Gear shaft grinding tool

Abstract

The application discloses a gear shaft grinding tool, which comprises a standard shaft and a shaft to be processed, and further comprises a base, a reference device, a grinding device, an adjusting device and a driving device; the reference device comprises a lifting seat, a positioning press roller and a positioning carrier roller; the grinding device comprises a lifting frame, a grinding piece, a driven carrier roller and a driving carrier roller; the application has the following advantages: 1. The shaft to be processed is ground at the position of the grinding device, and the grinding amount of the shaft to be processed can be controlled through cooperation of the standard shaft and the reference device, so that automatic size control can be realized; 2. The shaft to be processed can be ground after being placed on the driven carrier roller and the driving carrier roller, and compared with the prior art, the grinding tool does not need frequent fixing and contact fixing operations, and the processing convenience is improved; 3. Since multiple grinding devices are arranged, the application can grind multiple shafts to be processed at a time, so that the production efficiency is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of planetary gear reducer processing technology, and specifically to a gear shaft grinding fixture. Background Technology

[0002] Planetary gear reducers are used to match speeds and transmit torque between prime movers and working machines or actuators. They are widely used in modern machinery. A planetary gear reducer generally includes a sun gear and planetary gears evenly distributed around the outer circumference of the sun gear via a planet carrier. The planetary gears are rotatably connected to the planet carrier via gear shafts. The gear shafts are generally integrally formed by casting. After casting, the gear shafts may have some defects such as burrs, protrusions, or pits. After casting, they need to be ground to make them consistent with standard dimensions.

[0003] Chinese patent application number CN202122774376.6 discloses a gear shaft grinding device for manufacturing a gear reducer motor. This patent uses a first clamping mechanism and a second clamping mechanism to fix the gear shaft, then a main motor drives the gear shaft to rotate, and a grinding mechanism performs grinding on the gear shaft. This invention has at least the following drawbacks:

[0004] Firstly, during grinding, the amount of grinding cannot be controlled. Measuring tools are frequently needed to measure the ground gear shaft to ensure that its dimensions meet the standard, causing inconvenience in the process.

[0005] Secondly, the gear shaft is fixed by the first clamping mechanism and the second clamping mechanism. During the processing, the amount of work involved in fixing and unfixing is relatively large.

[0006] Third, during gear shaft machining, only one gear shaft can be machined at a time, resulting in low machining efficiency. Summary of the Invention

[0007] To solve the above problems, the present invention provides a gear shaft grinding fixture, which is achieved through the following technical solution.

[0008] A gear shaft grinding fixture includes a standard shaft and a shaft to be processed, and further includes:

[0009] The base has support plates symmetrically fixed to its upper surface, and the support plates have horizontally and evenly spaced lifting grooves.

[0010] The reference device includes a lifting seat, a positioning pressure roller, and a positioning support roller. The lifting seat is slidably connected in the rightmost lifting groove, and a first connecting rod is fixed between the lifting seats. A hanging seat is fixed below the lifting seat by a hanging rod. The positioning pressure roller is rotatably connected between the hanging seats, and the positioning support roller is rotatably connected between the support plates. The positioning support roller is located below the positioning pressure roller and is symmetrically arranged on the left and right sides of the positioning pressure roller.

[0011] A grinding device is provided, which is horizontally and evenly arranged on the left side of the reference device. The grinding device includes a lifting frame, a grinding component, a driven roller, and a driven roller. The lifting frame is slidably connected in a lifting groove. A second connecting rod is fixed between the lifting frames. A hanging frame is slidably connected below the lifting frame. A sleeve is fixedly connected to the upper surface of the hanging frame. A sliding column is slidably connected inside the sleeve. A sliding rod is fixedly connected to the upper surface of the sliding column. The sliding rod is slidably connected to the top plate of the sleeve, and the top of the sliding rod is slidably connected to the lifting frame. A push spring is sleeved on the outside of the sliding rod and the sleeve. The grinding component is rotatably connected between the hanging frames. The driven roller and the driven roller are rotatably connected between the support plates and located below the grinding component. The driven roller and the driven roller are symmetrically arranged on the left and right sides of the grinding component.

[0012] An adjusting device for adjusting the vertical height of the lifting seat and the lifting frame;

[0013] A drive unit is used to drive the grinding workpiece and the active idler roller to rotate.

[0014] Preferably, the grinding component includes a mounting roller, a grinding seat, and a mounting sleeve; the mounting roller is rotatably connected between the hanging frames via a first rotating shaft, and mounting grooves are evenly distributed around the circumference of the roller surface of the mounting roller. The grinding seat is located within the mounting grooves, and the mounting sleeve is fitted onto the front and rear ends of the mounting roller. The inner wall of the mounting sleeve and the outer wall of the mounting roller are provided with mutually compatible external and internal threads. The side of the grinding seat away from the center of the mounting roller is an arc-shaped surface, and the radius of rotation of the arc-shaped surface is equal to the inner diameter of the mounting sleeve.

