Gear machining device for forklift

Abstract

The gear machining device for the forklift belongs to the technical field of gear machining and comprises a base, a rotating mechanism is arranged in the middle of the base, a clamping mechanism is connected to the top end of the rotating mechanism, a downward pressing mechanism is arranged on the rear side of the top of the base, and transmission mechanisms are arranged on the two sides of the top of the base. The transmission mechanism comprises a fixed seat, a translation frame, a lifting plate and a mounting shaft, a transverse plate is fixedly mounted on one side of the translation frame, the transverse plate is mounted in the fixed seat in a sliding manner, and the lifting plate is mounted in the translation frame in a sliding manner. Multi-procedure collaborative operation of gear machining is achieved through integrated design, stable fixation of the interior of a gear blank is achieved through the expansion shaft dynamically adjusted through hydraulic oil pressure, synchronous operation of tooth groove cutting and tooth surface accurate grinding is achieved while the gear is rotationally machined, the machining period is remarkably shortened, and the machining efficiency is improved. A self-adaptive adjusting system arranged on the device can monitor the machining resistance in real time and dynamically adjust the power of a driving motor and the moving speed of the assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of gear processing, and particularly to a gear processing device for a forklift. Background Art

[0002] Traditional forklift gear processing generally adopts a step-by-step processing mode. After the gear blank is processed for tooth profile on a hobbing machine, it needs to be transferred to a grinding machine for tooth surface treatment. This discrete processing flow has significant efficiency bottlenecks. The multiple clamping processes are prone to cumulative positioning errors, seriously affecting the gear meshing accuracy. Most existing hobbing and grinding composite equipment adopts a fixed tool layout and cannot dynamically adjust the feed parameters according to the material characteristics. When processing high-hardness alloy gears, abnormal tool wear is likely to occur, resulting in unstable processing quality and high equipment maintenance costs.

[0003] There are obvious technical shortcomings in the synchronous control of current gear processing equipment. Most devices lack the ability to monitor the processing resistance in real time and are difficult to adjust the cutting parameters in a timely manner. Traditional clamping mechanisms rely on mechanical locking devices, which have the risk of loosening when the hydraulic system fails and cannot meet the rapid clamping requirements for gears with different apertures. Existing drive systems generally adopt an independent drive mode, and the motion coordination between the hobbing and grinding components is poor, making it difficult to achieve precise phase synchronization, resulting in uneven distribution of machining allowances. These technical defects severely restrict the processing efficiency and quality stability of high-precision transmission components such as forklift gears; therefore, we propose a gear processing device for a forklift to solve this problem. Summary of the Invention

[0004] The purpose of the present invention is to provide a gear processing device for a forklift to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: A gear processing device for a forklift, comprising: a base, a rotating mechanism is arranged in the middle of the base, the top of the rotating mechanism is connected with a clamping mechanism, and a pressing mechanism is arranged at the rear side of the top of the base. Transmission mechanisms are arranged on both sides of the top of the base. The transmission mechanism includes: a fixed seat, a translation frame, a lifting plate and a mounting shaft. A cross plate is fixedly installed on one side of the translation frame, the cross plate is slidably installed in the fixed seat, the lifting plate is slidably installed in the translation frame, an ear plate is fixedly installed on the other side of the translation frame, the mounting shaft is rotatably installed in the ear plate, and a hob gear and a grinding wheel are respectively fixedly installed on the outer sides of the two mounting shafts; A driving mechanism is provided at the bottom of the base. The driving mechanism includes: a translation plate, a fixing frame, a first driving motor, a moving frame, two rotating shafts and two connecting rods. The moving frame is slidably installed on the outside of the translation plate. A driving plate is fixedly installed at the bottom of the moving frame. Translation racks are fixedly installed on both sides of the bottom of the translation plate. A transmission gear and a rotating arm are fixedly installed on the outside of the rotating shaft. The transmission gear meshes with the top of the corresponding translation rack. A rear connecting frame is fixedly installed at the bottom end of the connecting rod. The top end of the connecting rod is fixedly connected to the corresponding lifting plate. The other end of the rotating arm is rotatably connected to a front connecting frame.

