A feeding device for a capping machine for aluminum-plastic pull-ring caps

Abstract

The present invention relates to the technical field of aluminum-plastic ring-pull cap processing, and discloses a feeding device of a capping machine for an aluminum-plastic ring-pull cap, comprising a supporting mechanism, wherein the supporting mechanism comprises a first supporting frame, the interior of the first supporting frame is rotatably connected to a first conveyor belt, the outer wall of the first conveyor belt is fixedly connected to a first connecting rod, the end of the first connecting rod away from the first supporting frame is fixedly connected to a second supporting frame, and the interior of the second supporting frame is rotatably connected to a second conveyor belt. In the process of feeding the aluminum-plastic ring-pull cap, after the aluminum-plastic ring-pull cap is clamped by the feeding mechanism through a clamping assembly, the bottle mouth to be fed is positioned, so as to avoid the aluminum-plastic ring-pull cap contacting with the bottle mouth due to position deviation during the capping process, which may cause damage to the aluminum-plastic ring-pull cap and the bottle body, thereby improving the sealing yield rate of the aluminum-plastic ring-pull cap.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum-plastic pull-ring cover processing, in particular to a feeding device of a capping machine for the aluminum-plastic pull-ring cover. Background Art

[0002] The capping machine is also called a capping machine, a capping machine or a locking machine. The capping machine is a device used to tighten or loosen bottle caps. It is widely used in food, beverage, medicine, chemical and other industries. It can automatically complete operations such as tightening and sealing bottle caps, thereby improving production efficiency and product quality.

[0003] The patent application with application number CN202123166456.X discloses a punch press for producing aluminum-plastic pull-ring covers with an automatic feeding structure, comprising a box body, a base and a side box. The box body is installed on the top side of the base, a waste outlet is installed on the outer side of the box body, a punch press is installed on the bottom inside the box body, a side box is installed on the top side of the base, a motor is installed on the outer side of the side box, a spiral rod is installed on the output end of the motor, a threaded sleeve is installed on the inner end of the spiral rod extending to the side box, and a feeding assembly is installed on the top of the threaded sleeve.

[0004] To summarize, when loading the aluminum-plastic ring-pull cap, it is necessary to position the aluminum-plastic ring-pull cap at the corresponding bottle mouth to avoid the aluminum-plastic ring-pull cap contacting with the bottle mouth due to position deviation during the capping process, which may cause damage to the aluminum-plastic ring-pull cap and the bottle body, thereby reducing the sealing yield of the aluminum-plastic ring-pull cap.

[0005] Therefore, we propose a feeding device for a capping machine for aluminum-plastic pull-ring caps. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a feeding device for a capping machine for aluminum-plastic pull-ring caps to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a feeding device for a capping machine for an aluminum-plastic pull-ring cap, comprising a supporting mechanism, wherein the supporting mechanism comprises a first supporting frame, the first supporting frame is internally rotatably connected to a first conveyor belt, the outer wall of the first conveyor belt is fixedly connected to a first connecting rod, the first connecting rod is fixedly connected to a second supporting frame at one end away from the first supporting frame, the second supporting frame is internally rotatably connected to a second conveyor belt, the outer wall of the second supporting frame on a side away from the first connecting rod is fixedly connected to a second connecting rod, a first groove is formed on an outer wall of the second supporting frame on a side close to the first supporting frame, an adjusting mechanism is provided on the top of the first groove, a third connecting rod is fixedly connected to an outer wall of the second connecting rod on a side away from the second supporting frame, a first motor is fixedly connected to the top of the third connecting rod, an output end of the first motor passes through the third connecting rod and is fixedly connected to a rotating frame, and further comprises:

[0008] The feeding mechanism includes a first push rod fixedly connected to a rotating frame, an output end of the first push rod is fixedly connected to a first fixed block, an inner wall of the first fixed block is fixedly connected to a second push rod, an outer wall of the first fixed block on a side away from the first push rod is fixedly connected to a pressure plate, an output end of the second push rod is fixedly connected to a second fixed block, an inner wall of the second fixed block is fixedly connected to a third push rod, an output end of the third push rod is fixedly connected to a fixed rod, an outer wall of the fixed rod on a side away from the third push rod is fixedly connected to a second motor, an output end of the second motor passes through the fixed rod and is fixedly connected to a rotating block, a second groove is provided on the surface of the rotating block, and a clamping assembly is provided on a side of the rotating block away from the fixed rod.

