An automatic positioning clamp for a joule heat flash graphene apparatus

Abstract

The application discloses a kind of automatic positioning clamps for joule heat flash evaporation graphene equipment, it is related to graphene preparation technical field, including cross slide rail platform, sliding block, horizontal slide rail platform, clamp, laser positioning mechanism, quartz tube diameter identification system, information processing module and control module;Realize the position positioning of different diameter quartz tube and the function of precise cooperation with electrode.It solves the current equipment low degree of automation, preparation process relies on manual operation, low efficiency, difficult to meet the demand of large-scale production, and the design of existing equipment has limitations in adjusting pipe diameter, cannot adapt to the preparation requirements of graphene materials of different pipe diameter.The cross slide rail mechanism in the application also realizes automation and flexibility, has high flexibility, high stability, high repeat positioning accuracy, easy to operate and other advantages, avoids the problem of poor repeat positioning accuracy caused by multiple switching.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of graphene preparation, and particularly relates to an automatic positioning clamp for a Joule heat flash evaporation graphene device. BACKGROUND

[0002] Graphene is the thinnest and strongest material known in the world [GEIM A K, NOVOSELOV K S. The rise of graphene [J]. Nature Materials, 2007, 6: 183-191. GEIMA K. Graphene: status and prospects [J]. Science, 2009, 324: 1530-1534.]. Graphene materials have unique and excellent performance in optics, electricity, mechanics, chemistry, etc. [ZHU Y, MURALI S, CAI W, et al. Graphene and graphene oxide: synthesis, properties, and applications [J]. Advanced Materials, 2010, 22(35): 3906-3924.], and have broad application prospects in the fields of energy science, materials science, environmental protection and biomedicine [JANEGITZ B C, SILVATA, WONG A, et al. The application of graphene for in vitro and in vivo electrochemical biosensing [J]. Biosensors and Bioelectronics, 2017, 89(Pt 1): 224-233. KUOK F, LIAO C, WAN T, et al. Atmospheric pressure plasma jet processed reduced graphene oxides for supercapacitor application [J]. Journal of Alloys and Compounds, 2017, 692: 558-562]. The technology of flash graphene by Joule heat is a technology that has emerged in recent years [Luong D X, Bets KV, Algozeeb W A, et al. Gram-scale bottom-up flash graphene synthesis [J]. ACS Nano, 2020, 577(7792): 647-651. Stanford M G, Bets KV, Luong D X, et al. Flash graphene morphologies [J]. ACS Nano, 2020, 14(10): 13691-13699.].Compared with traditional tube furnace heating activation technology, the activation method has the advantages of simple activation method, short activation time, low energy consumption, low cost, high final temperature, fast temperature rising and falling speed, and convenient parameter adjustment [Wu Junchen. Influence of metamorphic degree on carbonization effect of flash carbonization of coal [D]. China University of Mining and Technology, 2023.]. Therefore, it shows great potential in the rapid and efficient preparation of graphene materials. The automatic device for Joule heat flash graphene includes a control module (working module), a charging module, an energy storage module, a discharge module, and a measurement module, with functions such as program control, overload protection, and alarm. Although the Joule heat flash technology has certain advantages in the field of graphene preparation, there are still some technical problems with the existing equipment. First, the current equipment has limited automation, and the process of replacing the quartz tube relies on manual operation, which is inefficient and difficult to meet the needs of large-scale production. Second, the design of the existing equipment has limitations in clamping different pipe diameters, which cannot adapt to the requirements of graphene material preparation of different pipe diameters, limiting its application range. The existence of these problems seriously affects the efficiency and flexibility of graphene preparation, and becomes a key obstacle to further improve the practical application value of the technology. SUMMARY

[0003] The purpose of the present application is to provide an automatic positioning clamp for Joule heat flash graphene equipment to solve the problems existing in the prior art, which can realize self-adaptive adjustment of 8-30mm diameter quartz tube without disassembling the equipment, and ensure the accurate cooperation of the quartz tube and the electrode through the laser detection element.

