Precision controlled processing equipment and method for carburizing of steel balls

Abstract

A device and method for precisely controlling the amount of carbon powder used in the carburizing treatment of bearing steel balls is disclosed. The device primarily comprises a feeding mechanism, a crushing mechanism, a conveying mechanism, a dividing mechanism, a forming mechanism, and a transfer mechanism. The feeding mechanism delivers charcoal to the crushing mechanism for crushing. The charcoal is then mixed with water mist and fed into the conveying mechanism, where it is conveyed via an auger to the dividing mechanism. The dividing mechanism intermittently rotates to deliver the raw material to the corresponding forming mechanism, which then compresses the raw material into blocks and removes them via the transfer mechanism. The device and method for precisely controlling the amount of carbon powder used in the carburizing treatment of bearing steel balls disclosed herein can improve the accuracy of carbon addition during carburizing of bearing steel balls, thereby enhancing product quality.

Description

Technical Field

[0001] The invention relates to bearing steel ball processing equipment, in particular to a carbon powder precise quantity control processing equipment and method for carburizing bearing steel balls. Background Art

[0002] Patent application number 202011088085.5, "A Process for Lightly Carburizing Steel Balls," describes the carburizing heat treatment of steel balls. The raw material used for carburizing heat treatment is charcoal (the dark brown or black porous solid fuel remaining after incomplete combustion of wood or wood-based materials, or pyrolysis in an airless environment). The charcoal is pulverized into carbon powder, which is then thrown into a heat treatment furnace for the carburizing reaction.

[0003] The existing method of adding carbon powder directly into the heat treatment furnace does not accurately control the amount of carbon powder, resulting in excessive or insufficient carbon powder, making it difficult to ensure product quality. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a carbon powder precise control processing equipment and method for carburizing bearing steel balls, convert the carbon powder into carbon blocks, add a specified number of carbon blocks according to actual needs, realize precise control of the carbon amount, and ensure that the carburizing effect reaches an ideal state.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A precise control amount processing device for carbon powder used in carburizing treatment of bearing steel balls, comprising a feeding mechanism, a crushing mechanism, a conveying mechanism, a material dividing mechanism, a forming mechanism and a transfer mechanism;

[0007] The feeding mechanism includes a bracket, and vertical rails and curved rails are fixed on the left and right sides of one side of the bracket, and support forks are provided on the inner sides of the left and right vertical rails and the curved rails. A first roller and a second roller are installed at the front and rear of each set of support forks, wherein the first roller is slidably arranged in the vertical rail, and the second roller is slidably arranged in the curved rail. Positioning cylinders are provided on the outer sides of the two support forks, and the mobile trolley is inserted into the positioning cylinders of the two support forks through an insertion rod; the central axis of the first roller passes through the positioning hole of the vertical rail and is fixed to the connector, the connector is connected to the lifting rope, the lifting rope passes around the fixed pulley at the top of the vertical rail and is wound around the winding drum of the bracket, and the winding drum is driven by the first motor;

[0008] The crushing mechanism includes a hopper, a crushing mechanism is provided at the lower part of the hopper, and the crushing mechanism is driven to rotate by a belt transmission mechanism and a second motor;

[0009] The conveying mechanism includes an auger body, the feed port of the auger body is connected to the crushing mechanism, and the discharge port of the auger body is located above the material distribution mechanism; an annular liquid feeding pipe is provided on the feed port, and multiple groups of nozzles are arranged circumferentially on the annular liquid feeding pipe, and the nozzles extend into the feed port;

[0010] The material distribution mechanism includes a support, a rack ring is fixed on the support, a central shaft is rotatably mounted on the support at the center of the rack ring, a chute is fixed on the central shaft, a drive motor is fixed on the support frame at the lower end of the chute, the output end of the drive motor is connected to the gear, and the gear is meshed with the rack ring;

[0011] The forming mechanism includes a platform, a slide rail is provided on the platform, a mobile material box is provided on the slide rail, a carbon block clamp is provided at the front end of the mobile material box, a blanking hole is installed at one end of the platform located between the two slide rails, a plurality of groups of extrusion heads are provided at the upper end of the blanking hole, and the plurality of groups of extrusion heads are driven up and down by a first hydraulic cylinder; a plurality of groups of pushing heads are provided at the lower end of the blanking hole, and the plurality of pushing heads are driven to push the material by a second hydraulic cylinder.

[0012] The lower part of the arc track is vertical, and the upper part is bent toward one side of the hopper.

[0013] The nozzle is an L-shaped structure, with the lower end tilted downward.

[0014] A stirring rod is threadedly connected to the shaft of the auger body.

[0015] The movable material box comprises a square box body, and the square box body is provided with running wheels on the left and right sides, and one of the running wheels is driven to rotate by a first servo motor.

[0016] The carbon block clamp includes left and right support plates, and a guide rod and a screw rod are provided between the left and right support plates, wherein the guide rod is fixedly connected to the support plate, and the screw rod is rotatably connected to the support plate and driven by a second servo motor; multiple pairs of mounting plates are provided at the lower ends of the guide rod and the screw rod, and arc-shaped clamping plates are provided on the opposite surfaces of each pair of mounting plates, and a connecting plate is fixed on the upper end of each pair of mounting plates, and the connecting plates of each pair of mounting plates are driven relatively close or away by the screw rod.

[0017] The extrusion head includes a connecting rod, an extrusion head mounting plate is provided at the lower end of the connecting rod, a socket rod is fixed to the extrusion head mounting plate, the top plate passes through the socket rod and the upper end is connected to the guide rod, a compression spring is sleeved on the guide rod, and the top end of the guide rod is freely passed through the extrusion head mounting plate and is limited by a nut.

