Temperature acquisition device for edge sealing main shaft of packaging machine

Abstract

According to the packaging machine edge sealing main shaft temperature collecting device, the temperature collecting unit abuts against the edge sealing shaft, the temperature of the edge sealing shaft is collected and monitored in real time, the elastic pressing piece is arranged so that the temperature collecting unit can be in abutting contact with the shaft end face of the edge sealing shaft, good heat conduction is guaranteed, and the service life of the edge sealing main shaft is prolonged. The heat conduction efficiency is improved, temperature detection is more accurate and stable, edge sealing is firmer, the effect is better, and the technical problems that in the prior art, due to the fact that the real-time temperature of each edge sealing shaft cannot be monitored, the temperature is difficult to keep constant during edge sealing, and the edge sealing effect is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of Chinese medicine decoction packaging, in particular to a temperature acquisition device for an edge sealing spindle of a packaging machine. Background Art

[0002] Traditional Chinese medicine has long-lasting efficacy and is inexpensive, and has received attention in recent years. Among various ways of taking it, traditional decoctions are the most effective. In order to cope with the industrialized production of traditional Chinese medicine decoctions, a special packaging device is needed to package the boiled Chinese medicine into small bags for patients to take home and drink directly.

[0003] Chinese patent CN211001985U discloses a Chinese medicine decoction subpackaging device, comprising a frame, a support frame, a motor, two packaging trays arranged on the top of the support frame and a liquid outlet pipe; the upper part of the frame is provided with a support frame, and the support frame is provided with an edge sealing shaft, a bottom sealing shaft and a cutting shaft in order from top to bottom; the edge sealing shaft and the bottom sealing shaft are hollow inside and an electric heating tube is provided in the hollow part; the edge sealing shaft consists of a first edge sealing shaft and a second edge sealing shaft, the first edge sealing shaft and the second edge sealing shaft are linked by gears, have opposite directions and synchronized rotation speeds; the bottom sealing shaft consists of a first bottom sealing shaft and a second bottom sealing shaft, the first bottom sealing shaft and the second bottom sealing shaft are linked by gears, have opposite directions and synchronized rotation speeds; the cutting shaft is provided with a cutter for cutting the packaged medicine bag; each packaging tray is provided with a roll of plastic film; the liquid outlet pipe is arranged just above the bag opening of the packaging bag.

[0004] However, in the existing technical solutions, it is impossible to monitor the real-time temperature of each edge sealing shaft, which makes it difficult to maintain a constant temperature during edge sealing, affecting the edge sealing effect. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and provide a temperature collection device for the edge sealing spindle of a packaging machine. By setting a temperature collection unit in contact with the edge sealing shaft, the temperature of the edge sealing shaft is collected and monitored in real time, and an elastic pressing piece is set to keep the temperature collection unit in close contact with the axial end face of the edge sealing shaft, thereby ensuring good heat conduction, improving heat conduction efficiency, making temperature detection more accurate and stable, edge sealing more firm and effective, and solving the technical problems in the prior art such as being unable to monitor the real-time temperature of each edge sealing shaft, resulting in difficulty in maintaining a constant temperature during edge sealing, affecting the edge sealing effect, etc.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A temperature collection device for an edge-sealing spindle of a packaging machine comprises: an edge-sealing spindle rotatably mounted on a packaging machine frame; and a temperature collection unit, which is arranged in contact with the edge-sealing spindle and collects the temperature of the edge-sealing spindle.

[0008] Preferably, it further comprises: an elastic pressing piece, wherein the temperature collection unit is arranged at the axial end of the edge sealing shaft, and the elastic pressing piece is arranged between the packaging frame and the temperature collection unit to keep the temperature collection unit in close contact with the axial end surface of the edge sealing shaft.

[0009] Preferably, the temperature collection unit and the elastic pressing piece are coaxially sleeved on the edge sealing shaft.

[0010] Preferably, the elastic pressing member is configured as a wave spring.

[0011] Preferably, the temperature collection unit comprises: a metal part, the annular metal part is sleeved on the shaft end of the edge sealing shaft; and a temperature measuring part, the temperature measuring part is arranged in contact with the metal part, and under the action of heat conduction, the temperature measuring part indirectly measures the temperature of the edge sealing shaft via the metal part.

[0012] Preferably, the temperature measuring component is fixedly mounted on the packaging machine frame and extends into the metal component, and the metal component is rotatably arranged relative to the edge sealing shaft.

[0013] Preferably, a temperature measuring hole is recessed on the end surface of the metal piece facing the temperature measuring piece, the working end of the temperature measuring piece extends into the temperature measuring hole, and the temperature measuring hole is filled with thermal silica gel.

[0014] Preferably, the metal part is made of aluminum.