[0009] According to the above technical solution, the clamping assembly includes a second force-bearing plate, an end of the second force-bearing plate close to the rotating block is fixedly connected to the first elastic assembly, an end of the first elastic assembly away from the second force-bearing plate is fixedly connected to the rotating block, and a second clamping plate is provided on the outer wall of the second force-bearing plate. After the second force-bearing plate contacts the aluminum-plastic pull ring cover, the second clamping plate is flipped over, thereby clamping the aluminum-plastic pull ring cover.

[0010] According to the above technical solution, the number of the second clamping plates is two, and the two second clamping plates are arranged on the left and right sides with the second force-bearing plate as the center. The inner wall of the second clamping plate close to the rotating block is rotatably connected to the first auxiliary rod through a rotating shaft, and the outer wall of the second clamping plate close to the first auxiliary rod is fixedly connected to the second elastic component. The end of the second elastic component away from the second clamping plate is fixedly connected to the first auxiliary rod, and the end of the first auxiliary rod away from the second clamping plate is rotatably connected to the rotating block. The second elastic component is used to adjust the angle between the second clamping plate and the aluminum-plastic pull ring cover, so that the second clamping plate can better contact with the aluminum-plastic pull ring cover.

[0011] According to the above technical solution, the inner wall of the first auxiliary rod on the side close to the second groove is rotatably connected to the second auxiliary rod via a rotating shaft, the outer wall of the second auxiliary rod on the side away from the first auxiliary rod is rotatably connected to the second sliding block via a rotating shaft, the end of the second sliding block away from the second auxiliary rod is rotatably connected to the third auxiliary rod via a rotating shaft, the side of the third auxiliary rod away from the second sliding block is rotatably connected to the second force-bearing plate via a rotating shaft, the outer wall of the second sliding block is slidably connected to the second groove, when the second force-bearing plate contacts the aluminum-plastic pull ring cover, the second sliding block is pushed by the third auxiliary rod, and the second auxiliary rod is rotated by the second sliding block, so that the second clamping plate can be adjusted under the action of the second plate.

[0012] The cam is an assembly made of a first piece and a second piece, and the first piece is connected to the second support frame by a rotation of the rotation axis. The cam is connected to the first piece and the second piece is connected to the second support frame by a rotation axis.

[0013] According to the above technical solution, the top of the second connecting rod is fixedly connected to the first hydraulic rod, the output end of the first hydraulic rod passes through the second connecting rod and is fixedly connected to a connecting block, the bottom outer wall of the connecting block is fixedly connected to a capping device, and the first hydraulic rod pushes the connecting block downward to perform capping operations on bottles of different heights.

[0014] According to the above technical solution, a fixed shaft is fixedly connected to the top of the connecting block, an end of the fixed shaft away from the connecting block passes through the second connecting rod and is fixedly connected to a sliding frame, an outer wall of the sliding frame on one side close to the second connecting rod is fixedly connected to a first spring, an end of the first spring away from the sliding frame is fixedly connected to the second connecting rod, and the number of the fixed shafts is two, and the two fixed shafts are symmetrically arranged with the central axis of the connecting block as the center.

