A hose tail sealing system and method of sealing a hose tail

Abstract

The application discloses a hose tail sealing system, which comprises a clamping conveying device, a first bending tail sealing device and a general driving part. The first bending tail sealing device comprises a left flattening block, a right flattening block, a first indentation mechanism and a first bending tail sealing tooth block. The left flattening block and the right flattening block are oppositely arranged. The first indentation mechanism and the first bending tail sealing tooth block are arranged on different sides of the hose. The general driving part drives the left flattening block and the right flattening block to approach or move away from each other through a first cam connecting rod transmission mechanism and a second cam connecting rod transmission mechanism, so as to clamp or loosen the hose. The general driving part drives the first indentation mechanism to swing through a third cam connecting rod transmission mechanism, so as to mark an indentation on the hose. The general driving part drives the first bending tail sealing tooth block to overturn through a fourth cam connecting rod transmission mechanism, so as to bend and seal the tail of the hose. The application has the advantages of sharing one general driving part, simplifying the structure and reducing the equipment floor area.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of food and medicine packaging technology, in particular to a soft tube tail sealing system and a tail sealing method thereof. BACKGROUND

[0002] At present, the soft tube tail sealing device in China generally adopts single-head or double-head tail sealing device, which has the following shortcomings: 1) each executing component in the tail sealing device adopts independent driving, the tail sealing part has large structure, and the equipment occupies large floor area; 2) complex control logic is required to complete the tail sealing action, the work is unstable, the reliability is low, and the high-speed tail sealing requirement cannot be met; 3) the tail sealing efficiency is low. SUMMARY

[0003] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art, and to provide a soft tube tail sealing system and a tail sealing method, which share one total driving member, simplify the structure, and reduce the floor area occupied by the equipment.

[0004] To solve the above technical problems, the present application adopts the following technical scheme:

[0005] A soft tube tail sealing system, comprising a clamping and conveying device for clamping and conveying a soft tube, further comprising a plurality of first bending and tail sealing devices arranged in sequence and a total driving member for driving the plurality of first bending and tail sealing devices to perform bending and tail sealing movement, the first bending and tail sealing device comprising a left flattening block, a right flattening block, a first indentation mechanism and a first bending and tail sealing tooth block, the left flattening block and the right flattening block being oppositely arranged, the first indentation mechanism and the first bending and tail sealing tooth block being arranged on different sides of the soft tube, the total driving member driving the left flattening block and the right flattening block to approach or move away from each other through a first cam link transmission mechanism, a second cam link transmission mechanism, respectively, so as to clamp or loosen the soft tube, the total driving member driving the first indentation mechanism to swing through a third cam link transmission mechanism, so as to mark an indentation on the soft tube, and the total driving member driving the first bending and tail sealing tooth block to overturn through a fourth cam link transmission mechanism, so as to bend and seal the tail of the soft tube.

[0006] As a further improvement of the above technical scheme:

[0007] The first cam link transmission mechanism comprises a first cam curve, a first swing rod, a first connecting rod and a first straight line slide rod, the first cam curve being connected with the total driving member, the first swing rod being hinged between the first cam curve and the first connecting rod, the first straight line slide rod being hinged with the first connecting rod, and the left flattening block being connected with the first straight line slide rod.

[0008] The second cam link transmission mechanism comprises a second cam curve, a second swing rod, a second connecting rod and a second straight slide rod, the second cam curve is connected with the total driving element, the second swing rod is hinged between the second cam curve and the second connecting rod, the second straight slide rod is hinged with the second connecting rod, and the right clamp block is connected with the second straight slide rod.

[0009] The third cam link transmission mechanism comprises a third cam curve, a third swing rod, a third connecting rod, a third straight slide rod and a hook blade swing rod, the third cam curve is connected with the total driving element, the third swing rod is hinged between the third cam curve and the third connecting rod, the third straight slide rod is hinged with the third connecting rod, one end of the hook blade swing rod is hinged with the third straight slide rod, the first indentation mechanism is arranged at the other end of the hook blade swing rod, and the middle part of the hook blade swing rod is rotationally arranged.

[0010] The fourth cam link transmission mechanism comprises a fourth cam curve, a fourth swing rod, a first stroke amplification assembly, a fourth connecting rod, a fourth straight slide rod, a first gear swing rod and a first transmission gear set, the fourth cam curve is connected with the total driving element, the fourth swing rod is hinged with the fourth cam curve and is hinged with the fourth connecting rod through the first stroke amplification assembly, the fourth straight slide rod is hinged between the fourth connecting rod and the first gear swing rod, a first driving gear of the first transmission gear set is connected with the first gear swing rod, and the first bent tail sealing tooth block is connected with a first driven gear of the first transmission gear set.