[0018] The transfer mechanism includes a mobile base frame, a scissor-type lifting fork frame is installed on the upper end of the mobile base frame, and the scissor-type lifting fork frame is driven to rise and fall by a third hydraulic cylinder at the bottom; the top of the scissor-type lifting fork frame is provided with a mounting frame, and the material receiving boxes are stacked on the mounting frame.

[0019] A method for precisely controlling the amount of carbon powder used for carburizing a bearing steel ball comprises the following steps:

[0020] Step 1), when loading is required, the charcoal is placed in the mobile trolley, the mobile trolley is pushed to the loading mechanism, and the insertion rod of the mobile trolley is inserted into the two supporting fork frames located below; then the first motor is started, and the first motor drives the two winding drums to rotate, thereby realizing the winding of the hanging rope, and the left and right connecting heads are pulled upward during the winding process of the hanging rope; because the first roller and the second roller are guided by the corresponding vertical track and the curved track, the mobile trolley moves vertically upward with the connecting head; when the line is wound to the appropriate position, the first roller continues to move upward along the vertical track, and the second roller enters the curved part of the curved track. At this time, the mobile trolley is tilted, and the charcoal in the mobile trolley is poured into the hopper; then the first motor rotates in the opposite direction, the hanging rope is relaxed and gradually unwound, and the mobile trolley gradually returns to the vertical state in the opposite direction and moves down to the bottom by its own weight, so as to facilitate the next loading;

[0021] Step 2) The pulverizing mechanism pulverizes the charcoal, and the pulverized carbon powder falls down into the feed port, where it comes into contact with the water mist and mixes before falling down. The raw material mixture then enters the auger body and is transported forward by the spiral blade. During the transportation process, it is further stirred and mixed by the stirring rod, and then enters the chute. The lower end of the chute points to one of the forming mechanisms. The vibration motor vibrates the raw material mixture on the chute and falls into the corresponding forming mechanism. When the other forming mechanism needs to be loaded, the drive motor drives the gear to rotate, and the gear moves along the rack ring, causing the chute to rotate a certain angle and point to the other forming mechanism.

[0022] Step 3) The material in the chute falls into the mobile material box. When the mobile material box receives the material, it is located on the end of the platform away from the drop hole. The chute at this location feeds the humidified carbon powder into the mobile material box. The mobile material box receives the material here and can move back and forth when receiving the material so that the carbon powder falls evenly into the mobile material box. When the raw material mixture reaches a certain height, the photoelectric sensor inside the mobile material box detects and stops feeding.

[0023] Step 4) The mobile material box moves toward one end of the blanking hole. When it reaches the blanking hole, the carbon powder in the mobile material box enters the blanking hole. Then the mobile material box returns to continue loading and takes back a small amount of excess carbon powder.

[0024] Step 5) The first hydraulic cylinder extends, driving the extrusion head into the blanking hole. The top plate squeezes the carbon powder, compacting it into a block. Simultaneously, the top plate, reacting to the carbon powder, moves upward, releasing the compression spring, exposing the jack rod and forming a socket in the carbon block. When extrusion is complete, the first hydraulic cylinder retracts, and the extrusion head moves upward, gradually separating from the carbon block. As the pressure of the top plate on the carbon block gradually decreases, the compression spring causes the top plate to return to its original position, freeing the jack rod from the carbon block.

[0025] Step 6) The second hydraulic cylinder extends, driving multiple groups of push columns to rise. When the push columns are flush with the upper surface of the platform, the mobile material box moves toward one end of the drop hole until the arc-shaped clamp on the carbon block fixture is aligned with the corresponding carbon block; start the second servo motor, and the carbon block fixture holds the carbon block;

[0026] Step 7) The mobile material box continues to move forward. When the carbon block clamp moves forward to the transfer mechanism, the carbon block clamp is released and the carbon block falls onto the transfer mechanism. At the same time, the mobile material box is located at the drop hole, the second hydraulic cylinder retracts, and the ejector head is reset under the action of the limit spring. At this time, the mobile material box can complete the second drop and then return again.

[0027] Step 8) Repeat the above process, cyclically carrying out the process of cutting, pressing into blocks, clamping and transferring until completion.

[0028] In the step 8), when the transfer mechanism receives the materials, the receiving boxes are added one by one, and the inner bottom surface of the uppermost receiving box is kept flush with the platform.

[0029] The present invention provides a device and method for accurately controlling the amount of carbon powder used in carburizing treatment of bearing steel balls, which has the following technical effects:

[0030] 1) Customized carbon blocks are used instead of carbon powder. The carbon amount of each carbon block is fixed. The amount of carbon to be added is directly converted into the number of carbon blocks. During production, only the quantity needs to be controlled to achieve precise control of the amount of carbon used for carburizing the bearing steel balls. This is simple and efficient, ensuring product quality.

[0031] 2) The mobile trolley facilitates unscheduled loading on the ground. It connects to the support fork frame and uses a reeled wire rope to raise and lower the trolley. Vertical and curved tracks enable tilting and flipping. This simple and efficient mechanism, controlled by a single motor, is simpler and more practical than other mechanisms. It eliminates the need for manual handling or ladder-climbing for unloading, making it safer and more efficient.

[0032] 3) An annular liquid adding pipe and nozzle are used to perform annular spraying at the discharge port of the crushing mechanism, which can be directly mixed with the carbon powder, reducing the difficulty of later mixing; the conveying is driven by the auger body, and simple mixing can be completed during the conveying, which is convenient for direct use in the later stage without the need to set up a separate mixing chamber.

