CN211574028U - Combined bearing for stainless steel guide rail of food packaging machine - Google Patents
Combined bearing for stainless steel guide rail of food packaging machine Download PDFInfo
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- CN211574028U CN211574028U CN201922204554.4U CN201922204554U CN211574028U CN 211574028 U CN211574028 U CN 211574028U CN 201922204554 U CN201922204554 U CN 201922204554U CN 211574028 U CN211574028 U CN 211574028U
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Abstract
The utility model discloses a food packaging machinery's combination bearing for stainless steel guide rail, including identical first bearing and second bearing, the inner circle of first bearing and the inner circle centering of second bearing are connected, the inner circle of first bearing and the one side in opposite directions of the inner circle of second bearing paste tightly, the clearance has between the outer lane of first bearing and the one side in opposite directions of the outer lane of second bearing, the surface of the outer lane of first bearing is equipped with the first annular inclined plane towards the second bearing, the surface of the outer lane of second bearing is equipped with the second annular inclined plane towards first bearing, contained angle between first annular inclined plane and the second annular inclined plane cooperatees with food packaging machinery's stainless steel guide rail's guide surface. The combined bearing has a compact structure and is convenient to install, and the bounce of the bearing can be controlled within 0.005 mu m while the precise linear motion of the stainless steel guide rail is realized, so that the bounce and the shake of the bearing are greatly reduced, the abrasion of the bearing is reduced, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to a combination bearing specifically is a food packaging machinery's combination bearing for stainless steel guide rail.
Background
The stainless steel guide rail bearing of the existing food packaging machine usually comprises two bearings which are independently assembled, and due to the difference of the self precision and the assembly precision of the bearing, after the two bearings are installed and used, the two bearings can jump and shake in the rotating process, the jumping amount of the two bearings is about 0.05 mm generally, abnormal sound is caused, the abrasion of the bearing is aggravated, and the service life of the bearing is prolonged.
Disclosure of Invention
The utility model aims to solve the technical problem that, to prior art not enough, provide a compact structure, simple to operate's combination bearing for stainless steel guide rail, when realizing food packaging machinery's stainless steel guide rail's accurate linear motion, can be with the beat control of bearing within 0.005 mu m to reduce beating of bearing and rock by a wide margin, and reduce the wearing and tearing of bearing, prolong the life of bearing.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a combined bearing for a stainless steel guide rail of a food packaging machine comprises a first bearing and a second bearing which are completely identical, wherein an inner ring of the first bearing is in centering connection with an inner ring of the second bearing, one side surface of the first bearing, which is opposite to the inner ring of the second bearing, is tightly attached to one side surface of the first bearing, a gap is formed between an outer ring of the first bearing and one side surface of the second bearing, a first annular inclined surface facing the second bearing is arranged on the outer surface of the outer ring of the first bearing, the first annular inclined surface is inclined to the second bearing from the outer surface of the first bearing, a second annular inclined surface facing the first bearing is arranged on the outer surface of the outer ring of the second bearing, and the second annular inclined surface is inclined to the first bearing from the outer surface of the second bearing, the included angle between the first annular inclined plane and the second annular inclined plane is matched with the guide rail surface of the stainless steel guide rail of the food packaging machine.
The utility model discloses food packaging machinery's combined bearing for stainless steel guide rail, the inner circle of its first bearing and the inner circle centering of second bearing are connected as an organic wholely, leave the clearance between the outer lane of first bearing and the outer lane of second bearing, can guarantee that the outer lane of first bearing and the outer lane of second bearing can independently rotate. The combined bearing is compact in structure and convenient to install, and can control the jumping of the bearing within 0.005 mu m while realizing the precise linear motion of a stainless steel guide rail of a food packaging machine, so that the jumping and the swinging of the bearing are greatly reduced, the abrasion of the bearing is reduced, and the service life of the bearing is prolonged.
Preferably, the included angle between the first annular inclined surface and the second annular inclined surface is 60 degrees. The included angle of 60 degrees is matched with the guide surface of the stainless steel guide rail of the conventional food packaging machine.
Preferably, a clearance between the facing side surfaces of the outer ring of the first bearing and the outer ring of the second bearing is 0.05 ± 0.01 mm. 0.05 +/-0.01 mm of clearance, under the prerequisite of guaranteeing that the outer lane of first bearing and the outer lane of second bearing can independently rotate, can guarantee combination bearing overall structure's compactness.