[0015] Preferably, when the sliding column contacts the top plate of the sleeve, the push spring is in its natural state, and at this time the height of the grinding part is the same as the height of the positioning pressure roller, and the inner diameter of the mounting sleeve is equal to the diameter of the positioning pressure roller.

[0016] Preferably, the positioning roller, driven roller, and driving roller all have limit grooves on their roller surfaces.

[0017] Preferably, the adjusting device includes an adjusting screw and an adjusting shaft. An adjusting frame is fixedly connected to the upper surface of the rear support plate. An adjusting groove is provided on the left side of the lifting groove. The adjusting screw is rotatably connected in the adjusting groove. The top of the adjusting screw extends into the adjusting frame and is fixedly connected to a first driven bevel gear. The adjusting shaft is rotatably connected between the left and right side plates of the adjusting frame. A knob is fixedly connected to the right end of the adjusting shaft. A first driving bevel gear that meshes with the first driven bevel gear is fixedly connected to the adjusting shaft. An adjusting plate is fixedly connected to the left side of the lifting seat and the lifting frame. The adjusting plate is slidably connected in the adjusting groove. The adjusting plate meshes with the adjusting screw through a centrally fixed threaded sleeve.

[0018] Preferably, the driving device includes a sleeve, a rod, a drive shaft, a motor, and a tensioning wheel; the head of the first rotating shaft extends into the lifting frame and is fixedly connected to a second driven bevel gear; the sleeve is rotatably connected to the top plate of the lifting frame; the bottom of the sleeve is fixedly connected to a second driving bevel gear meshing with the second driven bevel gear; a guide groove is provided on the inner wall of the sleeve; the rod is rotatably connected to the bottom plate of the lifting frame and inserted into the sleeve; a guide plate adapted to the guide groove is fixedly connected to the outer wall of the rod; a third driven bevel gear is fixedly connected to the top of the rod; the drive shaft is rotatably connected to the lifting frame; a third driving bevel gear meshing with the third driven bevel gear is fixedly connected to the drive shaft; a driven wheel is fixedly connected to the front end of the drive shaft; a drive chamber is fixedly connected to the lower part of the inner wall of the front support plate; and a rotating wheel is also fixed to the lower part of the front support plate. A shaft corresponding to the driven wheel is dynamically connected. A fourth driven bevel gear is fixedly connected to the rear end of the shaft, and a drive wheel is fixedly connected to the front end of the shaft. An output shaft is rotatably connected between the left and right side plates of the drive chamber. A fourth driving bevel gear meshing with the fourth driven bevel gear is fixedly connected to the output shaft. The motor is fixedly connected to the inner wall of the front support plate. The motor's power shaft is connected to the output shaft. A track groove is opened on the outer wall of the front support plate. A track rod is fixedly connected in the track groove. A track block is also provided in the track groove and slidably connected to the track rod. A tension spring is sleeved on the track rod on the right side of the track block. When the track block contacts the left side of the track groove, the tension spring is in its natural state. The tension wheel is rotatably connected to the front side of the track block. The tension wheel, driven wheel, and drive wheel are linked by a first belt.

[0019] Preferably, the active idler roller is rotatably connected between the support plates via a second rotating shaft that is symmetrically arranged front and rear. A first transmission wheel is fixedly connected to the front end of the second rotating shaft, and a second transmission wheel is fixedly connected to the shaft. The first transmission wheel and the second transmission wheel are linked by a second belt.

[0020] Preferably, a collection frame is fixedly connected between the support plates, and a pair of active and passive rollers are located inside the collection frame. An opening is provided on the right side of the collection frame, and a drawer plate corresponding to the opening is also included. A handle and a mounting frame are fixedly connected to both sides of the drawer plate, and a connecting mesh is fixedly connected inside the mounting frame. Connecting grooves are provided on the front and rear sides of the mounting frame and the drawer plate, and connecting plates adapted to the connecting grooves are fixedly connected to the inner walls of the front and rear support plates.

[0021] Preferably, a transmission chamber corresponding to the collection frame is fixedly connected to the rear side of the drive chamber. A transmission shaft is rotatably connected inside the transmission chamber. A transmission bevel gear meshing with a fourth driving bevel gear is fixedly connected to the front end of the transmission shaft. A wind duct is fixedly connected to the bottom plate of the collection frame. A rotating seat is fixedly connected to the wind duct through a support rod. A wind shaft is rotatably connected between the rotating seat and the transmission chamber. A fan blade assembly is fixedly connected to the wind shaft inside the wind duct. A fifth driven bevel gear is fixedly connected to the bottom of the wind shaft. A fifth driving bevel gear meshing with the fifth driven bevel gear is fixedly connected to the transmission shaft.

