CN219817897U - Positioning pin sleeve synthesis die of positioner - Google Patents
Positioning pin sleeve synthesis die of positioner Download PDFInfo
- Publication number
- CN219817897U CN219817897U CN202321092043.8U CN202321092043U CN219817897U CN 219817897 U CN219817897 U CN 219817897U CN 202321092043 U CN202321092043 U CN 202321092043U CN 219817897 U CN219817897 U CN 219817897U
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- sleeve
- insert
- pin
- movable insert
- die
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000005242 forging Methods 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model provides a locating pin sleeve synthesis die of a locator, which comprises a working frame and a lower module fixed above the working frame, wherein guide posts penetrating through an upper die plate are arranged at four corners of the lower module, a mounting plate for mounting a hydraulic press is arranged at the upper end of each guide post, the hydraulic press is connected with the upper die plate through a telescopic rod, a chute is arranged on the surface of the lower module, a lower die for placing a sleeve is fixed on the surface of the chute, and pins are inserted into one end of the sleeve. According to the die provided by the utility model, the bulge arranged on the outer side of the sleeve can be pressed into the annular groove at the top of the pin through forging and pressing, and the phenomenon that the pin is eccentric and the pin is contracted in the synthesis process can be effectively reduced, so that the occurrence of galvanic corrosion caused by a gap between the pin and the sleeve body is avoided, the integrity of the appearance of the pin body is not damaged through forging and pressing, and breakage is not easy to occur.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of railway contact net parts, and particularly relates to a positioning pin sleeve synthesis die of a positioner.
Background
At present, a positioner used on a railway electrified contact network is a key component in an electrified railway contact network system, one end of the positioner is riveted with a part positioning hook with a hook, the other end of the positioner is riveted with a positioning pin sleeve, and the positioning pin sleeve is connected with a positioning wire clamp to fix the position of a contact wire; the function is to fix the contact line at a certain position according to the requirement of the design standard pulling-out value of the contact line through the positioning wire clamp, so as to ensure that the working surface of the contact line is parallel to the rail surface and bears the horizontal force of the contact line. Therefore, the contact net is ensured to be always in the working range of the pantograph slide plate, the current is well taken, and accidents caused by the disengaging of the pantograph are avoided.
The existing locating pin sleeve comprises a locating sleeve and a pin, the locating sleeve and the pin are connected into a whole through a rivet, for example, the locating pin sleeve with a novel connecting structure disclosed in the application number CN202022650623.7 is inserted into a pin inserting groove of a sleeve body through a locating pin, a locating hole is aligned with a through hole, and finally an operator uses a rivet gun to penetrate the locating rivet through the locating hole and the through hole, so that the sleeve body and the locating pin are fixed; the rivet connection mode needs to be provided with holes for the rivet to pass through in the sleeve and the pin, so that the integrity of the pin body can be damaged, and the pin body is at risk of breakage in daily use.
Disclosure of Invention
Compared with rivet connection, the safety is guaranteed in a forging and pressing fixed connection mode, so that the technical problem is solved, the positioning pin sleeve synthesis die for the positioner is provided, bulges arranged on the outer side of a sleeve can be pressed into annular grooves at the top of a pin through forging and pressing, the phenomena of eccentricity and pin diameter shrinkage of the pin in the synthesis process can be effectively reduced, and accordingly galvanic corrosion caused by gaps between the pin and the sleeve body is avoided, the integrity of the appearance of the pin body is not damaged due to forging and pressing, and breakage is not easy to occur.
The technical scheme adopted by the utility model is as follows:
the positioning pin sleeve synthesis die of the positioner comprises a working frame and a lower module fixed above the working frame, guide posts penetrating through an upper die plate are arranged at four corners of the lower module, a mounting plate for mounting a hydraulic machine is arranged at the upper end of each guide post, the hydraulic machine is connected with the upper die plate through a telescopic rod, a chute is arranged on the surface of the lower module, a lower die for placing a sleeve is fixed on the surface of the chute, and a pin is inserted into one end of the sleeve;
one side of the lower die is provided with a fixed insert, the other side of the lower die is provided with a movable insert, and one side of the movable insert is movably connected with a hydraulic cylinder arranged above the working frame.
