CN209223020U - One kind rolling sliding bearing precision truing mold - Google Patents
One kind rolling sliding bearing precision truing mold Download PDFInfo
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- CN209223020U CN209223020U CN201822192885.6U CN201822192885U CN209223020U CN 209223020 U CN209223020 U CN 209223020U CN 201822192885 U CN201822192885 U CN 201822192885U CN 209223020 U CN209223020 U CN 209223020U
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Abstract
The utility model discloses one kind to roll sliding bearing precision truing mold, including top template, guide sleeve I, upper die shank, shaping core rod link block, shaping core rod, guide post I, spring I, cope plate, guide sleeve II, upper punch fixed plate, upper punch, correcting die, lower template, cavity plate backing plate, sleeve, spring cushion block, spring II, mention material block, guide post II, low punch, upper punch backing plate and spring positioning block, upper mold grip strip moves top template, shaping core rod, cope plate is run down, upper punch touches bearing and is pressed into correcting die, until bearing is contacted with low punch, upper punch, low punch interaction, and bearing is expressed to specified altitude assignment；The precision truing mold of the utility model is squeezed and deformed in designed enclosed environment by product, and due to shaping core rod and correcting die concentricity with higher, product after extruding has the Wall-Thickness Difference of very little.
Description
Technical field
The utility model belongs to bearing mnanufacture technical field, and in particular to one kind rolls sliding bearing precision truing mold.
Background technique
It rolls the usually used 3-layer composite material or steel, Cu alloy material containing selflubricatingpiston of sliding bearing and rolls shaping
It forms, cost performance and application range with higher；Manufacturing process is mainly blanking, Cheng Yuan, shaping, Vehicle Processing, wherein shaping
Process plays a decisive role to the dimensional accuracy of rolling bearing, and traditional Training system is made by mold extruding swollen in outer hoop
Plate is plastically deformed, the axially extending deformation extent of product in a mold when due to otherness and shaping between plate
Also different, cause the Wall-Thickness Difference precision of product irregular, is between 0.02~0.04mm substantially；For rolling sliding bearing
For, Wall-Thickness Difference is bigger, and product is smaller with the contact area of axis in use, and bearing capacity is poorer, while in axis
Operation process in, can not quickly form lubricating oil film, bearing wear speed is caused to become faster, influence its service life.Therefore exist
It is difficult to meet requirement in the higher operating condition of some required precisions such as high-pressure gear pump, gearbox.
Utility model content:
Aiming at the problems existing in the prior art, the utility model provides one kind and rolls sliding bearing precision truing mould
Tool, for improving the precision of rolling bearing, reduces its Wall-Thickness Difference, improves the service life of bearing.
The utility model, which adopts the following technical solutions, realizes above-mentioned technical purpose:
One kind rolls sliding bearing precision truing mold, including top template, cope plate and lower template, the top template with it is upper
Template is fixed, the fixed upper die shank in top template upper end, while shaping core rod link block being pressed into inside top template lower end, shaping core rod
Shaping core rod is fixed in link block lower end, and cope plate upper end is further fixed on spring I, the fixed upper punch in cope plate lower end, shaping core rod
Central axis and correcting die central axis line, correcting die is fixed on lower template upper end, while sleeve is pressed in lower die
Plate lower end, sleeve inner fixed spring II, sleeve lining upper end cooperates with material block gap is mentioned, on correcting die inner wall and low punch
Splaying cooperation, upper punch, correcting die, are provided with the through-hole passed through for shaping core rod on low punch at cope plate.
In above scheme, the fixed guide sleeve I in the top template two sides, the fixed guide post I in the cope plate upper end, two sides fixation are led
II, fixed guide post II, guide sleeve I and guide post the I cooperation in lower template upper end two sides are covered, guide sleeve II matches with guide post I, guide post II respectively
It closes.
In above scheme, the upper punch is fixed on the inside of upper punch fixed plate, the upper punch fixed plate and upper punching
Hook plate is sequentially fixed at cope plate lower end, upper punch backing plate and upper punch upper-end contact.
In above scheme, the low punch is fixed on die supporter intralamellar part, and cavity plate backing plate is fixed on correcting die and lower die
Between plate.
In above scheme, the spring II is fixed on sleeve inner by spring cushion block.
In above scheme, the spring I is fixed on cope plate upper end by spring positioning block.
