CN212314051U - Constant temperature device for heat-sealing heating - Google Patents
Constant temperature device for heat-sealing heating Download PDFInfo
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- CN212314051U CN212314051U CN202020911559.0U CN202020911559U CN212314051U CN 212314051 U CN212314051 U CN 212314051U CN 202020911559 U CN202020911559 U CN 202020911559U CN 212314051 U CN212314051 U CN 212314051U
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Abstract
The utility model belongs to the technical field of sealing or sealing devices, and discloses a constant temperature device for heat sealing and heating, which comprises a liquid storage tank and a heating channel, wherein the heating channel is embedded in a hot-pressing block and comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end and the liquid outlet end are both communicated with the liquid storage tank; the liquid storage tank is filled with heat-conducting liquid and is also internally provided with a heating rod. The utility model provides a current each partial heat distribution of heat-seal head uneven, lead to the problem that the wrapping bag defective percentage after the heat-seal is high.
Description
Technical Field
The utility model belongs to the technical field of sealed or closing device, concretely relates to constant temperature equipment is used in heat-seal heating.
Background
In the production process of the packaging bag, a heat sealing machine is required to carry out heat sealing on the edges. When in heat sealing, a heat sealing machine is generally used, a heat sealing head on the heat sealing machine is heated, a packaging bag to be heat-sealed is placed below the heat sealing head, and the heat sealing head is driven to move downwards by a driving part, so that the heat sealing head is contacted with corners of the packaging bag, and the heat sealing of the packaging bag is completed. At present, a heat sealing head is usually heated by a heating rod, but the temperature of the heating rod is difficult to control, and the heat sealing surface of the heat sealing head has uneven temperature distribution, so that the conditions of uneven and uneven heat sealing can occur, the defective rate of a packaging bag heat sealing process is high, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant temperature equipment is used in heat-seal heating to solve the uneven distribution of each partial heat of current heat-seal head, lead to the problem that the wrapping bag defective percentage after the heat-seal is high.
In order to achieve the purpose, the utility model provides a constant temperature device for heat sealing and heating, which comprises a liquid storage tank and a heating channel, wherein the heating channel is embedded in a hot-pressing block, the heating channel comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end and the liquid outlet end are both communicated with the liquid storage tank; the liquid storage tank is filled with heat-conducting liquid and is also internally provided with a heating rod.
The technical principle of the technical scheme is as follows:
utilize the heating rod to heat the heat conduction liquid in the liquid reserve tank to heat conduction liquid water conservancy diversion after will heating to heating channel in through the feed liquor end, and heating channel inlays and establishes in the hot briquetting, can carry out the even heating to the hot briquetting through heat conduction liquid, and then can realize that the temperature everywhere of hot briquetting heat-seal face is even, realizes the even hot pressing to the wrapping bag, reduces the defective percentage of wrapping bag heat-seal process.
The beneficial effects of the technical scheme are as follows:
1. the heating channel is embedded in the hot-pressing block, and heated heat-conducting liquid is introduced into the heating channel, so that the hot-pressing block can be heated, and heat sealing can be completed; the heat-conducting liquid is communicated in the heating channel, so that the temperature in the whole heating channel is uniform, the temperature of the heat-sealing surface of the hot-pressing block is uniform, the uniform heat sealing of the packaging bag is realized, and the defective rate is reduced;
2. set up the liquid reserve tank, can realize heating and storing heat conduction liquid to the heat conduction liquid after the realization carries the heating to the heating channel, accomplish the heat-seal.
Further, the heating channel is U-shaped.
Has the advantages that: the heating channel can be parallel to the heat-sealing surface of the hot-pressing block, and the heat-sealing surface of the hot-pressing block can be uniformly heated.
Further, a liquid inlet one-way valve is arranged in the liquid inlet end, and a liquid outlet one-way valve is arranged in the liquid outlet end.