Further, a bulge is arranged at one end of the sleeve, an annular groove is arranged at one end of the pin inserted into the sleeve, and after the fixed insert and the movable insert are clamped under the pressure of the upper die, the bulge at the outer side of the sleeve can be pressed into the annular groove formed at the upper end of the pin to fill a gap between the pin and the sleeve.
Further, the hydraulic cylinder is fixed on one side of the movable insert through the mounting frame, and the movable insert can be driven to move above the sliding groove through the expansion and contraction of the telescopic column.
Further, in the mounting groove of seting up in the removal insert is inserted to the one end of flexible post in the pneumatic cylinder, be equipped with the push pedal in mounting groove flexible post one end, because the degree of depth of mounting groove is greater than the thickness of push pedal, consequently flexible post can remove certain distance in the mounting groove to in this section distance, the removal of flexible post or removal insert can not cause the influence to another structure.
Further, a spring is sleeved on one side of the push plate and positioned on the outer side of the telescopic column, after the upper die is lifted, the movable insert can be separated from the fixed insert more quickly under the action of the spring, and the moving distance of the telescopic column in the mounting groove is shortened, so that the working of the hydraulic cylinder can be reduced.
Further, a rubber pad is arranged on the side, opposite to the connecting telescopic column, of the push plate, friction can be reduced when the push plate is in contact with the movable insert, and particularly, impact between the push plate and the movable insert is reduced when the movable insert is rapidly separated from the fixed insert under the action of a spring.
Further, an upper die for clamping the fixed insert and the movable insert is arranged at the lower end of the upper die plate, a pressing groove is formed in the lower end of the upper die, the shape of the pressing groove is identical to that of the upper end after the fixed insert and the movable insert are combined, after the movable insert is pushed to the lower side of the upper die by a hydraulic cylinder, the upper die can provide a tightening force for the two inserts, and therefore bulges are arranged at one end of the sleeve and are pressed into an annular groove in the pin.
Further, the upper die, the lower die, the fixed insert and the movable insert are all made of wear-resistant steel, and are machined by a machining center to ensure accuracy, and the inside of the machined fixed insert and the machined movable insert is provided with a model for forging and pressing the sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model applies multidirectional force to the sleeve by using the upper die, the lower die, the fixed insert and the movable insert, and can reduce the phenomenon of eccentricity and pin diameter shrinkage of the pin in the synthesis process.
2. The hydraulic cylinder is only responsible for closing the movable insert towards the fixed insert, and after the movable insert moves to the lower part of the pressing groove in the upper die, the two inserts are clamped under the pressure of the upper die to ensure die assembly, the upper end of the upper die is provided with the hydraulic machine, so that the pressure maintaining time can be set, the material rebound quantity caused by instant contact deformation is reduced, and the use requirement of the positioning pin sleeve is met.
3. According to the utility model, the movable insert and the fixed insert are clamped, and the bulge is arranged at one end of the cylinder and is pressed into the annular groove in the pin in a forging mode, so that a gap between the pin and the sleeve body can be eliminated, the occurrence of electric corrosion is prevented, the integrity of the appearance of the pin body is not damaged, and breakage is not easy to occur.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the hydraulic cylinder of the present utility model after contraction.
Fig. 3 is a schematic view of the position structure of the fixed insert and the movable insert after the fixed insert and the movable insert are tightly combined.
Fig. 4 is a schematic view of the position structure of the fixed insert of the present utility model.
Fig. 5 is a schematic view of the pin of the present utility model after it is inserted into the sleeve.
FIG. 6 is a schematic view of the structure of the sleeve of the present utility model after forging.
Fig. 7 is a schematic view of the connection structure of the hydraulic cylinder and the movable insert.
