CN116040557B

CN116040557B - Directional capping machine

Info

Publication number: CN116040557B
Application number: CN202310340069.8A
Authority: CN
Inventors: 刁子腾; 高奇; 张晓妮; 牛存志
Original assignee: Yantai Jiamai Automation Equipment Co ltd
Current assignee: Yantai Jiamai Automation Equipment Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-02
Anticipated expiration: 2043-04-03
Also published as: CN116040557A

Abstract

The utility model discloses a directional capping machine, and belongs to the technical field of capping equipment. Including base and conveying component, conveying component sets up in the base upside, including horizontal conveying belt, delivery disc and circulating conveyor belt, the perpendicular fixed mounting of base upside has the stand, the delivery disc rotates the cover and establishes on the stand, the stand top is equipped with power device for order about delivery disc intermittent type nature and rotate, fixed mounting has the strut on the base, install directional part through moving part on the strut, directional part includes mechanical tong, clamping frame, fixture block and deflector, the base upside is equipped with water conservancy diversion part and bottle lid conveying part, the stand top is equipped with pressure part. The utility model effectively solves the problems that the existing capping machine can only press the bottle cap on the tank body, can not realize the positioning of the relative position between the bottle cap and the container and can not adjust the position of the bottle cap according to the capping requirement.

Description

Directional capping machine

Technical Field

The utility model relates to the technical field of capping equipment, in particular to a directional capping machine.

Background

In the filling industry, the containers are required to be capped on a capping machine after being filled, and with the gradual development and maturation of the automatic capping machine technology, the types of capping machines are more and more, and the capping machines are also required by users.

However, the existing capping machine has single function, and can only automatically cap common cylindrical bottle caps, the capping machine usually does not need to have the requirements on the direction of the bottle caps and the associated alignment of the bottle caps and the bottle bodies, and can be used by directly capping the bottle caps, but along with the continuous progress of society, the requirements on the appearance of products are higher and higher, especially the high-end products in the food and oil industry are more and more, the high-end products are irregularly shaped bottle caps or bottle bodies with irregular shapes, for example, the utility model patent with the publication number of CN106081337B discloses an environment-friendly bottle cap, the liquid outlet of the environment-friendly bottle cap deviates from the center of the bottle cap, and the liquid outlet needs to be arranged at one side far from a handle during capping, so that oil can be poured out more conveniently.

The existing capping machine cannot realize the positioning of the relative positions between the bottle cap and the container, for example, the utility model patent with the publication number of CN204400577U discloses a high-cap automatic capping machine, which is used for conveying a capping and pressing the bottle cap on a tank body by arranging a capping forcing mechanism and a capping conveying mechanism, so as to realize the fixation between the bottle cap and the tank body, but the high-cap automatic capping machine can only press the bottle cap on the tank body, and can not adjust the position of the bottle cap according to capping requirements when capping work is carried out on some special-shaped bottle caps.

Disclosure of Invention

The utility model aims to provide a directional capping machine, which solves the problems that the prior capping machine provided in the background art can only press a bottle cap on a tank body, can not realize the positioning of the relative position between the bottle cap and a container, and can not adjust the position of the bottle cap according to the capping requirement when capping is carried out on some special-shaped bottle caps.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a directional capping machine comprising: the conveying assembly is arranged on the upper side of the base and comprises a horizontal conveying belt, a conveying disc and a circulating conveying belt, and the output end of the horizontal conveying belt and the input end of the circulating conveying belt are matched and cooperated with the conveying disc to realize conveying of the container;

the outer side of the conveying disc is provided with a plurality of bayonets, the upper side of the base is vertically and fixedly provided with a stand column, the conveying disc is rotationally sleeved on the stand column, and the top end of the stand column is provided with a power device for driving the conveying disc to intermittently rotate;

the base is fixedly provided with a supporting frame, the supporting frame is provided with a directional component through a moving component, the directional component comprises a mechanical clamping hand, a clamping frame, clamping blocks and a guide plate, the clamping frame is fixedly arranged at the upper side of the mechanical clamping hand, the clamping blocks are movably sleeved in the clamping frame, clamping holes are formed in the clamping blocks, the guide plate is fixedly arranged at the side surface of the clamping block, which is far away from the clamping holes, and is in an inclined state, and three rollers which are distributed in a triangular shape are rotationally arranged on the mechanical clamping hand;

the upper side of the base is provided with a flow guide component and a bottle cap conveying component, and the top end of the upright post is provided with a pressurizing component.

