Special grinding machine for machining pin wheel housing of RV speed reducer
By designing a special grinder for needle-tooth shell processing of RV reducer, special grinders and grinding components in the abrasive groove can repair the outer peripheral surface and inclined edge of the grinder, solving the problem of the grinding wheel becoming smaller and the edge position being bumped after long-term use, and improving the convenience of the grinder and the quality of the finished product.
Patent Information
- Application Number
- CN202510444456.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2025-05-23
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
After a long time of use, the grinding wheel diameter becomes smaller and the blade position becomes uneven, which affects the quality of the finished product and is inconvenient to use.
A special grinder for needle tooth shell processing of RV reducer is designed, using special grinding discs and grinding components in the abrasive groove, including repair wheels and two grinding plates. By controlling the assembly and linkage adjustment of the assembly, the relative activity control of the grinding components is realized, and the outer peripheral surface and inclined edge of the grinding disc are repaired.
It improves the convenience of processing special grinding discs during long-term use, avoids the quality of surface potholes, extends the service life of the grinder, and improves the efficiency and quality of grinding operations.
Smart Images

Figure CN120023725A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of pinion gear housing grinding, in particular to a special grinding machine for processing pinion gear housings of RV reducers. Background Art
[0002] RV reducer is a precision transmission device composed of the front stage of planetary gear reducer and the rear stage of cycloidal pinwheel reducer. The pin gear housing is usually a circular housing with multiple tooth grooves arranged on the inner hole wall. There are connecting parts between adjacent tooth grooves. Some pin gear housings have grooves on their connecting parts to increase the matching clearance between the cycloidal wheel and the connecting part. The pin gear housing of RV reducer needs to be polished by the grinding wheel of a special grinder during processing. When the existing RV reducer pinion housing inner tooth groove grinding mechanism is used, the grinding wheel is installed through the movable main shaft, and then the grinding wheel is placed in the inner ring of the RV reducer pinion housing to perform contact grinding on the inner tooth groove. However, after long-term use, the grinding wheel diameter will gradually become smaller, and the inclined cutting edge position will gradually become uneven, which will affect the quality of the finished product of the inner tooth groove during the later grinding operation and make it inconvenient to use. Summary of the invention
[0003] The object of the present invention is to provide a special grinding machine for machining a pin gear housing of an RV reducer, so as to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above object, the present invention provides the following technical solution: a special grinding machine for processing a pin gear housing of an RV reducer, comprising: A grinding machine processing spindle, wherein a grinding tool groove is provided at the lower end of the grinding machine processing spindle, a special grinding disc for processing is provided in the grinding tool groove and rotated by a driving shaft, a grinding assembly is provided above the special grinding disc for processing in the grinding tool groove, and the grinding assembly includes a repair wheel and two grinding sheets, and the repair wheel moves to the upper end of the grinding tool groove through a control assembly, and the control assembly includes a control connection block; A linkage adjustment component, wherein both sides of the abrasive groove close to the repair wheel are penetrated with combined mounting grooves, the linkage adjustment components are respectively arranged in the two combined mounting grooves, the linkage adjustment components include two movable mounting blocks and two linkage seats, and the two grinding plates are respectively adjustably arranged on one side of the two movable mounting blocks.
[0005] Preferably, a lifting control groove is opened at the upper end of the mold groove, the upper end of the control connection block is vertically movably plugged into the lifting control groove and is provided with a connecting plate, and a plurality of lifting control rods are vertically symmetrically provided at the upper end of the lifting control groove, and the lower ends of the plurality of lifting control rods are respectively connected to the upper end of the connecting plate.
[0006] Preferably, the control connection block is provided with a supporting ear plate at the lower end located in the mold groove, and the electromagnetic constraint disk is arranged in the supporting ear plate by rotating through a rotation axis. The electromagnetic constraint disk is located directly above the special grinding disk for processing, and the lower end of the electromagnetic constraint disk is in contact with the upper end of the special grinding disk for processing.
[0007] Preferably, a restraining slide plate is horizontally provided on one side of the two combined mounting grooves, and the movable mounting block is horizontally slidably arranged in the combined mounting groove, and the upper end of the movable mounting block is in sliding contact with the lower end of the restraining slide plate.
