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CN-224215826-U - Low-temperature heat treatment device for preparing hard carbon negative electrode material of sodium ion battery

CN224215826UCN 224215826 UCN224215826 UCN 224215826UCN-224215826-U

Abstract

The utility model discloses a low-temperature heat treatment device for preparing hard carbon negative electrode materials of sodium ion batteries, which comprises a treatment box, wherein the front side of the treatment box is movably connected with a box door, two heating plates which are in mirror symmetry up and down are connected in the treatment box, the two heating plates are provided with a rectangular frame II which is fixedly connected in the treatment box, the front side of the rectangular frame II is provided with a notch, the rear side of the rectangular frame II penetrates through a through groove, the inner sides of the two notches are respectively provided with a groove, two U-shaped clamping plates which are in mirror symmetry up and down are connected between the grooves and the through groove in a telescopic way, and two temperature measuring pieces which are in mirror symmetry up and down are movably connected in the rectangular frame II. According to the utility model, the rectangular frame II is arranged between the two heating plates, the U-shaped clamping plates which are mirror symmetrical up and down are arranged in the rectangular frame II, and the two surfaces of the material are heated at low temperature, so that the heat dissipation area of the material is increased, and the material is heated more uniformly.

Inventors

  • CHEN HONGWEI
  • LI HAIXIA

Assignees

  • 江苏成泰自动化科技有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (7)

  1. 1. The low-temperature heat treatment device for preparing the hard carbon cathode material of the sodium ion battery comprises a treatment box (1), wherein a box door (3) is movably connected to the front side of the treatment box (1), the low-temperature heat treatment device is characterized in that two heating plates (4) which are in mirror symmetry up and down are connected in the treatment box (1), two rectangular frames (6) are arranged in the heating plates (4), the rectangular frames (6) are fixedly connected in the treatment box (1), a notch (12) is formed in the front side of each rectangular frame (6), a through groove (19) is formed in the rear side of each rectangular frame (6), a groove (9) is formed in the inner side of each notch (12), two U-shaped clamping plates (10) which are in mirror symmetry up and down are connected in a telescopic mode together between the grooves (9), and two temperature measuring pieces which are in mirror symmetry up and down are movably connected in each rectangular frame (6).
  2. 2. The low-temperature heat treatment device for preparing the hard carbon cathode material of the sodium ion battery is characterized in that two rectangular frames I (5) which are symmetrical in upper and lower machine boxes are arranged in the treatment box (1), one heating plate (4) is fixed in each rectangular frame I (5), one side top surface of each rectangular frame I (5) penetrates through a threaded hole (7), threads of the two threaded holes (7) are opposite in rotation direction, one screw rod I (8) is connected in the threaded holes (7) in a threaded mode, one end of the screw rod I (8) is connected to the bottom wall of the treatment box (1) in a rotating mode, the other end of the screw rod I is connected with the bottom wall of the treatment box (1) in a penetrating mode in a threaded mode, a driving motor I (2) which is connected with the screw rod I (8) in a transmission mode is vertically fixed to the top surface of the treatment box (1), guide rods I are movably connected in the guide rods in the guide holes in the other side top surface of the rectangular frame I (5) in a threaded mode, and the guide rods are vertically fixed in the treatment box (1).
  3. 3. The low-temperature heat treatment device for preparing hard carbon negative electrode materials of sodium ion batteries according to claim 1, wherein a guide post (21) is vertically fixed on the end face of the U-shaped clamping plate (10), the guide post (21) axially slides to penetrate through the groove (9), an air cylinder (11) is vertically fixed on the end face of the rectangular frame II (6), the output end of the air cylinder (11) is in transmission connection with the tail end of the guide post (21), and a plurality of protruding blocks (20) are fixedly connected on the opposite faces of the two U-shaped clamping plates (10).
  4. 4. The low-temperature heat treatment device for preparing the hard carbon negative electrode material of the sodium ion battery according to claim 1, wherein two sliding grooves (22) which are mirror-symmetrical up and down are vertically formed in the inner wall of the groove (9), a sliding block (23) is connected in each sliding groove (22) in a sliding mode, and the U-shaped clamping plate (10) is fixedly connected to the outer portion of each sliding block (23).
  5. 5. The low-temperature heat treatment device for preparing the hard carbon negative electrode material of the sodium ion battery according to claim 1, wherein the temperature measuring part comprises a driving part fixed outside the U-shaped clamping plate (10), the outside of the driving part is movably connected with a guide block (17), and the end face of the guide block (17) is vertically fixed with a temperature sensor (18).
  6. 6. The low-temperature heat treatment device for preparing hard carbon cathode materials of sodium ion batteries according to claim 5, wherein the driving piece comprises two supporting blocks (13) which are fixed outside the U-shaped clamping plate (10) in a mirror image mode, a driving motor II (16) is horizontally fixed on the side face of one supporting block (13), the output end of the driving motor II (16) is in transmission connection with a screw rod II (14), the screw rod II (14) penetrates through one supporting block (13) in a rotating mode and is connected to the inner side of the other supporting block (13) in a rotating mode, the guide block (17) is in threaded sleeve connection with the outer edge of the screw rod II (14), a guide rod II (15) is horizontally movably connected to the side face of the guide block (17) in a penetrating mode, and the guide rod II (15) is horizontally fixed between the two supporting blocks (13).
  7. 7. The low-temperature heat treatment device for preparing hard carbon negative electrode materials of sodium ion battery according to claim 5, wherein the two temperature sensors (18) face opposite, the bottom surface of each temperature sensor (18) at the upper end is flush with the bottom surface of each lug (20) at the upper end, the top surface of each temperature sensor (18) at the lower end is flush with the top surface of each lug (20) at the lower end, and each lug (20) is made of rubber.

