CN211415950U - Floating connection structure of inner sizing core rod - Google Patents
Floating connection structure of inner sizing core rod Download PDFInfo
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- CN211415950U CN211415950U CN201922024502.9U CN201922024502U CN211415950U CN 211415950 U CN211415950 U CN 211415950U CN 201922024502 U CN201922024502 U CN 201922024502U CN 211415950 U CN211415950 U CN 211415950U
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Abstract
The utility model belongs to the pipeline field of making, in particular to internal sizing plug connection structure that floats, it includes the bulb connecting core that internal sizing plug connecting rod one end set up, and bulb outside callipers adapter sleeve has been cup jointed to the outside of bulb connecting core, and the one end of bulb connecting core links to each other with internal sizing plug, and the one end of bulb outside callipers adapter sleeve links to each other with internal sizing plug connecting rod. This application sets up in the mesh skeleton pipe, and this application is at the plug connecting rod of nearly mould end disconnection current structure to set up the unsteady connection structure of bulb formula, let interior fixed diameter plug have certain swing angle, make it possess from the line-up function.
Description
Technical Field
The application belongs to the field of pipeline manufacturing, and particularly relates to an internal sizing mandrel floating connection structure.
Background
In the production process of the mesh pipe, after the inner wall and the outer wall of the mesh steel belt framework pipe are simultaneously subjected to plastic compounding in a compounding die, a very long mandrel connecting rod is in threaded connection with a mandrel, so that the straightness of the mesh steel belt framework is difficult to ensure, the mesh steel belt framework is easy to cause overlarge resistance or clamping stagnation in the process of advancing, and particularly, a small pipe below D75 is more serious.
The prior patent is a Chinese utility model patent with the patent number of CN03250088.2, the application date of 2003-08-26 and the name of a device for completing an integral double-wall socket on a plastic corrugated pipe forming machine, and the technical scheme is as follows: the utility model provides a accomplish device of whole double-walled bell and spigot on plastic corrugated pipe make-up machine, the push-out machine comprises an extruding machine, the double-deck extrusion die head of being connected with the extruder, suit dress forming module and flaring module that move on plastic corrugated pipe make-up machine on double-deck extrusion die head periphery, the evacuation system, the air pressure system, be located the inner wall sizing plug behind the double-deck extrusion die head, its characterized in that has between the passageway that double-deck extrusion die head extrudes inlayer and outer plastics material base and evacuation system and with the communicating passageway (22) of external atmosphere, have passageway (23) with pressurized air source and with the communicating pipe connection of external atmosphere respectively in the inner wall sizing plug, there are evacuation passageway (24) respectively on forming module and flaring module. The flaring forming of the device is reliable, and the productivity and the qualification rate are high.
Although the above patent mentions the inner wall sizing mandrel structure, the connection structure, connection method, etc. are not improved, and thus the problem that the straightness of the mesh steel band skeleton is difficult to be ensured still exists.
Disclosure of Invention
In order to solve the problems that the existing mesh pipe is easy to cause that the straightness of a mesh steel belt framework is difficult to ensure due to overlong length during production and processing, and the mesh framework is easy to block during pipe compounding, the floating connection structure of the internal sizing core rod is provided.
In order to achieve the purpose, the specific scheme of the application is as follows:
the utility model provides an interior fixed diameter plug connection structure that floats which characterized in that: the ball head connecting core is arranged at one end of an inner diameter-determining mandrel connecting rod, a ball head outer clamping connecting sleeve is sleeved outside the ball head connecting core, one end of the ball head connecting core is connected with the inner diameter-determining mandrel, and one end of the ball head outer clamping connecting sleeve is connected with the inner diameter-determining mandrel connecting rod.
The ball head connecting core is of a cylindrical structure and comprises a ball head part and a linear part.
The ball head outer clamping connecting sleeve is of a cylindrical structure and comprises an inner concave part and a linear part.
Furthermore, the periphery of one end of the ball head connecting core is connected with the inner side of the inner diameter-fixing core rod through a thread structure.
Furthermore, the inner side of one end of the ball head outer clamping connecting sleeve is connected with the periphery of one end of the inner diameter-determining mandrel connecting rod through a thread structure.
Furthermore, one end of the ball head connecting core is connected with the inner diameter-determining core rod through a bolt.
Furthermore, one end of the ball head outer clamping connecting sleeve is connected with one end of the inner diameter-determining mandrel connecting rod through a bolt.
Furthermore, a gap is reserved between the ball head connecting core and the inner diameter-determining mandrel connecting rod.
