Guide mechanism for graphene heating wire to penetrate through pipe

Abstract

The utility model relates to the field of graphene heating tubes, in particular to a guiding mechanism for a graphene heating wire to penetrate through a tube, which comprises a guiding tube, one end of the guiding tube is arranged on a fixed support, the other end of the guiding tube is arranged on a movable support, and a clamping portion is arranged at the end of the guiding tube. The placing frame is used for clamping the hollow pipe, and the hollow pipe can be arranged outside the guide pipe in a sleeving mode through movement of the placing frame; when the placing frame clamps the hollow pipe to move towards the direction of the guide pipe, the movable support moves towards the same direction along with the placing frame. After the scheme is adopted, the automatic pipe penetrating of the graphene heating wire can be realized, so that the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of graphene heating tubes, and particularly refers to a guiding mechanism for threading graphene heating wires through tubes. Background Art

[0002] Graphene is a two-dimensional material composed of a single layer of carbon atoms, with extremely high thermal conductivity and excellent electrical conductivity. When powered on, the free electrons in graphene move irregularly under the action of an electric current, a phenomenon known as Brownian motion. In this process, the collisions between electrons and the interactions between electrons and carbon atoms generate heat, which is produced by the mutual collisions and frictions of carbon atoms in the resistance layer.

[0003] The electrothermal conversion efficiency of graphene heating tubes is higher than that of commonly used carbon fiber heating tubes at present. Therefore, more and more enterprises are conducting research on related technologies of graphene heating tubes. For example, a graphene film heating tube and its preparation method disclosed in CN117915502A, and a graphene heating film and a heating device including the graphene heating film disclosed in CN208001380U, both of which involve heating wires distributed in a continuous bow shape.

[0004] Due to the fragility of graphene heating wires themselves, in the existing production process, after the graphene heating wires are prepared (with electrodes installed), they are manually threaded into glass tubes / quartz tubes, resulting in low production efficiency.

[0005] Therefore, the inventor of the present case conducted further research and developed a guiding mechanism for threading graphene heating wires through tubes, from which this case originated. Content of the Utility Model

[0006] The purpose of the utility model is to provide a guiding mechanism for threading graphene heating wires through tubes, which can realize the automatic threading of graphene heating wires, thereby improving production efficiency.

[0007] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0008] A guiding mechanism for threading graphene heating wires through tubes includes

[0009] a guiding tube, one end of the guiding tube is arranged on a fixed bracket, the other end is arranged on a movable bracket, and a clamping portion is arranged at the end of the guiding tube;

[0010] a placement rack for clamping a hollow tube, and the hollow tube can be sleeved outside the guiding tube by moving the placement rack;

[0011] When the placement rack clamps the hollow tube and moves towards the guiding tube, the movable bracket moves in the same direction following the placement rack.

[0012] Due to the long length and small aperture of the hollow tube (i.e., the tube body of the heating tube), it is very difficult to directly insert the heating wire into the hollow tube without the aid of external force traction. Therefore, a guiding tube (the clamping part can be used to clamp the heating wire) is provided to traction the heating wire, and the length of the guiding tube needs to be longer than that of the hollow tube. Therefore, the method of moving the hollow tube while keeping the guiding tube stationary is adopted; and due to the entry of the hollow tube, the movable bracket, which was originally one of the support points of the guiding tube, needs to give way.

[0013] Furthermore, a fixed clamp is provided on the placement rack. The fixed clamp includes two clamping positions for positioning the hollow tube.

[0014] Due to the long length of the hollow tube, a fixed clamp with at least two clamping positions can better maintain the stability of the hollow tube.

[0015] Furthermore, the placement rack is driven by a first driving source to move, and the guiding tube and the placement rack are driven by a second driving source to move together.

[0016] First, driven by the first driving source, the hollow tube is sleeved outside the guiding tube, and then, driven by the second driving source, the sleeved guiding tube and the hollow tube are moved together to the heating wire for guiding.

[0017] Furthermore, a guiding block is also included, which is arranged at one end of the hollow tube far from the guiding tube.

[0018] The guiding block is used to assist in supporting the hollow tube and inserting the heating wire.