[0015] Preferably, the edge banding shaft comprises: a main shaft section; a resistance section, the resistance section is arranged at the shaft end of the main shaft section and its diameter is larger than the main shaft section; and an end shaft section rotatably mounted on the packaging machine frame, the end shaft section is arranged at the shaft end of the resistance section and its diameter is smaller than the resistance section, and the temperature collection unit is sleeved on the end shaft section and resists the resistance section.

[0016] Preferably, the inner shaft end surface of the metal component is in contact connection with the contact section, and the outer shaft end surface of the metal component is in contact connection with the elastic pressing component.

[0017] Preferably, the edge sealing shaft is hollow inside and a heating rod for heating the edge sealing shaft is provided in the hollow part.

[0018] The beneficial effects of the utility model are:

[0019] (1) The utility model sets a temperature collection unit in contact with the edge banding shaft, and collects and monitors the temperature of the edge banding shaft in real time;

[0020] (2) The utility model provides an elastic pressing piece to keep the temperature collection unit in close contact with the end face of the edge sealing shaft, thereby ensuring good heat conduction, improving heat conduction efficiency, making temperature detection more accurate and stable, ensuring temperature consistency during edge sealing, making edge sealing more firm and reliable, and improving edge sealing quality;

[0021] (3) The metal parts in the present invention are made of metal materials with good wear resistance, such as aluminum. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front cross-sectional view of the overall structure of the utility model;

[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 This is a schematic diagram of the main structure of the utility model (excluding the frame);

[0025] Figure 4 It is a schematic diagram of the structure of the elastic pressing member in the second embodiment. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0028] Embodiment 1

[0029] like Figure 1 As shown, a temperature collection device for an edge-sealing spindle of a packaging machine comprises: an edge-sealing shaft 1, which is rotatably mounted on a packaging machine frame 2; and a temperature collection unit 3, which is arranged in contact with the edge-sealing shaft 1 and collects the temperature of the edge-sealing shaft 1.

[0030] In this embodiment, the temperature collection unit 3 is arranged to contact the edge-sealing shaft 1 , so that the temperature of the edge-sealing shaft 1 is collected and monitored in real time.

[0031] As a preference, Figure 2-3 As shown, it also includes: an elastic pressing piece 4, the temperature collection unit 3 is arranged at the axial end of the edge sealing shaft 1, and the elastic pressing piece 4 is arranged between the packaging frame 2 and the temperature collection unit 3, so that the temperature collection unit 3 maintains a close contact with the axial end surface of the edge sealing shaft 1.

[0032] In this embodiment, an elastic pressing piece 4 is provided to keep the temperature collection unit 3 in close contact with the axial end face of the edge sealing shaft 1, thereby ensuring good heat conduction, improving heat conduction efficiency, making temperature detection more accurate and stable, ensuring temperature consistency during edge sealing, making the edge sealing more firm and reliable, and improving the edge sealing quality.

[0033] Preferably, the temperature collection unit 3 and the elastic pressing member 4 are coaxially sleeved on the edge sealing shaft 1 .

[0034] Preferably, the edge banding shaft 1 includes: a main shaft section 11; a contact section 12, the contact section 12 is arranged at the axial end of the main shaft section 11 and its diameter is larger than the main shaft section 11; and an end shaft section 13 rotatably mounted on the packaging frame 2, the end shaft section 13 is arranged at the axial end of the contact section 12 and its diameter is smaller than the contact section 12, and the temperature collection unit 3 is sleeved on the end shaft section 13 and contacts the contact section 12.

[0035] As a preference, Figure 1 As shown, the edge banding shaft 1 is hollow inside and a heating rod 5 for heating the edge banding shaft 1 is provided in the hollow part.

[0036] Embodiment 2

[0037] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0038] As a preference, Figure 4 As shown, the elastic pressing member 4 is configured as a wave spring.

[0039] Embodiment 3

[0040] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0041] As a preference, Figure 2-3 As shown, the temperature acquisition unit 3 includes: a metal part 31, the annular metal part 31 is sleeved on the shaft end of the edge sealing shaft 1; and a temperature measuring part 32, the temperature measuring part 32 is arranged in contact with the metal part 31, and under the action of heat conduction, the temperature measuring part 32 indirectly measures the temperature of the edge sealing shaft 1 via the metal part 31.

[0042] In this embodiment, after the heating rod 5 heats the edge-sealing shaft 1, the heat is transferred to the metal part 31, and then the temperature of the metal part 31 is measured by the temperature measuring part 32, so as to obtain the real-time temperature of the edge-sealing shaft 1. By setting the elastic pressing part 4, compensation is always provided, so that the metal part 31 always fits tightly against the shaft end of the edge-sealing shaft 1, the contact surface is good, there is no gap between the two end surfaces, and the air ingress is reduced, so as to ensure the stability and accuracy of the temperature measurement of the temperature measuring part 32 on the metal part 31, so that the temperature of the edge-sealing shaft 1 is more constant, the edge sealing is more firm, the effect is better, and the packaging bag will not leak.

