CN209885891U

CN209885891U - Roller press for printing graphene conductive paste

Info

Publication number: CN209885891U
Application number: CN201920221988.2U
Authority: CN
Inventors: 刘振禹; 马有明; 陈韶华; 魏洪标; 刘进
Original assignee: SHANDONG HUAGUAN SMART CARD CO Ltd
Current assignee: SHANDONG HUAGUAN SMART CARD CO Ltd
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-03
Anticipated expiration: 2029-02-22

Abstract

The utility model relates to a roll squeezer technical field just discloses a roll squeezer for printing of graphite alkene conductive paste, the load simulator comprises a case, the positive movable mounting of inner wall of machine case has the first roller that extends to the quick-witted incasement wall back, the right side movable mounting that the inner wall of machine case openly just is located first roller has the second roller that extends to the quick-witted incasement wall back, the inner wall bottom of machine case just is located the below fixed mounting of first roller and second roller has reset spring, reset spring's top fixed mounting has the shovel board that extends to first roller and second roller outer wall. This a roll squeezer for graphite alkene conductive paste printing, through control step motor's the number of turns of rotation and then control the feeding what, rethread starts electric putter extension, and electric putter passes through the connecting rod and drives piston and scraper blade decline and impress the inside of quick-witted case with the raw materials, reaches the effect of quick quantitative control feeding.

Description

Roller press for printing graphene conductive paste

Technical Field

The utility model relates to a roll squeezer technical field specifically is a roll squeezer for printing of graphite alkene conductive paste.

Background

The special graphene composite conductive additive for the lithium ion battery has the two modes of Pas and Pas, namely, taking graphene as a core and NMP as a solvent, adding a certain amount of graphene composite conductive slurry made of carbon black materials, and mixing the graphene composite conductive slurry with high-structure carbon black according to a certain proportion by utilizing excellent electrical conductivity, thermal conductivity and flexible sheet structure of the graphene, so that an efficient three-dimensional conductive network can be formed on the whole material system, the internal resistance of the battery can be reduced, the charge-discharge rate and the cycle performance of the battery can be improved, and the graphene conductive slurry needs to be rolled in the production of the lithium ion battery.

The traditional roller press is only suitable for solid rolling generally, and semi-wet and semi-dry graphene conductive paste is easy to adhere, so that the situations of troublesome feeding of the graphene conductive paste, uneven extrusion and the like occur, and the roller press for printing the graphene conductive paste is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a roll squeezer for printing of graphite alkene conductive paste possesses quick ration material loading and extrudees advantage such as effectual, has solved traditional roll squeezer and generally only is fit for the solid and rolls, adheres easily to half wet half dry graphite alkene conductive paste, leads to the problem that graphite alkene conductive paste material loading is troublesome and the uneven circumstances of extrusion takes place.

(II) technical scheme

For realizing the above-mentioned quick ration material loading and the effectual purpose of extrusion, the utility model provides a following technical scheme: a roller press for printing graphene conductive paste comprises a case, wherein a first roller shaft extending to the back face of the inner wall of the case is movably mounted on the front side of the inner wall of the case, a second roller shaft extending to the back face of the inner wall of the case is movably mounted on the front side of the inner wall of the case and is positioned on the right side of the first roller shaft, a reset spring is fixedly mounted at the bottom of the inner wall of the case and is positioned below the first roller shaft and the second roller shaft, a shovel plate extending to the outer wall of the first roller shaft and the outer wall of the second roller shaft is fixedly mounted at the top of the reset spring, a baffle extending to the outer wall of the first roller shaft and the outer wall of the second roller shaft is fixedly mounted at the top of the case, a feeding cylinder extending through and extending to the inside of the case is fixedly mounted at the top of the case, a fixing frame is movably mounted at the left side, the outer wall of the supporting frame is movably provided with a connecting rod, the left side of the connecting rod is movably connected with the top of the electric push rod, a piston extending into the feeding cylinder is movably arranged at the right side of the connecting rod, a scraper is fixedly arranged at the bottom of the piston, a feeding box which penetrates through and extends into the feeding cylinder is fixedly arranged on the right side of the feeding cylinder, a feeding pipe is fixedly arranged at the top of the feeding box, bearing seats are fixedly arranged on the left side of the inner wall and the right side of the inner wall of the feeding box, a spiral rotating shaft which penetrates through the bearing seats and extends into the feeding box is movably arranged on the left side of the feeding box, the outer wall of spiral pivot just is located the right side of feed box and has cup jointed first gear, machine case top and the bottom fixed mounting who is located the feed box have step motor, cup jointed on step motor's the output shaft with first gear to the second gear of meshing.

Preferably, the number of the return springs is twelve, the stiffness coefficient of the return springs is five kilonewtons per meter, and the number of the baffle plates is two.

Preferably, the number of teeth of the first gear is twenty-eight, and the number of teeth of the second gear is twenty-four.

Preferably, the bottom of the case is provided with a discharge port between the shovel plates, and the top of the case is fixedly provided with fixing plates on the front and back of the stepping motor.

Preferably, the left side of the inner wall of the feeding box is provided with six feeding holes.

