Cap screwing machine for canned braised bamboo shoots

By using distance and light intensity sensors to detect the position and contents of cans in the capping machine, the problem of empty cans was solved, and the working efficiency and product quality of the capping machine were improved.

CN223823350UActive Publication Date: 2026-01-23LISHUI RENJIAN YANHUO FOOD DEVELOPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520074357.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-23
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing technologies for sealing canned bamboo shoots may result in empty cans, affecting normal production.

Method used

The control system, which combines distance and light intensity sensors, detects the position and contents of the can to ensure that the can contains braised bamboo shoots, thus avoiding the need to screw on empty cans.

Benefits of technology

This improved the efficiency of the capping machine, prevented the production of empty cans, and ensured the quality and efficiency of capping.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223823350U_ABST
    Figure CN223823350U_ABST
Patent Text Reader

Abstract

The utility model discloses a cap screwing machine for canned braised bamboo shoots, belongs to the technical field of cap screwing of cans, and solves the problems that the finally obtained cans are empty cans and normal production is affected due to the fact that no braised bamboo shoots exist in the cans during cap screwing and can sealing at present. Comprising a workbench, a limiting disc rotationally arranged on the workbench, a feeding conveying belt and a discharging conveying belt, the feeding conveying belt and the discharging conveying belt are arranged on the workbench and located below the limiting disc, and a plurality of special-shaped limiting grooves are formed in the outer ring of the limiting disc. An operator places cans filled with braised bamboo shoots on the feeding conveying belt, the conveying belt conveys the cans into the limiting groove, the servo motor drives the limiting disc to rotate, the cans reach the position below the cap screwing assembly, the air cylinder controls the screwing head to abut against can caps, and threaded connection is achieved through friction force. Meanwhile, the distance and light intensity sensor detects the position and content of the can, it is guaranteed that the braised bamboo shoots are contained in the can, and the empty can is prevented from affecting the efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of canned food capping technology, and in particular to a capping machine for canned braised bamboo shoots. Background Technology

[0002] Braised bamboo shoots in oil are a traditional delicacy made from fresh bamboo shoots using a special process. It not only retains the fresh taste of spring bamboo shoots but also adds a unique flavor through braising in oil, resulting in tender, golden-brown bamboo shoots. During preparation, the bamboo shoots are cooked with soy sauce, sugar, oil, and other seasonings, and after a long braising period, the bamboo shoots fully absorb the essence of the seasonings, achieving an optimal flavor. The key to making braised bamboo shoots in oil lies in controlling the heat and the proportions of the seasonings to ensure the bamboo shoots are neither too soft nor too hard, maintaining a perfectly crisp and tender texture. Furthermore, braised bamboo shoots in oil are easy to carry and store for a long time, making them suitable as a gift or a delicious staple in any household.

[0003] To ensure the canned braised bamboo shoots are sealed, a capping machine is used to complete the capping and sealing process after filling. This allows the canned braised bamboo shoots to undergo subsequent sealing and sterilization. However, currently, during the capping and sealing process, there may be cases where the cans do not contain braised bamboo shoots, resulting in empty cans and affecting normal production.

[0004] Therefore, a capping machine for braised bamboo shoot cans is proposed to solve or alleviate the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a capping machine for canned braised bamboo shoots.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A capping machine for canned braised bamboo shoots includes a worktable, a limiting plate rotatably mounted on the worktable, and a feeding conveyor belt and a discharging conveyor belt mounted on the worktable and located below the limiting plate. The outer ring of the limiting plate has several irregularly shaped limiting grooves. The feeding conveyor belt and the discharging conveyor belt are configured corresponding to one of the limiting grooves. A capping assembly that can be raised and lowered is mounted on the worktable. The capping assembly is always located directly above one of the limiting grooves.

[0008] Preferably, a chassis frame is fixedly connected to the workbench, a limiting sleeve located on the outer ring of the limiting plate is fixedly connected to the top surface of the chassis frame, a through hole is opened at the center of the limiting plate, a rotating shaft passing through the chassis frame is fixedly connected in the through hole, a servo motor is fixedly connected to the inner top surface of the chassis frame, and the output shaft of the servo motor is coaxially connected to the rotating shaft.

