CN111977588A

CN111977588A - Portable glass jar capping machine

Info

Publication number: CN111977588A
Application number: CN202010897118.4A
Authority: CN
Inventors: 邱鹏鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-11-24

Abstract

The invention discloses a portable glass jar capping machine, which structurally comprises a machine body, a placing seat, a protection device, a rotating head, an installation part, a motor, a positioning fastener, a supporting column and a connecting rod, wherein when the portable glass jar capping machine is used after improvement, a bottle cap is stably clamped on an inner ring of an air bag, when the rotating head rotates, the air bag generates friction force with the bottle cap, the bottle cap cannot slide when screwed, and the air bag is made of flexible rubber materials, can protect the outer wall of the bottle cap and cannot generate a grinding mark phenomenon; place the bottle lid on the steering wheel, guarantee that bottle lid and body are the parallel state, fix a position the bottle lid in the framework with two splint, adsorb the air that derives intracavity portion with the nozzle, the nozzle utilizes the injection compressed air, inhales the air ring groove through the breathing pipe with absorbent air for pressure in the vacuum chamber drops to below the atmospheric pressure, forms certain vacuum, and the bottle lid can be identical to the jar body and carry out stable lid, improves glass jar add the sealed effect of covering.

Description

Portable glass jar capping machine

Technical Field

The invention relates to the field of glass jar capping machinery, in particular to a portable glass jar capping machine.

Background

The capping machine is a mechanical capping machine, which is used for capping and capping various plastic barrels and glass bottles, has good damp-proof, mildew-proof and anti-fake functions, achieves the purpose of prolonging the storage period of the objects, reduces the manual capping process of workers, and ensures the capping to be tight. In the case of the capping of glass jars, where improvements are needed:

when adding lid to the glass jar, all press from both sides tight bottle lid with the jack catch usually, screw on bottle lid outer lane intermediate position through the jack catch chucking, at the in-process of screwing, because the jack catch inner circle has the card strip can and the bottle lid between produce frictional force, lead to the trace that grinds to appear on the bottle lid, make the staff need carry out the secondary to the bottle lid that has the trace that grinds and change, increase operating personnel's work load, it is troublesome to bring unnecessary for operating personnel, and the jack catch is when snatching the bottle lid, the bottle lid can appear rocking, make bottle lid and body can't be parallel state, lead to the bottle lid can't be identical with the body when carrying out the spiral cover completely, cause the closing cap of body not thorough, reduce the sealed effect of glass jar and the closing cap quality of glass jar.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a portable glass can capping machine, which aims to solve the problems that when a glass can is capped, a bottle cap is clamped by a clamping jaw, the clamping jaw is clamped at the middle position of the outer ring of the bottle cap to be screwed tightly, in the screwing process, because a clamping strip is arranged on the inner ring of the clamping jaw and friction force is generated between the clamping strip and the bottle cap, a grinding mark can be generated on the bottle cap, a worker needs to replace the bottle cap with the grinding mark for the second time, the workload of the operator is increased, unnecessary troubles are brought to the operator, and when the clamping jaw grabs the bottle cap, the bottle cap can shake, the bottle cap and the bottle body cannot be in a parallel state, the bottle cap cannot be completely matched with the bottle body when the bottle cap is screwed, the sealing effect of the bottle body is incomplete, and the sealing quality of the glass can is reduced.

In order to achieve the purpose, the invention is realized by the following technical scheme: a portable glass jar capping machine structurally comprises a machine body, a placing seat, a protecting device, a rotating head, a mounting part, a motor, a positioning fastener, a supporting column and a connecting rod, wherein the placing seat, the supporting column and the connecting rod are arranged at the top of the machine body and mutually form the same straight line, the placing seat is vertically embedded on the machine body, the supporting column and the connecting rod are locked and installed on the machine body through screws, the supporting column and the connecting rod are connected on the mounting part in a penetrating manner, the motor is arranged at one end of the bottom of the mounting part and is electrically connected with the inside of the machine body through a lead, the motor and the rotating head are arranged on the same module, the rotating head and the motor are respectively connected at two sides of the mounting part, the protecting device is vertically inserted and embedded at the middle position of the rotating head, the bottom of the protecting, the rotating head is connected with the connecting rod through the positioning fastener.

