CN211386300U - Multi-roller type seamless taper pipe ultra-precision forming device - Google Patents
Multi-roller type seamless taper pipe ultra-precision forming device Download PDFInfo
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- CN211386300U CN211386300U CN201922191708.0U CN201922191708U CN211386300U CN 211386300 U CN211386300 U CN 211386300U CN 201922191708 U CN201922191708 U CN 201922191708U CN 211386300 U CN211386300 U CN 211386300U
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Abstract
The utility model discloses a multi-roll seamless taper pipe ultra-precision forming device, which comprises a frame, wherein a pipe driving device is arranged on the frame, the pipe driving device rotationally conveys a pipe to a taper pipe forming roller die, and the taper pipe forming roller die is connected with a reciprocating mechanism; the taper pipe forming roller die comprises a plurality of groups of forming modules which are sequentially arranged along the axis direction of a pipe to be processed, each group of forming modules comprises three roller die bodies which radially surround the distribution around the axis, the roller die bodies are fixed on the die frame, a circle of forming grooves are formed in the circumference of each roller die body, a cold pressing die orifice in a complete circle shape is formed after the forming grooves of the three roller die bodies are matched, and the diameter of the formed cold pressing die orifice is gradually increased or reduced along with the synchronous rotation of the three roller die bodies. The utility model has the advantages of can process the seamless taper pipe of the flexible seamless taper pipe of capillary of millimeter rank, make the seamless taper pipe of the flexible seamless taper pipe of capillary all satisfy the industrial production requirement on processing qualification rate and machining precision.
Description
Technical Field
The utility model relates to a seamless taper pipe makes technical field, especially a seamless taper pipe ultra-precision forming device of multiple roll formula.
Background
At present, the fields such as petroleum, chemical industry, medical treatment, fire control, electric power, mechanical equipment, logistics equipment, shipbuilding, building, instruments and meters, hot-water heating household electrical appliances, military affairs all need use the taper pipe, because the taper pipe main raw materials uses carbon steel as main, also can use various materials such as stainless steel, alloy steel obtain the taper pipe of different performance, traditional hot push shaping's mode can cause irreversible internal part substructure's change to the processing material, make the taper pipe that the processing obtained lose the performance of material itself, consequently, to some service environment that require high to the material, cold press shaping has become the mainstream of taper pipe processing.
For cold press molding of a taper pipe, the rolling type processing gradually replaces extrusion type processing to become the mainstream of the modern taper pipe cold press molding due to the advantages that the large-size pipe can be processed, the pipe has small bursting probability in the processing process, and the like, and in the patent application CN 109351777A applied and published by the department of China, the equipment for producing and processing the seamless taper pipe in the rotating rolling type is disclosed, is used for processing the seamless steel pipe into a conical hollow round pipe and comprises a rack, a driving mechanism, a rolling die assembly and a steel pipe feeding and demoulding mechanism; the rolling die assembly is slidably arranged in the rack and at least comprises a pair of rollers, the rollers are annularly provided with grooves, the distances from the bottom surfaces of the grooves to the center points of the rollers are different, and the grooves on the pair of rollers form a die cavity; the steel pipe is sent to a demoulding mechanism and is used for gradually sending the steel pipe into a rolling mould component; the driving mechanism drives the rolling die assembly to move left and right, and the pair of rollers which are opposite in rotation rotate at the same time, so that the steel pipe is rolled and formed in a die cavity formed by the pair of rollers.
The above patent basically solves the cold press molding processing of the taper pipe with the conventional size, but relates to a more precise capillary flexible seamless taper pipe under the specific requirements of medical instruments, instruments and meters, the outer diameter of the capillary flexible seamless taper pipe is 2.5-6.5mm, the device in the above patent has a mold which is a mold cavity consisting of grooves on a pair of rollers, the millimeter-grade taper pipe cannot be processed, even if the device is scaled in an equal proportion, the precision and the success rate of processing the taper pipe cannot reach the production requirements, and the processing cost of a single capillary flexible seamless taper pipe is very high.
Therefore, the existing taper pipe forming equipment cannot well process the capillary flexible seamless taper pipe at the millimeter level, the production requirement of the capillary flexible seamless taper pipe cannot be met no matter on the processing qualified rate and the processing precision, and a new seamless taper pipe ultra-precision forming device is urgently needed to meet the requirement of the market on the capillary flexible seamless taper pipe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-roll type seamless taper pipe ultra-precision forming device. The method has the advantages that the method can process the capillary flexible seamless taper pipe in millimeter level, the processing qualification rate and the processing precision of the capillary flexible seamless taper pipe can meet the requirements of industrial production, and the manufacturing cost of the capillary flexible seamless taper pipe is reduced.
