bottle caps entering the capping machine, thereby further improving the stability and yield rate of the capping process; at the same time, the use of the sorting machine can also effectively reduce manual intervention and improve the automation level and work efficiency of the entire production process.

[0024] Optionally, the first conveyor belt and the second conveyor belt are made of rubber, and a buffer gasket is provided at the output end of the telescopic drive component.

[0025] By adopting the above technical solution, the first conveyor belt and the second conveyor belt are made of rubber material to increase friction, ensure stable rotation of the bottle cap during the capping process, reduce slippage, and thus improve the reliability and yield rate of the capping. At the same time, a buffer gasket is provided at the output end of the telescopic drive member, which can effectively absorb the impact force when pre-capping the bottle cap, avoiding damage or deformation of the bottle cap due to sudden excessive force, and further improving the service life and stability of the equipment.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. It realizes automatic pre-installation and precise capping of bottle caps, which not only simplifies the capping process and improves production efficiency, but also ensures the stability and consistency of bottle capping, thereby significantly improving the yield rate of products; specifically, the bottle body conveying assembly can ensure that the bottle body remains stable and motionless during the conveying process, avoiding the problem of capping failure caused by the rotation of the bottle body in traditional capping machines; the bottle cap pre-installation assembly accurately locates the position of the bottle mouth through the position sensor, and uses the telescopic drive member to pre-cap the bottle cap to the bottle mouth, ensuring the accuracy and consistency of subsequent capping operations; the design of the capping assembly enables the bottle cap to always be screwed to the predetermined position when passing through the capping channel before the capping is completed, effectively avoiding the situation that the bottle cap is too tight or too loose, thereby greatly improving the yield rate of products; at the same time, the entire capping process does not require pauses, greatly improving production efficiency.

[0027] 2. The bottle conveying assembly can effectively convey the bottle to the right position, and accurately position and limit the rotation of the bottle through the conveying channel formed by the third conveyor belt and the fourth conveyor belt, ensuring that the bottle cap can be accurately screwed on the bottle mouth during the capping process, thereby improving the accuracy and stability of the capping. At the same time, the design of the conveying channel prevents the bottle from deflecting during the conveying process, further improving the working efficiency and yield rate of the capping machine.

[0028] 3. When the bottle conveyor line conveys the bottle, the bottle first enters the conveying channel and contacts the third and fourth conveyor belts to ensure the stability and precise positioning of the bottle during the conveying process. The bottle mouth passes through the drop hole, guide groove and capping channel in sequence, which effectively avoids the tipping and misalignment of the bottle cap during the transmission process, and improves the success rate and production efficiency of capping. At the same time, the flared conveying channel input end helps the bottle enter the conveying channel more smoothly, reducing the jamming problem caused by improper bottle alignment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the capping machine in the embodiment of the present application.

[0030] Figure 2 It is a schematic diagram of the internal structure of the capping machine in the embodiment of the present application.

[0031] Figure 3 yes Figure 2 A partial enlarged view of part A.

[0032] Figure 4 Mainly display the capping assembly and the first adjustment assembly.

[0033] Figure 5 Mainly displays the limit assembly and the second adjustment assembly.

[0034] Explanation of the reference numerals: 100, bottle body; 101, bottle mouth; 200, bottle cap; 1, rack; 2, bottle body conveying assembly; 21, bottle body conveying line; 22, limit assembly; 221, third conveyor belt; 222, fourth conveyor belt; 223, conveying channel; 3, bottle cap pre-installation assembly; 31, mounting seat; 311, drop hole; 312, spring pin; 313, guide groove; 32, telescopic drive member; 33, position sensor; 34, bottle cap conveying line; 4, screw cap assembly; 41, first conveyor belt; 42, second conveyor belt; 43, screw cap channel; 5, first adjusting assembly; 51, first slide rail; 52, first slide seat; 6, second adjusting assembly; 61, second slide rail; 62, second slide seat; 63, third slide seat; 64, third slide rail; 65, fourth slide rail; 7, visual inspection device; 8, bottle cap sorting machine; 9, buffer gasket. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-5 This application is described in further detail.