As a further improvement of the invention, the protection device comprises a protection cover, a joint plate, an adjusting component, a partition plate and a clamping jaw, wherein the protection cover is tightly attached to the inner wall of the clamping jaw, the top of the protection cover is overlapped with the joint plate, the joint plate is connected between the protection cover and the adjusting component, the clamping jaw is connected to two sides of the adjusting component, the partition plate is arranged at the bottom of the adjusting component, the partition plate is embedded and fixed on the adjusting component, and the adjusting component is vertically attached to the joint plate.

As a further improvement of the invention, the protective cover comprises a protective air cushion, a supporting slow rod, a clamping seat and a cavity, wherein the protective air cushion is arranged at one end of the cavity, the supporting slow rod is arranged in the cavity, the supporting slow rod is clamped in the middle position in the cavity in parallel, one side of the cavity is matched with the clamping seat, the clamping seat is arranged between the two protective air cushions, and the two protective air cushions are in axial symmetry.

As a further improvement of the invention, the protective air cushion comprises a connecting seat, a balance adjusting block, connecting sleeves and a blocking cushion, wherein the balance adjusting block is arranged on two sides of the connecting seat, the connecting sleeves are arranged on the top of the balance adjusting block and are tightly overlapped on the balance adjusting block, the connecting sleeves are provided with two connecting sleeves, the two connecting sleeves are arranged on the balance adjusting block, two sides of the blocking cushion are attached to the connecting sleeves, and the blocking cushion vertically penetrates through the middle of the upper end of the connecting seat.

As a further improvement of the invention, the separation pad comprises a top rod, a reset elastic piece and an air bag, wherein the reset elastic pieces are arranged on two sides of the top rod, the reset elastic pieces are buckled with the top rod, the top of the top rod is opposite to the air bag, and the top rod is arranged on the air bag in a penetrating manner.

As a further improvement of the invention, the adjusting assembly comprises a nozzle, an air-through ring groove, two air suction pipes, vacuum chambers and a leveling disc, wherein the nozzle is nested in the air suction pipe, the air suction pipes penetrate through the vacuum chambers and are inserted into the vacuum chambers, the two vacuum chambers are horizontally inserted and embedded into one side of the air-through ring groove, the vacuum chambers are communicated with the air-through ring groove in a penetrating manner, the vacuum chambers are connected with the nozzle into a whole through the air suction pipes, the leveling disc is arranged at the bottom of the nozzle, and the leveling disc is tightly sleeved on the nozzle.

As a further improvement of the invention, the leveling disc comprises a chuck, a guiding-out cavity, a connecting pipe and a sucker, wherein the chuck is clamped at the middle position of the sucker, the sucker is arranged at the bottom of the guiding-out cavity, the guiding-out cavity is communicated with the sucker, the connecting pipe is arranged at the middle position of the guiding-out cavity, the connecting pipe penetrates and is embedded on the guiding-out cavity, and the guiding-out cavity is communicated with the connecting pipe.

As a further improvement of the invention, the chuck comprises a steering wheel, a clamping plate, clamping plates and a frame body, wherein the steering wheel and the clamping plate are overlapped, the steering wheel and the clamping plate are connected in a movable clamping mode, the clamping plate is arranged in the frame body, the clamping plates are arranged on two sides of the top of the frame body, and the clamping plates are buckled on the frame body.

As a further improvement of the invention, the clamping plate comprises eight connecting buckles, a disc body and guide rods, wherein the eight connecting buckles are annularly clamped on the disc body at equal intervals, a steering wheel is arranged in the middle of the disc body, the guide rods penetrate through and are embedded on the steering wheel, and the guide rods are communicated with the connecting buckles through the steering wheel.

Advantageous effects of the invention

The invention relates to a portable glass jar capping machine, which has the following beneficial effects:

1. the bottle lid is installed on the gasbag, supports and to slow to produce the repulsion between pole and the protection air cushion for the block that the bottle lid can be stable is at the gasbag inner circle, and the rotating head is when rotating, and the gasbag can and the bottle lid between produce frictional force, and the slip phenomenon can not appear when the bottle lid is screwed, and the gasbag adopts flexible rubber material to make, can protect the outer wall of bottle lid, the grinding crack phenomenon can not appear, guarantees the efficiency of adding the lid of glass jar.

