Intelligent bottle cap puncher

Abstract

The utility model discloses an intelligent bottle cap puncher, including processing platform, and install bottle cap feeding mechanism, bottle cap directional screen separation mechanism and punch mechanism on processing platform. Bottle cap feeding mechanism includes storage box and feeding assembly. Feeding assembly is used for outputing the bottle cap of being processed in storage box to bottle cap directional screen separation mechanism one by one. Bottle cap directional screen separation mechanism is used for outputing the bottle cap of being processed to punch mechanism according to the same orientation. The utility model discloses the outer ring of punch cutter is sheathed by setting the mounting sleeve of suction duct bottom on cutter assembly, and the side is provided with the suction end of communicating with pipeline main body, so that when punch operation, the debris generated by punching can be sucked to the waste bag outside through suction duct in time, and the subsequent manual cleaning of debris is avoided, thereby the production process of bottle cap is simplified, and the production efficiency of bottle cap is improved.

Description

Technical Field

[0001] This utility model belongs to the field of punching machine technology, specifically relating to an intelligent bottle cap punching machine. Background Technology

[0002] In the existing technology, plastic caps are a common packaging form for bottles, cans, and barrels, especially in the beverage, chemical, and pharmaceutical industries. Depending on the application scenario, plastic caps need to have holes processed in their top walls. For example, when the packaging requires the internal liquid to flow out, holes need to be drilled in the top wall of the plastic cap to form a through cap with flow holes.

[0003] Chinese patent publication number "CN211640196U" discloses a special punching device for two-way caps, including a base, two fixed seats disposed on the base, a fixed plate disposed on the top wall of the base, and two clamping members slidably disposed on the fixed plate. The two clamping members are disposed opposite to each other. At least one support member for supporting a support block is detachably connected to the top wall of the fixed plate. The support member is located between the two clamping members. The fixed seat is provided with a punching machine for punching holes in the two-way caps.

[0004] The existing technology described above has the following drawbacks: the punching device clamps the bottle cap being processed using two clamping members and moves the bottle cap closer to or away from the punching machine using a sliding assembly. During the punching process, when the punching machine completes the punching operation on the bottle cap, the resulting debris will remain on the bottle cap and needs to be cleaned manually, thus increasing the production steps and reducing production efficiency. Utility Model Content

[0005] To overcome the shortcomings of existing technology, this utility model provides an intelligent bottle cap punching machine to solve the technical problem that it is difficult to clean up debris simultaneously during bottle cap punching operations.

[0006] To achieve the above objectives, the specific technical solution of this utility model is as follows: A smart bottle cap punching machine includes a processing table, and a bottle cap feeding mechanism, a bottle cap orientation screening mechanism, and a punching mechanism installed on the processing table.

[0007] The bottle cap feeding mechanism includes a storage box and a feeding assembly. The feeding assembly is used to output the processed bottle caps one by one from the storage box to the bottle cap orientation and sorting mechanism.

[0008] The bottle cap orientation screening mechanism is used to output the input bottle caps to be processed to the punching mechanism with the same orientation.

[0009] The punching mechanism includes a bottle cap conveying assembly, a limiting clamping assembly, and a bottle cap punching assembly. The bottle cap conveying assembly receives the bottle caps to be processed output from the directional screening assembly and conveys them to one side of the limiting clamping assembly. The limiting clamping assembly clamps the conveyed bottle caps to be processed.

[0010] The bottle cap punching assembly includes a lifting base, a guide rail fixing base, a lifting drive assembly, and a cutting tool assembly. The lifting drive assembly is mounted on the guide rail fixing base and can drive the cutting tool assembly to reciprocate vertically. The cutting tool assembly is equipped with a suction pipe. The suction end of the suction pipe is located on the outer ring of the punching end of the cutting tool assembly, and can remove the debris generated during punching by an external air pump.

