Cap sleeving device based on automatic cap screwing machine assembly line

Abstract

The utility model belongs to the technical field of cap sleeving devices, and particularly relates to a cap sleeving device based on an automatic cap screwing machine assembly line, which comprises a can conveying mechanism installed on the automatic cap screwing machine assembly line and used for conveying can bodies backwards. A sliding groove plate which is obliquely arranged and used for conveying the cover bodies backwards is erected above the front end of the can conveying mechanism, the bottom of the rear end of the sliding groove plate is provided with a cover falling opening matched with the cover bodies, and the left side and the right side of the rear end of the sliding groove plate are provided with two cover clamping mechanisms which are matched with each other and used for clamping the cover bodies correspondingly. A cover pressing mechanism is arranged above the rear end of the sliding groove plate, two can supporting mechanisms are arranged on the left side and the right side of the can conveying mechanism and correspond to the rear end of the sliding groove plate respectively, and the two can supporting mechanisms are driven by a driving mechanism to be used for supporting can bodies and guiding and conveying the can bodies to the position under the cover falling opening.

Description

Technical Field

[0001] The utility model belongs to the technical field of capping devices, in particular to a capping device based on an automatic capping machine assembly line. Background Art

[0002] In order to facilitate the transportation, storage, sale and use of toothpicks, toothpicks are generally matched with toothpick jars, which mainly include a jar body and a cover body.

[0003] Currently, there are two main methods for packaging toothpicks during the toothpick production process: one is that small workshop manufacturers manually grab a handful of toothpicks and put them into the can body, and then manually screw on the lid, which has the problems of low production efficiency and unsanitary conditions; the other is that larger manufacturers use automated production lines, first filling a large number of toothpicks directly into the can body on the automatic capping machine assembly line, and then using a robot to cover the top opening of the can body and tighten it. However, the robot needs to grab and release each lid one by one, which has the problems of low efficiency and high cost of the robot capping. Therefore, there is an urgent need to develop a low-cost and high-efficiency capping device based on the automatic capping machine assembly line. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide a capping device based on an automatic capping machine assembly line with reasonable design, simple structure, low cost and high capping efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A capping device based on an automatic capping machine assembly line includes a can feeding mechanism, which is installed on the automatic capping machine assembly line and is used to convey the can body backward. A slide plate with a front high and a rear low tilted setting for conveying the cover body backward is provided above the front end of the can feeding mechanism. A cover drop opening adapted to the cover body is provided at the bottom of the rear end of the slide plate. Two cover clamping mechanisms that cooperate with each other to clamp the cover body are respectively provided on the left and right sides of the rear end of the slide plate. A cover pressing mechanism is provided above the rear end of the slide plate. Two can supporting mechanisms are respectively provided on the left and right sides of the can feeding mechanism corresponding to the rear end of the slide plate. The two can supporting mechanisms are driven by a driving mechanism to support the can body and guide it to be conveyed directly below the cover drop opening.

[0007] Preferably, the can feeding mechanism includes a frame and a conveying motor. The frame is fixedly installed on the automatic capping machine assembly line. Two horizontal rollers are rotatably installed at the front and rear ends of the frame through bearings. A horizontal conveyor belt is provided between the two horizontal rollers, and one of the horizontal rollers is driven by the conveying motor.

[0008] Preferably, the conveying motor is fixedly installed below the front end of the frame, and the output shaft of the conveying motor and one end of one of the horizontal rollers are respectively fixedly sleeved with two first gears, and a gear belt is provided between the two first gears.

[0009] Preferably, the chute plate includes a bottom plate and side plates, and the two side plates are installed at a distance from each other on the left and right sides of the upper surface of the bottom plate.

[0010] Preferably, the clamping cover mechanism includes a clamping rod, a clamping head and a first adjusting bolt. The two clamping rods are symmetrically arranged on the left and right sides of the rear end of the slide plate. The middle parts of the two clamping rods are movably sleeved with a longitudinal rotating shaft, and the lower ends of the longitudinal rotating shafts are vertically fixed to the bottom plate. Two positioning rods are vertically fixed to the upper front ends of the two clamping rods, and a positioning piece is provided between the two positioning rods. The front ends of the two clamping heads are connected to the rear ends of the two clamping rods through the first adjusting bolt to adjust the clamping angle. The rear ends of the two clamping heads are close to each other for clamping the cover body.