[0006] Preferably, the first driving motor is fixedly installed on one side of the fixing frame. A lead screw is fixedly installed on the output shaft of the first driving motor. The driving plate is threadedly sleeved on the outside of the lead screw. A support frame is fixedly installed at the bottom of the base. The fixing frame is fixedly installed inside the support frame. The driving plate is slidably sleeved on the outside of the fixing frame. Two vertical plates are fixedly installed at the bottom of the translation plate. First pressure sensors are fixedly installed on one side of the two vertical plates close to each other. The other ends of the two first pressure sensors respectively abut against both sides of the moving frame. A guiding cross bar is slidably installed inside the rear connecting frame. A positioning plate and a guiding vertical rod are fixedly installed inside the support frame. The guiding cross bar is slidably sleeved on the outside of the corresponding guiding vertical rod. The rotating shaft is rotatably installed inside the corresponding positioning plate. The front connecting frame is slidably sleeved on the outside of the guiding cross bar.

[0007] Preferably, a cross beam is fixedly installed on one side of the positioning plate. Guide rails are fixedly installed on both sides of the bottom of the translation plate. The guide rails are slidably installed inside the corresponding cross beam. A support seat is fixedly installed at the bottom of the fixing seat. The support seat is fixedly installed on the top of the base.

[0008] Preferably, the rotating mechanism includes: a rotating disk and a rotating motor. A rotating cylinder is fixedly installed at the bottom of the rotating disk. The rotating cylinder is rotatably installed inside the base. A driven gear is fixedly installed on the outside of the rotating cylinder. The rotating motor is fixedly installed inside the support frame. A driving gear is fixedly installed on the output shaft of the rotating motor. The driving gear meshes with the driven gear.

[0009] Preferably, the fixture includes: a swelling shaft, a rotating seat, and a first electric push rod. A circular groove and an annular swelling groove are formed at the bottom of the swelling shaft. Hydraulic oil is filled in the circular groove and the annular swelling groove. A plurality of communication holes are formed between the circular groove and the annular swelling groove. A piston plate is slidably installed in the circular groove. A fixed vertical rod is fixedly installed at the bottom of the piston plate. A connection disk is fixedly installed at the bottom end of the fixed vertical rod. A second pressure sensor is fixedly installed on the output end of the first electric push rod. A lifting cylinder is fixedly installed at the top end of the second pressure sensor. The connection disk is rotatably installed in the lifting cylinder. Side plates are fixedly installed on both sides of the lifting cylinder. A vertical rod is slidably installed in the side plates. The vertical rod and the first electric push rod are both fixedly installed in a support frame.

[0010] Preferably, the swelling shaft is fixedly installed at the top of the rotating seat. An annular cover is fixedly installed at the bottom of the rotating seat. A plurality of installation mechanisms are arranged at the outer edge of the bottom of the annular cover. The installation mechanism includes: a fastening bolt and a fastening nut. The fastening bolt penetrates through the annular cover. The fastening nut is threadedly sleeved on the outer side of the fastening bolt. A plurality of stepped grooves are formed at the top of the rotating disk. The fastening bolt is movably inserted into the corresponding stepped groove. A limiting ring is fixedly installed on the outer side of the rotating cylinder. The limiting ring is movably abutted against the bottom of the base.

[0011] Preferably, the pressing mechanism includes: an L-shaped frame, a pressing cover, and a second electric push rod. The second electric push rod is fixedly installed at the top of the L-shaped frame. The L-shaped frame is fixedly installed at the rear side of the top of the base. An adapter column is fixedly installed on the output end of the second electric push rod. The pressing cover is rotatably sleeved on the outer side of the adapter column. A controller is arranged at the top of the base.

[0012] Preferably, a second driving motor is fixedly installed on one side of the ear plate. The output shaft of the second driving motor is fixedly connected to the corresponding installation shaft. A third driving motor is fixedly installed on the front side of the fixed seat. A driving shaft is fixedly installed on the output shaft of the third driving motor. A driving gear is fixedly installed on the driving shaft. A driven rack is fixedly installed at the bottom of the cross plate. The driven rack meshes with the driving gear. Limiting strips are fixedly installed on the inner walls of the front sides of both sides of the translation frame. The lifting plate is slidably sleeved on the outer sides of the corresponding limiting strips.

