CN214488515U - Positioning die, extrusion tooling, internal expansion forming structure and rounding machine - Google Patents
Positioning die, extrusion tooling, internal expansion forming structure and rounding machine Download PDFInfo
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- CN214488515U CN214488515U CN202023034449.XU CN202023034449U CN214488515U CN 214488515 U CN214488515 U CN 214488515U CN 202023034449 U CN202023034449 U CN 202023034449U CN 214488515 U CN214488515 U CN 214488515U
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Abstract
The utility model relates to a positioning die, include: the mounting seat is of a hollow shell structure and comprises a front end cover, a rear end cover and a slide way mounting seat connected with the front end cover and the rear end cover, positioning grooves are formed in the middle parts of the front end cover and the rear end cover, and a limiting boss is arranged on the inner side of each positioning groove of the front end cover; and the outer diameter tool is an integrated cylindrical die. The utility model discloses still relate to positioning die, contain this positioning die's extrusion frock, contain this extrusion frock the interior bloated forming structure and contain this interior round machine that expands forming structure. The utility model discloses a positioning die, extrusion frock, interior bloated forming structure and pipe end extrusion round as a whole machine that expands a little can realize the miniaturization and the portalization of machining tool to the operation is also comparatively simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of the pipe processing equipment, a positioning die, contain this positioning die's extrusion frock, contain this extrusion frock the interior shaping structure that expands and contain this interior shaping structure's rounding machine is related to.
Background
The polyurethane material inside the pipe fitting to be processed is deformed by external pressure, so that the pipe fitting to be processed is locally extruded into a die cavity outside the pipe fitting to be processed, and the pipe fitting to be processed without flaring can be effectively molded. In the technical field of pipe processing, polyurethane materials are generally used as bulging materials inside pipe fittings to be processed, for example, a multiple-way pipe extrusion bulging process and a die thereof disclosed in chinese patent document CN 1131588A. The existing flaring-free pipe fitting internal expansion extrusion device to be processed is large in size, inconvenient to mount and dismount a die and complex to operate, and cannot be miniaturized and portable.
Disclosure of Invention
An object of the utility model is to overcome the defect that exists among the above-mentioned prior art, provide a positioning die, contain this positioning die's extrusion frock, contain this extrusion frock the interior bloated shaping structure and contain the pipe end extrusion rounding machine that expands a little of this interior bloated shaping structure, can realize the miniaturization and the portability of machining tool to the operation is also comparatively simple and convenient.
In order to achieve the purpose, the technical scheme of the application is as follows:
a positioning die, comprising:
the mounting seat is of a hollow shell structure and comprises a front end cover, a rear end cover and a slide way mounting seat connected with the front end cover and the rear end cover, positioning grooves are formed in the middle parts of the front end cover and the rear end cover, and a limiting boss is arranged on the inner side of each positioning groove of the front end cover;
and the outer diameter tool is an integrated cylindrical die, a cylindrical die cavity for the pipe fitting to be machined to penetrate is arranged in the middle of the cylindrical die, a gap is formed between the cylindrical die cavity and the penetrated pipe fitting to be machined, the outer diameter tool can be slidably arranged between the front end cover and the positioning groove of the rear end cover to realize circumferential positioning, and the outer diameter tool slides to the positioning groove of the front end cover and is matched with a limiting boss in the positioning groove of the rear end cover to realize axial positioning.
The preferable technical scheme is as follows:
according to the positioning die, the pipe fitting to be processed penetrating into the inner cavity of the cylindrical die is provided with the limiting structure in the axial direction.
The utility model also provides an extrusion frock, including link mechanism, fluting pipe, bloated footpath ring, draw bar assembly and as above arbitrary the positioning die, link mechanism's one end is connected respectively draw bar assembly with the fluting pipe, draw bar assembly inserts and locates the inboard of fluting pipe, including reducing section and sizing section, the fluting pipe is inserted and is located in the cylinder die cavity of external diameter frock and the clearance of waiting to process between the pipe fitting periphery wall to overlap at its grooved pot head and be equipped with bloated footpath ring works as the fluting pipe is in during the motion between the reducing section of draw bar assembly and the sizing section, bloated footpath ring is in expand under the effect of fluting pipe, with positioning die extrudees the pipe fitting of waiting to process jointly.
The preferable technical scheme is as follows:
according to the extrusion tool, the connecting rod mechanism comprises the pulleys, and the connecting rod mechanism is movably arranged in the inner cavity of the slide way mounting seat through the pulleys.
The extrusion tooling is characterized in that the connecting rod mechanism further comprises a plurality of adapters, and the connecting rod mechanism is respectively connected with the pull rod assembly and the grooved pipe through the adapters.