[0036] The embodiment of the present application discloses a capping machine.

[0037] Reference Figure 1 The capping machine comprises a frame 1, a bottle conveying assembly 2, a bottle cap pre-assembly assembly 3, a capping assembly 4, and a first adjusting assembly 5 and a second adjusting assembly 6 arranged on the frame 1.

[0038] In this embodiment, the bottle body conveying assembly 2 is used to convey the bottle body 100. The bottle body conveying assembly 2 includes a bottle body conveying line 21 and a limiting assembly 22. The bottle body conveying line 21 crosses the frame 1. The bottle body conveying line 21 is an existing mature technology and will not be described in detail here. The bottle body conveying line 21 uses a belt conveyor.

[0039] The limiting assembly 22 is arranged on the frame 1 and is located above the bottle body conveyor line 21. The limiting assembly 22 includes a third conveyor belt 221 and a fourth conveyor belt 222 which are relatively parallelly installed on the second limiting assembly 22. The rolling surfaces of the third conveyor belt 221 and the fourth conveyor belt 222 are perpendicular to the horizontal plane, and the conveying direction and conveying speed of the third conveyor belt 221 and the fourth conveyor belt 222 are the same as those of the bottle body conveyor line 21.

[0040] A conveying channel 223 for conveying the bottle body 100 is formed between the third conveyor belt 221 and the fourth conveyor belt 222. The input end of the conveying channel 223 is expanded to facilitate the bottle body 100 to enter the conveying channel 223. When the bottle body 100 passes through the conveying channel 223, the third conveyor belt 221 and the fourth conveyor belt 222 respectively abut against both sides of the bottle body 100 to position the bottle body 100 and limit the rotation of the bottle body 100. The third conveyor belt 221 and the fourth conveyor belt 222 are both made of rubber material to prevent the bottle body 100 from sliding when abutting against the bottle body 100. In other embodiments, the bottle body conveying line 21 can also flexibly select a chain conveyor or a roller conveyor according to the type of the bottle body 100; the third conveyor belt 221 and the fourth conveyor belt 222 can also be made of fabric or silicone.

[0041] Reference Figure 2 and Figure 3 In this embodiment, the bottle cap pre-installation component 3 includes a mounting seat 31 mounted on the first adjustment component 5, a telescopic driving member 32, a position sensor 33 and a bottle cap conveying line 34 for conveying bottle caps 200; the bottle cap conveying line 34 can select one of a belt conveyor, a roller conveyor or a chain conveyor; the mounting seat 31 is located above the bottle body conveying component 2, and a drop hole 311 is opened on the mounting seat 31, which runs through the upper and lower surfaces of the mounting seat 31 and is perpendicular to the horizontal plane. The drop hole 311 is connected to the output end of the bottle cap conveying line 34 and can be used for the bottle cap 200 to fall from it and pre-capped to the bottle mouth 101.

[0042] The mounting seat 31 is located at the connection point between the drop hole 311 and the output end of the bottle cap conveyor line 34 and is provided with a spring pin 312 for preventing the bottle cap 200 from freely falling from the drop hole 311. There are four spring pins 312, which are equidistantly arranged on the same horizontal plane around the inner wall of the drop hole 311.