[0008] Preferably, a combination groove is provided at the lower end of the linkage seat, the movable mounting block is arranged in the combination groove, the constraint slide plate horizontally passes through the combination groove of the linkage seat, guide grooves are provided on both sides of the combination groove of the linkage seat, and a guide slider is horizontally provided on one side of the movable mounting block close to the guide groove, the two guide sliders are respectively movably connected to the two guide grooves, and one side of the guide groove is inclined.
[0009] Preferably, the control connection block is horizontally and symmetrically provided with a plurality of combination screws on both sides of the mold groove, and the two linkage seats are movably connected to the combination screws on both sides of the control connection block, and the combination screw passes through one side of the linkage seat and is provided with a fixing nut through a threaded connection.
[0010] Preferably, the movable mounting block is provided with an adjustment groove on one side close to the special grinding disc for processing, a flip shaft is horizontally provided on one side of the lower end of the adjustment groove, a swing plate is obliquely provided in the adjustment groove, the lower end of the swing plate is movably sleeved on the flip shaft, two grinding plates are respectively arranged on one side of the two swing plates, and the inclination angles of the swing plate and the grinding plate are the same as the inclination edge angle of the special grinding disc for processing.
[0011] Preferably, a clearance groove is provided on the side of the movable mounting block away from the adjustment groove, and two arc guide rods are symmetrically provided on the side of the swing piece away from the special grinding disc for processing, one side of the two arc guide rods respectively movably penetrates the adjustment groove and is inserted into the clearance groove, and an arc spring is provided on the side of the arc guide rod located in the clearance groove through an anti-slip block, an adjustment bolt is vertically inserted through a thread at the center of the upper end of the adjustment groove, an abutment block is provided at the lower end of the adjustment bolt located in the adjustment groove, and the two sides of the abutment block respectively abut against one side surface of the swing piece and a side wall of the adjustment groove.
[0012] Preferably, metal discs are provided on both sides of the repair wheel close to the rotating shaft, and an electromagnetic confinement disk is embedded on one side of the support ear plate close to the metal disc, and one side of the electromagnetic confinement disk is in contact with the metal disc.
[0013] Preferably, the grinding machine machining spindle is located in the lifting control slot and the center of the upper end is vertically plugged into the telescopic reader, the control connection block is located in the lifting control slot and the upper end is vertically provided with a push-pull rod, and the push-pull rod is adapted to be plugged in with the telescopic reader.
[0014] Compared with the prior art, the present invention has the following beneficial effects: When the special grinding wheel for processing is in normal use, the control component and the linkage adjustment component can be used to control the relative movement of the repair wheel and the two grinding plates of the grinding component, so as to grind and repair the outer peripheral surface or the inclined cutting edge of the special grinding wheel for processing, thereby improving the convenience of the special grinding wheel for processing during long-term use, avoiding the problem of quality problems such as surface potholes that cannot be dealt with in time during the processing process, and improving convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the present invention from a first viewing angle; Figure 2 It is a schematic diagram of the structure of the present invention from a second viewing angle; Figure 3 It is a schematic diagram of the local episiotomy structure of the present invention; Figure 4 For the present invention Figure 3 Schematic diagram of part A; Figure 5 For the present invention Figure 4 Schematic diagram of part B; Figure 6 For the present invention Figure 3 Schematic diagram of the C part; Figure 7 This is a schematic diagram of the structure inside the combined installation slot of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the D part; Fig. 9 This is an exploded view of the linkage seat connection of the present invention; Fig.10 For the present invention Fig. 9 Schematic diagram of part E.