[0022] The beneficial effects of this invention are as follows:

[0023] 1. The shaft to be processed is ground at the position of the grinding device. During this process, the grinding amount of the shaft to be processed can be controlled by the cooperation of the standard shaft and the reference device, so that the size of the shaft to be processed after grinding is consistent with the standard shaft. This enables automated size control and makes the grinding process of the shaft to be processed more convenient.

[0024] 2. Grinding can be performed by placing the shaft to be processed on the driven roller and the driving roller. Compared with the existing technology, it eliminates the need for frequent fixing and contact fixing operations, thus improving the convenience of processing.

[0025] 3. Because it is equipped with multiple grinding devices, this application can perform grinding processing on multiple shafts at a time, thereby greatly improving production efficiency. Attached Figure Description

[0026] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 : An isometric view of a gear shaft grinding fixture according to the present invention;

[0028] Figure 2 This is a three-dimensional schematic diagram of a gear shaft grinding fixture for removing the front support plate and the collection frame according to the present invention.

[0029] Figure 3: A schematic diagram of the power transmission of the drive device described in this invention;

[0030] Figure 4 : A partial transverse sectional view of the grinding apparatus described in this invention;

[0031] Figure 5 : A longitudinal sectional view of the grinding apparatus described in this invention;

[0032] Figure 6 : Figure 5 A magnified view of section I shown;

[0033] Figure 7 : Figure 5 A magnified view of section II shown;

[0034] Figure 8 : A schematic diagram of the connection between the sleeve and the rod described in this invention;

[0035] Figure 9 A partial transverse sectional view of the reference device described in this invention;

[0036] Figure 10 : A longitudinal sectional view of the reference device described in this invention;

[0037] Figure 11 A partial schematic diagram of the adjusting device described in this invention;

[0038] Figure 12 : Figure 11 A magnified view of section III shown;

[0039] Figure 13 : A cross-sectional view of the location of the drive compartment described in this invention;

[0040] Figure 14 : A cross-sectional view of the grinding part described in this invention;

[0041] Figure 15 : A three-dimensional schematic diagram of the grinding part described in this invention;

[0042] Figure 16 : Exploded view of the grinding part described in this invention;

[0043] Figure 17 : An installation diagram of the collection frame described in this invention;

[0044] Figure 18 : A schematic diagram of the installation of the network connection described in this invention.

[0045] The attached figures are labeled as follows:

[0046] A - Standard shaft, B - Shaft to be machined, C - Limit groove

[0047] 1-Base, 11-Support plate, 12-Lifting slot,

[0048] 2-Reference device, 21-Lifting seat, 22-Positioning pressure roller, 23-Positioning support roller, 24-First connecting rod, 25-Hanging rod, 26-Hanging seat,

[0049] 3-Grinding device; 31-Lifting frame; 32-Grinding part; 321-Mounting roller; 322-Grinding seat; 323-Mounting sleeve; 324-First rotating shaft; 325-Mounting groove; 326-External thread; 327-Internal thread; 33-Driven idler roller; 34-Driving idler roller; 35-Second connecting rod; 36-Hanging frame; 37-Sleeve; 38-Sliding column; 39-Sliding rod; 310-Push-down spring.

[0050] 41-Adjusting screw, 42-Adjusting shaft, 43-Adjusting frame, 44-Adjusting groove, 45-First driven bevel gear, 46-First driving bevel gear, 47-Adjusting plate,

[0051] 51-Sleeve, 52-Pin rod, 53-Drive shaft, 54-Motor, 55-Tension wheel, 56-Second driven bevel gear, 57-Second driving bevel gear, 58-Guide groove, 59-Guide plate, 510-Third driven bevel gear, 511-Third driving bevel gear, 512-Driven wheel, 513-Drive compartment, 514-Shaft, 515-Fourth driven bevel gear, 516-Drive wheel, 517-Output shaft, 518-Fourth driving bevel gear, 519-Railway groove, 520-Railway rod, 521-Railway block, 522-Tension spring, 523-First belt, 524-Second rotating shaft, 525-First transmission wheel, 526-Second transmission wheel, 527-Second belt

[0052] 61-Collection frame, 62-Opening, 63-Drawer panel, 64-Mounting frame, 65-Connecting mesh, 66-Connecting groove, 67-Connecting plate, 68-Transmission compartment, 69-Transmission shaft, 610-Transmission bevel gear, 611-Air duct, 612-Rotating base, 613-Air shaft, 614-Fan blade assembly, 615-Fifth driven bevel gear, 616-Fifth driving bevel gear. Detailed Implementation

[0053] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0054] like Figure 1-18 As shown, the present invention has the following specific embodiments. Example

[0055] A gear shaft grinding fixture includes a standard shaft A and a shaft B to be processed, and further includes:

[0056] The base 1 has a support plate 11 symmetrically fixed to its upper surface. The support plate 11 has a lifting groove 12 evenly opened horizontally.