Preferably, the inner ring of the first bearing and the inner ring of the second bearing are connected in a centering manner through a locking mechanism, the locking mechanism comprises an eccentric screw rod and a flat head screw, the eccentric screw rod comprises a polished rod, a flange and a threaded rod which are integrally arranged, the polished rod and the threaded rod are respectively arranged on two sides of the flange, the polished rod and the threaded rod are eccentrically arranged along the central line, the outer surface of the threaded rod is provided with external threads, the threaded rod is used for being in threaded connection with a workbench of a food packaging machine, an internal threaded hole is formed in the polished rod, a first shaft hole is formed in the inner ring of the first bearing, a second shaft hole is formed in the inner ring of the second bearing, the polished rod is simultaneously inserted in the first shaft hole and the second shaft hole, and the main body of the flat head screw is inserted in the first shaft hole and is in threaded connection with the polished rod, the side surface of one side of the flange, which is close to the polish rod, is tightly attached to the outer side surface of the second bearing, and the inner ring of the first bearing and the inner ring of the second bearing are tightly pressed between the screw head of the flat head screw and the flange. After the first bearing, the second bearing, the flat head screw and the eccentric screw rod are assembled, the inner ring of the first bearing and the inner ring of the second bearing can be tightly fixed by rotating and adjusting the screw rod of the eccentric screw rod, the operation is convenient, and the fixing effect is good.
Furthermore, a third annular inclined surface facing the screw head of the flat head screw is arranged on the inner surface of the inner ring of the first bearing, a fourth annular inclined surface matched with the third annular inclined surface is arranged on the screw head of the flat head screw, and the third annular inclined surface is tightly attached to the fourth annular inclined surface. The third annular inclined plane is matched with the fourth annular inclined plane, so that the contact area between the screw head of the flat head screw and the inner ring of the first bearing is increased, and the compression effect on the inner rings of the two bearings is ensured.
Preferably, the first bearing and the second bearing are provided with sealing mechanisms with the same structure on two sides respectively, each sealing mechanism on two sides of the first bearing comprises a dustproof cover and an elastic snap ring, the dustproof covers are arranged on the radial outer sides of the inner rings of the first bearings and located on one sides of inner holes of the outer rings of the first bearings, and the dustproof covers are pressed and fixed on the outer rings of the first bearings through the elastic snap rings. The sealing structure is simple and convenient to install.
Furthermore, the dust cover be the dust cover of no turn-up, the dust cover including the first radial flat board, swash plate and the radial flat board of second that the body coupling set up, first radial flat board set up the radial outside of the inner circle of first bearing, the radial flat board of second by snap ring compress tightly and fix the outer circle of first bearing. The dustproof cover is thin and easy to deform, so that the dustproof cover is inconvenient to manufacture by stamping. After the design of the dust cover without the turned edge is adopted, the dust cover does not need to be manufactured through a stamping process, the dust ring can be manufactured only through a common bending process, the manufacturing is simple, the overall strength and the dust-proof use effect of the dust cover can be guaranteed, and the deformation is avoided.
Preferably, the inner side of the outer ring of the first bearing is provided with an inwards concave annular arc groove and an annular right-angle groove, the annular arc groove and the annular right-angle groove are positioned on the outer side of an inner hole of the outer ring of the first bearing, the annular arc groove is close to the axial outer side of the first bearing, one side of the second radial flat plate is close to the annular right-angle groove, the other side of the second radial flat plate is pressed tightly by the elastic clamping ring, and the elastic clamping ring is embedded in the annular arc groove. The design of the annular arc groove and the annular right-angle groove ensures that the dust cover and the elastic snap ring are convenient and firm to install.
Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a food packaging machinery's combined bearing for stainless steel guide rail, the inner circle of its first bearing and the inner circle centering of second bearing are connected as an organic wholely, leave the clearance between the outer lane of first bearing and the outer lane of second bearing, can guarantee that the outer lane of first bearing and the outer lane of second bearing can independent rotation. The combined bearing is compact in structure and convenient to install, and can control the jumping of the bearing within 0.005 mu m while realizing the precise linear motion of a stainless steel guide rail of a food packaging machine, so that the jumping and the swinging of the bearing are greatly reduced, the abrasion of the bearing is reduced, and the service life of the bearing is prolonged.