[0011] Furthermore, the lifting drive assembly includes a lifting drive motor, a ball screw, and a nut seat. The lifting drive motor is fixed on the guide rail mounting base, and its output end is connected to the ball screw via a coupling. The nut seat is slidably connected to the guide rail mounting base and threadedly connected to the ball screw. The tool assembly is mounted on the nut seat and can move synchronously up and down under the drive of the nut seat.

[0012] Furthermore, the tool assembly includes a drilling motor and drilling tools. The drilling motor is fixedly connected to a nut seat by screws. The drilling tools are mounted on each drive shaft of the drilling motor. The suction end of the suction pipe is sleeved on the outer ring of the drilling tools.

[0013] Furthermore, the suction pipe is divided into an upper pipe body and a lower mounting sleeve. The pipe body is L-shaped and fixed to the guide rail mounting base. The mounting sleeve is fitted over the outer ring of the drilling tool.

[0014] Furthermore, the mounting sleeve is divided into an upper positioning section and a lower air guide section. The positioning section is fitted onto the outer ring of the power output shaft of the drilling motor. The bottom of the air guide section has a downward-facing air inlet. The suction end at the bottom of the main pipe body is connected to the air inlet.

[0015] Furthermore, the lifting base is equipped with multiple suction adapters. Each suction adapter has a vertically extending discharge channel. The input end of the discharge channel is connected to the output end of the suction pipe via an air pipe; the output end is connected to an external waste bag. An air extraction port connected to the discharge channel is located on the side of the suction adapter. An air pump is connected to the air extraction port via an air pipe. A filter screen is installed inside the air extraction port.

[0016] Furthermore, the limiting clamping assembly includes two clamping units. The two clamping units are symmetrically arranged on both sides of the bottle cap conveying assembly. Each clamping unit includes a fixed support, a drive cylinder, and a limiting gripper. The drive cylinder is mounted on the processing table via a fixed bracket. The limiting gripper is connected to the drive end of the drive cylinder. The limiting gripper has multiple V-shaped slots.

[0017] Furthermore, the feeding assembly includes a feeding bracket, a feeding conveyor belt, and multiple partitions spaced apart on the feeding conveyor belt. The feeding bracket is inclined. The feeding conveyor belt is mounted on the feeding bracket, and its bottom extends into the storage bin.

[0018] Furthermore, the bottle cap directional screening mechanism includes a transfer chamber, a transfer assembly, and a directional screening assembly. The input port of the transfer chamber is connected to the output end of the feeding assembly, and is used to receive the processed bottle caps output by the feeding assembly. The transfer assembly is rotatably connected inside the transfer chamber, and is used to output the processed bottle caps one by one towards the directional screening assembly. The directional screening assembly is installed at the discharge port of the transfer chamber, and is used to directionally screen and output the processed bottle caps.

[0019] Furthermore, the directional screening assembly includes a screening track frame, a discharge track frame, and a return channel. The screening track frame is equipped with a screening conveyor track. The discharge track frame is equipped with a directional conveyor track. The width of the screening conveyor track is greater than the diameter of the top of the bottle cap being processed, but smaller than the diameter of the body of the bottle cap being processed. A return port is provided at the bottom of the screening track frame. The input end of the return channel is connected to the return port; the output end is connected to a storage tank.

[0020] Compared with the prior art, the present invention has the following advantages: This invention features a suction pipe with a mounting sleeve at the bottom that surrounds the punching tool on the tool assembly. The suction pipe also has a suction end on the side that communicates with the main body of the pipe. This allows the debris generated during punching to be promptly drawn into an external waste bag via the suction pipe, eliminating the need for manual cleaning of the debris and simplifying the bottle cap production process, thereby improving production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram showing the relative positions of the feeding assembly and the transfer bin in this utility model; Figure 3 This is a schematic diagram of the structure of the transfer component in this utility model; Figure 4 This is a schematic diagram of the directional screening component in this utility model. Figure 1(Enlarged view of part A in the middle) Figure 5 This is a schematic diagram showing the relative positions of the bottle cap punching assembly and the bottle cap conveying assembly in this utility model; Figure 6 This is a schematic diagram of the limiting clamping component in this utility model; Figure 7 This is a schematic diagram showing the relative positions of the punching tool and the suction pipe in this utility model; Figure 8 This is a schematic diagram of the material suction adapter in this utility model. Figure 2 (Enlarged view of part B in the middle section).