[0011] The hose tail sealing system further comprises a second bent tail sealing device, the second bent tail sealing device is located downstream of the first bent tail sealing device, the second bent tail sealing device comprises a left clamp indentation block, a right clamp indentation block and a second bent tail sealing tooth block, the left clamp indentation block and the right clamp indentation block are oppositely arranged, the second indentation mechanism is arranged on the left clamp indentation block, the second indentation mechanism and the second bent tail sealing tooth block are arranged on different sides of the hose, the total driving element drives the left clamp indentation block and the right clamp indentation block to approach or move away from each other through the fifth cam link transmission mechanism and the sixth cam link transmission mechanism respectively, so as to clamp or loosen the hose, the total driving element drives the second bent tail sealing tooth block to flip through the seventh cam link transmission mechanism, so as to bend and seal the tail of the hose, and the first bent tail sealing tooth block and the second bent tail sealing tooth block are located on different sides of the hose.

[0012] The fifth cam link transmission mechanism comprises a fifth cam curve, a fifth swing rod, a fifth connecting rod and a fifth straight line slide rod, the fifth cam curve is connected with the total driving element, the fifth swing rod is hinged between the fifth cam curve and the fifth connecting rod, the fifth straight line slide rod is hinged with the fifth connecting rod, the left clamping mark block is connected with the fifth straight line slide rod, the sixth cam link transmission mechanism comprises a sixth cam curve, a sixth swing rod, a sixth connecting rod and a sixth straight line slide rod, the sixth cam curve is connected with the total driving element, the sixth swing rod is hinged between the sixth cam curve and the sixth connecting rod, the sixth straight line slide rod is hinged with the sixth connecting rod, the right clamping mark block is connected with the sixth straight line slide rod.

[0013] The seventh cam link transmission mechanism comprises a seventh cam curve, a seventh swing rod, a second stroke amplification assembly, a seventh connecting rod, a seventh straight line slide rod, a second gear swing rod and a second transmission gear set, the seventh cam curve is connected with the total driving element, the seventh swing rod is hinged on the seventh cam curve and is hinged with the seventh connecting rod through the second stroke amplification assembly, the seventh straight line slide rod is hinged between the seventh connecting rod and the second gear swing rod, the second driving gear of the second transmission gear set is connected with the second gear swing rod, and the second driven gear of the second transmission gear set is connected with the second bending tail sealing tooth block.

[0014] A tail sealing method of a hose tail sealing system, comprising the following steps:

[0015] S1, primary tail sealing: a first bending tail sealing device sequentially clamps, indents and bends the hose to form a primary tail sealing part;

[0016] S2, secondary tail sealing: a second first bending tail sealing device sequentially clamps, indents and bends the primary tail sealing part to form a secondary tail sealing part;

[0017] S3, tertiary tail sealing: a second bending tail sealing device indents and bends the middle part of the secondary tail sealing part to form a tertiary tail sealing part.

[0018] A tail sealing method of a hose tail sealing system, comprising the following steps:

[0019] S1, clamping: a clamping conveying device conveys the hose to a first first bending tail sealing device, and left and right clamping blocks clamp the upper end of the hose;

[0020] S2, indentation: the clamping conveying device conveys the hose to a first indentation mechanism, and the first indentation mechanism forms an indentation at the bottom of the clamped part of the hose;

[0021] S3, bending: the clamping conveying device conveys the hose to a first bending tail sealing tooth block, and the first bending tail sealing tooth block folds the clamped part of the hose to one side around the indentation.

[0022] Compared with the prior art, the present application has the beneficial effects that:

[0023] The hose tail sealing system disclosed by the present application, the first cam connecting rod transmission mechanism, the second cam connecting rod transmission mechanism, the third cam connecting rod transmission mechanism and the fourth cam connecting rod transmission mechanism share one total driving member, the travel time sequences of the transmission mechanisms are set differently, so that the total driving member can drive the left clamp block, the right clamp block, the first indentation mechanism and the first bending tail sealing tooth block to complete clamping, indentation and bending in sequence, without the need of setting an independent drive for one execution component, the structure is simplified, the floor area is reduced, and the total driving member drives each execution component in a mechanical transmission mode, without the need of complex logic control to complete tail sealing, the stability and reliability of tail sealing are improved, and the high-speed tail sealing requirement is met.

[0024] Further, the hose tail sealing system disclosed by the present application further comprises a second bending tail sealing device, the second bending tail sealing device is located downstream of the first bending tail sealing device, and shares one total driving member with the first bending tail sealing device, the sealing effect of the hose tail sealing is improved through the second tail sealing device, and the aesthetic property is improved.

