CN222386722U - A high-precision feed edge grinding head - Google Patents
A high-precision feed edge grinding head Download PDFInfo
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- CN222386722U CN222386722U CN202421116631.5U CN202421116631U CN222386722U CN 222386722 U CN222386722 U CN 222386722U CN 202421116631 U CN202421116631 U CN 202421116631U CN 222386722 U CN222386722 U CN 222386722U
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- driving shaft
- sliding sleeve
- edging
- hole
- oil
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Abstract
The utility model relates to the technical field of grinding equipment and discloses a high-precision feeding edging head which comprises a shell, an edging wheel, a sliding sleeve and a first driving shaft, wherein two ends of the first driving shaft are respectively arranged in the sliding sleeve, the sliding sleeve and the first driving shaft can move in the shell along the axial direction of the first driving shaft, one end of the first driving shaft is connected with the edging wheel, the shell is provided with an oil filling hole, the sliding sleeve is provided with an oil through hole opposite to the oil filling hole, and an opening communicated with the oil through hole is formed in the inner peripheral surface of the sliding sleeve, which is close to one end of the edging wheel. The high-precision feeding edge grinding head can realize non-stop oil supplementing.
Description
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a high-precision feeding edging head.
Background
As shown in fig. 1, the existing high-precision feed edging head mainly comprises a large motor 1', a motor flange 2', a rear end cover assembly 3', a grinding head seat 4', a large gear 5', a sliding sleeve 6', a front end cover assembly 7', a gland 8', a main shaft system 9', a feed motor reducer assembly 10', a pinion shaft 11 and a box cover 12 '. When the equipment works, the feeding motor reducer assembly 10' drives the pinion shaft 11' to rotate, the pinion shaft 11' is meshed with the large gear 5' to drive the large gear 5' to rotate, the large gear 5' is in threaded connection with the sliding sleeve 6', the large gear 5' rotates to drive the sliding sleeve assembly 6' to axially feed, and the sliding sleeve assembly 6' axially feeds and pushes the main shaft system 9' to axially feed, so that axial feeding of the whole grinding head is realized. Simultaneously, the large motor 1 'drives the main shaft to rotate through the coupler of the main shaft system 9', so that the rotary motion of the grinding head is realized.
The existing high-precision feeding edging head is used for lubricating the oiling hole in the sliding sleeve 6' at the front part of the grinding head, so that an operator can not conveniently carry out oiling operation in the working process of equipment.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a high-precision feeding edge grinding head for realizing non-stop oil supplementing.
The utility model provides a high-precision feeding edging head, comprising a shell, an edging wheel, a sliding sleeve and a first driving shaft, wherein two ends of the first driving shaft are respectively arranged in the sliding sleeve, the sliding sleeve and the first driving shaft can move in the shell along the axial direction of the first driving shaft, one end of the first driving shaft is connected with the edging wheel, and the other end of the first driving shaft is connected with the edging wheel, wherein the edging wheel is connected with the edging wheel
The shell is provided with an oil hole, the sliding sleeve is provided with an oil hole opposite to the oil hole, and an opening communicated with the oil hole is formed in the inner peripheral surface of the sliding sleeve, which is close to one end of the edge grinding wheel.
As the improvement of above-mentioned scheme, the shell includes mill head seat, ring flange and end cover, the oil filler point sets up on the ring flange, the end cover is located the one end of mill head seat, the end cover with the mill head seat is connected and is formed first transmission cavity, be equipped with in the first transmission cavity and be used for driving the slip cap is followed the axial displacement's of first drive shaft first driving piece, the slip cap runs through first transmission cavity.
As an improvement of the scheme, an adjusting pad is arranged between the end cover and the grinding head seat.
As an improvement of the scheme, a second transmission cavity communicated with the first transmission cavity is formed in the grinding head seat, a second driving shaft is arranged in the second transmission cavity, and the second transmission part is connected with the first driving shaft and used for driving the first transmission part to rotate.
As an improvement of the scheme, the first transmission part is a driven gear, the second transmission part is a driving gear, the driving gear is meshed with the driven gear, the driving gear is fixed with the second driving shaft, and the driven gear is in threaded connection with the outer peripheral surface of the sliding sleeve.
As an improvement of the above-mentioned solution, the first driving shaft is driven to rotate by a first rotation driving mechanism penetrating through the flange plate;
the second transmission chamber circumferentially wraps one end of the second driving shaft, and the other end of the second driving shaft extends out of the second transmission chamber and is connected with the second rotary driving mechanism.