[0016] In the figure: grinding machine processing spindle 1, mold groove 2, special grinding disc 3, combined mounting groove 4, repair wheel 5, control connection block 6, lifting control groove 7, lifting control rod 8, support ear plate 9, electromagnetic restraint disk 10, movable mounting block 11, restraint slide plate 12, combined screw 13, linkage seat 14, guide slide groove 15, guide slide block 16, adjustment groove 17, flip shaft 18, swing plate 19, grinding plate 20, make way groove 21, arc guide rod 22, arc spring 23, adjustment bolt 24, telescopic reader 25, push-pull rod 26. DETAILED DESCRIPTION
[0017] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0018] See also Figure 1-Figure 10 , the present invention provides the following technical solutions: Embodiment 1: A special grinder for processing a pin gear housing of an RV reducer comprises a grinding machine processing spindle 1, a grinding tool groove 2 is provided at the lower end of the grinding machine processing spindle 1, a special grinding disc 3 for processing is provided in the grinding tool groove 2 and is rotated by a driving shaft, a grinding assembly is provided in the grinding tool groove 2 and is located above the special grinding disc 3 for processing, the grinding assembly comprises a repair wheel 5 and two grinding plates 20, the repair wheel 5 is moved to the upper end of the grinding tool groove 2 by the control assembly, the control assembly comprises a control connecting block 6, a lifting control groove 7 is provided at the upper end of the grinding tool groove 2, the upper end of the control connecting block 6 is vertically movably plugged into the lifting control groove 7 and is provided with a connecting disk, a plurality of lifting control rods 8 are vertically symmetrically provided at the upper end of the lifting control groove 7, the lower ends of the plurality of lifting control rods 8 are respectively connected to the upper ends of the connecting disks, and the repair wheel 5 can be controlled by the up and down movement of the control connecting block 6 to achieve contact and separation with the special grinding disc 3 for processing.
[0019] The control connection block 6 is located at the lower end of the mold groove 2 and is provided with a supporting ear plate 9. The electromagnetic constraint disk 10 is arranged in the supporting ear plate 9 through the rotation axis. The electromagnetic constraint disk 10 is located directly above the special processing grinding disk 3, and the lower end of the electromagnetic constraint disk 10 is in contact with the upper end of the special processing grinding disk 3. Metal discs are provided on both sides of the repair wheel 5 close to the rotation axis. The side of the support ear plate 9 close to the metal disc is embedded with an electromagnetic constraint disk 10, and one side of the electromagnetic constraint disk 10 is in contact with the metal disc. When the repair wheel 5 contacts the special processing grinding disk 3, the electromagnetic constraint disk 10 is energized at the same time, and the repair wheel 5 is restricted from rotating by the electromagnetic constraint disk 10. The restricted activity can be to completely restrict the rotation of the repair wheel 5, or to restrict the rotation speed of the repair wheel 5, so that there is a rotation speed difference between the repair wheel 5 and the special processing grinding disk 3, and then the outer peripheral surface of the special processing grinding disk 3 can be polished and repaired. The width of the repair wheel 5 is greater than the diameter of the special processing grinding disk 3.
[0020] A linkage adjustment component is set to control the grinding of the two inclined cutting edges of the special grinding disc 3 for processing. Combination mounting grooves 4 are opened on both sides of the grinding tool groove 2 close to the repair wheel 5. The linkage adjustment components are respectively arranged in the two combination mounting grooves 4. The linkage adjustment components include two movable mounting blocks 11 and two linkage seats 14. The two grinding discs 20 are respectively adjustably arranged on one side of the two movable mounting blocks 11. A constraint slide plate 12 is horizontally arranged on one side of the two combination mounting grooves 4. The movable mounting block 11 is arranged in the combination mounting groove 4 and slides horizontally. The upper end of the movable mounting block 11 is in sliding contact with the lower end of the constraint slide plate 12. The lower end of the linkage seat 14 is provided with a combination groove. The movable mounting block 11 is arranged in the combination groove. The constraint slide plate 12 is horizontally arranged. A combination groove runs through the linkage seat 14 horizontally, and guide grooves 15 are opened on both sides of the combination groove of the linkage seat 14. A guide slide block 16 is horizontally provided on the side of the movable mounting block 11 close to the guide groove 15. The two guide slide blocks 16 are respectively movably inserted into the two guide grooves 15, and one side of the guide groove 15 is inclined. When the control connection block 6 rises and moves, in addition to the repair wheel 5 being away from the special processing grinding disc 3, as the control connection block 6 continues to rise, the linkage seat 14 and the guide groove 15 are synchronously lifted. At this time, the movable mounting block 11 cannot move upward due to the limiting action of the constraint slide plate 12, and under the action of the inclined section in the guide groove 15, the two movable mounting blocks 11 are simultaneously controlled to move to the position of the special processing grinding disc 3.