2. Place the bottle lid on the steering wheel, guarantee that bottle lid and body are the parallel state, fix a position the bottle lid in the framework with two splint, adsorb the air that derives intracavity portion with the nozzle, the nozzle utilizes the injection compressed air, inhales the air ring groove through the breathing pipe with absorbent air for pressure in the vacuum chamber drops to below the atmospheric pressure, forms certain vacuum, and the bottle lid can be identical to the jar body and carry out stable lid, improves glass jar add the sealed effect of covering.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a portable glass jar capping machine according to the present invention;

fig. 2 is a schematic cross-sectional view of the protection device of the present invention.

Fig. 3 is a schematic view of the internal structure of the shield according to the present invention.

Fig. 4 is a schematic plan view of the protective air cushion of the present invention.

FIG. 5 is a schematic view of the internal structure of the barrier mat of the present invention.

Fig. 6 is an enlarged schematic view of the airbag of the present invention.

Fig. 7 is a schematic cross-sectional view of an adjustment assembly of the present invention.

Fig. 8 is a schematic plan view of the leveling plate of the present invention.

FIG. 9 is a top plan view of the chuck of the present invention.

Fig. 10 is a schematic view of the internal structure of the clamping plate of the invention.

In the figure: a machine body-1, a placing seat-2, a protective device-3, a rotating head-4, a mounting part-5, a motor-6, a positioning fastener-7, a supporting column-8, a connecting rod-9, a protective cover-31, a binding plate-32, an adjusting component-33, a clapboard-34, a claw-35, a protective air cushion-311, a supporting slow rod-312, a clamping seat-313, a cavity-314, a connecting seat-111, a balance adjusting block-112, a connecting sleeve-113, a blocking pad-114, a top rod-141, a reset elastic piece-142, an air bag-143, a nozzle-331, a vent circular groove-332, an air suction pipe-333, a vacuum cavity-334, a leveling disc-335, a clamping disc-351, a guide cavity-352, a connecting pipe-353, a connecting, The device comprises a sucker-354, a steering wheel-511, a clamping plate-512, a clamping plate-513, a frame-514, a connecting buckle-121, a disc body-122 and a guide rod-123.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: a portable glass jar capping machine structurally comprises a machine body 1, a placing seat 2, a protection device 3, a rotating head 4, an installing part 5, a motor 6, a positioning fastener 7, a supporting column 8 and a connecting rod 9, wherein the placing seat 2, the supporting column 8 and the connecting rod 9 are installed at the top of the machine body 1, the placing seat 2, the supporting column 8 and the connecting rod 9 are mutually formed on the same straight line, the placing seat 2 is vertically embedded on the machine body 1, the supporting column 8 and the connecting rod 9 are installed on the machine body 1 through screw locking, the supporting column 8 and the connecting rod 9 are connected on the installing part 5 in a penetrating mode, one end of the bottom of the installing part 5 is provided with the motor 6, the motor 6 is electrically connected with the inside of the machine body 1 through a conducting wire, the motor 6 and the rotating head 4 are arranged on the same module, the rotating head 4 and the motor 6 are respectively connected to, the bottom of the protection device 3 faces the placing seat 2, the placing seat 2 and the rotating head 4 are parallel to each other, a positioning fastener 7 is arranged on one side of the rotating head 4, the rotating head 4 is connected with the positioning fastener 7 in a buckling mode, and the rotating head 4 is connected with the connecting rod 9 through the positioning fastener 7.

Referring to fig. 2, the protection device 3 includes a protection cover 31, a joint plate 32, an adjusting assembly 33, a partition 34, and a clamping jaw 35, the protection cover 31 is tightly attached to an inner wall of the clamping jaw 35, a top of the protection cover 31 is overlapped with the joint plate 32, the joint plate 32 is connected between the protection cover 31 and the adjusting assembly 33, two sides of the adjusting assembly 33 are connected to the clamping jaw 35, the bottom of the adjusting assembly 33 is provided with the partition 34, the partition 34 is embedded in the adjusting assembly 33, and the adjusting assembly 33 is vertically attached to the joint plate 32.

The abutting plate 32 is used for communicating the adjusting assembly 33 with the shield 31, the adjusting assembly 33 and the shield 31 are overlapped through the abutting plate 32, and the position of the bottle cap is adjusted through the mutual matching of the adjusting assembly 33 and the shield 31.

Referring to fig. 3, the protective cover 31 includes a protective air cushion 311, a supporting rod 312, a clamping seat 313, and a cavity 314, the protective air cushion 311 is installed at one end of the cavity 314, the supporting rod 312 is installed inside the cavity 314, the supporting rod 312 is clamped in the middle position inside the cavity 314 in parallel, one side of the cavity 314 is matched with the clamping seat 313, the clamping seat 313 is installed between two protective air cushions 311, and the two protective air cushions 311 are axisymmetric.