The bottle cap is pressed to be combined with the bottle body, preferably, the pressing component comprises a support, a first electric telescopic cylinder and a pressing head, the support is fixedly arranged at the top end of the upright post, the first electric telescopic cylinder is vertically and fixedly arranged in the support, and the pressing head is fixedly arranged at the bottom output end of the first electric telescopic cylinder.

The air pump is characterized in that the air pump is fixedly installed in the base, the upright is hollow, an air inlet is formed in one side close to the support, the air outlet pipe is vertically and fixedly installed on the support, an air outlet is formed in one side close to the conveying disc, the air outlet barrel is fixedly installed on the support, the output end faces downwards, the top end of the air outlet barrel is connected and communicated with the air outlet barrel through the drainage tube, and the input end and the output end of the air pump are respectively connected and communicated with the inside of the upright and the inside of the air outlet pipe.

The mechanical clamping hand is driven to move, the position of the bottle cap is transferred, preferably, the moving part comprises a second electric telescopic cylinder, a third electric telescopic cylinder and a sliding block, the sliding block is embedded in the supporting frame in a sliding mode, the second electric telescopic cylinder is horizontally and fixedly installed in the supporting frame, the third electric telescopic cylinder is vertically and fixedly installed in the supporting frame, one side, close to the second electric telescopic cylinder and the third electric telescopic cylinder, of the sliding block is of a detachable clamping structure, and the mechanical clamping hand is installed at the front end of the sliding block.

The bottle cap conveying component comprises three sliding rods, three supporting rings and three elastic clamping rods, wherein the three sliding rods are distributed in a triangular shape and are connected through the three supporting rings, the three elastic clamping rods are respectively and fixedly arranged at the bottom ends of the three sliding rods, and the three supporting rings are fixedly connected with the base through supporting rods.

In the process of avoiding rotating, the bottle body drops preferentially, a limiting ring is fixedly arranged on the upper side of the base through a vertical rod, and the limiting ring is positioned on the outer side of the conveying disc and cooperates with the conveying disc to limit.

The bottle after the gland is detected, whether the gland is in place or not, preferably, a plurality of clamping hooks are fixedly arranged on the circulating conveyor belt and used for unloading containers on the conveying disc, and a detection part is arranged on the upper side of the circulating conveyor belt.

Preferably, the detection component comprises a connecting frame, four spring rods and two pressing plates, wherein the connecting frame is vertically and fixedly arranged on the circulating conveyer belt, the four spring rods are vertically and fixedly arranged on the connecting frame and are divided into two groups, and the two pressing plates are respectively and fixedly arranged on the two groups of spring rods and are in a ladder shape.

The beneficial effects of the utility model are as follows:

according to the utility model, the orientation component is matched with the flow guide component, the position of the bottle cap is adjusted before the bottle cap is pressed, and the liquid outlet is ensured to be positioned far away from the handle during the bottle cap pressing, so that the bottle cap is pressed downwards in an orientation mode;

when the pressure head presses, the clamping block stretches into the bottle cap and contacts with the top end of the bottle cap, so that the bottle cap can be fully stressed, the stress on the top of the edge of the bottle cap is avoided, the top end of the bottle cap is effectively prevented from being damaged, and the bottle cap is guaranteed to have good sealing performance;

the container bottle that the gland was accomplished shifts to next process along with circulating conveyor, and at the removal in-process, two clamp plates card respectively into bottleneck both sides, are located the bottle lid bottom, if the bottle lid does not compress tightly, under spring bar elasticity effect, the bottle lid can break away from the body, if the gland is in place, then the bottle lid can not break away from the body, through this kind of mode, can inspect the quality after the gland, avoid later stage bottle lid to drop, produce quality problem.

Drawings

FIG. 1 is a schematic view showing a three-dimensional structure of a directional capping machine according to the present utility model;

FIG. 2 is a schematic view showing the sectional structure and the flow direction of the air flow of the directional capping machine according to the present utility model;

FIG. 3 is a schematic top view of a directional capping machine according to the present utility model;

FIG. 4 is a schematic perspective view showing the combination of the bottle cap and the bottle body;

FIG. 5 is a schematic perspective view showing a moving part and an orientation part of the directional capping machine according to the present utility model;

FIG. 6 is a schematic top view of FIG. 5;

FIG. 7 is a schematic perspective view showing a bottle cap conveying member of the directional capping machine according to the present utility model;

FIG. 8 is an enlarged view of the structure at A in FIG. 1;

FIG. 9 is an enlarged view of the structure at B in FIG. 5;

FIG. 10 is a schematic view showing a side view of a block and cap combination in a directional capping machine according to the present utility model.