[0009] Preferably, a vertical rail is fixedly connected to the workbench, a cylinder is fixedly connected inside the vertical rail, and a connecting seat that is fixedly connected to the movable end of the cylinder is slidably connected inside the vertical rail, and the capping assembly is disposed on the connecting seat.

[0010] Preferably, the capping assembly includes a drive motor fixedly connected to the connecting seat, and a capping head coaxially fixedly connected to the output shaft of the drive motor.

[0011] Preferably, the chassis frame has several through slots, the opening area of ​​which is smaller than the opening area of ​​the limiting slot, and the number of through slots is the same as the number of limiting slots. The inner top surface of the chassis frame is provided with a distance and light intensity control circuit, which is coupled to a servo motor. The distance and light intensity control circuit is used to determine whether there is a can in the limiting slot, to determine whether there is braised bamboo shoots in the can, and to control the servo motor to work.

[0012] Preferably, the distance and light intensity control circuit includes

[0013] A distance sensor is installed inside the channel, which collects the distance between itself and the can and feeds back a distance signal.

[0014] A first voltage comparison circuit, wherein the input terminal of the first voltage comparison circuit is coupled to the output terminal of the distance sensor, and the first voltage comparison circuit feeds back a first comparison signal in response to the voltage of the distance signal being greater than the voltage of a preset distance reference signal therein.

[0015] The controller has its input terminal coupled to the output terminal of the first voltage comparison circuit via an inverter, and its output terminal coupled to the servo motor via a voltage drive circuit. The controller controls the servo motor to rotate in response to the first comparison signal.

[0016] Preferably, the distance and light intensity control circuit further includes

[0017] A light intensity sensor is installed in the through slot. The light intensity sensor collects the ambient light intensity that passes through the can and outputs a light intensity signal.

[0018] The second voltage comparison circuit has its input terminal coupled to the output terminal of the light intensity sensor and its output terminal coupled to the input terminal of the controller. The second voltage comparison circuit responds to the light intensity signal voltage being greater than the voltage of the preset light intensity reference signal and then feeds back a second comparison signal.

[0019] Preferably, the first voltage comparison circuit and the second voltage comparison circuit each comprise a minimum circuit based on a voltage comparator LM339, the controller comprises an integrated circuit of an STM32F103RCT6 embedded-microcontroller, and the motor driving circuit comprises a TB67S109AFTG motor driving chip.

[0020] The utility model has the following beneficial effects:

[0021] The operator places the canned oil-braised bamboo shoots on the feeding conveyor belt, the conveyor belt sends the canned oil-braised bamboo shoots into the limiting groove, the servo motor drives the limiting disc to rotate, the canned oil-braised bamboo shoots reach below the cap screwing assembly, the cylinder controls the rotating head to abut against the can cover, and the thread connection is realized through the friction force. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the structural block diagram of distance, light intensity control circuit in the utility model.

[0025] 1, workbench;2, chassis frame;3, limiting sleeve;4, rotating shaft;5, limiting disc;6, limiting groove;7, feeding conveyor belt;8, discharging conveyor belt;9, vertical rail;10, connecting seat;11, drive motor;12, rotating head;13, distance sensor;14, first voltage comparison circuit;15, light intensity sensor;16, second voltage comparison circuit;17, controller;18, motor driving circuit;19, servo motor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model more clear, the following will be combined with the drawings in the embodiments of the utility model, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0028] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are merely for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0030] In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0031] In the description of the application, it should also be noted that unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "linked" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0032] A capping machine for canned braised bamboo shoots, as shown in Figure 1 The outer ring of the limiting disc 5 is provided with a plurality of special-shaped limiting grooves 6, the feeding conveyor belt 7 and the discharging conveyor belt 8 are arranged corresponding to one limiting groove 6, and the workbench 1 is provided with a lifting capping assembly.