As an improvement of the scheme, the oil filling hole comprises a radial section and an axial section, the radial section is arranged along the radial extension of the first driving shaft, the axial section is arranged along the axial extension of the first driving shaft, the oil through hole is arranged along the axial extension of the first driving shaft, and the oil through hole is opposite to the axial section.
As an improvement of the scheme, a double-row angular contact ball bearing is arranged at one end, close to the edge grinding wheel, of the first driving shaft, and a deep groove ball bearing is arranged at one end, far away from the edge grinding wheel, of the first driving shaft.
As an improvement of the scheme, the grinding head seat is provided with a damping hole, an elastic compression piece and a locking block are arranged in the damping hole, the grinding head seat is provided with a gland which is fixed with the grinding head seat and seals the damping hole, one end of the elastic compression piece is connected with the gland, the other end of the elastic compression piece is connected with the locking block, and the locking block is in butt joint with the outer peripheral surface of the sliding sleeve.
As an improvement of the scheme, the oil filling hole is internally provided with an oil filling nozzle.
The implementation of the utility model has the following beneficial effects:
The utility model discloses a high-precision feeding edging head, wherein two ends of a first driving shaft are respectively arranged in a sliding sleeve, one end of the first driving shaft is connected with an edging wheel, the sliding sleeve and the first driving shaft are arranged in a shell and can move along the axial direction of the first driving shaft, an oil filling hole is arranged on the shell, an oil through hole opposite to the oil filling hole is arranged on the sliding sleeve, an opening communicated with the oil through hole is arranged on the inner peripheral surface near one end of the edging wheel, lubricating oil is injected into the oil filling hole, flows to one end of the sliding sleeve near the edging wheel through the oil filling hole and the oil through hole in sequence, and flows to a bearing at the end from the opening position of the inner peripheral surface of the sliding sleeve so as to provide lubrication, and because the oil filling hole is arranged at one end of the shell far away from the edging wheel, the lubricating oil can be conveniently added by operators when equipment is in the working process, and the oiling operation is safe and convenient.
Drawings
FIG. 1 is a schematic diagram of a prior art high precision feed edge grinding head;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of a high precision feed edge grinding head according to an embodiment of the present utility model;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the construction of a second embodiment of the first drive shaft;
FIG. 6 is a schematic view of a third embodiment of a first drive shaft;
FIG. 7 is a schematic view of a fourth embodiment of a first drive shaft;
FIG. 8 is a schematic diagram of the structure of the tuning pad;
Fig. 9 is an enlarged schematic view of the portion a in fig. 3.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 3 and 4, the utility model discloses an embodiment of a high-precision feeding edging head, which comprises a shell 1, an edging wheel 2, a sliding sleeve 3 and a first driving shaft 4, wherein two ends of the first driving shaft 4 are respectively arranged in the sliding sleeve 3 through bearings, the sliding sleeve 3 and the first driving shaft 4 can move in the shell 1 along the axial direction of the first driving shaft 4, one end of the first driving shaft 4 is connected with the edging wheel 2, the shell 1 is provided with an oil filling hole 111 at one end far away from the edging wheel 2, the sliding sleeve 3 is provided with an oil through hole 31 opposite to the oil filling hole 111, and the inner peripheral surface of the sliding sleeve 3 near one end of the edging wheel 2 is provided with an opening 32 communicated with the oil through hole 31.
In this embodiment, two ends of the first driving shaft 4 are respectively installed in the sliding sleeve 3 through bearings, one end of the first driving shaft 4 is connected with the edging wheel 2, the sliding sleeve 3 and the first driving shaft 4 are arranged in the housing 1 and can move along the axial direction of the first driving shaft 4, the oil filling hole 111 is arranged at one end of the housing 1 far away from the edging wheel 2, the oil through hole 31 opposite to the oil filling hole 111 is arranged on the sliding sleeve 3, the opening 32 communicated with the oil through hole 31 is arranged on the inner peripheral surface of the sliding sleeve 3 near one end of the edging wheel 2, and by injecting lubricating oil into the oil filling hole 111, the lubricating oil flows to one end of the sliding sleeve 3 near the edging wheel 2 through the oil filling hole 111 and the oil through hole 31 in sequence and flows to the bearings at the end from the opening 32 position of the inner peripheral surface of the sliding sleeve 3, so that lubrication is provided, and because the oil filling hole 111 is arranged at one end of the housing 1 far away from the edging wheel 2, when the equipment is in the working process, the lubricating oil can be conveniently added by operators, the bearing system does not stop and the production efficiency and the convenience of the use operation of the edging machine is improved.