[0043] The telescopic drive member 32 is located above the mounting seat 31. The telescopic drive member 32 can be selected from one of an electric push rod, a pneumatic push rod or a hydraulic push rod. The output end of the telescopic drive member 32 faces the blanking hole 311 and the output end is coaxial with the blanking hole 311. The position sensor 33 is used to detect the position of the bottle mouth 101. A photoelectric sensor or a proximity switch can be selected. The position sensor 33 is electrically connected to the telescopic drive member 32. When the position sensor 33 detects that the bottle mouth 101 is located below the blanking hole 311 and meets the condition of pre-installing the bottle cap 200, the position sensor 33 outputs a signal to the telescopic drive member 32, and the output end of the telescopic drive member 32 extends to accurately press the bottle cap 200 located above the spring pin 312 in the blanking hole 311 down to cover the bottle mouth 101. In other embodiments, the position sensor 33 can also be directly mounted on the frame 1; the number of spring pins 312 can be adjusted as needed.

[0044] Preferably, the input end of the bottle cap conveyor line 34 is connected to a bottle cap sorting machine 8 to continuously convey the bottle caps 200 placed in the forward direction into the bottle cap conveyor line 34. The bottle cap sorting machine 8 is an existing mature technology and will not be described in detail here.

[0045] Reference Figure 2 and Figure 3 In this embodiment, the capping assembly 4 is located above the bottle body conveying assembly 2, and the capping assembly 4 includes a first conveyor belt 41 and a second conveyor belt 42 which are relatively parallelly installed on the first limiting assembly 22, and the rolling surfaces of the first conveyor belt 41 and the second conveyor belt 42 are perpendicular to the horizontal plane, and the conveying speeds of the first conveyor belt 41 and the second conveyor belt 42 are the same and both are greater than the conveying speed of the bottle body conveying line 21, and the conveying directions of the first conveyor belt 41 and the second conveyor belt 42 are opposite.

[0046] A capping channel 43 is formed between the first conveyor belt 41 and the second conveyor belt 42 for conveying the bottle cap 200. When the bottle cap 200 passes through the capping channel 43, the input end of the capping channel 43 is expanded to facilitate the bottle cap 200 to enter the capping channel 43 better. The first conveyor belt 41 and the second conveyor belt 42 respectively roll and abut against both sides of the bottle cap 200 to rotate the bottle cap 200 to cover the bottle mouth 101. The first conveyor belt 41 and the second conveyor belt 42 are both made of rubber to prevent the bottle cap 200 from sliding when abutting against the bottle cap 200. In other embodiments, the first conveyor belt 41 and the second conveyor belt 42 can also be made of fabric or silicone material, and convex ridge structures can also be set on the abutting surfaces of the first conveyor belt 41 and the second conveyor belt 42 and the bottle cap 200 to increase friction.

[0047] It should be emphasized that the bottle cap 200 is threadedly connected to the bottle mouth 101, and the overall position of the bottle cap 200 will continue to drop during the screwing process. When the bottle cap 200 is completely screwed with the bottle mouth 101, the bottle cap 200 drops to a height at the bottom of the first conveyor belt 41 and the second conveyor belt 42 that is higher than the height of the top of the bottle cap 200.

[0048] Reference Figure 2 and Figure 3 In this embodiment, a guide groove 313 for the bottle cap 200 to slide is provided on one side of the mounting seat 31 close to the bottle conveying assembly 2. The extending direction of the guide groove 313 is parallel to the capping channel 43. One end of the guide groove 313 is connected to the blanking hole 311, and the other end is connected to the input end of the capping channel 43. The groove width of the guide groove 313 is slightly larger than the diameter of the bottle cap 200, so as to prevent the bottle cap 200 from tipping over when being conveyed from the blanking hole 311 to the capping channel 43, while enabling the bottle cap 200 to slide smoothly in the guide groove 313. In other embodiments, the guide groove 313 can also be set to be curved; the blanking hole 311 can also be directly connected to the input end of the capping channel 43, without the need for the design of the guide groove 313.

[0049] Preferably, when the bottle body conveyor line 21 conveys the bottle body 100, the bottle body 100 first enters the conveying channel 223, and the two side walls of the bottle body 100 abut against the third conveyor belt 221 and the fourth conveyor belt 222 to position the bottle body 100, and then the bottle mouth 101 passes through the drop hole 311, the guide groove 313 and the screw cap channel 43 in sequence.