[0033] 4) The material distribution mechanism can continuously feed multiple groups of forming mechanisms to improve equipment utilization.

[0034] 5) The use of a mobile material box with a carbon block clamp can complete the transfer of the pressed blocks after pressing and the loading before pressing in an orderly manner, thereby improving efficiency; by using multiple sets of extrusion heads and mandrels to work together, multiple carbon blocks with holes can be pressed at one time according to certain specifications, realizing batch production, while meeting the requirements of precise control of the amount of carbon added in the later stage to ensure that the product quality meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The present invention will be further described below with reference to the accompanying drawings and examples:

[0036] Figure 1 It is the main schematic diagram of the present invention.

[0037] Figure 2 It is a structural schematic diagram of the feeding mechanism in the present invention.

[0038] Figure 3 It is a schematic diagram of the unloading state of the feeding mechanism in the present invention.

[0039] Figure 4 Schematic diagram of two states of the feeding mechanism in the present invention.

[0040] Figure 5 It is a structural diagram of the feeding mechanism and the crushing mechanism in the present invention.

[0041] Figure 6 It is a front view of the crushing mechanism and the conveying mechanism in the present invention.

[0042] Figure 7 It is the front view of the conveying mechanism in the present invention.

[0043] Figure 8 It is a partial cross-sectional view of the conveying mechanism in the present invention.

[0044] Figure 9 It is a cross-sectional view of the feed port in the present invention.

[0045] Figure 10 Schematic diagram of the structure of the material distribution mechanism in the present invention (first perspective).

[0046] Figure 11 Schematic diagram of the structure of the material distribution mechanism in the present invention (second perspective).

[0047] Figure 12 It is a working schematic diagram of the material distribution mechanism in the present invention.

[0048] Figure 13 It is a structural schematic diagram of the forming mechanism in the present invention.

[0049] Figure 14 It is a structural schematic diagram of the mobile material box in the present invention.

[0050] Figure 15 It is a top view of the mobile material box in the present invention.

[0051] Figure 16 It is a structural schematic diagram of the extrusion head in the present invention.

[0052] Figure 17It is the front view of the extrusion head in the present invention.

[0053] Figure 18 It is the front view of the plug in the present invention.

[0054] Figure 19 It is a structural schematic diagram of the transfer mechanism in the present invention.

[0055] Figure 20 It is a structural schematic diagram of the material receiving box in the present invention.

[0056] Figure 21 It is a schematic diagram of the arrangement of the material receiving box and the platform in the present invention.

[0057] Figure 22 It is the front view of the transfer mechanism in the present invention. DETAILED DESCRIPTION

[0058] like Figure 1 As shown, a device and method for precisely controlling the amount of carbon powder used for carburizing treatment of bearing steel balls include a feeding mechanism 1, a crushing mechanism 2, a conveying mechanism 3, a dividing mechanism 4, a forming mechanism 5 and a transferring mechanism 6.

[0059] like Figure 2-4 As shown, the feeding mechanism 1 includes a bracket 1.1, which is divided into two parts, left and right, and fixed to one side of the fixed frame of the hopper 2.1. Vertical rails 1.2 and curved rails 1.3 are fixed on the left and right sides of the bracket 1.1, wherein the vertical rail 1.2 is arranged vertically upward, and the lower part of the curved rail 1.3 is vertical, and the upper part is bent toward the side of the hopper 2.1. The cross-sections of the vertical rail 1.2 and the curved rail 1.3 are both U-shaped trough structures. Support forks 1.4 are provided on the inner sides of the left and right vertical rails 1.2 and the curved rails 1.3, and each set of support forks 1.4 is installed with a first roller 1.5 and a second roller 1.6 at the front and rear, wherein the first roller 1.5 is slidably set in the vertical rail 1.2, and the second roller 1.6 is slidably set in the curved rail 1.3. Positioning cylinders are fixed on the outside of the two supporting forks 1.4, and the mobile trolley 1.7 is inserted into the positioning cylinders of the two supporting forks 1.4 through the insertion rod 1.8; the central axis of the first roller 1.5 (the central axis is the non-rotating part of the first roller 1.5, and the outer drum is the rotating part of the first roller 1.5) passes through the positioning hole 1.9 of the vertical track 1.2 and is fixed to the connector 1.10, and the connector 1.10 is connected to the lifting rope 1.11 (wire rope), and the lifting rope 1.11 passes around the fixed pulley 1.12 at the top of the vertical track 1.2 and is wound around the winding drum 1.13 of the bracket 1.1, and the winding drum 1.13 is driven by the first motor 1.14.

[0060] Preferably, the connector 1.10 is cylindrical, with a diameter greater than the width of the positioning hole 1.9. A rope threading hole is provided in the middle of the connector 1.10, so that the sling 1.11 can be fastened to the connector 1.10 after passing through the rope threading hole.

[0061] Preferably, the two sets of cable reels 1.13 are connected via a connecting shaft 1.15, so that only one motor can be used to drive the two sets of cable reels 1.13 to rotate synchronously.

[0062] like Figure 5 As shown, the crushing mechanism 2 includes a hopper 2.1, which is fixed to a fixed frame on one side of the bracket 1.1. A crushing mechanism 2.2 is located below the hopper 2.1. This crushing mechanism 2.2 can be a conventional hammer. The hammer's rotating shaft extends outside the housing and is driven by a belt conveyor 2.3 and a second motor 2.4. During operation, the motor drives the hammer to strike, breaking the charcoal into pieces, which then fall through the holes in the filter plate and into the discharge port at the lower end.