In the extrusion tooling, the diameter of the pull rod assembly of the reducing section is larger than that of the sizing section.
The utility model also provides an interior bloated forming structure, include: the extrusion tooling comprises a hydraulic oil cylinder, an oil grinding piston rod and the extrusion tooling, wherein the hydraulic oil cylinder is connected with the extrusion tooling through the oil grinding piston rod.
The preferable technical scheme is as follows:
according to the internal expansion forming structure, the oil grinding piston rod is connected with the pull rod assembly through the pull rod adaptor, when the hydraulic oil cylinder applies work to the outside, the hydraulic oil cylinder pulls the pull rod assembly to move towards the direction of the hydraulic oil cylinder in the mounting seat, and the pull rod assembly is enabled to generate relative displacement relative to the slotted pipe by utilizing the connecting rod mechanism so as to drive the expanding ring to move towards the diameter-variable section of the pull rod assembly, so that micro expansion is achieved.
The preferable technical scheme is as follows:
the internal expansion forming structure further comprises a support and a connecting plate, the hydraulic oil cylinder and the mounting seat are mounted on the support, and the hydraulic oil cylinder and the mounting seat are connected through the connecting plate to form a modular whole.
The utility model also provides a pipe end extrusion is whole circular knitting machine that expands a little, including hydraulic pump, the control unit, control panel and as above arbitrary the interior shaping structure that expands, hydraulic pump connect in the hydraulic cylinder of interior shaping structure that expands, the control unit respectively with the hydraulic pump and control panel is connected, the control unit receives control panel's command control the work of hydraulic pump.
Compared with the prior art, the utility model discloses following technological effect has at least:
(1) the positioning die of the utility model is directly placed into the positioning groove of the front end cover when in use, and the screw positioning is not needed, thus reducing the time for replacing the clamping die in the prior art;
(2) the utility model discloses an extrusion tooling, split ring adapter, slotted pipe, expanding ring, pull rod assembly and outer sleeve mold and so on are a whole set of combined mold, the remodeling is simple and convenient, the extrusion pressure of different specifications is set arbitrarily, and the extrusion tooling is suitable for the processing of different materials;
(3) the utility model discloses an internal expansion forming structure, main shaft is arranged on the left side of the top end of the equipment, the openness is good, and the internal expansion forming structure is particularly suitable for the whole circle of the small straight line section of the pipe end of the bent complex forming pipe fitting to be processed; the stretching shaft is driven by hydraulic power, so that the power is high and the operation is stable;
(4) the utility model discloses a pipe end extrusion is whole circular knitting machine that expands a little, for the semi-automatic type of simplex position, hydraulic power, electrical control extrusion process, small in size, the transport is convenient, is suitable for the operation of outfield use.
Drawings
FIG. 1 is a schematic structural view of an outer diameter tool of the present invention;
fig. 2 is a front view of the positioning mold of the present invention;
fig. 3 is an axial sectional view of the positioning mold of the present invention;
fig. 4 is an actual effect diagram of the extrusion tooling of the utility model;
fig. 5 is a schematic structural view of the tie rod adaptor of the present invention;
fig. 6 is a schematic structural view of the extrusion tooling of the present invention;
fig. 7 is an axial cross-sectional view of the extrusion tooling of the present invention;
fig. 8 is an exploded view of the extrusion tooling of the present invention;
fig. 9 is a front view of an internal expansion forming structure of the present invention;
fig. 10 is a perspective view of an internal expansion forming structure of the present invention;
fig. 11 is a schematic view of the overall structure of a pipe end extrusion micro-expansion rounding machine of the present invention;
wherein, 1, a hydraulic oil cylinder; 2. a support; 3. oil grinding the piston rod; 4. a pull rod adaptor; 5. a connecting plate; 6. a drawbar assembly; 7. a link mechanism; 8. positioning a mold; 9. a front end cover; 10. a rear end cap; 11. a slideway mounting seat; 12. a mounting seat; 13. an outer diameter tool; 14. a hydraulic pump; 15. a control unit; 16. control panel, 17, slotted tube, 18, expanding ring.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-3, wherein fig. 1 is a schematic structural diagram of an outer diameter tool provided by an embodiment of the present invention, fig. 2 is a front view of a positioning mold provided by an embodiment of the present invention, and fig. 3 is an axial sectional view of the positioning mold provided by an embodiment of the present invention.
