Cap screwing equipment

Abstract

The utility model discloses cap screwing equipment which comprises an equipment main body, a conveying mechanism and a fastening mechanism, and the equipment main body is provided with a high end part and a low end part; the conveying mechanism is arranged at the lower end of the equipment body and comprises a conveying part and a workbench, the conveying part is installed on the workbench, and a conveying channel, a feeding port and a discharging port are formed in the workbench; the fastening mechanism comprises a fastening assembly, the fastening assembly comprises a fastening piece, a fastening moving piece and a fastening driving piece, the fastening piece is driven by the fastening moving piece to move to be close to a pressing part of a pressing type bottle cap on a bottle opening of a container conveyed to the position below the fastening piece by the conveying piece, and the fastening piece is driven by the fastening driving piece to move to be close to the pressing part of the pressing type bottle cap. The fastening driving piece is used for driving the fastening piece to rotate, and then the fixing part and the pressing part of the pressing type bottle cap are screwed. By arranging the fastening mechanism, a user does not need to manually screw the pressing part and the fixing part of the bottle cap, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of product packaging, in particular to a capping device. Background Art

[0002] In the daily chemical and food industries, the mouth of a container filled with liquid or semi-solid products needs to be sealed with a cover. A push-type bottle cap is one of the common covers. When a user uses a container equipped with a push-type bottle cap, they only need to apply pressure to the bottle cap to obtain the liquid or semi-solid product in the container. The push-type bottle cap consists of two parts, namely a fixed part that is in direct contact with the mouth of the container and a pressing part for the user to apply pressure.

[0003] The sealing of the container cover requires first tightening the fixed part of the push-type bottle cap with one end of the container forming the bottle mouth, and then the staff manually tightens the fixed part and the pressing part of the push-type bottle cap to each other to prevent the pressing part of the push-type bottle cap from being pressed by mistake during transportation, causing the liquid or semi-solid product in the container to flow out. Manually tightening the fixed part and the pressing part of the push-type bottle cap is inefficient, and it is difficult to control the tightening degree by manual operation. The bottle cap may be poorly sealed due to inadequate tightening, resulting in the phenomenon of liquid or semi-solid products in the container overflowing during transportation. Utility Model Content

[0004] In order to solve the above technical problems and achieve at least one advantage of the present invention, the present invention provides a capping device, wherein the capping device comprises:

[0005] an apparatus body having a high end portion and a low end portion lower than the high end portion;

[0006] A conveying mechanism, the conveying mechanism is arranged at the lower end of the equipment body, the conveying mechanism includes a conveying member and a workbench, the workbench is fixed to the equipment body, the conveying member is installed on the workbench, the workbench forms a conveying channel, a feed port connected to the conveying channel, and a discharge port connected to the conveying channel, and the conveying member will convey the container entering the conveying channel from the feed port to the discharge port;

[0007] A fastening mechanism, the fastening mechanism includes a fastening assembly, the fastening assembly includes a fastener, a fastening movable member and a fastening driving member, the fastener is installed on the fastening movable member, the fastener is arranged above the conveying member, the fastener is moved by the fastening movable member to a pressing part of a push-type bottle cap on a bottle mouth of a container conveyed by the conveying member to below the fastener, the fastener is connected to the fastening driving member, and the fastening driving member is used to drive the fastener to rotate, thereby tightening the fixing part and the pressing part of the push-type bottle cap.

[0008] According to an embodiment of the utility model, the capping device also includes a capping mechanism, and the capping mechanism also includes a first container limiting assembly, the first container limiting assembly includes two first container limiting members and a first limiting driving member, the first container limiting member is connected to the first limiting driving member, the first limiting driving member is installed on the workbench, and the two first container limiting members are respectively located on opposite sides of the conveying member, the two first container limiting members are driven by the first limiting driving member to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member, so that the distance between the two first container limiting members is adjustable.