[0063] like Figure 7-9 As shown, the conveying mechanism 3 includes an auger body 3.1, which includes a housing, a rotating shaft, a motor, and spiral blades. The auger body 3.1 is arranged tilted upward, and a feed port 3.2 is provided at the lower end of the auger body 3.1. The feed port 3.2 is connected to the discharge port of the pulverizing mechanism 2. Carbon powder is fed into the auger body 3.1 through the feed port 3.2. The carbon powder is transported by the spiral blades of the auger body 3.1 and discharged from the discharge port 3.3. To facilitate press molding, an annular liquid feeding pipe 3.4 is provided on the feed port 3.2. The outer side of the annular liquid feeding pipe 3.4 is connected to a water source via a hose. Multiple groups of nozzles 3.5 (atomizing nozzles) are fixed on the inner side of the annular liquid feeding pipe 3.4, and the nozzles 3.5 extend into the feed port 3.2.

[0064] The water source is delivered to the annular liquid adding pipe 3.4 through the corresponding pump body and sprayed out through the nozzle 3.5. Since the nozzle 3.5 is distributed in an annular shape, the water mist is sprayed on the carbon powder when it falls, achieving preliminary mixing and wetting.

[0065] like Figure 8 As shown, in order to achieve effective conveying and stirring, a stirring rod 3.7 is threadedly connected to the shaft of the auger body 3.1. The stirring rod 3.7 can stir the carbon powder when the spiral blade drives it forward, further achieving uniform mixing of solid and liquid.

[0066] like Figure 7 As shown, a movable frame 3.6 is installed at the lower end of the auger body 3.1, thereby facilitating movement during installation.

[0067] like Figure 8As shown, the nozzle 3.5 is an L-shaped structure, and the atomized material sprayed from the vertical end of the nozzle 3.5 is tilted downward and directed to the center of the feed port 3.2. The nozzle 3.5 outlet is downward to avoid being blocked by carbon powder.

[0068] like Figure 10-11 As shown, the material dispensing mechanism 4 includes a T-shaped support 4.1 with legs fixed to its upper end. A rack ring 4.2 is fixed to the top of the legs. The rack ring 4.2 is annular and has teeth on its inner wall. A central shaft 4.3 is rotatably mounted on the support 4.1, located at the center of the rack ring 4.2, via a bearing. A chute 4.4 is fixed to the central shaft 4.3. A support frame 4.5 is fixed to the lower end of the chute 4.4. A drive motor 4.6 is mounted on the support frame 4.5. The output end of the drive motor 4.6 is connected to a gear 4.7, which meshes with the rack ring 4.2. The driving motor 4.6 can drive the gear 4.7 to rotate, and the gear 4.7 moves along the rack ring 4.2, thereby driving the chute 4.4 to rotate. The high end of the feed of the chute 4.4 is opposite to the discharge port 3.3, and the low end of the discharge of the chute 4.4 is opposite to the corresponding forming mechanism 5 after rotating into position, so that the material can be pressed on the corresponding forming mechanism 5 after being dropped. Figure 12 There are three groups of forming institutions 5.

[0069] In order to increase the unloading speed of the chute 4.4, a vibrator can be installed at the bottom of the chute 4.4. The vibration of the vibrator can increase the unloading speed.

[0070] like Figure 13 As shown, the forming mechanism 5 comprises a platform 5.1, with a slide rail 5.2 extending along its length. A movable material box 5.3 slides along the slide rail 5.2. The movable material box 5.3 receives the carbon powder raw material delivered by the chute 4.4. A carbon block fixture 5.4 is located at the front end of the movable material box 5.3. This fixture is used to later remove the pressed carbon blocks 5.10. A feed hole 5.5 is mounted on one end of the platform 5.1, located between the two slide rails 5.2. A plurality of extrusion heads 5.6 are located at the top of the feed hole 5.5, which are driven up and down by a first hydraulic cylinder 5.7. A plurality of ejector heads 5.8 are located at the bottom of the feed hole 5.5, which are driven to eject the carbon powder by a second hydraulic cylinder 5.9. The downward pressure of the extrusion heads 5.6 presses the carbon powder into shape, while the upward movement of the ejector heads 5.8 ejects the carbon blocks 5.10 from the feed hole 5.5.

[0071] like Figure 14As shown, the mobile material box 5.3 includes a square box body 5.3.1, which has upper and lower openings, and the lower end of the square box body 5.3.1 is in contact with the surface of the platform 5.1. The square box body 5.3.1 is equipped with running wheels 5.3.2 on the left and right sides, and the running wheels 5.3.2 are positioned and limited by the slide rail 5.2. One of the running wheels 5.3.2 is driven to rotate by a first servo motor 5.3.3. When the first servo motor 5.3.3 rotates, it can drive the square box body 5.3.1 to move back and forth. A plurality of photoelectric sensors are arranged at appropriate positions on one side of the slide rail 5.2 to monitor the position of the square box body 5.3.1 and control the square box body 5.3.1 to stop at a specified position through the controller.

[0072] like Figure 14-15 As shown, the carbon block fixture 5.4 includes left and right support plates 5.4.1, one end of each of which is fixed to the front end of the mobile material box 5.3 and can move with the movement of the mobile material box 5.3. A guide rod 5.4.2 and a screw rod 5.4.3 are provided between the left and right support plates 5.4.1. The guide rod 5.4.2 is fixedly connected to the support plate 5.4.1, and the screw rod 5.4.3 is rotatably connected to the support plate 5.4.1 and driven by a second servo motor 5.4.4. Multiple pairs of mounting plates 5.4.5 are provided at the lower ends of the guide rods 5.4.2 and screw rod 5.4.3. Each pair of mounting plates 5.4.5 has arc-shaped clamping plates 5.4.6 fixed to the opposing surfaces. The spacing between the arc-shaped clamping plates 5.4.6 is such that the carbon blocks can freely pass through the paired arc-shaped clamping plates 5.4.6 when not clamped. Two sets of connecting plates 5.4.7 are fixed on the upper end of each mounting plate 5.4.5, one set of which is slidably matched with the guide rod 5.4.2 and guided by the guide rod 5.4.2, and the other set of which is threadedly connected to the screw rod 5.4.3.