Has the advantages that: the liquid inlet one-way valve and the liquid outlet one-way valve are arranged, so that heat-conducting liquid can enter from the liquid inlet end and flow out from the liquid outlet end, and the heat-conducting liquid can flow and be replaced in the heating channel conveniently.
Further, the heating rod includes the heating portion of downside and the installation department of upside, and the installation department runs through the top of liquid reserve tank, and the installation department rotates with the liquid reserve tank top to be connected, is equipped with polylith stirring vane on the heating portion.
Has the advantages that: the rotation of the heating part can be realized through rotating the mounting part, and then the stirring of the heat-conducting liquid is completed, so that the heat-conducting liquid is heated synchronously.
Further, a sliding plate is connected in the liquid storage tank in a transverse sliding mode, the sliding plate divides the liquid storage tank into a heating cavity and a liquid guide cavity, and the heating rod is arranged in the heating cavity; the liquid inlet end of the heating channel is communicated with the heating cavity, and the liquid outlet end of the heating channel is communicated with the liquid guide cavity; a push rod which penetrates through one end of the liquid storage tank and is transversely connected with the liquid storage tank in a sliding manner is fixed on the sliding plate; the sliding plate is provided with a liquid guide port for communicating the heating cavity with the liquid guide cavity, and a liquid guide one-way valve is arranged in the liquid guide port.
Has the advantages that:
if the relatively lower heat conduction liquid of temperature of deriving in the follow heating channel directly mixes with the heat conduction liquid that heats the intracavity, can lead to the heat conduction liquid temperature of heating the intracavity to reduce, and then lead to the temperature that gets into the heat conduction liquid in the heating channel low, the influence is to the heating of hot pressing piece, and then influences the heat-seal of subsequent wrapping bag. Consequently set up the stock solution chamber into heating chamber and drain chamber, heat conduction liquid in the heating intracavity, and the drain chamber can store the heat conduction liquid of deriving in the follow-up heating channel, avoids mixing with the heat conduction liquid in the heating intracavity from the relatively lower heat conduction liquid of the temperature of deriving in the heating channel, reduces the influence to the heating of follow-up hot pressing piece.
Drive the slide through the push rod and to being close to the heating chamber direction and slide, can pass through the leading-in heating intracavity of feed liquor end with the heat conduction liquid after the heating intracavity, at this in-process, after the liquid after the heating got into heating channel, can make the pressure increase in the heating channel, and then the lower heat conduction liquid of temperature gets into the drain intracavity from going out the liquid end in the heating channel, stores. After the liquid feeding is finished, the sliding plate is moved in the direction close to the liquid guide cavity, so that the sliding plate extrudes the heat-conducting liquid in the liquid guide cavity, and the heat-conducting liquid enters the heating cavity through the liquid guide port to be heated.
And the driving part comprises a first rack fixed with a driving part of the heat sealing machine and a second rack fixed with a sliding plate, and also comprises transmission gears respectively meshed with the first rack and the second rack, wherein the first rack faces the liquid guide cavity, and the second rack faces upwards.
Has the advantages that: the driving part is arranged to drive the push rod to move without manual driving. When hot pressing is carried out, the electric first rack of the driving piece of the heat sealing machine moves downwards, so that the transmission gear meshed with the first rack rotates, and the second rack is driven to move towards the direction of the heating cavity. And the heated heat-conducting liquid is guided into the heating channel to heat the hot-pressing block.
Furthermore, the driving parts are two and are respectively positioned at two sides of the liquid storage tank, the push rods are also two, and the other push rod is fixed at the other side of the sliding plate.
Has the advantages that: set up two driving pieces, can realize that two driving pieces drive the slide motion simultaneously, can make the operation of slide more smooth and easy.
Further, a pressure relief opening communicated with the heating cavity is formed in the liquid storage tank, and a pressure relief check valve is arranged in the pressure relief opening.
Has the advantages that: set up the pressure release mouth on the liquid reserve tank, can carry out the pressure release to the heating chamber, avoid the heating chamber in the heating process pressure crescent impaired condition of liquid reserve tank that leads to appear.