[0009] According to an embodiment of the utility model, the screw cap mechanism includes a screw cap assembly, the screw cap assembly includes a screw cap part and a screw cap moving part, the screw cap part is arranged at the high end portion of the device body, and the screw cap part is located above the conveying member, the screw cap part is installed on the screw cap moving part, and the screw cap moving part is used to drive the screw cap part to approach or move away from the fixed part of the push-type bottle cap placed on the bottle mouth of the container.

[0010] According to an embodiment of the utility model, the cap screwing mechanism further comprises a bottle cap positioning member, the bottle cap positioning member is drivably and movably disposed up and down at the high end portion of the device body, and the bottle cap positioning member is close to the cap screwing member.

[0011] According to one embodiment of the utility model, the cap screwing device also includes an upper cover mechanism, which includes a cover feeding member, the cover feeding member forms a cover feeding channel, an upper cover opening connected to the cover feeding channel, and a lower cover opening connected to the cover feeding channel, and the cover feeding member is obliquely arranged at the high end portion of the device body.

[0012] According to one embodiment of the utility model, the upper cover mechanism includes a pressing cover member and a blocking cover assembly, the pressing cover member is drivable and movable up and down at one end of the cover feeding member close to the lower cover opening, and the pressing cover member is located above the lower cover opening, the blocking cover assembly includes two blocking cover members and two reset members, the two blocking cover members are relatively installed on one end of the cover feeding member forming the lower cover opening, and the two blocking cover members partially cover the lower cover opening to prevent the push-type bottle cap that slides to the lower cover opening from falling downward, the reset member is arranged between one end of the cover feeding member forming the lower cover opening and the blocking cover member, the blocking cover member has a lower cover inclined wall at one end away from the reset member, the lower cover inclined wall forms an acute angle with the lower cover inclined wall in the horizontal direction extending toward the reset member, so that the push-type bottle cap moves downward from between the two lower cover inclined walls.

[0013] According to an embodiment of the utility model, the capping device also includes a container detection mechanism, which includes a detection member and a blocking member. The detection member is installed on the workbench and faces the conveying member. The detection member is used to detect whether the container passes through, and the blocking member forms a predetermined angle with the conveying direction of the conveying member.

[0014] According to an embodiment of the utility model, the conveying mechanism further includes a conveying driving member, the conveying member is connected to the conveying driving member, and the conveying driving member is used to drive the conveying member to convey the container from the feed port to the discharge port.

[0015] According to an embodiment of the utility model, the fastening mechanism also includes a second container limiting assembly, the second container limiting assembly includes two second container limiting members and a second limiting driving member, the second container limiting member is connected to the second limiting driving member, the second limiting driving member is installed on the workbench, and the two second container limiting members are respectively located on opposite sides of the conveying member and below the fastener, the two second container limiting members are driven by the second limiting driving member to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member, so that the distance between the two second container limiting members is adjustable.

[0016] According to an embodiment of the utility model, the container detection mechanism further includes a blocking driving member, the blocking member and the detection member are connected to the blocking driving member, and the blocking driving member drives the blocking member to move horizontally in a conveying direction perpendicular to the conveying member. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional schematic diagram of the capping device of the utility model is shown.

[0018] Figure 2 A three-dimensional schematic diagram of the capping mechanism of the capping device of the utility model is shown.

[0019] Figure 3 A three-dimensional schematic diagram of the cover-up mechanism of the cover-screwing device of the utility model is shown.

[0020] Figure 4 A three-dimensional schematic diagram of the fastening mechanism of the capping device of the utility model is shown.

[0021] Figure 5 A cross-sectional view of the upper cover assembly of the capping device of the utility model is shown. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0023] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0024] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0025] refer to Figures 1 to 5 A capping device according to a preferred embodiment of the utility model will be described in detail below. The capping device is used to screw a fixing portion 910 of a push-type bottle cap 900 onto an end portion of a container 800 filled with a liquid or semi-solid product to form a bottle mouth, so that the bottle mouth of the container 800 is sealed; then the capping device screws the fixing portion 910 and a pressing portion 920 of the push-type bottle cap 900 together to seal the push-type bottle cap 900.