The supporting slow rod 312 is used for adjusting the position of the protection air cushion 311, when the protection air cushion 311 adjusts the bottle cap, the protection air cushion 311 receives the jacking force of the bottle cap and can retract inwards, and mutual repulsion is generated by the supporting slow rod 312 and the protection air cushion 311 in a matched mode, so that the protection air cushion 311 can clamp the bottle cap.

Referring to fig. 4, the protective air cushion 311 includes a connection seat 111, a balance adjustment block 112, a connection sleeve 113, and a blocking pad 114, the balance adjustment block 112 is disposed on two sides of the connection seat 111, the connection sleeve 113 is mounted on the top of the balance adjustment block 112, the connection sleeve 113 is tightly overlapped on the balance adjustment block 112, the connection sleeve 113 is provided with two connection sleeves 113, the two connection sleeves 113 are both mounted on the balance adjustment block 112, two sides of the blocking pad 114 are attached to the connection sleeve 113, and the blocking pad 114 is vertically inserted in the middle of the upper end of the connection seat 111.

The balance adjusting block 112 is used for adjusting the position of the connecting sleeve 113, and the connecting sleeve 113 can be tightly attached to the two sides of the separation pad 114 by adjusting the position of the balance adjusting block 112, so that the separation pad 114 can be assisted to protect the bottle cap.

Referring to fig. 5-6, the blocking pad 114 includes a top rod 141, a reset elastic member 142, and an air bag 143, the reset elastic member 142 is disposed on two sides of the top rod 141, the reset elastic member 142 is fastened to the top rod 141, the top of the top rod 141 faces the air bag 143, and the top rod 141 is installed on the air bag 143 in a penetrating manner.

The ejector rod 141 is used for assisting the air bag 143 to screw the bottle cap, the bottle cap is installed on the clamping jaw 35, the rotating head 4 is used for driving the bottle cap to be screwed, the air bag 143 is matched with the clamping jaw 35 to be screwed, the air bag 143 is of a concave structure, the bottle cap can be fixed to the middle position, the air bag 143 is made of flexible rubber materials, the bottle cap can be protected when being screwed, grinding marks can be prevented from appearing on the bottle cap, after the bottle cap is screwed, the position of the air bag 143 is limited through the ejector rod 141, and the air bag 143 is prevented from being displaced when being screwed.

Example two

Referring to fig. 7, the adjusting assembly 33 includes a nozzle 331, a vent ring groove 332, a suction pipe 333, two vacuum chambers 334 and a leveling plate 335, the nozzle 331 is nested in the suction pipe 333, the suction pipe 333 is inserted into the vacuum chambers 334, the two vacuum chambers 334 are horizontally inserted into one side of the vent ring groove 332, the vacuum chambers 334 are communicated with the vent ring groove 332, the vacuum chambers 334 are connected with the nozzle 331 through the suction pipe 333, the leveling plate 335 is installed at the bottom of the nozzle 331, and the leveling plate 335 is tightly nested on the nozzle 331.

The air suction pipe 333 is used to suck air in the nozzle 331, and the air suction pipe 333 sucks air around the nozzle by injecting compressed air through the nozzle 331 to form a jet flow in the nozzle 331 to generate a suction flow, so that the bottle cap can be tightly sucked on the leveling plate 335.

Referring to fig. 8, the leveling plate 335 includes a chuck 351, a guiding-out chamber 352, a connection pipe 353, and a suction cup 354, the chuck 351 is engaged with a middle position of the suction cup 354, the suction cup 354 is disposed at a bottom of the guiding-out chamber 352, the guiding-out chamber 352 is communicated with the suction cup 354, the connection pipe 353 is disposed at a middle position of the guiding-out chamber 352, the connection pipe 353 is inserted into the guiding-out chamber 352, and the guiding-out chamber 352 is communicated with the connection pipe 353.

The suction cup 354 is used to tightly suck the cap to the chuck 351, connect the cap to the chuck 351, suck the air in the lead-out chamber 352 by the nozzle 331, and discharge the air in the lead-out chamber 352 to the suction pipe 333 through the connection pipe 353, so that the pressure in the lead-out chamber 352 is reduced to the atmospheric pressure or less, and the suction cup 354 can be matched with the chuck 351 to level and tighten the cap.