The technical scheme of the utility model: a multi-roller type seamless taper pipe ultra-precision forming device comprises a rack, wherein a pipe driving device is arranged on the rack and used for conveying a pipe to a taper pipe forming roller die in a rotating mode, and the taper pipe forming roller die is connected with a reciprocating mechanism; the taper pipe forming roller die comprises a plurality of groups of forming modules which are sequentially arranged along the axis direction of a pipe to be processed, each group of forming modules comprises three roller die bodies which radially surround the distribution around the axis, the roller die bodies are fixed on the die frame, a circle of forming grooves are formed in the circumference of each roller die body, a cold pressing die orifice in a complete circle shape is formed after the forming grooves of the three roller die bodies are matched, and the diameter of the formed cold pressing die orifice is gradually increased or reduced along with the synchronous rotation of the three roller die bodies.
In the multi-roller type seamless taper pipe ultra-precision forming device, in two adjacent groups of forming modules along the linear motion direction of the taper pipe, the minimum cold pressing die orifice diameter of the front group of forming modules is larger than that of the rear group of forming modules and smaller than that of the rear group of forming modules.
In the multi-roller type seamless taper pipe ultra-precision forming device, the center of the roller die body is provided with the shaft hole, and the roller die body is installed through the shaft.
In the multi-roller type seamless taper pipe ultra-precision forming device, the effective working length of the forming groove is 1/2-3/4 of the circumference of the forming groove.
In the aforementioned ultra-precision forming device of multi-roll seamless taper pipe, the die carrier includes a plurality of end to end's triangular prism shape inner core, is equipped with the through-hole that matches with the seamless taper pipe of production on the inner core central line, corresponds on the three side of inner core and is equipped with the closing cap, and the side of inner core is formed with the accommodation space that can supply roller mould body embedding behind the closing cap cooperation with corresponding, and the outside cover of the cooperation body of a plurality of inner core and all closing caps has the cylindricality shell.
In the foregoing multi-roller type seamless taper pipe ultra-precision forming device, two ends of the cylindrical outer shell are provided with limit stoppers.
In the aforementioned multi-roll seamless taper pipe ultra-precision forming device, the pipe driving device comprises a first linear motion driving motor, the first linear motion driving motor is connected with a pair of first lead screws, a pipe mounting plate is erected on the first lead screws, a rotating motor is arranged on the pipe mounting plate, a second linear motion driving motor is arranged on the pipe mounting plate along one side of the pipe feeding direction, the second linear motion driving motor is connected with a pair of second lead screws, and a pipe supporting plate is erected on the second lead screws.
In the above-mentioned multi-roller type seamless taper pipe ultra-precision forming device, the reciprocating mechanism includes the carousel, and the edge of carousel is connected with the taper pipe forming roller mould through the connecting rod, and taper pipe forming roller mould bottom is connected with the slide, is equipped with the slide to the vertical spacing of slide below the taper pipe forming roller mould.
In the multi-roller type seamless taper pipe ultra-precision forming device, lattice baffles are arranged around the outer side of the taper pipe forming roller die.
Compared with the prior art, the utility model discloses the taper pipe carries out rolling type cold press forming under reciprocating motion's taper pipe shaping roller mould effect, wherein the taper pipe shaping roller mould includes a plurality of groups of forming modules that arrange along waiting to process the tubular product axis direction in proper order, each group of forming modules all includes three roller mould bodies that distribute around the axis radial direction, because the tubular product of waiting to process is the motion of doing rotatory while sharp feed, this kind of annular distribution design around a week of roller mould body compares in current mode design, when making tubular product contact roller mould body, disperse the effort to three different roller mould bodies, three different roller mould bodies give tubular product reaction force simultaneously and carry out rolling type shaping processing to it, reaction force is more dispersed and even, obtain the taper pipe that the machining precision is higher, can be used for processing millimeter-level capillary flexible seamless taper pipe, because the utility model discloses forming module comprises three roller mould bodies that distribute around the pipeline annular, higher to the fault-tolerant rate of roller die body self, also make the seamless taper pipe of capillary flexibility homoenergetic satisfy the industrial production requirement on processing qualification rate and machining precision, adopt the utility model discloses equipment carries out the manufacturing cost of the seamless taper pipe of capillary flexibility processing that also greatly reduced the seamless taper pipe of capillary flexibility.