Drawings
Fig. 1 is a schematic structural view of the combined bearing for the stainless steel guide rail of the food packaging machine of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The stainless steel guide rail combination bearing for the food packaging machine according to embodiment 1, as shown in fig. 1 and 2, includes a first bearing 1 and a second bearing 2 which are completely the same, in this embodiment, both the first bearing 1 and the second bearing 2 are made of S304 stainless steel, an inner ring 11 of the first bearing 1 and an inner ring 21 of the second bearing 2 are connected in a centering manner, one side surface of the inner ring 11 of the first bearing 1 and one side surface of the inner ring 21 of the second bearing 2 which face each other are abutted, a gap S of 0.05 mm is provided between one side surface of an outer ring 12 of the first bearing 1 and one side surface of an outer ring 22 of the second bearing 2 which face each other, an outer surface of the outer ring 12 of the first bearing 1 is provided with a first annular inclined surface 13 facing the second bearing 2, the first annular inclined surface 13 is inclined from the outer surface of the first bearing 1 to the second bearing 2, an outer surface of the outer ring 22 of the second bearing 2, the second annular inclined surface 23 is inclined from the outer surface of the second bearing 2 to the first bearing 1, and an included angle between the first annular inclined surface 13 and the second annular inclined surface 23 is matched with a guide surface of a stainless steel guide rail of a food packaging machine (not shown in the figure), and in the embodiment, an included angle α between the first annular inclined surface 13 and the second annular inclined surface 23 is 60 °.
In embodiment 1, the inner ring 11 of the first bearing 1 and the inner ring 21 of the second bearing 2 are connected by centering via a locking mechanism, the locking mechanism includes an eccentric screw rod 3 and a flat head screw 4, the eccentric screw rod 3 includes a polished rod 31, a flange 32 and a threaded rod 33 which are integrally arranged, the polished rod 31 and the threaded rod 33 are respectively arranged at two sides of the flange 32, the polished rod 31 and the threaded rod 33 are eccentrically arranged along a central line, an external thread is arranged on an outer surface of the threaded rod 33, the threaded rod 33 is used for being connected with a workbench of a food packaging machine by screw thread, an internal threaded hole 34 is arranged in the polished rod 31, a first shaft hole 14 is arranged on the inner ring 11 of the first bearing 1, a second shaft hole 24 is arranged on the inner ring 21 of the second bearing 2, the polished rod 31 is simultaneously inserted in the first shaft hole 14 and the second shaft hole 24, a main body of the flat head screw 4 is inserted in the internal threaded, the inner ring 11 of the first bearing 1 and the inner ring 21 of the second bearing 2 are arranged in a compressed manner between the screw head of the grub screw 4 and the flange 32.
In embodiment 1, the inner surface of the inner ring 11 of the first bearing 1 is provided with a third annular inclined surface 15 facing the screw head of the grub screw 4, the screw head of the grub screw 4 is provided with a fourth annular inclined surface 41 matched with the third annular inclined surface 15, and the third annular inclined surface 15 is attached to the fourth annular inclined surface 41.
The difference between the combined bearing for stainless steel guide rails of the food packaging machine according to embodiment 2 and embodiment 1 is that, in embodiment 2, sealing mechanisms having the same structure are respectively provided on both sides of the first bearing 1 and the second bearing 2, the sealing mechanisms on both sides of the first bearing 1 each include a dust cap 5 and a snap ring 51, the dust cap 5 is provided on the radial outer side of the inner ring 11 of the first bearing 1 and on one side of the inner hole 18 of the outer ring 12 of the first bearing 1, and the dust cap 5 is pressed and fixed on the outer ring 12 of the first bearing 1 by the snap ring 51.
A stainless steel guide rail combination bearing for a food packaging machine according to embodiment 3 differs from embodiment 2 in that in embodiment 3, the dust cap 5 is a non-curled dust cap 5, the dust cap 5 includes a first radial flat plate 52, a swash plate 53, and a second radial flat plate 54 integrally connected to each other, the first radial flat plate 52 is disposed radially outside the inner ring 11 of the first bearing 1, and the second radial flat plate 54 is pressed and fixed to the outer ring 12 of the first bearing 1 by a snap ring 51.
In embodiment 3, the inner side of the outer ring 12 of the first bearing 1 is provided with an inward concave annular arc groove 16 and an annular right-angle groove 17, the annular arc groove 16 and the annular right-angle groove 17 are located at the outer side of the inner hole 18 of the outer ring 12 of the first bearing 1, the annular arc groove 16 is close to the axial outer side of the first bearing 1, one side of the second radial flat plate 54 abuts against the annular right-angle groove 17, the other side of the second radial flat plate 54 is pressed by the elastic snap ring 51, and the elastic snap ring 51 is embedded in the annular arc groove 16.
Claims (8)
1. The utility model provides a food packaging machinery's combined bearing for stainless steel guide rail which characterized in that: comprises a first bearing and a second bearing which are identical, wherein the inner ring of the first bearing is connected with the inner ring of the second bearing in a centering way, the inner ring of the first bearing and the inner ring of the second bearing are attached to one side surface of the first bearing, a gap is arranged between the side surfaces of the outer ring of the first bearing and the outer ring of the second bearing which face each other, the outer surface of the outer ring of the first bearing is provided with a first annular inclined surface facing the second bearing, the first annular inclined plane is inclined from the outer surface of the first bearing to the second bearing, the outer surface of the outer ring of the second bearing is provided with a second annular inclined surface facing the first bearing, the second annular inclined surface is inclined from the outer surface of the second bearing to the first bearing, the included angle between the first annular inclined plane and the second annular inclined plane is matched with the guide rail surface of the stainless steel guide rail of the food packaging machine.