In the figure: 1. a base; 2. a horizontal conveyor belt; 3. a conveying tray; 4. a circulating conveyor belt; 5. a bayonet; 6. a column; 7. a power device; 8. a supporting frame; 9. a mechanical clamping hand; 10. a clamping frame; 11. a clamping block; 12. a guide plate; 13. a clamping hole; 14. a roller; 15. a bracket; 16. a first electric telescopic cylinder; 17. a pressure head; 18. an air pump; 19. an air outlet pipe; 20. a drainage tube; 21. an air outlet cylinder; 22. an air inlet; 23. an air outlet; 24. a second electric telescopic cylinder; 25. a third electric telescopic cylinder; 26. a slide block; 27. a slide bar; 28. a support ring; 29. an elastic clamping rod; 30. a vertical rod; 31. a limiting ring; 32. a clamping hook; 33. a connecting frame; 34. a spring rod; 35. a pressing plate; 37. a shoulder.

Detailed Description

The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that only some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-10, a directional capping machine includes: the base 1 and the conveying component are arranged on the upper side of the base 1, the conveying component comprises a horizontal conveying belt 2, a conveying disc 3 and a circulating conveying belt 4, the output end of the horizontal conveying belt 2 and the input end of the circulating conveying belt 4 are matched and cooperate with the conveying disc 3 to realize the conveying of containers, a plurality of hooks 32 are fixedly arranged on the circulating conveying belt 4, the hooks 32 can rotate along with the circulating conveying belt 4 and are used for unloading the containers on the conveying disc 3, a plurality of bayonets 5 are arranged on the outer side of the conveying disc 3, the horizontal conveying belt 2 pushes the containers to be capped to the conveying disc 3, the conveying disc 3 rotates, the containers enter the bayonets 5 and are separated from the horizontal conveying belt 2, are moved along with the conveying disc 3 to be capped, are separated from the conveying disc 3 under the interference of the hooks 32 when the containers are completely capped, stand columns 6 are vertically and fixedly arranged on the upper side of the base 1 along with the movement of the circulating conveying belt 4 to the next procedure, the conveying disc 3 is rotationally sleeved on the upright post 6, the upper side of the base 1 is fixedly provided with a limiting ring 31 through an upright post 30, the limiting ring 31 is positioned at the outer side of the conveying disc 3 and cooperates with the conveying disc 3 to limit, the top end of the upright post 6 is provided with a power device 7 for driving the conveying disc 3 to intermittently rotate, the horizontal conveying belt 2 and the conveying disc 3 synchronously and intermittently move, the base 1 is fixedly provided with a supporting frame 8, the supporting frame 8 is provided with a directional component through a moving component, the directional component comprises a mechanical clamping hand 9, a clamping frame 10, a clamping block 11 and a guide plate 12, the clamping frame 10 is fixedly arranged on the upper side of the mechanical clamping hand 9, the clamping block 11 is movably sleeved in the clamping frame 10, the outer side of the clamping block 11 is provided with a limiting groove, the clamping frame 10 is sleeved in the limiting groove, the clamping block 11 can rotate by taking a central axis of the clamping block as a rotation center and can slide in the clamping frame 10 along the central axis direction of the clamping frame, the clamping hole 13 is formed in the clamping block 11, the guide plate 12 is fixedly arranged on the side surface, far away from the clamping hole 13, of the clamping block 11 and is in an inclined state, three rollers 14 which are distributed in a triangular mode are rotatably arranged on the mechanical clamping hand 9, the rollers 14 facilitate bottle cap rotation and direction adjustment, a diversion component and a bottle cap conveying component are arranged on the upper side of the base 1, and a pressurizing component is arranged on the top end of the upright post 6.

The pressurizing component is used for applying pressure to the bottle cap so that the bottle cap is combined with the bottle body, the bottle cap comprises a support 15, a first electric telescopic cylinder 16 and a pressure head 17, the support 15 is fixedly arranged at the top end of the upright post 6, the first electric telescopic cylinder 16 is vertically and fixedly arranged in the support 15, the pressure head 17 is fixedly arranged at the bottom output end of the first electric telescopic cylinder 16, when the bottle cap moves to the position right below the pressure head 17, the first electric telescopic cylinder 16 stretches to drive the pressure head 17 to move downwards, the bottle cap is pressed into the bottle mouth at the top end of the container, and the pressure cap is completed.