[0050] Reference Figure 4 In this embodiment, the first adjustment assembly 5 includes a first slide rail 51 and a first slide seat 52; one end of the first slide rail 51 is installed on the frame 1 by bolts, and the other end extends in a direction away from the frame 1, and the extension direction of the first slide rail 51 is perpendicular to the horizontal plane; the first slide seat 52 is slidably arranged on the first slide rail 51, and the first conveyor belt 41 and the second conveyor belt 42 are installed on the first slide seat 52; the end of the first slide rail 51 away from the frame 1 is rotatably connected to the first screw rod, and the first screw rod is threadedly connected to the first slide seat 52; by rotating the first screw rod, the position of the first slide seat 52 on the first slide rail 51 can be adjusted, so as to achieve the effect of adjusting the height of the first conveyor belt 41 and the second conveyor belt 42. In other embodiments, the position of the first slide seat 52 on the first slide rail 51 can also be adjusted by arranging a gear motor on the first slide seat 52 and arranging a rack on the first slide rail 51.

[0051] Reference Figure 1 and Figure 5In this embodiment, the second adjustment component 6 includes a second slide rail 61, a second slide seat 62, a third slide seat 63, a third slide rail 64 and a fourth slide rail 65; the second slide rail 61 is installed on the frame 1 by bolts, and the extension direction of the second slide rail 61 is parallel to the horizontal plane and perpendicular to the extension direction of the rotary cover channel 43; the second slide seat 62 and the third slide seat 63 are slidably arranged on the second slide rail 61, and the second slide rail 61 is rotatably connected with a second screw rod and a third screw rod, the second screw rod and the third screw rod are coaxially connected and have the same thread parameters but opposite rotation directions, the second screw rod and the third screw rod are threadedly connected to the second slide seat 62 and the third slide seat 63 respectively, and the second slide seat 62 and the third slide seat 63 can be moved closer to or away from each other by rotating the second screw rod or the third screw rod.

[0052] Reference Figure 5 One end of the third slide rail 64 is connected to the second slide seat 62, and the other end extends in a direction away from the second slide seat 62, and the extension direction of the third slide rail 64 is perpendicular to the horizontal plane. The third conveyor belt 221 is slidably set on the second slide seat 62, and the end of the third slide rail 64 away from the second slide seat 62 is rotatably connected to the third screw rod, and the third screw rod is threadedly connected to the third conveyor belt 221. By rotating the third screw rod, the height of the third conveyor belt 221 on the third slide rail 64 can be adjusted.

[0053] Reference Figure 5 One end of the fourth slide rail 65 is connected to the third slide seat 63, and the other end extends in a direction away from the third slide seat 63, and the extension direction of the fourth slide rail 65 is perpendicular to the horizontal plane. The fourth conveyor belt 222 is slidably set on the third slide seat 63, and the end of the fourth slide rail 65 away from the third slide seat 63 is rotatably connected to the fourth screw rod, and the fourth screw rod is threadedly connected to the fourth conveyor belt 222. By rotating the fourth screw rod, the height of the fourth conveyor belt 222 on the fourth slide rail 65 can be adjusted.

[0054] It should be emphasized that, in this embodiment, the technology of adjusting the position of the slide seat on the slide rail by using a screw rod is an existing mature technology, so it will not be described in detail.

[0055] Reference Figure 2 Preferably, the capping machine also includes a visual inspection device 7, which includes a camera and an image processing system. The camera is installed on the first slide 52 and is located above the bottle body conveyor line 21. The camera shoots an image of the bottle mouth 101 in the direction of the bottle mouth 101. The image processing system is used to analyze the image taken by the camera to determine whether the bottle body 100 is qualified. If the bottle body 100 does not meet the standard, the image processing system will send a signal to the control system to prompt manual processing; the camera can use a high-resolution industrial camera, and the image processing system can use a high-performance computer processor to ensure the accuracy of the detection result.