2. The combination bearing for the stainless steel guide rail of the food packaging machine as claimed in claim 1, wherein: the included angle between the first annular inclined surface and the second annular inclined surface is 60 degrees.
3. The combination bearing for the stainless steel guide rail of the food packaging machine as claimed in claim 1, wherein: and the clearance between the side surfaces of the outer ring of the first bearing and the outer ring of the second bearing at one opposite side is 0.05 +/-0.01 mm.
4. The combination bearing for the stainless steel guide rail of the food packaging machine as claimed in claim 1, wherein: the inner ring of the first bearing and the inner ring of the second bearing are in centering connection through a locking mechanism, the locking mechanism comprises an eccentric screw rod and a flat head screw, the eccentric screw rod comprises a polished rod, a flange and a threaded rod which are integrally arranged, the polished rod and the threaded rod are respectively arranged on two sides of the flange, the polished rod and the threaded rod are eccentrically arranged along the central line, the outer surface of the threaded rod is provided with an external thread, the threaded rod is used for being in threaded connection with a workbench of a food packaging machine, an internal threaded hole is formed in the polished rod, a first shaft hole is formed in the inner ring of the first bearing, a second shaft hole is formed in the inner ring of the second bearing, the polished rod is simultaneously inserted in the first shaft hole and the second shaft hole, and the main body of the flat head screw is inserted in the internal threaded hole and is in threaded connection with the polished rod, the side surface of one side of the flange, which is close to the polish rod, is tightly attached to the outer side surface of the second bearing, and the inner ring of the first bearing and the inner ring of the second bearing are tightly pressed between the screw head of the flat head screw and the flange.
5. The combination bearing for stainless steel guide rail of food packaging machine according to claim 4, wherein: the inner surface of the inner ring of the first bearing is provided with a third annular inclined surface facing the screw head of the grub screw, the screw head of the grub screw is provided with a fourth annular inclined surface matched with the third annular inclined surface, and the third annular inclined surface is tightly attached to the fourth annular inclined surface.
6. The combination bearing for the stainless steel guide rail of the food packaging machine as claimed in claim 1, wherein: first bearing with the both sides of second bearing be provided with the same sealing mechanism of structure respectively, the sealing mechanism of first bearing both sides all include shield and snap ring, the shield set up the radial outside of the inner circle of first bearing and be located one side of the hole of the outer lane of first bearing, the shield by snap ring compress tightly and fix the outer lane of first bearing on.
7. The combination bearing for stainless steel guide rail of food packaging machine according to claim 6, wherein: the dustproof cover be the dustproof cover of no turn-up, the dustproof cover including the first radial dull and stereotyped, swash plate and the radial dull and stereotyped of second of body coupling setting, first radial dull and stereotyped setting be in the radial outside of the inner circle of first bearing, the radial dull and stereotyped of second by snap ring compress tightly and fix the outer circle of first bearing on.
8. The combination bearing for the stainless steel guide rail of the food packaging machine as claimed in claim 7, wherein: the inboard of the outer lane of first bearing be provided with the annular arc groove and the annular right angle groove of indent, annular arc groove and annular right angle groove be located the outside of the hole of the outer lane of first bearing, the annular arc groove be close to the axial outside of first bearing, the radial dull and stereotyped one side of second near annular right angle groove, the radial dull and stereotyped opposite side of second by snap ring compress tightly, snap ring inlay and establish the annular arc inslot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204554.4U CN211574028U (en) | 2019-12-11 | 2019-12-11 | Combined bearing for stainless steel guide rail of food packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204554.4U CN211574028U (en) | 2019-12-11 | 2019-12-11 | Combined bearing for stainless steel guide rail of food packaging machine |
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| Publication Number | Publication Date |
|---|---|
| CN211574028U true CN211574028U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204554.4U Active CN211574028U (en) | 2019-12-11 | 2019-12-11 | Combined bearing for stainless steel guide rail of food packaging machine |
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| CN (1) | CN211574028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233757A (en) * | 2021-11-24 | 2022-03-25 | 常熟长城轴承有限公司 | Novel dust cover |
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2019
- 2019-12-11 CN CN201922204554.4U patent/CN211574028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233757A (en) * | 2021-11-24 | 2022-03-25 | 常熟长城轴承有限公司 | Novel dust cover |
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