The bottle cap conveying component is used for conveying the bottle caps and comprises three slide bars 27, three supporting rings 28 and three elastic clamping rods 29, the three slide bars 27 are distributed in a triangular shape and are connected through the three supporting rings 28, the three elastic clamping rods 29 are respectively and fixedly installed at the bottom ends of the three slide bars 27, the three supporting rings 28 are fixedly connected with the base 1 through supporting rods, the bottle cap conveying component is integrally inclined, the bottle caps are placed between the three slide bars 27, the mechanical clamping hands 9 grab the bottle caps from the bottom ends, and the elastic clamping rods 29 limit the bottle caps and prevent the bottle caps from automatically sliding downwards.

The guiding component is used for being cooperated with the directional component to adjust the relative position of bottle lid and body, including air pump 18, outlet duct 19, drainage tube 20 and play dryer 21, air pump 18 fixed mounting is in base 1, the inside cavity of stand 6, and the air inlet 22 has been seted up to one side that is close to strut 8, outlet duct 19 vertical fixation installs on strut 8, and the one side that is close to transport dish 3 has seted up gas outlet 23, play dryer 21 fixed mounting is on support 15, and the output is downwards, play dryer 21 top is connected with play dryer 21 through drainage tube 20, air pump 18 input and output respectively with stand 6 inside and outlet duct 19 internal connection switch on, during the operation of air pump 18, air inlet 22 from stand 6 is inhaled, exhaust from outlet duct 19, make form unidirectional air current between stand 6 and the outlet duct 19, the direction of body and deflector 12 is controlled, when bottle is transferred to on the transport dish 3 from horizontal conveyer belt 2, its direction is the handle is close to the center department of transport dish 3, the bottleneck itself is eccentric structure, and be in the eccentric structure with the handle is located the axis upside of the body respectively, and be located the both sides of handle axis, thereby can be further in the centre of rotation (the centre of rotation is far away from the bottle mouth) side (the centre of rotation), thereby can be in the centre of rotation is far away from the centre (the centre of the bottle mouth is far away from the hand) and is located the centre of rotation).

The movable part comprises a second electric telescopic cylinder 24, a third electric telescopic cylinder 25 and a sliding block 26, wherein the sliding block 26 is slidably embedded in the supporting frame 8, the second electric telescopic cylinder 24 is horizontally and fixedly installed in the supporting frame 8, the third electric telescopic cylinder 25 is vertically and fixedly installed in the supporting frame 8, one side, close to the second electric telescopic cylinder 24 and the third electric telescopic cylinder 25, of the sliding block 26 is of a detachable clamping structure, the mechanical clamping hand 9 is installed at the front end of the sliding block 26, when the bottle cap is grabbed, the second electric telescopic cylinder 24 extends, the sliding block 26 is separated from the third electric telescopic cylinder 25, the mechanical clamping hand 9 moves to the bottom end of the bottle cap conveying part along with the sliding block 26 and rotates to a corresponding state to clamp the bottle cap, after clamping, the second electric telescopic cylinder 24 is shortened, the sliding block 26 is driven to reversely move, and meanwhile the mechanical clamping hand 9 adjusts the bottle cap to a vertically upward state.

The device is electrically connected with an external control terminal, and is used for operating the device, the control terminal can receive and send data signals, and the electrical connection between each electrical element mechanism and the control terminal is in the prior art and will not be described herein.

The mechanical gripper 9 is in the prior art, and is rotatable under the control of the control terminal, and is used for taking and placing the bottle cap, which is not described herein.

