Heat sealing device and packaging machine

Abstract

According to the technical scheme, the heat-sealing device and the packaging machine are characterized in that the heat-sealing device comprises an abutting head and a heat-sealing head, the abutting head and the heat-sealing head clamp packaging materials, Teflon cloth is arranged on the heat-sealing head, and the heat-sealing head makes contact with the packaging materials indirectly through the Teflon cloth; the teflon cloth is arranged, so that packaging materials cannot be adhered to the heat sealing head, the heat sealing quality of follow-up packaging materials is kept, the heat sealing head does not need to be cleaned frequently, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging technical field more specifically, it relates to a kind of heat sealing device and packing machine. BACKGROUND

[0002] With the development of science and technology, packing machine has been widely used in various packing processes, gradually replacing the slow manual packing mode, wherein the heat sealing device as the core component of packing machine is used for the sealing treatment of various packaging bags, plastic film and other materials, the heat sealing device makes plastic film reach molten state by heating, and realizes molecular level adhesion under the action of pressure, so as to create a tightly sealed package, effectively prevent bacteria from entering, prolong the shelf life of product.

[0003] However, in actual use process, the existing heat sealing device generally encounters the problem that: plastic film is easily bonded on the heat sealing head after being heated, which not only affects the sealing quality, but also increases the maintenance cost of equipment and reduces the production efficiency. UTILITY MODEL CONTENT

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of heat sealing device, including abutment and heat sealing head, the abutment and heat sealing head are clamped to packaging, the heat sealing head is equipped with Teflon cloth, the heat sealing head is indirectly contacted with packaging by Teflon cloth.

[0006] The utility model is further provided as follows: the side of heat sealing head towards abutment is heating surface, and the Teflon cloth completely covers the heating surface of heat sealing head.

[0007] The utility model is further provided as follows: the upper side and lower side of heat sealing head are equipped with material feeding roller and material collecting roller respectively, one end of Teflon cloth is arranged on material feeding roller, and the other end is wound to material collecting roller after passing heating surface, when material collecting roller rotates, new Teflon cloth on material feeding roller is pulled out.

[0008] The utility model is further provided as follows: it further includes abutment support and heat sealing support, the abutment is arranged on abutment support, the heat sealing support is equipped with drive cylinder, the heat sealing head is arranged on the piston rod of drive cylinder, and the heat sealing head is moved to the direction of abutment by drive cylinder, so as to clamp packaging.

[0009] The utility model is further provided as follows: the abutment and abutment support are connected by elastic member, when heat sealing head and abutment clamp packaging, the elastic member is compressed.

[0010] The utility model is further provided as follows: the elastic member is butterfly spring, and the butterfly spring is arranged along the moving direction of heat sealing head.

[0011] The utility model further sets up: the abutment support is equipped with first clamping plate on the upper and lower sides of abutment head, the heat seal support is equipped with second clamping plate on the upper and lower sides of heat seal head, first clamping plate is fixedly connected with abutment support, second clamping plate is movably arranged on abutment support and moves along with heat seal head, when drive cylinder stretches out, second clamping plate and first clamping plate contact first and hold packaging bag.

[0012] The utility model further sets up: the heat seal head projects guiding rod to one side of heat seal support, the guiding rod passes through heat seal support and is slidably connected with it, second clamping plate is slidably connected on guiding rod through linear bearing, linear bearing is located between second clamping plate and heat seal support, be provided with clamping spring between linear bearing and heat seal support, when clamping spring is in initial state, clamping spring abuts tightly second clamping plate on first clamping plate.

[0013] In addition, the utility model also proposes a kind of packing machine, including above-mentioned heat seal device.

[0014] Compared with prior art, the utility model at least has following advantages:

[0015] 1, by setting Teflon cloth on heating head, heat seal head indirectly clamps packaging by Teflon cloth, since Teflon cloth has excellent non-stick property, packaging is not easy to adhere when heat sealing, ensure the normal use of heat seal head, maintain heat sealing quality to subsequent packaging, need not frequently clean heat seal head, improve production efficiency.

[0016] 2, can the whole bundle of Teflon cloth is sleeved on material feeding roller, when Teflon cloth on heat seal head is used for a period of time, replace Teflon cloth on heat seal head by rotating material collecting roller, need not manual replacement, it is more convenient.

[0017] 3, by setting first clamping plate and second clamping plate, the upper and lower sides of packaging heat sealing place are clamped and fixed when heat sealing, improve heat sealing quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 it is the first view drawing of first embodiment;

[0019] Figure 2 it is Figure 1 the enlarged scale schematic view of A portion in;

[0020] Figure 3 it is the second view drawing of first embodiment;

[0021] Figure 4 it is the plan view of first embodiment.