Referring to fig. 9, the chuck 351 includes a steering wheel 511, a clamping plate 512, a clamping plate 513, and a frame 514, the steering wheel 511 and the clamping plate 512 are overlapped, the steering wheel 511 and the clamping plate 512 are connected by a movable clamping manner, the clamping plate 512 is installed inside the frame 514, the clamping plates 513 are disposed on two sides of the top of the frame 514, and the clamping plates 513 are fastened on the frame 514.

The clamp plate 513 is used for assisting the frame body 514 to clamp the bottle cap, the bottle cap is placed on the steering wheel 511, and the two clamp plates 513 move to the outer ring of the bottle cap on the frame body 514, so that the bottle cap can be positioned on the frame body 514 by the two clamp plates 513, the bottle cap is prevented from being displaced, and the bottle cap is convenient to screw.

Referring to fig. 10, the fastening plate 512 includes eight fastening buckles 121, a plate 122, and a guide rod 123, the fastening buckles 121 are provided with eight fastening buckles 121, the eight fastening buckles 121 are fastened on the plate 122 in an equidistant annular manner, a steering wheel 511 is installed in the middle of the plate 122, the guide rod 123 is inserted and embedded on the steering wheel 511, and the guide rod 123 is communicated with the fastening buckles 121 through the steering wheel 511.

The connecting buckles 121 are used for buckling the guide rods 123, the bottle caps are attached to the steering wheel 511 in parallel, the bottle caps and the bottle bodies are in a parallel state, the guide rods 12 move on the steering wheel 511, the guide rods 12 are clamped through the two connecting buckles 121, the bottle caps cannot rotate when being tightened, and the tightening efficiency of the bottle caps and the sealing effect of the glass cans are improved.

The working principle of the above technical solution is explained as follows:

when the bottle cap screwing device is used, the motor 6 is driven to fix the bottle body on the placing seat 2, the protective device 3 is used for clamping and protecting the bottle cap, the protective device 3 is driven to rotate through the rotating head 4, so that the bottle cap can be screwed up with the bottle body in a matching mode, the rotating head 4 is buckled with the rotating head 4 through the positioning fastener 7, the shaking phenomenon cannot occur when the rotating head 4 rotates, and the bottle cap screwing efficiency is improved.

When the glass can is capped, the bottle cap is buckled at the middle position of the air bag 143, the air bag 143 is pushed forward by the mutual cooperation of the ejector rod 141 and the reset elastic piece 142, so that the air bag 143 can be tightly attached to the bottle cap, the position of the connecting sleeve 113 is adjusted by the balance adjusting block 112, so that the connecting sleeve 113 can be matched with the air bag 143 to position the bottle cap, when the bottle cap is mounted on the air bag 143, the air bag 143 retracts due to the jacking force, the supporting slow rod 312 supports the protecting air cushion 31, the supporting slow rod 312 generates a certain pushing force on the protecting air cushion 31, a mutual repulsion force is generated between the supporting slow rod 312 and the protecting air cushion 311, so that the bottle cap can be stably clamped at the inner ring of the air bag 143, when the rotating head 4 rotates, the air bag 143 generates friction force with the bottle cap, so as to ensure that the bottle cap does not slide when screwed, and the air bag 143 is made of flexible, can protect the outer wall of bottle lid, the scuffing phenomenon can not appear, guarantees the efficiency of adding lid of glass jar, reduces staff's work load.

When the claw grips the bottle cap, the bottle cap is placed on the steering wheel 511, the bottle cap and the bottle body are in a parallel state, the steering wheel 511 is driven by the guide rod 12 to move, the guide rod 12 is clamped through the two connecting buckles 121, the two clamping plates 513 are movably clamped at two sides of the outer ring of the bottle cap inwards on the frame body 514, so that the bottle cap can be positioned on the frame body 514, the bottle cap is ensured not to be displaced when being screwed, the bottle cap is arranged on the middle position of the suction disc 354 through the chuck 351, the air in the guiding-out cavity 352 is treated by the vacuum generator in the adjusting assembly 33, the air in the guiding-out cavity 352 is adsorbed by the nozzle 331, the nozzle 331 generates entrainment flow through jet flow in the nozzle 331 by injecting compressed air, the adsorbed air is sucked to the ventilation annular groove 332 through the air suction pipe 333, and the pressure in the vacuum cavity 334 is reduced to be lower than the atmospheric pressure, the bottle cap has the advantages that a certain vacuum degree is formed, the bottle cap can be stably adsorbed on the sucking disc, the bottle cap cannot shake when being used for capping the glass tank, the bottle cap can be matched with the bottle body when being screwed, and the sealing effect of the glass tank and the capping quality of the glass tank are improved.

