Automatic cap screwing device

Abstract

The utility model discloses an automatic cap screwing device which comprises a machine frame, a clamping assembly, a cap screwing mechanism and a driving mechanism, and the machine frame is provided with a conveying belt used for conveying wine bottles. The clamping assembly is arranged on the rack and used for clamping a wine bottle body. The cap screwing mechanism comprises a lifting assembly, a lower pressing head assembly and a cap screwing assembly. When the wine bottle is conveyed to the clamping assembly through the conveying belt, the first driving assembly drives the clamping assembly to move left and right and clamps the bottle body of the wine bottle. Then the lifting assembly drives the lower pressing head assembly to move up and down and abut against the wine bottle cap to achieve pressing and positioning, then the second driving assembly drives the cap screwing assembly to move left and right and abut against the wine bottle cap, and finally the cap screwing assembly acts and screws the wine bottle cap. The automatic cap screwing device disclosed by the utility model is adaptive to various specifications of bottle bodies of wide-mouth bottled wine and automatic cap screwing of various specifications of wine caps, and meanwhile, the cap screwing is ensured to be in place under the action of the cap screwing assembly, so that the quality of the wine in the wide-mouth bottle is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bottles, in particular to an automatic capping device. Background Art

[0002] At present, there are various specifications of bottles and caps for wide-mouth bottles of wine, and the size of the caps is relatively large. However, the existing screw-capping devices are difficult to adapt to these wide-mouth bottles of wine for screw-capping operations, so most of the screw-capping work still needs to be done manually. However, due to the relatively large size of the caps, it is relatively difficult to tighten the caps manually, which not only requires a lot of effort, but also takes more time, which undoubtedly wastes a lot of manpower and working hours; in addition, there is a risk of not tightening the caps properly when tightening the caps manually, which may affect the quality of the wine in the wide-mouth bottle.

[0003] Therefore, how to effectively solve the problem of tightening the screw caps of wide-mouth bottles of wine of various specifications is a problem that technicians in this field urgently need to solve. Utility Model Content

[0004] In order to overcome the defects of the above-mentioned prior art, the utility model provides an automatic capping device, which, through the capping mechanism, is adapted to the automation of capping of various specifications of bottles and various specifications of wine caps for wide-mouth bottles, and at the same time ensures that the cap is tightened in place under the capping assembly, thereby avoiding affecting the quality of the wine in the wide-mouth bottle.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] An automatic capping device, comprising:

[0007] a frame provided with a conveyor belt for conveying wine bottles;

[0008] A clamping assembly, which is arranged on the frame and is used to clamp the body of the wine bottle;

[0009] The capping mechanism comprises a lifting assembly, a lower pressure head assembly and a capping assembly, wherein the lifting assembly is used to drive the lower pressure head assembly and the capping assembly to move up and down synchronously;

[0010] A driving mechanism, comprising a first driving assembly and a second driving assembly;

[0011] Among them, when the wine bottle is conveyed to the clamping assembly through the conveyor belt, the first driving assembly drives the clamping assembly to move left and right and clamp the bottle body of the wine bottle; then the lifting assembly drives the down-pressing head assembly to move up and down and abut against the wine bottle cap to achieve pressing and positioning, and then the second driving assembly drives the screw-on cap assembly to move left and right and abut against the wine bottle cap, and finally the screw-on cap assembly moves and tightens the wine bottle cap.

[0012] Further, the clamping assembly includes a first clamping block located on one side of the conveyor belt and a second clamping block located on the other side of the conveyor belt;

[0013] The first drive assembly includes a first drive motor, a first screw rod, a first transmission nut and a second transmission nut, wherein the first screw rod is connected to the output shaft of the first drive motor; a first thread is provided at one end of the first screw rod, and a second thread is provided at the other end thereof, and the first thread and the second thread have opposite thread rotation directions;

[0014] The first transmission nut is sleeved on one end of the first screw rod and is threadedly connected to the first thread, and the second transmission nut is sleeved on the other end of the first screw rod and is threadedly connected to the second thread; the first clamping block is connected to the first transmission nut, and the second clamping block is connected to the second transmission nut;

[0015] When the first drive motor drives the first screw rod to rotate, the first clamping block and the second clamping block can be driven to move toward or away from each other on the first screw rod to clamp or release the wine bottle body.

