SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide a nano needle point batch production device, so that a plurality of nano needle points can be prepared from one metal wire, and batch production is realized.
The embodiment of the application provides a nanometer needle point batch production device which comprises a base, a metal wire clamping mechanism, an electrochemical reaction mechanism and a needle point collecting mechanism, wherein the metal wire clamping mechanism, the electrochemical reaction mechanism and the needle point collecting mechanism are all fixedly arranged on the base,
the metal wire clamping mechanism is used for clamping metal wires which can be communicated with the anode of a power supply,
the electrochemical reaction mechanism is positioned below the metal wire clamping mechanism and comprises at least two motors which are arranged at intervals in the vertical direction, each motor is fixedly connected with a liquid film ring which can be communicated with the cathode of a power supply, the metal wires clamped on the metal wire clamping mechanism can sequentially penetrate through the liquid film ring positioned below,
the needle tip collecting mechanism comprises a collecting piece for receiving the needle tip, the distance between the collecting piece and the base is adjustable, a collecting cavity is formed in the collecting piece, and the collecting cavity is located below the liquid film ring.
The improved metal wire clamping mechanism comprises a clamping support and two rows of clamping wheel sets which are arranged oppositely, the bottom of the clamping support is fixed on a base, the clamping wheel sets are fixedly arranged at the top of the clamping support, and metal wires are clamped between the two rows of clamping wheel sets. Two rows of clamping wheel sets are arranged, so that the metal wire can be clamped, and the metal wire can be further straightened.
Further improve, a recess has all been seted up to the equal circumference of the outer wall of every clamping wheel in two rows of clamping wheelsets. And a groove is formed, and the metal wire is directly clamped in the groove.
The electrochemical reaction mechanism further comprises a motor support, the bottom of the motor support is fixed on the base, and the at least two motors are fixedly arranged on the motor support at intervals along the height direction of the motor support.
The electrochemical reaction mechanism further comprises liquid film ring connecting rods, the number of the liquid film ring connecting rods is equal to that of the motors, each motor is connected with one liquid film ring connecting rod, one end of each liquid film ring connecting rod is fixedly connected with the corresponding motor, and the other end of each liquid film ring connecting rod is fixedly connected with one liquid film ring.
Further improve, the needle tip collection mechanism still includes the slip table, and the vertical setting of slip table, slip table bottom are on the base, include the slider in the slip table, collect the piece and can dismantle with the slider and be connected. The position of the collecting piece can be changed by adjusting the position of the sliding block through the sliding table, and the collecting piece can be always arranged close to the bottom of the metal wire by adjusting the sliding block according to actual processing during use, so that the manufactured nanometer needle tip can be prevented from falling into the collecting piece at high altitude, the damage of the nanometer needle tip is avoided, and the precision of the needle tip is ensured to the maximum extent. The collecting piece is detachably connected with the sliding block, so that the collecting piece is convenient to install, detach and replace.
The improved structure is characterized in that the collecting part is detachably connected with the sliding block through a connecting component, the connecting component comprises a connecting rod and a connecting block, one end of the connecting rod is fixedly connected with the collecting part, the other end of the connecting rod is fixedly connected with the connecting block, and the connecting block is detachably connected with the sliding block.
Compared with the prior art, the utility model discloses beneficial effect that can realize is at least as follows: electrolyte is added on the liquid film ring to form a liquid film, the liquid film ring is connected with a power supply cathode, the metal wire is connected with a power supply anode, and electrochemical etching is carried out.
Example 1
Referring to fig. 1-7, the mass production apparatus for nano-needle tips provided in this embodiment includes a base 1, a wire clamping mechanism 2, an electrochemical reaction mechanism 3, and a needle tip collecting mechanism 4, wherein the wire clamping mechanism 2, the electrochemical reaction mechanism 3, and the needle tip collecting mechanism 4 are all fixedly disposed on the base 1.