[0056] The implementation principle of a capping machine in the embodiment of the present application is as follows: the bottle body 100 is conveyed to a specified position by the bottle body conveying assembly 2, and the bottle body 100 is fixed by the limiting assembly 22 to prevent it from rotating; the bottle cap pre-installing assembly 3 is responsible for pre-capping the bottle cap 200 to the bottle mouth 101 to ensure that the bottle cap 200 can accurately fall on the bottle mouth 101; the guide groove 313 and the flared conveying channel 223 design can ensure the smooth conveyance of the bottle cap 200 and the bottle body 100 to avoid the failure of capping due to jamming or tipping; the capping assembly 4 is driven by the first conveyor belt 41 and the second conveyor belt 42 The bottle cap 200 is screwed onto the bottle mouth 101 by relative movement; the first adjustment component 5 can uniformly and flexibly adjust the height of the cap screwing component 4, the mounting seat 31 and the telescopic driving member 32 to adapt to bottles 100 of different heights; the second adjustment component 6 can flexibly adjust the spacing and height of the third conveyor belt 221 and the fourth conveyor belt 222 to adapt to bottles 100 of different heights and diameters, thereby improving the versatility and flexibility of the equipment; the visual inspection device 7 can detect whether there are bottles 100 with missing caps, ensuring that each bottle cap 200 can be accurately screwed onto the bottle mouth 101. The whole process has a high degree of automation, which greatly simplifies the cap screwing steps and improves the cap screwing efficiency and yield rate.

[0057] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A capping machine, characterized in that: include: Rack(1); A bottle body conveying assembly (2) is arranged on the frame (1) and is used to convey the bottle body (100); the bottle body conveying assembly (2) is capable of limiting the rotation of the bottle body (100); A bottle cap pre-installation assembly (3) is arranged on a frame (1), comprising a mounting seat (31), a telescopic driving member (32), a position sensor (33), and a bottle cap conveying line (34) for conveying bottle caps (200), wherein the mounting seat (31) is located above the bottle conveying assembly (2), and the mounting seat (31) is provided with a drop hole (311) which is connected to an output end of the bottle cap conveying line (34) and through which the bottle cap (200) can fall and be pre-capped onto the bottle mouth (101), and the mounting seat (31) is provided with a position sensor for preventing the bottle cap ( 200) a spring pin (312) that freely falls from the drop hole (311), the telescopic driving member (32) is arranged above the mounting seat (31) and the output end of the telescopic driving member (32) faces the drop hole (311), when the output end of the telescopic driving member (32) extends out, the bottle cap (200) at the drop hole (311) can be pressed down and pre-covered on the bottle mouth (101), the position sensor (33) is electrically connected to the telescopic driving member (32) and the position sensor (33) is used to detect the position of the bottle mouth (101); The capping assembly (4) is arranged on the frame (1) and located above the bottle body conveying assembly (2), and comprises a first conveying belt (41) and a second conveying belt (42) which are arranged in parallel with each other. The conveying directions of the first conveying belt (41) and the second conveying belt (42) are opposite. A capping channel (43) for conveying the bottle cap (200) is formed between the first conveying belt (41) and the second conveying belt (42). When the bottle cap (200) passes through the capping channel (43), the first conveying belt (41) and the second conveying belt (42) respectively roll against two sides of the bottle cap (200) to rotate the bottle cap (200) to cover the bottle mouth (101). When the bottle cap (200) is completely screwed together with the bottle mouth (101), the bottom heights of the first conveying belt (41) and the second conveying belt (42) are higher than the top heights of the bottle cap (200).