[0011] Preferably, the clamping cover mechanism further includes a positioning prism and a second adjusting bolt, and the two positioning prisms are respectively connected to the front ends of the two clamping rods through the second adjusting bolts for adjusting the distance between the front ends of the clamping rods and the adjacent side plates.

[0012] Preferably, the cover pressing mechanism includes an adjusting rod, a configuration block, a connecting block and a cover pressing plate. The adjusting rod is rotatably passed through the two side plates at the rear end of the slide plate. The two ends of the adjusting rod extend out of the outside of the side plates and are connected to the two configuration blocks. The middle part of the adjusting rod is fixedly connected to the upper surface of the front end of the cover pressing plate through the connecting block.

[0013] Preferably, the tank supporting mechanism includes a U-shaped frame, the opening of the U-shaped frame is toward the tank feeding mechanism and extends in the front and rear directions, the front and rear ends of the U-shaped frame are respectively connected to two longitudinal rollers through bearings, a longitudinal conveyor belt is provided between the two longitudinal rollers, and one of the longitudinal rollers is connected to the driving mechanism for transmission.

[0014] Preferably, the driving mechanism includes a driving motor, a driving shaft and a transmission shaft. The upper ends of the two transmission shafts are respectively fixedly connected to the centers of the two longitudinal rollers located at the rear end of the U-shaped frame, and the lower ends of the two transmission shafts are respectively fixedly sleeved with two second gears. The driving shaft is rotatably mounted on the bottom of the frame of the can feeding mechanism through bearings and extends in the left and right directions. Two third gears are respectively fixedly sleeved at both ends of the driving shaft. The two third gears are respectively engaged with the two second gears to drive the two second gears to rotate in the opposite direction. The driving shaft is driven to rotate by the driving motor.

[0015] Furthermore, it also includes an adjustment support mechanism for adjusting the inclination angle of the slide plate, the adjustment support mechanism includes a support horizontal bar and a support vertical plate, the support horizontal bar is fixedly installed on the lower surface of the middle part of the slide plate and extends in the left and right directions, the lower ends of the two support vertical plates are respectively fixedly installed on the left and right sides of the tank feeding mechanism, one side of the upper end of the two support vertical plates is rotatably connected to the left and right ends of the support horizontal bar through a hinge shaft, two threaded holes are respectively provided on the other side of the left and right ends of the support horizontal bar, and two arc-shaped adjustment grooves are respectively provided on the other side of the upper ends of the two support vertical plates, and locking bolts are slidably provided in the two adjustment grooves, and the locking bolts are threadedly connected to the corresponding threaded holes for locking the support vertical plates.

[0016] The utility model adopts the above technical solution and has the following technical effects:

[0017] The utility model, through the added sliding slot plate, cover clamping mechanism, cover pressing mechanism and can supporting mechanism, can utilize the sliding slot plate with a high front and a low rear inclined setting to slide and transport the cover body backward, and utilize the cover clamping mechanism to clamp the cover body to prevent the cover body from sliding out and falling from the rear end of the sliding slot plate due to inertia during the sliding process. During this period, the provided cover pressing mechanism can not only limit the sliding cover body longitudinally, but also prevent the rear cover body from bouncing up and covering the front cover body when the front cover body is clamped by the cover clamping mechanism, causing the cover bodies to stack; under the mutual cooperation of the sliding slot plate, the cover clamping mechanism and the cover pressing mechanism, the utility model can realize the continuous and one-by-one transportation of the cover bodies to the cover drop opening at the rear end of the sliding slot plate, so that they can be covered on the can body directly below the cover drop opening, thereby solving the problems of low cover-covering efficiency and high cost in the prior art.