[0013] The beneficial effects of the present invention are as follows: 1. In the present invention, for the gear processing device for a forklift, by placing the gear blank outside the expansion shaft and starting the first electric push rod to drive the lifting cylinder to move upward, the connecting plate, the fixed vertical rod and the piston plate are driven to move upward, thereby pressing the hydraulic oil in the circular groove and the annular expansion groove, so that the outer wall of the annular expansion groove deforms outward, and thus the gear blank can be clamped from the inside. Then, start the second electric push rod to drive the connecting column and the pressing cover to move downward, so that the pressing cover abuts against the top of the gear blank to achieve further clamping; 2. In the present invention, for the gear processing device for a forklift, by starting the rotary motor to drive the driving gear to rotate, the driving gear drives the rotating cylinder and the rotating disk to rotate through meshing with the driven gear, and then drives the gear blank efficiently; 3. In the present invention, for the gear processing device for a forklift, by starting two second driving motors to drive two mounting shafts to rotate, the rolling gear and the grinding wheel are driven to rotate. Start two third driving motors to drive two driving shafts and two driving gears to rotate. The driving gears drive the cross plate and the translation frame to move horizontally through meshing with the corresponding driven racks, so as to adjust the horizontal positions of the rolling gear and the grinding wheel. Start the first driving motor to drive the lead screw to rotate. The lead screw drives the moving frame to move left and right through threaded cooperation with the driving plate, and pushes the translation plate to move horizontally synchronously by abutting against the corresponding first pressure sensor, and drives two rotating shafts to rotate through the meshing of the translation rack and the transmission gear. And the rotating directions of the two rotating shafts are the same. The rotating shafts drive two rotating arms to rotate, and drive the guiding cross bar to move up and down reciprocally through the cooperation of the rotating arms and the front and rear connecting frames. The guiding cross bar drives two connecting rods to move up and down synchronously through the sliding cooperation with the rear connecting frame. And the guiding cross bar only provides the power for the up and down movement of the connecting rods and does not affect the left and right movement of the connecting rods themselves. Thus, two lifting plates are driven to move up and down through the two connecting rods, so that the grinding wheel and the rolling gear can move up and down while rotating, and thus the hobbing process and the grinding treatment of the tooth surface can be synchronously realized. It should be noted that in the initial stage of processing, there is no processed tooth groove aligned with the rolling gear, so the grinding wheel can not rotate and does not feed horizontally. After half a turn of the tooth groove is processed, at this time, the tooth groove processed at the beginning is aligned with the grinding wheel. By controlling the rotation and horizontal movement feed of the grinding wheel, the gear grinding process can be synchronously realized, and the rolling gear continues to process the remaining tooth grooves, thus saving the overall processing time. In the later stage of processing, after the rolling gear has completely processed the tooth grooves, the rolling gear can be controlled to move horizontally and away from the gear blank, and the rolling gear can be controlled to stop rotating, thus saving energy. And because the up and down movement directions of the two lifting plates are always different, the overall center of gravity of the two transmission mechanisms remains on the same horizontal plane, and the mass difference between the grinding wheel and the rolling gear is not large, so that when performing hobbing and gear grinding, the action of overcoming gravity is less, thus reducing the energy consumption; 4. In the present invention, for the gear processing device for a forklift, the first pressure sensor monitors the resistance received during the movement of the translation plate, and the controller adjusts the power of the first driving motor, the second driving motor, the rotating motor, and the third driving motor to meet the requirements. When the first pressure sensor detects an increase in pressure, the controller controls the reduction of the power of the first driving motor, the second driving motor, and the rotating motor, thereby reducing the vertical and horizontal movement speeds of the gear rolling wheel and the grinding wheel, and reducing the rotation speed of the gear blank, thus reducing the processing speed. At the same time, the controller controls the increase of the power of the second driving motor, thereby increasing the rotation of the mounting shaft, increasing the rotation speeds of the gear rolling wheel and the grinding wheel, and thus increasing the processing rate. 5. In the present invention, for the gear processing device for a forklift, through an integrated design, multi-process collaborative operation of gear processing is achieved. The device adopts an internal and external double clamping structure, uses a tensioning shaft with dynamically adjustable hydraulic oil pressure to fix the inside of the gear blank, and forms a stable clamping system in combination with the top pressing cover, effectively avoiding vibration and deviation during the processing. The transmission mechanism controls the compound movement of the gear rolling wheel and the grinding wheel through a linkage drive system, and realizes the synchronous operation of tooth groove cutting and tooth surface precision grinding while the gear is rotating and being processed, significantly shortening the processing cycle. Moreover, it can monitor the processing resistance in real time, dynamically adjust the power of the driving motor and the moving speed of the components, optimize the energy consumption control while ensuring the processing accuracy. The lifting balance design offsets the influence of gravity through a symmetrically arranged transmission mechanism, reducing the operating load of the equipment. The entire device takes into account the improvement of processing efficiency, the optimization of energy utilization rate, and the enhancement of equipment stability, and is especially suitable for the mass production of high-precision transmission components such as forklift gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall three-dimensional structural schematic diagram of a gear processing device for a forklift proposed by the present invention; Figure 2 is the overall sectional structural schematic diagram of a gear processing device for a forklift proposed by the present invention; Figure 3 is Figure 2 the partial enlarged view in; Figure 4 is the three-dimensional structural schematic diagram of the transmission mechanism and the driving mechanism proposed by the present invention; Figure 5 is the three-dimensional structural schematic diagram of the transmission mechanism proposed by the present invention; Figure 6 is the sectional structural schematic diagram of the transmission mechanism proposed by the present invention; Figure 7 is the partial sectional structural schematic diagram of the transmission mechanism proposed by the present invention; Figure 8 is the three-dimensional structural schematic diagram of the driving mechanism proposed by the present invention; Figure 9 is Figure 8 a partial enlarged view of part A in Figure 10 is Figure 8 a partial enlarged view of part B in Figure 11 a partial three - dimensional structural schematic diagram of the driving mechanism proposed by the present invention; Figure 12 a three - dimensional structural schematic diagram of the rotating mechanism and the clamping mechanism proposed by the present invention; Figure 13 a three - dimensional structural schematic diagram of the rotating mechanism and the clamping mechanism from another perspective proposed by the present invention; Figure 14 a sectional structural schematic diagram of the driving mechanism proposed by the present invention; Figure 15 is Figure 14 a partial enlarged view of part C in