[0025] The present application further discloses a tail sealing method of the hose tail sealing system, the steps are simple, tail sealing can be realized without complex logic control, and the working stability and reliability are high. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the hose tail sealing system of the present application.

[0027] Figure 2 It is a schematic diagram of the front view structure of the first bending tail sealing device in the present application.

[0028] Figure 3 It is a schematic diagram of the front view structure of the first cam connecting rod transmission mechanism in the present application.

[0029] Figure 4 It is a schematic diagram of the front view structure of the second cam connecting rod transmission mechanism in the present application.

[0030] Figure 5 It is a schematic diagram of the front view structure of the third cam connecting rod transmission mechanism in the present application.

[0031] Figure 6 It is a schematic diagram of the front view structure of the fourth cam connecting rod transmission mechanism in the present application.

[0032] Figure 7 It is Figure 6 It is an enlarged view of A in the present application.

[0033] Figure 8 It is a schematic diagram of the front view structure of the second bending tail sealing device in the present application.

[0034] Figure 9 For Figure 8 Enlarged view at B.

[0035] Figure 10 For the main structure schematic diagram of the soft tube after each tail sealing (a is once tail sealing, b is twice tail sealing, and c is thrice tail sealing) in the application.

[0036] In the figure, the numbers represent: 1, first bending and tail sealing device; 11, left clamping block; 12, right clamping block; 13, first indentation mechanism; 14, first bending and tail sealing tooth block; 2, second bending and tail sealing device; 21, left clamping block; 211, second indentation mechanism; 22, right clamping block; 23, second bending and tail sealing tooth block; 3, total driving part; 4, first cam connecting rod transmission mechanism; 41, first cam curve; 42, first swing rod; 43, first connecting rod; 44, first straight line slide rod; 5, second cam connecting rod transmission mechanism; 51, second cam curve; 52, second swing rod; 53, second connecting rod; 54, second straight line slide rod; 6, third cam connecting rod transmission mechanism; 61, third cam curve; 62, third swing rod; 63, third connecting rod; 64, third straight line slide rod; 65, hooking and cutting swing rod; 7, fourth cam connecting rod transmission mechanism; 71, fourth cam curve; 72, fourth swing rod; 73, first stroke amplification assembly; 74, fourth connecting rod; 75, fourth straight line slide rod; 76, first gear swing rod; 77, first transmission gear set; 771, first driving gear; 772, first driven gear; 8, fifth cam connecting rod transmission mechanism; 9, sixth cam connecting rod transmission mechanism; 10, seventh cam connecting rod transmission mechanism; 15, soft tube; 16, once tail sealing part; 17, twice tail sealing part; 18, thrice tail sealing part; 19, bending and tail sealing area. DETAILED DESCRIPTION

[0037] The application will be further described below in conjunction with the drawings and specific embodiments.

[0038] As shown in the present disclosure and claims, unless the context clearly indicates otherwise, the words "one", "an", "a", and / or "the" do not mean only singular, but also include plural. The words "first", "second", and similar words used in the present disclosure do not indicate any order, number, or importance, but are only used to distinguish different components. Similarly, the words "include" or "contain" and similar words mean that the components or objects before the words cover the components or objects listed after the words and their equivalents, and do not exclude other components or objects. The words "connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.

[0039] Embodiment one

[0040] Figures 1 to 10 An embodiment of the hose tail sealing system is shown, the hose tail sealing system comprises a clamping conveying device for clamping a conveying hose 15, and a plurality of first bending tail sealing devices 1 arranged in sequence, and a general driving member 3 for driving the plurality of first bending tail sealing devices 1 to perform bending tail sealing movement, the first bending tail sealing device 1 comprises a left flattening block 11, a right flattening block 12, a first indentation mechanism 13, and a first bending tail sealing tooth block 14, the left flattening block 11 and the right flattening block 12 are oppositely arranged, the first indentation mechanism 13 and the first bending tail sealing tooth block 14 are arranged at different sides of the hose 15 and sequentially arranged downstream of the left flattening block 11 and the right flattening block 12, the general driving member 3 drives the left flattening block 11 and the right flattening block 12 to approach or move away from each other through a first cam connecting rod transmission mechanism 4 and a second cam connecting rod transmission mechanism 5, so as to flatten or loosen the hose 15, the general driving member 3 drives the first indentation mechanism 13 to swing through a third cam connecting rod transmission mechanism 6, so as to mark an indentation on the hose 15, and the general driving member 3 drives the first bending tail sealing tooth block 14 to overturn through a fourth cam connecting rod transmission mechanism 7, so as to bend and seal the hose 15.