[0004] To achieve the above-mentioned purpose, the present application provides the following scheme:

[0005] The present application provides an automatic positioning clamp for Joule heat flash graphene equipment, which comprises a cross slide rail platform, a sliding block, a transverse slide rail platform, a clamp, a laser positioning mechanism, a quartz tube diameter identification system, an information processing module and a control module. The sliding block is provided with two sliding blocks which are oppositely arranged on the cross slide rail platform. The sliding block and the sliding block feeding track arranged on both sides of the cross slide rail platform are connected to realize the adjustment of the longitudinal position. The inner side of the two sliding blocks is oppositely arranged with an electrode. The transverse slide rail platform is transversely arranged on the top of the cross slide rail platform and located between the two sliding blocks. The height of the transverse slide rail platform is controlled by the lifting frame. The clamp is arranged on the top of the transverse slide rail platform. The transverse slide rail platform is internally provided with a clamp feeding track. Each clamp comprises two transversely arranged clamping blocks, and the bottom of the clamping block is connected to the clamp feeding track. The laser positioning mechanism is used for coordinate positioning of the clamp and the electrode with the center of the cross slide rail platform as the reference. The clamp and the electrode are sequentially positioned.

[0006] Preferably, the sliding block and the cross rail platform and the clamping block and the clamp feeding rail are motor-driven linear module structures, and the position adjustment of the sliding block and the clamping block is realized by controlling the motor drive through a control module.

[0007] Preferably, the two sliding blocks are symmetrically arranged.

[0008] Preferably, two electrodes are arranged on the inner side of each sliding block along the transverse direction, and the electrodes on the two sliding blocks are longitudinally opposite to each other.

[0009] Preferably, two groups of clamps are arranged between every two longitudinally opposite electrodes, the two groups of clamps are longitudinally spaced and transversely the same, and a centering reference line is arranged on the clamp feeding rail of the two groups of clamps along the longitudinal direction, which is used for fixing the quartz tube at the center of the clamp feeding rail.

[0010] Preferably, the laser positioning mechanism comprises an X-direction fine positioning mechanism, a Y-direction fine positioning mechanism and a Z-direction fine positioning mechanism; the Z-direction fine positioning mechanism and the X-direction fine positioning mechanism are arranged on the transverse slide rail platform, and the Y-direction fine positioning mechanism is arranged on the sliding block.

[0011] Preferably, the X-direction fine positioning mechanism comprises eight X-direction to-position sensors, which are arranged on the side away from the sliding block of each clamp respectively, and the X-direction to-position sensors are used for detecting whether the position of the clamp is in place.

[0012] Preferably, the Z-direction fine positioning mechanism comprises three Z-direction to-position sensors, two of which are arranged on the edge of the transverse slide rail platform and are longitudinally aligned with the clamps, and the other is arranged at the center of the other edge of the transverse slide rail platform, and the Z-direction to-position sensors are used for detecting whether the position of the transverse slide rail platform is in place and analyzing whether the transverse slide rail platform is horizontal.

[0013] Preferably, the Y-direction fine positioning mechanism comprises two Y-direction to-position sensors, which are arranged on the inner side of the two sliding blocks respectively and are located between the two electrodes, and the two electrodes are symmetrically arranged with the Y-direction fine positioning mechanism as the center.

[0014] Preferably, a horizontal adjustment bolt is further arranged on the two side edges of the transverse slide rail platform.

[0015] The present application has the following technical effects compared with the prior art:

[0016] The present application realizes the position positioning of quartz tubes with different diameters and the precise matching function with electrodes. After the quartz tube is accurately positioned with the clamp and precisely matched with the electrode, the Joule heat flash evaporation reaction is carried out. Thus, the current low degree of automation of the equipment, the preparation process relying on manual operation, the low efficiency and the difficulty in meeting the demand of large-scale production are solved. In addition, the cross slide mechanism provided by the present application realizes automation, and realizes flexibility through modular design and position sensors, has the advantages of high flexibility, high stability, high repeatability, convenient operation and the like, and avoids the problem of poor repeatability caused by repeated switching. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0018] Fig. 1 It is a perspective view of the automatic positioning clamp for the Joule heat flash evaporation graphene equipment in the present application.

[0019] Fig. 2 It is a top view of the automatic positioning clamp for the Joule heat flash evaporation graphene equipment in the present application.