[0016] Furthermore, the first clamping block and the second clamping block are both V-shaped structures, and the first clamping block and the second clamping block are arranged symmetrically to each other.

[0017] Further, the rotary cover assembly includes a first rotary cover member located on one side of the lower pressure head assembly and a second rotary cover member located on the other side of the lower pressure head assembly;

[0018] The second drive assembly includes a second drive motor, a second screw rod, a third transmission nut and a fourth transmission nut, wherein the second screw rod is connected to the output shaft of the second drive motor; a third thread is provided at one end of the second screw rod, and a fourth thread is provided at the other end thereof, wherein the third thread and the fourth thread have opposite thread rotation directions;

[0019] The third transmission nut is sleeved on one end of the second screw rod and is threadedly connected to the third thread, and the fourth transmission nut is sleeved on the other end of the second screw rod and is threadedly connected to the fourth thread; the first rotary cover is connected to the third transmission nut, and the second rotary cover is connected to the fourth transmission nut;

[0020] When the second driving motor drives the second screw rod to rotate, the first screw cap member and the second screw cap member can be driven to move toward or away from each other on the second screw rod to clamp or loosen the bottle cap of the wine bottle.

[0021] Further, the first rotary cover member includes a first moving seat, a third driving motor and a first rotating wheel, the third driving motor and the first rotating wheel are both arranged on the first moving seat and the third driving motor is transmission-connected to the first rotating wheel; the first moving seat is connected to the third transmission nut;

[0022] The second rotary cover member includes a second moving seat, a fourth drive motor and a second rotating wheel, the fourth drive motor and the second rotating wheel are both arranged on the second moving seat and the fourth drive motor is in transmission connection with the second rotating wheel; the second moving seat is connected with the fourth transmission nut;

[0023] Under the action of the third driving motor and the fourth driving motor, the first rotating wheel and the second rotating wheel can be driven to rotate in the same direction to tighten the bottle cap of the wine bottle.

[0024] Further, at least two first rotating wheels are provided and are arranged at intervals along the front-to-back direction, and at least two second rotating wheels are provided and are arranged at intervals along the front-to-back direction.

[0025] Furthermore, the side walls of the first rotating wheel and the second rotating wheel are both provided with grid-shaped grooves to increase the friction between the first rotating wheel and the second rotating wheel and the bottle cap of the wine bottle.

[0026] Further, the lifting assembly includes a base, a fifth drive motor, a third screw rod and a fifth transmission nut screwed on the third screw rod, the third screw rod is connected to the output shaft of the fifth drive motor; the base is connected to the fifth transmission nut; the capping assembly and the lower pressure head assembly are both arranged on the base;

[0027] When the fifth driving motor drives the third screw rod to rotate, the base can be driven to move up and down, thereby realizing the up and down movement of the rotary cover assembly and the lower pressure head assembly.

[0028] Furthermore, the lower pressure head assembly includes a mounting bracket arranged on the base and a pressure head arranged on the mounting bracket. When the fifth driving motor drives the base to move up and down, it can drive the pressure head to move up and down to tighten or loosen the wine bottle cap.

[0029] Furthermore, it also includes a bottle blocking assembly arranged on the frame, the bottle blocking assembly includes a driving member and a blocking block, and the output end of the driving member is connected to the blocking block;

[0030] When the wine bottle is delivered to the clamping assembly, the driving member drives the stopper to extend and resist the movement of the wine bottle.