[0041] Taking two first bending tail sealing devices 1 as an example, the tail sealing process of the hose tail sealing system is described: first step, the clamping conveying device conveys the hose 15 to the first first bending tail sealing device 1, the general driving member 3 drives the left flattening block 11 and the right flattening block 12 to approach each other through the first cam connecting rod transmission mechanism 4 and the second cam connecting rod transmission mechanism 5, so as to flatten the upper end of the hose 15, and then reset; second step, the general driving member 3 drives the first indentation mechanism 13 to swing to be close to the hose 15 through the third cam connecting rod transmission mechanism 6, and the first indentation mechanism 13 impacts the bottom of the flattened part of the hose 15 in a horizontal state, so as to form an indentation and lock a bending position; third step, the general driving member 3 drives the first bending tail sealing tooth block 14 to overturn through the fourth cam connecting rod transmission mechanism 7, so as to push the flattened part of the hose 15 to overturn to the right around the indentation, and the first indentation mechanism 13 gradually resets and moves away from the hose 15, so as to avoid interference with the overturning of the first bending tail sealing tooth block 14, and the first bending tail sealing tooth block 14 continues to overturn until 180°, so as to fold the flattened part of the hose 15 to form a first tail sealing part 16; fourth step, after the first tail sealing is completed, the general driving member 3 drives the first bending tail sealing tooth block 14 to reset through the fourth cam connecting rod transmission mechanism 7, the clamping conveying device conveys the hose 15 to the second first bending tail sealing device 1, and repeats the first step to the third step, so as to fold the first tail sealing part 16 to the right around the bottom, form a second tail sealing part 17, and complete the second tail sealing. Of course, in other embodiments, the first bending tail sealing device 1 can be provided with three or more, so as to realize more tail sealing and improve the sealing effect.

[0042] The hose sealing tail system, the first cam connecting rod transmission mechanism 4, the second cam connecting rod transmission mechanism 5, the third cam connecting rod transmission mechanism 6 and the fourth cam connecting rod transmission mechanism 7 share a total driving part 3, the stroke time sequence of each transmission mechanism is arranged differently, so that the total driving part 3 can drive the left pinch block 11, the right pinch block 12, the first indentation mechanism 13 and the first bending sealing tail tooth block 14 to complete pinch, indentation and bending in turn, without setting a separate drive for one execution component, simplifying the structure, reducing the floor area, and the total driving part 3 drives each execution component through mechanical transmission, without complex logic control to complete sealing tail, improve the stability and reliability of the sealing tail, meet the high-speed sealing tail requirements.

[0043] In the embodiment, the first cam connecting rod transmission mechanism 4 includes a first cam curve 41, a first swing rod 42, a first connecting rod 43 and a first straight line slide rod 44, the first cam curve 41 is connected with the total driving part 3, the first swing rod 42 is hinged between the first cam curve 41 and the first connecting rod 43, the first straight line slide rod 44 is hinged with the first connecting rod 43, and the left pinch block 11 is connected with the first straight line slide rod 44. The total driving part 3 drives the first cam curve 41 to rotate, the first cam curve 41 drives the first swing rod 42 to swing, the first swing rod 42 drives the first straight line slide rod 44 and the left pinch block 11 to move horizontally and linearly through the first connecting rod 43.

[0044] In the embodiment, the second cam connecting rod transmission mechanism 5 includes a second cam curve 51, a second swing rod 52, a second connecting rod 53 and a second straight line slide rod 54, the second cam curve 51 is connected with the total driving part 3, the second swing rod 52 is hinged between the second cam curve 51 and the second connecting rod 53, the second straight line slide rod 54 is hinged with the second connecting rod 53, and the right pinch block 12 is connected with the second straight line slide rod 54. The total driving part 3 drives the second cam curve 51 to rotate, the second cam curve 51 drives the second swing rod 52 to swing, the second swing rod 52 drives the second straight line slide rod 54 and the right pinch block 12 to move horizontally and linearly through the second connecting rod 53.

[0045] Specifically, the left pinch block 11 moves linearly to the right in the upper half of the movement cycle of the first cam curve 41, the right pinch block 12 moves linearly to the left in the upper half of the movement cycle of the second cam curve 51, realizes the approach of the two, and pinches the hose 15; the left pinch block 11 moves linearly to the left in the lower half of the movement cycle of the first cam curve 41, the right pinch block 12 moves linearly to the right in the lower half of the movement cycle of the second cam curve 51, realizes the separation of the left pinch block 11 and the right pinch block 12, and releases the hose 15, so as to transport the hose 15.