[0073] like Figure 15 As shown, there are four pairs of mounting plates 5.4.5. The connecting plate 5.4.7 on the left-hand mounting plate 5.4.5 of each pair is threadedly connected to the forward-threaded portion of the screw rod 5.4.3, while the connecting plate 5.4.7 on the right-hand mounting plate 5.4.5 of each pair is threadedly connected to the reverse-threaded portion of the screw rod 5.4.3. Because the threads rotate in opposite directions, when the motor rotates forward, the left-hand mounting plate 5.4.5 of each pair moves rightward and the right-hand mounting plate 5.4.5 of each pair moves leftward, causing the curved clamping plates 5.4.6 on each pair of mounting plates 5.4.5 to move closer together, thereby clamping the carbon block. Conversely, when the motor rotates reversely, the curved clamping plates 5.4.6 on each pair of mounting plates 5.4.5 move away from each other, thereby loosening the carbon block.

[0074] like Figure 16As shown, the extrusion head 5.6 includes a connecting rod 5.6.1, the upper end of which is connected to the mounting plate at the bottom of the first hydraulic cylinder 5.7. The lower end of the connecting rod 5.6.1 is fixed to the extrusion head mounting plate 5.6.2, which is fixed to the extrusion head mounting plate 5.6.2. The jack rod 5.6.3 is used to form a vertical through-hole in the carbon block to facilitate ventilation. The top plate 5.6.4 passes through the jack rod 5.6.3 and the upper end is connected to the guide rod 5.6.5. The guide rod 5.6.5 is sleeved with a compression spring 5.6.6. The top end of the guide rod 5.6.5 freely passes through the extrusion head mounting plate 5.6.2 and is restrained by a nut 5.6.7.

[0075] Under normal conditions, the compression spring 5.6.6 is pressed downward to position the top plate 5.6.4 below the insertion rod 5.6.3. When the extrusion head 5.6 moves downward to squeeze the carbon powder, the top plate 5.6.4 moves upward, inserting the insertion rod 5.6.3 into the carbon powder pile. When the extrusion head 5.6 moves upward, the top plate 5.6.4, under the action of the compression spring 5.6.6, pushes the carbon block out and returns to its original position, causing the insertion rod 5.6.3 to also separate from the carbon block.

[0076] like Figure 17-18 As shown, the ram 5.8 includes a push column 5.8.1, the upper end of which is located within a limiting sleeve 5.8.2 where the blanking hole 5.5 is located. A limiting spring 5.8.3 is mounted on the push column 5.8.1, which is located at the lower end of the limiting sleeve 5.8.2. A limiting block 5.8.4 is fixed to the push column 5.8.1 below the limiting spring 5.8.3. The limiting spring 5.8.3 presses the limiting block 5.8.4 against a fixed plate 5.8.5. The fixed plate 5.8.5 is fixed to the lower end of the platform 5.1 via a guide rod and a nut. The lower ends of all push columns 5.8.1 are connected to a top plate 5.8.6, below which a second hydraulic cylinder 5.9 is located.

[0077] When there is no force or the extrusion head 5.6 is pressed down, the top column 5.8.1 is always in the Figure 6 After the extrusion is completed, the second hydraulic cylinder 5.9 extends to push the top plate 5.8.6 upward, and the top plate 5.8.6 drives all the top pillars 5.8.1 to rise and push the carbon blocks out.

[0078] like Figure 19-20As shown, the transfer mechanism 6 includes a mobile base frame 6.1, with a scissor-type lifting fork frame 6.2 mounted on its upper end. The scissor-type lifting fork frame 6.2 is driven up and down by a third hydraulic cylinder 6.3 at its lower end. A mounting frame 6.4 is mounted on the top of the scissor-type lifting fork frame 6.2, with a positioning chute 6.5 mounted on the mounting frame 6.4. A corresponding material receiving box 6.6 is provided with a positioning bar 6.7 at its lower end, and a positioning chute 6.5 is also provided at its upper end. The material receiving box 6.6 and the mounting frame 6.4, as well as the material receiving box 6.6 and the other material receiving box 6.6, are both slidably engaged and positioned by the positioning chute 6.5 and the positioning bar 6.7.

[0079] like Figure 21-22 As shown, during the initial material collection, a receiving box 6.6 is placed on the mounting frame 6.4, with the inner bottom surface of the receiving box 6.6 flush with the upper end surface of the platform 5.1. This facilitates the carbon block clamp 5.4 to clamp the carbon blocks 5.10 into the receiving box 6.6 and then release it, allowing the carbon blocks 5.10 to fall into the receiving box. When the next batch of pressed carbon blocks 5.10 needs to be transferred, an empty receiving box 6.6 is placed above the loaded receiving box 6.6, and the third hydraulic cylinder 6.3 is operated simultaneously to ensure that the inner bottom surface of the empty receiving box 6.6 is flush with the upper end surface of the platform 5.1. This allows the second batch of pressed carbon blocks 5.10 to be fed in. The cycle is repeated, with an empty receiving box 6.6 placed on top of the filled receiving box 6.6 each time, and the scissor lift fork frame 6.2 is lowered to a certain height so that the inner bottom surface of the uppermost empty receiving box 6.6 is flush with the platform 5.1, thus completing the loading. When the stack of receiving boxes 6.6 on this device reaches a certain amount, another set of devices can be replaced to receive materials, and the full set of devices can be directly moved to a designated location for unloading and storage.