[0022] Reference signs:

[0023] 1, abutting head; 2, heat sealing head; 3, Teflon cloth; 4, heating surface; 5, feeding roller; 6, collecting roller; 7, abutting support; 8, heat sealing support; 9, driving cylinder; 10, butterfly spring; 11, first clamping plate; 12, second clamping plate; 13, clamping spring; 14, hand wheel; 15, guide rod; 16, compression spring; 17, mounting plate; 18, linear bearing. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "join" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] First embodiment:

[0027] A heat sealing device, as shown in Figure 1 and Figure 2 shown, comprising an abutting head 1 and a heat sealing head 2, the abutting head 1 and the heat sealing head 2 clamp the packaging, and the packaging is heat sealed by the heat sealing head 2, the heat sealing head 2 is provided with a Teflon cloth 3, the heat sealing head 2 indirectly contacts the packaging through the Teflon cloth 3, so that the heated packaging is not bonded to the heat sealing head 2, and at the same time, since the Teflon cloth 3 has excellent non-stick property, the packaging is also not bonded to the Teflon cloth 3.

[0028] The heat sealing head 2 is arranged in the direction of the opening of the packaging, and can completely heat seal the opening of the packaging, and the side of the heat sealing head 2 facing the abutting head 1 is a heating surface 4, the width of the Teflon cloth 3 is not less than the length of the heat sealing head 2, and completely covers the heating surface 4 of the heat sealing head 2.

[0029] The upper and lower sides of the heat sealing head 2 are respectively provided with a feeding roller 5 and a collecting roller 6, the feeding roller 5 and the collecting roller 6 are arranged along the length direction of the heat sealing head 2, one end of the Teflon cloth 3 is arranged on the feeding roller 5, and the other end is wound on the collecting roller 6 after passing through the heating surface 4, so that a whole bundle of Teflon cloth 3 can be arranged on the feeding roller 5, when the collecting roller 6 rotates, the new Teflon cloth 3 on the feeding roller 5 is pulled out, so that the Teflon cloth 3 on the heating surface 4 is replaced, and the production efficiency is improved.

[0030] The heat sealing device further comprises an abutting support 7 and a heat sealing support 8, the abutting support 7 and the heat sealing support 8 are both fixed on the packaging machine, the feeding roller 5 and the collecting roller 6 are both rotationally connected to the heat sealing support 8, the heat sealing support 8 is provided with an installation plate 17 at both ends, the installation plate 17 is provided with a through hole, the both ends of the feeding roller 5 and the collecting roller 6 are respectively inserted into the through holes of the both sides of the installation plate 17 to realize the rotational connection, the feeding roller 5 and the collecting roller 6 are manually rotated by the staff to complete the feeding and collecting of the Teflon cloth 3, and the both ends of the feeding roller 5 and the collecting roller 6 are both provided with a hand wheel 14 for facilitating the rotation of the staff.

[0031] The through hole on the left side of the installation plate 17 is hexagonal, the left side of the feeding roller 5 and the collecting roller 6 is fixed with a hexagonal bolt, and the right side of the feeding roller 5 and the collecting roller 6 is provided with a compression spring 16 between the right side and the installation plate 17, in the initial state, the hexagonal bolt is inserted into the through hole, so that the rotating shaft cannot rotate, when the Teflon cloth 3 needs to be fed or collected, the feeding roller 5 or the collecting roller 6 is pressed to the left side, so that the compression spring 16 is compressed, the hexagonal bolt is pushed out of the through hole, so that the rotating shaft can rotate, after the hand is released, the compression spring 16 rebounds, and the hexagonal bolt on the left side is pulled back into the through hole; when the staff presses the compression spring 16 to rotate, the compression spring 16 can also increase the rotating pressure to avoid excessive rotation.

[0032] As shown in Figure 1 , Figure 3 , Figure 4 The abutting head 1 is arranged on the abutting support 7, the heat sealing support 8 is provided with a driving cylinder 9, the heat sealing head 2 is fixed on the piston rod of the driving cylinder 9, the piston rod of the driving cylinder 9 is extended to drive the heat sealing head 2 to move towards the abutting head 1, so as to clamp the packaging object, and when the piston rod of the driving cylinder 9 is retracted, the heat sealing head 2 is reset.

[0033] The abutting head 1 and the abutting support 7 are connected through an elastic member, when the heat sealing head 2 and the abutting head 1 clamp the packaging object, the elastic member is compressed, so that the heat sealing head 2 and the abutting head have a buffering effect, avoiding direct hard contact, in the embodiment, the elastic member is a butterfly spring 10, the butterfly spring 10 is arranged along the moving direction of the heat sealing head 2, and the both ends of the butterfly spring 10 are respectively connected with the abutting support 7 and the abutting head 1.

[0034] The guiding rod 15 protrudes from the side of the heat sealing head 2 facing the heat sealing support 8, passes through the through hole on the heat sealing support 8, and is driven to slide along the through hole on the heat sealing support 8 when the driving cylinder 9 drives the heat sealing head 2 to move, so that the guiding rod 15 plays a guiding role to make the moving direction of the second clamping plate 12 consistent with the moving direction of the heat sealing head 2, and deviation is avoided.

[0035] The first clamping plate 11 is fixedly connected with the abutting support 7, the second clamping plate 12 is movably arranged on the abutting support 7 and moves with the heat sealing head 2, and the abutting head 1 and the heat sealing head 2 are located on the inner sides of the first clamping plate 11 and the second clamping plate 12, respectively.

