CN212371343U

CN212371343U - Taper inner hole large gear grinding clamp

Info

Publication number: CN212371343U
Application number: CN202021749953.5U
Authority: CN
Inventors: 杨朝良; 王红余
Original assignee: HANGZHOU FADA GEARBOX GROUP CO Ltd
Current assignee: HANGZHOU FADA GEARBOX GROUP CO Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-01-19
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a tapering hole gear wheel gerar grinding anchor clamps, affiliated tapering hole gear wheel gerar grinding equipment technical field, which comprises a frame, be equipped with tapering hole gear wheel in the frame, be equipped with the gerar grinding anchor clamps subassembly between tapering hole gear wheel and frame, the gerar grinding anchor clamps subassembly side is equipped with the gerar grinding driving machine case, be equipped with the cutter bar subassembly between gerar grinding driving machine case and tapering hole gear wheel, cutter bar subassembly and gerar grinding driving machine incasement are equipped with the gerar grinding cutter bar frame, the gerar grinding anchor clamps subassembly upper end is equipped with the ejector pin, another side of gerar grinding anchor clamps subassembly is equipped with ejector pin elevating frame, be equipped with the ejector pin lifing arm of being connected with ejector pin elevating frame looks slidingtype between ejector pin and ejector pin elevating frame. The device has the characteristics of simple structure, convenience in operation, convenience in disassembly, good running stability and long service life. The problem of the tapering hole gear grinding in-process produce the fish tail wearing and tearing is solved. The positioning accuracy and the safety reliability are improved.

Description

Taper inner hole large gear grinding clamp

Technical Field

The utility model relates to a tapering hole gear wheel equipment technical field that grinds teeth, concretely relates to tapering hole gear wheel anchor clamps that grind teeth.

Background

The big gear and the shaft in the prior art generally adopt the small interference of a cylinder and a flat key, the big interference of a cylinder or the interference of a cone to fix the position of the big gear and transmit torque. The cylinder is convenient to assemble and disassemble due to small interference and flat key connection, but the positioning precision is low, the flat key is easy to damage, and the torque transmission capability is small; the large interference of the cylinder is accurate in axial positioning of the gear, strong in torque transmission capacity, very difficult to disassemble and very inconvenient to maintain and replace parts; the interference fit of the cone can be adjusted by the axial press-in amount due to the interference magnitude, the positioning precision is high, the torque transmission capacity is high, and in addition, as the large head and the small head exist in the taper fit, high-pressure hydraulic oil can be introduced to generate axial thrust, the disassembly is very convenient, and the interference fit of the cone and the shaft is widely applied to the fit of large and ultra-large disc-mounted gears and shafts. The prior large gear generally adopts a hard tooth surface technology, and the process route is roughly forging a vehicle blank, hobbing, heat treatment, aligning pitch circle grinding inner holes and end surfaces and grinding teeth.

Because the taper inner hole is processed before the gear grinding, and the taper inner hole is matched with the shaft in practical use, the taper inner hole is preferably used for centering and positioning the gear grinding according to the principle of consistent reference, a taper mandrel of the traditional taper centering fixture for the gear grinding generally adopts a smooth taper surface with a certain length for positioning and centering, after the taper centering fixture is mounted, due to the action of the gravity and the pressing force of a gear, the taper is fully contacted, the machine is very difficult to disassemble, and even if a large gear is disassembled through external force, the positioning and centering taper surface is very easy to scratch and wear, so that the repeated use precision and the service life of the mandrel are influenced.

Disclosure of Invention

The utility model discloses there is the structure complicacy among the main prior art of solving, dismantle not convenient, the poor and short not enough of life of operational stability, provides a tapering hole gear wheel gerar grinding anchor clamps, and it has simple structure, convenient operation, dismantles convenient, the good and long service life's of operational stability characteristics. The problem of the tapering hole gear grinding in-process produce the fish tail wearing and tearing is solved. The positioning accuracy and the safety reliability are improved.

The above technical problem of the present invention can be solved by the following technical solutions:

a tooth grinding clamp for a taper inner hole gearwheel comprises a frame, wherein the frame is provided with a taper inner hole gearwheel, a gear grinding clamp component is arranged between the taper inner hole gearwheel and the frame, a gear grinding driving cabinet which is connected with the frame in a sliding way is arranged on the side edge of the gear grinding clamp component, a cutter bar component is arranged between the gear grinding driving case and the taper inner hole large gear, a gear grinding cutter bar frame which is in bearing type nested connection with the cutter bar component is arranged between the cutter bar component and the gear grinding driving case, the upper end of the gear grinding clamp component is provided with a mandril, the other side edge of the gear grinding clamp component is provided with a mandril lifting frame, a mandril lifting arm which is connected with the mandril lifting frame in a sliding way is arranged between the mandril and the mandril lifting frame, and a mandril bearing seat fixedly connected with the mandril in a bearing type nested manner is arranged between the mandril lifting arm and the mandril.