Furthermore, the ball head part of the ball head connecting core is tightly attached to the concave part of the ball head outer clamping connecting sleeve, and a gap is reserved between the outer circumferences of the two ends of the ball head connecting core and the ball head outer clamping connecting sleeve.
Further, the inner sizing core rod is an integral machining piece in a ball head connecting core mode.
Furthermore, the sizing mandrel connecting rod, the ball head connecting core and the inner sizing mandrel are of a hollow structure along the axis.
The application has the advantages that:
this application sets up in the mesh skeleton pipe, and this application is at the plug connecting rod of nearly mould end disconnection current structure to set up the unsteady connection structure of bulb formula, let interior fixed diameter plug have certain swing angle, make it possess from the line-up function. Because the inner diameter-determining core rod is not directly connected with the inner diameter-determining core rod connecting rod, but is connected with the ball head outer clamping connecting sleeve through the ball head connecting core, the straight line part of the inner diameter-determining core rod can be ensured, and the manufacturing difficulty is reduced. The floating connection structure formed by the ball head connection core and the ball head external clamping connection sleeve can ensure that the inner sizing core rod is pulled by the mesh framework pipe during compounding and does not move forwards in the production direction, and meanwhile, the inner sizing core rod has the function of free swing, so that the mesh framework pipe is centered and prevented from being clamped.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is an enlarged view of embodiment 1 of portion a in fig. 1.
Fig. 3 is an enlarged view of embodiment 2 of portion a of fig. 1.
In the drawings:
1-inner diameter-fixed mandrel connecting rod, 2-ball head connecting core, 3-ball head outer clamping connecting sleeve, 4-inner diameter-fixed mandrel, 5-thread, 6-bolt, 7-gap, 8-mesh framework pipe and 9-composite die.
Detailed Description
Example 1
As shown in fig. 1 and 2, the floating connection structure of the inner sizing mandrel comprises a ball head connection core 2 arranged at one end of an inner sizing mandrel connection rod 1, a ball head outer clamping connection sleeve 3 is sleeved outside the ball head connection core 2, one end of the ball head connection core 2 is connected with an inner sizing mandrel 4, and one end of the ball head outer clamping connection sleeve 3 is connected with the inner sizing mandrel connection rod 1. The mutual matching structure of the ball head connecting core 2 and the ball head external clamping connecting sleeve 3 matched with the ball head connecting core is the same as the principle of a floating joint structure in the prior art. The ball head is a different name of the floating joint in the prior art. This application sets up in mesh skeleton pipe 8, and this application is at the plug connecting rod of the present structure of nearly mould end disconnection to set up ball head formula connection structure that floats, let interior fixed diameter plug 4 have certain swing angle, make it possess from the centering function. Because the inner sizing mandrel 4 is not directly connected with the inner sizing mandrel connecting rod 1, but is connected with the ball head outer clamping connecting sleeve 3 through the ball head connecting core 2, the straight line part of the inner sizing mandrel 4 can be ensured, and the manufacturing difficulty is reduced. The ball head connecting core 2 and the ball head outer clamping connecting sleeve 3 form a floating connecting structure, so that the mesh framework pipe 8 can pull the inner sizing core rod 4 to prevent the inner sizing core rod 4 from moving forwards in the production direction during compounding, and meanwhile, the inner sizing core rod 4 has the function of freely swinging.
Example 2
As shown in fig. 1 and 2, the floating connection structure of the inner sizing mandrel comprises a ball head connection core 2 arranged at one end of an inner sizing mandrel connection rod 1, a ball head outer clamping connection sleeve 3 is sleeved outside the ball head connection core 2, one end of the ball head connection core 2 is connected with an inner sizing mandrel 4, and one end of the ball head outer clamping connection sleeve 3 is connected with the inner sizing mandrel connection rod 1. The mutual matching structure of the ball head connecting core 2 and the ball head external clamping connecting sleeve 3 matched with the ball head connecting core is the same as the principle of a floating joint structure in the prior art.
The ball head connecting core 2 is a cylindrical structure including a ball head portion and a linear portion. The bulb outside callipers adapter sleeve 3 is the tubular structure, includes indent portion and straight line portion.
The periphery of one end of the ball head connecting core 2 is connected with the inner side of the inner diameter-determining core rod 4 through a thread 5 structure. The inner side of one end of the ball head outer clamping connecting sleeve 3 is connected with the periphery of one end of the inner diameter-determining mandrel connecting rod 1 through a thread 5 structure.
A gap 7 is reserved between the ball head connecting core 2 and the inner diameter-fixing mandrel connecting rod 1. The ball head connecting core 2 and the inner diameter-determining mandrel connecting rod 1 are not directly connected, and a certain gap 7 is kept between the ball head connecting core and the end face of one side of the inner diameter-determining mandrel connecting rod 1, so that a reserved space is reserved for rotation.