[0036] Specifically, the second clamping plate 12 is slidably connected to the guiding rod 15 through a linear bearing 18, the linear bearing 18 is located between the second clamping plate 12 and the heat sealing support 8, the guiding rod 15 passes through the linear bearing 18 first and then passes through the heat sealing support 8, and a clamping spring 13 is arranged between the second clamping plate 12 and the heat sealing support 8.

[0037] When the clamping spring 13 is in the initial state, the second clamping plate 12 is abutted against the first clamping plate 11 by the clamping spring 13, when the driving cylinder 9 is retracted, the heat sealing head 2 pushes the linear bearing 18 backward, and the second clamping plate 12 is retracted together and compresses the clamping spring 13; when the driving cylinder 9 is extended, the heat sealing head 2 is driven to move towards the abutting head 1, and the clamping spring 13 rebounds to push the linear bearing 18 towards the first clamping plate 11, thereby driving the second clamping plate 12 to extend, when the second clamping plate 12 and the first clamping plate 11 clamp the packaging object, the driving cylinder 9 continues to extend until the heat sealing block and the abutting block are clamped, at this time, the linear bearing 18 slides relative to the guiding rod 15, and the clamping force of the second clamping plate 12 and the first clamping plate 11 is provided by the clamping spring 13.

[0038] The working process of the utility model is as follows:

[0039] When the package enters the heat sealing device, the driving cylinder 9 drives the heat sealing head 2 to move towards the abutting block, and the second clamping plate 12 is clamped with the first clamping plate 11 under the driving of the clamping spring 13 to clamp the package, the driving cylinder 9 continues to extend to make the heat sealing head 2 clamp the package with the abutting head 1 to perform heat sealing, the driving cylinder 9 drives the heat sealing head 2 to retract after the heat sealing is completed, and the heat sealing head 2 drives the second clamping plate 12 to retract together; when the Teflon cloth 3 covered on the heating surface 4 is used for a period of time, the material collecting roller 6 is pushed to the left side to make the hexagon bolt move out of the through hole, and then the material collecting roller 6 is rotated to replace the Teflon cloth 3 on the heating surface 4 with a new one.

[0040] Second embodiment:

[0041] A packaging machine comprising the heat sealing device of the first embodiment.

[0042] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. within the design concept of the present application shall be included in the protection scope of the present application.

Claims

1. A heat sealing device characterized by: The application relates to a heat-sealing device, which comprises an abutting head and a heat-sealing head, the abutting head and the heat-sealing head clamp a packaging bag, the heat-sealing head is provided with a Teflon cloth, and the heat-sealing head indirectly contacts the packaging bag through the Teflon cloth.

2. The heat sealing apparatus of claim 1, wherein: The side of the heat-sealing head facing the abutting head is a heating surface, and the Teflon cloth completely covers the heating surface of the heat-sealing head.

3. The heat sealing apparatus of claim 2, wherein: The upper and lower sides of the heat-sealing head are respectively provided with a feeding roller and a collecting roller, one end of the Teflon cloth is arranged on the feeding roller, the other end of the Teflon cloth is wound on the collecting roller after passing through the heating surface, and when the collecting roller rotates, new Teflon cloth on the feeding roller is pulled out.

4. The heat sealing apparatus of claim 1, wherein: The application further relates to an abutting support and a heat-sealing support, the abutting head is arranged on the abutting support, the heat-sealing support is provided with a driving cylinder, the heat-sealing head is arranged on the piston rod of the driving cylinder, the heat-sealing head is driven by the driving cylinder to move towards the abutting head, so that the packaging bag is clamped.

5. The heat sealing apparatus of claim 4, wherein: The abutting head and the abutting support are connected through an elastic element, and when the heat-sealing head and the abutting head clamp the packaging bag, the elastic element is compressed.

6. The heat sealing apparatus of claim 5, wherein: The elastic element is a butterfly spring, and the butterfly spring is arranged along the moving direction of the heat-sealing head.

7. The heat sealing apparatus of claim 4, wherein: The abutting support is provided with first clamping plates on the upper and lower sides of the abutting head, the heat-sealing support is provided with second clamping plates on the upper and lower sides of the heat-sealing head, the first clamping plates are fixedly connected with the abutting support, the second clamping plates are movably arranged on the abutting support and move with the heat-sealing head, and when the driving cylinder is extended, the second clamping plates first contact the first clamping plates to clamp the packaging bag.

8. The heat sealing apparatus of claim 7, wherein: The side of the heat-sealing head facing the heat-sealing support is provided with a guide rod, the guide rod penetrates through the heat-sealing support and is slidably connected with the heat-sealing support, the second clamping plates are slidably connected with the guide rod through linear bearings, the linear bearings are located between the second clamping plates and the heat-sealing support, clamping springs are arranged between the linear bearings and the heat-sealing support, and when the clamping springs are in an initial state, the clamping springs abut against the second clamping plates on the first clamping plates.

9. A packaging machine characterized in that: The application further relates to a heat-sealing device.

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