Preferably, the horizontal distance from the support frame to the electric push rod is fifty centimeters, and the horizontal distance from the support frame to the piston is twenty-five centimeters.

(III) advantageous effects

Compared with the prior art, the utility model provides a roll squeezer for printing of graphite alkene conductive paste possesses following beneficial effect:

1. this a roll squeezer for graphite alkene conductive paste printing, through starting step motor, step motor passes through the output shaft and drives the rotation of second gear, it is rotatory that the second gear drives the spiral pivot through first gear, and pass through the screw thread with the raw materials and extrude to the feeding section of thick bamboo, and then control the feeding through the number of turns of rotation of control step motor, rethread starts the electric putter extension, electric putter passes through the connecting rod and drives piston and scraper blade decline and impress the inside of quick-witted case with the raw materials, reach the effect of quick quantitative control feeding.

2. This a roll squeezer for graphite alkene conductive paste printing, block the raw materials through the baffle and spill over from quick-witted case gap, accelerate the extrusion process of raw materials, rethread reset spring makes the shovel board hug closely first roller and second roller, and then scrapes the raw materials that adhere on first roller and the second roller, make first roller and second roller roll at every turn and can both self-cleaning clean up, prevent that first roller and second roller from leading to rolling uneven condition emergence because of the raw materials adheres, the extrusion effect of this roll squeezer has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: the device comprises a machine case 1, a first roller shaft 2, a second roller shaft 3, a return spring 4, a shovel plate 5, a baffle plate 6, a feeding cylinder 7, a fixing frame 8, an electric push rod 9, a supporting frame 10, a connecting rod 11, a piston 12, a scraper 13, a feeding box 14, a feeding pipe 15, a bearing seat 16, a spiral rotating shaft 17, a first gear 18, a stepping motor 19 and a second gear 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a roller press for printing graphene conductive paste comprises a chassis 1, a first roller shaft 2 extending to the back of the inner wall of the chassis 1 is movably mounted on the front of the inner wall of the chassis 1, a second roller shaft 3 extending to the back of the inner wall of the chassis 1 is movably mounted on the front of the inner wall of the chassis 1 and positioned at the right side of the first roller shaft 2, a return spring 4 is fixedly mounted at the bottom of the inner wall of the chassis 1 and positioned below the first roller shaft 2 and the second roller shaft 3, a shovel plate 5 extending to the outer walls of the first roller shaft 2 and the second roller shaft 3 is fixedly mounted at the top of the return spring 4, baffles 6 extending to the outer walls of the first roller shaft 2 and the second roller shaft 3 are fixedly mounted at the top of the inner wall of the chassis 1, the number of the return springs 4 is twelve, the coefficient of the return spring 4 is five kn per meter, the number of the baffles 6 is two feeding cylinders 7 penetrating through and extending to the inside of the, a fixed frame 8 is movably mounted on the left side of the feeding cylinder 7, an electric push rod 9 is fixedly mounted on the top of the fixed frame 8, a support frame 10 is fixedly mounted on the top of the feeding cylinder 7, a connecting rod 11 is movably mounted on the outer wall of the support frame 10, the left side of the connecting rod 11 is movably connected with the top of the electric push rod 9, a piston 12 extending into the feeding cylinder 7 is movably mounted on the right side of the connecting rod 11, the horizontal distance from the support frame 10 to the electric push rod 9 is fifty centimeters, the horizontal distance from the support frame 10 to the piston 12 is twenty-five centimeters, a scraping plate 13 is fixedly mounted at the bottom of the piston 12, a feeding box 14 penetrating through and extending into the feeding cylinder 7 is fixedly mounted on the right side of the feeding cylinder 7, feeding holes are formed in the left side of the inner wall of the feeding box 14, the number of the feeding holes is six, a feeding, a spiral rotating shaft 17 penetrating through a bearing seat 16 and extending into the feeding box 14 is movably mounted on the left side of the feeding box 14, a first gear 18 is sleeved on the outer wall of the spiral rotating shaft 17 and located on the right side of the feeding box 14, a stepping motor 19 is fixedly mounted on the top of the case 1 and located at the bottom of the feeding box 14, the model of the stepping motor 19 is DMA860H, a discharge hole is formed in the bottom of the case 1 and located between the shovel plates 5, fixing plates are fixedly mounted on the top of the case 1 and located on the front and back sides of the stepping motor 19, a second gear 20 meshed with the first gear 18 is sleeved on an output shaft of the stepping motor 19, the number of teeth of the first gear 18 is twenty eight, the number of teeth of the second gear 20 is twenty four, by starting the stepping motor 19, the stepping motor 19 drives the second gear 20 to rotate through the output shaft, the second gear 20 drives the spiral rotating shaft, and extrude the raw materials to feeding cylinder 7 through the screw thread, and then control how much of feeding through the number of turns of rotation of control step motor 19, rethread starts electric putter 9 extension, electric putter 9 drives piston 12 and scraper blade 13 through connecting rod 11 and descends and impresses the raw materials into quick-witted case 1's inside, reach the effect of quick quantitative control feeding, block the raw materials through baffle 6 and spill over from quick-witted case 1 gap, accelerate the extrusion process of raw materials, rethread reset spring 4 makes shovel board 5 hug closely first roller 2 and second roller 3, and then scrape the raw materials that adhere on first roller 2 and the second roller 3, make first roller 2 and the second roller 3 roll and can both clear up automatically at every turn, prevent that first roller 2 and second roller 3 from because of the raw materials adheres to lead to rolling inhomogeneous circumstances emergence, the extrusion effect of this bucker has been improved.

