CN210686857U - Workbench transmission structure - Google Patents
Workbench transmission structure Download PDFInfo
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- CN210686857U CN210686857U CN201921593021.3U CN201921593021U CN210686857U CN 210686857 U CN210686857 U CN 210686857U CN 201921593021 U CN201921593021 U CN 201921593021U CN 210686857 U CN210686857 U CN 210686857U
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Abstract
The utility model discloses a workstation transmission structure, through the utility model discloses a structure makes the cavity of installation worm gear structure form the seal chamber to prevent that lubricating oil from spilling, add proper amount lubrication thin oil through the oiling mouth, reach lubricated purpose. Meanwhile, the larger heat generated by the meshing rotation of the worm and gear and the expanded gas are discharged from the tail gas outlet to achieve heat exchange, and the silencer plays a role in reducing noise. A part of the rotating lubricating oil splashed to the bearing by the worm shaft plays a role of lubricating the bearing at the same time, and the loss and the dissipation of the lubricating oil are also prevented. The oil is in the cavity for cyclic utilization. The liquid level is observed through an external oil mirror at ordinary times, the oil quantity is added according to the requirement, and the lubricating oil is replaced within the service life of the lubricating oil. The maintenance is simple, safe, convenient and easy, and the pollution is reduced.
Description
Technical Field
The utility model belongs to the technical field of mechanical transmission part, especially, it is relevant with a lubricated effectual workstation transmission structure.
Background
The existing workbench used on a machine tool needs to realize power transmission between two staggered shafts through a transmission structure, the existing transmission structure generally adopts a worm and gear structure, however, when the worm and gear structure is in meshing transmission, the relative sliding speed between meshing wheel teeth is high, so that the friction loss is large. On the other hand, the large relative sliding speed causes severe wear and heat generation of the tooth surface, and in order to dissipate heat and reduce wear, materials with good antifriction and wear resistance and good lubricating devices are often needed. At present, common lubricating modes of a transmission mechanism of a workbench comprise grease lubrication, quantitative oil pump oil dripping lubrication and the like. Because the input shaft is driven by the motor to be in a high-speed running state, grease smeared on the worm gear in a grease lubricating mode is easy to throw off and then gradually lost, so that the lubricating state must be paid attention to; the quantitative lubrication has a limit on the selection of a lubrication path, and the lubricating oil is not recycled in a closed loop and is always in an open loss state, so that the pollution is caused to a machine tool, and the inconvenience is brought to the overhaul.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned background exists, the utility model aims at providing a lubricated effectual workstation transmission structure.
Therefore, the utility model adopts the following technical scheme: a transmission structure of a workbench comprises a worm gear structure, the worm gear structure comprises a worm gear shaft, a worm wheel, a worm and a worm shaft, the worm wheel is sleeved on the worm gear shaft and is in meshed transmission connection with the worm, the worm is arranged on the worm shaft in a penetrating way, and the transmission structure is characterized in that,
the worm wheel shaft is vertically arranged, the upper section of the worm wheel shaft is supported and installed on a box body casting through an angular contact bearing, the lower section of the worm wheel shaft is supported and installed on the box body casting through a deep groove ball bearing, a first spacer is arranged between the worm wheel and the angular contact bearing, the angular contact bearing is locked and limited through the first spacer, the upper part of the angular contact bearing is pressed through a gland, the inner end of the gland is provided with an extension arm which extends axially and is abutted against the end surface of the outer ring of the angular contact bearing, the inner hole of the gland is in a step hole shape with a large middle part and two small ends, the middle section of the inner hole of the gland is provided with a dust ring, the lower section hole of the inner hole of the gland is abutted and matched with the worm wheel shaft, a second spacer is arranged between the worm wheel and the deep groove ball bearing, the deep groove ball bearing is locked and limited through the second, the inner end of the flange cover is provided with an axial extension and is matched with the inner hole wall of the deep groove ball bearing in a sticking way, the bottom surface of the worm wheel shaft is positioned above the flange cover, and the outer edge part of the inner end of the flange cover is fixed with the outer side surface of the box body casting through a sealing ring and is sealed in a propping way;
the worm shaft is horizontally arranged, one end of the worm shaft is supported and mounted on a box casting through a tapered roller bearing, the other end of the worm shaft is supported and mounted on the box casting through a deep groove ball bearing, a third spacer bush is arranged between the worm and the tapered roller bearing, the tapered roller bearing is locked and limited through the third spacer bush, a fourth spacer bush is arranged between the worm and the deep groove ball bearing, and the deep groove ball bearing is locked and limited through the fourth spacer bush; one end of a worm shaft sleeved with a deep groove ball bearing is used as an input end, the outer end of the deep groove ball bearing is provided with a flange gland, the inner end of the flange gland is provided with an axial extension and is sealed and attached to and matched with the inner hole wall penetrating and installing the deep groove ball bearing through a sealing ring so as to realize radial sealing with a box body casting, the worm shaft penetrates through a central hole of the flange gland, and the central hole and the worm shaft are sealed through a framework rotating sealing ring so as to realize relative rotation of the worm and the flange gland; the outer end of the tapered roller bearing is provided with a flange, and the inner end of the flange is provided with an axial extension and is sealed and matched with the inner hole wall of the tapered roller bearing in an attached manner through a sealing ring;
an oil filling mounting hole is formed in the position, opposite to the worm wheel shaft, of the box body casting, the oil filling mounting hole is covered through a pressing plate, the pressing plate is in sealing fit with the outer side face of the box body casting through a sealing ring, an oil filling hole opposite to the oil filling mounting hole is formed in the pressing plate, and the oil filling hole is a threaded hole and is sealed through a threaded plug; an observation port is arranged at the position lower than the oil filling port, and a mirror surface is arranged at the position of the observation port.