FIG. 8 is an enlarged schematic view of the structure A of FIG. 7 used in example 1 of the present utility model.
Fig. 9 is a schematic view showing the position structure of a spring in embodiment 2 of the present utility model.
In the figure:
the device comprises a 1-working frame, a 2-lower module, a 21-sliding chute, a 22-lower die, a 23-fixed insert, a 3-guide pillar, a 4-upper die plate, a 41-upper die, a 5-mounting plate, a 6-hydraulic press, a 7-mounting frame, an 8-hydraulic cylinder, an 81-telescopic column, an 82-push plate, a 9-movable insert, a 91-mounting groove, a 92-spring, a 10-sleeve and an 11-pin.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Example 1:
as shown in fig. 1-4, a locating pin sleeve synthesis mold of a locator comprises a working frame 1 and a lower module 2 fixed above the working frame 1, guide posts 3 penetrating through an upper template 4 are arranged at four corners of the lower module 2, a mounting plate 5 for mounting a hydraulic press 6 is arranged at the upper end of each guide post 3, the hydraulic press 6 is connected with the upper template 4 through a telescopic rod, a sliding groove 21 is formed in the surface of the lower module 2, a lower mold 22 for placing a sleeve 10 is fixed on the surface of the sliding groove 21, and pins 11 are inserted into one end of the sleeve 10; as shown in fig. 5 and 6.
One side of the lower die 22 is provided with a fixed insert 23, the other side of the lower die 22 is provided with a movable insert 9, the bottom end of the movable insert 9 is slidably positioned in the chute 21, and one side of the movable insert 9 is movably connected with a hydraulic cylinder 8 arranged above the working frame 1.
As shown in fig. 5 to 6, one end of the sleeve 10 is provided with a bulge, and one end of the pin 11 inserted into the sleeve 10 is provided with an annular groove.
As shown in fig. 4 and 7, the hydraulic cylinder 8 is fixed on one side of the movable insert 9 through the mounting frame 7, and can drive the movable insert 9 to move in the chute 21 through the expansion and contraction of the self expansion column 81, the chute 21 plays a limiting role on the movement track of the movable insert 9, and the movable fit at the position can slide or roll, so that the sliding fit is preferred in consideration of the simplification of the structure, the working reliability and the convenience of maintenance.
As shown in fig. 8, one end of the telescopic column 81 in the hydraulic cylinder 8 is inserted into a mounting groove 91 formed in the movable insert 9, a push plate 82 is provided at one end of the telescopic column 81 in the mounting groove 91, and the depth of the mounting groove 91 is greater than the thickness of the push plate 82.
As shown in fig. 8, a rubber pad for reducing friction is provided on the opposite side of the push plate 82 from the connection telescopic column 81.
As shown in fig. 3, the lower end of the upper die plate 4 is provided with an upper die 41 for clamping the fixed insert 23 and the movable insert 9, the lower end of the upper die 41 is provided with a pressing groove, the shape of the pressing groove is the same as that of the upper end of the combined fixed insert 23 and the upper end of the combined movable insert 9, the pressing groove is used for pressing the combined fixed insert and the combined movable insert, and stress concentration is not easy to occur in profiling setting.
Further, the upper die 41, the lower die 22, the fixed insert 23 and the movable insert 9 are made of wear-resistant steel, and are machined by a machining center to ensure the precision, and the inside of the machined fixed insert and movable insert is provided with a cavity for forging and pressing the sleeve.
The working principle of the embodiment is as follows: when the telescopic sleeve is used, firstly, after the sleeve 10 is heated, the pin 11 is inserted into one end of the sleeve 10, then the sleeve 10 is placed into the lower die 22, the hydraulic cylinder 8 pushes the movable insert 9 to approach towards the direction of the fixed insert 23, when the movable insert 9 is in contact with the sleeve 10, the hydraulic cylinder stops, meanwhile, the upper die 41 descends under the action of the hydraulic press 6, the two inserts are clamped to ensure die assembly, when the movable insert 9 moves towards the fixed insert 23 again by a certain distance under pressure, and in this state, the telescopic column 81 and the mounting groove 91 are movably connected, and the movement of the movable insert 9 cannot influence the performance of the hydraulic cylinder 8.