[0015] According to the above technical solution, a second hydraulic rod is fixedly connected to an inner wall of a side of the second connecting rod close to the second supporting frame, a fixing frame is arranged on the top of the second hydraulic rod, an inner wall of the fixing frame is fixedly connected to the second connecting rod, a side of the fixing frame away from the second connecting rod is fixedly connected to the second hydraulic rod, an output end of the second hydraulic rod passes through the second connecting rod and is fixedly connected to an arc plate, the arc plate is used to adjust the position of the bottle body, thereby facilitating the installation operation of the screw capping device.

[0016] Compared with the prior art, the present invention provides a feeding device for a capping machine for an aluminum-plastic pull ring cap, which has the following beneficial effects:

[0017] 1. The present invention provides a feeding device for a capping machine for an aluminum-plastic pull ring cap. During the feeding process of the aluminum-plastic pull ring cap, the feeding mechanism clamps the aluminum-plastic pull ring cap through a clamping assembly, and then positions the bottle mouth to be fed, thereby avoiding the contact between the aluminum-plastic pull ring cap and the bottle mouth due to position deviation during the capping process, which may cause damage to the aluminum-plastic pull ring cap and the bottle body, thereby improving the sealing yield rate of the aluminum-plastic pull ring cap.

[0018] 2. The present invention provides an adjustment mechanism. When the feeding mechanism is in the process of feeding, after the first force-bearing plate is squeezed by the pressing plate, the position of the bottle body that needs to be screwed on is adjusted by the first clamping plate, so as to avoid deviation between the aluminum-plastic pull-ring cover and the bottle mouth during the capping process, and avoid the aluminum-plastic pull-ring cover contacting with the bottle mouth.

[0019] 3. The present invention provides a feeding mechanism. After the clamping assembly clamps and fixes the aluminum-plastic pull-ring cover, the clamping assembly can be flipped by a second motor, thereby preventing the aluminum-plastic pull-ring cover from being placed in reverse during the feeding process on the first conveyor belt, which may cause the aluminum-plastic pull-ring cover to contact the bottle mouth incorrectly and cause damage to the aluminum-plastic pull-ring cover and the bottle body.

[0020] 4. The present invention provides a clamping assembly and controls the distance between the second force-bearing plates on both sides through a third push rod, so that aluminum-plastic pull-ring covers of different diameters can be clamped and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall front structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the supporting mechanism and adjusting mechanism structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0024] Figure 4 For the present invention Figure 1A is a schematic diagram of the enlarged structure of the middle part;

[0025] Figure 5 It is a schematic diagram of the structure of the feeding mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the feeding mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the first push rod and the third push rod of the present invention;

[0028] Figure 8 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0029] In the figure: 1. Support mechanism; 101. First support frame; 102. First conveyor belt; 103. First connecting rod; 104. Second support frame; 105. Second conveyor belt; 106. Second connecting rod; 107. First hydraulic rod; 108. Connecting block; 109. Fixed shaft; 110. Sliding frame; 111. First spring; 112. Fixed frame; 113. Second hydraulic rod; 114. Arc plate; 115. Third connecting rod; 116. First motor; 117. Rotating frame; 118. First groove; 119. Rotating cover device; 2. Adjusting mechanism; 201. First force plate; 202. First rotating rod; 203. First sliding block; 204. two springs; 205, second rotating rod; 206, first clamping plate; 3, feeding mechanism; 301, first push rod; 302, first fixed block; 303, second push rod; 304, pressure plate; 305, second fixed block; 306, third push rod; 307, fixed rod; 308, second motor; 309, rotating block; 310, second groove; 311, clamping assembly; 31101, second force plate; 31102, second clamping plate; 31103, first auxiliary rod; 31104, second auxiliary rod; 31105, second sliding block; 31106, third auxiliary rod; 31107, first elastic assembly; 31108, second elastic assembly. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1: See Figure 1-Figure 2 The present invention provides a technical solution: a feeding device for a capping machine for an aluminum-plastic pull-ring cap, comprising a supporting mechanism 1, wherein the supporting mechanism 1 comprises a first supporting frame 101, wherein the first supporting frame 101 is internally rotatably connected to a first conveyor belt 102, wherein the first conveyor belt 102 is used for conveying the aluminum-plastic pull-ring cap, wherein the outer wall of the first conveyor belt 102 is fixedly connected to a first connecting rod 103, wherein one end of the first connecting rod 103 away from the first supporting frame 101 is fixedly connected to a second supporting frame 104, wherein the second supporting frame 104 is internally rotatably connected to a second conveyor belt 105, wherein the second conveyor belt 105 is used for conveying the bottle body. The second support frame 104 is fixedly connected to the outer wall of the side away from the first connecting rod 103 with the second connecting rod 106, and the outer wall of the side of the second support frame 104 close to the first support frame 101 is provided with a first groove 118, and the top of the first groove 118 is provided with an adjustment mechanism 2, and the outer wall of the side of the second connecting rod 106 away from the second support frame 104 is fixedly connected to the third connecting rod 115, and the top of the third connecting rod 115 is fixedly connected to the first motor 116, and the output end of the first motor 116 runs through the third connecting rod 115, and is fixedly connected to the rotating frame 117, and also includes:

[0034] The feeding mechanism 3 includes a first push rod 301 fixedly connected to the rotating frame 117, the output end of the first push rod 301 is fixedly connected to the first fixed block 302, the inner wall of the first fixed block 302 is fixedly connected to the second push rod 303, the outer wall of the first fixed block 302 away from the first push rod 301 is fixedly connected to the pressure plate 304, the output end of the second push rod 303 is fixedly connected to the second fixed block 305, the inner wall of the second fixed block 305 is fixedly connected to the third push rod 306, the output end of the third push rod 306 is fixedly connected to the fixed rod 307, and the fixed rod 307 is away from the first push rod 301. A second motor 308 is fixedly connected to the outer wall of one side of the three push rods 306, and the output end of the second motor 308 passes through the fixed rod 307 and is fixedly connected to a rotating block 309. A second groove 310 is provided on the surface of the rotating block 309, and a clamping assembly 311 is provided on the side of the rotating block 309 away from the fixed rod 307. The first push rod 301 is used to control the descending height of the clamping assembly 311, and the second push rod 303 is used to adjust the distance between the clamping assembly 311 and the bottle mouth. The third push rod 306 enables the clamping assembly 311 to clamp aluminum-plastic pull-ring covers of different sizes.

[0035] The top of the second connecting rod 106 is fixedly connected to the first hydraulic rod 107 , the output end of the first hydraulic rod 107 passes through the second connecting rod 106 and is fixedly connected to a connecting block 108 , and the bottom outer wall of the connecting block 108 is fixedly connected to a screw cap device 119 .

[0036] A fixed shaft 109 is fixedly connected to the top of the connecting block 108. The end of the fixed shaft 109 away from the connecting block 108 passes through the second connecting rod 106 and is fixedly connected to a sliding frame 110. A first spring 111 is fixedly connected to the outer wall of the sliding frame 110 on one side close to the second connecting rod 106. The first spring 111 enables the connecting block 108 to reduce vibration and assist in stability during the descent. The end of the first spring 111 away from the sliding frame 110 is fixedly connected to the second connecting rod 106.

[0037] A second hydraulic rod 113 is fixedly connected to the inner wall of one side of the second connecting rod 106 close to the second supporting frame 104, a fixing frame 112 is arranged on the top of the second hydraulic rod 113, the inner wall of the fixing frame 112 is fixedly connected to the second connecting rod 106, and the side of the fixing frame 112 away from the second connecting rod 106 is fixedly connected to the second hydraulic rod 113, the output end of the second hydraulic rod 113 passes through the second connecting rod 106, and is fixedly connected to an arc plate 114, which is used to adjust the position of the bottle body, thereby facilitating the installation operation of the screw cap device 119.