[0021] A plurality of combination screws 13 are horizontally symmetrically arranged on both sides of the control connection block 6 located in the mold groove 2. Two linkage seats 14 are respectively movably connected to the combination screws 13 on both sides of the control connection block 6, and the combination screw 13 passes through one side of the linkage seat 14 and is provided with a fixing nut through a threaded sleeve. After the linkage seat 14 is connected to the combination screw 13, the control connection block 6 can be quickly lifted by driving the linkage seat 14 through the combination screw 13. In addition, the movable mounting block 11 and the linkage seat 14 can be taken out from one side of the combination mounting groove 4, which is convenient for replacement and later maintenance.
[0022] The movable mounting block 11 is provided with an adjustment groove 17 on one side close to the special grinding disc 3 for processing, and a flip shaft 18 is horizontally provided on one side of the lower end of the adjusting groove 17. A swing piece 19 is tilted in the adjusting groove 17, and the lower end of the swing piece 19 is movably sleeved with the flip shaft 18. Two grinding pieces 20 are respectively arranged on one side of the two swing pieces 19, and the inclination angles of the swing pieces 19 and the grinding pieces 20 are the same as the inclined edge angles of the special grinding disc 3 for processing. A yield groove 21 is provided on the side of the movable mounting block 11 away from the adjustment groove 17, and two arc guide rods 22 are symmetrically provided on the side of the swing piece 19 away from the special grinding disc 3 for processing, and one side of the two arc guide rods 22 respectively movably penetrates the adjustment groove 17 and is inserted into the yield groove 21, and one side of the arc guide rod 22 located in the yield groove 21 is sleeved with an arc spring 23 through an anti-slip block, and the center of the upper end in the adjustment groove 17 is vertically inserted through a thread. The adjusting bolt 24 is provided with an abutment block at the lower end thereof located in the adjusting groove 17, and the two sides of the abutment block abut against one side surface of the swing piece 19 and one side wall in the adjusting groove 17 respectively. When the special grinding disc 3 for processing of different specifications and sizes is replaced, if the angle of the inclined cutting edge of the special grinding disc 3 for processing of the ... Whether the grinding operation is used or not, a visual inspection module can be set in the grinding tool groove 2 to monitor the surface quality of the special grinding disc 3 in real time. When potholes or damage occur, the repair wheel 5 and the grinding sheet 20 can be repaired in time.
[0023] Embodiment 2: On the basis of embodiment 1, the grinding machine processing spindle 1 is located in the lifting control groove 7, and the telescopic reader 25 is vertically inserted in the center of the upper end. The control connection block 6 is located in the lifting control groove 7, and a push-pull rod 26 is vertically provided at the upper end. The push-pull rod 26 is adapted to be plugged in with the telescopic reader 25. When the repair wheel 5 descends, the push-pull rod 26 can be driven to be pulled vertically in the telescopic reader 25. At this time, the sensor module of the telescopic reader 25 itself can read the descending height of the repair wheel 5. When the repair wheel 5 contacts the special grinding disc 3 for processing, and combined with the previous data records, the dimensional change data of the wear of the special grinding disc 3 for processing can be realized, so as to facilitate timely maintenance and processing.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A special grinding machine for processing pin gear housing of RV reducer, characterized in that: include: A grinding machine processing spindle (1), wherein a grinding tool groove (2) is provided at the lower end of the grinding machine processing spindle (1), a special grinding disc (3) for processing is provided in the grinding tool groove (2) and is rotated by a driving shaft, a grinding assembly is provided above the special grinding disc (3) in the grinding tool groove (2), the grinding assembly comprises a repair wheel (5) and two grinding sheets (20), the repair wheel (5) is moved to the upper end of the grinding tool groove (2) by a control assembly, and the control assembly comprises a control connection block (6); A linkage adjustment component, wherein both sides of the abrasive tool groove (2) close to the repair wheel (5) are penetrated by combination installation grooves (4), the linkage adjustment components are respectively arranged in the two combination installation grooves (4), the linkage adjustment components include two movable installation blocks (11) and two linkage seats (14), and two grinding plates (20) are respectively adjustably arranged on one side of the two movable installation blocks (11).