[0033] The workbench 1 is fixedly connected with a chassis frame 2, the top surface of the chassis frame 2 is fixedly connected with a limiting sleeve 3 located at the outer circle of a limiting disc 5, a through hole is formed at the center of the limiting disc 5, the through hole is fixedly connected with a rotating shaft 4 penetrating through the chassis frame 2, the inner top surface of the chassis frame 2 is fixedly connected with a servo motor 19, the output shaft of the servo motor 19 is coaxially and drivingly connected with the rotating shaft 4, the workbench 1 is fixedly connected with a vertical rail 9, the vertical rail 9 is fixedly connected with an air cylinder, the vertical rail 9 is slidingly connected with a connecting seat 10 fixedly connected with the movable end of the air cylinder, a cap screwing assembly is arranged on the connecting seat 10, the cap screwing assembly comprises a driving motor 11 fixedly connected with the connecting seat 10 and a screw head 12 coaxially and fixedly connected with the output shaft of the driving motor 11.

[0034] A plurality of through grooves are formed in the chassis frame 2, the opening area of the through grooves is smaller than the opening area of the limiting grooves 6, the number of the through grooves is the same as that of the limiting grooves 6, the inner top surface of the chassis frame 2 is provided with a distance and light intensity control circuit, the distance and light intensity control circuit is coupled with the servo motor 19, and the distance and light intensity control circuit is used for judging whether there is a can in the limiting groove 6 and judging whether there is oil-braised bamboo shoots in the can and controlling the servo motor 19 to work.

[0035] As shown in Figure 2 The distance and light intensity control circuit comprises a distance sensor 13, a first voltage comparison circuit 14, a controller 17, a light intensity sensor 15 and a second voltage comparison circuit 16, the first voltage comparison circuit 14 and the second voltage comparison circuit 16 each comprise a minimum circuit based on a voltage comparator LM339, the controller 17 comprises an integrated circuit of an STM32F103RCT6 embedded microcontroller, and the motor driving circuit 18 comprises a TB67S109AFTG motor driving chip.

[0036] The distance sensor 13 is arranged in the through groove, the distance sensor 13 collects the distance between the distance sensor 13 and the can and feeds back a distance signal, the input end of the first voltage comparison circuit 14 is coupled with the output end of the distance sensor 13, the first voltage comparison circuit 14 feeds back a first comparison signal in response to the voltage of the distance signal being greater than the voltage of a preset distance reference signal, the input end of the controller 17 is coupled with the output end of the first voltage comparison circuit 14 through an inverter, the output end of the controller 17 is coupled with the servo motor 19 through a voltage driving circuit, and the controller 17 controls the servo motor 19 to rotate in response to the first comparison signal, the light intensity sensor 15 is arranged in the through groove, the light intensity sensor 15 collects ambient light intensity through the can and outputs a light intensity signal, the input end of the second voltage comparison circuit 16 is coupled with the output end of the light intensity sensor 15, and the output end of the second voltage comparison circuit 16 is coupled with the input end of the controller 17, the second voltage comparison circuit 16 feeds back a second comparison signal in response to the voltage of the light intensity signal being greater than the voltage of a preset light intensity reference signal.

[0037] The utility model discloses a kind of oil-braised bamboo shoots canning machines, including vertical rail 9, servo motor 19, limit disc 5, limit groove 6, feeding conveyor belt 7, distance sensor 13, light intensity sensor 15, controller 17, driving motor 11 and screw head 12, vertical rail 9 is fixedly connected to driving motor 11, servo motor 19 is fixedly connected to limit disc 5, limit groove 6 is fixedly connected to limit disc 5, feeding conveyor belt 7 is fixedly connected to limit groove 6, distance sensor 13 is fixedly connected to limit groove 6, light intensity sensor 15 is fixedly connected to limit groove 6, controller 17 is fixedly connected to distance sensor 13 and light intensity sensor 15, driving motor 11 is fixedly connected to screw head 12, and screw head 12 is fixedly connected to vertical rail 9.

[0038] And when canning rotates to the lower side of screw cap assembly, the distance in the through slot under screw cap assembly can be used to detect canning with distance sensor 13 and light intensity control circuit, first, whether there is canning above the position is detected by distance sensor 13, if there is no canning, then controller 17 can control servo motor 19 to drive limit disc 5 to rotate immediately, and then make next canning displacement to the lower side of screw cap assembly for detection, at the same time, whether oil-braised bamboo shoots is filled in canning can also be judged by light intensity sensor 15, because oil-braised bamboo shoots itself is not light-transmitting, and glass canning is light-transmitting, if light intensity signal is large, it shows that oil-braised bamboo shoots is not filled in canning, then controller 17 can also control servo motor 19 to drive limit disc 5 to rotate immediately, and then make next canning displacement to the lower side of screw cap assembly for detection, avoid empty canning and no canning situation influence the working efficiency of screw cap machine, also avoid empty canning screw cap product situation.