[0022] Reference numerals: 1. Processing table; 2. Bottle cap feeding mechanism; 3. Bottle cap directional screening mechanism; 4. Drilling mechanism; 5. Storage box; 6. Feeding assembly; 7. Transfer bin; 8. Transfer assembly; 8-1. Rotating material plate; 8-2. Pushing protrusion; 9. Directional screening assembly; 9-1. Screening track frame; 9-2. Discharge track frame; 9-3. Return channel; 10. Bottle cap conveying assembly; 10-1. Conveying bracket; 10-2. Conveying belt; 11. Limiting clamping assembly; 11-1. Fixing 11-2 Support; 11-3 Drive cylinder; 11-3 Limiting gripper; 12 Bottle cap punching assembly; 13 Lifting drive assembly; 13-1 Lifting base; 13-2 Guide rail fixing seat; 13-3 Lifting drive motor; 14 Cutting tool assembly; 14-1 Punching motor; 14-2 Punching tool; 15 Suction pipe; 15-1 Pipe body; 15-2 Mounting sleeve; 15-3 Suction end; 16 Suction adapter; 16-1 Discharge channel; 16-2 Air extraction port. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper side", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1 and 2As shown, an intelligent bottle cap punching machine includes a processing table 1, and a bottle cap feeding mechanism 2, a bottle cap directional screening mechanism 3, and a punching mechanism 4 installed on the processing table 1. The bottle cap feeding mechanism 2 includes a storage box 5 and a feeding assembly 6. The feeding assembly 6 is used to output the bottle caps to be processed from the storage box 5 one by one to the bottle cap directional screening mechanism 3.

[0026] The bottle cap directional screening mechanism 3 includes a transfer chamber 7, a transfer assembly 8, and a directional screening assembly 9. The inlet of the transfer chamber 7 is connected to the output end of the feeding assembly 6, and is used to receive the bottle caps to be processed output by the feeding assembly 6. The transfer assembly 8 is rotatably connected inside the transfer chamber 7, and can use the centrifugal force of rotation to output the bottle caps to be processed one by one towards the directional screening assembly 9. The directional screening assembly 9 is installed at the outlet of the transfer chamber 7, and is used for directional screening and outputting the bottle caps to be processed.

[0027] The punching mechanism 4 includes a bottle cap conveying assembly 10, a limiting clamping assembly 11, and a bottle cap punching assembly 12. The bottle cap conveying assembly 10 receives the bottle caps to be processed output from the directional screening assembly 9 and conveys them to the limiting clamping assembly 11. The limiting clamping assembly 11 clamps the conveyed bottle caps.

[0028] The bottle cap punching assembly 12 is positioned above the limiting clamping assembly 11 and is used to punch holes in the bottle cap being processed, which is held by the limiting clamping assembly 11.

[0029] like Figure 2 As shown, the feeding assembly 6 includes a feeding bracket, a feeding conveyor belt, and multiple partitions spaced apart on the feeding conveyor belt. The feeding bracket is inclined. The feeding conveyor belt is mounted on the feeding bracket, with its bottom extending into the storage bin 5. The bottle caps to be processed in the storage bin 5 are lifted upwards by the partitions on the feeding conveyor belt and transported to the transfer bin 7.

[0030] like Figure 3 As shown, the transfer assembly 8 includes a conical rotating material plate 8-1 and a rotary motor. The rotating material plate 8-1 is rotatably connected to the inner cavity of the transfer chamber 7. The rotary motor is fixed to the bottom of the transfer chamber 7, and its output shaft passes through the bottom surface of the transfer chamber 7 and is fixed to the rotating material plate 8-1, enabling it to drive the rotating material plate 8-1 and the bottle caps being processed on the surface of the rotating material plate 8-1 to rotate around the center.