[0026] It should be noted that the container 800 is provided with an external thread at the outer periphery of one end portion forming the bottle mouth, and the fixing portion 910 of the push-type bottle cap 900 is provided with an internal thread matching the external thread at the bottle mouth of the container 800, and the one end portion forming the bottle mouth of the container 800 and the fixing portion 910 of the push-type bottle cap 900 are screwed together by threaded connection. Similarly, the pressing portion 920 of the push-type bottle cap 900 is formed with an external thread, and the fixing portion 910 of the push-type bottle cap 900 is formed with an internal thread matching the external thread of the pressing portion 920 at one end portion close to the pressing portion 920, and the fixing portion 910 and the pressing portion 920 are screwed together by threaded connection.

[0027] The capping device comprises a device body 10 , a conveying mechanism 20 , a capping mechanism 30 and a fastening mechanism 40 .

[0028] Specifically, the equipment body 10 has a high end portion and a low end portion lower than the high end portion. The conveying mechanism 20 includes a conveying member 21, a conveying driving member 22 and a workbench 23. The workbench 23 is fixedly mounted on the low end portion of the equipment body 10. The conveying member 21 is connected to the conveying driving member 22. The conveying member 21 and the conveying driving member 22 are both mounted on the workbench 23. The workbench 23 forms a conveying channel 2301, a feed port 2302 communicating with the conveying channel 2301, and a discharge port 2303 communicating with the conveying channel 2301. The conveying channel 2301 is used to accommodate the container 800. The conveying member 21 driven by the conveying driving member 22 conveys the container 800 entering the conveying channel 2301 from the feed port 2302 to the discharge port 2303.

[0029] In this embodiment, the conveying element 21 is implemented as a conveyor belt, and the conveying driving element 22 is implemented as a motor.

[0030] The capping mechanism 30 includes a first container limiting component 31 and a capping component 32 .

[0031] Specifically, the first container stopper assembly 31 includes two first container stoppers 311 and a first stopper driving member 312. The first container stopper 311 is connected to the first stopper driving member 312. The first stopper driving member 312 is installed on the workbench 23, and the two first container stoppers 311 are respectively located on opposite sides of the conveying member 21 and below the capping assembly 32. The two first container stoppers 311 are driven by the first stopper driving member 312 to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member 21, so that the distance between the two first container stoppers 311 is adjustable.

[0032] When the container 800 and the push-type bottle cap 900 placed at one end of the container 800 to form the bottle mouth are conveyed between the two first container limiting members 311 by the conveying member 21, the first limiting driving member 312 drives the two first container limiting members 311 to move toward each other, so that the bottle body of the container 800 is clamped between the two first container limiting members 311 to limit the container 800.

[0033] In this embodiment, the first position-limiting driving member 312 is implemented as a cylinder.

[0034] The capping assembly 32 includes at least one capping member 321, a capping moving member 322 and a capping driving member 323. The capping member 321 is disposed at the high end of the device body 10, and the capping member 321 is located above the conveying member 21. The capping member 321 is connected to the capping moving member 322. The capping moving member 322 is used to drive the capping member 321 to approach or move away from the fixing portion 910 of the push-type bottle cap 900 placed at one end of the container 800 to form a bottle mouth. The capping member 321 is connected to the capping driving member 323. The capping driving member 323 is used to drive the capping member 321 to rotate.

[0035] In this embodiment, the screw capping member 321 screws the fixing portion 910 of the push-type bottle cap 900 onto the bottle mouth of the container 800 in a frictional manner. Specifically, after the screw capping member 321 is moved by the screw capping moving member 322 to fit the fixing portion 910 of the push-type bottle cap 900 placed at one end of the container 800 forming the bottle mouth, the screw capping member 321 is driven to rotate by the screw capping driving member 323, and based on the limiting effect of the first container limiting assembly 31 on the container 800, the screw capping member 321 screws the fixing portion 910 onto the one end of the container 800 forming the bottle mouth through the friction force generated between the screw capping member 321 and the fixing portion 910 of the push-type bottle cap 900.