[0046] In the embodiment, the third cam link transmission mechanism 6 comprises a third cam curve 61, a third swing rod 62, a third link 63, a third straight slide rod 64 and a hook blade swing rod 65. The third cam curve 61 is connected with the general driving part 3. The third swing rod 62 is hinged between the third cam curve 61 and the third link 63. The third straight slide rod 64 is hinged with the third link 63. One end of the hook blade swing rod 65 is hinged with the third straight slide rod 64. The first indentation mechanism 13 is arranged at the other end of the hook blade swing rod 65. The middle part of the hook blade swing rod 65 is rotatably arranged. The general driving part 3 drives the third cam curve 61 to rotate. The third cam curve 61 drives the third swing rod 62 to swing. The third swing rod 62 drives the third straight slide rod 64 to linearly slide through the third link 63. The third straight slide rod 64 drives the hook blade swing rod 65 to swing around the middle part, so that the first indentation mechanism 13 approaches the hose 15, until the first indentation mechanism 13 is in a horizontal state and hits the bottom of the pinched part of the hose 15, to form an indentation, and then resets. In the embodiment, the fourth cam link transmission mechanism 7 comprises a fourth cam curve 71, a fourth swing rod 72, a first stroke amplification assembly 73, a fourth link 74, a fourth straight slide rod 75, a first gear swing rod 76 and a first transmission gear set 77. The fourth cam curve 71 is connected with the general driving part 3. The fourth swing rod 72 is hinged with the fourth cam curve 71 and is hinged with the fourth link 74 through the first stroke amplification assembly 73. The fourth straight slide rod 75 is hinged between the fourth link 74 and the first gear swing rod 76. The first driving gear 771 of the first transmission gear set 77 is connected with the first gear swing rod 76. The first bent tail sealing tooth block 14 is connected with the first driven gear 772 of the first transmission gear set 77.

[0047] The hose tail sealing system in the embodiment further comprises a second bending tail sealing device 2 located downstream of the first bending tail sealing device 1. The second bending tail sealing device 2 comprises a left clamping mark block 21, a right clamping mark block 22 and a second bending tail sealing tooth block 23. The left clamping mark block 21 and the right clamping mark block 22 are oppositely arranged. The second bending tail sealing tooth block 23 is located downstream of the right clamping mark block 22. The left clamping mark block 21 is provided with a second indentation mechanism 211. The second indentation mechanism 211 and the second bending tail sealing tooth block 23 are located at different sides of the hose 15. The general driving member 3 drives the left clamping mark block 21 and the right clamping mark block 22 to approach or move away from each other through the fifth cam link transmission mechanism 8 and the sixth cam link transmission mechanism 9, so as to clamp or loosen the hose 15. The general driving member 3 drives the second bending tail sealing tooth block 23 to flip through the seventh cam link transmission mechanism 10, so as to bend and seal the tail of the hose 15. The first bending tail sealing tooth block 14 and the second bending tail sealing tooth block 23 are located at different sides of the hose 15.

[0048] The tail sealing process of the second bending tail sealing device 2 is as follows: after the hose 15 passes through the tail sealing of the two first bending tail sealing devices 1, in the fifth step, the clamping and conveying device conveys the hose 15 to between the left clamping mark block 21 and the right clamping mark block 22 of the second bending tail sealing device 2. The general driving member 3 drives the left clamping mark block 21 and the right clamping mark block 22 to approach each other through the fifth cam link transmission mechanism 8 and the sixth cam link transmission mechanism 9, so that the second indentation mechanism 211 on the left clamping mark block 21 extrudes and forms a mark in the middle of the secondary tail sealing part 17. In the sixth step, the general driving member 3 drives the left clamping mark block 21 and the right clamping mark block 22 to move away from each other through the fifth cam link transmission mechanism 8 and the sixth cam link transmission mechanism 9, so as to loosen the hose 15. The general driving member 3 drives the second bending tail sealing tooth block 23 to flip 180° through the seventh cam link transmission mechanism 10, pushes the secondary tail sealing part 17 to fold left around the middle mark, and forms a tertiary tail sealing part 18.

[0049] The first two first bending tail sealing devices 1 are right bending tail sealing devices. A relatively thick secondary tail sealing part 17 is formed on one side of the hose 15. The secondary tail sealing part 17 can be bent left along the middle through the second bending tail sealing device 2, so as to improve the tail sealing effect. Meanwhile, the tertiary tail sealing part 18 is symmetrical and uniform, and more beautiful.