As one aspect of the present embodiment, there is provided a positioning mold 8 including:
the mounting seat 12 is of a hollow shell structure and comprises a front end cover 9, a rear end cover 10 and a slide way mounting seat 11 for connecting the front end cover 9 and the rear end cover 10, positioning grooves are formed in the middle parts of the front end cover 9 and the rear end cover 10, and a limiting boss is arranged on the inner side of each positioning groove of the front end cover 9;
and an outer diameter tool 13, the outer diameter tool 13 is an integral cylindrical die, a cylindrical die cavity for the pipe fitting to be processed to penetrate is arranged in the middle of the cylindrical die, a gap is formed between the cylindrical die cavity and the pipe fitting to be processed to penetrate, the outer diameter tool 13 can be slidably arranged between the front end cover 9 and the positioning groove of the rear end cover 10 to realize circumferential positioning, and the outer diameter tool 13 can slide to the positioning groove of the front end cover 9, and the outer diameter tool 13 is matched with a limit boss in the positioning groove of the rear end cover 10 to realize axial positioning.
Wherein, more specifically, the pipe fitting of treating that penetrates in the cylinder mould intracavity is provided with limit structure in the axial direction, like the fillet strong point for positioning die 8 can withstand the pipe fitting of treating to process.
In practical application, the correct outer diameter tooling 13 (outer sleeve die) needs to be selected according to the outer diameter and the wall thickness of the pipe fitting to be processed and the shape of the pipe sleeve (or the light joint).
The positioning die 8 of this embodiment, integral type cylinder mould simple structure, the processing of being convenient for and guarantee operation requirement, cooperation reasonable in design between post mould and the constant head tank.
Please refer to fig. 4-8, wherein, fig. 4 is an actual effect diagram of the extrusion tooling provided by the embodiment of the present invention, fig. 5 is a schematic structural diagram of the pull rod adaptor 4 provided by the embodiment of the present invention, fig. 6 is a schematic structural diagram of the extrusion tooling provided by the embodiment of the present invention, fig. 7 is an axial cross-sectional view of the extrusion tooling provided by the embodiment of the present invention, and fig. 8 is an exploded structural diagram of the extrusion tooling provided by the embodiment of the present invention.
As another aspect of the present invention, there is provided an extrusion tooling, comprising a link mechanism 7, a grooved tube 17, an expansion ring 18, a tie rod assembly 6, and a positioning mold 8 as described in any one of the above, one end of the link mechanism 7 is respectively connected with the pull rod assembly 6 and the grooved tube 17, the pull rod assembly 6 is inserted into the inner side of the grooved tube 17 and comprises a diameter-changing section and a diameter-fixing section, the diameter of the pull rod assembly 6 of the diameter-changing section is larger than that of the diameter-fixing section, the slotted pipe 17 is inserted into a gap between the inner cavity of the cylindrical die of the outer diameter tool 13 and the outer peripheral wall of the pipe fitting to be processed, the expanded diameter ring 18 is sleeved at one slotted end of the slotted pipe, when the grooved tube 17 moves between the reducing section and the sizing section of the tie rod assembly 6, the expanding ring 18 expands under the action of the grooved tube 17 to co-extrude the pipe to be processed with the positioning die 8.
The processing principle is as follows:
and (3) putting the pipe fitting to be processed into the outer diameter tool 13, inserting the pull rod assembly 6 into the pipe fitting to be processed, pulling the pull rod assembly 6, and mutually matching the pull rod assembly 6 with the grooved pipe 17 and the outer sleeve mold to ensure that the diameter-expanding ring 18 is partially expanded by the diameter-changing section of the pull rod assembly 6, so that the pipe fitting to be processed is expanded from inside to outside. The precision control mode is controlled by the diameter change of the pull rod assembly 6 and the expanding ring 18.
To link mechanism 7, link mechanism 7 includes a plurality of pulleys and a plurality of adapter, link mechanism 7 passes through the pulley is in the interior intracavity activity of slide mount pad 11 sets up, link mechanism 7 passes through the adapter and connects respectively pull rod assembly 6 with fluting pipe 17.