In conclusion, the bottle cap is arranged on the air bag through the protection device, mutual repulsion force can be generated between the supporting slow rod and the protection air cushion, so that the bottle cap can be stably clamped on the inner ring of the air bag, when the rotating head rotates, friction force can be generated between the air bag and the bottle cap, the bottle cap can not slide when being screwed, the air bag is made of flexible rubber materials, the outer wall of the bottle cap can be protected, the phenomenon of grinding marks can not occur, and the capping efficiency of the glass tank can be ensured; place the bottle lid on the steering wheel, guarantee that bottle lid and body are parallel state, fix a position the bottle lid in the framework with two splint, adsorb the air that derives intracavity portion with the nozzle, the nozzle utilizes the injection compressed air, inhales the air ring groove through the breathing pipe with absorbent air for the pressure in the vacuum chamber drops to below the atmospheric pressure, forms certain vacuum, can realize that the bottle lid can be identical to the jar body and carry out stable adding lid, improves adding of lid sealed effect of glass jar.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable glass jar capping machine, its structure includes organism (1), places seat (2), protection device (3), rotating head (4), installed part (5), motor (6), location fastener (7), support column (8), connecting rod (9), its characterized in that:

the top of the machine body (1) is provided with a placing seat (2), a supporting column (8) and a connecting rod (9), the mounting piece (5) is connected with the rotating head (4) and the motor (6), the protection device (3) is inserted and embedded in the rotating head (4), and the positioning fastener (7) is buckled and connected with the rotating head (4);

protection device (3) are including protection casing (31), rigging board (32), adjusting part (33), baffle (34), jack catch (35), protection casing (31) are hugged closely in jack catch (35), rigging board (32) are connected between protection casing (31) and adjusting part (33), baffle (34) are inlayed and are fixed on adjusting part (33).

2. A portable glass jar capping machine according to claim 1, wherein: the protective cover (31) comprises a protective air cushion (311), a supporting slow rod (312), a clamping seat (313) and a cavity (314), wherein the protective air cushion (311) is installed in the cavity (314), the supporting slow rod (312) is clamped in the cavity (314), and the cavity (314) is matched with the clamping seat (313).

3. A portable glass jar capping machine according to claim 2, wherein: the protective air cushion (311) comprises a connecting seat (111), a balance adjusting block (112), a connecting sleeve (113) and a blocking pad (114), wherein the balance adjusting block (112) is arranged on the connecting seat (111), and two sides of the blocking pad (114) are attached to the connecting sleeve (113).

4. A portable glass jar capping machine according to claim 3 wherein: the blocking pad (114) comprises a top rod (141), a reset elastic piece (142) and an air bag (143), the reset elastic piece (142) is buckled with the top rod (141), and the top rod (141) is installed on the air bag (143) in a penetrating mode.

5. A portable glass jar capping machine according to claim 1, wherein: the adjusting component (33) comprises a nozzle (331), a ventilation ring groove (332), a suction pipe (333), a vacuum cavity (334) and a leveling disc (335), wherein the nozzle (331) is nested in the suction pipe (333), the vacuum cavity (334) is communicated with the ventilation ring groove (332) in a penetrating manner, and the leveling disc (335) is sleeved on the nozzle (331).

6. A portable glass jar capping machine according to claim 5, wherein: the leveling disc (335) comprises a chuck (351), a guiding-out cavity (352), a connecting pipe (353) and a sucking disc (354), wherein the chuck (351) is clamped on the sucking disc (354), and the guiding-out cavity (352) is provided with the connecting pipe (353).

7. A portable glass jar capping machine according to claim 6 wherein: chuck (351) is including direction adjusting dish (511), joint board (512), splint (513), framework (514), coincide mutually with joint board (512) in direction adjusting dish (511), splint (513) lock is on framework (514).

8. A portable glass jar capping machine according to claim 7 wherein: the clamping plate (512) comprises a connecting buckle (121), a plate body (122) and a guide rod (123), and the guide rod (123) is communicated with the connecting buckle (121) through a steering wheel (511).