CN220278802U - Cylindrical pin guiding press-fitting device - Google Patents
Cylindrical pin guiding press-fitting device Download PDFInfo
- Publication number
- CN220278802U CN220278802U CN202321804586.8U CN202321804586U CN220278802U CN 220278802 U CN220278802 U CN 220278802U CN 202321804586 U CN202321804586 U CN 202321804586U CN 220278802 U CN220278802 U CN 220278802U
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- hole
- floating
- cylindrical pin
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The cylindrical pin guiding press-fitting device comprises an upper guide plate, a lower guide plate, a cylindrical pin positioning plate, a positioning boss, a positioning hole, a magnet and a magnetic iron, wherein the upper guide plate is arranged below a main shaft of a hydraulic press through a connecting plate; the two ends of the lower guide plate are provided with guide sleeves, the two ends of the upper guide plate are provided with guide columns, and the lower ends of the guide columns are arranged in the guide sleeves in a penetrating way; the part positioning device comprises a part positioning plate and a floating positioning device, the floating positioning device comprises a floating positioning pin for positioning a positioning hole on the part and a spring sleeved at the lower end of the floating positioning pin, the part positioning plate is provided with a yielding hole penetrating through the floating positioning pin, and the central line of the floating positioning pin and the central line of the cylindrical pin positioning hole are positioned on the same vertical line. The efficiency and the positioning accuracy are obviously improved.
Description
Technical Field
The utility model belongs to a process device for assembling mechanical parts, and particularly relates to a cylindrical pin guiding press-fitting device.
Background
In order to ensure accurate mutual positions of some mechanical parts during assembly, cylindrical pins are often pressed in certain part holes for positioning, and the cylindrical pins still need to keep high position degree after being pressed into the part cylindrical pin holes so as to meet the assembly positioning requirement. The traditional cylindrical pin assembly mode comprises the following steps:
1. assembling with liquid nitrogen;
2. manufacturing a cylindrical pin sleeve, and directly manually knocking in after the cylindrical pin is inserted into the pin sleeve;
3. a cylindrical pin sleeve is arranged on a main shaft of the hydraulic press, a cylindrical pin is inserted into a pin sleeve hole, a cylindrical pin hole of a part to be assembled is manually moved, and the part to be assembled is pressed in after being aligned with the cylindrical pin.
Among the three existing assembly methods, the first method is very high in assembly cost by using liquid nitrogen; the second method is that a cylindrical pin sleeve is manufactured, after a cylindrical pin is inserted into the pin sleeve, the efficiency is low by directly manually knocking in, the perpendicularity of the cylindrical pin after press mounting cannot be guaranteed, when the cylindrical pin is knocked, if the cylindrical pin is inclined, the product positioning hole is easily cut flat, and potential safety hazards exist; and the third is to install a cylindric lock cover on the hydraulic press main shaft, inserts the cylindric lock in the cotter hole, and the manual work removes the part cylinder pinhole of waiting to assemble, and the cylindric lock is pressed in after aiming at the cylindric lock, then can not guarantee the cylindric lock position degree after the pressure equipment. Therefore, a new press-fitting device is needed to solve the existing technical problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, so as to provide the cylindrical pin guiding press-fitting device, and the efficiency and the positioning accuracy are obviously improved.
A cylindrical pin guiding press-fitting device comprises an upper guide plate, a lower guide plate and a part positioning device;
the upper guide plate is arranged below a main shaft of the hydraulic machine through a connecting plate, a cylindrical pin positioning plate is fixed at the lower end of the upper guide plate, a positioning boss is protruded at the lower end of the cylindrical pin positioning plate, a cylindrical pin positioning hole for positioning a cylindrical pin to be assembled is processed on the positioning boss, the cylindrical pin positioning hole is in small clearance fit with the cylindrical pin, a groove is formed in the upper end of the cylindrical pin positioning plate, the groove is positioned right above the cylindrical pin positioning hole, and a magnet is arranged in the groove;
the two ends of the lower guide plate are provided with guide sleeves, the two ends of the upper guide plate are provided with guide posts, and the lower ends of the guide posts are arranged in the guide sleeves in a penetrating manner;
the part positioning device comprises a part positioning plate and a floating positioning device, wherein the floating positioning device comprises a floating positioning pin for positioning a positioning hole on the part and a spring sleeved at the lower end of the floating positioning pin, a yielding hole penetrating through the floating positioning pin is formed in the part positioning plate, and the central line of the floating positioning pin and the central line of the cylindrical pin positioning hole are positioned on the same vertical line.
The floating locating pin is in a step shape, the floating locating pin comprises an upper step part in small clearance fit with a locating hole on a part, a middle step part connected with the upper step part and a lower step part connected with the middle step part and used for sleeving a spring, a yielding hole on the part locating plate is in a step shape, and the yielding hole comprises a large hole part and a small hole part positioned at the upper end of the large hole part and in small clearance fit with the upper step part of the floating locating pin.
The outer diameter of the middle step part of the floating locating pin is larger than that of the upper step part of the floating locating pin, and the outer diameter of the upper step part of the floating locating pin is consistent with that of the lower step part of the floating locating pin.
