CN211940626U - Positioning mechanism for press fitting - Google Patents
Positioning mechanism for press fitting Download PDFInfo
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- CN211940626U CN211940626U CN202020634129.9U CN202020634129U CN211940626U CN 211940626 U CN211940626 U CN 211940626U CN 202020634129 U CN202020634129 U CN 202020634129U CN 211940626 U CN211940626 U CN 211940626U
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Abstract
The utility model relates to an automatic pressure equipment technical field especially relates to a positioning mechanism who advances line location usefulness to the part in the pressure equipment operation. In order to avoid quality accidents and improve the quality stability of press-fitting products, the utility model provides a positioning mechanism for press-fitting, which comprises an installation shaft, a positioning pin, a positioning spring and a limiting pin, wherein the upper part of the installation shaft is provided with a positioning cylinder, and the side wall of the positioning cylinder is symmetrically provided with limiting chutes; the positioning pin comprises a positioning disc, a positioning column and a sliding cylinder, a limiting through hole perpendicular to the positioning column is formed in the positioning disc and is positioned between the positioning column and the sliding cylinder, the central axis of the positioning column is collinear with the central axes of the sliding cylinder and the positioning disc, and the sliding cylinder is inserted into the positioning cylinder; the positioning spring is inserted in the positioning cylinder and the sliding cylinder; the limiting pin penetrates through the limiting through hole, and two ends of the limiting pin extend out of the limiting sliding groove. Use the utility model discloses positioning mechanism for the pressure equipment can effectively improve the stability of quality of pressure equipment product.
Description
Technical Field
The utility model relates to an automatic pressure equipment technical field especially relates to a positioning mechanism who advances line location usefulness to the part in the pressure equipment operation.
Background
In an automated press-fitting operation, a manipulator is usually used to pick and place parts and position the parts. However, in actual production, the parts themselves have differences, and when the mechanical arm clamps the ball pins with inconsistent outer diameters for press-fitting, the ball pins are prone to being over-pressed due to positioning deviation when being clamped by the mechanical arm for press-fitting, so that quality accidents such as indentation on the outer ring and damage on the inner ring of a product formed by press-fitting occur, and further the quality of the press-fitted product is unstable.
SUMMERY OF THE UTILITY MODEL
In order to avoid quality accidents and improve the quality stability of press-fitting products, the utility model provides a positioning mechanism for press-fitting, which comprises an installation shaft, a positioning pin, a positioning spring and a limiting pin, wherein the upper part of the installation shaft is provided with a positioning cylinder, and the side wall of the positioning cylinder is symmetrically provided with limiting chutes; the positioning pin comprises a positioning disc, a positioning column and a sliding cylinder, a limiting through hole perpendicular to the positioning column is formed in the positioning disc and is positioned between the positioning column and the sliding cylinder, the central axis of the positioning column is collinear with the central axes of the sliding cylinder and the positioning disc, and the sliding cylinder is inserted into the positioning cylinder; the positioning spring is inserted into the positioning cylinder and the sliding cylinder; the limiting pin penetrates through the limiting through hole, and two ends of the limiting pin extend out of the limiting sliding groove.
When the positioning mechanism for press mounting is used, the ball pin sleeve to be pressed is firstly arranged on the positioning column; then, a press-fitting machine is used for press-fitting the ball pin to be press-fitted downwards, and the positioning pin is pushed upwards by the tension of the positioning spring in the press-fitting process, so that the positioning pin is completely contacted with the ball pin to be press-fitted, namely the lower end of the ball pin to be press-fitted is pressed against the top of the positioning disc; and then, when the positioning spring is completely stressed, continuously pressing the ball pin to be pressed downwards by using a press fitting machine until the press fitting is finished. Therefore, the utility model discloses positioning mechanism for the pressure equipment utilizes positioning spring's elasticity to correct the center of treating pressure equipment ball round pin, avoids the excessive pressure, and then avoids the quality accident because of the excessive pressure leads to take place, can effectively improve the quality stability of pressure equipment product.
Preferably, the inner wall of the positioning cylinder is provided with a limiting step, and the limiting step is positioned below the limiting sliding groove. Like this, in the pressure equipment in-process, usable spacing step cooperation spacing spout inject the extreme position of locating pin, avoid the locating pin excessive pressure and lead to the spacer pin to be buckled, influence the pressure equipment quality of pressure equipment product even.
Preferably, the top edge of the positioning disc is provided with a limiting ring, and the central axis of the limiting ring is collinear with the central axis of the positioning column. Therefore, when the ball pin to be pressed is sleeved on the positioning column, the positioning groove can be formed by the limiting ring matched with the positioning column, the ball pin to be pressed is prevented from shaking in the pressing process, and the pressing quality and the pressing efficiency are improved.