[0031] In summary, the utility model has the following technical effects:

[0032] 1. Through the lifting assembly, the down-pressure head assembly and the screw-on assembly, it is suitable for the automation of screwing on various specifications of bottles and various specifications of wine caps for wide-mouth bottles, while reducing manpower and saving time, thereby improving the screwing efficiency of the wine caps for wide-mouth bottles, and ensuring that the screw-on caps are tightened in place, avoiding affecting the quality of the wine in the wide-mouth bottle, and improving the user experience.

[0033] 2. The automatic capping device of the utility model has a simple structure, is easy to use, has a low manufacturing cost, has good stability, and greatly improves production efficiency.

[0034] 3. The automatic capping device of the utility model can adjust the height of the capping assembly and the lower pressure head assembly according to the height of the wine bottle by setting a lifting assembly, thereby meeting the capping requirements of wine bottles of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the structure of the automatic capping device of the utility model;

[0036] Figure 2 This is a structural schematic diagram of the automatic capping device of the utility model from another perspective;

[0037] Figure 3 It is a structural schematic diagram of the clamping assembly in the automatic capping device of the utility model;

[0038] Figure 4 It is a structural schematic diagram of the capping assembly in the automatic capping device of the utility model;

[0039] Figure 5 It is a structural schematic diagram of another perspective of the capping assembly in the automatic capping device of the utility model.

[0040] The meanings of the reference numerals are as follows:

[0041] 1. Frame; 11. Conveyor belt; 2. Wine bottle; 3. First drive motor; 31. First screw rod; 32. First transmission nut; 321. First clamping block; 33. Second transmission nut; 331. Second clamping block; 34. First linear guide; 341. First slider; 4. Fifth drive motor; 41. Third screw rod; 42. Fifth transmission nut; 43. Base; 44. Third linear guide; 441. Third slider; 5. Second drive motor; 51. Second screw rod; 52. Third transmission nut; 521. First moving seat; 5211. Third drive motor; 5212. First rotating wheel; 53. Fourth transmission nut; 531. Second moving seat; 5311. Fourth drive motor; 5312. Second rotating wheel; 54. Second linear guide; 541. Second slider; 6. Mounting bracket; 61. Press head; 7. Driving member; 71. Stopper. DETAILED DESCRIPTION

[0042] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0043] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0045] like Figure 1-5 An automatic capping device shown in the figure includes a frame 1, a clamping assembly, a capping mechanism and a driving mechanism, the frame 1 is provided with a conveyor belt 11 for conveying wine bottles 2; the clamping assembly is arranged on the frame 1 and is used to clamp the bottle body of the wine bottle 2; the capping mechanism includes a lifting assembly, a down-pressing head assembly and a capping assembly, the lifting assembly is used to drive the down-pressing head assembly and the capping assembly to move up and down synchronously; the driving mechanism includes a first driving assembly and a second driving assembly; wherein, when the wine bottle 2 is conveyed to the clamping assembly through the conveyor belt 11, the first driving assembly drives the clamping assembly to move left and right and clamp the bottle body of the wine bottle 2; then the lifting assembly drives the down-pressing head assembly to move up and down and abut against the bottle cap of the wine bottle 2 to achieve pressing and positioning, then the second driving assembly drives the capping assembly to move left and right and abut against the bottle cap, and finally the capping assembly is actuated and the bottle cap of the wine bottle 2 is tightened.

[0046] Based on the above structure, when the automatic capping device of the utility model is used, the conveyor belt 11 on the frame 1 conveys the untightened wine bottle 2 to the clamping assembly, the first driving assembly drives the clamping assembly to clamp the bottle body of the wine bottle 2, the lifting assembly drives the lower pressure head assembly and the capping assembly to move up and down synchronously to adapt to the height of the bottle cap of the wine bottle 2, and then, the second driving assembly drives the capping assembly to abut against the bottle cap of the wine bottle 2, and the capping assembly tightens the bottle cap of the wine bottle 2 when it abuts against the bottle cap of the wine bottle 2. Therefore, through the above lifting assembly and driving mechanism, the automation of capping of various specifications of bottle bodies and wine caps of various specifications of wide-mouth bottled wine is realized, and at the same time, the capping is ensured to be tightened in place, thereby avoiding affecting the quality of the wine in the wide-mouth bottle.