[0036] Preferably, the capping member 321 is provided with a plurality of capping members, and a capping space 3201 is formed between the plurality of capping members 321. The capping space 3201 is used to accommodate the fixed portion 910 of the push-type bottle cap 900 placed on the bottle mouth of the container 800. The capping moving member 322 drives the plurality of capping members 321 to move horizontally toward or away from each other, so that the size of the capping space 3201 is adjustable. Specifically, after the plurality of capping members 321 are driven by the capping moving member 322 to move toward each other until the side wall of the fixed portion 910 of the push-type bottle cap 900 is attached to the side wall of the plurality of capping members 321, the capping driving member 323 simultaneously drives the plurality of capping members 321 to rotate in the same direction, so that the plurality of capping members 321 drive the fixed portion 910 to rotate together through friction force, so that the fixed portion 910 is screwed to the container 800 to form an end of the bottle mouth. In this way, the capping space 3201 formed by the plurality of capping members 321 limits the fixing portion 910 along the conveying direction perpendicular to the conveying member 21 , thereby preventing the push-type bottle cap 900 from deviating when the capping members 321 are capping.

[0037] In one embodiment, the cover rotating moving member 322 is implemented as a cylinder, and the cover rotating driving member 323 is implemented as a motor.

[0038] Preferably, the capping mechanism 30 further includes a bottle cap positioning member 33. The bottle cap positioning member 33 is drivably disposed at the high end portion of the device body 10 so as to be movable up and down, and the bottle cap positioning member 33 is close to the capping member 321. The bottle cap positioning member 33 is used to abut against the pressing portion 920 of the push-type bottle cap 900 clamped in the capping space 3201, so that the push-type bottle cap 900 is always placed in a horizontal posture on one end portion of the container 800 to form a bottle mouth when being tightened by the capping member 321.

[0039] The fastening mechanism 40 includes a fastening assembly 41. The fastening assembly 41 includes a fastener 411, a fastening movable member 412 and a fastening driving member 413. The fastener 411 is arranged at the high end of the device body 10, and the fastener 411 is located above the conveying member 21. The fastener 411 is installed on the fastening movable member 412. The fastening movable member 412 is used to drive the fastener 411 to move away from or approach the pressing portion 920 of the push-type bottle cap 900 placed on the bottle mouth of the container 800 in the vertical direction. The fastener 411 is connected to the fastening driving member 413. The fastening driving member 413 is used to drive the fastener 411 to rotate, thereby tightening the fixing portion 910 and the pressing portion 920 of the push-type bottle cap 900.

[0040] In one embodiment, while the fastener 411 is driven to rotate by the fastening driving member 413, the fastener 411 is driven by the fastening moving member 412 to continuously move downward. Specifically, after the container 800 and the push-type bottle cap 900 screwed to the bottle mouth of the container 800 are conveyed to the bottom of the fastener 411 by the conveying member 21, the fastening moving member 412 drives the fastener 411 to move downward to press the pressing portion 920 downward, so that the pressing portion 920 is close to the fixing portion 910, and then the fastening driving member 413 drives the fastener 411 to rotate to drive the pressing portion 920 to rotate, and at the same time, the fastener 411 is driven by the fastening moving member 412 to continuously press the pressing portion 920 downward, so that the pressing portion 920 is screwed to the fixing portion 910.

[0041] Preferably, the fastener 411 is connected to a negative pressure pump through a pipeline, and the fastener 411 absorbs and fixes the pressing portion 920 through the negative pressure to prevent the fastener 411 and the pressing portion 920 from being offset from each other when the fastening assembly 41 drives the pressing portion 920 to rotate. Specifically, the fastening movable member 412 drives the fastener 411 to move close to the pressing portion 920 of the push-type bottle cap 900 screwed on the bottle mouth of the container 800, and the pressing portion 920 is absorbed by the fastener 411, and then the fastener 411 is driven by the fastening driving member 413 to rotate the pressing portion 920 sucked by the fastener 411, and at the same time, the fastener 411 is driven by the fastening movable member 412 to continuously move downward, so that the pressing portion 920 is screwed to the fixed portion 910.