[0031] Furthermore, multiple pushing protrusions 8-2 are fixed on the rotating material plate 8-1. Each pushing protrusion 8-2 is evenly distributed circumferentially around the axis of the rotating material plate 8-1, and is used to assist the circumferential movement of each bottle cap being processed on the rotating material plate 8-1, ensuring that the bottle cap being processed can be smoothly output from the discharge port side of the transfer chamber 7.

[0032] like Figure 4 As shown, the directional screening assembly 9 includes a screening track frame 9-1, a discharge track frame 9-2, and a return channel 9-3. The screening track frame 9-1 has two spaced-apart screening track plates, forming a screening conveying track between them. The discharge track frame 9-2 has two spaced-apart discharge track frames 9-2, forming a directional conveying track between them. The width of the screening conveying track is greater than the diameter of the top of the bottle cap being processed, but smaller than the diameter of the bottle cap body. A return port is located at the bottom of the screening track frame 9-1. The input end of the return channel 9-3 is connected to the return port; the output end is connected to the storage tank 5, allowing processed bottle caps falling from the return port to flow back into the storage tank 5.

[0033] During the directional conveying of the bottle caps being processed, when the bottle caps are in an inverted state with the cap body facing upwards and the cap top facing downwards, the diameter of the cap body is larger than the width of the screening conveyor track, allowing the bottle caps to be smoothly conveyed on the track. When the bottle caps are in an upright state with the cap top facing upwards and the cap body facing downwards, the diameter of the cap top is smaller than the width of the screening conveyor track, causing the bottle caps to fall from the return port on the screening track frame 9-1 to the return channel 9-3 and flow back to the storage box 5, thus achieving directional output of the bottle caps.

[0034] Furthermore, the directional conveying track is divided into an entry section, a sliding section, and an output section. The entry and output sections are connected to the output end of the screening track frame 9-1 and the input end of the bottle cap output assembly, respectively. The sliding section has an inclined track structure.

[0035] In actual use, when the bottle caps being processed, which are in an inverted state, enter the entry section of the directional conveying track one by one from the output end of the screening track frame 9-1, the bottle caps at the front will be conveyed to the sliding section side under the push of the following bottle caps. After the bottle caps enter the sliding section, they will slide down naturally under the action of gravity, pass through the output section, and be output to the bottle cap output assembly side.

[0036] The bottle cap conveying assembly 10 includes a conveying bracket 10-1 and a conveyor belt 10-2. The conveying bracket 10-1 is fixed to the processing table 1. Limiting plates are fixed to both sides of the top of the conveying bracket 10-1. The adjacent sides of the two limiting plates are spaced apart to form a conveying channel that mates with the bottle caps being processed. The input end of the conveying channel is connected to the output end of the positioning conveying track, and is used to receive the bottle caps being oriented out from the positioning conveying track. The conveyor belt 10-2 is disposed within the conveying channel and is used to drive the output bottle caps being processed towards the limiting clamping assembly 11.

[0037] like Figure 5 and 6 As shown, the limiting clamping assembly 11 includes two clamping units. The two clamping units are symmetrically arranged on both sides of the conveyor belt 10-2. Each clamping unit includes a fixed support 11-1, a drive cylinder 11-2, and a limiting gripper 11-3. The fixed support 11-1 is welded and fixed to the side of the conveyor support 10-1. The drive cylinder 11-2 is fixed to the top surface of the fixed support 11-1, and its drive end is connected to the limiting gripper 11-3. The conveyor support 10-1 has a clearance groove that cooperates with the limiting gripper 11-3.

[0038] During actual processing, the limiting gripper 11-3 extends into the conveying track from the clearance slot under the drive of the drive cylinder 11-2. The bottle caps being processed, conveyed in the conveying track, are limited and clamped by the limiting grippers 11-3 in the two clamping units, ensuring that the bottle cap punching assembly 12 can accurately punch holes in the clamped bottle caps.

[0039] In this embodiment, the limiting gripper 11-3 has multiple V-shaped slots. The number of slots is the same as the number of punching tools 14-2 in the bottle cap punching assembly 12.