Specifically, the housing 1 of the present embodiment includes a flange 11, a grinding head base 12, and an end cover 13.
The first drive shaft 4 is driven in rotation by a first rotary drive mechanism passing through the flange 11. The first rotary driving mechanism of this embodiment is a large motor 5, the casing of the large motor 5 is fixed with a flange 11, and the motor shaft of the large motor 5 is connected with a first driving shaft 4 through a coupling.
The end cover 13 is arranged at one end of the grinding head seat 12, the end cover 13 is connected with the grinding head seat 12 to form a first transmission cavity a, a first transmission part 6 used for driving the sliding sleeve 3 to move along the axial direction of the first driving shaft 4 is arranged in the first transmission cavity a, and the sliding sleeve 3 penetrates through the first transmission cavity a. A second transmission chamber b communicated with the first transmission chamber a is formed in the grinding head seat 12, and a second driving shaft 71 and a second transmission member 72 connected with the first driving shaft 4 and used for driving the first transmission member 6 to rotate are arranged in the second transmission chamber b. The second transmission chamber b circumferentially wraps one end of the second driving shaft 71, and the other end of the second driving shaft 71 extends out of the second transmission chamber b and is connected with a second rotation driving mechanism. The second rotary drive mechanism of this embodiment is a feed motor reducer assembly 73.
The existing high-precision feeding edge grinding head is more in general parts and complex to assemble. As shown in fig. 1, when the shell is machined, the grinding head seat 4' and the box cover 12' are required to be manufactured in a matching way, when the shell is assembled, the front end cover assembly 7' is required to be pressed into the grinding head seat 4', then the large gear 5' and the sliding sleeve 6' are inserted, finally the gland 8' is locked, and the box cover 12' is assembled on the grinding head seat 4', so that the assembly process is more.
The shell of the embodiment eliminates the front end cover assembly 7' and the box cover 12', the grinding head seat adopts the casting form to integrate the structures of the original grinding head seat 4', the front end cover assembly 7' and the box cover 12', and the production and assembly flow is simplified.
In this embodiment, the second driving shaft 71 is disposed to intersect the first driving shaft 4, the first transmission member 6 is a driven gear, the second transmission member 72 is a driving gear fixed to the second driving shaft 71, the driving gear and the driven gear are helical gears, the driving gear and the driven gear are engaged with each other, and the driven gear is in threaded connection with the outer peripheral surface of the sliding sleeve 3. The driven gear rotates to enable the sliding sleeve 3 to axially enter, and the driven gear is connected with the sliding sleeve 3 through fine threads so as to ensure feeding accuracy.
When the equipment works, the feeding motor reducer assembly drives the second driving shaft 71 to rotate, a driving gear on the second driving shaft 71 is meshed with a driven gear to drive the driven gear to rotate, the driven gear is in threaded connection with the sliding sleeve 3, the driven gear rotates to drive the sliding sleeve 3 to axially feed, and the sliding sleeve 3 axially feeds to push the first driving shaft 4 to axially feed, so that the axial feeding of the whole edge grinding wheel 2 is realized. Simultaneously, the large motor 5 drives the first driving shaft 4 to rotate through the coupler, so that the rotational movement of the edge grinding wheel 2 is realized.
The bearing on the first driving shaft 4 in this embodiment is a combination of a double row angular contact ball bearing 41 and a deep groove ball bearing 42. Wherein, be close to the one end of edging wheel 2 is equipped with biserial angular contact ball bearing 41, first drive shaft 4 is far away from the one end of edging wheel 2 is equipped with deep groove ball bearing 42. The high-precision edging head of this embodiment receives a large radial force and a certain axial force when the edging wheel 2 works, and the high-speed rotation causes the first driving shaft 4 to generate heat and become long, so that the high-precision edging head is fixed by the double-row angular contact ball bearing 41, and the deep groove ball bearing 42 moves relative to the sliding sleeve 3 to form a supporting structure. The double-row angular contact ball bearing 41 can bear larger axial force, the sliding sleeve 3 can push the first driving shaft 4 to axially feed by pushing the double-row angular contact ball bearing 41, and the deep groove ball bearing 42 moves relative to the sliding sleeve 3, so that the situation that the bearing is blocked due to deformation of the first driving shaft 4 can be avoided.