[0020] In the figure: 1, cross slide mechanism; 2, sliding block; 3, electrode; 4, clamp; 5, lifting platform; 6, clamp feeding track; 7, sliding block feeding track; 8, centering reference line; 9, X-direction to-position sensor; 10, Y-direction to-position sensor; 11, Z-direction to-position sensor; 12, transverse slide rail platform. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0022] The purpose of the present application is to provide an automatic positioning clamp for Joule heat flash evaporation graphene equipment to solve the problems existing in the prior art.

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in combination with the drawings and specific embodiments.

[0024] The automatic positioning fixture used in the Joule flash graphene evaporation equipment in this embodiment, such as... Figs. 1-2 As shown, the system includes a cross slide rail platform, slider 2, transverse slide rail platform 12, clamp 4, laser positioning mechanism, quartz tube diameter recognition system, information processing module, and control module. Two sliders 2 are arranged opposite each other on the cross slide rail platform. The sliders 2 are slidably connected to slider feed rails 7 on both sides of the cross slide rail platform to adjust their longitudinal position. Electrodes 3 are arranged opposite each other on the inner sides of the two sliders 2. The transverse slide rail platform 12 is arranged transversely at the top of the cross slide rail platform and between the two sliders 2. The height of the transverse slide rail platform 12 is controlled by a lifting frame. The clamp 4 is located at the top of the transverse slide rail platform 12. A clamp feed rail 6 is arranged transversely inside the transverse slide rail platform 12. Each clamp 4 includes two clamping blocks arranged transversely opposite each other, with the bottom of the clamping blocks slidably connected to the clamp feed rail 6. The laser positioning mechanism uses the center of the cross slide rail platform as a reference to perform coordinate positioning of the clamp 4 and the electrodes 3, performing coordinate positioning of the clamp 4 and the electrodes 3 sequentially.

[0025] In this specific embodiment, the slider 2 and the cross slide rail platform, as well as the clamping block and the fixture feed rail 6, are all linear module structures driven by motors. The position adjustment of the slider 2 and the clamping block is achieved by controlling the motor drive through the control module.

[0026] In this specific embodiment, the two sliders 2 are symmetrically arranged, and two electrodes 3 are arranged on the inner side of each slider 2 along the horizontal direction, and the electrodes 3 on the two sliders 2 are opposite each other in the longitudinal direction.

[0027] In this specific embodiment, two sets of clamps 4 are provided between every two longitudinally opposite electrodes 3. The two sets of clamps 4 are longitudinally spaced and laterally identical. A centering reference line 8 is provided along the longitudinal direction on the clamp feed rail 6 of the two sets of clamps 4. The centering reference line 8 is used by the clamps 4 to fix the quartz tube at the center of the clamp feed rail 6.

[0028] In this specific embodiment, the laser positioning mechanism includes an X-axis fine positioning mechanism, a Y-axis fine positioning mechanism, and a Z-axis fine positioning mechanism; the Z-axis fine positioning mechanism and the X-axis fine positioning mechanism are disposed on the transverse slide rail platform 12, and the Y-axis fine positioning mechanism is disposed on the slider 2.

[0029] In this specific embodiment, the X-axis precision positioning mechanism includes eight X-axis positioning sensors 9, which are respectively disposed on the side of each clamp 4 away from the slider 2. The X-axis positioning sensors 9 are used to detect whether the clamp 4 is in position.

[0030] In the embodiment, the Z-direction fine positioning mechanism includes three Z-direction positioning sensors, two of which are arranged at the edges of the lateral slide rail platform 12 and are aligned with the clamp 4, and the other Z-direction positioning sensor 11 is arranged at the center of the other edge of the lateral slide rail platform 12, which is used to detect whether the position of the lateral slide rail platform 12 is in place and analyze whether the lateral slide rail platform 12 is horizontal.

[0031] In the embodiment, the Y-direction fine positioning mechanism includes two Y-direction positioning sensors 10, which are arranged at the inner sides of the two sliders 2 and are located between the two electrodes 3, and the two electrodes 3 are symmetrically centered on the Y-direction fine positioning mechanism.

[0032] In the embodiment, horizontal adjustment bolts are arranged at the edges of the lateral slide rail platform 12 to adjust the levelness of the lateral slide rail platform 12.