[0040] like Figure 5 and 7 As shown, the bottle cap punching assembly 12 includes a lifting base 13-1, a guide rail fixing seat 13-2, a lifting drive assembly 13, and a cutter assembly 14. The guide rail fixing seat 13-2 is mounted on top of the lifting base 13-1. The lifting drive assembly 13 is disposed on the guide rail fixing seat 13-2 and is used to drive the cutter assembly 14 to reciprocate vertically, precisely punching holes in the clamped bottle cap.

[0041] Specifically, the lifting drive assembly 13 includes a lifting drive motor 13-3, a ball screw, and a nut seat. The lifting drive motor 13-3 is fixed to the guide rail fixing seat 13-2, and its output end is connected to the ball screw via a coupling. The nut seat is slidably connected to the guide rail fixing seat 13-2 and threadedly connected to the ball screw. When the ball screw rotates under the drive of the lifting drive motor 13-3, it causes the nut seat to slide vertically. The tool assembly 14 is fixed to the nut seat and can move synchronously up and down under the drive of the nut seat.

[0042] The tool assembly 14 employs a dual-head punching machine, comprising a punching motor 14-1 and two punching cutters 14-2. The punching motor 14-1 is fixedly connected to a nut seat via screws. Each punching cutter 14-2 is mounted on a drive shaft of the punching motor 14-1 and can rotate under the drive of the punching motor 14-1. Simultaneously, the punching cutters 14-2 move up and down in conjunction with a lifting drive motor 13-3 to perform the punching operation on the bottle cap being processed.

[0043] In this embodiment, slide rails are provided on both sides of the guide rail fixing base 13-2. A slider is slidably mounted on each slide rail. Each slider is connected to the punching motor 14-1 by screws to ensure the stability of the punching motor 14-1 during lifting and sliding.

[0044] Furthermore, suction pipes 15 are provided on both sides of the drilling motor 14-1. The suction end 15-3 of the suction pipe 15 is located on the outer ring of the drilling tool 14-2. During processing, a vacuum pump is used to remove debris from the outer ring of the drilling tool 14-2.

[0045] Specifically, the suction pipe 15 consists of an upper pipe body 15-1 and a lower mounting sleeve 15-2. The pipe body 15-1 is L-shaped and fixed to the guide rail mounting base 13-2. The mounting sleeve 15-2 is located on the outer ring of the punching tool 14-2 and consists of an upper positioning part and a lower air guiding part. The positioning part is fitted around the outer ring of the power output shaft of the punching motor 14-1 and is used for the installation and positioning of the suction pipe 15.

[0046] The bottom of the air guide section has a downward-facing air guide port. The suction end 15-3 at the bottom of the main pipe body 15-1 is connected to the air guide port. When the suction pipe 15 is pumped by the air pump and a negative pressure is generated at the suction end 15-3, the outside air is guided to flow towards the air guide section until it flows into the main pipe body 15-1. The debris generated by the drilling tool 14-2 enters the main pipe body 15-1 under the influence of the flowing air.

[0047] In some embodiments, the lifting base 13-1 is provided with a plurality of suction adapters 16 for connecting each suction pipe 15 to the air pump. Specifically, the suction adapter 16 has a discharge channel 16-1 that runs vertically through it. The input end of the discharge channel 16-1 is connected to the output end of the suction pipe 15 via an air pipe; the output end is connected to an external waste bag.

[0048] like Figure 8 As shown, the suction adapter 16 has an air extraction port 16-2 on its side, which communicates with the discharge channel 16-1. The air pump is connected to the air extraction port 16-2 via an air pipe. A filter screen is provided on the inner side of the air extraction port 16-2 to prevent debris in the discharge channel 16-1 from entering the air pump when it is working.