[0019] Furthermore, pneumatic fingers are arranged at both ends where the hollow tube is located, and one of the pneumatic fingers is connected to the movable bracket.

[0020] The pneumatic fingers are used for both ends of the heating wire.

[0021] Furthermore, the hollow tube is a hollow quartz tube.

[0022] The commonly used material for the graphene heating tube is quartz tube.

[0023] Furthermore, the guiding tube is a steel tube with a hollow structure.

[0024] The guiding tube needs both a certain rigidity and to consider the influence of its own weight.

[0025] Furthermore, the clamping part at the end of the guiding tube is a flexible jaw.

[0026] The flexible jaw is a prior art, and its basic principle is: when air pressure enters the cylinder, the cylinder piston starts to move, and the flexible jaw expands; when the air pressure decreases or disappears, the cylinder piston returns, and the flexible jaw retracts; when clamping the electrode of the heating wire, due to the existence of the flexible part, the stability and safety of the clamping can be ensured.

[0027] Furthermore, both the first driving source and the second driving source are electric cylinders.

[0028] An electric cylinder integrates a servo motor with Lead screw and is designed in an integrated manner Modular product to convert the rotational motion of the servo motor into linear motion.

[0029] Furthermore, a groove is formed in the guiding block, with the middle of the groove being narrower and the two ends having wider openings.

[0030] One end of the opening at each end of the groove is used to mount a hollow tube, and the other end is used to guide the graphene heating wire into the hollow tube.

[0031] After adopting the above scheme, compared with the prior art, the present utility model has the following advantages:

[0032] Through reasonable design, the process of threading the graphene heating wire through the tube realizes automated production, improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of the product after the graphene heating wire is inserted into the quartz tube;

[0034] Figure 2 is a schematic diagram of this embodiment;

[0035] Figure 3 is a schematic diagram with the second electric cylinder removed;

[0036] Figure 4 is a schematic diagram of the heating wire inserted into the quartz tube;

[0037] Figure 5 is Figure 4 a partial enlarged view;

[0038] LABEL DESCRIPTION

[0039] Steel pipe 1, moving bracket 11, fixed bracket 12, flexible jaw 13,

[0040] Quartz tube 2, fixed clamp 21, pneumatic finger 22, guiding block 23, groove 231,

[0041] First electric cylinder 3, second electric cylinder 4,

[0042] Heating wire 5. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0043] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0044] As Figure 1As shown, the graphene heating tube has a structure of an external quartz tube with a graphene heating wire (electrodes at both ends) inside.

[0045] In order to achieve automated production, according to the inventive concept of the present utility model, the following embodiments are given:

[0046] As Figure 2 、 3 shown, a guiding mechanism for threading a graphene heating wire 5 through a tube includes a steel tube 1 for guiding the heating wire 5 to penetrate into the quartz tube 2. A flexible jaw 13 is provided at the end of the steel tube 1 for clamping the heating wire 5. The left and right ends of the steel tube 1 are respectively mounted on a fixed bracket 12 and a moving bracket 11, that is, the steel tube 1 is fixedly clamped by the fixed bracket 12, while the moving bracket 11 can move relative to the steel tube 1 (playing a role of supporting and guiding the steel tube 1). The moving bracket 11 can be driven by a first electric cylinder 3 to move relative to the fixed bracket 12. The fixed bracket 12 and the moving bracket 11 can also be driven by a second electric cylinder 4 to move synchronously.

[0047] The quartz tube 2 can be first sent to the placement rack on the right side of the steel tube 1 through other transfer devices. A fixed clamp 21 is provided at the top of the placement rack. The fixed clamp 21 includes two clamping positions on the left and right for positioning the hollow tube. At the right end of the quartz tube 2, a guiding block 23 for auxiliary support is also provided; as Figure 2 、 4 、5 shown, the guiding block 23 can be linked with the fixed clamp 21 through a horizontal bracket. A groove 231 is formed on the upper surface of the guiding block 23. The middle of the groove 231 is narrower and the two ends are wider. The left side is used to mount the port of the quartz tube 2, and the right side can introduce the graphene heating wire drawn in through a gradually converging structure into the port of the quartz tube 2.