The beneficial effects of the utility model are: the precision truing mold of the utility model design, passes through the work of shaping core rod
Enter correcting die as face, the both ends face contact of upper low punch and bearing simultaneously generates extruding force, so that bearing is in closed space
Middle extrusion deformation, due to shaping core rod and correcting die concentricity with higher and preferable behavior tolerance, production after extruding
Product have lesser Wall-Thickness Difference, can control Wall-Thickness Difference within 0.010mm.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view for rolling sliding bearing precision truing mold of the utility model；
Wherein 1- top template, the upper die shank of 2- guide sleeve I, 3-, 4- shaping core rod link block, 5- shaping core rod, 6- guide post I, 7-
Spring I, 8- cope plate, 9- guide sleeve II, 10- upper punch fixed plate, 11- upper punch, 12- correcting die, 13- lower template, 14- are recessed
Die-cushion plate, 15- sleeve, 16- spring cushion block, 17- spring II, 18- mention material block, 19- guide post II, 20- low punch, 21- upper punch
Backing plate, 22- spring positioning block.
Specific embodiment
Below in conjunction with attached drawing, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
As shown in Figure 1, one kind rolls sliding bearing precision truing mold, including it is top template 1, guide sleeve I2, upper die shank 3, whole
Shape plug link block 4, shaping core rod 5, guide post I6, spring I7, cope plate 8, guide sleeve II9, upper punch fixed plate 10, upper punch
11, correcting die 12, lower template 13, cavity plate backing plate 14, sleeve 15, spring cushion block 16, spring II17, mention material block 18, guide post
II19, low punch 20, upper punch backing plate 21 and spring positioning block 22；Top template 1 is bolted with cope plate 8, backform
Plate 1 and cope plate 8 are equipped with spacing, and the fixed guide sleeve I2 in 1 two sides of top template cooperates, top with the guide post I6 for being fixed on 8 upper end of cope plate
1 upper end middle position of template has been bolted die shank 3 will while upper die shank 3 is by bolt and fixed top template 1
Shaping core rod link block 4 is pressed into inside 1 lower end of top template, the fixed shaping core rod 5 in the lower end of shaping core rod link block 4, shaping core
5 lower end targeting part of stick is 0.2~0.3mm smaller than in-between shaping unit, the fixed guide sleeve II9 in 8 two sides of cope plate, respectively with guide post
I6 and guide post II19 cooperates, and the 8 upper end fixed spring locating piece 22 of cope plate on the inside of guide post I6, spring positioning block 22 is for fixing
Upper punch backing plate 21 and upper punch fixed plate 10, upper punch are successively fixed by bolt in spring I7,8 lower end middle position of cope plate
Upper punch 11 is fixed inside fixed plate 10,11 upper end of upper punch is contacted with upper punch backing plate 21,8 middle part of cope plate, upper punch pad
It is equipped with the through-hole passed through for 5 lower end of shaping core rod in the middle part of 21 middle part of plate and upper punch 11, guide post II19 is fixed on lower template
Undershoot hook plate 14 and correcting die 12, cavity plate are successively fixed by bolt in 13 upper ends two sides, 13 upper end middle position of lower template
Low punch 20,20 upper end of low punch and 12 inner wall clearance fit of correcting die, cavity plate backing plate 14 and shaping are fixed inside backing plate 14
When cavity plate 12 is locked by bolt, sleeve 15 is pressed in 13 lower end of lower template, 15 bottom of sleeve is provided with through-hole, and 15 bottom of sleeve is solid
Determine spring cushion block 16, be used for fixed spring II17, mentions material block 18 and 15 inner wall upper gap of sleeve cooperates, propose the length of material block 18
Greater than the length of low punch 20, the through-hole passed through for 5 lower end of shaping core rod, installation are equipped in the middle part of correcting die 12, low punch 20
When, the central axis line of the central axis and correcting die 12 of shaping core rod 5.
A kind of working principle for rolling sliding bearing precision truing mold of the utility model is as follows:
The bearing of Cheng Yuanhou is put at the targeting port of correcting die 12, punching machine by upper die shank 3 drive top template 1,
Shaping core rod 5, cope plate 8 are run down, and 5 lower end targeting part of shaping core rod is introduced into rolling bearing inner hole, correcting bearing
Position；This process spring I7 is in tensional state；Upper punch 11 touches bearing and is pressed into correcting die 12, until bearing
It is contacted with low punch 20, this process spring I 7 is in compressive state；Upper punch 11, low punch 20 are and after bearing touch, die shank
3 drive top templates 1, shaping core rod 5, cope plate 8 continue traveling downwardly, and 5 shaping unit of shaping core rod from top to bottom enters brearing bore,
Reach shaping effect；Upper punch 11, low punch 20 interact, and bearing are expressed to specified altitude assignment simultaneously；At this time spring I7,
Spring II17 is in compressive state；After shaping, punching machine drives top template 1, shaping core rod 5, cope plate by upper die shank 3
8, upper punch 11 is run up, and upper punch 11 leaves correcting die 12, and spring II17 gradually resets, and promotion mentions material block 18 and moves up,
It drives low punch 20 to move up, bearing is ejected from correcting die 12.