Preferably, the gear grinding clamp assembly comprises a positioning shaft which is embedded with the taper inner hole gear wheel in a limiting manner, a clamp base which is embedded with the positioning shaft in an embedded manner is arranged at the lower end of the positioning shaft, an oil cylinder base which is embedded with the positioning shaft is arranged between the clamp base and the taper inner hole gear wheel, the oil cylinder base is fixedly connected with the clamp base in a bolt manner, a jacking oil cylinder which is movably contacted with the taper inner hole gear wheel is arranged at the upper end of the oil cylinder base, the jacking oil cylinder is embedded with the positioning shaft in a sealing manner, an oil inlet channel which is communicated with the oil cylinder base is arranged on the jacking oil cylinder, a gland nut which is in threaded sleeve connection with the positioning shaft is arranged at the upper end of the positioning shaft, and an opening gasket which is in sleeve connection with the positioning shaft is arranged between the gland nut and the taper inner hole gear wheel.

Preferably, the positioning shaft comprises a positioning shaft body, the upper end of the positioning shaft body is provided with a threaded rod in threaded sleeve connection with a compression nut, a taper core shaft inserted into a taper inner hole gear wheel is arranged between the threaded rod and the positioning shaft body, the taper core shaft is provided with a plurality of longitudinal grooves distributed in an equidistant annular mode, the lower end of the positioning shaft body is provided with a guide shaft inserted into a clamp base in an embedded mode, and a limiting disc in embedded type crimping connection with the lower end of an oil cylinder base is arranged between the guide shaft and the positioning shaft body.

Preferably, the cutter bar assembly comprises a cutter bar rotating shaft, a plurality of gear cutter discs are arranged on the cutter bar rotating shaft, a partition ring is arranged between every two adjacent gear cutter discs, bearing limiting grooves which are sleeved with a gear grinding cutter bar rack are arranged at two ends of the cutter bar rotating shaft, and a driving gear which is embedded with a cutter bar rotating shaft and a clamp spring type spline is arranged at one end of the cutter bar rotating shaft.

Preferably, a transverse guide rail which is inserted into the gear grinding driving machine box for guiding and limiting is arranged between the lower end of the gear grinding driving machine box and the rack. And a lifting guide rail which is inserted and embedded with the ejector lifting arm to guide and limit is arranged between the ejector lifting arm and the ejector lifting frame, and limit stop blocks are arranged at the front end and the rear end of the transverse moving guide rail and at the upper end and the lower end of the lifting guide rail.

Preferably, the lower end of the rack is provided with a driving motor, and a coupler is arranged between the driving motor and the gear grinding clamp assembly.

Preferably, a cooling liquid corrugated pipe communicated with the gear grinding driving case is arranged above the gear grinding cutter row frame.

The utility model discloses can reach following effect:

the utility model provides a tapering hole gear wheel gerar grinding anchor clamps compares with prior art, has simple structure, convenient operation, dismantles convenient, operating stability is good and long service life's characteristics. The problem of the tapering hole gear grinding in-process produce the fish tail wearing and tearing is solved. The positioning accuracy and the safety reliability are improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is a structural cross-sectional view of the inventive gear grinding fixture assembly.

Fig. 3 is a schematic structural view of the positioning shaft of the present invention.

Fig. 4 is a schematic structural view of the cutter row assembly of the present invention.