Referring to fig. 1, 3 and 4, a wire clamp 2 is used to clamp a wire that may be in communication with the anode of a power supply. The wire clamping mechanism 2 comprises a clamping support 21 and two rows of clamping wheel sets 22 which are arranged oppositely, the bottom of the clamping support 21 is fixed on the base 1 through screws, a U-shaped fixing plate 23 is fixedly arranged at the top of the clamping support 21, each row of clamping wheel sets 22 are fixed on one mounting plate 24 respectively, the two mounting plates 24 are fixed on the fixing plate 23 through connecting rods 25, two connecting rods 25 are arranged in the embodiment, external threads are respectively arranged at two ends of the two connecting rods 25, the two mounting plates 24 with the clamping wheel sets 22 fixed are placed in the U-shaped fixing plate 23 oppositely, one ends of the two connecting rods 25 penetrate through one side of the U-shaped fixing plate 23 respectively in sequence, the other sides of the two mounting plates 24 and the U-shaped fixing plate 23, nuts are screwed at two ends of the two connecting rods 25 respectively, and the two rows of clamping wheel sets 22 are. The wire can be clamped between two rows of clamping wheelsets 22, has 3 clamping wheels in every row of clamping wheelsets 22 in this embodiment, and a recess 221 has been seted up to the equal circumference of outer wall of every clamping wheel, and the wire clamping is in recess 221 on two rows of clamping wheelsets 22, and the cross section of recess 221 is the semicircle form, can reduce the wearing and tearing to the wire, and every row of clamping wheelsets 22 can also play the effect of alignment to the wire. When clamping, two opposite clamping wheels in the two rows of clamping wheel sets 22 are contacted with each other, and the metal wire is clamped in the groove 221.
In this embodiment, a fixing plate 6 is fixedly disposed on the base 1 and on both sides of the clamping bracket 21 to enhance the mounting stability of the wire clamping mechanism 2.
Referring to fig. 1 and 2, the electrochemical reaction mechanism 3 is located below the wire clamping mechanism 2, the electrochemical reaction mechanism 3 includes a motor support 34, 3 motors 31, 3 liquid film ring connecting rods 33, and 3 liquid film rings 32 which are all communicated with the cathode of the power supply, the bottom of the motor support 34 is fixed on the base 1 through screws, the 3 motors 31 are fixedly arranged on the motor support 34 along the height direction of the motor support 34 at intervals, each motor 31 is fixedly connected with a liquid film ring connecting rod 33 through a reduction gearbox, one end of the liquid film ring connecting rod 33 is fixedly connected with the reduction gearbox, the other end of the liquid film ring connecting rod 33 is fixedly connected with a liquid film ring 32, defining from bottom to top, the 3 motors 31 are a first motor 311, a second motor 312 and a third motor 313 respectively, the 3 liquid film rings 32 are a first liquid film ring 321, a second liquid film ring 322 and a third liquid film ring 323 respectively, the contact positions of the centers of the first liquid film ring 321, the second liquid film ring 322 and the third liquid film ring 323 and the two rows of clamping wheel sets 22 are positioned on the same vertical line, so that the metal wires clamped in the metal wire clamping mechanism 2 can sequentially pass through the liquid film rings 32 positioned below. Of course, in other embodiments, more motors and corresponding liquid film ring connecting rods and liquid film rings can be arranged according to the needs.
The metal wire may be made of tungsten, gold, silver, nickel, etc., and in this embodiment, a tungsten wire is used. The liquid film ring is made of metal materials, such as tungsten, nickel, gold, platinum and the like, and in the embodiment, the liquid film ring is made of tungsten, the material is the same as that of the metal wire, and the cost performance is higher.
Please refer to fig. 1, fig. 5 and fig. 6, the needle tip collecting mechanism 4 includes a screw rod sliding table 42 and a collecting part 41 which is used for receiving the needle tip and has an adjustable distance with the base 1, the sliding table 42 includes a sliding table frame 422, a sliding table motor 423, a screw rod and a sliding block 421, the sliding table frame 422 is vertically disposed, the bottom of the sliding table frame 422 is fixed on the base 1, the sliding table motor 423 is fixed on the top of the sliding table frame 422, an output shaft of the sliding table motor 423 faces downward, the top of the screw rod is fixedly connected with the output shaft of the sliding table motor 423, a bottom end of the screw rod is disposed at the bottom of the sliding table frame 422 through a bearing, the. A collection cavity 411 is formed in the collection part 41, and the opening of the collection cavity 411 is positioned right below the liquid film ring 32. The sliding table motor 423 is started to drive the screw rod to rotate, so that the sliding block 421 is driven to slide up and down on the screw rod, and the collecting part 41 is driven to move up and down, so that the collecting part 41 can be moved to be close to the bottom of the metal wire, the metal wire can fall into the collecting part 41 in a short distance when falling into the electrochemical etching, damage caused by the falling of the needle point from a high position is avoided, and the precision of the needle point when falling is ensured to the maximum extent. The collecting member 41 is detachably connected with the sliding block 421, so that the collecting member 41 and the sliding block 421 can be conveniently mounted, dismounted and replaced.