[0050] In this embodiment, the fifth cam link transmission mechanism 8 comprises a fifth cam curve, a fifth swing rod, a fifth connecting rod and a fifth straight slide rod. The fifth cam curve is connected with the total driving member 3. The fifth swing rod is hinged between the fifth cam curve and the fifth connecting rod. The fifth straight slide rod is hinged with the fifth connecting rod. The left clamping mark block 21 is connected with the fifth straight slide rod. The sixth cam link transmission mechanism 9 comprises a sixth cam curve, a sixth swing rod, a sixth connecting rod and a sixth straight slide rod. The sixth cam curve is connected with the total driving member 3. The sixth swing rod is hinged between the sixth cam curve and the sixth connecting rod. The sixth straight slide rod is hinged with the sixth connecting rod. The right clamping mark block 22 is connected with the sixth straight slide rod. The fifth cam curve, the fifth swing rod, the fifth connecting rod, the fifth straight slide rod, the sixth cam curve, the sixth swing rod, the sixth connecting rod and the sixth straight slide rod are not shown in the figure. The transmission process of the fifth cam link transmission mechanism 8 and the sixth cam link transmission mechanism 9 is the same as that of the first cam link transmission mechanism 4 and the second cam link transmission mechanism 5 respectively. Here, no further description is given. The difference is that the second indentation mechanism 211 is arranged on the left clamping mark block 21. The left clamping mark block 21 and the right clamping mark block 22 are close to the secondary sealing tail part 17 and can clamp and form an indentation on the secondary sealing tail part 17 at the same time.

[0051] In this embodiment, the seventh cam link transmission mechanism 10 comprises a seventh cam curve, a seventh swing rod, a second stroke amplification assembly, a seventh connecting rod, a seventh straight slide rod, a second gear swing rod and a second transmission gear set. The seventh cam curve is connected with the total driving member 3. The seventh swing rod is hinged on the seventh cam curve and is hinged with the seventh connecting rod through the second stroke amplification assembly. The seventh straight slide rod is hinged between the seventh connecting rod and the second gear swing rod. The second driving gear of the second transmission gear set is connected with the second gear swing rod. The second bending sealing tail tooth block 23 is connected with the second driven gear of the second transmission gear set. The seventh cam curve, the seventh swing rod, the second stroke amplification assembly, the seventh connecting rod, the seventh straight slide rod, the second gear swing rod and the second transmission gear set are not shown in the figure. The transmission process of the seventh cam link transmission mechanism 10 is the same as that of the fourth cam link transmission mechanism 7. Here, no further description is given.

[0052] In this embodiment, the stroke timing of the first cam curve 41, the second cam curve 51, the third cam curve 61, the fourth cam curve 71, the fifth cam curve and the sixth cam curve can be set differently to coordinate and complete the sealing tail.

[0053] In this embodiment, the second cam curve 51 and the third cam curve 61 are arranged on the front and back surfaces of a cam respectively. The fifth cam curve and the sixth cam curve are arranged on the front and back surfaces of a cam respectively, which reduces the number of cams and makes the structure more compact. Of course, in other embodiments, each cam curve can be arranged on a corresponding cam separately.

[0054] In this embodiment, on the premise that a hose 15 needs to be sealed three times by two first bending sealing tail devices 1 and a second bending sealing tail device 2, the two first bending sealing tail devices 1 and the second bending sealing tail device 2 are called a bending sealing tail group, two bending sealing tail groups are called a bending sealing tail area 19, and two hoses 15 can be sealed at the same time. The sealing system can be provided with multiple bending sealing tail areas 19, and the multiple bending sealing tail areas 19 still share one total driving member 3. This arrangement can seal multiple hoses 15 at the same time in one movement cycle, improving the sealing efficiency.

[0055] Embodiment two

[0056] A sealing tail method of a hose sealing tail system, the sealing tail method of the hose sealing tail system in this embodiment includes the following steps:

[0057] S1, primary sealing tail: the first first bending sealing tail device 1 sequentially clamps, indents, and bends the hose 15 to form a primary sealing tail part 16;

[0058] S2, secondary sealing tail: the second first bending sealing tail device 1 sequentially clamps, indents, and bends the primary sealing tail part 16 to form a secondary sealing tail part 17;

[0059] S3, tertiary sealing tail: the second bending sealing tail device 2 indents and bends the middle part of the secondary sealing tail part 17 to form a tertiary sealing tail part 18.

[0060] The sealing tail method of the hose sealing tail system is simple in steps and can realize sealing tail without complex logic control, and is high in working stability and reliability. The tertiary sealing tail makes the secondary sealing tail part 17 bend to the left along the middle part, improves the sealing effect of the sealing tail, and increases the aesthetic property.