As the supplement and improvement to the technical proposal, the utility model also comprises the following technical characteristics.
A shoulder part is arranged at the position, close to the deep groove ball bearing, of the worm shaft, and the third spacer bush abuts against the shoulder part; the worm-gear shaft is provided with a shoulder near the angular contact bearing, the top of the angular contact bearing is abutted against the shoulder, the number of the first spacers is two, and the shoulder for separating the two first spacers is arranged on the worm-gear shaft, so that the locking and limiting effects on the bearing are improved.
And a silencer is arranged on the flange.
The utility model discloses following beneficial effect can be reached: through the utility model discloses a cavity that the structure made installation worm gear structure forms the seal chamber to prevent that lubricating oil from spilling, add proper amount lubrication thin oil through the oiling mouth, require to reach the minimum face of outer cylinder with the worm and the minimum face of the vertical direction of worm wheel between, it is rotatory through the motor direct drive worm, drive lubricating oil to meshing surface, reach lubricated purpose. Meanwhile, the larger heat generated by the meshing rotation of the worm and gear and the expanded gas are discharged from the tail gas outlet to achieve heat exchange, and the silencer plays a role in reducing noise. Because the two ends of the two shafts are provided with the bearings, part of the lubricating oil splashed to the bearings by the rotation of the worm shaft plays a role in lubricating the bearings at the same time, and the loss and the dissipation of the lubricating oil are also prevented. The oil is in the cavity for cyclic utilization. The liquid level is observed through an external oil mirror at ordinary times, the oil quantity is added according to the requirement, and the lubricating oil is replaced within the service life of the lubricating oil. The maintenance is simple, safe, convenient and easy, and the pollution is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic sectional view taken at B-B in FIG. 1.
Fig. 3 is a schematic view of the direction of C in fig. 1.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-4, the workbench transmission structure of the present invention comprises a worm gear structure, the worm gear structure comprises a worm gear shaft 1, a worm gear 2, a worm 3 and a worm shaft 4, the worm gear is sleeved on the worm gear shaft and is engaged with the worm, the worm is installed on the worm shaft in a penetrating manner, the worm gear shaft is vertically arranged, the upper section of the worm gear shaft is supported and installed on a box casting 5 through an angular contact bearing 11, the lower section of the worm gear shaft is supported and installed on the box casting through a deep groove ball bearing 12, a first spacer 13 is arranged between the worm gear and the angular contact bearing, the angular contact bearing is locked and limited through the first spacer, the upper part of the angular contact bearing is pressed through a gland 15, the inner end of the gland is provided with an extension arm which extends axially and is abutted against the outer ring end face of the angular contact bearing, the inner hole of the gland is in a step shape, the lower section hole of the inner hole of the gland is abutted to the worm wheel shaft and matched, a second spacer 14 is arranged between the worm wheel and the deep groove ball bearing, the deep groove ball bearing is locked and limited through the second spacer, a flange cover 17 is arranged below the deep groove ball bearing, the inner end of the flange cover is provided with axial extension and is abutted to the inner hole wall of the deep groove ball bearing in a penetrating mode and matched, the bottom surface of the worm wheel shaft is located above the flange cover, and the outer edge part of the inner end of the flange cover is fixed to the outer side face of the box casting through a sealing ring and is abutted to the matched sealing.
The worm shaft 4 is horizontally arranged, one end of the worm shaft is supported and mounted on the box body casting through a tapered roller bearing 21, the other end of the worm shaft is supported and mounted on the box body casting through a deep groove ball bearing, a third spacer 22 is arranged between the worm and the tapered roller bearing, the tapered roller bearing is locked and limited through the third spacer, a fourth spacer 23 is arranged between the worm and the deep groove ball bearing, and the deep groove ball bearing is locked and limited through the fourth spacer; one end of the worm shaft, which is sleeved with the deep groove ball bearing, is used as an input end, the outer end of the deep groove ball bearing is provided with a flange gland 24, the inner end of the flange gland is provided with an axial extension and is sealed and attached to and matched with the inner hole wall of the deep groove ball bearing penetrating through the deep groove ball bearing through a sealing ring, so that the radial sealing with a box body casting is realized, the worm shaft penetrates through a central hole of the flange gland, the central hole and the worm shaft are sealed through a framework rotating sealing ring, and the relative rotation of the; the outer end of the tapered roller bearing is provided with a flange 25, the inner end of the flange is provided with an axial extension and is sealed and attached with the inner hole wall of the tapered roller bearing through a sealing ring, and a silencer 26 is arranged on the flange; an oil filling mounting hole is formed in the position, opposite to the worm wheel shaft, of the box body casting, the oil filling mounting hole is covered through a pressing plate 31, the pressing plate is in sealing fit with the outer side face of the box body casting through a sealing ring, an oil filling hole 32 opposite to the oil filling mounting hole is formed in the pressing plate, and the oil filling hole is a threaded hole and is sealed through a threaded plug; an observation port 33 is arranged at a position lower than the oil filling port, and a mirror surface is arranged at the observation port.