[0015] In the figure: 1, base; 101, support frame; 2, clamping mechanism; 201, expansion shaft; 2011, circular groove; 2012, annular expansion groove; 202, rotating seat; 203, annular cover; 204, piston plate; 205, fixed vertical rod; 206, connecting plate; 207, lifting cylinder; 208, side plate; 209, vertical rod; 210, second pressure sensor; 211, first electric push rod; 3, pressing mechanism; 301, L - shaped frame; 302, second electric push rod; 303, connecting column; 304, pressing cover; 4, transmission mechanism; 401, fixed seat; 402, cross - plate; 403, translation frame; 404, lifting plate; 405, ear plate; 406, mounting shaft; 407, second driving motor; 408, third driving motor; 409, driving shaft; 410, driving gear; 411, driven rack; 412, limiting strip; 413, support seat; 5, driving mechanism; 501, connecting rod; 502, rear connecting frame; 503, guiding cross - bar; 504, guiding vertical rod; 505, rotating arm; 506, rotating shaft; 507, positioning plate; 508, transmission gear; 509, translation rack; 510, translation plate; 511, vertical plate; 512, first pressure sensor; 513, moving frame; 514, driving plate; 515, screw rod; 516, fixed frame; 517, first driving motor; 518, guide rail; 519, cross - beam; 520, front connecting frame; 6, grinding wheel; 7, rolling gear; 8, controller; 9, rotating mechanism; 901, rotating disk; 902, fastening bolt; 903, fastening nut; 904, rotating cylinder; 905, driven gear; 906, driving gear; 907, rotating motor. Detailed implementation manners

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0017] Referring to Figures 1 - 15 , a gear processing device for a forklift, comprising: a base 1, a rotating mechanism 9 is arranged in the middle of the base 1, the top end of the rotating mechanism 9 is connected with a clamping mechanism 2, and a pressing mechanism 3 is arranged at the rear side of the top of the base 1. Transmission mechanisms 4 are arranged on both sides of the top of the base 1. The transmission mechanism 4 includes: a fixed seat 401, a translation frame 403, a lifting plate 404 and a mounting shaft 406. A cross plate 402 is fixedly installed on one side of the translation frame 403, and the cross plate 402 is slidably installed in the fixed seat 401. The lifting plate 404 is slidably installed in the translation frame 403. An ear plate 405 is fixedly installed on the other side of the translation frame 403. The mounting shaft 406 is rotatably installed in the ear plate 405. A rolling gear 7 and a grinding wheel 6 are respectively fixedly installed on the outer sides of the two mounting shafts 406; A driving mechanism 5 is arranged at the bottom of the base 1. The driving mechanism 5 includes: a translation plate 510, a fixed frame 516, a first driving motor 517, a moving frame 513, two rotating shafts 506 and two connecting rods 501. The moving frame 513 is slidably installed on the outer side of the translation plate 510. A driving plate 514 is fixedly installed at the bottom of the moving frame 513. Translation racks 509 are fixedly installed on both sides of the bottom of the translation plate 510. A transmission gear 508 and a rotating arm 505 are fixedly installed on the outer side of the rotating shaft 506. The transmission gear 508 meshes with the top of the corresponding translation rack 509. A rear connecting frame 502 is fixedly installed at the bottom end of the connecting rod 501. The top end of the connecting rod 501 is fixedly connected with the corresponding lifting plate 404. The other end of the rotating arm 505 is rotatably connected with a front connecting frame 520.