[0038] The working principle of this embodiment is as follows: when the capping operation is required, the aluminum-plastic pull-ring cover is clamped by the clamping assembly 311, and the rotating frame 117 is rotated by the first motor 116. The position between the aluminum-plastic pull-ring cover and the bottle mouth is controlled by the first push rod 301 and the second push rod 303. When the aluminum-plastic pull-ring cover is placed on the bottle mouth, the capping device 119 is pushed downward by the first hydraulic rod 107. After the aluminum-plastic pull-ring cover is squeezed by the capping device 119, the capping operation is completed.

[0039] Example 2: Please refer to Figure 3 On the basis of the first embodiment, the present invention provides a technical solution: the adjustment mechanism 2 includes a first sliding block 203 slidably connected to the first groove 118, a first force-bearing plate 201 is arranged on the top of the first sliding block 203, an inner wall of the first force-bearing plate 201 close to the first sliding block 203 is rotatably connected to a first rotating rod 202 through a rotating shaft, an outer wall of the first sliding block 203 away from the first rotating rod 202 is rotatably connected to a second rotating rod 205 through a rotating shaft, and a side of the second rotating rod 205 away from the first sliding block 203 is rotatably connected to a second rotating rod 205. The end is rotatably connected to the first clamping plate 206 through a rotating shaft. The first clamping plate 206 is used to adjust and limit the position of the bottle body, thereby facilitating the operation of the screw-cap device 119. The inner wall of the first clamping plate 206 on one side close to the first force-bearing plate 201 is rotatably connected to the second support frame 104. The surface of the first sliding block 203 is fixedly connected to the second spring 204. The second spring 204 is used for resetting the first sliding block 203. The end of the second spring 204 away from the first sliding block 203 is fixedly connected to the second support frame 104.

[0040] The working principle of this embodiment is as follows: when the clamping assembly 311 squeezes the first force-bearing plate 201, the first force-bearing plate 201 pushes the first sliding block 203 to both sides through the first rotating rod 202, and the first clamping plate 206 is flipped through the second fixed block 305 on the top of the first sliding block 203, so that the position of the bottle body on the second conveyor belt 105 is adjusted by the first clamping plate 206, and at the same time, the arc plate 114 is pushed toward one side of the bottle body through the second hydraulic rod 113, thereby playing a role in positioning and fixing the bottle body on the second conveyor belt 105.

[0041] Example 3: Please refer to Figure 4-Figure 8On the basis of Embodiment 1 and Embodiment 2, the present invention provides a technical solution: the clamping component 311 includes a second force-bearing plate 31101, and the outer wall of the second force-bearing plate 31101 is provided with a second clamping plate 31102. After the second force-bearing plate 31101 contacts the aluminum-plastic pull ring cover, the second clamping plate 31102 is flipped, thereby clamping the aluminum-plastic pull ring cover, and the end of the second force-bearing plate 31101 close to the rotating block 309 is fixedly connected to the first elastic component 31107, and the end of the first elastic component 31107 away from the second force-bearing plate 31101 is fixedly connected to the rotating block 309.

[0042] There are two second clamping plates 31102, and the two second clamping plates 31102 are arranged on the left and right sides with the second force-bearing plate 31101 as the center. The inner wall of the second clamping plate 31102 close to the rotating block 309 is rotatably connected to the first auxiliary rod 31103 through a rotating shaft, and the outer wall of the second clamping plate 31102 close to the first auxiliary rod 31103 is fixedly connected to the second elastic component 31108. The second elastic component 31108 is used to adjust the angle between the second clamping plate 31102 and the aluminum-plastic pull ring cover to facilitate the second clamping plate 31102 to better contact with the aluminum-plastic pull ring cover. The end of the second elastic component 31108 away from the second clamping plate 31102 is fixedly connected to the first auxiliary rod 31103, and the end of the first auxiliary rod 31103 away from the second clamping plate 31102 is rotatably connected to the rotating block 309.