2. A special grinding machine for processing pin gear housing of RV reducer according to claim 1, characterized in that: A lifting control groove (7) is provided at the upper end of the mold groove (2); the upper end of the control connection block (6) is vertically movably plugged into the lifting control groove (7) and is provided with a connection plate; a plurality of lifting control rods (8) are vertically symmetrically provided at the upper end of the lifting control groove (7); the lower ends of the plurality of lifting control rods (8) are respectively connected to the upper end of the connection plate.
3. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 2, characterized in that: The control connection block (6) is provided with a supporting ear plate (9) at the lower end thereof located in the tool groove (2); the electromagnetic restraint disk (10) is rotatably arranged in the supporting ear plate (9) via a rotation axis; the electromagnetic restraint disk (10) is located directly above the special processing grinding disk (3), and the lower end of the electromagnetic restraint disk (10) is in contact with the upper end of the special processing grinding disk (3).
4. A special grinding machine for processing pin gear housing of RV reducer according to claim 3, characterized in that: A restraining slide plate (12) is horizontally provided on one side of the two combined installation grooves (4), and the movable installation block (11) is arranged to slide horizontally in the combined installation groove (4), and the upper end of the movable installation block (11) is in sliding contact with the lower end of the restraining slide plate (12).
5. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 4, characterized in that: The lower end of the linkage seat (14) is provided with a combination groove, the movable mounting block (11) is arranged in the combination groove, the restraining slide plate (12) horizontally penetrates the combination groove of the linkage seat (14), both sides of the combination groove of the linkage seat (14) penetrate with guide slide grooves (15), and a side of the movable mounting block (11) close to the guide slide groove (15) is horizontally provided with a guide slide block (16), the two guide slide blocks (16) are respectively movably plugged into the two guide slide grooves (15), and one side of the guide slide groove (15) is inclined.
6. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 5, characterized in that: A plurality of combined screws (13) are horizontally and symmetrically arranged on both sides of the control connection block (6) located in the mold groove (2); two linkage seats (14) are respectively movably sleeved with the combined screws (13) on both sides of the control connection block (6); and one side of the combined screws (13) passing through the linkage seats (14) is provided with a fixing nut through a threaded sleeve.
7. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 6, characterized in that: The movable mounting block (11) is provided with an adjustment groove (17) on one side close to the special processing grinding disc (3), a flip shaft (18) is horizontally provided on one side of the lower end of the adjustment groove (17), a swing piece (19) is obliquely provided in the adjustment groove (17), the lower end of the swing piece (19) is movably sleeved on the flip shaft (18), two grinding pieces (20) are respectively provided on one side of the two swing pieces (19), and the inclination angles of the swing piece (19) and the grinding piece (20) are the same as the inclination angle of the cutting edge of the special processing grinding disc (3).
8. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 7, characterized in that: A clearance groove (21) is provided on a side of the movable mounting block (11) away from the adjustment groove (17); two arc guide rods (22) are symmetrically provided on a side of the swing plate (19) away from the special processing grinding disc (3); one side of the two arc guide rods (22) respectively movably penetrates the adjustment groove (17) and is inserted into the clearance groove (21); one side of the arc guide rod (22) located in the clearance groove (21) is sleeved with an arc spring (23) through an anti-slip block; an adjustment bolt (24) is vertically inserted through a thread at the center of the upper end in the adjustment groove (17); an abutment block is provided at the lower end of the adjustment bolt (24) located in the adjustment groove (17), and two sides of the abutment block are respectively abutted against one side of the swing plate (19) and one side wall in the adjustment groove (17).
9. A special grinding machine for processing the pin gear housing of an RV reducer according to claim 8, characterized in that: The repair wheel (5) is provided with metal discs on both sides close to the rotation axis, and an electromagnetic confinement disk (10) is embedded on one side of the support ear plate (9) close to the metal disc, and one side of the electromagnetic confinement disk (10) is in contact with the metal disc.
10. A special grinding machine for processing pin gear housing of RV reducer according to claim 9, characterized in that: The grinding machine processing spindle (1) is located in the lifting control groove (7) and the center of the upper end is vertically plugged into the telescopic reader (25). The control connection block (6) is located in the lifting control groove (7) and the upper end is vertically provided with a push-pull rod (26), and the push-pull rod (26) is adapted to be plugged and arranged with the telescopic reader (25).