[0018] In this embodiment, the first driving motor 517 is fixedly installed on one side of the fixed frame 516. A lead screw 515 is fixedly installed on the output shaft of the first driving motor 517. The driving plate 514 is threadedly sleeved on the outer side of the lead screw 515; A support frame 101 is fixedly installed at the bottom of the base 1. A fixing frame 516 is fixedly installed inside the support frame 101. A driving plate 514 is slidably sleeved outside the fixing frame 516. Two vertical plates 511 are fixedly installed at the bottom of the translation plate 510. On one side of the two vertical plates 511 close to each other, a first pressure sensor 512 is fixedly installed. The other ends of the two first pressure sensors 512 respectively abut against both sides of the moving frame 513. A guiding cross bar 503 is slidably installed inside the rear connecting frame 502. A positioning plate 507 and a guiding vertical rod 504 are fixedly installed inside the support frame 101. The guiding cross bar 503 is slidably sleeved outside the corresponding guiding vertical rod 504. A rotating shaft 506 is rotatably installed inside the corresponding positioning plate 507. The front connecting frame 520 is slidably sleeved outside the guiding cross bar 503.

[0019] In this embodiment, a cross beam 519 is fixedly installed on one side of the positioning plate 507. Guide rails 518 are fixedly installed on both sides of the bottom of the translation plate 510. The guide rails 518 are slidably installed inside the corresponding cross beam 519. A support base 413 is fixedly installed at the bottom of the fixed base 401. The support base 413 is fixedly installed on the top of the base 1.

[0020] In this embodiment, the rotating mechanism 9 includes: a rotating disk 901 and a rotating motor 907. A rotating cylinder 904 is fixedly installed at the bottom of the rotating disk 901. The rotating cylinder 904 is rotatably installed inside the base 1. A driven gear 905 is fixedly installed on the outside of the rotating cylinder 904. The rotating motor 907 is fixedly installed inside the support frame 101. A driving gear 906 is fixedly installed on the output shaft of the rotating motor 907. The driving gear 906 meshes with the driven gear 905.

[0021] In this embodiment, the fixture includes: a swelling shaft 201, a rotating seat 202 and a first electric push rod 211. A circular groove 2011 and an annular swelling groove 2012 are formed at the bottom of the swelling shaft 201. The circular groove 2011 and the annular swelling groove 2012 are filled with hydraulic oil. A plurality of communication holes are formed between the circular groove 2011 and the annular swelling groove 2012. A piston plate 204 is slidably installed inside the circular groove 2011. A fixed vertical rod 205 is fixedly installed at the bottom of the piston plate 204. A connecting disk 206 is fixedly installed at the bottom end of the fixed vertical rod 205. A second pressure sensor 210 is fixedly installed at the output end of the first electric push rod 211. A lifting cylinder 207 is fixedly installed at the top end of the second pressure sensor 210. The connecting disk 206 is rotatably installed inside the lifting cylinder 207. Side plates 208 are fixedly installed on both sides of the lifting cylinder 207. A vertical rod 209 is slidably installed inside the side plates 208. The vertical rod 209 and the first electric push rod 211 are both fixedly installed inside the support frame 101.

[0022] In this embodiment, the expansion shaft 201 is fixedly installed on the top of the rotating seat 202. A ring-shaped cover 203 is fixedly installed at the bottom of the rotating seat 202. A plurality of mounting mechanisms are arranged on the outer edge of the bottom of the ring-shaped cover 203. The mounting mechanism includes: a fastening bolt 902 and a fastening nut 903. The fastening bolt 902 penetrates through the ring-shaped cover 203, and the fastening nut 903 is threadedly sleeved on the outer side of the fastening bolt 902. A plurality of stepped grooves are formed on the top of the rotating disk 901, and the fastening bolt 902 is movably inserted into the corresponding stepped groove. A limiting ring is fixedly installed on the outer side of the rotating cylinder 904, and the limiting ring is movably abutted against the bottom of the base 1.