[0057] The reference device 2 includes a lifting seat 21, a positioning pressure roller 22, and a positioning support roller 23. The lifting seat 21 is slidably connected in the rightmost lifting groove 12. A first connecting rod 24 is fixedly connected between the lifting seats 21. A hanging seat 26 is fixedly connected below the lifting seat 21 through a hanging rod 25. The positioning pressure roller 22 is rotatably connected between the hanging seats 26. The positioning support roller 23 is rotatably connected between the support plates 11. The positioning support roller 23 is located below the positioning pressure roller 22 and is symmetrically arranged on the left and right sides of the positioning pressure roller 22.

[0058] Grinding device 3 is horizontally and evenly arranged on the left side of reference device 2. Grinding device 3 includes lifting frame 31, grinding part 32, driven roller 33 and driving roller 34. Lifting frame 31 is slidably connected in lifting groove 12. Second connecting rod 35 is fixedly connected between lifting frames 31. Hanging frame 36 is slidably connected below lifting frame 31. Sleeve 37 is fixedly connected to the upper surface of hanging frame 36. Sliding column 38 is slidably connected inside sleeve 37. The upper surface of sliding column 38 is... A slide rod 39 is fixedly connected to the top plate of the sleeve 37, and the top of the slide rod 39 is slidably connected to the lifting frame 31. A push spring 310 is sleeved on the outside of the slide rod 39 and the sleeve 37. The grinding part 32 is rotatably connected between the hanging frame 36. The driven roller 33 and the active roller 34 are rotatably connected between the support plate 11 and located below the grinding part 32. The driven roller 33 and the active roller 34 are symmetrically arranged on the left and right sides of the grinding part 32.

[0059] An adjustment device is used to adjust the vertical height of the lifting seat 21 and the lifting frame 31;

[0060] The drive unit is used to drive the grinding workpiece 32 and the active idler roller 34 to rotate.

[0061] Furthermore, the grinding component 32 includes a mounting roller 321, a grinding seat 322, and a mounting sleeve 323. The mounting roller 321 is rotatably connected to the hanging frame 36 via a first rotating shaft 324. The mounting roller 321 has mounting grooves 325 evenly distributed around its circumference. The grinding seat 322 is located within the mounting grooves 325. The mounting sleeve 323 is fitted onto the front and rear ends of the mounting roller 321. The inner wall of the mounting sleeve 323 and the outer wall of the mounting roller 321 are provided with mutually compatible external threads 326 and internal threads 327. The side of the grinding seat 322 away from the center of the mounting roller 321 is an arc-shaped surface, and the radius of rotation of the arc-shaped surface is equal to the inner diameter of the mounting sleeve 323.

[0062] Furthermore, when the sliding column 38 contacts the top plate of the sleeve 37, the push spring 310 is in its natural state, and at this time the height of the grinding part 32 is the same as the height of the positioning pressure roller 22, and the inner diameter of the mounting sleeve 323 is equal to the diameter of the positioning pressure roller 22.

[0063] In this embodiment:

[0064] like Figure 14-16 As shown, the grinding seat 322 in this application can be easily disassembled and installed, so that the worn grinding seat 322 can be replaced. When installing and replacing the grinding seat 322, first rotate the mounting sleeve 323 to move it away from the center of the mounting roller 321. The position of the mounting sleeve 323 is offset from the mounting groove 325. Place the grinding seat 322 in the mounting groove 325. Then rotate the mounting sleeve 323 in the opposite direction so that the head of the mounting sleeve 323 partially overlaps with the grinding seat 322, thereby fixing the grinding seat 322. After the grinding seat 322 is installed, the processing operation can be performed.

[0065] like Figure 9-10 As shown, the standard shaft A is placed on two positioning rollers 23, as... Figure 4-5 As shown, the shaft B to be processed is placed on the driven roller 33 and the driving roller 34. The vertical height of the lifting seat 21 and the lifting frame 31 can be adjusted by the adjusting device.

[0066] It should be noted that the standard shaft A in this application can be set to a series of multiple different sizes, so as to adapt to the different machining size requirements of the shaft B to be machined.

[0067] like Figure 9 As shown, when the lifting seat 21 descends, it drives the hanging seat 26 and the positioning pressure roller 22 to descend until the positioning pressure roller 22 contacts the standard shaft A, thus fixing the position of the positioning pressure roller 22 and the standard shaft A.