The specific micro-swelling steps are as follows:
1) the oil cylinder pulls the pull rod assembly 6 to enable the pull rod assembly 6 to move towards the oil cylinder, and the outer sleeve mold props against the processed pipe fitting to enable the processed pipe fitting to keep static;
2) the two ends of the connecting rod mechanism 7 are respectively connected with the pull rod assembly 6 and the slotted pipe 17 through the adapter, the connecting rod mechanism moves along with the pull rod assembly 6, the structure of the connecting rod mechanism changes in shape under the action of the slideway groove of the mounting seat 12, one side close to the processing end is static, and one side far away from the processing end moves along with the pull rod assembly 6, namely the part of the connecting rod mechanism, which is connected with the adapter, is expanded along the axial direction;
3) at this time, the pull rod assembly 6 connected with the link mechanism 7 and far from the processing end is pulled back, while the slotted tube 17 close to the processing end is kept still, so that the slotted tube 17 drives the expanding ring 18 to move relative to the pull rod assembly 6 and move towards the reducing part of the pull rod assembly 6 (the diameter is increased);
4) when the slotted pipe 17 drives the expanding ring 18 to move towards the reducing part of the pull rod assembly 6, the diameter of the slotted part of the slotted pipe 17 is increased, and then the expanding ring 18 is expanded to extrude and process the pipe together with the outer sleeve die, so that micro-expansion is realized. The expansion diameter is kept static in the axial direction;
5) when the link mechanism 7 moves to the slideway plane of the mounting seat 12, two ends of the link mechanism are not unfolded along the axial direction any more, and keep relatively static, and the structure is not changed any more. The expanding ring 18 has moved completely with the grooved tube 17 to the diameter reducing and sizing section (diameter is the set machining diameter) of the tie rod assembly 6 and is against the end of the tie rod assembly 6. At this time, the pull rod assembly 6 pulls the other assemblies to keep synchronous motion with the link mechanism 7 and axially displace towards the direction of the oil cylinder, so that the expansion ring 18 finishes slight expansion of the rest part of the processed pipe fitting;
6) until the pull rod assembly 6 and the link mechanism 7 are pulled back to the stroke limit, the expanding ring 18 completely exits from the pipe fitting to be processed, and then the outer sleeve die can be taken down to take out the pipe fitting to be processed;
7) the feed shaft oil cylinder pushes the pull rod assembly 6 to move towards the pushing direction, so that the slotted pipe 17 drives the expanding ring 18 to exit from the position of the sizing of the pull rod assembly 6 for processing, the expanding ring returns to the initial position from the position of the sizing of the pull rod assembly 6, and the pull rod assembly 6 and the connecting rod mechanism 7 are pushed back to the initial position through the adapter.
Please refer to fig. 9 to 10, wherein fig. 9 is a front view of an internal expansion forming structure according to an embodiment of the present invention, and fig. 10 is a perspective view of the internal expansion forming structure according to an embodiment of the present invention.
The utility model also provides an interior bloated forming structure, include: the hydraulic oil cylinder 1 is connected with the extrusion tool through the oil grinding piston rod 3, the hydraulic oil cylinder 1 and the mounting seat 12 are both mounted on the support 2, and the hydraulic oil cylinder 1 is connected with the mounting seat 12 through the connecting plate 5 to form a modular whole.
The working principle is as follows: the pull rod adapter is connected to a piston rod of the hydraulic oil cylinder 1 through threads, the two ends of the connecting rod mechanism 7 are respectively limited by the respective adapter in the axial direction to move the pull rod assembly 6 and the slotted pipe 17, and the hydraulic cylinder pulls the adapter and the pull rod assembly 6 to move in the direction of the oil cylinder in the die body. Meanwhile, under the action of the slideway groove in the mounting seat 12 on the link mechanism 7, the link mechanism 7 enables the pull rod assembly 6 to relatively displace relative to the slotted pipe 17, and drives the expanding ring 18 to move towards the reducing part of the pull rod assembly 6, so as to realize slight expansion.
The two connecting plates 5 are connected between the hydraulic cylinder and the mounting seat 12, the whole forming part mechanism can be regarded as a modular whole, the balanced stress structure is high in strength, and the work is stable.
More specifically, the oil grinding piston rod 3 is connected with the pull rod assembly 6 through the pull rod adaptor 4, when the hydraulic cylinder 1 applies work to the outside, the hydraulic cylinder 1 pulls the pull rod assembly 6 to move towards the hydraulic cylinder 1 in the mounting seat 12, and the link mechanism 7 is utilized to enable the pull rod assembly 6 to generate relative displacement relative to the slotted pipe 17 so as to drive the expanding ring 18 to move towards the diameter-changing section of the pull rod assembly 6, so that slight expansion is realized.
Please refer to fig. 11, wherein fig. 11 is a schematic view of an overall structure of a pipe end extruding and micro-expanding rounding machine according to an embodiment of the present invention.
The embodiment also provides a pipe end extrusion micro-expansion rounding machine, which comprises a hydraulic pump 14, a control unit 15, a control panel 16 and the internal expansion forming structure, wherein the hydraulic pump 14 is connected to the hydraulic oil cylinder 1 of the internal expansion forming structure, the control unit 15 is respectively connected with the hydraulic pump 14 and the control panel 16, and the control unit 15 receives an instruction of the control panel 16 to control the work of the hydraulic pump 14.