[0018] The can-feeding mechanism provided by the present invention can be installed on an automatic capping machine assembly line to convey can bodies from front to back to the next process, or it can be directly used as a conveying mechanism on an automatic capping machine assembly line in the prior art. The can-supporting mechanism provided by the present invention can not only guide the can bodies in an orderly manner to be conveyed directly below the capping opening to prevent them from deviating, but also can prevent the can bodies from tipping over when the can bodies and cap bodies come into contact with each other during the capping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art description. The following description is given with respect to the drawings:

[0020] Figure 1 This is a three-dimensional schematic diagram from one perspective of the present invention;

[0021] Figure 2 This is a three-dimensional schematic diagram from another perspective of the present invention;

[0022] Figure 3 for Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0023] Figure 4 This is a schematic diagram of the structure of the utility model after removing one side of the components;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the tank supporting mechanism of the present invention;

[0025] Figure 6 This is another perspective schematic diagram of the present invention;

[0026] In the picture:

[0027] 10. Can feeding mechanism; 11. Frame; 12. Horizontal roller; 13. Horizontal conveyor belt; 14. Conveyor motor; 15. First gear; 16. Gear belt; 21. Can body; 22. Cover body; 30. Slide plate; 31. Cover opening; 32. Bottom plate; 33. Side plate; 40. Cover clamping mechanism; 41. Clamping rod; 42. Clamping head; 43. First adjusting bolt; 44. Positioning rod; 45. Positioning member; 46. Positioning prism; 47. Second adjusting bolt; 48 , longitudinal rotating shaft; 50, capping mechanism; 51, adjusting rod; 52, configuration block; 53, connecting block; 54, capping plate; 60, tank supporting mechanism; 61, U-shaped frame; 62, longitudinal roller; 63, longitudinal conveyor belt; 70, adjusting support mechanism; 71, supporting horizontal bar; 72, supporting vertical plate; 73, adjusting slot; 74, hinge shaft; 80, driving mechanism; 81, driving motor; 82, driving shaft; 83, transmission shaft; 84, second gear; 85, third gear. DETAILED DESCRIPTION

[0028] The embodiments described below are only a portion of the embodiments of the present invention and do not represent all embodiments consistent with the present invention. The exemplary embodiments are described below in conjunction with the accompanying drawings:

[0029] See Figure 1-6As shown in FIG1 , the capping device based on the automatic capping machine assembly line of the present invention includes a can feeding mechanism 10, which is installed on the automatic capping machine assembly line for conveying the can body 21 backward. The can feeding mechanism 10 can be installed on the automatic capping machine assembly line for conveying the can body 21 from front to back to the next process, or the existing conveying mechanism for conveying the can body 21 on the automatic capping machine assembly line can be directly adopted; in order to solve the problems of low capping efficiency and high cost in the prior art, the present invention adds a slide plate 30, a cap clamping mechanism 40, a cap pressing mechanism 50, a can supporting mechanism 60 and its driving mechanism 80. A chute plate 30 with a high front and a low back tilted setting for conveying the cover body 22 backward is mounted above the front end of the can feeding mechanism 10. A cover drop opening 31 adapted to the cover body 22 is opened at the bottom of the rear end of the chute plate 30. Two cover clamping mechanisms 40 that cooperate with each other to clamp the cover body 22 are respectively provided on the left and right sides of the rear end of the chute plate 30. A cover pressing mechanism 50 is provided above the rear end of the chute plate 30. Two can supporting mechanisms 60 are respectively provided on the left and right sides of the can feeding mechanism 10 corresponding to the rear end of the chute plate 30. The two can supporting mechanisms 60 are driven by a driving mechanism 80 to support the can body 21 and guide it to be conveyed to the bottom of the cover drop opening 31.

[0030] In this embodiment, the chute plate 30 with a high front and a low back can be used to slide the cover body 22 backward, and the cover clamping mechanism 40 can be used to clamp the cover body 22 at the rear end to prevent the cover body 22 from sliding out of the rear end of the chute plate 30 due to inertia during the sliding process. During this period, the cover pressing mechanism 50 can not only limit the sliding cover body 22 longitudinally, but also prevent the rear cover body 22 from bouncing up and covering the front cover body 22 when the front cover body 22 is clamped by the cover clamping mechanism 50, thereby causing the cover bodies 22 to stack. With the cooperation of the mechanism 40 and the cover pressing mechanism 50, the cover body 22 can be continuously and one by one transported to the cover drop opening 31 at the rear end of the slide plate 30, so as to be covered on the can body 21 transported to the bottom of the cover drop opening 31 by the can feeding mechanism 10; in addition, the utility model uses the can supporting mechanism 60 provided on the can feeding mechanism 10, which can not only guide the can bodies 21 one by one in an orderly manner to the bottom of the cover drop opening 31 to avoid deviation, but also uses the two can supporting mechanisms 60 provided on the left and right to avoid the problem of the can body 21 tipping over during the contact between the can body 21 and the cover body 22 for covering.