Furthermore, a shoulder part is arranged at the position, close to the deep groove ball bearing, of the worm shaft, and the third spacer bush abuts against the shoulder part; the worm-gear shaft is provided with the shoulder near angular contact bearing, and angular contact bearing's top is supported and is leaned on in the shoulder, and first spacer quantity is two, is provided with the shoulder that leans on that is used for separating two first spacers on the worm-gear shaft to improve the locking limiting displacement to the bearing.
Claims (3)
1. The utility model provides a workstation transmission structure, includes the worm gear structure, the worm gear structure includes worm-gear shaft, worm wheel, worm and worm axle, the worm wheel suit in the worm-gear shaft and with the worm meshing transmission connect, the worm wears to adorn in worm axle, its characterized in that:
the worm wheel shaft is vertically arranged, the upper section of the worm wheel shaft is supported and installed on a box body casting through an angular contact bearing, the lower section of the worm wheel shaft is supported and installed on the box body casting through a deep groove ball bearing, a first spacer is arranged between the worm wheel and the angular contact bearing, the angular contact bearing is locked and limited through the first spacer, the upper part of the angular contact bearing is pressed through a gland, the inner end of the gland is provided with an extension arm which extends axially and is abutted against the end surface of the outer ring of the angular contact bearing, the inner hole of the gland is in a step hole shape with a large middle part and two small ends, the middle section of the inner hole of the gland is provided with a dust ring, the lower section hole of the inner hole of the gland is abutted and matched with the worm wheel shaft, a second spacer is arranged between the worm wheel and the deep groove ball bearing, the deep groove ball bearing is locked and limited through the second, the inner end of the flange cover is provided with an axial extension and is matched with the inner hole wall of the deep groove ball bearing in a sticking way, the bottom surface of the worm wheel shaft is positioned above the flange cover, and the outer edge part of the inner end of the flange cover is fixed with the outer side surface of the box body casting through a sealing ring and is sealed in a propping way;
the worm shaft is horizontally arranged, one end of the worm shaft is supported and mounted on a box casting through a tapered roller bearing, the other end of the worm shaft is supported and mounted on the box casting through a deep groove ball bearing, a third spacer bush is arranged between the worm and the tapered roller bearing, the tapered roller bearing is locked and limited through the third spacer bush, a fourth spacer bush is arranged between the worm and the deep groove ball bearing, and the deep groove ball bearing is locked and limited through the fourth spacer bush; one end of the worm shaft sleeved with the deep groove ball bearing is used as an input end, the outer end of the deep groove ball bearing is provided with a flange gland, the inner end of the flange gland is provided with an axial extension which is sealed and matched with the inner hole wall penetrating and installing the deep groove ball bearing in an attached mode through a sealing ring, the worm shaft penetrates through a central hole of the flange gland, and the central hole and the worm shaft are sealed through a framework rotating sealing ring; the outer end of the tapered roller bearing is provided with a flange, and the inner end of the flange is provided with an axial extension and is sealed and matched with the inner hole wall of the tapered roller bearing in an attached manner through a sealing ring;
an oil filling mounting hole is formed in the position, opposite to the worm wheel shaft, of the box body casting, the oil filling mounting hole is covered through a pressing plate, the pressing plate is in sealing fit with the outer side face of the box body casting through a sealing ring, an oil filling hole opposite to the oil filling mounting hole is formed in the pressing plate, and the oil filling hole is a threaded hole and is sealed through a threaded plug; an observation port is arranged at the position lower than the oil filling port, and a mirror surface is arranged at the position of the observation port.
2. A table transmission structure according to claim 1, wherein: a shoulder part is arranged at the position, close to the deep groove ball bearing, of the worm shaft, and the third spacer bush abuts against the shoulder part; the worm wheel shaft is provided with a shoulder close to the angular contact bearing, the top of the angular contact bearing is abutted against the shoulder, the number of the first spacers is two, and the worm wheel shaft is provided with the shoulder for separating the two first spacers.
3. A table transmission structure according to claim 1 or 2, wherein: and a silencer is arranged on the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593021.3U CN210686857U (en) | 2019-09-24 | 2019-09-24 | Workbench transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593021.3U CN210686857U (en) | 2019-09-24 | 2019-09-24 | Workbench transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686857U true CN210686857U (en) | 2020-06-05 |
Family
ID=70883925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921593021.3U Active CN210686857U (en) | 2019-09-24 | 2019-09-24 | Workbench transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686857U (en) |
-
2019
- 2019-09-24 CN CN201921593021.3U patent/CN210686857U/en active Active
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