The shaping principle of the precision truing mold allows product (to go up low punch and bearing in designed enclosed environment
Both ends face contact) it is squeezed and deformed, reach defined size requirement；The rolling bearing that the Training system is produced is more whole than tradition
The product Wall-Thickness Difference that shape mode is produced is small, and Wall-Thickness Difference can control within 0.010mm, in use its bearing capacity
It is stronger, lubricating oil film can be quickly formed, reduces the fretting wear of axis and bearing, improves the service life of bearing.
Above-described is only some embodiments of the utility model, for those skilled in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (6)
1. one kind rolls sliding bearing precision truing mold, which is characterized in that including top template (1), cope plate (8) and lower template
(13), the top template (1) and cope plate (8) are fixed, and top template (1) upper end is fixed upper die shank (3), while shaping core rod being connected
It connects inside block (4) indentation top template (1) lower end, shaping core rod link block (4) lower end is fixed shaping core rod (5), on cope plate (8)
End is further fixed on spring I (7), and cope plate (8) lower end is fixed upper punch (11), the central axis and correcting die of shaping core rod (5)
(12) central axis line, correcting die (12) is fixed on lower template (13) upper end, while sleeve (15) is pressed in lower template
(13) lower end, sleeve (15) internal fixed spring II (17) and propose material block (18) clearance fit, shaping at sleeve (15) inner wall upper end
Cavity plate (12) inner wall and low punch (20) upper gap cooperate, upper punch (11), cope plate (8), correcting die (12), low punch
(20) through-hole passed through for shaping core rod (5) is provided on.
2. according to claim 1 roll sliding bearing precision truing mold, which is characterized in that the top template (1) two
Side is fixed guide sleeve I (2), and cope plate (8) upper end fixed guide post I (6), two sides are fixed guide sleeve II (9), the lower template (13)
Upper end two sides are fixed guide post II (19), and guide sleeve I (2) and guide post I (6) cooperate, guide sleeve II (9) respectively with guide post I (6), guide post II
(19) cooperate.
3. according to claim 1 roll sliding bearing precision truing mold, which is characterized in that the upper punch (11) is solid
It is scheduled on the inside of upper punch fixed plate (10), the upper punch fixed plate (10) and upper punch backing plate (21) are sequentially fixed at upper mold
Plate (8) lower end, upper punch backing plate (21) and upper punch (11) upper-end contact.
4. according to claim 1 roll sliding bearing precision truing mold, which is characterized in that the low punch (20) is solid
It is internal to be scheduled on cavity plate backing plate (14), cavity plate backing plate (14) is fixed between correcting die (12) and lower template (13).
5. according to claim 1 roll sliding bearing precision truing mold, which is characterized in that the spring II (17) is logical
It crosses spring cushion block (16) and is fixed on sleeve (15) inside.
6. according to claim 1 roll sliding bearing precision truing mold, which is characterized in that the spring I (7) passes through
Spring positioning block (22) is fixed on cope plate (8) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192885.6U CN209223020U (en) | 2018-12-26 | 2018-12-26 | One kind rolling sliding bearing precision truing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192885.6U CN209223020U (en) | 2018-12-26 | 2018-12-26 | One kind rolling sliding bearing precision truing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209223020U true CN209223020U (en) | 2019-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822192885.6U Active CN209223020U (en) | 2018-12-26 | 2018-12-26 | One kind rolling sliding bearing precision truing mold |
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| CN (1) | CN209223020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134609A (en) * | 2021-04-02 | 2021-07-20 | 常州市知宇粉末冶金有限公司 | Oil-retaining bearing shaping die |
| CN113351811A (en) * | 2021-05-12 | 2021-09-07 | 苏州市东盛锻造有限公司 | Annular forging processing method based on numerical control automatic hydraulic ring rolling mill |
-
2018
- 2018-12-26 CN CN201822192885.6U patent/CN209223020U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134609A (en) * | 2021-04-02 | 2021-07-20 | 常州市知宇粉末冶金有限公司 | Oil-retaining bearing shaping die |
| CN113134609B (en) * | 2021-04-02 | 2024-01-09 | 常州市知宇粉末冶金有限公司 | Shaping die for oil-retaining bearing |
| CN113351811A (en) * | 2021-05-12 | 2021-09-07 | 苏州市东盛锻造有限公司 | Annular forging processing method based on numerical control automatic hydraulic ring rolling mill |
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