[0031] See Figure 1As shown, as a preferred embodiment, based on the above structure, preferably, the can feeding mechanism 10 includes a frame 11, a horizontal roller 12, a horizontal conveyor belt 13 and a conveying motor 14. The frame 11 is fixedly installed on the automatic capping machine assembly line. The front and rear ends of the frame 11 are respectively rotatably mounted with two horizontal rollers 12 extending in the left and right directions through bearings. A horizontal conveyor belt 13 is provided between the two horizontal rollers 12, and one of the horizontal rollers 12 is driven by the conveying motor 14.

[0032] On the basis of the above structure, preferably, the conveying motor 14 is fixedly installed below the front end of the frame 11, and the output shaft of the conveying motor 14 and one end of a horizontal roller 12 located at the front end are respectively fixedly sleeved with two first gears 15, and a gear belt 16 is provided between the two first gears 15 to connect them.

[0033] In this embodiment, by setting the first gear 15 and the gear belt 16, the output shaft of the conveying motor 14 can be installed below the front end of the frame 11 extending in the left and right directions. The equipment is reasonably distributed, the structure is more compact, and the equipment installation space is saved.

[0034] See Figure 2 As shown, as a preferred embodiment, based on the above structure, preferably, the slide plate 30 includes a bottom plate 32 and a side plate 33, and the two side plates 33 are installed on the left and right sides of the upper surface of the bottom plate 32 at a distance to form a sliding groove for the cover body 22 to slide.

[0035] On the basis of the above structure, preferably, the lower ends of the two side panels 33 are provided with outwardly extending folding edges, so as to facilitate fixed connection with the bottom plate 32 by connecting parts such as screws.

[0036] See Figure 3As shown, as a preferred embodiment, based on the above structure, preferably, the clamping cover mechanism 40 includes a clamping rod 41, a clamping head 42 and a first adjusting bolt 43, and the two clamping rods 41 are symmetrically arranged on the left and right sides of the rear end of the slide plate 30. The middle part of the two clamping rods 41 is movably provided with a longitudinal rotation shaft 48, and the lower end of the longitudinal rotation shaft 48 is vertically fixed to the bottom plate 32, so that the clamping rod 41 can rotate around the longitudinal rotation shaft 48 to achieve the rear ends of the two clamping rods 41 away from or close to each other. Two positioning rods are respectively vertically fixed to the upper front ends of the two clamping rods 41. 44. A positioning piece 45 is provided between the two positioning rods 44. Under the action of the positioning piece 45, the distance between the front ends of the two clamping rods 41 can be kept stable. The front ends of the two clamping heads 42 and the rear ends of the two clamping rods 41 are respectively connected by a first adjusting bolt 43, so that the first adjusting bolt 43 can be used to adjust the installation angle of the clamping head 42 relative to the clamping rod 41, thereby realizing the adjustment of the clamping angle between the two clamping heads 42, so that the rear ends of the two clamping heads 42 are close to each other to form an outlet smaller than the outer diameter of the cover body 22, so as to clamp the cover body 22 and prevent it from sliding out of the rear end. In order to be able to more conveniently adjust the distance between the rear ends of the two clamping heads 42 within a limited range, on the basis of the above structure, the clamping cover mechanism 40 further includes a positioning prism 46 and a second adjusting bolt 47. The two positioning prisms 46 are respectively connected to the front ends of the two clamping rods 41 through the second adjusting bolt 47, so that different surfaces or lines of the positioning prisms 46 can be used to abut against adjacent side panels 33, so as to adjust the distance between the front end of the clamping rod 41 and the adjacent side panels 33.