Further, in two sets of adjacent forming module along the taper pipe linear motion direction, preceding forming module's minimum cold pressing die orifice diameter is greater than back forming module's minimum cold pressing die orifice diameter and is less than back forming module's the biggest cold pressing die orifice diameter, and this kind of size design makes the utility model discloses under the ideal condition, only need adjust forming module group number, can accomplish the continuous forming processing of the taper pipe of required length.
Furthermore, the effective working length of the forming groove of the roller die body is 1/2-3/4 of the circumference perimeter where the forming groove is located, so that the working area on the roller die body is reasonably utilized, and the conditions of interference between the roller die body and the pipe and the like during rolling processing can be effectively prevented; the utility model discloses a roller mould body is installed on the die carrier, and the die carrier includes a plurality of end to end's triangular prism form inner core, is equipped with the through-hole supporting with the seamless taper pipe of production on the inner core central line, corresponds on the three side of inner core and is equipped with the closing cap, and the side of inner core is inside to be formed with the accommodation space that can supply roller mould body embedding behind the closing cap cooperation with corresponding, for roller mould body custom-made, helps the stability of improve equipment operation.
To sum up, the utility model has the advantages of can process the seamless taper pipe of the flexible seamless taper pipe of capillary of millimeter rank, make the seamless taper pipe of the flexible seamless taper pipe of capillary all satisfy the industrial production requirement on processing qualification rate and machining precision, reduced the manufacturing cost of the seamless taper pipe of the flexible seamless taper pipe of capillary.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a conical tube forming roller die;
FIG. 3 is a schematic structural view of a forming module;
FIG. 4 is a schematic structural view of the inner core;
FIG. 5 is a schematic view of the closure;
FIG. 6 is a schematic three-dimensional structure of a cylindrical housing;
FIG. 7 is a schematic cross-sectional view of a cylindrical housing;
fig. 8 is a schematic view showing a state where the molding module is mounted in the mold frame;
FIG. 9 is a schematic view of the installation of the conical tube forming roller die on the sliding plate;
fig. 10 is a schematic structural view of the tube driving device.
Reference numerals: 1-frame, 2-pipe driving device, 3-taper pipe forming roller die, 4-reciprocating mechanism, 31-forming module, 32-die carrier, 33-grid baffle, 201-first linear motion driving motor, 202-first lead screw, 203-pipe mounting plate, 204-rotating motor, 205-second linear motion driving motor, 206-second lead screw, 207-pipe supporting plate, 311-roller die body, 321-inner core, 322-sealing cover, 323-cylindrical shell, 324-limit stop, 325-through hole, 401-turntable, 402-connecting rod, 403-sliding plate and 404-slideway.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): a multi-roller type seamless taper pipe ultra-precision forming device is mainly used for processing a capillary flexible seamless taper pipe with the outer diameter size of 2.5-6.5mm, and the structure is shown in figures 1-10, and the device comprises a rack 1, wherein a pipe driving device 2 is installed on the rack 1, the pipe driving device 2 is used for conveying a pipe to a taper pipe forming roller die 3 in a rotating mode, and the taper pipe forming roller die 3 is connected with a reciprocating mechanism 4; the taper pipe forming roller die 3 comprises a plurality of groups of forming modules 31 which are sequentially arranged along the axial direction of a pipe to be processed, each group of forming modules 31 comprises three roller die bodies 311 which radially surround the pipe to be processed around the axial direction, each roller die body 311 is fixed on the die frame 32, a circle of forming grooves are formed in the circumference of each roller die body 311, a cold pressing die opening in a whole circle shape is formed after the forming grooves of the three roller die bodies 311 are matched, and the diameter of the formed cold pressing die opening is gradually increased or reduced along with the synchronous rotation of the three roller die bodies 311.