Besides the double row angular contact ball bearings 41 used in this embodiment near the end of the edging wheel 2, the end near the edging wheel 2 can be replaced by the following bearings according to different working conditions:
As shown in fig. 5, the tapered roller bearings 43 mounted in pairs can bear a large axial load, but have a low limit rotation speed.
As shown in fig. 6, the paired angular contact ball bearings 44 have a larger bending rigidity, but a wider width than the double row angular contact ball bearings.
As shown in fig. 7, the cylindrical roller bearing 45+the deep groove ball bearing 42 is capable of bearing a large radial load, while the deep groove ball bearing is capable of bearing a certain bidirectional axial load.
The first transmission member 6 and the second transmission member 72 of the present utility model can be replaced by worm gear transmission except for the helical gear transmission mode of the present embodiment, and the worm gear transmission ratio is large, but compared with the helical gear transmission, the helical gear transmission has the advantages of low transmission efficiency, poor stability and large noise.
The coupling for connecting the large motor 5 and the first driving shaft 4 can be a star-shaped elastic coupling or a tooth-shaped coupling according to different working conditions. The star-shaped elastic coupling consists of two half couplings and one star-shaped elastomer, wherein the two four-claw half couplings are inserted into eight gaps of the star-shaped elastomer in a staggered manner to form the coupling, and rotary motion can be transmitted through a flat key. The tooth-type coupling consists of two half couplings, a hole elastic retainer ring and a coupling sleeve, wherein the two gear-type half couplings are inserted into an internal gear-type coupling sleeve, the middle of the two gear-type half couplings are separated by the hole elastic retainer ring, and the coupling can transmit rotary motion through a flat key.
The prior art generally uses a set screw to push up the grinding head seat 34' on the rear end cover assembly 3' so as to adjust the axial clearance of the main shaft system 9' in the grinding head, thereby realizing the control of the movement of the grinding head, but the adjustment mode is difficult to ensure the adjustment precision. Referring to fig. 8, in this embodiment, an adjusting pad 8 with a thickness of 0.03mm to 0.2mm is disposed between the end cover 13 and the grinding head base 12. The adjusting pad 8 is an annular sheet made of red copper, stainless steel and the like, and is provided with a notch. In the embodiment, the play gap of the grinding head can be accurately adjusted by adding a proper number of uniform-thickness adjusting pads 8 between the end cover 13 and the grinding head seat 12.
During assembly, the second transmission member 72 and the second driving shaft 71 are inserted into the mill head seat 12, then the first transmission member 6 and the sliding sleeve 3 which are in threaded connection are inserted, then the end cover 13 is installed to fix the first transmission member 6, the axial clearance of the position of the first transmission member 6 is adjusted by adding a proper amount of the adjusting pad 8 when the end cover 13 is installed, the first driving shaft 4 is inserted into the sliding sleeve 3, and finally the flange 11, the large motor 5, the feeding motor reducer assembly 73 and the like are installed.
In this embodiment, the oil hole 111 is provided in the flange 11. The oil hole 111 on the flange 11 specifically includes a radial section and an axial section, the radial section extends along the radial direction of the first driving shaft 4, the axial section extends along the axial direction of the first driving shaft 4, the oil hole 31 extends along the axial direction of the first driving shaft 4, and the oil hole 31 is opposite to the axial section. The radial section of the oil filling hole 111 is internally provided with an oil filling nozzle 9, lubricating oil is filled into the oil filling hole 111 through the oil filling nozzle 9, and when the axial section of the oil filling hole 111 is in butt joint with the oil through hole 31, the lubricating oil flows to one end of the sliding sleeve 3 close to the edging wheel 2 through the radial section of the oil filling hole 111, the axial section of the oil filling hole 111 and the oil through hole 31 in sequence, and flows to a bearing at the end from the position of an opening 32 on the inner peripheral surface of the sliding sleeve 3.
Because gaps exist between the sliding sleeve 3 and the grinding head seat 12 and between the sliding sleeve and the end cover 13 after assembly, in order to reduce vibration generated by the first driving shaft 4 and the sliding sleeve 3 when the grinding head works, in combination with fig. 9, the grinding head seat 12 is provided with a damping hole, an elastic compression member 101 and a locking block 102 are arranged in the damping hole, the grinding head seat 12 is provided with a gland 103 which is fixed with the elastic compression member and seals the damping hole, and a gasket 104, one end of the elastic compression member 101 is connected with the gland 103, the other end of the elastic compression member is connected with the locking block 102, and the locking block 102 is in butt joint with the outer peripheral surface of the sliding sleeve 3.