In conclusion, according to the roller press for printing the graphene conductive paste, the stepping motor 19 is started, the stepping motor 19 drives the second gear 20 to rotate through the output shaft, the second gear 20 drives the spiral rotating shaft 17 to rotate through the first gear 18, the raw material is extruded into the feeding cylinder 7 through the threads, the feeding amount is controlled by controlling the number of the rotating turns of the stepping motor 19, the electric push rod 9 is started to extend, the electric push rod 9 drives the piston 12 and the scraper 13 to descend through the connecting rod 11 and press the raw material into the case 1, the effect of fast and quantitatively controlling the feeding is achieved, the raw material is prevented from overflowing from the gap of the case 1 through the baffle 6, the extrusion process of the raw material is accelerated, the shovel plate 5 is tightly attached to the first roller shaft 2 and the second roller shaft 3 through the reset spring 4, the raw material adhered to the first roller shaft 2 and the second roller shaft 3 is scraped, and the first roller shaft 2 and the second roller shaft 3 can be automatically cleaned up each time of rolling, prevent that first roller 2 and second roller 3 from because of the raw materials adheres and lead to rolling the condition emergence of unevenness, improved the extrusion effect of this roll squeezer, solved traditional roll squeezer generally only be fit for the solid and roll, adhere easily to semi-wet semi-dry graphite alkene conducting paste, lead to the problem that graphite alkene conducting paste material loading is troublesome and the uneven circumstances of extrusion takes place.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roll squeezer for graphite alkene conductive paste printing, includes quick-witted case (1), its characterized in that: the inner wall of the case (1) is provided with a first roller (2) extending to the back of the inner wall of the case (1) in a positive movable manner, the inner wall of the case (1) is provided with a second roller (3) extending to the back of the inner wall of the case (1) in a positive movable manner and positioned on the right side of the first roller (2), the bottom of the inner wall of the case (1) is fixedly provided with a reset spring (4) positioned below the first roller (2) and the second roller (3), the top of the reset spring (4) is fixedly provided with a shovel plate (5) extending to the outer walls of the first roller (2) and the second roller (3), the top of the inner wall of the case (1) is fixedly provided with a baffle (6) extending to the outer walls of the first roller (2) and the second roller (3), the top of the case (1) is fixedly provided with a feeding cylinder (7) extending through and extending to the inside of the case, the feeding device comprises a feeding barrel (7), a fixing frame (8) and a connecting rod (11), wherein the fixing frame (8) is movably mounted on the left side of the feeding barrel (7), the electric push rod (9) is fixedly mounted on the top of the fixing frame (8), the supporting frame (10) is fixedly mounted on the top of the feeding barrel (7), the connecting rod (11) is movably connected with the top of the electric push rod (9) on the left side, the piston (12) extending into the feeding barrel (7) is movably mounted on the right side of the connecting rod (11), a scraping plate (13) is fixedly mounted on the bottom of the piston (12), a feeding box (14) penetrating through and extending into the feeding barrel (7) is fixedly mounted on the right side of the feeding barrel (7), a feeding pipe (15) is fixedly mounted on the top of the feeding box (14), and a bearing seat (16) is fixedly mounted on the left side and, the feeding box (14) left side movable mounting has spiral pivot (17) that runs through bearing frame (16) and extend to feeding box (14) inside, first gear (18) have been cup jointed on the outer wall of spiral pivot (17) and the right side that is located feeding box (14), the bottom fixed mounting that quick-witted case (1) top just is located feeding box (14) has step motor (19), cup joint on the output shaft of step motor (19) with first gear (18) to engaged with second gear (20).

2. The roller press for printing the graphene conductive paste as claimed in claim 1, wherein: the quantity of reset spring (4) is twelve, reset spring (4)'s the coefficient of stiffness is five kilo newtons per meter, the quantity of baffle (6) is two.

3. The roller press for printing the graphene conductive paste as claimed in claim 1, wherein: the number of teeth of the first gear (18) is twenty eight, and the number of teeth of the second gear (20) is twenty four.

4. The roller press for printing the graphene conductive paste as claimed in claim 1, wherein: the bottom of the case (1) is positioned between the shovel plates (5) and provided with a discharge hole, and the top of the case (1) is provided with fixing plates which are fixedly arranged on the front side and the back side of the stepping motor (19).

5. The roller press for printing the graphene conductive paste as claimed in claim 1, wherein: the left side of the inner wall of the feeding box (14) is provided with six feeding holes.

6. The roller press for printing the graphene conductive paste as claimed in claim 1, wherein: the horizontal distance from the support frame (10) to the electric push rod (9) is fifty centimeters, and the horizontal distance from the support frame (10) to the piston (12) is twenty-five centimeters.