[0068] like Figure 4 As shown, when the lifting frame 31 descends, it drives the hanging frame 36 and the grinding part 32 to descend as well. Figure 12 As shown, since the size of the shaft B to be processed is generally larger than the size of the standard shaft A, and when the sliding column 38 contacts the top plate of the sleeve 37, the push spring 310 is in its natural state. At this time, the height of the grinding part 32 is the same as the height of the positioning pressure roller 22, and the inner diameter of the mounting sleeve 323 is equal to the diameter of the positioning pressure roller 22.

[0069] Before the positioning roller 22 contacts the standard shaft A, the grinding part 32 has already contacted the shaft B to be processed. As the positioning roller 22 continues to descend, the positions of the grinding part 32 and the lifting frame 36 remain unchanged. As the lifting frame 31 continues to descend, the sliding column 38 and the sliding rod 39 move downward, and the push spring 310 is compressed until the positioning roller 22 contacts the standard shaft A.

[0070] The grinding workpiece 32 and the active roller 34 are driven to rotate by the drive device. Under the action of friction, the shaft B to be processed rotates and is ground by the grinding seat 322. As the grinding amount increases, the grinding workpiece 32 descends and is always in contact with the shaft B to be processed under the action of gravity of the grinding workpiece 32 and the release of the push spring 310. When the slide column 38 contacts the top plate of the sleeve 37, the height of the grinding workpiece 32 is consistent with the height of the positioning pressure roller 22, which means that the size of the shaft B to be processed is consistent with the standard shaft A, and the grinding of the shaft B to be processed is completed.

[0071] During grinding, the grinding amount of the shaft to be processed, B, can be controlled through the standard shaft A, so that the dimensions of the shaft to be processed, B, after grinding are consistent with those of the standard shaft A, thereby achieving automated dimension control. The shaft to be processed, B, can be placed on the driven roller 33 and the driving roller 34 for grinding, without the need for frequent fixing and contact fixing operations. Since multiple grinding devices 3 are provided, this application can perform grinding of multiple shafts to be processed, B, at a time, thereby greatly improving production efficiency.

[0072] As a further embodiment of this example, the positioning roller 23, the driven roller 33 and the driving roller 34 are all provided with limit grooves C on their roller surfaces.

[0073] In this implementation:

[0074] like Figure 3 and 10 As shown, due to the presence of a limiting groove C, the standard shaft A and the shaft to be processed B can be confined to the position of the limiting groove C after placement.

[0075] As a further embodiment of this invention, the adjustment device includes an adjustment screw 41 and an adjustment shaft 42. An adjustment frame 43 is fixedly connected to the upper surface of the rear support plate 11. An adjustment groove 44 is provided on the left side of the lifting groove 12. The adjustment screw 41 is rotatably connected in the adjustment groove 44. The top of the adjustment screw 41 extends into the adjustment frame 43 and is fixedly connected to a first driven bevel gear 45. The adjustment shaft 42 is rotatably connected between the left and right side plates of the adjustment frame 43. A knob is fixedly connected to the right end of the adjustment shaft 42. A first driving bevel gear 46 that meshes with the first driven bevel gear 45 is fixedly connected to the adjustment shaft 42. An adjustment plate 47 is fixedly connected to the left side of the lifting seat 21 and the lifting frame 31. The adjustment plate 47 is slidably connected in the adjustment groove 44. The adjustment plate 47 meshes with the adjustment screw 41 through a centrally fixed threaded sleeve.

[0076] In this implementation:

[0077] like Figure 11As shown, the adjustment shaft 42 and the first active bevel gear 46 fixed thereon can be driven to rotate by the knob, and the first driven bevel gear 45 meshing with it can rotate, thereby rotating the adjustment screw 41. Since the adjustment plate 47 is fixedly connected to the lifting seat 21 or the lifting frame 31, and the adjustment plate 47 is meshed with the adjustment screw 41 through the threaded sleeve, the rotation of the adjustment screw 41 can drive the lifting seat 21 and each lifting frame 31 to move up and down. Example