In this embodiment, the collecting member 41 is connected to the sliding block 421 through the connecting member 5, the connecting member 5 includes a connecting rod 51 and a connecting block 52, one end of the connecting rod 51 is fixedly connected to the collecting member 41, the other end of the connecting rod 51 is fixedly connected to the connecting block 52, and the connecting block 52 is connected to the sliding block 421 through a bolt.
The embodiment further comprises a sliding table reinforcing rib 7, the sliding table reinforcing rib 7 is obliquely arranged, one end of the sliding table reinforcing rib 7 is fixed on the sliding table frame 422, the other end of the sliding table reinforcing rib 7 is fixed on the base 1, and the sliding table reinforcing rib 7 is arranged to enhance the installation stability of the sliding table.
When the mass production device for the nano needle points provided by the embodiment is used, electrolyte is added into the first liquid film ring 321, the second liquid film ring 322 and the third liquid film ring 323 to form electrolyte films, the sliding table motor 423 is started, the collecting piece 41 is adjusted to be below the first liquid film ring 321 and below the clamped metal wire through the sliding block 421, the metal wire is clamped on the metal wire clamping mechanism, the bottom of the metal wire sequentially penetrates through the third liquid film ring 323, the second liquid film ring 322 and the first liquid film ring 321, the first liquid film ring 321 is connected with the power supply cathode, the metal wire is connected with the power supply anode, electrochemical etching is carried out at the electrolyte film of the first liquid film ring 321, the metal wire in the liquid film is gradually thinned until the metal wire section below the liquid film falls off due to gravity and falls into the collecting piece 41 below, and the first nano needle point is prepared; then starting the first motor 311, rotating an output shaft of the first motor 311 to drive the first liquid film ring 321 to be far away from the metal wire so as to prevent the collection part 41 from being blocked from approaching the metal wire upwards, starting the sliding table motor 423, adjusting the collection part 41 towards the sliding table motor 423 through the sliding block 421, enabling the collection part 41 to approach the bottom of the metal wire at the moment, switching on a power supply cathode for the second liquid film ring 322, performing electrochemical etching on an electrolyte film of the second liquid film ring 322, and gradually thinning the metal wire in the electrolyte film until a metal wire section below the electrolyte film falls off due to gravity and falls into the collection part 41 below the electrolyte film to prepare a second nanometer needle point; the second motor 312 is started to drive the second liquid film ring 322 to be far away from the metal wire, the sliding table motor 423 is started, the collecting piece 41 is adjusted towards the sliding table motor 423 through the sliding block 421, the collecting piece 41 is close to the bottom of the metal wire at the moment, the power supply cathode is switched on for the third liquid film ring 323, electrochemical etching occurs at the electrolyte film of the third liquid film ring 323, the metal wire in the electrolyte film becomes thinner gradually, the metal wire section below the electrolyte film falls off due to gravity and falls into the collecting piece 41 below the liquid film, a third nanometer needle point is manufactured, the residual metal wire clamped in the metal wire clamping mechanism 2 at the moment is taken down and is the third nanometer needle point, 4 nanometer needle points can be processed from one metal wire, a plurality of nanometer needle points are produced in batch through one-time clamping, and the production efficiency of the nanometer needle points is greatly improved.
The electrolyte in this embodiment is a KOH solution, and the concentration can be determined between 0.5mol/L and 2 mol/L.
The utility model discloses the part that does not relate to all is the same with prior art or adopts prior art to realize.
The foregoing is only a preferred embodiment of the present invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.