[0080] Working principle and process:

[0081] 1) When loading is required, charcoal is placed in the mobile trolley 1.7, the mobile trolley 1.7 is pushed to the loading mechanism 1, and the insertion rod 1.8 of the mobile trolley 1.7 is inserted into the two supporting forks 1.4 located below; then the first motor 1.14 is started, and the first motor 1.14 drives the two winding drums 1.13 to rotate, thereby realizing the winding of the hanging rope 1.11. During the winding process of the hanging rope 1.11, the left and right connecting heads 1.10 are pulled upward. Since the first roller 1.5 and the second roller 1.6 are guided by the corresponding vertical track 1.2 and the curved track 1.3, the movable trolley 1.7 moves vertically upward along the connector 1.10; when the line is wound to a suitable position, the first roller 1.5 continues to move upward along the vertical track 1.2, and the second roller 1.6 enters the curved part of the curved track 1.3. At this time, the movable trolley 1.7 tilts, and the charcoal in the movable trolley 1.7 is poured into the hopper 2.1; then the first motor 1.14 rotates in the reverse direction, the hanging rope 1.11 relaxes and gradually pays out the line, and the movable trolley 1.7 gradually returns to the vertical state in the reverse direction and moves down to the bottom by its own weight to facilitate the next loading.

[0082] 2) The crushing mechanism 2 crushes the charcoal, and the crushed carbon powder falls down into the feed port 3.2, contacts and mixes with the water mist, and then falls down. It then enters the auger body 3.1 and is transported forward by the spiral blade. During the transportation process, it is further stirred and mixed by the stirring rod 3.7, and then enters the chute 4.4. The lower end of the chute 4.4 points to one of the forming mechanisms 5. Through the vibration of the vibration motor, the raw materials on the chute 4.4 fall into the corresponding forming mechanism 5. In this device, three groups of forming mechanisms 5 are distributed in a ring. When another forming mechanism 5 needs to be loaded, the drive motor 4.6 drives the gear 4.7 to rotate, and the gear 4.7 moves along the rack ring 4.2, so that the chute 4.4 rotates a certain angle and points to the other group of forming mechanisms 5.

[0083] 3) If Figure 13 As shown, first, the mobile material box 5.3 is located on the end of the platform 5.1 away from the drop hole 5.5. There, the chute 4.4 feeds the humidified toner into the mobile material box 5.3. The mobile material box 5.3 receives the toner here and moves back and forth while receiving the toner, so that the toner falls evenly into the mobile material box 5.3. When the toner reaches a certain height, it is detected by the photoelectric sensor inside the mobile material box 5.3 and the feeding stops.

[0084] 4) If Figure 17 As shown, the mobile material box 5.3 moves toward one end of the drop hole 5.5. When it reaches the drop hole 5.5, the carbon powder in the mobile material box 5.3 enters the drop hole 5.5. Then the mobile material box 5.3 returns to continue loading and takes back a small amount of excess carbon powder.

[0085] 5) The first hydraulic cylinder 5.7 extends, driving the extrusion head 5.6 into the blanking hole 5.5. The top plate 5.6.4 squeezes the carbon powder, compacting it into a block. Simultaneously, the top plate 5.6.4, reacting to the carbon powder, moves upward, compressing the compression spring 5.6.6, exposing the insertion rod 5.6.3 and forming a socket in the carbon block 5.10. When the extrusion is complete, the first hydraulic cylinder 5.7 retracts, and the extrusion head 5.6 moves upward and gradually separates from the carbon block 5.10. As the pressure of the top plate 5.6.4 on the carbon block 5.10 gradually decreases, the compression spring 5.6.6 causes the top plate 5.6.4 to return to its original position, freeing the insertion rod 5.6.3 from the carbon block 5.10.

[0086] 6) The second hydraulic cylinder 5.9 extends, driving the multiple groups of push rods 5.8.1 upward. When the push rods 5.8.1 are flush with the upper surface of the platform 5.1, the mobile material box 5.3 moves toward the end of the drop hole 5.5 until the curved clamping plate 5.4.6 on the carbon block clamp 5.4 is aligned with the corresponding carbon block 5.10. The second servo motor 5.4.4 is activated, and the carbon block clamp 5.4 clamps the carbon block 5.10 tightly.

[0087] 7) The mobile material box 5.3 continues to move forward. When the carbon block clamp 5.4 reaches the transfer mechanism 6, the carbon block clamp 5.4 is released, and the carbon blocks 5.10 fall onto the transfer mechanism 6, facilitating transfer. At the same time, the mobile material box 5.3 is positioned at the drop hole 5.5, the second hydraulic cylinder 5.9 retracts, and the ejector head 5.8 returns to its original position under the action of the limit spring 5.8.3. This allows the mobile material box 5.3 to complete its second drop and then return.

[0088] 8) Repeat the above process, cyclically carrying out the process of cutting, pressing into blocks, clamping and transferring until completion.