[0078] The drive unit includes a sleeve 51, a rod 52, a drive shaft 53, a motor 54, and a tension wheel 55. The head of the first rotating shaft 324 extends into the lifting frame 36 and is fixedly connected to a second driven bevel gear 56. The sleeve 51 is rotatably connected to the top plate of the lifting frame 36. The bottom of the sleeve 51 is fixedly connected to a second driving bevel gear 57 that meshes with the second driven bevel gear 56. A guide groove 58 is provided on the inner wall of the sleeve 51. The rod 52 is rotatably connected to the bottom plate of the lifting frame 31 and is inserted into the sleeve 51. Inside, a guide plate 59 adapted to the guide groove 58 is fixedly connected to the outer wall of the insertion rod 52. A third driven bevel gear 510 is fixedly connected to the top of the insertion rod 52. The drive shaft 53 is rotatably connected to the lifting frame 31. A third driving bevel gear 511 meshing with the third driven bevel gear 510 is fixedly connected to the drive shaft 53. A driven wheel 512 is fixedly connected to the front end of the drive shaft 53. A drive chamber 513 is fixedly connected to the lower part of the inner wall of the front support plate 11. A drive wheel 512 is also rotatably connected to the lower part of the front support plate 11. The corresponding shaft 514 has a fourth driven bevel gear 515 fixedly connected to its rear end, and a drive wheel 516 fixedly connected to its front end. An output shaft 517 is rotatably connected between the left and right side plates of the drive chamber 513. A fourth driving bevel gear 518, which meshes with the fourth driven bevel gear 515, is fixedly connected to the output shaft 517. The motor 54 is fixedly connected to the inner wall of the front support plate 11, and the power shaft of the motor 54 is connected to the output shaft 517. A track groove is provided on the outer wall of the front support plate 11. 519, a track rod 520 is fixedly connected in the track groove 519, and a track block 521 is also provided in the track groove 519 and slidably connected to the track rod 520. A tension spring 522 is sleeved on the track rod 520 on the right side of the track block 521. When the track block 521 contacts the left side of the track groove 519, the tension spring 522 is in the natural state. The tension wheel 55 is rotatably connected to the front side of the track block 521. The tension wheel 55, the driven wheel 512 and the drive wheel 516 are linked together by the first belt 523.

[0079] In this embodiment:

[0080] To achieve reliable driving of the grinding workpiece 32, this embodiment discloses the technical features of the driving device.

[0081] like Figure 13As shown, the motor 54 drives the output shaft 517 and the fourth driving bevel gear 518 fixed thereon to rotate, and the fourth driven bevel gear 515 meshing with it rotates, thereby causing the shaft 514 and the drive wheel 516 to rotate, as shown. Figure 3 As shown, under the action of the first belt 523, the driven wheel 512 and the drive shaft 53 rotate, as... Figure 5 and 7 As shown, the third driving bevel gear 511, which is fixed to the drive shaft 53, rotates, and the third driven bevel gear 510, which meshes with it, rotates, thereby causing the insert rod 52 and the insert sleeve 51 to rotate. The second driving bevel gear 57, which is fixed to the bottom of the insert sleeve 51, rotates, and the second driven bevel gear 56, which meshes with it, rotates, thereby causing the grinding workpiece 32 to rotate.

[0082] Since the lifting frame 31 can be adjusted up and down, the first belt 523 may become loose during this process. To prevent the first belt 523 from becoming loose, this application discloses a tensioning wheel 55, such as... Figure 3 As shown, when the track block 521 contacts the left side of the track groove 519, the tension spring 522 is in its natural state. Therefore, when the track block 521 does not contact the left side of the track groove 519, the tension spring 522 is always in a compressed state, that is, it always has a pushing force on the track block 521 to the left. When the lifting frame 31 moves up and down, it drives the driven wheel 512 to move, and the tension spring 522 causes the tension wheel 55 to push to the left, so that the first belt 523 is always in a tensioned state.

[0083] like Figure 7 and 8 As shown, since the relative positions of the hanging frame 36 and the lifting frame 31 are not fixed, when their relative positions change, the insert rod 52 moves inside the insert sleeve 51. Under the action of the guide groove 58 and the guide plate 59, the insert sleeve 51 and the insert rod 52 always rotate synchronously, so that the power of the third driving bevel gear 511 can be reliably transmitted to the second driven bevel gear 56.

[0084] As a further embodiment of this example, the active roller 34 is rotatably connected between the support plates 11 via a second rotating shaft 524 that is symmetrically arranged front and rear. A first transmission wheel 525 is fixedly connected to the front end of the second rotating shaft 524, and a second transmission wheel 526 is fixedly connected to the shaft 514. The first transmission wheel 525 and the second transmission wheel 526 are linked together by a second belt 527.

[0085] In this implementation:

[0086] like Figure 1-3 As shown, the second transmission wheel 526 rotates synchronously with the shaft 514. Under the action of the second belt 527, the first transmission wheel 525 and the active roller 34 rotate synchronously. The active roller 34 and the grinding workpiece 32 rotate in the same direction, that is, the friction between the two and the shaft B to be processed jointly drives the shaft B to be processed to rotate. Example

[0087] A collection frame 61 is fixedly connected between the support plates 11. A pair of active rollers 34 and driven rollers 33 are located inside the collection frame 61. An opening 62 is provided on the right side of the collection frame 61. It also includes a drawer plate 63 corresponding to the opening 62. A handle and a mounting frame 64 are fixedly connected to both sides of the drawer plate 63. A mesh 65 is fixedly connected inside the mounting frame 64. Connecting grooves 66 are provided on the front and rear sides of the mounting frame 64 and the drawer plate 63. Connecting plates 67 that are adapted to the connecting grooves 66 are fixedly connected to the inner walls of the front and rear support plates 11.

