CN220646169U - Constant temperature mechanism for metering pump - Google Patents
Constant temperature mechanism for metering pump Download PDFInfo
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- CN220646169U CN220646169U CN202321581309.5U CN202321581309U CN220646169U CN 220646169 U CN220646169 U CN 220646169U CN 202321581309 U CN202321581309 U CN 202321581309U CN 220646169 U CN220646169 U CN 220646169U
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- metering pump
- heat conducting
- pipes
- cylinder body
- heat conduction
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- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of mechanical equipment manufacturing, in particular to a constant temperature mechanism for a metering pump, which comprises a cylinder, a heat conducting pipe and a heating device; the cylinder body is of a hollow structure, a first accommodating cavity is formed in the cylinder body and used for accommodating the metering pump, the inner wall surface of the first accommodating cavity forms a heat conducting surface, and the heat conducting surface is used for being attached to the periphery of the metering pump; the heat conducting pipes are of hollow structures, a second accommodating cavity is formed in the heat conducting pipes, a plurality of heat conducting pipes are arranged, and one ends of the plurality of heat conducting pipes are connected to the upper end face of the cylinder; the heating devices are arranged in a plurality of second accommodating cavities, and the heating devices are respectively located in the second accommodating cavities. The problem of the measuring pump when carrying liquid raw materials, the bulk temperature of measuring pump is inhomogeneous, influences the conveying effect, reduces work efficiency to and the measuring pump damages easily is solved.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment manufacturing, in particular to a constant temperature mechanism for a metering pump.
Background
The metering pump is a special volumetric pump which can meet the requirements of various strict process flows, the flow rate can be adjusted steplessly within the range of 0-100%, the metering pump is used for conveying liquid, especially corrosive liquid, and is also called a quantitative pump or a proportional pump, the metering pump belongs to a reciprocating volumetric pump and is used for accurate metering, and the stability accuracy of the metering pump is required to be not more than +/-1%. With the continuous development of the modern industry towards automatic operation and remote automatic control, the metering pump has the advantages of strong matching property and wide adaptability to medium liquid.
At present, polyethylene particles are adopted as raw materials in the production process of non-woven fabrics, the raw materials are subjected to high-temperature melt extrusion through a screw extruder, liquid raw materials are extruded through a metering pump according to the specification of the required non-woven fabrics, and then are subjected to spinning through a die head after passing through a filter to form fibers, and the fibers are cooled on a net former to form net and are shaped into cloth. The metering pump is an indispensable device, the temperature of the pump core can be increased due to the temperature influence of the liquid raw material, the overall temperature of the metering pump can be uneven due to the temperature increase of the pump core, the conveying effect is influenced, the metering pump is easy to damage, and the working efficiency and the service life of the metering pump are reduced.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a constant temperature mechanism for a metering pump, which solves the problems that when the metering pump is used for conveying liquid raw materials, the overall temperature of the metering pump is uneven, the conveying effect is affected, the working efficiency is reduced and the metering pump is easy to damage.
To achieve the purpose, the utility model adopts the following technical scheme:
a constant temperature mechanism for a metering pump comprises a cylinder, a heat conducting pipe and a heating device;
the cylinder body is of a hollow structure, a first accommodating cavity is formed in the cylinder body and used for accommodating the metering pump, the inner wall surface of the first accommodating cavity forms a heat conducting surface, and the heat conducting surface is used for being attached to the periphery of the metering pump;
the heat conducting pipes are of hollow structures, a second accommodating cavity is formed in the heat conducting pipes, a plurality of heat conducting pipes are arranged, and one ends of the plurality of heat conducting pipes are connected to the upper end face of the cylinder;
the heating devices are arranged in a plurality of second accommodating cavities, and the heating devices are respectively located in the second accommodating cavities.
Preferably, the heat conducting pipes are vertically arranged and uniformly distributed on the upper end face of the cylinder.
Preferably, the periphery of one end of a plurality of heat conduction pipes is provided with a thread section respectively, the upper end face of the cylinder body is provided with a plurality of threaded holes matched with the thread section, and a plurality of heat conduction pipes are in threaded connection with the cylinder body respectively.
Preferably, the heating device is a heating rod, and the heating rod is connected with an external power supply through an electric wire.
Further, during installation, one end, far away from the thread sections, of the plurality of heat conducting pipes is located above the ground.
Further, the device also comprises at least two temperature sensors, wherein the at least two temperature sensors are respectively arranged at the upper end and the lower end of the barrel body, and the at least two temperature sensors and the heating device are respectively electrically connected with an external controller.
Preferably, the cylinder and the heat conducting pipe are made of aluminum alloy.
Further, the wall thickness of the cylinder is 18-22 mm.