When the device is used for capping, the conveying disc 3 moves the bottle to be capped to the bottom of the first electric telescopic cylinder 16, the mechanical clamping hand 9 grabs the bottle cap and moves to the upper part of the bottle mouth, the air pump 18 works to pump air and exhaust air in the moving process, the air flow of the air outlet cylinder 21 is vertically downwards exhausted, the guide plate 12 corresponds to the windmill blade for the air outlet cylinder 21 and faces the exhaust direction of the air outlet cylinder 21, under the action of the air flow of the air outlet cylinder 21, the guide plate 12 rotates by taking the central axis of the clamping block 11 as the rotation center, thereby driving the clamping block 11 to rotate, in the rotating process, the clamping hole 13 is matched with the liquid outlet of the bottle cap when the liquid outlet of the bottle cap protrudes upwards and the clamping hole 13 rotates to the right upper part of the liquid outlet, the clamping block 11 slides downwards under the gravity of the clamping block 11 and the pushing of the air flow, the clamping block 11 is integrally sleeved in the bottle cap, the clamping hole 13 is sleeved with the liquid outlet of the bottle cap, so that the clamping hole 13 and the bottle cap are matched to form a limiting structure, the bottle cap rotates along with the clamping block 11, the liquid outlet is opposite to the guide plate 12 in the horizontal direction and is far away from the guide plate 12, the clamping block 11 and the bottle cap move to the bottom side of the pressure head 17 along with the operation of the moving part, are separated from the air outlet barrel 21 area, enter the area between the air outlet pipe 19 and the upright post 6, the air outlet 23 is sprayed, the air inlet 22 is sucked, the guide plate 12 points to the center of the conveying disc 3 and is close to the center of the conveying disc 3, simultaneously, under the action of air flow, the bottle right below the pressure head 17 is positioned right against the center of the conveying disc 3, namely the handle is close to the center of the conveying disc 3, the liquid outlet at the moment is far away from the center of the conveying disc 3 and is opposite to the handle, namely the bottle cap and the bottle body are positioned at the correct position, thereby guaranteed that the liquid outlet is in the position of keeping away from the handle, then, the shrink of third electronic flexible jar 25 drives slider 26 and moves down for bottle lid and bottleneck contact, and under the effect of air current in-process that moves down, body and bottle lid remain positive counterpoint all the time, and first electronic flexible jar 16 stretches, pressurizes the bottle lid, releases the bottle lid with mechanical tong 9, accomplishes the gland.

After the capping is completed, the third electric telescopic cylinder 25 is extended, and the clamping frame 10 drives the clamping block 11 to move upwards to separate from the bottle cap.

When the pressure head 17 presses, the clamping block 11 stretches into the bottle cap, the outer part of the clamping block is provided with the shoulder 37, and the shoulder is in contact with the top end of the bottle cap, so that the bottle cap can be fully stressed, the top of the edge of the bottle cap is prevented from being stressed, the top end of the bottle cap is effectively prevented from being damaged, and the bottle cap is guaranteed to have good sealing performance.

The upper side of the endless conveyor belt 4 is provided with a detecting member.

The detection part comprises a connecting frame 33, four spring rods 34 and two pressing plates 35, wherein the connecting frame 33 is vertically and fixedly arranged on the circulating conveyor belt 4, the four spring rods 34 are vertically and fixedly arranged on the connecting frame 33 and are divided into two groups, and the two pressing plates 35 are respectively and fixedly arranged on the two groups of spring rods 34 and are in a ladder shape.

The bottle cap is characterized in that a supporting mechanism is arranged right below the clamping hooks 32, the supporting mechanism assists the clamping hooks 32 to support the bottle body and synchronously operates with the circulating conveyor belt 4, a container bottle after capping is rotated to the circulating conveyor belt 4 along with the conveying disc 3 and clamped by the clamping hooks 32, the container bottle is transferred to the supporting mechanism and transferred to the next process along with the circulating conveyor belt 4, in the moving process, the container bottle can pass through the detecting component, two pressing plates 35 are respectively clamped into two sides of the bottle neck and are positioned at the bottom of the bottle cap, along with the movement of the bottle, the pressing plates 35 are in a stepped shape, the pressing plates 35 apply upward pushing force to the bottle cap, if the bottle cap is not pressed, the bottle cap can be separated from the bottle body under the elastic force of the spring rod 34, the bottle cap needs to be capped again, if the bottle cap is capped in place, the quality after capping can be checked, and the bottle cap is prevented from falling off in the later stage, and quality problems are generated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A directional capping machine comprising: the conveying assembly is arranged on the upper side of the base (1) and comprises a horizontal conveying belt (2), a conveying disc (3) and a circulating conveying belt (4), and the output end of the horizontal conveying belt (2) and the input end of the circulating conveying belt (4) are matched and cooperated with the conveying disc (3) to realize conveying of the container;