Claims

1. A carbon powder precision control processing equipment for carburizing bearing steel balls, characterized by: It includes a feeding mechanism (1), a crushing mechanism (2), a conveying mechanism (3), a material distribution mechanism (4), a forming mechanism (5) and a transfer mechanism (6); The feeding mechanism (1) comprises a bracket (1.1), a vertical track (1.2) and an arc track (1.3) are fixed on both sides of the bracket (1.1), a support fork frame (1.4) is provided on the inner sides of the left and right vertical tracks (1.2) and the arc track (1.3), and a first roller (1.5) and a second roller (1.6) are installed at the front and rear of each set of support forks (1.4), wherein the first roller (1.5) is slidably arranged in the vertical track (1.2), the second roller (1.6) is slidably arranged in the arc track (1.3), and the two support forks (1.4) are externally A positioning cylinder is provided on the side, and the mobile trolley (1.7) is inserted into the positioning cylinders of the two supporting fork frames (1.4) through the insertion rod (1.8); the central axis of the first roller (1.5) passes through the positioning hole (1.9) of the vertical track (1.2) and is fixed to the connector (1.10), the connector (1.10) is connected to the suspension rope (1.11), the suspension rope (1.11) passes around the fixed pulley (1.12) at the top of the vertical track (1.2) and is wound on the winding drum (1.13) of the bracket (1.1), and the winding drum (1.13) is driven by the first motor (1.14); The crushing mechanism (2) comprises a hopper (2.1), a crushing mechanism (2.2) is provided at the lower portion of the hopper (2.1), and the crushing mechanism (2.2) is driven to rotate by a belt transmission mechanism (2.3) and a second motor (2.4); The conveying mechanism (3) includes an auger body (3.1), a feed port (3.2) of the auger body (3.1) is connected to the crushing mechanism (2), and a discharge port (3.3) of the auger body (3.1) is located above the material distribution mechanism (4); an annular liquid adding pipe (3.4) is provided on the feed port (3.2), and a plurality of nozzles (3.5) are arranged circumferentially on the annular liquid adding pipe (3.4), and the nozzles (3.5) extend into the feed port (3.2); The material distribution mechanism (4) includes a support (4.1), a rack ring (4.2) is fixed on the support (4.1), a central shaft (4.3) is rotatably mounted on the support (4.1) at the center of the rack ring (4.2), a chute (4.4) is fixed on the central shaft (4.3), a driving motor (4.6) is fixed on a support frame (4.5) at the lower end of the chute (4.4), an output end of the driving motor (4.6) is connected to a gear (4.7), and the gear (4.7) is meshed with the rack ring (4.2); The forming mechanism (5) comprises a platform (5.1), a slide rail (5.2) is provided on the platform (5.1), a movable material box (5.3) is provided on the slide rail (5.2), a carbon block clamp (5.4) is provided at the front end of the movable material box (5.3), a blanking hole (5.5) is installed at one end of the platform (5.1) between the two slide rails (5.2), a plurality of groups of extrusion heads (5.6) are provided at the upper end of the blanking hole (5.5), and the plurality of groups of extrusion heads (5.6) are driven to move up and down by a first hydraulic cylinder (5.7); a plurality of groups of ejectors (5.8) are provided at the lower end of the blanking hole (5.5), and the plurality of groups of ejectors (5.8) are driven to eject materials by a second hydraulic cylinder (5.9); The ejector head (5.8) includes an ejector column (5.8.1), the upper end of the ejector column (5.8.1) is located in a limiting sleeve (5.8.2) where the blanking hole (5.5) is located, and a limiting spring (5.8.3) is located on the lower end of the limiting sleeve (5.8.2); The extrusion head (5.6) includes a connecting rod (5.6.1), an extrusion head mounting plate (5.6.2) is provided at the lower end of the connecting rod (5.6.1), a socket rod (5.6.3) is fixed to the extrusion head mounting plate (5.6.2), a top plate (5.6.4) passes through the socket rod (5.6.3) and the upper end is connected to the guide rod (5.6.5), a compression spring (5.6.6) is sleeved on the guide rod (5.6.5), and the top end of the guide rod (5.6.5) freely passes through the extrusion head mounting plate (5.6.2) and is limited by a nut (5.6.7).

2. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1 is characterized in that: The lower portion of the arc-shaped track (1.3) is vertical, and the upper portion is curved toward one side of the hopper (2.1).

3. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1 is characterized in that: The nozzle (3.5) is of L-shaped structure, with the lower end arranged tilted downward.

4. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1 is characterized in that: A stirring rod (3.7) is threadedly connected to the shaft of the auger body (3.1).

5. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1, characterized in that: The movable material box (5.3) comprises a square box body (5.3.1), and the square box body (5.3.1) is provided with running wheels (5.3.2) on the left and right sides, wherein one of the running wheels (5.3.2) is driven to rotate by a first servo motor (5.3.3).

6. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1, characterized in that: The carbon block fixture (5.4) comprises left and right support plates (5.4.1), wherein a guide rod (5.4.2) and a screw rod (5.4.3) are provided between the left and right support plates (5.4.1), wherein the guide rod (5.4.2) is fixedly connected to the support plate (5.4.1), and the screw rod (5.4.3) is rotatably connected to the support plate (5.4.1) and driven by a second servo motor (5.4.4); a plurality of pairs of mounting plates (5.4.5) are provided at the lower ends of the guide rod (5.4.2) and the screw rod (5.4.3), and arc-shaped clamping plates (5.4.6) are provided on the opposite surfaces of each pair of mounting plates (5.4.5), and a connecting plate (5.4.7) is fixed to the upper end of each pair of mounting plates (5.4.5), and the connecting plates (5.4.7) of each pair of mounting plates (5.4.5) are driven relatively close to or away from each other by the screw rod (5.4.3).