Further, the pressure relief port is located at the top of the liquid storage tank.
Has the advantages that: the heat-conducting liquid can be prevented from flowing out of the pressure relief opening.
Furthermore, a heat preservation cavity is arranged on the side wall of the liquid storage tank, and the heat preservation cavity is vacuum.
Has the advantages that: the vacuum heat preservation cavity is arranged, heat exchange between heat conduction liquid in the liquid storage tank and external air can be reduced, and the heat preservation effect is achieved.
Drawings
Fig. 1 is a longitudinal sectional view of embodiment 1 of the present invention;
fig. 2 is a longitudinal sectional view of embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a liquid storage tank 1, a heating cavity 11, a liquid guide cavity 12, a heat preservation cavity 13, a sliding plate 2, a liquid guide port 21, a push rod 22, a heating rod 3, a stirring blade 31, a heating channel 4, a driving part 5, a first rack 51, a second rack 52, a transmission gear 53 and a hot pressing block 6.
Example 1:
constant temperature equipment is used in heat-seal heating, as shown in attached figure 1 basically, including liquid reserve tank 1 and heating channel 4, liquid reserve tank 1 is fixed on the heat-sealing machine, and liquid reserve tank 1 is located the top of hot pressing piece 6, annotates in the liquid reserve tank 1 and has heat-conducting liquid, and heat-conducting liquid can be heat-conducting oil or water, preferred heat-conducting oil in this embodiment. The heating channel 4 is U-shaped, the heating channel 4 is transversely arranged, the left end of the heating channel 4 is a liquid inlet end, and the right end of the heating channel 4 is a liquid outlet end. Be equipped with heat preservation chamber 13 on the lateral wall of liquid reserve tank 1, heat preservation chamber 13 is the vacuum, can reduce heat conduction liquid and take place heat exchange with the outside, and then plays heat retaining effect.
Horizontal sliding connection has slide 2 in the liquid reserve tank 1, and slide 2 separates liquid reserve tank 1 for left heating chamber 11 and the drainage chamber 12 on right side, and the top of liquid reserve tank 1 is equipped with the pressure release mouth (not drawn in the picture) with heating chamber 11 intercommunication, is equipped with the relief valve in the pressure release mouth, and when the pressure in heating chamber 11 was great, can carry out the pressure release through the pressure release mouth. The liquid inlet end of the heating channel 4 penetrates through the bottom of the liquid storage tank 1 and is communicated with the heating cavity 11, and the liquid outlet end of the heating channel 4 penetrates through the bottom of the liquid storage tank 1 and is communicated with the liquid guide cavity 12.
Be provided with the feed liquor check valve in the feed liquor end of heating channel 4, when slide 2 slided right, the pressure increase in the heating chamber 11 to make the feed liquor check valve open, make the heat conduction liquid in the heating chamber 11 get into in the heating channel 4. A liquid outlet valve is arranged in the liquid outlet end of the heating channel 4, when the sliding plate 2 slides rightwards, the pressure in the liquid guide cavity 12 is reduced, and the heat-conducting liquid in the heating channel 4 is guided into the liquid guide cavity 12 through the liquid outlet valve. The lower part of slide 2 is equipped with drain port 21, is equipped with the drain check valve in the drain port 21, and when slide 2 slided right, the heat conduction liquid in extrusion drain chamber 12 for the pressure increase in drain chamber 12, the drain valve opens, and then leads the heat conduction liquid in drain chamber 12 into in the heating chamber 11.
A push rod 22 is fixed on the right side of the sliding plate 2, the push rod 22 penetrates through the right end face of the liquid storage tank 1, and the push rod 22 is connected with the liquid storage tank 1 in a transverse sliding mode. Heating rod 3 is still equipped with in the heating chamber 11, heating rod 3 include the installation department and with the heating portion of installation department sub-unit connection, the installation department runs through the top of liquid reserve tank 1, and installation department liquid reserve tank 1 rotates the connection. The heating unit is located in the heating chamber 11, and a plurality of stirring blades 31 are provided on the heating unit. The top of the heating part is communicated with a conducting wire, the conducting wire is embedded in the mounting part, and the other end of the conducting wire is electrically connected with a power supply.