[0049] This embodiment provides a non-essential technical feature: a dual-axis drive assembly is also provided at the bottom of the conveyor bracket 10-1, used to drive the conveyor bracket 10-1 to perform dual-axis movement in a direction parallel to and perpendicular to the conveying direction of the conveyor belt 10-2. The dual-axis drive assembly includes a support bracket, a connecting bracket, an axial drive assembly, and a tangential drive assembly. The axial drive assembly is mounted on the processing table 1, and its driving direction is parallel to the conveying direction of the conveyor belt 10-2. The tangential drive assembly is mounted on the drive end of the axial drive assembly via the connecting bracket, and its driving direction is perpendicular to the conveying direction of the conveyor belt 10-2. In this embodiment, the axial drive assembly and the tangential drive assembly have the same structure as the lifting drive assembly 13, and will not be described in detail here.

[0050] The working principle of this utility model is as follows: First, the bottle caps to be processed in storage box 5 are lifted upwards by the partitions on the feeding conveyor belt and transported to transfer chamber 7. The rotating material plate 8-1 in transfer chamber 7 rotates under the drive of a rotary motor, so that the bottle caps to be processed entering transfer chamber 7 can be output towards the discharge port of transfer chamber 7 under the action of centrifugal force.

[0051] During the output process of the processed bottle caps, when the bottle caps are in an inverted state with the cap body facing up and the cap top facing down, the diameter of the cap body is larger than the width of the screening conveyor track, allowing the bottle caps to be smoothly conveyed on the screening conveyor track. When the bottle caps are in an upright state with the cap top facing up and the cap body facing down, the diameter of the cap top is smaller than the width of the screening conveyor track, causing the bottle caps to fall from the return port on the screening track frame 9-1 to the return channel 9-3 and flow back to the storage box 5.

[0052] As the inverted bottle caps enter the inlet section of the directional conveying track one by one from the output end of the screening track frame 9-1, the bottle caps at the front will be pushed towards the sliding section by the following bottle caps. After entering the sliding section, the bottle caps will slide down naturally under the action of gravity, pass through the output section, and be output towards the bottle cap output assembly.

[0053] As the bottle caps being processed fall into the bottle cap output assembly, the conveyor belt 10-2 in the bottle cap output assembly transports the bottle caps towards the limiting clamping assembly 11. Subsequently, the limiting jaws 11-3 in the two clamping units extend from the clearance slots into the conveyor track under the drive of the drive cylinder 11-2. The bottle caps being processed, conveyed in the conveyor track, are limited and clamped by the cooperation of the limiting jaws 11-3 in the two clamping units.

[0054] Subsequently, the lifting drive motor 13-3 drives the ball screw to rotate. The nut seat slides vertically under the drive of the ball screw, simultaneously causing the punching motor 14-1 to move downwards. The punching tool 14-2, located on the output shaft of the punching motor 14-1, rotates under the drive of the punching motor 14-1, performing the punching operation on the bottle cap being processed.

[0055] Simultaneously, the air pump performs an air extraction operation. The suction pipe 15, located on the outer ring of the punching tool 14-2, generates negative pressure at the suction end 15-3 due to the air extraction, guiding outside air towards the suction end 15-3 until it flows into the pipe body 15-1. The debris generated by the punching tool 14-2 enters the pipe body 15-1 under the influence of the flowing air. The air pump continues its extraction operation, causing the debris to flow through the suction adapter 16 and into the external waste bag.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A smart bottle cap punching machine, characterized in that: It includes a processing table, as well as a bottle cap feeding mechanism, a bottle cap directional screening mechanism, and a punching mechanism installed on the processing table; The bottle cap feeding mechanism includes a storage box and a feeding assembly; the feeding assembly is used to output the processed bottle caps in the storage box one by one to the bottle cap orientation and screening mechanism; The bottle cap orientation screening mechanism is used to output the input bottle caps to be processed to the punching mechanism with the same orientation; The punching mechanism includes a bottle cap conveying assembly, a limiting clamping assembly, and a bottle cap punching assembly; the bottle cap conveying assembly is used to receive the bottle caps to be processed output by the directional screening assembly and convey them to one side of the limiting clamping assembly; the limiting clamping assembly is used to clamp the conveyed bottle caps to be processed. The bottle cap punching assembly includes a lifting base, a guide rail fixing base, a lifting drive assembly, and a cutting tool assembly. The lifting drive assembly is mounted on the guide rail fixing base and can drive the cutting tool assembly to reciprocate in the vertical direction. The cutting tool assembly is provided with a suction pipe. The suction end of the suction pipe is located on the outer ring of the punching end in the cutting tool assembly and can remove the debris generated during punching by an external air pump.