The gland 103 and the grinding head seat 12 are in threaded connection through fasteners such as bolts 105 and knurled screws, the bolts 105 and the knurled screws are screwed down, the gasket 104 can be pressed down to compress the elastic compression piece 101, and the elastic force generated by the compressed elastic compression piece 101 gives a downward force to the locking block 102, so that the sliding sleeve 3 is compressed, and the effects of buffering and damping are achieved.
The elastic compression member 101 of this embodiment may be a compression spring, or may be a material with good elasticity such as rubber, and the compression spring and the rubber compress the locking block 102 by the elastic force generated by compression deformation, so as to lock the sliding sleeve 3.
The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.
Claims (10)
1. A high-precision feeding edging head is characterized by comprising a shell, an edging wheel, a sliding sleeve and a first driving shaft, wherein two ends of the first driving shaft are respectively arranged in the sliding sleeve, the sliding sleeve and the first driving shaft can move in the shell along the axial direction of the first driving shaft, one end of the first driving shaft is connected with the edging wheel, and the other end of the first driving shaft is connected with the edging wheel, wherein the first driving shaft is fixed on the outer shell through the sliding sleeve
The shell is provided with an oil hole, the sliding sleeve is provided with an oil hole opposite to the oil hole, and an opening communicated with the oil hole is formed in the inner peripheral surface of the sliding sleeve, which is close to one end of the edge grinding wheel.
2. The high-precision feeding edging head according to claim 1, characterized in that the housing comprises a edging head seat, a flange plate and an end cover, the oil filling hole is formed in the flange plate, the end cover is arranged at one end of the edging head seat, the end cover is connected with the edging head seat to form a first transmission cavity, a first transmission part for driving the sliding sleeve to move along the axial direction of the first driving shaft is arranged in the first transmission cavity, and the sliding sleeve penetrates through the first transmission cavity.
3. The high precision feed edging head of claim 2, characterized in that an adjustment pad is provided between the end cap and the edging head base.
4. The high-precision feeding edging head according to claim 3, wherein a second transmission chamber communicated with the first transmission chamber is formed in the edging head seat, a second driving shaft is arranged in the second transmission chamber, and a second transmission member is connected with the first driving shaft and used for driving the first transmission member to rotate.
5. The high precision feed edging head according to claim 4, wherein the first transmission member is a driven gear, the second transmission member is a driving gear, the driving gear is meshed with the driven gear, the driving gear is fixed with a second driving shaft, and the driven gear is in threaded connection with the outer peripheral surface of the sliding sleeve.
6. The high precision feed edge grinding head as defined in claim 4 wherein the first drive shaft is rotated by a first rotary drive mechanism passing through the flange;
the second transmission chamber circumferentially wraps one end of the second driving shaft, and the other end of the second driving shaft extends out of the second transmission chamber and is connected with the second rotary driving mechanism.
7. The high-precision feed edging head according to claim 1, characterized in that the oil filling hole comprises a radial section and an axial section, the radial section is arranged along the radial extension of the first driving shaft, the axial section is arranged along the axial extension of the first driving shaft, the oil through hole is arranged along the axial extension of the first driving shaft, and the oil through hole is opposite to the axial section.
8. The high precision feed edging head according to claim 1, characterized in that the end of the first drive shaft close to the edging wheel is provided with a double row angular contact ball bearing, and the end of the first drive shaft remote from the edging wheel is provided with a deep groove ball bearing.
9. The high-precision feeding edging head according to claim 2, characterized in that the edging head seat is provided with a damping hole, an elastic compression piece and a locking block are arranged in the damping hole, the edging head seat is provided with a gland which is fixed with the damping hole and seals the damping hole, one end of the elastic compression piece is connected with the gland, the other end of the elastic compression piece is connected with the locking block, and the locking block is abutted against the peripheral surface of the sliding sleeve.
10. The high precision feed edging head of claim 1, characterized in that the oil filler hole is internally provided with an oil filler neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421116631.5U CN222386722U (en) | 2024-05-21 | 2024-05-21 | A high-precision feed edge grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421116631.5U CN222386722U (en) | 2024-05-21 | 2024-05-21 | A high-precision feed edge grinding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222386722U true CN222386722U (en) | 2025-01-24 |
Family
ID=94290721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421116631.5U Active CN222386722U (en) | 2024-05-21 | 2024-05-21 | A high-precision feed edge grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222386722U (en) |
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2024
- 2024-05-21 CN CN202421116631.5U patent/CN222386722U/en active Active
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