Preferably, an oilless bushing is inserted into the positioning cylinder, the outer wall of the oilless bushing abuts against the inner wall of the positioning cylinder, and the bottom end of the oilless bushing is pressed on the bottom wall of the positioning cylinder. Therefore, the oilless bushing is arranged in the positioning cylinder, and the press fitting quality can be prevented from being influenced by abrasion of the positioning cylinder in the press fitting process.
Preferably, the stiff end of spacer pin is provided with the dop, the cartridge pot head of spacer pin is equipped with spacing snap ring, just the dop with the external diameter of spacing snap ring all is greater than the width of spacing spout. Therefore, when the press fitting device is used, the limiting pin can be limited by the clamping head and the limiting clamping ring, and the press fitting quality and the press fitting efficiency are prevented from being influenced by the slippage of the limiting pin.
Preferably, a clamping groove for clamping the limiting clamping ring is formed in the side wall of the inserting end of the limiting pin. Like this, when using, put spacing snap ring card in the draw-in groove, avoid spacing snap ring atress to drop.
Preferably, the limiting snap ring comprises an arc-shaped outer ring and a snap tooth, and the snap tooth is fixed on the inner wall of the arc-shaped outer ring and points to the circle center of the arc-shaped outer ring. Such spacing snap ring can follow the breach department card cover on the outer ring circle of arc in the draw-in groove, and easy dismounting is swift, can improve the utility model discloses positioning mechanism's for the pressure equipment assembly efficiency.
Drawings
Fig. 1 is a schematic structural view of the positioning mechanism for press fitting of the present invention;
fig. 2 is a schematic sectional structure view of a-a in fig. 1.
Detailed Description
Next, the positioning mechanism for press fitting of the present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the positioning mechanism for press mounting of the present invention includes an installation shaft 1, a positioning pin 2, a positioning spring 3 and a limit pin 4. Wherein, the upper part of the mounting shaft 1 is provided with a positioning cylinder 11, and the side wall of the positioning cylinder 11 is symmetrically provided with limiting chutes 111; the positioning spring 3 is inserted into the positioning cylinder 11, and the upper end of the positioning spring extends into the sliding cylinder 23; the limit pin 4 is inserted into a limit through hole (not shown in the figure), and two ends of the limit pin 4 extend out of the limit sliding groove 111; the positioning pin 2 comprises a positioning disc 21, a positioning column 22 and a sliding barrel 23, the positioning disc 21 is positioned between the positioning column 22 and the sliding barrel 23 and is provided with a limiting through hole perpendicular to the positioning column 22, the central axis of the positioning column 22 is collinear with the central axes of the sliding barrel 23 and the positioning disc 21, and the sliding barrel 23 is inserted in the positioning barrel 11. Preferably, a limiting step 112 is disposed on the inner wall of the positioning cylinder 11, and the limiting step 112 is located below the limiting sliding groove 111. Therefore, in the press fitting process, the limit position of the positioning pin 2 can be limited by the limit step 112 in cooperation with the limit sliding groove 111, and the phenomenon that the limiting pin 3 is bent due to the overpressure of the positioning pin 2 and even the press fitting quality of a press-fitted product is affected is avoided. Preferably, the oilless bushing 5 is inserted into the positioning cylinder 11, the outer wall of the oilless bushing 5 abuts against the inner wall of the positioning cylinder 11, and the bottom end of the oilless bushing 5 is pressed against the bottom wall of the positioning cylinder 11. Therefore, the oilless bushing 5 is arranged in the positioning cylinder 11, and the press fitting quality can be prevented from being influenced by abrasion of the positioning cylinder 11 in the press fitting process. Preferably, a stop collar 211 is disposed at the top edge of the positioning plate 21, and the central axis of the stop collar 211 is collinear with the central axis of the positioning column 22. Therefore, when the ball pin to be press-fitted is sleeved on the positioning column 22, the limiting ring 211 can be used for cooperating with the positioning column 22 to form a positioning groove, so that the ball pin to be press-fitted is prevented from shaking in the press-fitting process, and the press-fitting quality and the press-fitting efficiency are improved.