The specific implementation process is as follows:
when the hot pressing is not performed, the heat conduction liquid is not present in the heating channel 4, and the heat conduction liquid is located in the heating cavity 11 and the liquid guide cavity 12. When hot pressing by the hot pressing block 6 is needed, the heating rod 3 is started, and the heat-conducting liquid in the heating cavity 11 is heated by the heating rod 3. After the heat conduction liquid in the heating chamber 11 is heated, the push rod 22 is pushed leftwards, so that the push rod 22 drives the sliding plate 2 to slide leftwards, the heat conduction liquid in the heating chamber 11 is extruded, the heat conduction liquid enters the heating channel 4 through the liquid inlet end, the hot pressing block 6 is uniformly heated, and the temperature of each part of the heat sealing surface of the hot pressing block 6 is uniform.
And then starting a driving piece of the heat sealing machine, and driving the hot-pressing block 6 to move downwards by using the driving piece to complete the heat sealing of the packaging bag. In the process of heat sealing, the push rod 22 is slid leftwards, so that the push rod 22 drives the sliding plate 2 to slide leftwards, the heat-conducting liquid in the liquid guide cavity 12 is guided into the heating cavity 11 through the liquid guide port 21, and the heat-conducting liquid is heated through the heating rod 3.
When the heated heat-conducting liquid enters the heating channel 4 to uniformly heat the hot pressing block 6, the heat exchange can be carried out with the hot pressing block 6, and then the temperature of the heat-conducting liquid is reduced. After the temperature of the heat-conducting liquid in the heating channel 4 is reduced, the push rod 22 is pushed to slide leftwards again, the heated heat-conducting liquid is guided into the heating channel 4, at the moment, the pressure in the liquid guide cavity 12 is reduced, therefore, the heat-conducting liquid in the heating channel 4 is sucked into the liquid guide cavity 12 through the liquid outlet end of the heating channel 4 to be stored, the heat-conducting liquid in the heating channel 4 is convenient to replace, the heating effect on the hot pressing block 6 is good, and the constant-temperature hot pressing of the hot pressing block 6 can be realized.
Example 2:
The first rack 51 has its tooth surface facing left and the second rack 52 has its tooth surface facing up, so that the transfer gear 53 is located in the second quadrant.
The left push rod 22 is located at the front side of the heating rod 3, and therefore the heating rod 3 does not interfere with the left-right sliding of the push rod 22 in the process of the left-right sliding of the push rod 22.
The specific implementation process is as follows:
when the hot air blower is used for heat sealing of the packaging bag, the driving part drives the hot pressing block 6 to move downwards, so that the first rack 51 is driven to move downwards, the transmission gear 53 is driven to rotate, the second rack 52 is driven to move leftwards, the push rod 22 and the sliding plate 2 are driven to move leftwards, and then the heat conduction liquid is added into the heating channel 4. The uniform heating of the hot-pressing block 6 by the heat-conducting liquid can ensure that the temperature of each part of the heat-sealing surface of the hot-pressing block 6 is the same. And in the process, the pressure in the liquid guide cavity 12 is reduced, so that the heat conduction liquid with lower temperature in the heating channel 4 is guided into the liquid guide cavity 12 through the liquid outlet end for storage.
After the heat sealing is completed, when the hot pressing block 6 moves upwards, the first rack 51 is driven to move upwards, so that the transmission gear 53 rotates reversely, the second rack 52 drives the push rod 22 and the sliding plate 2 to slide rightwards, heat conducting liquid in the liquid storage box 1 is extruded, the heat conducting liquid enters the heating cavity 11 through the liquid guide port 21 to be heated, and the next hot pressing is conveniently performed. In this process, by providing the two driving portions 5, the slide plate 2 can be slid more smoothly.