The ball head part of the ball head connecting core 2 is tightly attached to the concave part of the ball head outer clamping connecting sleeve 3, and a gap 7 is reserved between the outer circumferences of the two ends of the ball head connecting core 2 and the ball head outer clamping connecting sleeve 3. The ball head part and the concave part are matched in shape, so that the ball head part and the concave part can be guaranteed to be in running fit, and a gap 7 between the ball head connecting core 2 and the ball head outer clamping connecting sleeve 3 is a reserved space for convenient running.
This application sets up in mesh skeleton pipe 8, and mesh skeleton pipe 8 is through the compound back of compound mould 9, and this application is at the mandrel connecting rod of the present structure of near mould end disconnection to set up ball head formula connection structure that floats, let interior fixed diameter mandrel 4 have certain swing angle, make it possess from the function of feeling relieved. Because the inner sizing mandrel 4 is not directly connected with the inner sizing mandrel connecting rod 1, but is connected with the ball head outer clamping connecting sleeve 3 through the ball head connecting core 2, the straight line part of the inner sizing mandrel 4 can be ensured, and the manufacturing difficulty is reduced. The ball head connecting core 2 and the ball head outer clamping connecting sleeve 3 form a floating connecting structure, so that the mesh framework pipe 8 can pull the inner sizing core rod 4 to prevent the inner sizing core rod 4 from moving forwards in the production direction during compounding, and meanwhile, the inner sizing core rod 4 has the function of freely swinging.
Example 3
As shown in fig. 1 and 3, the floating connection structure of the inner sizing mandrel comprises a ball head connection core 2 arranged at one end of an inner sizing mandrel connection rod 1, a ball head outer clamping connection sleeve 3 is sleeved outside the ball head connection core 2, one end of the ball head connection core 2 is connected with an inner sizing mandrel 4, and one end of the ball head outer clamping connection sleeve 3 is connected with the inner sizing mandrel connection rod 1. The mutual matching structure of the ball head connecting core 2 and the ball head external clamping connecting sleeve 3 matched with the ball head connecting core is the same as the principle of a floating joint structure in the prior art.
The ball head connecting core 2 is a cylindrical structure including a ball head portion and a linear portion. The bulb outside callipers adapter sleeve 3 is the tubular structure, includes indent portion and straight line portion.
One end of the ball head connecting core 2 is connected with the inner diameter-fixing core rod 4 through a bolt 6. The overlapping position of the ball head connecting core 2 and the inner diameter-fixing core rod 4 is provided with a bolt 6 hole, the bolt 6 is simultaneously positioned in the bolt 6 hole of the ball head connecting core 2 and the inner diameter-fixing core rod 4 for fixed connection, the bolt 6 holes are distributed along the circumference of the ball head connecting core 2 and the inner diameter-fixing core rod 4, and the bolts 6 are also distributed on the two structures along the circumference.
One end of the ball head outer clamping connecting sleeve 3 is connected with one end of the inner diameter-determining mandrel connecting rod 1 through a bolt 6. The overlapping position of the ball head outer clamping connecting sleeve 3 and the inner diameter-fixing mandrel connecting rod 1 is provided with a bolt 6 hole, the bolt 6 is simultaneously positioned in the bolt 6 hole of the ball head outer clamping connecting sleeve 3 and the inner diameter-fixing mandrel connecting rod 1 for fixed connection, the bolt 6 holes are distributed along the circumference of the ball head outer clamping connecting sleeve 3 and the inner diameter-fixing mandrel connecting rod 1, and the bolt 6 is also distributed on the two structures along the circumference.
A gap 7 is reserved between the ball head connecting core 2 and the inner diameter-fixing mandrel connecting rod 1. The ball head connecting core 2 and the inner diameter-determining mandrel connecting rod 1 are not directly connected, and a certain gap 7 is kept between the ball head connecting core and the end face of one side of the inner diameter-determining mandrel connecting rod, so that a reserved space is reserved for rotation.
The ball head part of the ball head connecting core 2 is tightly attached to the concave part of the ball head outer clamping connecting sleeve 3, and a gap 7 is reserved between the outer circumferences of the two ends of the ball head connecting core 2 and the ball head outer clamping connecting sleeve 3. The ball head part and the concave part are matched in shape, so that the ball head part and the concave part can be guaranteed to be in running fit, and a gap 7 between the ball head connecting core 2 and the ball head outer clamping connecting sleeve 3 is a reserved space for convenient running.