[0043] The inner wall of the first auxiliary rod 31103 on one side close to the second groove 310 is rotatably connected to the second auxiliary rod 31104 through a rotating shaft, and the outer wall of the second auxiliary rod 31104 on one side away from the first auxiliary rod 31103 is rotatably connected to the second sliding block 31105 through a rotating shaft. After the second force plate 31101 contacts the aluminum-plastic pull ring cover, the second sliding block 31105 is pushed by the third auxiliary rod 31106, and the second auxiliary rod 31104 is rotated by the second sliding block 31105, so that the second clamping plate 31102 can be adjusted under the action of the second plate, and the end of the second sliding block 31105 away from the second auxiliary rod 31104 is rotatably connected to the third auxiliary rod 31106 through a rotating shaft, and the side of the third auxiliary rod 31106 away from the second sliding block 31105 is rotatably connected to the second force plate 31101 through a rotating shaft, and the outer wall of the second sliding block 31105 is slidably connected to the second groove 310.

[0044] The working principle of this embodiment is as follows: when the second force-bearing plate 31101 contacts the aluminum-plastic pull ring cover, the second force-bearing plate 31101 presses the third auxiliary rod 31106 to make the second sliding block 31105 slide, and the second sliding block 31105 pushes the second auxiliary rod 31104, so that the second clamping plate 31102 is flipped under the action of the first auxiliary rod 31103, and after the second clamping plate 31102 contacts the aluminum-plastic pull ring cover, the aluminum-plastic pull ring cover is clamped and fixed. After the clamping is completed, if the aluminum-plastic pull ring cover is in an inverted state, the second motor 308 is used to flip the clamping assembly 311 as a whole.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A feeding device for a capping machine for an aluminum-plastic pull-ring cap, comprising a supporting mechanism (1), wherein the supporting mechanism (1) comprises a first supporting frame (101), wherein the first supporting frame (101) is internally rotatably connected to a first conveyor belt (102), wherein the outer wall of the first conveyor belt (102) is fixedly connected to a first connecting rod (103), wherein one end of the first connecting rod (103) away from the first supporting frame (101) is fixedly connected to a second supporting frame (104), wherein the second supporting frame (104) is internally rotatably connected to a second conveyor belt (105), wherein the second supporting frame (104) is located at an end of the first connecting rod (103) away from the first connecting rod (103). A second connecting rod (106) is fixedly connected to one side of the outer wall; a first groove (118) is provided on the outer wall of the second support frame (104) close to the first support frame (101); an adjustment mechanism (2) is provided at the top of the first groove (118); a third connecting rod (115) is fixedly connected to the outer wall of the second connecting rod (106) away from the second support frame (104); a first motor (116) is fixedly connected to the top of the third connecting rod (115); an output end of the first motor (116) passes through the third connecting rod (115) and is fixedly connected to a rotating frame (117), characterized in that: Also included are: The feeding mechanism (3) comprises a first push rod (301) fixedly connected to a rotating frame (117), the output end of the first push rod (301) is fixedly connected to a first fixed block (302), the inner wall of the first fixed block (302) is fixedly connected to a second push rod (303), the outer wall of the first fixed block (302) away from the first push rod (301) is fixedly connected to a pressure plate (304), the output end of the second push rod (303) is fixedly connected to a second fixed block (305), and the inner wall of the second fixed block (305) is fixedly connected to A third push rod (306) is connected, the output end of the third push rod (306) is fixedly connected to a fixed rod (307), the outer wall of the fixed rod (307) away from the third push rod (306) is fixedly connected to a second motor (308), the output end of the second motor (308) passes through the fixed rod (307) and is fixedly connected to a rotating block (309), a second groove (310) is provided on the surface of the rotating block (309), and a clamping assembly (311) is provided on the side of the rotating block (309) away from the fixed rod (307).

2. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 1, characterized in that: The clamping assembly (311) includes a second force-bearing plate (31101), one end of the second force-bearing plate (31101) close to the rotating block (309) is fixedly connected to a first elastic assembly (31107), one end of the first elastic assembly (31107) away from the second force-bearing plate (31101) is fixedly connected to the rotating block (309), and the outer wall of the second force-bearing plate (31101) is provided with a second clamping plate (31102).

3. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 2, characterized in that: There are two second clamping plates (31102), and the two second clamping plates (31102) are arranged on the left and right sides with the second force-bearing plate (31101) as the center. The inner wall of the second clamping plate (31102) close to the rotating block (309) is rotatably connected to the first auxiliary rod (31103) through a rotating shaft. The outer wall of the second clamping plate (31102) close to the first auxiliary rod (31103) is fixedly connected to the second elastic component (31108). The end of the second elastic component (31108) away from the second clamping plate (31102) is fixedly connected to the first auxiliary rod (31103), and the end of the first auxiliary rod (31103) away from the second clamping plate (31102) is rotatably connected to the rotating block (309).

4. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 3, characterized in that: The inner wall of the first auxiliary rod (31103) on the side close to the second groove (310) is rotatably connected to the second auxiliary rod (31104) via a rotating shaft, the outer wall of the second auxiliary rod (31104) on the side away from the first auxiliary rod (31103) is rotatably connected to the second sliding block (31105) via a rotating shaft, the end of the second sliding block (31105) away from the second auxiliary rod (31104) is rotatably connected to the third auxiliary rod (31106) via a rotating shaft, the side of the third auxiliary rod (31106) away from the second sliding block (31105) is rotatably connected to the second force plate (31101) via a rotating shaft, and the outer wall of the second sliding block (31105) is slidably connected to the second groove (310).

5. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 1, characterized in that: The adjusting mechanism (2) comprises a first sliding block (203) slidably connected to the first groove (118); a first force-bearing plate (201) is arranged on the top of the first sliding block (203); an inner wall of the first force-bearing plate (201) close to the first sliding block (203) is rotatably connected to a first rotating rod (202) via a rotating shaft; an outer wall of the first sliding block (203) away from the first rotating rod (202) is rotatably connected to a second rotating rod (205) via a rotating shaft; an end of the second rotating rod (205) away from the first sliding block (203) is rotatably connected to a first clamping plate (206) via a rotating shaft; an inner wall of the first clamping plate (206) close to the first force-bearing plate (201) is rotatably connected to a second support frame (104); a second spring (204) is fixedly connected to the surface of the first sliding block (203); and an end of the second spring (204) away from the first sliding block (203) is fixedly connected to the second support frame (104).

6. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 1, characterized in that: The top of the second connecting rod (106) is fixedly connected to the first hydraulic rod (107), the output end of the first hydraulic rod (107) passes through the second connecting rod (106) and is fixedly connected to a connecting block (108), and the bottom outer wall of the connecting block (108) is fixedly connected to a rotary cover device (119).

7. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 6, characterized in that: The top of the connecting block (108) is fixedly connected to a fixed shaft (109); one end of the fixed shaft (109) away from the connecting block (108) passes through the second connecting rod (106) and is fixedly connected to a sliding frame (110); a first spring (111) is fixedly connected to an outer wall of a side of the sliding frame (110) close to the second connecting rod (106); one end of the first spring (111) away from the sliding frame (110) is fixedly connected to the second connecting rod (106).

8. The feeding device for a capping machine for an aluminum-plastic pull ring cap according to claim 1, characterized in that: A second hydraulic rod (113) is fixedly connected to the inner wall of one side of the second connecting rod (106) close to the second support frame (104); a fixing frame (112) is arranged on the top of the second hydraulic rod (113); an inner wall of the fixing frame (112) is fixedly connected to the second connecting rod (106); a side of the fixing frame (112) away from the second connecting rod (106) is fixedly connected to the second hydraulic rod (113); an output end of the second hydraulic rod (113) passes through the second connecting rod (106) and is fixedly connected to an arc plate (114).

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