[0047] It should be noted that the automatic capping device of the present invention is mainly used to tighten the bottle caps of wide-mouth wine bottles 2. Of course, canned bottles similar to the wide-mouth wine bottles 2 can also use the automatic capping device of the present invention to tighten the bottle caps, and no specific limitation is made here.

[0048] See also Figure 3 The clamping assembly includes a first clamping block 321 located on one side of the conveyor belt 11 and a second clamping block 331 located on the other side of the conveyor belt 11; the first driving assembly includes a first driving motor 3, a first screw rod 31, a first transmission nut 32 and a second transmission nut 33, the first screw rod 31 is connected to the output shaft of the first driving motor 3; one end of the first screw rod 31 is provided with a first thread, and the other end thereof is provided with a second thread, and the thread rotation directions of the first thread and the second thread are opposite; the first transmission nut 32 is sleeved on one end of the first screw rod 31 and is screwed with the first thread, and the second transmission nut 33 is sleeved on the other end of the first screw rod 31 and is screwed with the second thread; the first clamping block 321 is connected to the first transmission nut 32, and the second clamping block 331 is connected to the second transmission nut 33; when the first driving motor 3 drives the first screw rod 31 to rotate, it can drive the first clamping block 321 and the second clamping block 331 to move in a direction close to or away from each other on the first screw rod 31, so as to clamp or loosen the bottle body of the wine bottle 2.

[0049] Furthermore, the first clamping block 321 and the second clamping block 331 are both V-shaped structures, and the first clamping block 321 and the second clamping block 331 are arranged symmetrically to each other, so as to clamp the bottle body of the wine bottle 2.

[0050] It should be noted that it also includes a first linear guide 34 and two first sliders 341 respectively connected to the first clamping block 321 and the second clamping block 331. The first slider 341 is slidably connected to the first linear guide 34. When the first drive motor 3 drives the first screw rod 31 to rotate, the first clamping block 321 and the second clamping block 331 move and drive the first slider 341 to slide on the first linear guide 34, thereby ensuring that the first clamping block 321 and the second clamping block 331 move smoothly and steadily. At the same time, under the action of the first linear guide 34 and the first slider 341, the relative position deviation of the first clamping block 321 and the second clamping block 331 during the movement process can be avoided, thereby causing the bottle body to tilt when clamping the wine bottle 2.

[0051] See also Figure 4-5The screw cap assembly includes a first screw cap member located on one side of the lower pressure head assembly and a second screw cap member located on the other side of the lower pressure head assembly; the second driving assembly includes a second driving motor 5, a second screw rod 51, a third transmission nut 52 and a fourth transmission nut 53, the second screw rod 51 is connected to the output shaft of the second driving motor 5; a third thread is provided at one end of the second screw rod 51, and a fourth thread is provided at the other end, and the thread rotation directions of the third thread and the fourth thread are opposite; the third transmission nut 52 is sleeved on one end of the second screw rod 51 and is screwed with the third thread, and the fourth transmission nut 53 is sleeved on the other end of the second screw rod 51 and is screwed with the fourth thread; the first screw cap member is connected with the third transmission nut 52, and the second screw cap member is connected with the fourth transmission nut 53; when the second driving motor 5 drives the second screw rod 51 to rotate, it can drive the first screw cap member and the second screw cap member to move in a direction close to or away from each other on the second screw rod 51 to clamp or loosen the bottle cap of the wine bottle 2.