The technical scheme provided by the utility model can comprise the following beneficial effects:
the cylinder body through hollow structure is directly sleeved on the periphery of the metering pump, then the heating device is respectively placed in the second accommodating cavities of the plurality of heat conduction pipes, the heating device heats the heat conduction pipes, the heat conduction pipes are subjected to temperature compensation through the heating device due to the fact that the metering pump has uneven overall temperature during operation, one end of the heat conduction pipes is connected with the upper end face of the cylinder body, heat of the heat conduction pipes is transferred to the cylinder body through a heat transfer mode, the heat conduction surface of the cylinder body is subjected to heat transfer through the metering pump which is in contact with the heat conduction surface, the whole temperature of the metering pump is uniform due to the fact that the heat conduction surface is in full contact with the periphery of the metering pump, meanwhile, the heat after the heat transfer is constant due to the fact that the heating device is controlled by the external controller, the metering pump keeps consistent with the temperature of liquid raw materials during operation and is in a constant temperature state, the problem that the temperature of the pump core of the metering pump is too high and is far away from the pump core is low cannot occur, the structure is simple, the use is convenient, and the production quality and efficiency are improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a cylinder according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a heat pipe according to an embodiment of the present utility model.
Wherein: the heat conduction device comprises a cylinder body 1, a first accommodating cavity 11, a heat conduction surface 111, a threaded hole 12, a heat conduction pipe 2, a second accommodating cavity 21 and a threaded section 22.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following is a description of the technical solution of the present utility model with reference to fig. 1 to 3 and by means of a specific embodiment.
A constant temperature mechanism for a metering pump comprises a cylinder body 1, a heat conducting pipe 2 and a heating device;
the cylinder body 1 is of a hollow structure, a first accommodating cavity 11 is formed in the cylinder body 1, the first accommodating cavity 11 is used for accommodating a metering pump, the inner wall surface of the first accommodating cavity 11 is provided with a heat conducting surface 111, and the heat conducting surface 111 is used for being attached to the periphery of the metering pump;
the heat conducting pipes 2 are of hollow structures, a second accommodating cavity 21 is formed in the heat conducting pipes 2, a plurality of heat conducting pipes 2 are arranged, and one ends of the plurality of heat conducting pipes 2 are connected to the upper end face of the cylinder body 1;
the heating devices are arranged in a plurality of second accommodating cavities 21, and the heating devices are respectively arranged in the second accommodating cavities.
At present, polyethylene particles are adopted as raw materials in the production process of non-woven fabrics, the raw materials are subjected to high-temperature melt extrusion through a screw extruder, liquid raw materials are extruded through a metering pump according to the specification of the required non-woven fabrics, and then are subjected to spinning through a die head after passing through a filter to form fibers, and the fibers are cooled on a net former to form net and are shaped into cloth. The metering pump is an indispensable device, the temperature at the pump core is increased due to the temperature influence of the liquid raw material, the overall temperature of the metering pump is uneven due to the temperature increase of the pump core, the conveying effect is influenced, the metering pump is easy to damage, and the working efficiency and the service life of the metering pump are reduced, so that the constant temperature mechanism for the metering pump is provided, the metering pump is placed in the first accommodating cavity 11 of the cylinder body 1, the inner wall surface of the first accommodating cavity 11 is provided with the heat conducting surface 111, the heat conducting surface 111 is attached to the periphery of the metering pump, and the cylinder body 1 with a hollow structure can be directly sleeved on the periphery of the metering pump when the metering pump is installed, so that the constant temperature mechanism is simple in structure and convenient to install; then place heating device in the second of a plurality of heat conduction pipe 2 holds chamber 21 respectively, heating device heats heat conduction pipe 2, because of the circumstances that the measuring pump appears whole temperature inequality when the operation, carries out temperature compensation to heat conduction pipe 2 through heating device, the one end of heat conduction pipe 2 with the up end of barrel 1 is connected, and the heat of heat conduction pipe 2 gives barrel 1 transfer heat through the heat conduction face 111 of heat conduction pipe 1 carries out heat transfer to the measuring pump that contacts with heat conduction face 111, because of heat conduction face 111 and measuring pump's periphery fully contact, then can make the holistic temperature of measuring pump even through the mode of heat transfer, simultaneously make the heat after the heat transfer invariable through external controller control heating device, then the measuring pump keeps the temperature unanimity with the liquid raw materials and be in constant temperature state when the operation, can not appear the pump core department of measuring pump temperature too high and keep away from the lower problem of pump core, improves measuring pump's life to improve production quality and efficiency.
In an alternative embodiment, the plurality of heat pipes 2 are vertically disposed and uniformly arranged on the upper end surface of the cylinder 1.
Further, the heat pipes 2 are vertically arranged on the upper end face of the cylinder body 1, so that the heat pipes 2 do not occupy too large space, and the heat transfer to the cylinder body 1 is more uniform due to uniform arrangement of the heat pipes 2, and the overall temperature uniformity of the metering pump is more favorably regulated.
In an alternative embodiment, the peripheries of one ends of the heat-conducting pipes 2 are respectively provided with a thread section 22, the upper end surface of the cylinder 1 is provided with a plurality of threaded holes 12 matched with the thread sections 22, and the heat-conducting pipes 2 are respectively in threaded connection with the cylinder 1.