the method is characterized in that: the conveying device is characterized in that a plurality of bayonets (5) are formed in the outer side of the conveying disc (3), an upright post (6) is vertically and fixedly arranged on the upper side of the base (1), the conveying disc (3) is rotatably sleeved on the upright post (6), and a power device (7) is arranged at the top end of the upright post (6) and used for driving the conveying disc (3) to intermittently rotate;

the automatic clamping device is characterized in that a supporting frame (8) is fixedly arranged on the base (1), an orientation component is arranged on the supporting frame (8) through a moving component, the orientation component comprises a mechanical clamping hand (9), a clamping frame (10), a clamping block (11) and a guide plate (12), the clamping frame (10) is fixedly arranged on the upper side of the mechanical clamping hand (9), the clamping block (11) is movably sleeved in the clamping frame (10), a clamping hole (13) is formed in the clamping block (11), the guide plate (12) is fixedly arranged on the side surface, far away from the clamping hole (13), of the clamping block (11) and is in an inclined state, and three rollers (14) which are distributed in a triangular shape are rotationally arranged on the mechanical clamping hand (9);

the upper side of the base (1) is provided with a flow guide component and a bottle cap conveying component, and the top end of the upright post (6) is provided with a pressurizing component;

the pressurizing component comprises a bracket (15), a first electric telescopic cylinder (16) and a pressure head (17), wherein the bracket (15) is fixedly arranged at the top end of the upright post (6), the first electric telescopic cylinder (16) is vertically and fixedly arranged in the bracket (15), and the pressure head (17) is fixedly arranged at the bottom output end of the first electric telescopic cylinder (16);

the air pump is characterized in that the flow guide component comprises an air pump (18), an air outlet pipe (19), a drainage tube (20) and an air outlet barrel (21), the air pump (18) is fixedly installed in the base (1), the inside of the upright post (6) is hollow, an air inlet (22) is formed in one side, close to the supporting frame (8), of the upright post (6), the air outlet pipe (19) is vertically and fixedly installed on the supporting frame (8), an air outlet (23) is formed in one side, close to the conveying disc (3), the air outlet barrel (21) is fixedly installed on the support (15), the output end is downward, the top end of the air outlet barrel (21) is connected and conducted with the air outlet barrel (21) through the drainage tube (20), and the input end and the output end of the air pump (18) are respectively conducted with the inside of the upright post (6) and the inner connection of the air outlet pipe (19).

2. The directional capping machine as claimed in claim 1, wherein: the movable part comprises a second electric telescopic cylinder (24), a third electric telescopic cylinder (25) and a sliding block (26), wherein the sliding block (26) is slidably embedded in a supporting frame (8), the second electric telescopic cylinder (24) is horizontally and fixedly installed in the supporting frame (8), the third electric telescopic cylinder (25) is vertically and fixedly installed in the supporting frame (8), one side, close to the second electric telescopic cylinder (24) and the third electric telescopic cylinder (25), of the sliding block (26) is of a detachable clamping structure, and the mechanical clamping hand (9) is installed at the front end of the sliding block (26).

3. The directional capping machine as claimed in claim 1, wherein: the bottle cap conveying component comprises three sliding rods (27), three supporting rings (28) and three elastic clamping rods (29), wherein the three sliding rods (27) are distributed in a triangular shape and are connected through the three supporting rings (28), the three elastic clamping rods (29) are respectively and fixedly arranged at the bottom ends of the three sliding rods (27), and the three supporting rings (28) are fixedly connected with the base (1) through supporting rods.

4. The directional capping machine as claimed in claim 1, wherein: the upper side of the base (1) is fixedly provided with a limiting ring (31) through a vertical rod (30), and the limiting ring (31) is positioned on the outer side of the conveying disc (3) and cooperates with the conveying disc (3) to limit.

5. The directional capping machine as claimed in claim 1, wherein: a plurality of clamping hooks (32) are fixedly arranged on the circulating conveyor belt (4) and used for unloading containers on the conveying disc (3), and a detection part is arranged on the upper side of the circulating conveyor belt (4).

6. The directional capping machine as claimed in claim 5, wherein: the detection component comprises a connecting frame (33), four spring rods (34) and two pressing plates (35), wherein the connecting frame (33) is vertically and fixedly installed on the circulating conveying belt (4), the four spring rods (34) are vertically and fixedly installed on the connecting frame (33) and are divided into two groups, and the two pressing plates (35) are respectively and fixedly installed on the two groups of spring rods (34) and are in a ladder shape.