[0023] In this embodiment, the pressing mechanism 3 includes: an L-shaped frame 301, a pressing cover 304, and a second electric push rod 302. The second electric push rod 302 is fixedly installed on the top of the L-shaped frame 301. The L-shaped frame 301 is fixedly installed at the rear side of the top of the base 1. A connecting column 303 is fixedly installed on the output end of the second electric push rod 302. The pressing cover 304 is rotatably sleeved on the outer side of the connecting column 303. A controller 8 is arranged on the top of the base 1.

[0024] In this embodiment, a second driving motor 407 is fixedly installed on one side of the ear plate 405. The output shaft of the second driving motor 407 is fixedly connected to the corresponding mounting shaft 406. A third driving motor 408 is fixedly installed on the front side of the fixed seat 401. A driving shaft 409 is fixedly installed on the output shaft of the third driving motor 408. A driving gear 410 is fixedly installed on the driving shaft 409. A driven rack 411 is fixedly installed on the bottom of the cross plate 402. The driven rack 411 meshes with the driving gear 410. Limiting strips 412 are fixedly installed on the inner walls of the two sides of the front side of the translation frame 403. The lifting plate 404 is slidably sleeved on the outer side of the corresponding limiting strip 412.

[0025] In this embodiment, by placing the gear blank on the outer side of the expansion shaft 201 and starting the first electric push rod 211 to drive the lifting cylinder 207 to move upward, thereby driving the connecting disk 206, the fixed vertical rod 205, and the piston plate 204 to move upward, thereby pressing the hydraulic oil in the circular groove 2011 and the annular expansion groove 2012, so that the outer wall of the annular expansion groove 2012 deforms outward, thereby clamping the gear blank from the inside. Then start the second electric push rod 302 to drive the connecting column 303 and the pressing cover 304 to move downward, so that the pressing cover 304 abuts against the top of the gear blank to achieve further clamping. By starting the rotating motor 907 to drive the driving gear 906 to rotate, the driving gear 906 drives the rotating cylinder 904 and the rotating disk 901 to rotate through the meshing with the driven gear 905, thereby driving the gear blank to rotate; By starting two second drive motors 407 to drive the rotation of two mounting shafts 406, thereby driving the rotation of the hob gear 7 and the grinding wheel 6. Start two third drive motors 408 to drive the rotation of two drive shafts 409 and two drive gears 410. The drive gears 410 drive the horizontal movement of the cross plate 402 and the translation frame 403 through meshing with the corresponding driven racks 411, thereby adjusting the horizontal positions of the hob gear 7 and the grinding wheel 6. Start the first drive motor 517 to drive the rotation of the lead screw 515. The lead screw 515 drives the left and right movement of the moving frame 513 through threaded cooperation with the drive plate 514, and pushes the translation plate 510 to perform synchronous horizontal movement through abutting against the corresponding first pressure sensor 512. The translation plate 510 drives the rotation of two rotating shafts 506 through the meshing of the translation rack 509 and the transmission gear 508, and the rotation directions of the two rotating shafts 506 are the same. The rotating shafts 506 drive the rotation of two rotating arms 505, and drive the guide cross bar 503 to move up and down reciprocally through the cooperation of the rotating arms 505 and the front and rear connection frames 502. The guide cross bar 503 drives the synchronous up and down movement of two connecting rods 501 through sliding cooperation with the rear connection frame 502, and the guide cross bar 503 only provides the power for the up and down movement of the connecting rods 501 and does not affect the left and right movement of the connecting rods 501 themselves. Thus, the two lifting plates 404 are driven to move up and down through the two connecting rods 501, so that the grinding wheel 6 and the hob gear 7 can move up and down while rotating, thereby synchronously realizing hob machining and tooth surface grinding treatment. It should be noted that at the initial stage of machining, there is no machined tooth groove aligned with the hob gear 7. Therefore, the grinding wheel 6 can not rotate and does not feed horizontally. After machining half a turn of the tooth groove, at this time, the tooth groove machined at the beginning is aligned with the grinding wheel 6. By controlling the rotation and horizontal movement feed of the grinding wheel 6, gear grinding treatment can be synchronously realized, and the hob gear 7 continues to machine the remaining tooth grooves, thereby saving the overall machining time. In the later stage of machining, after the hob gear 7 has completely machined the tooth grooves, the hob gear 7 can be controlled to move horizontally and away from the gear blank, and the rotation of the hob gear 7 can be controlled to stop, thereby saving energy. And because the up and down movement directions of the two lifting plates 404 are always different, the overall center of gravity of the two transmission mechanisms 4 is maintained on the same horizontal plane, and the mass difference between the grinding wheel 6 and the hob gear 7 is not large, so that when performing hob machining and gear grinding machining, the action of overcoming gravity is less, thereby reducing energy consumption; The resistance suffered by the translation plate 510 during movement is monitored by the first pressure sensor 512, and the power of the first driving motor 517, the second driving motor 407, the rotating motor 907 and the third driving motor 408 is adjusted by the controller 8 to meet the demand. When the first pressure sensor 512 detects an increase in pressure, the controller 8 controls the power of the first driving motor 517, the second driving motor 407 and the rotating motor 907 to decrease, thereby reducing the vertical and horizontal movement speeds of the rolling gear 7 and the grinding wheel 6, and reducing the rotation speed of the gear blank, and reducing the processing speed. At the same time, the controller 8 controls the power of the second driving motor 407 to increase, so as to smoothly increase the rotation of the mounting shaft 406, making the rotation speeds of the rolling gear 7 and the grinding wheel 6 increase, thereby increasing the processing rate.