After the clamping 3S, the upper die 41 is lifted, the hydraulic cylinder drives the movable insert 9 to move outwards, and when the movable insert 9 contacts with the edge of the lower die block 2, the hydraulic cylinder stops, so that the forged sleeve can be taken out.
Example 2:
as shown in fig. 1-4, a locating pin sleeve synthesis mold of a locator comprises a working frame 1 and a lower module 2 fixed above the working frame 1, guide posts 3 penetrating through an upper template 4 are arranged at four corners of the lower module 2, a mounting plate 5 for mounting a hydraulic press 6 is arranged at the upper end of each guide post 3, the hydraulic press 6 is connected with the upper template 4 through a telescopic rod, a sliding groove 21 is formed in the surface of the lower module 2, a lower mold 22 for placing a sleeve 10 is fixed on the surface of the sliding groove 21, and pins 11 are inserted into one end of the sleeve 10;
one side of the lower die 22 is provided with a fixed insert 23, the other side of the lower die 22 is provided with a movable insert 9, and one side of the movable insert 9 is movably connected with a hydraulic cylinder 8 arranged above the working frame 1.
As shown in fig. 5 to 6, a bulge is provided at one end of the sleeve 10, and an annular groove is provided at the end of the pin 11 inserted into the sleeve 10.
As shown in fig. 4 and 7, the hydraulic cylinder 8 is fixed to one side of the movable insert 9 by the mounting bracket 7.
As shown in fig. 9, one end of the telescopic column 81 in the hydraulic cylinder 8 is inserted into a mounting groove 91 formed in the movable insert 9, and a push plate 82 is provided at one end of the telescopic column 81 in the mounting groove 91, and since the depth of the mounting groove 91 is greater than the thickness of the push plate 82, the telescopic column 81 can move within the mounting groove 91 by a certain distance, and in this distance, the movement of the telescopic column 81 or the movable insert 9 will not affect the other structure.
As shown in fig. 9, a spring 92 is sleeved on one side of the push plate 82 and located on the outer side of the telescopic column 81, after the upper die 41 is lifted, the movable insert 9 can be separated from the fixed insert more quickly under the action of the spring, and the moving distance of the telescopic column 81 in the mounting groove 91 is shortened, so that the working of the hydraulic cylinder can be reduced.
As shown in fig. 9, a rubber pad is disposed on the opposite side of the push plate 82 from the connecting telescopic column 81, so that friction can be reduced when the push plate 82 contacts with the movable insert, and particularly, impact between the push plate 82 and the movable insert 9 can be reduced when the movable insert 9 is rapidly separated from the fixed insert under the action of a spring.
As shown in fig. 3, the lower end of the upper die plate 4 is provided with an upper die 41 for clamping the fixed insert 23 and the movable insert 9, the lower end of the upper die 41 is provided with a pressing groove, the shape of the pressing groove is the same as that of the upper end of the combined fixed insert 23 and the upper end of the movable insert 9, and after the movable insert 9 is pushed below the upper die by a hydraulic cylinder, the upper die can provide a closing force for the two inserts, so that one end of the sleeve 10 is provided with a bulge to be pressed into an annular groove in the pin 11.
Further, the upper die, the lower die, the fixed insert and the movable insert are all made of wear-resistant steel, and are machined by a machining center to ensure accuracy, and the inside of the machined fixed insert and the machined movable insert is provided with a model for forging and pressing the sleeve.