The lower guide plate is provided with a blind hole corresponding to the large hole part of the abdicating hole, the spring is sleeved on the lower step part of the lower end of the floating locating pin, the upper end of the spring is propped against the bottom of the large step part of the floating locating pin, and the lower end of the spring is propped against the bottom of the blind hole.
The inner diameter of the large hole part is not smaller than the outer diameter of the middle step part, and the outer diameter of the spring is not larger than the outer diameter of the middle step part.
The outer diameter of the blind hole is consistent with the inner diameter of the large hole part.
Guide post mounting holes are formed in two ends of the upper guide plate, and guide posts are inserted into the guide post mounting holes; and two ends of the lower guide plate are provided with guide sleeve mounting holes, and the guide sleeves are inserted into the guide sleeve mounting holes.
The utility model uses the guide device and the clamp to manufacture precision, and solves the difficulty that the axis of the cylindrical pin hole of the part is coaxial with the axis of the cylindrical pin; the magnet is arranged in the cylindrical pin positioning plate, so that the problem that the cylindrical pin is easy to fall down after being inserted into the cylindrical pin hole of the positioning plate is solved; the floating pin is arranged on the part positioning plate, so that the difficulty of aligning and positioning the cylindrical pin hole of the part and the axis of the cylindrical pin is solved, and the floating pin can automatically move backwards according to the requirement of the pressing depth after the cylindrical pin is pressed in; the floating pin of the part positioning plate is used for positioning which hole is needed to be pressed and assembled with the cylindrical pin, so that the problem of hole cutting caused by the manufacturing error of the position degree of the cylindrical pin hole during porous press-assembling is solved. The utility model has simple manufacture, low cost and easy popularization.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. the hydraulic press main shaft, 2, screw one, 3, screw two, 4, connecting plate, 5, connecting pin one, 6, upper deflector, 7, guide bar, 8, cylindric lock locating plate, 9, magnet, 10, cylindric lock, 11, uide bushing, 12, lower deflector (base), 13, part locating plate, 14, connecting pin two, 15, part, 16, floating locating pin, 17, spring, 18, locating hole, 19, screw three, 20, screw four.
Detailed Description
In fig. 1, a connecting plate 4 is fixed at the lower end of a main shaft 1 of a hydraulic machine through a screw I2, a step through hole passing through the screw I2 is formed in the middle of the connecting plate 4, bolt countersunk holes I are formed in two ends of the connecting plate 4, a thread mounting hole I corresponding to the bolt countersunk holes I is formed in an upper guide plate 6, a screw II 3 is arranged in the corresponding bolt countersunk holes I and the thread mounting hole I, and the upper guide plate 6 is fixedly connected with the connecting plate 4 through the screw II 3; the cylindrical pin positioning plate 8 is provided with a positioning pin hole at a position corresponding to the upper guide plate 6, a first connecting pin 5 is arranged in the cylindrical pin positioning plate 8, a second bolt countersink is also arranged on the cylindrical pin positioning plate 8, the upper guide plate 6 is provided with a second threaded mounting hole corresponding to the second bolt countersink, and a fourth screw 20 is arranged in the second bolt countersink and the second threaded mounting hole correspondingly; the lower extreme protrusion of cylinder pin locating plate 8 has the location boss, and processing has the cylindric lock locating hole on the location boss, and the system has the recess in the cylindric lock locating plate 8 upper end, and the recess is located cylindric lock locating hole directly over, and magnet 9 installs in the recess, and the cylindric lock locating hole is used for the location to wait to assemble cylindric lock 10, cylindric lock locating hole and cylindric lock 10 little clearance fit. The guide sleeve 11 is respectively arranged in the guide sleeve positioning holes at the two ends of the lower guide plate 12, the guide sleeve 11 is of a step-shaped structure consisting of a small step part in interference fit with the guide sleeve positioning holes and a large step part positioned on the small step part, the lower end of the guide post 7 penetrates into the inner hole of the guide sleeve 11, and the upper end of the guide post 7 is in interference fit with the guide post mounting holes at the two ends of the upper guide plate 6. The middle part of the upper end of the lower guide plate 12 is fixed with a part positioning plate 13 through a second connecting pin 14 and a third screw 19, a positioning pin hole is formed in the part positioning plate 13 corresponding to the lower guide plate 12, the second connecting pin 14 is arranged in the part positioning plate 13, a third bolt countersink is further arranged in the part positioning plate 13, the lower guide plate 12 is provided with a third screw mounting hole corresponding to the third bolt countersink, the third screw 19 is arranged in the corresponding third bolt countersink and the third screw mounting hole, the middle part of the part positioning plate 13 is provided with a floating positioning device, the floating positioning device comprises a floating positioning pin 16 and a spring 17 sleeved at the lower end of the floating positioning pin 16, the floating positioning pin 16 is used for positioning a positioning hole 18 on the part 15, a yielding hole penetrating through the floating positioning pin 16 is formed in the part positioning plate 13, the central line of the floating locating pin 16 and the central line of the cylindrical pin locating hole are located on the same vertical line, the floating locating pin 16 is of a stepped structure composed of an upper step part, a middle step part connected with the upper step part and a lower step part connected with the middle step part, the upper step part is in small clearance fit with the upper locating hole 18 of the part 15, the lower step part is used for sleeving a spring 17, the outer diameter of the middle step part is larger than that of the upper step part, the outer diameter of the upper step part is consistent with that of the lower step part, a yielding hole in the part locating plate 13 is also in a stepped shape, the yielding hole comprises a large hole part and a small hole part which is located at the upper end of the large hole part and in small clearance fit with the upper step part of the floating locating pin 16, the inner diameter of the large hole part is not smaller than that of the middle step part, and the outer diameter of the spring is not larger than that of the middle step part. The lower guide plate 12 is provided with a blind hole corresponding to the large hole part of the yielding hole, the outer diameter of the blind hole is consistent with the inner diameter of the large hole part, the spring 17 is sleeved on the lower step part of the lower end of the floating locating pin 16, the upper end of the spring 17 is propped against the bottom of the large step part of the floating locating pin 16, and the lower end of the spring is propped against the bottom of the blind hole.