[0042] In this embodiment, the fastener 411 is implemented as a suction cup, the fastening moving member 412 is implemented as a cylinder, and the fastening driving member 413 is implemented as a motor.

[0043] Preferably, the fastening mechanism 40 further includes a second container limiting assembly 42. The second container limiting assembly 42 includes two second container limiting members 421 and a second limiting driving member 422. The second container limiting member 421 is connected to the second limiting driving member 422. The second limiting driving member 422 is installed on the workbench 23, and the two second container limiting members 421 are respectively located on opposite sides of the conveying member 21 and below the fastener 411. The two second container limiting members 421 are driven by the second limiting driving member 422 to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member 21, so that the distance between the two second container limiting members 421 is adjustable.

[0044] When the container 800 and the push-type bottle cap 900 installed on the container 800 are conveyed between the two second container limit members 421 by the conveying member 21, the second limit driving member 422 drives the two second container limit members 421 to move horizontally toward each other, so that the bottle body of the container 800 is clamped between the two second container limit members 421, thereby limiting the container 800 along the conveying direction of the conveying member 21, thereby preventing the container 800 from tipping over when the fixing portion 910 and the pressing portion 920 of the push-type bottle cap 900 are tightened by the fastening assembly 41.

[0045] In this embodiment, the second position-limiting driving member 422 is implemented as a cylinder.

[0046] Further, the capping device further comprises a capping mechanism 50. The capping mechanism 50 comprises a cap feeding member 51. The cap feeding member 51 forms a cap feeding channel 5101, an upper cover opening 5102 communicating with the cap feeding channel 5101, and a lower cover opening 5103 communicating with the cap feeding channel 5101. The cap feeding member 51 is obliquely arranged at the high end portion of the device body 10, wherein the horizontal height of the upper cover opening 5102 formed at the cap feeding member 51 is higher than the horizontal height of the lower cover opening 5103 formed at the cap feeding member 51, so that the push-type bottle cap 900 in the cap feeding channel 5101 moves toward the lower cover opening 5103 under the action of gravity.

[0047] In one embodiment, the diameter of the lower cover opening 5103 is larger than the outer circumference of the fixing portion 910 of the push-type bottle cap 900. Specifically, the container 800 without a cover is conveyed by the conveying member 21 to the bottom of the lower cover opening 5103, and at the same time, the push-type bottle cap 900 in the cover conveying channel 5101 slides down to the lower cover opening 5103. Since the diameter of the lower cover opening 5103 is larger than the outer diameter of the fixing portion 910 of the push-type bottle cap 900, the push-type bottle cap 900 falls from the lower cover opening 5103 to one end of the container 800 to form a bottle opening under the action of gravity.

[0048] Preferably, the upper cover mechanism 50 further includes a cover pressing member 52 and a cover blocking assembly 53. The cover pressing member 52 is drivably arranged at one end of the cover feeding member 51 close to the lower cover opening 5103, and the cover pressing member 52 is located above the lower cover opening 5103. The cover blocking assembly 53 includes two cover blocking members 531 and two reset members 532. The two cover blocking members 531 are relatively installed at one end of the cover feeding member 51 forming the lower cover opening 5103, and the two cover blocking members 531 partially block the lower cover opening 5103 to prevent the push-type bottle cap 900 that slides to the lower cover opening 5103 from falling downward. The reset member 532 is arranged between one end of the cover feeding member 51 forming the lower cover opening 5103 and the cover blocking member 531. The cover blocking member 531 has a lower cover inclined wall 5311 at one end away from the reset member 532. The lower cover inclined wall 5311 forms an acute angle with the lower cover inclined wall 5311 in the horizontal direction in which the lower cover inclined wall 5311 extends toward the restoring member 532 , so that the push-type bottle cap 900 moves downward from between the two lower cover inclined walls 5311 .