[0033] The automatic positioning clamp 4 in the Joule heat flash graphene device in the embodiment has the following working process:

[0034] The mechanical arm gripper transports the assembled quartz tube to the top of the cross slide rail mechanism 1, identifies the diameter of the quartz tube through the quartz tube diameter identification system, and transmits the information to the control module through the information processing module, adjusts the positions of the clamp 4 and the lifting platform 5, and the laser precise positioning structure first positions the slide rail platform through the Z-direction positioning sensor 11, then positions the quartz tube through the X-direction positioning sensor 9, the slider 2 starts to feed, and then the laser precise positioning structure positions the electrode 3 through the Y-direction positioning sensor 10. The electrode 3 and the quartz tube are precisely matched. Start the reaction. Realize the whole assembly and matching process.

[0035] The specific examples in the application are used to illustrate the principles and implementation methods of the application, and the above examples are only used to help understand the method and core idea of the application; meanwhile, for those skilled in the art, according to the idea of the application, the specific implementation methods and application scope will be changed. In view of the above, the content of the specification should not be understood as a limitation of the application.

Claims

1. An automatic positioning fixture for a joule heat flash graphene apparatus, characterized by: The utility model provides a kind of quartz tube fixing device, including cross-rail platform, slider, transverse slide rail platform, clamp, laser positioning mechanism, quartz tube diameter identification system, information processing module and control module;Two sliders are provided and oppositely arranged on the cross-rail platform, the slider is slidably connected with the slider feed rail arranged on the both sides of the cross-rail platform to realize the adjustment of longitudinal position, the inner side of two sliders is oppositely arranged with electrode, the transverse slide rail platform is transversely arranged on the top of the cross-rail platform and located between two sliders, the height of the transverse slide rail platform is controlled by lifting frame, the clamp is arranged on the top of the transverse slide rail platform, the transverse slide rail platform is transversely arranged with clamp feed rail inside, each clamp includes two clamping blocks oppositely arranged transversely, and the bottom of the clamping block is slidably connected on the clamp feed rail;The laser positioning mechanism is used for coordinate positioning of the clamp and electrode with the center of cross-rail platform as reference, and the clamp and electrode are sequentially coordinate positioned; The inner side of each slider is transversely provided with two electrodes, and the electrodes on the two sliders are longitudinally oppositely arranged;Two groups of clamps are arranged between every two longitudinally oppositely arranged electrodes, and the two groups of clamps are longitudinally spaced and transversely identical, and a centering reference line is longitudinally arranged on the clamp feed rail of the two groups of clamps, which is used for fixing the quartz tube in the center of the clamp feed rail by the clamp; The laser positioning mechanism includes X-precision positioning mechanism, Y-precision positioning mechanism and Z-precision positioning mechanism;The Z-precision positioning mechanism and the X-precision positioning mechanism are arranged on the transverse slide rail platform, and the Y-precision positioning mechanism is arranged on the slider;The X-precision positioning mechanism includes eight X-positioning sensors, which are respectively arranged on the side of each clamp away from the slider, and the X-positioning sensor is used for detecting whether the position of the clamp is in place; The Z-precision positioning mechanism includes three Z-positioning sensors, two of which are arranged on the edge of the transverse slide rail platform and longitudinally aligned with the clamp, and the other Z-positioning sensor is arranged at the center of the other edge of the transverse slide rail platform, the Z-positioning sensor is used for detecting whether the position of the transverse slide rail platform is in place and analyzing whether the transverse slide rail platform is horizontal;The Y-precision positioning mechanism includes two Y-positioning sensors, which are respectively arranged on the inner side of two sliders and located between two electrodes, and two electrodes are symmetrically arranged with the Y-precision positioning mechanism as center.

2. The automatic positioning clamp for a joule heat flash evaporation graphene apparatus according to claim 1, characterized in that: The slider, the cross-rail platform, the clamping block and the clamp feed rail are all motor-driven linear module structures, and the position adjustment of the slider and the clamping block is realized by controlling the motor drive through the control module.

3. The automatic positioning clamp for a joule heat flash evaporation graphene apparatus according to claim 1, characterized in that: Two sliders are symmetrically arranged.

4. The automatic positioning clamp for a joule heat flash evaporation graphene apparatus of claim 1, wherein: It also includes a horizontal adjustment bolt, which is arranged on the two side edges of the transverse slide rail platform.

Images