[0026] The above has introduced in detail a gear processing device for a forklift provided by the present invention. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and modifications can still be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A gear processing device for a forklift, characterized in that, Including: A base (1), a rotating mechanism (9) is arranged in the middle of the base (1), the top end of the rotating mechanism (9) is connected with a clamping mechanism (2), and a pressing mechanism (3) is arranged at the rear side of the top of the base (1). Transmission mechanisms (4) are arranged on both sides of the top of the base (1). The transmission mechanism (4) includes: a fixed seat (401), a translation frame (403), a lifting plate (404) and a mounting shaft (406). A cross plate (402) is fixedly installed on one side of the translation frame (403), the cross plate (402) is slidably installed in the fixed seat (401), the lifting plate (404) is slidably installed in the translation frame (403), an ear plate (405) is fixedly installed on the other side of the translation frame (403), the mounting shaft (406) is rotatably installed in the ear plate (405), and a rolling gear (7) and a grinding wheel (6) are respectively fixedly installed on the outer sides of the two mounting shafts (406); A driving mechanism (5) is arranged at the bottom of the base (1). The driving mechanism (5) includes: a translation plate (510), a fixed frame (516), a first driving motor (517), a moving frame (513), two rotating shafts (506) and two connecting rods (501). The moving frame (513) is slidably installed on the outer side of the translation plate (510), a driving plate (514) is fixedly installed at the bottom of the moving frame (513), translation racks (509) are fixedly installed on both sides of the bottom of the translation plate (510), a transmission gear (508) and a rotating arm (505) are fixedly installed on the outer side of the rotating shaft (506), the transmission gear (508) meshes with the top of the corresponding translation rack (509), a rear connection frame (502) is fixedly installed at the bottom end of the connecting rod (501), the top end of the connecting rod (501) is fixedly connected with the corresponding lifting plate (404), and the other end of the rotating arm (505) is rotatably connected with a front connection frame (520).

2. The gear processing device for forklifts according to claim 1, characterized in that, The first driving motor (517) is fixedly installed on one side of the fixed frame (516), a lead screw (515) is fixedly installed on the output shaft of the first driving motor (517), and the driving plate (514) is threadedly sleeved on the outer side of the lead screw (515); A support frame (101) is fixedly installed at the bottom of the base (1). The fixing frame (516) is fixedly installed inside the support frame (101). The driving plate (514) is slidably sleeved outside the fixing frame (516). Two vertical plates (511) are fixedly installed at the bottom of the translation plate (510). A first pressure sensor (512) is fixedly installed on each side of the two vertical plates (511) close to each other. The other ends of the two first pressure sensors (512) are respectively abutted against both sides of the moving frame (513). A guiding cross bar (503) is slidably installed inside the rear connection frame (502). A positioning plate (507) and a guiding vertical rod (504) are fixedly installed inside the support frame (101). The guiding cross bar (503) is slidably sleeved outside the corresponding guiding vertical rod (504). The rotating shaft (506) is rotatably installed inside the corresponding positioning plate (507). The front connection frame (520) is slidably sleeved outside the guiding cross bar (503).