Claims (7)
1. The utility model provides a cylindric lock direction pressure equipment device which characterized in that: comprises an upper guide plate (6), a lower guide plate (12) and a part positioning device;
the upper guide plate (6) is arranged below the main shaft (1) of the hydraulic machine through the connecting plate (4), a cylindrical pin positioning plate (8) is fixed at the lower end of the upper guide plate (6), a positioning boss is protruded at the lower end of the cylindrical pin positioning plate (8), a cylindrical pin positioning hole for positioning a cylindrical pin (10) to be assembled is processed on the positioning boss, the cylindrical pin positioning hole is in small clearance fit with the cylindrical pin (10), a groove is formed in the upper end of the cylindrical pin positioning plate (8), the groove is positioned right above the cylindrical pin positioning hole, and the magnet (9) is arranged in the groove;
guide sleeves (11) are arranged at two ends of the lower guide plate (12), guide columns (7) are arranged at two ends of the upper guide plate (6), and the lower ends of the guide columns (7) are arranged in the guide sleeves (11) in a penetrating mode;
the part positioning device comprises a part positioning plate (13) and a floating positioning device, wherein the floating positioning device comprises a floating positioning pin (16) for positioning a positioning hole on a part (15) and a spring (17) sleeved at the lower end of the floating positioning pin (16), a yielding hole penetrating through the floating positioning pin (16) is formed in the part positioning plate (13), and the central line of the floating positioning pin (16) and the central line of the cylindrical pin positioning hole are positioned on the same vertical line.
2. The cylindrical pin guiding press-fitting device according to claim 1, wherein: the floating locating pin (16) is in a step shape, the floating locating pin (16) comprises an upper step part in small clearance fit with a locating hole on the part (15), a middle step part connected with the upper step part and a lower step part connected with the middle step part and used for sleeving a spring, a yielding hole on the part locating plate (13) is in a step shape, and the yielding hole comprises a large hole part and a small hole part in small clearance fit with the upper step part of the floating locating pin (16).
3. The cylindrical pin guiding press-fitting device according to claim 2, wherein: the outer diameter of the middle step part of the floating locating pin (16) is larger than that of the upper step part of the floating locating pin (16), and the outer diameter of the upper step part of the floating locating pin (16) is consistent with that of the lower step part of the floating locating pin (16).
4. A cylindrical pin guiding press-fit device as claimed in claim 1, 2 or 3, wherein: the lower guide plate (12) is provided with a blind hole corresponding to the large hole part of the yielding hole, the spring (17) is sleeved on the lower step part of the lower end of the floating locating pin (16), the upper end of the spring (17) is propped against the bottom of the large step part of the floating locating pin (16), and the lower end of the spring is propped against the bottom of the blind hole.
5. The cylindrical pin guiding press-fit device according to claim 4, wherein: the inner diameter of the large hole part is not smaller than the outer diameter of the middle step part, and the outer diameter of the spring is not larger than the outer diameter of the middle step part.
6. The cylindrical pin guiding press-fit device according to claim 4, wherein: the outer diameter of the blind hole is consistent with the inner diameter of the large hole part.
7. The cylindrical pin guiding press-fitting device according to claim 1, wherein: guide column mounting holes are formed in two ends of the upper guide plate (6), and guide columns (7) are inserted into the guide column mounting holes; and two ends of the lower guide plate (12) are provided with guide sleeve mounting holes, and the guide sleeve (11) is inserted into the guide sleeve mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804586.8U CN220278802U (en) | 2023-07-11 | 2023-07-11 | Cylindrical pin guiding press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804586.8U CN220278802U (en) | 2023-07-11 | 2023-07-11 | Cylindrical pin guiding press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220278802U true CN220278802U (en) | 2024-01-02 |
Family
ID=89338607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804586.8U Active CN220278802U (en) | 2023-07-11 | 2023-07-11 | Cylindrical pin guiding press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220278802U (en) |
-
2023
- 2023-07-11 CN CN202321804586.8U patent/CN220278802U/en active Active
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