[0043] It is worth noting that, if the structure of this embodiment is not adopted, the temperature difference of the edge sealing shaft will exceed 30°. After adopting the structure of this embodiment, the temperature of the edge sealing shaft 1 can be kept constant within 5°.

[0044] Preferably, the inner shaft end surface of the metal component 31 is in contact connection with the contact section 12 , and the outer shaft end surface thereof is in contact connection with the elastic pressing component 4 .

[0045] As a preferred implementation, the temperature measuring element 32 is a thermocouple.

[0046] As a preference, Figure 2 As shown, the temperature measuring component 32 is fixedly mounted on the packaging machine frame 2 and extends into the metal component 31 , and the metal component 31 is rotatably arranged relative to the edge sealing shaft 1 .

[0047] Preferably, a temperature measuring hole 311 is recessed on the end surface of the metal member 31 facing the temperature measuring member 32 , and the working end of the temperature measuring member 32 extends into the temperature measuring hole 311 , and the temperature measuring hole 311 is filled with thermal silica gel.

[0048] Preferably, the metal member 31 is made of aluminum.

[0049] In this embodiment, the metal member 31 is made of a metal material with good wear resistance, such as aluminum.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperature collection device for an edge sealing spindle of a packaging machine, comprising: An edge-sealing shaft (1), the edge-sealing shaft (1) being rotatably mounted on a packaging machine frame (2); It is characterized by further comprising: A temperature collection unit (3), the temperature collection unit (3) being arranged in contact with the edge sealing shaft (1) and collecting the temperature of the edge sealing shaft (1).

2. The temperature collection device for the edge sealing spindle of a packaging machine according to claim 1, characterized in that: Also includes: An elastic pressing member (4), the temperature collection unit (3) being arranged at the shaft end of the edge-sealing shaft (1), and the elastic pressing member (4) being arranged between the packaging machine frame (2) and the temperature collection unit (3), so that the temperature collection unit (3) and the shaft end surface of the edge-sealing shaft (1) are kept in close contact.

3. The temperature collection device for the edge sealing spindle of a packaging machine according to claim 2, characterized in that: The temperature collection unit (3) and the elastic pressing member (4) are sleeved on the edge sealing shaft (1).

4. The temperature collection device for the edge sealing spindle of a packaging machine according to claim 2, characterized in that: The elastic pressing member (4) is configured as a wave spring.

5. A packaging machine edge sealing spindle temperature acquisition device according to any one of claims 1 to 4, characterized in that: The temperature acquisition unit (3) comprises: A metal part (31), wherein the annular metal part (31) is sleeved on the shaft end of the edge sealing shaft (1); and A temperature measuring component (32), the temperature measuring component (32) being arranged in contact with the metal component (31), and under the action of heat conduction, the temperature measuring component (32) indirectly measures the temperature of the edge sealing shaft (1) via the metal component (31).

6. The temperature acquisition device for edge sealing spindle of packaging machine according to claim 5, characterized in that: The temperature measuring component (32) is fixedly mounted on the packaging machine frame (2) and extends into the metal component (31); the metal component (31) is rotatably arranged relative to the edge sealing shaft (1).

7. The temperature acquisition device for edge sealing spindle of packaging machine according to claim 5, characterized in that: A temperature measuring hole (311) is recessed on the end surface of the metal piece (31) facing the temperature measuring piece (32), a working end of the temperature measuring piece (32) extends into the temperature measuring hole (311), and the temperature measuring hole (311) is filled with thermal silica gel.

8. The temperature acquisition device for edge sealing spindle of packaging machine according to claim 5, characterized in that: The metal part (31) is made of aluminum.

9. A packaging machine edge sealing spindle temperature acquisition device according to any one of claims 1 to 4, characterized in that: The edge banding shaft (1) comprises: Spindle segment (11); an abutment section (12), the abutment section (12) being arranged at the axial end of the main shaft section (11) and having a diameter larger than that of the main shaft section (11); and An end shaft section (13), the end shaft section (13) being arranged at the shaft end of the abutting section (12) and having a diameter smaller than that of the abutting section (12), the temperature collection unit (3) being sleeved on the end shaft section (13) and abutting against the abutting section (12).

10. A temperature collection device for edge sealing spindle of a packaging machine according to any one of claims 1 to 4, characterized in that: The edge sealing shaft (1) is hollow inside, and a heating rod (5) for heating the edge sealing shaft (1) is provided in the hollow part.

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