The pipe end extrusion micro-expansion rounding machine has the external dimension of 470mm multiplied by 720mm multiplied by 300mm, has small volume and is convenient to carry; the size of the catheter which can be processed is 6mm to 20mm, the power can reach 1KW, and the practicability is strong.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A positioning die, comprising:
the mounting seat is of a hollow shell structure and comprises a front end cover, a rear end cover and a slide way mounting seat connected with the front end cover and the rear end cover, positioning grooves are formed in the middle parts of the front end cover and the rear end cover, and a limiting boss is arranged on the inner side of each positioning groove of the front end cover;
and the outer diameter tool is an integrated cylindrical die, a cylindrical die cavity for the pipe fitting to be machined to penetrate is arranged in the middle of the cylindrical die, a gap is formed between the cylindrical die cavity and the penetrated pipe fitting to be machined, the outer diameter tool can be slidably arranged between the front end cover and the positioning groove of the rear end cover to realize circumferential positioning, and the outer diameter tool slides to the positioning groove of the front end cover and is matched with a limiting boss in the positioning groove of the rear end cover to realize axial positioning.
2. The positioning die as claimed in claim 1, wherein the pipe to be processed penetrating into the cylindrical die cavity is provided with a limiting structure in the axial direction.
3. The utility model provides an extrusion frock, its characterized in that, including link mechanism, fluting pipe, bloated footpath ring, pull rod assembly and according to any one of claims 1 ~ 2 the positioning die, link mechanism's one end is connected respectively pull rod assembly with the fluting pipe, pull rod assembly inserts and locates the inboard of fluting pipe, including reducing section and sizing section, the fluting pipe is inserted and is located in the clearance between the cylinder mould inner chamber of external diameter frock and the pipe fitting periphery wall of waiting to process to overlap at a slotted pot head thereof and be equipped with bloated footpath ring works as the fluting pipe is in when moving between pull rod assembly's reducing section and the sizing section, bloated footpath ring is in under the effect of fluting pipe inflation, with positioning die extrudees jointly and waits to process the pipe fitting.
4. The extrusion tooling of claim 3, wherein the linkage mechanism comprises a plurality of pulleys, and the linkage mechanism is movably arranged in the inner cavity of the slide way mounting seat through the pulleys.
5. The extrusion tooling of claim 3, wherein the linkage mechanism further comprises a plurality of adapters, and the linkage mechanism is connected to the tie rod assembly and the grooved tube through the adapters, respectively.
6. The extrusion tooling of claim 3, wherein the tie rod assembly of the reducer section has a larger diameter relative to the sizing section.
7. An internal expansion forming structure comprising: the extrusion tooling is characterized by comprising a hydraulic oil cylinder, an oil grinding piston rod and the extrusion tooling according to any one of claims 3 to 6, wherein the hydraulic oil cylinder is connected with the extrusion tooling through the oil grinding piston rod.
8. The internal expansion forming structure according to claim 7, wherein the oil grinding piston rod is connected to the pull rod assembly through a pull rod adaptor, when the hydraulic cylinder applies work to the outside, the hydraulic cylinder pulls the pull rod assembly to move in the direction of the hydraulic cylinder in the mounting seat, and the link mechanism is used to enable the pull rod assembly to relatively displace relative to the slotted tube so as to drive the expanding ring to move towards the diameter-variable section of the pull rod assembly, so that micro expansion is achieved.
9. The internal expansion forming structure of claim 7, further comprising a support and a connecting plate, wherein the hydraulic oil cylinder and the mounting seat are both mounted on the support, and the hydraulic oil cylinder and the mounting seat are connected through the connecting plate to form a modular whole.
10. A rounding machine comprises a hydraulic pump, a control unit, a control panel and an internal expansion forming structure according to any one of claims 7 to 9, wherein the hydraulic pump is connected to a hydraulic oil cylinder of the internal expansion forming structure, the control unit is respectively connected with the hydraulic pump and the control panel, and the control unit receives instructions of the control panel to control the work of the hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023034449.XU CN214488515U (en) | 2020-12-16 | 2020-12-16 | Positioning die, extrusion tooling, internal expansion forming structure and rounding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023034449.XU CN214488515U (en) | 2020-12-16 | 2020-12-16 | Positioning die, extrusion tooling, internal expansion forming structure and rounding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214488515U true CN214488515U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023034449.XU Active CN214488515U (en) | 2020-12-16 | 2020-12-16 | Positioning die, extrusion tooling, internal expansion forming structure and rounding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214488515U (en) |
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2020
- 2020-12-16 CN CN202023034449.XU patent/CN214488515U/en active Active
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