[0052] Further, the first cap screwing member includes a first moving seat 521, a third drive motor 5211 and a first rotating wheel 5212, the third drive motor 5211 and the first rotating wheel 5212 are both arranged on the first moving seat 521 and the third drive motor 5211 is connected to the first rotating wheel 5212 in transmission connection; the first moving seat 521 is connected to the third transmission nut 52; the second cap screwing member includes a second moving seat 531, a fourth drive motor 5311 and a second rotating wheel 5312, the fourth drive motor 5311 and the second rotating wheel 5312 are both arranged on the second moving seat 531 and the fourth drive motor 5311 is connected to the second rotating wheel 5312 in transmission connection; the second moving seat 531 is connected to the fourth transmission nut 53; under the action of the third drive motor 5211 and the fourth drive motor 5311, the first rotating wheel 5212 and the second rotating wheel 5312 can be driven to rotate in the same direction to tighten the bottle cap of the wine bottle 2.

[0053] Furthermore, at least two first rotating wheels 5212 are provided and spaced apart in the front-to-back direction, and at least two second rotating wheels 5312 are provided and spaced apart in the front-to-back direction. The side walls of the first rotating wheel 5212 and the second rotating wheel 5312 are provided with grid-shaped grooves to increase the friction between the first rotating wheel 5212 and the second rotating wheel 5312 and the bottle cap of the wine bottle 2.

[0054] It should be noted that, in the present embodiment, the first rotating wheel 5212 and the second rotating wheel 5312 are respectively located on both sides of the wine bottle 2, and two of each are provided; at the same time, grid-shaped grooves for increasing friction are provided on the outer walls of the first rotating wheel 5212 and the second rotating wheel 5312. Of course, plastic or cloth for increasing friction can also be provided on the outer walls of the first rotating wheel 5212 and the second rotating wheel 5312, and no specific limitation is made here.

[0055] It should be noted that it also includes a second linear guide 54 and two second sliders 541 respectively connected to the first movable seat 521 and the second movable seat 531. The second slider 541 is slidably connected to the second linear guide 54. When the second drive motor 5 drives the second screw rod 51 to rotate, the first movable seat 521 and the second movable seat 531 move and drive the second slider 541 to slide on the second linear guide 54, thereby ensuring that the first movable seat 521 and the second movable seat 531 move smoothly and steadily. At the same time, under the action of the second linear guide 54 and the second slider 541, it can be ensured that the first rotating wheel 5212 and the second rotating wheel 5312 are accurately abutted against the bottle cap of the wine bottle 2, and the bottle cap of the wine bottle 2 is tightened under the action of the third drive motor 5211 driving the first rotating wheel 5212 to rotate and the fourth drive motor 5311 driving the second rotating wheel 5312.

[0056] Furthermore, the lifting assembly includes a base 43, a fifth drive motor 4, a third screw rod 41 and a fifth transmission nut 42 screwed on the third screw rod 41, the third screw rod 41 is connected to the output shaft of the fifth drive motor 4; the base 43 is connected to the fifth transmission nut 42; the screw cap assembly and the lower pressure head assembly are both arranged on the base 43; when the fifth drive motor 4 drives the third screw rod 41 to rotate, it can drive the base 43 to move up and down, thereby realizing the up and down movement of the screw cap assembly and the lower pressure head assembly.

[0057] Specifically, it also includes a third linear guide 44 and two third sliders 441 connected to the base 43. The third sliders 441 are slidably connected to the third linear guide 44. When the fifth drive motor 4 drives the third screw rod 41 to rotate, the base 43 moves up and down and drives the third sliders 441 to slide on the third linear guide 44, thereby ensuring that the base 43 moves up and down smoothly and steadily. At the same time, under the action of the third linear guide 44 and the third sliders 441, it can ensure that the first rotating wheel 5212 and the second rotating wheel 5312 are accurately moved to the bottle cap height of the wine bottle 2.

[0058] Furthermore, the lower pressure head assembly includes a mounting bracket 6 arranged on the base 43 and a pressure head 61 arranged on the mounting bracket 6. When the fifth driving motor 4 drives the base 43 to move up and down, it can drive the pressure head 61 to move up and down to tighten or loosen the bottle cap of the wine bottle 2.