[0061] Embodiment three

[0062] A sealing tail method of a hose sealing tail system, the sealing tail method of the hose sealing tail system in this embodiment includes the following steps:

[0063] S1, clamping: the clamping conveying device conveys the hose 15 to the first first bending sealing tail device 1, and the left clamping block 11 and the right clamping block 12 clamp the upper end of the hose 15;

[0064] S2, indentation: the clamping conveying device conveys the hose 15 to the indentation mechanism 13, and the indentation mechanism 13 forms an indentation at the bottom of the clamped part of the hose 15;

[0065] S3, bending: the clamping conveying device conveys the hose 15 to the first bending sealing tail tooth block 14, and the first bending sealing tail tooth block 14 folds the clamped part of the hose 15 to one side around the indentation to form a primary sealing tail part 16.

[0066] The sealing method of the hose sealing system is simple in steps, and the sealing can be realized without complex logic control, and the working stability and reliability are high.

[0067] Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make many possible changes and modifications to the technical solutions of the present application, or modify equivalent embodiments with equivalent changes, without departing from the scope of the technical solutions of the present application, by using the disclosed technical contents. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the content of the technical solutions of the present application, shall fall within the protection scope of the technical solutions of the present application.

Claims

1. A hose tail sealing system comprising a clamping delivery device for clamping a delivery hose (15), characterized in that: The first bending and sealing tail device (1) and the general driving member (3) for driving the plurality of first bending and sealing tail devices (1) to perform bending and sealing tail movement are sequentially arranged, the first bending and sealing tail device (1) comprises a left flattening block (11), a right flattening block (12), a first indentation mechanism (13) and a first bending and sealing tooth block (14), the left flattening block (11) and the right flattening block (12) are oppositely arranged, the first indentation mechanism (13) and the first bending and sealing tooth block (14) are arranged on different sides of the hose (15), the general driving member (3) drives the left flattening block (11) and the right flattening block (12) to approach or move away from each other through the first cam connecting rod transmission mechanism (4), the second cam connecting rod transmission mechanism (5) to flatten or loosen the hose (15), the general driving member (3) drives the first indentation mechanism (13) to swing through the third cam connecting rod transmission mechanism (6) to mark the indentation on the hose (15), the general driving member (3) drives the first bending and sealing tooth block (14) to overturn through the fourth cam connecting rod transmission mechanism (7) to bend and seal the hose (15), the stroke time sequence of the first cam connecting rod transmission mechanism (4), the second cam connecting rod transmission mechanism (5), the third cam connecting rod transmission mechanism (6) and the fourth cam connecting rod transmission mechanism (7) is arranged to make the left flattening block (11), the right flattening block (12), the first indentation mechanism (13) and the first bending and sealing tooth block (14) sequentially complete flattening, indentation and bending in the same station.

2. The hose tail sealing system of claim 1, wherein: The first cam connecting rod transmission mechanism (4) comprises a first cam curve (41), a first swing rod (42), a first connecting rod (43) and a first straight line slide rod (44), the first cam curve (41) is connected with the general driving member (3), the first swing rod (42) is hinged between the first cam curve (41) and the first connecting rod (43), the first straight line slide rod (44) is hinged with the first connecting rod (43), and the left flattening block (11) is connected with the first straight line slide rod (44).

3. The hose tail sealing system of claim 1, wherein: The second cam connecting rod transmission mechanism (5) comprises a second cam curve (51), a second swing rod (52), a second connecting rod (53) and a second straight line slide rod (54), the second cam curve (51) is connected with the general driving member (3), the second swing rod (52) is hinged between the second cam curve (51) and the second connecting rod (53), the second straight line slide rod (54) is hinged with the second connecting rod (53), and the right flattening block (12) is connected with the second straight line slide rod (54).

4. The hose tail sealing system of claim 1, wherein: The third cam link transmission mechanism (6) comprises a third cam curve (61), a third swing rod (62), a third connecting rod (63), a third straight line slide rod (64) and a hook blade swing rod (65), the third cam curve (61) is connected with the total driving element (3), the third swing rod (62) is hinged between the third cam curve (61) and the third connecting rod (63), the third straight line slide rod (64) is hinged with the third connecting rod (63), one end of the hook blade swing rod (65) is hinged with the third straight line slide rod (64), the first indentation mechanism (13) is arranged at the other end of the hook blade swing rod (65), and the middle part of the hook blade swing rod (65) is rotatably arranged.