[0039] The above only for the preferred embodiment of the utility model, and does not limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A capping machine for canned braised bamboo shoots, characterized in that, The device includes a worktable (1), a limiting disk (5) rotatably mounted on the worktable (1), and a feeding conveyor belt (7) and a discharging conveyor belt (8) mounted on the worktable (1) and located below the limiting disk (5). The outer ring of the limiting disk (5) is provided with several irregularly shaped limiting grooves (6). The feeding conveyor belt (7) and the discharging conveyor belt (8) are provided corresponding to one of the limiting grooves (6). The worktable (1) is provided with a lifting cap assembly, which is always located directly above one of the limiting grooves (6). A chassis frame (2) is fixedly connected to the workbench (1). A limiting sleeve (3) located on the outer ring of the limiting plate (5) is fixedly connected to the top surface of the chassis frame (2). A through hole is opened at the center of the limiting plate (5). A rotating shaft (4) passing through the chassis frame (2) is fixedly connected in the through hole. A servo motor (19) is fixedly connected to the inner top surface of the chassis frame (2). The output shaft of the servo motor (19) is coaxially connected to the rotating shaft (4). Several through slots are opened on the chassis frame (2). The opening area of ​​the through slots is smaller than the opening area of ​​the limiting slots (6). The number of through slots is the same as the number of limiting slots (6). A distance and light intensity control circuit is provided on the inner top surface of the chassis frame (2). The distance and light intensity control circuit is coupled to the servo motor (19). The distance and light intensity control circuit is used to determine whether there is a can in the limiting slot (6), whether there is braised bamboo shoots in the can, and to control the servo motor (19) to work.

2. A capping machine for canned braised bamboo shoots according to claim 1, characterized in that, A vertical rail (9) is fixedly connected to the workbench (1), a cylinder is fixedly connected inside the vertical rail (9), and a connecting seat (10) is slidably connected inside the vertical rail (9) and fixedly connected to the movable end of the cylinder. The capping assembly is set on the connecting seat (10).

3. A capping machine for canned braised bamboo shoots according to claim 2, characterized in that, The cap assembly includes a drive motor (11) fixedly connected to the connecting seat (10) and a capping head (12) coaxially fixedly connected to the output shaft of the drive motor (11).

4. A capping machine for canned braised bamboo shoots according to claim 1, characterized in that, The distance and light intensity control circuit includes Distance sensor (13), the distance sensor (13) is disposed in the through groove, the distance sensor (13) collects the distance between itself and the can and feeds back the distance signal; The first voltage comparison circuit (14) is coupled to the output of the distance sensor (13). The first voltage comparison circuit (14) responds to the voltage of the distance signal being greater than the voltage of the preset distance reference signal and then feeds back the first comparison signal. The controller (17) has its input terminal coupled to the output terminal of the first voltage comparison circuit (14) via an inverter. The output terminal of the controller (17) is coupled to the servo motor (19) via the motor drive circuit (18). The controller (17) controls the servo motor (19) to rotate in response to the first comparison signal.

5. A capping machine for canned braised bamboo shoots according to claim 4, characterized in that, The distance and light intensity control circuit also includes A light intensity sensor (15) is installed in the through slot. The light intensity sensor (15) collects the ambient light intensity collected through the can and outputs a light intensity signal. The second voltage comparison circuit (16) has its input terminal coupled to the output terminal of the light intensity sensor (15) and its output terminal coupled to the input terminal of the controller (17). The second voltage comparison circuit (16) responds to the light intensity signal voltage being greater than the preset light intensity reference signal voltage and then feeds back a second comparison signal.

6. A capping machine for canned braised bamboo shoots according to claim 5, characterized in that, The first voltage comparison circuit (14) and the second voltage comparison circuit (16) both include a minimum circuit based on the voltage comparator LM339, the controller (17) includes an integrated circuit of an STM32F103RCT6 embedded microcontroller, and the motor drive circuit (18) includes a TB67S109AFTG motor drive chip.