[0048] At the same time, pneumatic fingers 22 are preset at both ends of the quartz tube 2. The pneumatic finger 22 on the left is used to grasp the electrodes at both ends of the heating wire 5 after the threading is completed, and the pneumatic finger 22 on the right is set to be driven by a separate electric cylinder and is used to cooperate with the flexible jaw 13 to introduce the heating wire 5 into the quartz tube 2.

[0049] The threading process can be summarized as follows:

[0050] The steel tube 1 is in the initial position on the left. The quartz tube 2 is first transported to the fixed clamp 21 of the placement rack for fixation, and then the first electric cylinder 3 starts to work, moving the placement rack to the left. At this time, the pneumatic finger 22 on the left is in the open state, and the moving bracket 11 moves to the left together with the pneumatic finger 22 on the left, and the quartz tube 2 is completely sleeved outside the steel tube 1 from right to left.

[0051] At this time, the second electric cylinder 4 starts, moving components such as the first electric cylinder 3, moving bracket 11, fixed bracket 12, steel pipe 1, quartz tube 2, fixed clamp 21, and pneumatic finger 22 on the left side arranged thereon to the right together. That is to say, mainly move the steel pipe 1 and quartz tube 2 that have been threaded through to the position where the heating wire 5 is located. Clamp the left end of the heating wire 5 through the flexible claw 13 at the end of the steel pipe 1, and clamp the right end of the heating wire 5 through the pneumatic finger 22 on the right side. Then the steel pipe 1 withdraws from the quartz tube 2, and the heating wire 5 is pulled into the quartz tube 2. At this time, the pneumatic finger 22 on the left side clamps the right end of the heating wire 5, and the flexible claw 13 of the steel pipe 1 is loosened to complete the pulling.

[0052] The above are only specific embodiments of the present invention. At the same time, words such as "upper, lower, left, right, middle" involved in the present invention are only for reference and are not absolutely limited. Any non-substantive modification using the present invention shall belong to the act of infringing the protection scope of the present invention.

Claims

1. A graphene heating wire pipe guiding mechanism, characterized in that: include A guide tube, one end of which is arranged on the fixed bracket, and the other end of which is arranged on the movable bracket, and a clamping portion is arranged at the end of the guide tube; A placing rack is used to clamp the hollow tube, and the hollow tube can be sleeved outside the guide tube by moving the placing rack; When the placement rack clamps the hollow tube and moves toward the guide tube, the movable bracket moves in the same direction following the placement rack.

2. The guide mechanism for guiding the graphene heating wire through a tube according to claim 1, characterized in that: A fixing clamp is arranged on the placement rack, and the fixing clamp includes two clamping positions for positioning the hollow tube.

3. The graphene heating wire pipe threading guide mechanism according to claim 1, characterized in that: The placement rack is driven by a first driving source to move, and the guide tube and the placement rack are driven by a second driving source to move together.

4. The guide mechanism for guiding the graphene heating wire through a tube according to claim 1, characterized in that: It also includes a guide block, which is arranged at one end of the hollow tube away from the guide tube.

5. The graphene heating wire pipe threading guide mechanism according to claim 1, characterized in that: Pneumatic fingers are respectively arranged at the two ends of the hollow tube, and one of the pneumatic fingers is connected to the movable bracket.

6. The graphene heating wire pipe threading guide mechanism according to claim 1, characterized in that: The hollow tube is a hollow quartz tube.

7. The graphene heating wire pipe threading guide mechanism according to claim 1, characterized in that: The guide pipe is a steel pipe with a hollow structure.

8. The graphene heating wire pipe threading guide mechanism according to claim 1, characterized in that: The clamping portion at the end of the guide tube is a flexible clamping claw.

9. The graphene heating wire pipe threading guide mechanism according to claim 3, characterized in that: The first driving source and the second driving source are both electric cylinders.

10. The graphene heating wire pipe threading guide mechanism according to claim 4, characterized in that: A groove is provided in the guide block, the groove is narrower in the middle and wider at both ends.

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