2. The intelligent bottle cap punching machine according to claim 1, characterized in that: The lifting drive assembly includes a lifting drive motor, a ball screw, and a nut seat; the lifting drive motor is fixed on the guide rail fixing seat, and its output end is connected to the ball screw through a coupling; the nut seat is slidably connected to the guide rail fixing seat and threadedly connected to the ball screw; the tool assembly is mounted on the nut seat and can move up and down synchronously under the drive of the nut seat.

3. The intelligent bottle cap punching machine according to claim 2, characterized in that: The tool assembly includes a drilling motor and a drilling tool; the drilling motor is fixedly connected to a nut seat by screws; the drilling tool is mounted on each drive shaft of the drilling motor; the suction end of the suction pipe is sleeved on the outer ring of the drilling tool.

4. The intelligent bottle cap punching machine according to claim 3, characterized in that: The suction pipe is divided into an upper pipe body and a lower mounting sleeve; the pipe body is L-shaped and fixed on the guide rail fixing seat; the mounting sleeve is sleeved on the outer ring of the drilling tool.

5. The intelligent bottle cap punching machine according to claim 4, characterized in that: The mounting sleeve is divided into an upper positioning part and a lower air guide part; the positioning part is sleeved on the outer ring of the power output shaft of the drilling motor; the bottom of the air guide part has a downward air guide port; the suction end at the bottom of the pipe body is connected to the air guide port.

6. The intelligent bottle cap punching machine according to claim 1, characterized in that: The lifting base is equipped with multiple suction adapters; each suction adapter has a discharge channel running vertically through it; the input end of the discharge channel is connected to the output end of the suction pipe via an air pipe; the output end is connected to an external waste bag; the side of the suction adapter has an air extraction port connected to the discharge channel; an air pump is connected to the air extraction port via an air pipe; a filter screen is provided inside the air extraction port.

7. The intelligent bottle cap punching machine according to claim 1, characterized in that: The limiting clamping assembly includes two clamping units; the two clamping units are symmetrically arranged on both sides of the bottle cap conveying assembly; the clamping unit includes a fixed support, a drive cylinder and a limiting gripper; the drive cylinder is mounted on the processing table through a fixed bracket; the limiting gripper is connected to the drive end of the drive cylinder; the limiting gripper has multiple V-shaped slots.

8. The intelligent bottle cap punching machine according to claim 1, characterized in that: The feeding assembly includes a feeding bracket, a feeding conveyor belt, and multiple partitions spaced apart on the feeding conveyor belt; the feeding bracket is inclined; the feeding conveyor belt is mounted on the feeding bracket and its bottom extends into the storage box.

9. The intelligent bottle cap punching machine according to claim 1, characterized in that: The bottle cap directional screening mechanism includes a transfer chamber, a transfer component, and a directional screening component; the input port of the transfer chamber is connected to the output end of the feeding component and is used to receive the bottle caps to be processed output by the feeding component; the transfer component is rotatably connected inside the transfer chamber and is used to output the bottle caps to be processed inside the transfer chamber one by one towards the directional screening component. The directional screening assembly is installed at the discharge port of the transfer bin and is used to directionally screen and output the bottle caps to be processed.

10. The intelligent bottle cap punching machine according to claim 9, characterized in that: The directional screening assembly includes a screening track frame, a discharge track frame, and a return channel; the screening track frame is equipped with a screening conveying track; the discharge track frame is equipped with a directional conveying track; the width of the screening conveying track is greater than the diameter of the top of the bottle cap being processed, but smaller than the diameter of the body of the bottle cap being processed; a return port is opened at the bottom of the screening track frame; the input end of the return channel is connected to the return port; and the output end is connected to a storage box.

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