The working principle of the embodiment is as follows: when the telescopic sleeve is used, firstly, after the sleeve 10 is heated, the pin 11 is inserted into one end of the sleeve 10, then the sleeve 10 is placed into the lower die 22, the hydraulic cylinder 8 pushes the movable insert 9 to approach towards the direction of the fixed insert 23, when the movable insert 9 is in contact with the sleeve 10, the hydraulic cylinder stops, meanwhile, the upper die 41 descends under the action of the hydraulic press 6, the two inserts are clamped to ensure die assembly, when the movable insert 9 moves towards the fixed insert 23 again by a certain distance under pressure, and in this state, the telescopic column 81 and the mounting groove 91 are movably connected, and the movement of the movable insert 9 cannot influence the performance of the hydraulic cylinder 8.
After clamping 5S, the upper die 41 is lifted, and simultaneously, under the action of the spring of the movable insert 9, the movable insert 9 is quickly separated from the fixed insert, and then the movable insert 9 is driven by the hydraulic cylinder to move outwards, and when the movable insert 9 contacts with the edge of the lower die block 2, the hydraulic cylinder stops, so that the forged sleeve can be taken out.
By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.
Claims (9)
1. The utility model provides a locating pin sleeve synthetic die of locator, includes work frame (1) and fixes lower module (2) in work frame (1) top, all installs guide pillar (3) of running through cope match-plate pattern (4) in the four corners of lower module (2), the upper end of guide pillar (3) is equipped with mounting panel (5) that are used for installing hydraulic press (6), hydraulic press (6) are connected its characterized in that through telescopic link and cope match-plate pattern (4): the surface of the lower module (2) is provided with a chute (21), a lower die (22) for placing a sleeve (10) is fixed on the surface of the chute (21), and a pin (11) is inserted into one end of the sleeve (10);
one side of the lower die (22) is provided with a fixed insert (23), the other side of the lower die (22) is provided with a movable insert (9), and one side of the movable insert (9) is movably connected with a hydraulic cylinder (8) arranged above the working frame (1).
2. The locator pin sleeve synthesis mold of claim 1, wherein: one end of the sleeve (10) is provided with a bulge, and one end of the pin (11) inserted into the sleeve (10) is provided with an annular groove.
3. The locator pin sleeve synthesis mold of claim 1, wherein: the hydraulic cylinder (8) is fixed on one side of the movable insert (9) through the mounting frame (7).
4. The locator pin sleeve synthesis mold of claim 1, wherein: one end of a telescopic column (81) in the hydraulic cylinder (8) is inserted into a mounting groove (91) formed in the movable insert (9).
5. The locator pin sleeve synthesis mold of claim 4, wherein: a push plate (82) is arranged at one end of the telescopic column (81) located in the mounting groove (91).
6. The locator pin sleeve synthesis mold of claim 5, wherein: and a spring (92) is sleeved on one side of the push plate (82) and positioned on the outer side of the telescopic column (81).
7. The locator pin sleeve synthesis mold of claim 5, wherein: a rubber pad is arranged on the side, opposite to the connecting telescopic column (81), of the push plate (82).
8. The locator pin sleeve synthesis mold of claim 1, wherein: the lower end of the upper die plate (4) is provided with an upper die (41) for clamping the fixed insert (23) and the movable insert (9).
9. The locator pin sleeve synthesis mold of claim 8, wherein: the lower end of the upper die (41) is provided with a pressing groove, and the shape of the pressing groove is the same as that of the upper end of the combined fixed insert (23) and the combined movable insert (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092043.8U CN219817897U (en) | 2023-05-09 | 2023-05-09 | Positioning pin sleeve synthesis die of positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092043.8U CN219817897U (en) | 2023-05-09 | 2023-05-09 | Positioning pin sleeve synthesis die of positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219817897U true CN219817897U (en) | 2023-10-13 |
Family
ID=88249985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321092043.8U Active CN219817897U (en) | 2023-05-09 | 2023-05-09 | Positioning pin sleeve synthesis die of positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219817897U (en) |
-
2023
- 2023-05-09 CN CN202321092043.8U patent/CN219817897U/en active Active
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