5. The hose tail sealing system of claim 1, wherein: The fourth cam link transmission mechanism (7) comprises a fourth cam curve (71), a fourth swing rod (72), a first stroke amplification assembly (73), a fourth connecting rod (74), a fourth straight line slide rod (75), a first gear swing rod (76) and a first transmission gear set (77), the fourth cam curve (71) is connected with the total driving element (3), the fourth swing rod (72) is hinged with the fourth cam curve (71) and is hinged with the fourth connecting rod (74) through the first stroke amplification assembly (73), the fourth straight line slide rod (75) is hinged between the fourth connecting rod (74) and the first gear swing rod (76), the first driving gear (771) of the first transmission gear set (77) is connected with the first gear swing rod (76), and the first bent tail sealing tooth block (14) is connected with the first driven gear (772) of the first transmission gear set (77).

6. The hose tail sealing system of any one of claims 1 to 5, wherein: The hose tail sealing system further comprises a second bending tail sealing device (2), the second bending tail sealing device (2) is located downstream of the first bending tail sealing device (1), the second bending tail sealing device (2) comprises a left clamping mark block (21), a right clamping mark block (22) and a second bending tail sealing tooth block (23), the left clamping mark block (21) and the right clamping mark block (22) are oppositely arranged, the second indentation mechanism (211) is arranged on the left clamping mark block (21), the second indentation mechanism (211) and the second bending tail sealing tooth block (23) are arranged on different sides of the hose (15), the total driving element (3) drives the left clamping mark block (21) and the right clamping mark block (22) to approach or move away from each other through the fifth cam link transmission mechanism (8) and the sixth cam link transmission mechanism (9) respectively, so as to clamp or loosen the hose (15), the total driving element (3) drives the second bending tail sealing tooth block (23) to flip through the seventh cam link transmission mechanism (10), so as to bend and seal the tail of the hose (15), and the first bending tail sealing tooth block (14) and the second bending tail sealing tooth block (23) are located on different sides of the hose (15).

7. The hose tail sealing system of claim 6, wherein: The fifth cam link transmission mechanism (8) comprises a fifth cam curve, a fifth swing rod, a fifth connecting rod and a fifth straight line slide rod, the fifth cam curve is connected with the total driving element (3), the fifth swing rod is hinged between the fifth cam curve and the fifth connecting rod, the fifth straight line slide rod is hinged with the fifth connecting rod, the left clamping mark block (21) is connected with the fifth straight line slide rod, the sixth cam link transmission mechanism (9) comprises a sixth cam curve, a sixth swing rod, a sixth connecting rod and a sixth straight line slide rod, the sixth cam curve is connected with the total driving element (3), the sixth swing rod is hinged between the sixth cam curve and the sixth connecting rod, the sixth straight line slide rod is hinged with the sixth connecting rod, the right clamping mark block (22) is connected with the sixth straight line slide rod.

8. The hose tail sealing system of claim 6, wherein: The seventh cam link transmission mechanism (10) comprises a seventh cam curve, a seventh swing rod, a second stroke amplification assembly, a seventh connecting rod, a seventh straight line slide rod, a second gear swing rod and a second transmission gear set, the seventh cam curve is connected with the total driving element (3), the seventh swing rod is hinged on the seventh cam curve and is hinged with the seventh connecting rod through the second stroke amplification assembly, the seventh straight line slide rod is hinged between the seventh connecting rod and the second gear swing rod, the second driving gear of the second transmission gear set is connected with the second gear swing rod, and the second bending tail sealing tooth block (23) is connected with the second driven gear of the second transmission gear set.

9. A method of sealing the end of a hose according to any one of claims 6 to 8, characterised in that: The method comprises the following steps: S1, primary tail sealing: the first bending tail sealing device (1) sequentially clamps, indents and bends the soft tube (15) to form a primary tail sealing part (16); S2, secondary tail sealing: the second first bending tail sealing device (1) sequentially clamps, indents and bends the primary tail sealing part (16) to form a secondary tail sealing part (17); S3, tertiary tail sealing: the second bending tail sealing device (2) indents and bends the middle part of the secondary tail sealing part (17) to form a tertiary tail sealing part (18).

10. A method of sealing the end of a hose according to any one of claims 1 to 8, characterised in that: The method comprises the following steps: S1, clamping: the clamping conveying device conveys the soft tube (15) to the first first bending tail sealing device (1), and the left clamping block (11) and the right clamping block (12) clamp the upper end of the soft tube (15); S2, indentation: the clamping conveying device conveys the soft tube (15) to the first indentation mechanism (13), and the first indentation mechanism (13) forms an indentation at the bottom of the clamped part of the soft tube (15); S3, bending: the clamping conveying device conveys the soft tube (15) to the first bending tail sealing tooth block (14), and the first bending tail sealing tooth block (14) folds the clamped part of the soft tube (15) to one side around the indentation.

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