7. The carbon powder precise amount control processing equipment for carburizing bearing steel balls according to claim 1, characterized in that: The transfer mechanism (6) comprises a mobile base frame (6.1), a scissor-type lifting fork frame (6.2) being mounted on the upper end of the mobile base frame (6.1), the scissor-type lifting fork frame (6.2) being driven to rise and fall by a third hydraulic cylinder (6.3) at the bottom; a mounting frame (6.4) is provided at the top end of the scissor-type lifting fork frame (6.2), and a material receiving box (6.6) is stacked on the mounting frame (6.4).

8. A method for carburizing a bearing steel ball using a carbon powder precision control processing device according to any one of claims 1 to 7, comprising the following steps: Step 1) When loading is required, charcoal is placed in the mobile trolley (1.7), the mobile trolley (1.7) is pushed to the loading mechanism (1), and the insertion rod (1.8) of the mobile trolley (1.7) is inserted into the two supporting forks (1.4) located below; then the first motor (1.14) is started, and the first motor (1.14) drives the two winding drums (1.13) to rotate, thereby realizing the winding of the hanging rope (1.11). During the winding process of the hanging rope (1.11), the left and right connecting heads (1.10) are pulled upward; because the first roller (1.5) and the second roller (1.6) pass through the corresponding vertical track (1.2), the arc The track (1.3) guides the movable trolley (1.7) to move vertically upward along the connector (1.10); when the line is wound to a suitable position, the first roller (1.5) continues to move upward along the vertical track (1.2), and the second roller (1.6) enters the curved portion of the arc track (1.3), at which time the movable trolley (1.7) tilts, and the charcoal in the movable trolley (1.7) is poured into the hopper (2.1); then the first motor (1.14) rotates in the reverse direction, the hanging rope (1.11) relaxes and gradually releases the line, and the movable trolley (1.7) gradually returns to the vertical state in the reverse direction and moves downward to the bottom by its own weight, so as to facilitate the next loading; Step 2), the pulverizing mechanism (2) pulverizes the charcoal, and the pulverized carbon powder falls downward into the feed port (3.2), contacts and mixes with the water mist, and then falls; the raw material mixture then enters the auger body (3.1), is transported forward by the spiral blade, and is further stirred and mixed by the stirring rod (3.7) during the transportation process, and then enters the chute (4.4); the lower end of the chute (4.4) points to one of the forming mechanisms (5), and the raw material mixture on the chute (4.4) falls into the corresponding forming mechanism (5) through vibration by the vibration motor; when the other forming mechanism (5) needs to be loaded, the drive motor (4.6) drives the gear (4.7) to rotate, and the gear (4.7) moves along the rack ring (4.2), so that the chute (4.4) rotates a certain angle and points to the other forming mechanism (5); In step 3, the material in the chute (4.4) falls into the mobile material box (5.3). When the mobile material box (5.3) receives the material, the mobile material box (5.3) is located on the platform (5.1) at one end away from the drop hole (5.5). At this location, the chute (4.4) delivers the humidified carbon powder into the mobile material box (5.3). The mobile material box (5.3) receives the material at this location and can move back and forth when receiving the material so that the carbon powder falls evenly into the mobile material box (5.3). When the raw material mixture reaches a certain height, the photoelectric sensor inside the mobile material box (5.3) detects and stops feeding. Step 4), the mobile material box (5.3) moves toward one end of the drop hole (5.5). When the mobile material box (5.3) reaches the drop hole (5.5), the carbon powder in the mobile material box (5.3) enters the drop hole (5.5); then the mobile material box (5.3) returns to continue loading and takes back a small amount of excess carbon powder; Step 5), the first hydraulic cylinder (5.7) extends to drive the extrusion head (5.6) into the blanking hole (5.5), and the top plate (5.6.4) squeezes the carbon powder to compact it into a block; at the same time, the top plate (5.6.4) is subjected to the reaction force of the carbon powder and moves the compression spring (5.6.6) upward, so that the jack rod (5.6.3) is exposed and forms a jack for the carbon block (5.10); When the extrusion is completed, the first hydraulic cylinder (5.7) retracts, and the extrusion head (5.6) moves upward and gradually separates from the carbon block (5.10). As the pressure of the top plate (5.6.4) on the carbon block (5.10) gradually decreases, the top plate (5.6.4) is reset under the action of the compression spring (5.6.6) and the jack rod (5.6.3) is separated from the carbon block (5.10); Step 6) The second hydraulic cylinder (5.9) extends, driving the multiple groups of top columns (5.8.1) to rise. When the top columns (5.8.1) are flush with the upper surface of the platform (5.1), the mobile material box (5.3) moves toward one end of the drop hole (5.5) until the arc-shaped clamping plate (5.4.6) on the carbon block clamp (5.4) is aligned with the corresponding carbon block (5.10); The second servo motor (5.4.4) is started, and the carbon block fixture (5.4) holds the carbon block (5.10); Step 7), the mobile material box (5.3) continues to move forward, and when the carbon block clamp (5.4) moves forward to the transfer mechanism (6), the carbon block clamp (5.4) is released, and the carbon block (5.10) falls onto the transfer mechanism (6); at the same time, the mobile material box (5.3) is located at the drop hole (5.5), the second hydraulic cylinder (5.9) retracts, and the head (5.8) is reset under the action of the limit spring (5.8.3); at this time, the mobile material box (5.3) can complete the second drop, and then return again; Step 8) Repeat the above process, cyclically carrying out the process of cutting, pressing into blocks, clamping and transferring until completion.

9. The method for carburizing a bearing steel ball using a carbon powder precision control processing device according to claim 8, characterized in that: In the step 8), when the transfer mechanism (6) receives the materials, the receiving boxes (6.6) are added one by one, the scissor-type lifting fork frame (6.2) is lowered step by step, and the inner bottom surface of the uppermost receiving box (6.6) is kept flush with the platform (5.1).

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