[0037] Based on the above structure, preferably, the cross section of the positioning prism 46 is square, rectangular or hexagonal.

[0038] On the basis of the above structure, preferably, in order to facilitate the adjustment of the distance between the front end of the clamping rod 41 and the adjacent side plate 33 by manually rotating the positioning prism 46 circumferentially, the positioning member 45 is preferably an elastic member with a certain elasticity such as a spring or an elastic ring, and the two ends of the elastic member are respectively connected to the two positioning rods 44, so that the front ends of the two positioning rods 44 are pulled close to each other.

[0039] See Figure 3 As shown, as a preferred embodiment, based on the above structure, preferably, the cover pressing mechanism 50 includes an adjusting rod 51, a configuration block 52, a connecting block 53 and a cover pressing plate 54, and the adjusting rod 51 is rotatably passed through the two side plates 33 at the rear end of the slide plate 30, and the two ends of the adjusting rod 51 extend out of the outside of the side plates 33 and are connected to the two configuration blocks 52, and the middle part of the adjusting rod 51 is fixedly connected to the upper surface of the front end of the cover pressing plate 54 through the connecting block 53.

[0040] On the basis of the above structure, as an embodiment, both ends of the adjusting rod 51 are smooth rods, and the configuration block 52 is an eccentric block. The configuration block 52 is tightly sleeved on the adjusting rod 51. When in use, after adjusting the pitch angles of the front and rear ends of the pressure cover plate 54 by rotating the adjusting rod 51 (that is, adjusting the clamping force on the cover body 22), the eccentric position of the configuration block 52 on the adjusting rod 51 can be adjusted by rotating to achieve the front and rear balance of the pressure cover plate 54, thereby achieving the fixation of the pitch angle of the pressure cover plate 54; as another embodiment, both ends of the adjusting rod 51 are threaded rods, and the configuration block 52 is connected to the adjusting rod 51 through an internal thread. When in use, the two configuration blocks 52 can be rotated to adjust so that they are clamped on the two side plates 33 to prevent the pressure cover plate 54 from rotating around the adjusting rod 51, thereby achieving the fixation of the pitch angle of the pressure cover plate 54.

[0041] See Figure 5 As shown, as a preferred embodiment, based on the above structure, preferably, the tank supporting mechanism 60 includes a U-shaped frame 61, the opening of the U-shaped frame 61 is toward the tank feeding mechanism 10 and extends in the front and rear directions, and the front and rear ends of the U-shaped frame 61 are respectively connected to two longitudinal rollers 62 through bearings for rotation, and a longitudinal conveyor belt 63 is provided between the two longitudinal rollers 62, and one of the longitudinal rollers 62 is connected to the driving mechanism 80 for transmission.

[0042] See Figure 5 As shown, as a preferred embodiment, based on the above structure, preferably, the driving mechanism 80 includes a driving motor 81, a driving shaft 82 and a transmission shaft 83. The upper ends of the two transmission shafts 83 are respectively fixedly connected to the center of the two longitudinal rollers 62 located at the rear end of the U-shaped frame 61, and the lower ends of the two transmission shafts 83 are respectively fixedly sleeved with two second gears 84. The driving shaft 82 is rotatably mounted on the bottom of the frame 11 of the can feeding mechanism 10 through bearings and extends in the left and right directions. Two third gears 85 are respectively fixedly sleeved at both ends of the driving shaft 82. The two third gears 85 are respectively engaged with the two second gears 84 to drive the two second gears 84 to rotate in the opposite direction. The driving shaft 82 is driven to rotate by the driving motor 81.

[0043] In this embodiment, the drive motor 81 is connected to the drive shaft 82 so that it can drive the two second gears 84 to rotate in the opposite direction through the two third gears 85, and then drive the two longitudinal conveyor belts 63 to stick to the side walls of the tank body 21 through the transmission shaft 83 and the longitudinal roller 62, so as to transport the tank body 21 backward.

[0044] Based on the above structure, as one embodiment, the drive motor 81 is installed on one side of the frame 11 through a bracket, and the output shaft of the drive motor 81 is fixedly connected to one end of the drive shaft 82 to realize power transmission; as another embodiment, the output shaft of the drive motor 81 is installed at the bottom of the frame 11 extending in the front-to-back direction, and the output shaft of the drive motor 81 and the middle part of the drive shaft 82 are meshed and connected through a conventional gear assembly in the prior art to realize power transmission.