In the practical application process, as the using length of the capillary flexible seamless taper pipe is not required to be too long, the number of the forming modules 31 in the embodiment is 4, and the production requirement can be met; in two adjacent groups of forming modules 31 along the direction of the straight line motion of the taper pipe, the minimum cold pressing die orifice diameter of the front group of forming modules 31 is larger than the minimum cold pressing die orifice diameter of the rear group of forming modules 31 and is smaller than the maximum cold pressing die orifice diameter of the rear group of forming modules 31, that is, each roller die body 311 of the utility model is designed in size, so that the circular cold pressing die orifice diameters formed by the front and rear groups of forming modules 31 are partially overlapped with each other, and the continuous cold pressing forming of the seamless taper pipe in a multistage alternating manner is carried out; the center of the roller die body 311 is provided with a shaft hole, and the roller die body 311 is installed through the shaft; the effective working length of the forming groove is 1/2-3/4 of the circumference of the forming groove, the working area on the roller die body 311 is reasonably utilized, and the conditions of interference between the roller die body 311 and the pipe and the like in the rolling process can be effectively prevented.
The die carrier 32 comprises a plurality of triangular prism-shaped inner cores 321 connected end to end, through holes 325 matched with the produced seamless taper pipes are formed in the center lines of the inner cores 321, sealing covers 322 are correspondingly arranged on three side faces of the inner cores 321, accommodating spaces capable of being embedded into the roller die body 311 are formed in the inner portions of the side faces of the inner cores 321 matched with the corresponding sealing covers 322, the accommodating spaces are slightly larger than the size of the roller die body 311, so that a certain adjusting space is formed in the radial direction after the roller die body 311 is installed, cylindrical outer shells 323 are sleeved outside matching bodies of the inner cores 321 and all the sealing covers 322, all the sealing covers 322 and the matching bodies of the inner cores 321 are sealed and fixed for radial limiting, limiting stoppers 324 are arranged at two ends of the cylindrical outer shells 323 for axial limiting, and the die carrier 32 is customized for the roller die body 311, and is beneficial to.
The pipe driving device 2 comprises a first linear motion driving motor 201, so that the pipe realizes linear feeding motion, the first linear motion driving motor 201 is connected with a pair of first lead screws 202, a pipe mounting plate 203 is erected on the first lead screws 202, a rotating motor 204 is arranged on the pipe mounting plate 203, so that the pipe realizes rotating motion, a second linear motion driving motor 205 is arranged on one side of the pipe mounting plate 203 along the pipe feeding direction, the second linear motion driving motor 205 is connected with a pair of second lead screws 206, a pipe supporting plate 207 is erected on the second lead screws 206, and the supporting plate realizes linear motion under the action of the second linear motion driving motor 205 to assist the linear motion of the pipe; the reciprocating mechanism 4 comprises a turntable 401, the turntable 401 is connected with a motor through a transmission part with a certain size, the edge of the turntable 401 is connected with a taper pipe forming roller die 3 through a connecting rod 402, the bottom of the taper pipe forming roller die 3 is connected with a sliding plate 403, a slideway 404 for longitudinally limiting the sliding plate 403 is arranged below the taper pipe forming roller die 3, and the taper pipe forming roller die 3 is prevented from being separated from the slideway 404 with linear motion; and grid baffles 33 are arranged around the outer side of the conical tube forming roller die 3, so that a forming processing part is separated from a driving part of a front tube, and the management and the maintenance are convenient.
The utility model discloses a taper pipe forming process: the equal-diameter straight pipe is arranged on a pipe driving device 2, a conical core rod is inserted into the equal-diameter straight pipe for forming to serve as an inner mold, the equal-diameter straight pipe rotates under the action of a first linear motion driving motor 201, a first lead screw 202 and a rotating motor 204 and is linearly input into a conical pipe forming roller mold 3 at a certain speed, the conical pipe forming roller mold 3 is driven by a reciprocating mechanism 4 to reciprocate while the equal-diameter straight pipe and the core rod are synchronously fed, the equal-diameter straight pipe entering the conical pipe forming roller mold 3 drives a roller mold body 311 to rotate, and meanwhile the roller mold body 311 gives a reaction force to the equal-diameter straight pipe to carry out continuous rolling type forming processing on the equal-diameter straight pipe so as to process the equal-diameter straight pipe into a seamless conical pipe.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (9)
1. The utility model provides a multi-roll formula seamless taper pipe ultra-precision forming device which characterized in that: the pipe forming machine comprises a rack (1), wherein a pipe driving device (2) is installed on the rack (1), the pipe driving device (2) conveys a pipe to a taper pipe forming roller die (3) in a rotating mode, and the taper pipe forming roller die (3) is connected with a reciprocating mechanism (4); taper pipe shaping roller mould (3) include a plurality of groups along waiting to process the forming module (31) that tubular product axis direction arranged in proper order, every group forming module (31) all include three around the radial roller mould body (311) around the distribution of axis, roller mould body (311) are fixed on die carrier (32), be equipped with the round shaping groove on roller mould body (311) circumference, form a whole circular shape die orifice of colding pressing behind the shaping groove cooperation of three roller mould body (311), and along with the synchronous revolution of three roller mould body (311), the cold pressing die orifice diameter of formation increases gradually or reduces.