In the figure: the device comprises a transverse moving guide rail 1, a gear grinding driving case 2, a cooling liquid corrugated pipe 3, a gear grinding cutter row frame 4, a cutter row assembly 5, a push rod 6, a push rod bearing block 7, a push rod lifting arm 8, a lifting guide rail 9, a push rod lifting frame 10, a limit stop 11, a tapered inner hole large gear 12, a gear grinding clamp assembly 13, a frame 14, a coupler 15, a driving motor 16, an opening gasket 17, a compression nut 18, a positioning shaft 19, a jacking oil cylinder 20, an oil inlet channel 21, an oil cylinder seat 22, a clamp base 23, a threaded rod 24, a longitudinal groove 25, a tapered mandrel 26, a positioning shaft body 27, a limit disc 28, a guide shaft 29, a cutter row rotating shaft 30, a gear cutter disc 31, a partition plate ring 32, a bearing limit groove 33 and a driving gear 34.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1-4, a taper inner hole gearwheel grinding clamp comprises a frame 14, a driving motor 16 is arranged at the lower end of the frame 14, and a coupling 15 is arranged between the driving motor 16 and a gear grinding clamp assembly 13. A taper inner hole gearwheel 12 is arranged on the frame 14, a gear grinding clamp assembly 13 is arranged between the taper inner hole gearwheel 12 and the frame 14, a gear grinding driving case 2 which is connected with the frame 14 in a sliding way is arranged on the side of the gear grinding clamp assembly 13, and a transverse guide rail 1 which is inserted into the gear grinding driving case 2 for guiding and limiting is arranged between the lower end of the gear grinding driving case 2 and the frame 14. A cutter bar assembly 5 is arranged between the gear grinding driving case 2 and the taper inner hole large gear 12, the cutter bar assembly 5 comprises a cutter bar rotating shaft 30, 9 gear cutter discs 31 are arranged on the cutter bar rotating shaft 30, a partition plate ring 32 is arranged between every two adjacent gear cutter discs 31, bearing limiting grooves 33 which are sleeved with the gear grinding cutter bar frame 4 are arranged at two ends of the cutter bar rotating shaft 30, and a driving gear 34 which is inserted into the cutter bar rotating shaft 30 through a clamp spring type spline is arranged at one end of the cutter bar rotating shaft 30. A gear grinding cutter row frame 4 which is in bearing type nested connection with the cutter row assembly 5 is arranged between the cutter row assembly 5 and the gear grinding driving case 2, and a cooling liquid corrugated pipe 3 which is communicated with the gear grinding driving case 2 is arranged above the gear grinding cutter row frame 4. An ejector rod 6 is arranged at the upper end of the gear grinding clamp assembly 13, an ejector rod lifting frame 10 is arranged on the other side edge of the gear grinding clamp assembly 13, an ejector rod lifting arm 8 connected with the ejector rod lifting frame 10 in a sliding mode is arranged between the ejector rod 6 and the ejector rod lifting frame 10, a lifting guide rail 9 embedded with the ejector rod lifting arm 8 in a guiding and limiting mode is arranged between the ejector rod lifting arm 8 and the ejector rod lifting frame 10, and limiting stop blocks 11 are arranged at the front end and the rear end of the transverse moving guide rail 1 and at the upper end and the lower end of the lifting guide rail. A mandril bearing seat 7 which is fixedly connected with the mandril 6 in a bearing type nesting way is arranged between the mandril lifting arm 8 and the mandril 6.

The gear grinding clamp assembly 13 comprises a positioning shaft 19 which is in limited insertion with a taper inner hole large gear 12, the positioning shaft 19 comprises a positioning shaft body 27, a threaded rod 24 which is in threaded sleeve connection with a compression nut 18 is arranged at the upper end of the positioning shaft body 27, a taper mandrel 26 which is in inserted insertion connection with the taper inner hole large gear 12 is arranged between the threaded rod 24 and the positioning shaft body 27, 8 longitudinal grooves 25 which are in equidistant annular distribution are formed in the taper mandrel 26, a guide shaft 29 which is in embedded sleeve type insertion connection with a clamp base 23 is arranged at the lower end of the positioning shaft body 27, and a limiting disc 28 which is in embedded sleeve type crimping connection with the lower end of an oil cylinder base 22 is arranged between the guide shaft 29 and the positioning shaft body 27. The lower end of the positioning shaft 19 is provided with a clamp base 23 which is inserted with the positioning shaft 19 in an embedded manner, an oil cylinder base 22 which is connected with the positioning shaft 19 in an embedded manner is arranged between the clamp base 23 and the taper inner hole big gear 12, the oil cylinder base 22 is fixedly connected with the clamp base 23 in a bolt manner, the upper end of the oil cylinder base 22 is provided with a jacking oil cylinder 20 which is movably contacted with the taper inner hole big gear 12, the jacking oil cylinder 20 is connected with the positioning shaft 19 in an embedded manner in a sealed manner, the jacking oil cylinder 20 is provided with an oil inlet channel 21 which is communicated with the oil cylinder base 22, the upper end of the positioning shaft 19 is provided with a gland nut 18 which is in threaded manner and sleeved with the positioning shaft 19, and an opening gasket 17 which is sleeved with the positioning shaft 19.