[0059] Specifically, when the first driving motor 3 drives the first clamping block 321 and the second clamping block 331 to clamp the body of the wine bottle 2, the pressing head 61 is located above the center position of the bottle cap of the wine bottle 2, and the fifth driving motor 4 drives the base 43 to move downward so that the pressing head 61 abuts against the bottle cap of the wine bottle 2, and at the same time applies downward pressure to prevent the bottle cap and the body of the wine bottle 2 from being offset when the first rotating wheel 5212 and the second rotating wheel 5312 rotate, thereby causing the bottle cap and the bottle body to be misaligned and the cap cannot be screwed on.

[0060] See also Figure 1 The automatic capping device of the utility model also includes a bottle blocking assembly arranged on the frame 1, and the bottle blocking assembly includes a driving member 7 and a block 71, and the output end of the driving member 7 is connected to the block 71; when the wine bottle 2 is conveyed to the clamping assembly, the driving member 7 drives the block 71 to extend and resist the movement of the wine bottle 2.

[0061] To sum up, the automatic capping device of the utility model is suitable for the automation of capping of various specifications of bottles and various specifications of wine caps in wide-mouth bottles through the lifting assembly, the lower pressure head assembly and the capping assembly, while reducing manpower and saving time, thereby improving the capping efficiency of wide-mouth bottle wine caps, and ensuring that the caps are tightened in place, avoiding affecting the quality of the wine in the wide-mouth bottle, and improving the user experience.

[0062] And under the action of the V-shaped structure of the first clamping block 321 and the second clamping block 331, when the bottle body of the wine bottle 2 is clamped, the pressing head 61 abuts against the center position of the bottle cap of the wine bottle 2, thereby ensuring that the first rotating wheel 5212 and the second rotating wheel 5312 accurately rotate and tighten the bottle cap relative to the bottle body.

[0063] The automatic capping device of the utility model has the advantages of simple structure, convenient use, low manufacturing cost and good stability, and greatly improves production efficiency.

[0064] The automatic capping device of the utility model can adjust the height of the capping assembly and the lower pressure head assembly according to the height of the wine bottle 2 by setting a lifting assembly, thereby meeting the capping requirements of wine bottles 2 of different specifications.

[0065] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0066] It should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0067] In addition, in the description of the present utility model, "multiple" and "several" mean two or more than two, unless otherwise clearly and specifically defined.

[0068] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. An automatic capping device, characterized in that: include: a frame provided with a conveyor belt for conveying wine bottles; A clamping assembly, which is arranged on the frame and is used to clamp the body of the wine bottle; The capping mechanism comprises a lifting assembly, a lower pressure head assembly and a capping assembly, wherein the lifting assembly is used to drive the lower pressure head assembly and the capping assembly to move up and down synchronously; A driving mechanism, comprising a first driving assembly and a second driving assembly; Among them, when the wine bottle is conveyed to the clamping assembly through the conveyor belt, the first driving assembly drives the clamping assembly to move left and right and clamp the bottle body of the wine bottle; then the lifting assembly drives the down-pressing head assembly to move up and down and abut against the wine bottle cap to achieve pressing and positioning, and then the second driving assembly drives the screw-on cap assembly to move left and right and abut against the wine bottle cap, and finally the screw-on cap assembly moves and tightens the wine bottle cap.

2. The automatic capping device according to claim 1, characterized in that: The clamping assembly includes a first clamping block located on one side of the conveyor belt and a second clamping block located on the other side of the conveyor belt; The first drive assembly includes a first drive motor, a first screw rod, a first transmission nut and a second transmission nut, wherein the first screw rod is connected to the output shaft of the first drive motor; a first thread is provided at one end of the first screw rod, and a second thread is provided at the other end thereof, and the first thread and the second thread have opposite thread rotation directions; The first transmission nut is sleeved on one end of the first screw rod and is threadedly connected to the first thread, and the second transmission nut is sleeved on the other end of the first screw rod and is threadedly connected to the second thread; The first clamping block is connected to the first transmission nut, and the second clamping block is connected to the second transmission nut; When the first drive motor drives the first screw rod to rotate, the first clamping block and the second clamping block can be driven to move toward or away from each other on the first screw rod to clamp or release the wine bottle body.