Description

Low-temperature heat treatment device for preparing hard carbon negative electrode material of sodium ion battery Technical Field The utility model relates to the technical field of battery processing, in particular to a low-temperature heat treatment device for preparing a hard carbon negative electrode material of a sodium ion battery. Background The hard carbon negative electrode material is a material taking graphite as a main component, has higher specific capacity and longer cycle life compared with the traditional graphite negative electrode material, and can improve the mechanical property, the tissue structure and the chemical components of the negative electrode material by carrying out low-temperature heat treatment on the hard carbon, and improve the corrosion resistance, the hardness and the toughness as well as the quality, the service life and the conductivity of a battery. The utility model discloses a low-temperature heat treatment device for preparing hard carbon negative electrode materials of sodium ion batteries, which comprises a shell, wherein a rectangular carrying platform is rotatably arranged at the central position inside the shell, a first gear motor for driving the rectangular carrying platform to rotate is arranged on the outer wall of one side of the shell, heating plates are slidably arranged at the top and the bottom of the shell, a gear distance regulating mechanism for driving the heating plates to lift is arranged inside the shell on the outer wall of one side of the heating plate far away from the rectangular carrying platform, a second gear motor for driving one of the gear distance regulating mechanisms to work is arranged on the outer wall of one side of the shell, a power transmission mechanism is arranged at one end of the gear distance regulating mechanism far away from the inner wall of the shell, and a first belt transmission structure for carrying out power connection is arranged between the two power transmission mechanisms. When the hard carbon cathode material is fixed, the material is fixed on the rectangular carrying platform, the heating plates are arranged on the upper side and the lower side of the shell, when the heating plates heat the material at low temperature, the outside of the material can only be heated, the contact surface of the material and the rectangular carrying platform can not be heated by the heating plates, so that the heated area of the material is reduced, and uneven heating of the material is easily caused. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a low-temperature heat treatment device for preparing a hard carbon negative electrode material of a sodium ion battery. In order to achieve the purpose, the low-temperature heat treatment device for preparing the hard carbon negative electrode material of the sodium ion battery comprises a treatment box, wherein the front side of the treatment box is movably connected with a box door, two heating plates which are in mirror symmetry up and down are connected in the treatment box in a lifting manner, two heating plates are provided with a rectangular frame II, the rectangular frame II is fixedly connected in the treatment box, the front side of the rectangular frame II is provided with a notch, the rear side of the rectangular frame II penetrates through a through groove, the inner sides of the two notches are respectively provided with a groove, the grooves and the through groove are connected with two U-shaped clamping plates which are in mirror symmetry up and down in a telescopic manner, and two temperature measuring pieces which are in mirror symmetry up and down are movably connected in the rectangular frame II. According to the technical scheme, two rectangular frames I with upper and lower machine boxes being symmetrical are arranged in the treatment box, one heating plate is fixed in each rectangular frame I, one side top surface of each rectangular frame I penetrates through a threaded hole, threads of the two threaded holes are opposite in rotation direction, two threaded holes are connected with one screw rod I in a threaded mode, one end of the screw rod I is connected to the bottom wall of the treatment box in a rotating mode, the other end of the screw rod I penetrates through the treatment box in a threaded mode, a driving motor I in transmission connection with the screw rod I is vertically fixed to the top surface of the treatment box, guide holes are vertically formed in the top surface of the other side of each rectangular frame I in a penetrating mode, a guide rod I is connected in a threaded mode in a movable mode in a threaded mode in the guide hole in a threaded mode, and the guide rod I is vertically fixed in the treatment box. As further description of the technical scheme, the end face of the U-shaped clamping plate is vertically fixed with a guide post, the guide post axially slides to penetrate throu