To sum up, this tapering hole gear wheel gear grinding anchor clamps has simple structure, convenient operation, dismantles convenient, operating stability is good and long service life's characteristics. The problem of the tapering hole gear grinding in-process produce the fish tail wearing and tearing is solved. The positioning accuracy and the safety reliability are improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a tapering hole gear wheel gerar grinding anchor clamps which characterized in that: comprises a frame (14), a taper inner hole gear wheel (12) is arranged on the frame (14), a gear grinding clamp component (13) is arranged between the taper inner hole gear wheel (12) and the frame (14), a gear grinding driving case (2) which is connected with the frame (14) in a sliding way is arranged on the side of the gear grinding clamp component (13), a cutter bar component (5) is arranged between the gear grinding driving case (2) and the taper inner hole gear wheel (12), a gear grinding cutter bar frame (4) which is connected with the cutter bar component (5) in a bearing type nested way is arranged between the cutter bar component (5) and the gear grinding driving case (2), an ejector rod (6) is arranged at the upper end of the gear grinding clamp component (13), an ejector rod lifting frame (10) is arranged on the other side of the gear grinding clamp component (13), an ejector rod lifting arm (8) which is connected with the ejector rod lifting frame (10) in a sliding way is arranged between the ejector rod (6) and the ejector rod lifting frame (10), and a mandril bearing seat (7) fixedly connected with the mandril (6) in a bearing type nesting way is arranged between the mandril lifting arm (8) and the mandril (6).

2. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 1, characterized in that: the grinding tooth clamp assembly (13) comprises a positioning shaft (19) which is limited to be inserted with a taper inner hole large gear (12), a clamp base (23) which is inserted with the positioning shaft (19) in an inserting manner is arranged at the lower end of the positioning shaft (19), an oil cylinder base (22) which is connected with the positioning shaft (19) in an embedding manner is arranged between the clamp base (23) and the taper inner hole large gear (12), the oil cylinder base (22) is connected and fixed with the clamp base (23) in a bolt manner, a jacking oil cylinder (20) which is movably contacted with the taper inner hole large gear (12) is arranged at the upper end of the oil cylinder base (22), the jacking oil cylinder (20) is connected with the positioning shaft (19) in a sealing manner in an embedding manner, an oil inlet channel (21) communicated with the oil cylinder base (22) is arranged on the jacking oil cylinder (20), a compression nut (18) which is in threaded and sleeved with the positioning shaft (19) is arranged at the upper end of the positioning shaft (19), an opening gasket (17) sleeved with a positioning shaft (19) is arranged between the compression nut (18) and the taper inner hole gearwheel (12).

3. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 2, characterized in that: location axle (19) including location axle body (27), location axle body (27) upper end be equipped with threaded rod (24) that cup joints with gland nut (18) looks screw thread formula, threaded rod (24) and location axle body (27) between be equipped with and insert tapering dabber (26) that inlay mutually with tapering hole gear wheel (12), tapering dabber (26) on be equipped with a plurality of vertical slot (25) that are equidistant annular distribution, location axle body (27) lower extreme be equipped with guide shaft (29) of pegging graft mutually with anchor clamps base (23), guide shaft (29) and location axle body (27) between be equipped with spacing dish (28) with hydro-cylinder seat (22) lower extreme looks nested formula crimping.

4. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 1, characterized in that: the tool row subassembly (5) including tool row pivot (30), tool row pivot (30) on be equipped with a plurality of gear disc (31), all be equipped with between two adjacent gear disc (31) baffle ring (32), tool row pivot (30) both ends all be equipped with bearing spacing groove (33) that the tooth sword row frame (4) cup jointed mutually, tool row pivot (30) one end be equipped with tool row pivot (30) looks jump ring formula spline insert drive gear (34) that inlays.

5. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 1, characterized in that: a transverse guide rail (1) which is inserted into the gear grinding driving case (2) for guiding and limiting is arranged between the lower end of the gear grinding driving case (2) and the rack (14); and a lifting guide rail (9) which is inserted into the ejector lifting arm (8) for guiding and limiting is arranged between the ejector lifting arm (8) and the ejector lifting frame (10), and limiting stop blocks (11) are arranged at the front end and the rear end of the transverse guide rail (1) and at the upper end and the lower end of the lifting guide rail (9).

6. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 1, characterized in that: the gear grinding machine is characterized in that a driving motor (16) is arranged at the lower end of the rack (14), and a coupler (15) is arranged between the driving motor (16) and the gear grinding clamp assembly (13).

7. The clamp for grinding the gear of the taper inner hole gearwheel according to claim 1, characterized in that: and a cooling liquid corrugated pipe (3) communicated with the gear grinding driving case (2) is arranged above the gear grinding cutter bent frame (4).