[0088] In this embodiment:

[0089] During grinding, a large amount of iron filings are generated. To collect these iron filings, this invention designs a collection frame 61, such as... Figure 6 , 17 As shown in Figure 18, during the grinding process, the mounting frame 64 is inserted into the collecting frame 61 through the cooperation of the connecting groove 66 and the connecting plate 67. The debris generated during the grinding process falls onto the collecting mesh 65. After the processing is completed, the collecting mesh 65 can be pulled out.

[0090] As a further embodiment of this example, a transmission chamber 68 corresponding to the collection frame 61 is fixedly connected to the rear side of the drive chamber 513. A transmission shaft 69 is rotatably connected inside the transmission chamber 68. A transmission bevel gear 610 meshing with a fourth driving bevel gear 518 is fixedly connected to the front end of the transmission shaft 69. A wind duct 611 is fixedly connected to the bottom plate of the collection frame 61. A rotating seat 612 is fixedly connected inside the wind duct 611 through a support rod. A wind shaft 613 is rotatably connected between the rotating seat 612 and the transmission chamber 68. A fan blade assembly 614 is fixedly connected to the wind shaft 613 inside the wind duct 611. A fifth driven bevel gear 615 is fixedly connected to the bottom of the wind shaft 613. A fifth driving bevel gear 616 meshing with the fifth driven bevel gear 615 is fixedly connected to the transmission shaft 69.

[0091] In this implementation:

[0092] To prevent iron filings from flying everywhere, it is necessary to control the direction in which they fall, such as... Figure 5 and 13 As shown, the transmission bevel gear 610 rotates with the fourth driving bevel gear 518, thereby causing the transmission shaft 69 and the fifth driving bevel gear 616 to rotate, and the fifth driven bevel gear 615 meshing with it to rotate, which in turn causes the wind shaft 613 and the fan blade assembly 614 to rotate. By setting the tilt direction of the fan blade assembly 614, the air at the position of the wind duct 611 flows from top to bottom, thus realizing the ventilation operation and causing the iron filings to fall downward onto the receiving mesh 65.