Illustratively, the thread section 22 is arranged at the periphery of one end of the heat conducting tube 2, the threaded holes 12 matched with the thread section 22 are arranged at the upper end face of the cylinder body 1, and the heat conducting tube 2 is installed on the cylinder body 1 and can be screwed in through threaded matching, so that the heat conducting tube is convenient and quick to assemble and disassemble.
Preferably, the heating device is a heating rod, and the heating rod is connected with an external power supply through an electric wire.
Illustratively, the heating rod is placed in the second accommodating cavity 21 of the heat conducting pipe 2 to heat the heat conducting pipe 2, so that the device is simple and convenient to operate.
In an alternative embodiment, the ends of the heat pipes 2 remote from the thread segments 22 are located above the ground when installed.
Further, the metering pump for producing the non-woven fabrics is installed underground to extrude the liquid raw materials, one ends of the heat conducting pipes 2 far away from the thread sections 22 are located above the ground, so that the heating rods are conveniently placed in the heat conducting pipes 2, the electric wires of the heating rods located underground are protected, and meanwhile, the heating rods are conveniently inspected and replaced.
In an alternative embodiment, the device further comprises at least two temperature sensors, wherein the at least two temperature sensors are respectively arranged at the upper end and the lower end of the barrel body 1, and the at least two temperature sensors and the heating device are respectively electrically connected with an external controller.
Two temperature sensors are respectively arranged at the upper end and the lower end of the cylinder body 1, firstly, the temperature of the cylinder body 1 can be monitored, secondly, the two temperature sensors and the heating device are respectively and electrically connected with an external controller, the heating device can be controlled through temperature numerical feedback of the two temperature sensors by the external controller, when deviation values generated by the temperature numerical values of the two temperature sensors are not in a set range, the heating device is used for heating to ensure that the temperature deviation values are in the set range, and when the temperature numerical values of the two temperature sensors exceed the set temperature, the controller controls the heating device to stop heating, so that the constant temperature of the metering pump is ensured, and the effect that the whole temperature of the metering pump is uniform is better.
Preferably, the cylinder 1 and the heat pipe 2 are made of aluminum alloy.
Understandably, because the aluminum alloy has good heat conducting property and low purchase cost, the aluminum alloy is selected to manufacture the cylinder body 1 and the heat conducting pipe 2, so that the heat transfer efficiency can be improved, the production cost can be reduced, and the structure is stable and durable.
In an alternative embodiment, the wall thickness of the cylinder 1 is 18-22 mm, and the wall thickness dimension in the range of 18-22 mm is set so that the heat transfer effect is better.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. A constant temperature mechanism for measuring pump, its characterized in that: comprises a cylinder body, a heat conduction pipe and a heating device;
the cylinder body is of a hollow structure, a first accommodating cavity is formed in the cylinder body and used for accommodating the metering pump, the inner wall surface of the first accommodating cavity forms a heat conducting surface, and the heat conducting surface is used for being attached to the periphery of the metering pump;
the heat conducting pipes are of hollow structures, a second accommodating cavity is formed in the heat conducting pipes, a plurality of heat conducting pipes are arranged, and one ends of the plurality of heat conducting pipes are connected to the upper end face of the cylinder;
the heating devices are arranged in a plurality of second accommodating cavities, and the heating devices are respectively located in the second accommodating cavities.
2. A thermostatic mechanism for a metering pump as claimed in claim 1 wherein: the heat conduction pipes are vertically arranged and uniformly distributed on the upper end face of the cylinder body.
3. A thermostatic mechanism for a metering pump as claimed in claim 2 wherein: the periphery of one end of a plurality of heat conduction pipes is equipped with the screw thread section respectively, the up end of barrel offer a plurality of with screw thread section assorted screw hole, a plurality of the heat conduction pipes respectively with barrel threaded connection.
4. A thermostatic mechanism for a metering pump as claimed in claim 3 wherein: the heating device is a heating rod, and the heating rod is connected with an external power supply through an electric wire.
5. A thermostatic mechanism for a metering pump as claimed in claim 4 wherein: when in installation, one end of the plurality of heat conduction pipes, which is far away from the thread section, is positioned above the ground.
6. A thermostatic mechanism for a metering pump as claimed in claim 1 wherein: the device also comprises at least two temperature sensors, wherein the at least two temperature sensors are respectively arranged at the upper end and the lower end of the barrel body, and the at least two temperature sensors and the heating device are respectively electrically connected with an external controller.
7. A thermostatic mechanism for a metering pump as claimed in claim 1 wherein: the cylinder body and the heat conduction pipe are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321581309.5U CN220646169U (en) | 2023-06-20 | 2023-06-20 | Constant temperature mechanism for metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321581309.5U CN220646169U (en) | 2023-06-20 | 2023-06-20 | Constant temperature mechanism for metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646169U true CN220646169U (en) | 2024-03-22 |
Family
ID=90268917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321581309.5U Active CN220646169U (en) | 2023-06-20 | 2023-06-20 | Constant temperature mechanism for metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646169U (en) |
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2023
- 2023-06-20 CN CN202321581309.5U patent/CN220646169U/en active Active
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