[0049] Specifically, after the push-type bottle cap 900 slides down to the lower cover opening 5103, the fixing portion 910 of the push-type bottle cap 900 is blocked by the lower cover inclined wall 5311 and stays at the lower cover opening 5103. The capping member 52 is driven to apply downward pressure to the pressing portion 920 of the push-type bottle cap 900 staying at the lower cover opening 5103, and the reset member 532 is compressed by the thrust of the lower cover inclined wall 5311, and the distance between the two cap blocking members 531 increases, so that the push-type bottle cap 900 falls from the lower cover opening 5103 to one end of the container 800 to form the bottle opening. After the push-type bottle cap 900 falls from the lower cover opening 5103, the thrust exerted on the reset member 532 disappears and the reset member 532 retracts, the distance between the two stop cover members 531 decreases, and the subsequent push-type bottle cap 900 at the lower cover opening 5103 that is not pressed by the stop cover member 52 continues to stay at the lower cover opening 5103. Compared with the previous embodiment, by providing the stop cover assembly 53, the push-type bottle cap 900 that slides down to the lower cover opening 5103 is more accurately placed at one end of the container 800 to form the bottle opening.

[0050] In this embodiment, the restoring element 532 is implemented as a spring.

[0051] It can be understood that, by providing the cover mechanism 50, the push-type bottle cap 900 can be automatically placed on the bottle mouth of the container 800 without the need for the user to manually cover it, thereby realizing the automation of the screw-on capping equipment and improving work efficiency.

[0052] In one embodiment, when the uncovered container 800 is conveyed by the conveying member 21 to the bottom of the lower cover opening 5103, the worker needs to stop the conveying drive member 22 to stop the conveying member 21 from continuing to convey the subsequent container 800, so that the cover mechanism 50 can have a predetermined time to perform the cover operation on the container 800 conveyed to the bottom of the lower cover opening 5103.

[0053] In a preferred embodiment, the capping device further includes a container detection mechanism 60. The container detection mechanism 60 includes a detection member 61, a blocking member 62 and a blocking driving member 63. The detection member 61 is installed on the workbench 23 and faces the conveying member 21 to detect whether the container 800 passes through. The blocking member 62 and the detection member 61 are connected to the blocking driving member 63. The blocking driving member 63 drives the blocking member 62 to move horizontally in a direction perpendicular to the conveying direction of the conveying member 21. In addition, the detection member 61 and the blocking member 62 are located below the lower cover opening 5103.

[0054] Specifically, the detection member 61 detects that the container 800 is conveyed to the bottom of the lower cover opening 5103 by the conveying member 21, and the blocking driving member 63 drives the blocking member 62 to move horizontally in a direction perpendicular to the conveying direction of the conveying member 21, thereby positioning the container 800 below the lower cover opening 5103 to prevent the container 800 from being further conveyed toward the discharge port 2303 by the conveying member 21 during the process of being covered by the upper cover mechanism 50.

[0055] In this embodiment, the detection member 61 is implemented as an infrared sensor, and the blocking member 62 is implemented as a plate.

[0056] By providing the container detection mechanism 60 , the capping device does not need to be stopped during the process of placing the push-type bottle cap 900 on the container 800 , thereby improving the fluidity and efficiency of the capping device.

[0057] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. Capping equipment, characterized in that, The capping device comprises: an apparatus body having a high end portion and a low end portion lower than the high end portion; A conveying mechanism, the conveying mechanism is arranged at the lower end of the equipment body, the conveying mechanism includes a conveying member and a workbench, the workbench is fixed to the equipment body, the conveying member is installed on the workbench, the workbench forms a conveying channel, a feed port connected to the conveying channel, and a discharge port connected to the conveying channel, and the conveying member will convey the container entering the conveying channel from the feed port to the discharge port; A fastening mechanism, the fastening mechanism includes a fastening assembly, the fastening assembly includes a fastener, a fastening movable member and a fastening driving member, the fastener is installed on the fastening movable member, the fastener is arranged above the conveying member, the fastener is moved by the fastening movable member to a pressing part of a push-type bottle cap on a bottle mouth of a container conveyed by the conveying member to below the fastener, the fastener is connected to the fastening driving member, and the fastening driving member is used to drive the fastener to rotate, thereby tightening the fixing part and the pressing part of the push-type bottle cap.