[0045] See Figure 4 As shown, as a preferred embodiment, on the basis of the above structure, the utility model further includes an adjustment support mechanism 70 for adjusting the inclination angle of the chute plate 30, and the adjustment support mechanism 70 includes a support horizontal bar 71 and a support vertical plate 72. The support horizontal bar 71 is fixedly mounted on the lower surface of the middle part of the chute plate 30 and extends in the left and right directions. The lower ends of the two support vertical plates 72 are respectively fixedly mounted on the left and right sides of the tank feeding mechanism 10, and one side of the upper end of the two support vertical plates 72 is rotatably connected to one side of the left and right ends of the support horizontal bar 71 through a hinge shaft 74, so that the chute plate 30 can be moved around the hinge shaft 74. The cam 73 is a substantially parallel plate 74 formed on the left and right sides of the cam 74 so that the cam 74 can be rotated to adjust the inclination angle of the slide plate 30. Two threaded holes are respectively provided on the other side of the left and right ends of the support horizontal bar 71. Two arc-shaped adjustment slots 73 are respectively provided on the other side of the upper ends of the two support vertical plates 72. Locking bolts are slidably provided in the two adjustment slots 73. After the inclination angle of the slide plate 30 is adjusted, the conventional locking bolts in the prior art can be used to pass the threaded rod end through the adjustment slot 73 and then be threadedly connected to the threaded hole on the other side of the support horizontal bar 71, so as to lock the support vertical plate 72 and the support horizontal bar 71, thereby fixing the inclination angle of the slide plate 30.

[0046] The above are only preferred specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any equivalent changes, modifications, substitutions and variations made by technicians in this technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of existing technologies should be within the scope of protection determined by the claims.

Claims

1. A capping device based on an automatic capping machine production line, comprising a can feeding mechanism (10), wherein the can feeding mechanism (10) is installed on the automatic capping machine production line for conveying a can body (21) backward, and is characterized in that: A chute plate (30) is provided above the front end of the can delivery mechanism (10) and is tilted with a front higher and a rear lower setting for delivering the cover body (22) backward. A cover drop opening (31) adapted to the cover body (22) is provided at the bottom of the rear end of the chute plate (30). Two cover clamping mechanisms (40) that cooperate with each other to clamp the cover body (22) are provided on the left and right sides of the rear end of the chute plate (30). A cover pressing mechanism (50) is provided above the rear end of the chute plate (30). Two can supporting mechanisms (60) are provided on the left and right sides of the can delivery mechanism (10) corresponding to the rear end of the chute plate (30). The two can supporting mechanisms (60) are driven by a driving mechanism (80) to support the can body (21) and guide it to be delivered directly below the cover drop opening (31).

2. The capping device based on the automatic capping machine assembly line according to claim 1, characterized in that: The can delivery mechanism (10) comprises a frame (11) and a delivery motor (14). The frame (11) is fixedly mounted on an automatic capping machine production line. Two horizontal rollers (12) are rotatably mounted on the front and rear ends of the frame (11) through bearings. A horizontal conveyor belt (13) is provided between the two horizontal rollers (12). One of the horizontal rollers (12) is driven by the delivery motor (14).

3. The capping device based on the automatic capping machine assembly line according to claim 2, characterized in that: The conveying motor (14) is fixedly mounted below the front end of the frame (11); the output shaft of the conveying motor (14) and one end of one of the horizontal rollers (12) are respectively fixedly sleeved with two first gears (15); a gear belt (16) is provided between the two first gears (15) for connection.

4. The capping device based on the automatic capping machine assembly line according to claim 1, characterized in that: The chute plate (30) comprises a bottom plate (32) and side plates (33), and the two side plates (33) are installed at intervals on the left and right sides of the upper surface of the bottom plate (32).