For those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the patent and the practicability of the patent.
Claims (10)
1. Constant temperature equipment is used in heat-seal heating, its characterized in that: the heating channel is embedded in the hot-pressing block and comprises a liquid storage tank and a heating channel, the heating channel comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end and the liquid outlet end are both communicated with the liquid storage tank; the liquid storage tank is filled with heat-conducting liquid and is also internally provided with a heating rod.
2. The thermostat device for heat-seal heating according to claim 1, characterized in that: the heating channel is U-shaped.
3. The thermostat device for heat-seal heating according to claim 2, characterized in that: a liquid inlet one-way valve is arranged in the liquid inlet end, and a liquid outlet one-way valve is arranged in the liquid outlet end.
4. The thermostat device for heat-seal heating according to claim 3, characterized in that: the heating rod includes the heating portion of downside and the installation department of upside, and the installation department runs through the top of liquid reserve tank, and the installation department rotates with the liquid reserve tank top to be connected, is equipped with polylith stirring vane on the heating portion.
5. The thermostat device for heat-seal heating according to claim 4, characterized in that: a sliding plate is connected in the liquid storage tank in a transverse sliding manner, the sliding plate divides the liquid storage tank into a heating cavity and a liquid guide cavity, and the heating rod is arranged in the heating cavity; the liquid inlet end of the heating channel is communicated with the heating cavity, and the liquid outlet end of the heating channel is communicated with the liquid guide cavity; a push rod which penetrates through one end of the liquid storage tank and is transversely connected with the liquid storage tank in a sliding manner is fixed on the sliding plate; the sliding plate is provided with a liquid guide port for communicating the heating cavity with the liquid guide cavity, and a liquid guide one-way valve is arranged in the liquid guide port.
6. The thermostat device for heat-seal heating according to claim 5, characterized in that: the liquid guide device further comprises a driving part close to the liquid guide cavity, the driving part comprises a first rack fixed with a driving part of the heat sealing machine and a second rack fixed with a sliding plate, and the driving part further comprises transmission gears meshed with the first rack and the second rack respectively, the first rack faces the liquid guide cavity, and the second rack faces upwards.
7. The thermostat device for heat-seal heating according to claim 6, characterized in that: the driving parts are two and are respectively positioned on two sides of the liquid storage tank, the push rods are also two, and the other push rod is fixed on the other side of the sliding plate.
8. The thermostatic device for heat-seal heating according to claim 7, characterized in that: the liquid storage tank is provided with a pressure relief opening communicated with the heating cavity, and a pressure relief check valve is arranged in the pressure relief opening.
9. The thermostat device for heat-seal heating according to claim 8, characterized in that: the pressure relief port is located at the top of the liquid storage tank.
10. The thermostat device for heat-seal heating according to any one of claims 1 to 9, characterized in that: the side wall of the liquid storage tank is provided with a heat preservation cavity which is vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911559.0U CN212314051U (en) | 2020-05-25 | 2020-05-25 | Constant temperature device for heat-sealing heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911559.0U CN212314051U (en) | 2020-05-25 | 2020-05-25 | Constant temperature device for heat-sealing heating |
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| CN212314051U true CN212314051U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020911559.0U Active CN212314051U (en) | 2020-05-25 | 2020-05-25 | Constant temperature device for heat-sealing heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525811A (en) * | 2021-07-12 | 2021-10-22 | 淄博可恩口腔医院有限公司 | Automatic film pressing temperature adjusting device and automatic film pressing temperature adjusting method for film pressing machine |
-
2020
- 2020-05-25 CN CN202020911559.0U patent/CN212314051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525811A (en) * | 2021-07-12 | 2021-10-22 | 淄博可恩口腔医院有限公司 | Automatic film pressing temperature adjusting device and automatic film pressing temperature adjusting method for film pressing machine |
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