As shown in fig. 1 and 2, the fixed end of the limit pin 4 is provided with a chuck 41, the insertion end of the limit pin 4 is sleeved with a limit snap ring 6, and the outer diameters of the chuck 41 and the limit snap ring 6 are both greater than the width of the limit sliding groove 111. Therefore, when the press fitting device is used, the limiting pin 4 can be limited by the clamping head 41 and the limiting clamping ring 6, and the press fitting quality and the press fitting efficiency are prevented from being influenced by the slippage of the limiting pin 4. Preferably, a clamping groove 42 for clamping the limiting snap ring 6 is arranged on the side wall of the insertion end of the limiting pin 4. Like this, when using, put spacing snap ring 6 card in draw-in groove 42, avoid spacing snap ring 6 atress to drop. Preferably, the limiting snap ring 6 comprises an arc-shaped outer ring 61 and a snap tooth 62, and the snap tooth 62 is fixed on the inner wall of the arc-shaped outer ring 61 and points to the center of the arc-shaped outer ring 61. Such spacing snap ring 6 can be followed the breach department's card cover on the outer ring 61 of arc in draw-in groove 42, and easy dismounting is swift, can improve the utility model discloses positioning mechanism's for the pressure equipment assembly efficiency.
When the positioning mechanism for press mounting is used, the ball pin sleeve to be pressed is firstly arranged on the positioning column; then, a press-fitting machine is used for press-fitting the ball pin to be press-fitted downwards, and the positioning pin is pushed upwards by the tension of the positioning spring in the press-fitting process, so that the positioning pin is completely contacted with the ball pin to be press-fitted, namely the lower end of the ball pin to be press-fitted is pressed against the top of the positioning disc; and then, when the positioning spring is completely stressed, continuously pressing the ball pin to be pressed downwards by using a press fitting machine until the press fitting is finished. Therefore, the utility model discloses positioning mechanism for the pressure equipment utilizes positioning spring's elasticity to correct the center of treating pressure equipment ball round pin, avoids the excessive pressure, and then avoids the quality accident because of the excessive pressure leads to take place, can effectively improve the quality stability of pressure equipment product.
Claims (7)
1. A positioning mechanism for press fitting is characterized by comprising an installation shaft, a positioning pin, a positioning spring and a limiting pin, wherein a positioning cylinder is arranged at the upper part of the installation shaft, and limiting sliding grooves are symmetrically arranged on the side wall of the positioning cylinder; the positioning pin comprises a positioning disc, a positioning column and a sliding cylinder, a limiting through hole perpendicular to the positioning column is formed in the positioning disc and is positioned between the positioning column and the sliding cylinder, the central axis of the positioning column is collinear with the central axes of the sliding cylinder and the positioning disc, and the sliding cylinder is inserted into the positioning cylinder; the positioning spring is inserted into the positioning cylinder and the sliding cylinder; the limiting pin penetrates through the limiting through hole, and two ends of the limiting pin extend out of the limiting sliding groove.
2. A positioning mechanism for press fitting according to claim 1, wherein a limiting step is provided on an inner wall of the positioning cylinder, and the limiting step is located below the limiting sliding groove.
3. The positioning mechanism for press fitting according to claim 2, wherein a limiting ring is arranged at the top edge of the positioning disc, and the central axis of the limiting ring is collinear with the central axis of the positioning column.
4. A positioning mechanism for press-fitting according to any one of claims 1 to 3, wherein an oilless bush is inserted into the positioning cylinder, and an outer wall of the oilless bush abuts against an inner wall of the positioning cylinder, and a bottom end of the oilless bush is pressed against a bottom wall of the positioning cylinder.
5. A positioning mechanism for press fitting according to claim 4, wherein a fixing end of the limit pin is provided with a chuck, an insertion end of the limit pin is sleeved with a limit snap ring, and the outer diameters of the chuck and the limit snap ring are both larger than the width of the limit sliding groove.
6. The positioning mechanism for press fitting according to claim 5, wherein a clamping groove for clamping the limiting snap ring is formed in a side wall of the insertion end of the limiting pin.
7. The positioning mechanism for press fitting according to claim 6, wherein the limiting snap ring comprises an arc-shaped outer ring and a snap tooth, and the snap tooth is fixed on the inner wall of the arc-shaped outer ring and points to the center of the arc-shaped outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634129.9U CN211940626U (en) | 2020-04-24 | 2020-04-24 | Positioning mechanism for press fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634129.9U CN211940626U (en) | 2020-04-24 | 2020-04-24 | Positioning mechanism for press fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211940626U true CN211940626U (en) | 2020-11-17 |
Family
ID=73163362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020634129.9U Active CN211940626U (en) | 2020-04-24 | 2020-04-24 | Positioning mechanism for press fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211940626U (en) |
-
2020
- 2020-04-24 CN CN202020634129.9U patent/CN211940626U/en active Active
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