[0093] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gear shaft grinding fixture, comprising a standard shaft and a shaft to be processed, characterized in that, Also includes: The base has support plates symmetrically fixed to its upper surface, and the support plates have horizontally and evenly spaced lifting grooves. The reference device includes a lifting seat, a positioning pressure roller, and a positioning support roller. The lifting seat is slidably connected in the rightmost lifting groove, and a first connecting rod is fixed between the lifting seats. A hanging seat is fixed below the lifting seat by a hanging rod. The positioning pressure roller is rotatably connected between the hanging seats, and the positioning support roller is rotatably connected between the support plates. The positioning support roller is located below the positioning pressure roller and is symmetrically arranged on the left and right sides of the positioning pressure roller. A grinding device is provided, which is horizontally and evenly arranged on the left side of the reference device. The grinding device includes a lifting frame, a grinding component, a driven roller, and a driven roller. The lifting frame is slidably connected in a lifting groove. A second connecting rod is fixed between the lifting frames. A hanging frame is slidably connected below the lifting frame. A sleeve is fixedly connected to the upper surface of the hanging frame. A sliding column is slidably connected inside the sleeve. A sliding rod is fixedly connected to the upper surface of the sliding column. The sliding rod is slidably connected to the top plate of the sleeve, and the top of the sliding rod is slidably connected to the lifting frame. A push spring is sleeved on the outside of the sliding rod and the sleeve. The grinding component is rotatably connected between the hanging frames. The driven roller and the driven roller are rotatably connected between the support plates and located below the grinding component. The driven roller and the driven roller are symmetrically arranged on the left and right sides of the grinding component. An adjusting device for adjusting the vertical height of the lifting seat and the lifting frame; The drive device is used to drive the grinding workpiece and the active idler roller to rotate; The grinding component includes a mounting roller, a grinding seat, and a mounting sleeve. The mounting roller is rotatably connected between the hanging frames via a first rotating shaft. The roller surface of the mounting roller is evenly provided with mounting grooves around its circumference. The grinding seat is located in the mounting grooves. The mounting sleeve is fitted onto the front and rear ends of the mounting roller. The inner wall of the mounting sleeve and the outer wall of the mounting roller are provided with mutually compatible external and internal threads. The side of the grinding seat away from the center of the mounting roller is an arc-shaped surface, and the radius of rotation of the arc-shaped surface is equal to the inner diameter of the mounting sleeve. The driving device includes a sleeve, a rod, a drive shaft, a motor, and a tension wheel. The head of the first rotating shaft extends into the lifting frame and is fixedly connected to a second driven bevel gear. The sleeve is rotatably connected to the top plate of the lifting frame. A second driving bevel gear meshing with the second driven bevel gear is fixedly connected to the bottom of the sleeve. A guide groove is provided on the inner wall of the sleeve. The rod is rotatably connected to the bottom plate of the lifting frame and is inserted into the sleeve. A guide plate adapted to the guide groove is fixedly connected to the outer wall of the rod. A third driven bevel gear is fixedly connected to the top of the rod. The drive shaft is rotatably connected to the lifting frame. A third driving bevel gear meshing with the third driven bevel gear is fixedly connected to the drive shaft. A driven wheel is fixedly connected to the front end of the drive shaft. A drive chamber is fixedly connected to the lower part of the inner wall of the front support plate. The lower part of the front support plate is also rotatably connected to... A shaft corresponding to the driven wheel is connected to the drive shaft. A fourth driven bevel gear is fixed to the rear end of the shaft, and a drive wheel is fixed to the front end of the shaft. An output shaft is rotatably connected between the left and right side plates of the drive chamber. A fourth driving bevel gear that meshes with the fourth driven bevel gear is fixed to the output shaft. The motor is fixed to the inner wall of the front support plate. The motor's power shaft is connected to the output shaft. A track groove is opened on the outer wall of the front support plate. A track rod is fixed in the track groove. A track block that is slidably connected to the track rod is also provided in the track groove. A tension spring is sleeved on the track rod on the right side of the track block. When the track block contacts the left side of the track groove, the tension spring is in its natural state. The tension wheel is rotatably connected to the front side of the track block. The tension wheel, the driven wheel, and the drive wheel are linked by a first belt. The active idler roller is rotatably connected between the support plates via a second rotating shaft that is symmetrically arranged front and rear. A first transmission wheel is fixedly connected to the front end of the second rotating shaft, and a second transmission wheel is fixedly connected to the shaft. The first transmission wheel and the second transmission wheel are linked by a second belt. A collection frame is fixed between the support plates. A pair of active and passive rollers are located inside the collection frame. An opening is provided on the right side of the collection frame. A drawer plate corresponding to the opening is also included. A handle and a mounting frame are fixed to both sides of the drawer plate. A mesh is fixed inside the mounting frame. Connecting grooves are provided on the front and rear sides of the mounting frame and the drawer plate. Connecting plates adapted to the connecting grooves are fixed to the inner walls of the front and rear support plates.

2. The gear shaft grinding fixture according to claim 1, characterized in that, When the sliding column contacts the top plate of the sleeve, the push spring is in its natural state, and at this time the height of the grinding part is the same as the height of the positioning pressure roller, and the inner diameter of the mounting sleeve is equal to the diameter of the positioning pressure roller.

3. The gear shaft grinding fixture according to claim 1, characterized in that, Limiting grooves are provided on the roller surfaces of the positioning roller, driven roller, and driving roller.

4. The gear shaft grinding fixture according to claim 1, characterized in that, The adjusting device includes an adjusting screw and an adjusting shaft. An adjusting frame is fixedly connected to the upper surface of the rear support plate. An adjusting groove is provided on the left side of the lifting groove. The adjusting screw is rotatably connected in the adjusting groove. The top of the adjusting screw extends into the adjusting frame and is fixedly connected to a first driven bevel gear. The adjusting shaft is rotatably connected between the left and right side plates of the adjusting frame. A knob is fixedly connected to the right end of the adjusting shaft. A first driving bevel gear that meshes with the first driven bevel gear is fixedly connected to the adjusting shaft. An adjusting plate is fixedly connected to the left side of the lifting seat and the lifting frame. The adjusting plate is slidably connected in the adjusting groove. The adjusting plate meshes with the adjusting screw through a centrally fixed threaded sleeve.

5. A gear shaft grinding fixture according to claim 4, characterized in that, A transmission chamber corresponding to the collection frame is fixedly connected to the rear side of the drive chamber. A transmission shaft is rotatably connected inside the transmission chamber. A transmission bevel gear meshing with a fourth driving bevel gear is fixedly connected to the front end of the transmission shaft. A wind duct is fixedly connected to the bottom plate of the collection frame. A rotating seat is fixedly connected to the wind duct through a support rod. A wind shaft is rotatably connected between the rotating seat and the transmission chamber. A fan blade assembly is fixedly connected to the wind shaft inside the wind duct. A fifth driven bevel gear is fixedly connected to the bottom of the wind shaft. A fifth driving bevel gear meshing with the fifth driven bevel gear is fixedly connected to the transmission shaft.

Images