2. A capping machine according to claim 1, characterized in that: The bottle conveying assembly (2) comprises a bottle conveying line (21) and a limiting assembly (22) arranged on a frame (1); the bottle conveying line (21) is used to convey bottle bodies (100); the limiting assembly (22) is located above the bottle conveying line (21); the limiting assembly (22) comprises a third conveying belt (221) and a fourth conveying belt (222) arranged relatively parallel to each other; the conveying direction and conveying speed of the third conveying belt (221) and the fourth conveying belt (222) are the same as those of the bottle conveying line (21); a conveying channel (223) for conveying the bottle body (100) is formed between the third conveying belt (221) and the fourth conveying belt (222); when the bottle body (100) passes through the conveying channel (223), the third conveying belt (221) and the fourth conveying belt (222) respectively abut against two sides of the bottle body (100) to position the bottle body (100) and limit the rotation of the bottle body (100).

3. A capping machine according to claim 2, characterized in that: A guide groove (313) for the bottle cap (200) to slide therein is provided on one side of the mounting seat (31) close to the bottle body conveying assembly (2); one end of the guide groove (313) is connected to the material drop hole (311), and the other end is connected to the input end of the cap screwing channel (43); the guide groove (313) is used to prevent the bottle cap (200) from tipping over when being conveyed from the material drop hole (311) to the cap screwing channel (43).

4. A capping machine according to claim 3, characterized in that: The input end of the conveying channel (223) is in a flared shape. When the bottle body conveying line (21) conveys the bottle body (100), the bottle body (100) first enters the conveying channel (223) and abuts against the third conveyor belt (221) and the fourth conveyor belt (222). The bottle mouth (101) then passes through the drop hole (311), the guide groove (313) and the capping channel (43) in sequence.

5. The capping machine according to claim 2, characterized in that: The invention also comprises a first adjustment component (5) mounted on the frame (1), the first adjustment component (5) comprising a first slide rail (51) and a first slide seat (52), the first slide rail (51) being mounted on the frame (1) and the extension direction of the first slide rail (51) being perpendicular to a horizontal plane, the first slide seat (52) being slidably engaged in the first slide rail (51), and the rotary cover component (4), the mounting seat (31) and the telescopic driving member (32) being mounted on the first slide seat (52).

6. A capping machine according to claim 2, characterized in that: The machine also comprises a second adjustment assembly (6) mounted on the frame (1), the second adjustment assembly (6) comprising a second slide rail (61) mounted on the frame (1) and a second slide seat (62) and a third slide seat (63) slidably arranged in the second slide rail (61), the second slide rail (61) being mounted on the frame (1), the extension direction of the second slide rail (61) being parallel to a horizontal plane and perpendicular to the extension direction of the capping channel (43), and the third conveyor belt (221) and the fourth conveyor belt (222) being mounted on the second slide seat (62) and the third slide seat (63), respectively.

7. A capping machine according to claim 6, characterized in that: The second adjustment assembly (6) further comprises a third slide rail (64) and a fourth slide rail (65), wherein the third slide rail (64) and the fourth slide rail (65) are respectively mounted on the second slide seat (62) and the third slide seat (63) perpendicular to the horizontal plane, and the third conveyor belt (221) and the fourth conveyor belt (222) are respectively slidably mounted on the third slide rail (64) and the fourth slide rail (65).

8. The capping machine according to claim 1, characterized in that: The machine also includes a visual inspection device (7) mounted on the frame (1), the visual inspection device (7) being arranged at the output end of the capping channel (43), and the visual inspection device (7) being used to detect whether a bottle cap (200) is closed at the bottle mouth (101), and when the visual inspection device (7) detects that no bottle cap (200) is closed at the bottle mouth (101), a message is sent to prompt a human to perform further processing.

9. The capping machine according to claim 1, characterized in that: The input end of the bottle cap conveying line (34) is connected to a bottle cap sorting machine (8).

10. The capping machine according to claim 1, characterized in that: The first conveyor belt (41) and the second conveyor belt (42) are made of rubber material, and a buffer pad (9) is provided at the output end of the telescopic driving member (32).

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