2. The capping device according to claim 1, characterized in that: The capping device also includes a capping mechanism, and the capping mechanism also includes a first container limiting assembly, the first container limiting assembly includes two first container limiting members and a first limiting driving member, the first container limiting member is connected to the first limiting driving member, the first limiting driving member is installed on the workbench, and the two first container limiting members are respectively located on opposite sides of the conveying member, the two first container limiting members are driven by the first limiting driving member to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member, so that the distance between the two first container limiting members is adjustable.

3. The capping device according to claim 2, characterized in that: The capping mechanism includes a capping assembly, which includes a capping piece and a capping moving piece. The capping piece is arranged at the high end portion of the device body, and the capping piece is located above the conveying piece. The capping piece is installed on the capping moving piece, and the capping moving piece is used to drive the capping piece to approach or move away from the fixed portion of the push-type bottle cap placed on the bottle mouth of the container.

4. The capping device according to claim 3, characterized in that: The capping mechanism further comprises a bottle cap positioning member, which is drivably and movably arranged at the high end portion of the device body, and is close to the capping member.

5. The capping device according to claim 2, characterized in that: The cap screwing device also includes a cap upper mechanism, which includes a cap feeding member, the cap feeding member forms a cap feeding channel, an upper cap opening connected to the cap feeding channel, and a lower cap opening connected to the cap feeding channel, and the cap feeding member is obliquely arranged at the high end portion of the device body.

6. The capping device according to claim 5, characterized in that: The upper cover mechanism includes a pressing cover member and a blocking cover assembly, the pressing cover member is drivable and movable up and down at one end of the cover feeding member close to the lower cover opening, and the pressing cover member is located above the lower cover opening, the blocking cover assembly includes two blocking cover members and two reset members, the two blocking cover members are relatively installed on one end of the cover feeding member forming the lower cover opening, and the two blocking cover members partially cover the lower cover opening to prevent the push-type bottle cap that slides to the lower cover opening from falling downward, the reset member is arranged between one end of the cover feeding member forming the lower cover opening and the blocking cover member, the blocking cover member has a lower cover inclined wall at one end away from the reset member, the lower cover inclined wall forms an acute angle with the lower cover inclined wall in the horizontal direction extending toward the reset member, so that the push-type bottle cap moves downward from between the two lower cover inclined walls.

7. The capping device according to claim 5, characterized in that: The capping device also includes a container detection mechanism, which includes a detection member and a blocking member. The detection member is installed on the workbench and faces the conveying member. The detection member is used to detect whether the container passes through. The blocking member forms a predetermined angle with the conveying direction of the conveying member.

8. The capping device according to claim 1, characterized in that: The conveying mechanism further includes a conveying driving member, the conveying member is connected to the conveying driving member, and the conveying driving member is used to drive the conveying member to convey the container from the feed port to the discharge port.

9. The capping device according to claim 1, characterized in that: The fastening mechanism also includes a second container limiting assembly, which includes two second container limiting members and a second limiting driving member, the second container limiting member is connected to the second limiting driving member, the second limiting driving member is installed on the workbench, and the two second container limiting members are respectively located on opposite sides of the conveying member and below the fastener, and the two second container limiting members are driven by the second limiting driving member to move horizontally relative to or opposite to each other along a conveying direction perpendicular to the conveying member, so that the distance between the two second container limiting members is adjustable.

10. The capping device according to claim 7, characterized in that: The container detection mechanism further includes a blocking driving member, the blocking member and the detection member are connected to the blocking driving member, and the blocking driving member drives the blocking member to move horizontally in a conveying direction perpendicular to the conveying member.

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