5. The capping device based on the automatic capping machine assembly line according to claim 4, characterized in that: The clamping cover mechanism (40) includes a clamping rod (41), a clamping head (42) and a first adjusting bolt (43). The two clamping rods (41) are symmetrically arranged on the left and right sides of the rear end of the slide plate (30). The middle parts of the two clamping rods (41) are movably sleeved with a longitudinal rotating shaft (48). The lower end of the longitudinal rotating shaft (48) is vertically fixed to the bottom plate (32). Two positioning rods (44) are respectively vertically fixed to the upper front ends of the two clamping rods (41). A positioning piece (45) is provided between the two positioning rods (44). The front ends of the two clamping heads (42) are respectively connected to the rear ends of the two clamping rods (41) through the first adjusting bolt (43) so that the clamping angle can be adjusted. The rear ends of the two clamping heads (42) are close to each other for clamping the cover body (22).

6. The capping device based on the automatic capping machine assembly line according to claim 5, characterized in that: The clamping cover mechanism (40) further comprises a positioning prism (46) and a second adjusting bolt (47). The two positioning prisms (46) are respectively connected to the front ends of the two clamping rods (41) through the second adjusting bolt (47) for adjusting the distance between the front ends of the clamping rods (41) and the adjacent side plates (33).

7. The capping device based on the automatic capping machine assembly line according to claim 4, characterized in that: The cover pressing mechanism (50) comprises an adjusting rod (51), a configuration block (52), a connecting block (53) and a cover pressing plate (54). The adjusting rod (51) is rotatably inserted into the two side plates (33) at the rear end of the slide plate (30). The two ends of the adjusting rod (51) extend out of the outer sides of the side plates (33) and are connected to the two configuration blocks (52). The middle part of the adjusting rod (51) is fixedly connected to the upper surface of the front end of the cover pressing plate (54) through the connecting block (53).

8. The capping device based on the automatic capping machine assembly line according to claim 1, characterized in that: The can supporting mechanism (60) includes a U-shaped frame (61). The opening of the U-shaped frame (61) faces the can conveying mechanism (10) and extends in the front-to-back direction. The front and rear ends of the U-shaped frame (61) are rotatably connected to two longitudinal rollers (62) via bearings. A longitudinal conveyor belt (63) is provided between the two longitudinal rollers (62). One of the longitudinal rollers (62) is transmission-connected to the driving mechanism (80).

9. The capping device based on the automatic capping machine assembly line according to claim 8, characterized in that: The driving mechanism (80) comprises a driving motor (81), a driving shaft (82) and a transmission shaft (83). The upper ends of the two transmission shafts (83) are respectively fixedly connected to the centers of the two longitudinal rollers (62) located at the rear end of the U-shaped frame (61). The lower ends of the two transmission shafts (83) are respectively fixedly sleeved with two second gears (84). The driving shaft (82) is rotatably mounted on the bottom of the frame (11) of the can delivery mechanism (10) through a bearing and extends in the left and right directions. Two third gears (85) are respectively fixedly sleeved at both ends of the driving shaft (82). The two third gears (85) are respectively meshed and connected with the two second gears (84) to drive the two second gears (84) to rotate in the opposite direction. The driving shaft (82) is driven to rotate by the driving motor (81).

10. The capping device based on the automatic capping machine assembly line according to claim 1, characterized in that: The utility model further comprises an adjusting support mechanism (70) for adjusting the inclination angle of the chute plate (30), wherein the adjusting support mechanism (70) comprises a supporting horizontal bar (71) and a supporting vertical plate (72), wherein the supporting horizontal bar (71) is fixedly mounted on the lower surface of the middle portion of the chute plate (30) and extends in the left and right directions, and the lower ends of the two supporting vertical plates (72) are respectively fixedly mounted on the left and right sides of the tank feeding mechanism (10), and one side of the upper end of the two supporting vertical plates (72) is rotatably connected to one side of the left and right ends of the supporting horizontal bar (71) through a hinge shaft (74), and two threaded holes are respectively provided on the other side of the left and right ends of the supporting horizontal bar (71), and two arc-shaped adjusting grooves (73) are respectively provided on the other side of the upper ends of the two supporting vertical plates (72), and locking bolts are slidably provided in the two adjusting grooves (73), and the locking bolts are threadedly connected to the corresponding threaded holes for locking the supporting vertical plates (72).

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