3. The automatic capping device according to claim 2, characterized in that: The first clamping block and the second clamping block are both V-shaped structures, and the first clamping block and the second clamping block are arranged symmetrically to each other.

4. The automatic capping device according to any one of claims 1 to 3, characterized in that: The rotary cover assembly includes a first rotary cover member located on one side of the lower pressure head assembly and a second rotary cover member located on the other side of the lower pressure head assembly; The second drive assembly includes a second drive motor, a second screw rod, a third transmission nut and a fourth transmission nut, wherein the second screw rod is connected to the output shaft of the second drive motor; a third thread is provided at one end of the second screw rod, and a fourth thread is provided at the other end thereof, wherein the third thread and the fourth thread have opposite thread rotation directions; The third transmission nut is sleeved on one end of the second screw rod and is threadedly connected to the third thread, and the fourth transmission nut is sleeved on the other end of the second screw rod and is threadedly connected to the fourth thread; the first rotary cover is connected to the third transmission nut, and the second rotary cover is connected to the fourth transmission nut; When the second driving motor drives the second screw rod to rotate, the first screw cap member and the second screw cap member can be driven to move toward or away from each other on the second screw rod to clamp or loosen the bottle cap of the wine bottle.

5. The automatic capping device according to claim 4, characterized in that: The first rotary cover member includes a first moving seat, a third driving motor and a first rotating wheel, the third driving motor and the first rotating wheel are both arranged on the first moving seat and the third driving motor is in transmission connection with the first rotating wheel; the first moving seat is connected with the third transmission nut; The second rotary cover member includes a second moving seat, a fourth drive motor and a second rotating wheel, the fourth drive motor and the second rotating wheel are both arranged on the second moving seat and the fourth drive motor is in transmission connection with the second rotating wheel; the second moving seat is connected with the fourth transmission nut; Under the action of the third driving motor and the fourth driving motor, the first rotating wheel and the second rotating wheel can be driven to rotate in the same direction to tighten the bottle cap of the wine bottle.

6. The automatic capping device according to claim 5, characterized in that: There are at least two first rotating wheels arranged at intervals in the front-to-back direction, and there are at least two second rotating wheels arranged at intervals in the front-to-back direction.

7. The automatic capping device according to claim 6, characterized in that: The side walls of the first rotating wheel and the second rotating wheel are both provided with grid-shaped grooves to increase the friction between the first rotating wheel and the second rotating wheel and the bottle cap of the wine bottle.

8. The automatic capping device according to any one of claims 5 to 7, characterized in that: The lifting assembly includes a base, a fifth drive motor, a third screw rod and a fifth transmission nut screwed on the third screw rod, the third screw rod is connected to the output shaft of the fifth drive motor; the base is connected to the fifth transmission nut; the capping assembly and the lower pressure head assembly are both arranged on the base; When the fifth driving motor drives the third screw rod to rotate, the base can be driven to move up and down, thereby realizing the up and down movement of the rotary cover assembly and the lower pressure head assembly.

9. The automatic capping device according to claim 8, characterized in that: The lower pressure head assembly includes a mounting bracket arranged on the base and a pressure head arranged on the mounting bracket. When the fifth driving motor drives the base to move up and down, it can drive the pressure head to move up and down to tighten or loosen the bottle cap of the wine bottle.

10. The automatic capping device according to any one of claims 1 to 3, characterized in that: It also includes a bottle blocking assembly arranged on the frame, the bottle blocking assembly includes a driving member and a blocking block, and the output end of the driving member is connected to the blocking block; When the wine bottle is delivered to the clamping assembly, the driving member drives the stopper to extend and resist the movement of the wine bottle.

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