3. The gear processing device for a forklift according to claim 2, characterized in that, A cross beam (519) is fixedly installed on one side of the positioning plate (507). Guide rails (518) are fixedly installed on both sides of the bottom of the translation plate (510). The guide rails (518) are slidably installed inside the corresponding cross beams (519). A support base (413) is fixedly installed at the bottom of the fixing base (401). The support base (413) is fixedly installed on the top of the base (1).

4. The gear processing device for a forklift according to claim 1, characterized in that, The rotating mechanism (9) includes: a rotating disk (901) and a rotating motor (907). A rotating cylinder (904) is fixedly installed at the bottom of the rotating disk (901). The rotating cylinder (904) is rotatably installed inside the base (1). A driven gear (905) is fixedly installed on the outside of the rotating cylinder (904). The rotating motor (907) is fixedly installed inside the support frame (101). A driving gear (906) is fixedly installed on the output shaft of the rotating motor (907). The driving gear (906) meshes with the driven gear (905).

5. The gear processing device for forklift trucks according to claim 4, characterized in that, The fixture includes: a tensioning shaft (201), a rotating seat (202), and a first electric push rod (211). A circular groove (2011) and an annular tensioning groove (2012) are formed at the bottom of the tensioning shaft (201). The circular groove (2011) and the annular tensioning groove (2012) are filled with hydraulic oil. A plurality of communication holes are formed between the circular groove (2011) and the annular tensioning groove (2012). A piston plate (204) is slidably installed in the circular groove (2011). A fixed vertical rod (205) is fixedly installed at the bottom of the piston plate (204). A connection disk (206) is fixedly installed at the bottom end of the fixed vertical rod (205). A second pressure sensor (210) is fixedly installed at the output end of the first electric push rod (211). A lifting cylinder (207) is fixedly installed at the top end of the second pressure sensor (210). The connection disk (206) is rotatably installed in the lifting cylinder (207). Side plates (208) are fixedly installed on both sides of the lifting cylinder (207). A vertical rod (209) is slidably installed in the side plates (208). The vertical rod (209) and the first electric push rod (211) are both fixedly installed in the support frame (101).

6. The gear processing device for a forklift according to claim 5, characterized in that, The tensioning shaft (201) is fixedly installed at the top of the rotating seat (202). An annular cover (203) is fixedly installed at the bottom of the rotating seat (202). A plurality of installation mechanisms are arranged at the outer edge of the bottom of the annular cover (203). The installation mechanism includes: a fastening bolt (902) and a fastening nut (903). The fastening bolt (902) passes through the annular cover (203). The fastening nut (903) is threadedly sleeved on the outer side of the fastening bolt (902). A plurality of stepped grooves are formed at the top of the rotating disk (901). The fastening bolt (902) is movably inserted into the corresponding stepped groove. A limiting ring is fixedly installed on the outer side of the rotating cylinder (904). The limiting ring is movably abutted against the bottom of the base (1).

7. The gear processing device for forklift trucks according to claim 1, wherein, The pressing mechanism (3) includes: an L-shaped frame (301), a pressing cover (304), and a second electric push rod (302). The second electric push rod (302) is fixedly installed at the top of the L-shaped frame (301). The L-shaped frame (301) is fixedly installed at the rear side of the top of the base (1). An adapter column (303) is fixedly installed at the output end of the second electric push rod (302). The pressing cover (304) is rotatably sleeved on the outer side of the adapter column (303). A controller (8) is arranged at the top of the base (1).

8. The gear processing device for forklift trucks according to claim 1, characterized in that, On one side of the ear plate (405), a second driving motor (407) is fixedly installed. The output shaft of the second driving motor (407) is fixedly connected to the corresponding mounting shaft (406). On the front side of the fixed seat (401), a third driving motor (408) is fixedly installed. A driving shaft (409) is fixedly installed on the output shaft of the third driving motor (408). A driving gear (410) is fixedly installed on the driving shaft (409). A driven rack (411) is fixedly installed at the bottom of the cross plate (402). The driven rack (411) meshes with the driving gear (410). On both inner walls on the front side of the translation frame (403), limiting bars (412) are fixedly installed. The lifting plate (404) is slidably sleeved on the outer sides of the corresponding limiting bars (412).

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