The inner diameter-setting core rod is an integral machined piece in a ball head connecting core mode.
Furthermore, the sizing mandrel connecting rod, the ball head connecting core and the inner sizing mandrel are of hollow structures along the axis, so that water or air passages can be conveniently introduced into the sizing mandrel connecting rod, the ball head connecting core and the inner sizing mandrel.
This application sets up in mesh skeleton pipe 8, and mesh skeleton pipe 8 is through the compound back of compound mould 9, and this application is at the mandrel connecting rod of the present structure of near mould end disconnection to set up ball head formula connection structure that floats, let interior fixed diameter mandrel 4 have certain swing angle, make it possess from the function of feeling relieved. Because the inner sizing mandrel 4 is not directly connected with the inner sizing mandrel connecting rod 1, but is connected with the ball head outer clamping connecting sleeve 3 through the ball head connecting core 2, the straight line part of the inner sizing mandrel 4 can be ensured, and the manufacturing difficulty is reduced. The ball head connecting core 2 and the ball head outer clamping connecting sleeve 3 form a floating connecting structure, so that the mesh framework pipe 8 can pull the inner sizing core rod 4 to prevent the inner sizing core rod 4 from moving forwards in the production direction during compounding, and meanwhile, the inner sizing core rod 4 has the function of freely swinging.
Claims (11)
1. The utility model provides an interior fixed diameter plug connection structure that floats which characterized in that: the ball head connecting core comprises a ball head connecting core (2) arranged at one end of an inner diameter-determining core rod connecting rod (1), a ball head outer clamping connecting sleeve (3) is sleeved outside the ball head connecting core (2), one end of the ball head connecting core (2) is connected with an inner diameter-determining core rod (4), and one end of the ball head outer clamping connecting sleeve (3) is connected with the inner diameter-determining core rod connecting rod (1).
2. The floating connection structure of the inner sizing mandrel as claimed in claim 1, wherein: the ball head connecting core (2) is of a cylindrical structure and comprises a ball head part and a linear part.
3. The floating connection structure of the inner sizing mandrel as claimed in claim 1, wherein: the bulb outside clamping connecting sleeve (3) is of a cylindrical structure and comprises an inner concave part and a linear part.
4. The floating connection structure of the inner sizing mandrel as claimed in any one of claims 1 to 3, wherein: the periphery of one end of the ball head connecting core (2) is connected with the inner side of the inner diameter-determining core rod (4) through a thread (5) structure.
5. The floating connection structure of the inner sizing mandrel as claimed in any one of claims 1 to 3, wherein: the inner side of one end of the ball head outer clamping connecting sleeve (3) is connected with the periphery of one end of the inner diameter-determining mandrel connecting rod (1) through a thread (5) structure.
6. The floating connection structure of the inner sizing mandrel as claimed in any one of claims 1 to 3, wherein: one end of the ball head connecting core (2) is connected with the inner diameter-determining core rod (4) through a bolt (6).
7. The floating connection structure of the inner sizing mandrel as claimed in any one of claims 1 to 3, wherein: one end of the ball head outer clamping connecting sleeve (3) is connected with one end of the inner diameter-determining mandrel connecting rod (1) through a bolt (6).
8. The floating connection structure of the inner sizing mandrel as claimed in any one of claims 1 to 3, wherein: a gap (7) is reserved between the ball head connecting core (2) and the inner diameter-determining mandrel connecting rod (1).
9. The floating connection structure of the inner sizing mandrel as claimed in claim 8, wherein: the ball head part of the ball head connecting core (2) is tightly attached to the concave part of the ball head outer clamping connecting sleeve (3), and a gap (7) is reserved between the outer circumferences of the two ends of the ball head connecting core (2) and the ball head outer clamping connecting sleeve (3).
10. The floating connection structure of the inner sizing mandrel as claimed in claim 1, wherein: the inner sizing core rod (4) is an integral machined part in the form of a connecting core (2) with a ball head.
11. The floating connection structure of the inner sizing mandrel as claimed in claim 1, wherein: the inner sizing mandrel connecting rod (1), the ball head connecting core (2) and the inner sizing mandrel (4) are of hollow structures along the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024502.9U CN211415950U (en) | 2019-11-21 | 2019-11-21 | Floating connection structure of inner sizing core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024502.9U CN211415950U (en) | 2019-11-21 | 2019-11-21 | Floating connection structure of inner sizing core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211415950U true CN211415950U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922024502.9U Active CN211415950U (en) | 2019-11-21 | 2019-11-21 | Floating connection structure of inner sizing core rod |
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| Country | Link |
|---|---|
| CN (1) | CN211415950U (en) |
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