2. The multi-roll type ultra-precision forming device for the seamless taper pipe according to claim 1, wherein: in two adjacent groups of forming modules (31) along the straight movement direction of the taper pipe, the minimum cold-pressing die orifice diameter of the front forming module (31) is larger than that of the rear forming module (31) and is smaller than that of the rear forming module (31).
3. The multi-roll type seamless taper pipe ultra-precision forming device according to claim 2, wherein: the center of the roller die body (311) is provided with a shaft hole, and the roller die body (311) is installed through the shaft.
4. The multi-roll seamless taper pipe ultra-precision molding apparatus according to claim 1, 2 or 3, wherein: the effective working length of the forming groove is 1/2-3/4 of the circumference of the forming groove.
5. The multi-roll seamless taper pipe ultra-precision molding apparatus according to claim 1, 2 or 3, wherein: the die carrier (32) includes triangular prism shape inner core (321) of a plurality of end to end, be equipped with on inner core (321) the central line with supporting through-hole (325) of the seamless taper pipe of production, correspond on the three side of inner core (321) and be equipped with closing cap (322), the side of inner core (321) is formed with the accommodation space that can supply roller mould body (311) embedding with closing cap (322) cooperation back is inside, the cooperation external cover of a plurality of inner core (321) and all closing cap (322) has cylindricality shell (323).
6. The multi-roll type ultra-precision forming device for the seamless taper pipe according to claim 5, wherein: and two ends of the cylindrical shell (323) are provided with limit stoppers (324).
7. The multi-roll type ultra-precision forming device for the seamless taper pipe according to claim 1, wherein: the pipe driving device (2) comprises a first linear motion driving motor (201), the first linear motion driving motor (201) is connected with a pair of first lead screws (202), a pipe mounting plate (203) is erected on the first lead screws (202), a rotating motor (204) is arranged on the pipe mounting plate (203), a second linear motion driving motor (205) is arranged on the pipe mounting plate (203) along one side of the pipe feeding direction, the second linear motion driving motor (205) is connected with a pair of second lead screws (206), and a pipe supporting plate (207) is erected on the second lead screws (206).
8. The multi-roll type ultra-precision forming device for the seamless taper pipe according to claim 1, wherein: the reciprocating mechanism (4) comprises a rotary table (401), the edge of the rotary table (401) is connected with a conical tube forming roller die (3) through a connecting rod (402), the bottom of the conical tube forming roller die (3) is connected with a sliding plate (403), and a sliding way (404) for longitudinally limiting the sliding plate (403) is arranged below the conical tube forming roller die (3).
9. The multi-roll type ultra-precision forming device for the seamless taper pipe according to claim 1, wherein: and grid baffles (33) are arranged around the outer side of the conical tube forming roller die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191708.0U CN211386300U (en) | 2019-12-09 | 2019-12-09 | Multi-roller type seamless taper pipe ultra-precision forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191708.0U CN211386300U (en) | 2019-12-09 | 2019-12-09 | Multi-roller type seamless taper pipe ultra-precision forming device |
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| CN211386300U true CN211386300U (en) | 2020-09-01 |
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| CN201922191708.0U Active CN211386300U (en) | 2019-12-09 | 2019-12-09 | Multi-roller type seamless taper pipe ultra-precision forming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014302A (en) * | 2019-12-09 | 2020-04-17 | 杭州淳通新材料科技有限公司 | Multi-roller type seamless taper pipe ultra-precision forming device and seamless taper pipe forming process |
-
2019
- 2019-12-09 CN CN201922191708.0U patent/CN211386300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014302A (en) * | 2019-12-09 | 2020-04-17 | 杭州淳通新材料科技有限公司 | Multi-roller type seamless taper pipe ultra-precision forming device and seamless taper pipe forming process |
| CN111014302B (en) * | 2019-12-09 | 2021-07-23 | 杭州淳通新材料科技有限公司 | Multi-roller type seamless taper pipe ultra-precision forming device and seamless taper pipe forming process |
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