CN212494606U - Internal thread forming device by using hard alloy ball - Google Patents
Internal thread forming device by using hard alloy ball Download PDFInfo
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- CN212494606U CN212494606U CN202020582355.7U CN202020582355U CN212494606U CN 212494606 U CN212494606 U CN 212494606U CN 202020582355 U CN202020582355 U CN 202020582355U CN 212494606 U CN212494606 U CN 212494606U
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- ring
- internal thread
- forming
- transmission part
- hollow pipeline
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- 239000000956 alloy Substances 0.000 title abstract description 11
- 229910045601 alloy Inorganic materials 0.000 title abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a device for forming internal thread by hard alloy ball, which comprises a thread forming pipe, a ball extrusion component and a blank pipe moving component, wherein the blank pipe moving component is arranged in the thread forming pipe, the thread forming pipe comprises a hollow pipeline, the pipe wall of the hollow pipeline is symmetrically provided with two groups of gaps, one end of the hollow pipeline is respectively and fixedly provided with a first clamping ring and a second clamping ring, balls are arranged between the first clamping ring and the second clamping ring, the ball extrusion component is arranged into two groups, the ball extrusion component comprises a first motor, the output shaft end of the first motor is fixedly provided with a transmission part, the transmission part is fixedly connected with a transmission lead screw, the lead screw is far away from the transmission part and is in threaded connection with a shifting block, a lantern ring is arranged between the two groups of shifting blocks, the inner ring of the lantern ring is arranged into a cone shape, and the inner ring of the, the screw rod is used for controlling the displacement generated by the pressing of the ball, and the thread forming depth is controlled.
Description
Technical Field
The utility model relates to an internal thread forming device technical field, concretely relates to utilize carbide ball to carry out internal thread forming device.
Background
In the production and processing of metal pipes, threads, also called as internal threaded pipes, are usually machined on the inner wall of the pipe. In the prior art, internal threads of a blank pipe are usually processed by adopting a drawing and steel ball rolling mode, and the device comprises a rotary rolling mechanism and a drawing mechanism which is arranged at the front end of the blank pipe and used for drawing the blank pipe. The rotary rolling mechanism comprises a rotary motor, a shaft sleeve which rotates under the drive of the rotary motor, a sliding sleeve which stops rotating relative to the shaft sleeve and can slide along the outer wall of the shaft sleeve, a shifting fork which is driven by a cylinder to move along the axial direction, a bearing or a plurality of balls and an inner core with threads. The shaft sleeve is arranged at the periphery of the parison tube, the ball is contacted with the front end face of the shaft sleeve, the inner wall face of the sliding sleeve and the outer wall face of the parison tube, and the inner core is arranged in the parison tube at the position of the ball. The inner wall surface of the sliding sleeve is a conical surface, when the inner wall surface of the sliding sleeve is closer to the parison tube and is contacted with the balls, the conical surface of the sliding sleeve presses the balls downwards, so that the balls extrude the parison tube, the shaft sleeve rotates to drive the sliding sleeve to rotate, the balls contacted with the sliding sleeve are driven by friction force to roll on the outer wall surface of the parison tube, the parison tube is rolled by the balls, the inner wall surface of the parison tube is extruded with the inner core, and threads matched with the threads of the inner core are processed on the inner wall surface. And (3) pulling the blank pipe along the axial direction at a constant speed by the drawing mechanism during rolling to draw out the metal pipe with the processed internal thread. A die can be arranged at the front end cover of the device, and the metal pipe with the processed internal thread passes through the die under the action of a drawing mechanism so as to obtain a finished product.
However, the ball is driven by the cylinder, the extrusion range is not adjustable, namely the thread depth is not adjustable, the grinding tool needs to be frequently replaced, and the processing cost is increased; and the motor is too big because the pressure that the processing produced is directly resisted to the in-process that promotes the pipe fitting, has shortened the life of motor.
Therefore, the device for forming the internal thread by using the hard alloy ball is provided, the air cylinder is replaced by a screw rod to push, the screw rod is used for controlling the displacement generated by pressing the ball, and the thread forming depth is controlled; the connection mode of the motor and the blank pipe is changed into synchronous belt transmission connection, so that the transmission load of the motor is reduced, and the service life of the motor is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize carbide ball to carry out internal thread forming device replaces the cylinder with the lead screw, increases transmission portion at the rotating electrical machines output shaft end to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a device for forming internal threads by using hard alloy balls comprises a thread forming pipe, a ball extruding assembly and a blank pipe moving assembly, wherein the blank pipe moving assembly is arranged in the thread forming pipe, the thread forming pipe comprises a hollow pipeline, two groups of notches are symmetrically arranged on the pipe wall of the hollow pipeline, one end of the hollow pipeline is fixedly provided with a first pressing ring and a second pressing ring respectively, and balls are arranged between the first pressing ring and the second pressing ring;
the ball extrusion assemblies are arranged into two groups, each ball extrusion assembly comprises a first motor, a transmission part is fixedly mounted at an output shaft end of each first motor, the transmission part is fixedly connected with a transmission screw rod, the screw rod is connected with shifting blocks away from the transmission part through threads, a lantern ring is arranged between the two groups of shifting blocks, the inner ring of the lantern ring is conical, and the inner ring of the lantern ring and the balls are arranged in a tangent mode;
the blank pipe moving assembly comprises a second motor, a transmission part and a guide pipe, the transmission part is fixedly connected to the output shaft end of the second motor, a push rod is fixedly installed on one side of the transmission part, the push rod is installed in the guide pipe in a sliding mode, and the guide pipe is fixedly installed in the hollow pipeline.
Preferably, the two ends of the hollow pipeline are fixedly provided with sealing plates, and a first through hole is formed in one group of the sealing plates.
Preferably, a second through hole is formed in the sealing plate, and one side of the first pressing ring is installed in the second through hole in a penetrating mode.
Preferably, one end of the conduit is installed in the first through hole in a penetrating manner, and the other end of the conduit is fixedly installed in the first pressing ring.
Preferably, a cover plate is fixedly mounted at one end of the hollow pipeline, and the cover plate is fixedly connected with one side of the first pressing ring.
Preferably, the transmission part comprises a first belt wheel and a second belt wheel, the first belt wheel and the second belt wheel are in transmission connection through a transmission belt, the first belt wheel is fixedly installed at one end of the transmission screw rod, and the second belt wheel is fixedly installed at the output shaft end of the first motor.
Preferably, a connecting rod is fixedly mounted on one side of the shifting block, a fixing ring is arranged at one end of the connecting rod, a clamping groove is formed in the inner ring of the fixing ring, and the lantern ring is fixedly mounted in the clamping groove.
Preferably, the two ends of the hollow pipeline are symmetrically provided with vertical plates, and the screw rod is rotatably arranged between the two groups of vertical plates.
Preferably, the connecting rod is slidably mounted in the notch, and the connecting rod and the notch are in clearance fit.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the air cylinder is replaced by a screw rod for pushing, the screw rod is used for controlling the displacement generated by the pressing of the ball bearings, and the thread forming depth is controlled;
2. the connection mode of the motor and the blank pipe is changed into synchronous belt transmission connection, so that the transmission load of the motor is reduced, and the service life of the motor is prolonged.
Drawings
Fig. 1 is a schematic structural view of a device for forming internal threads by using hard alloy balls according to the present invention;
fig. 2 is a schematic top view of the internal thread forming device using hard alloy balls according to the present invention;
FIG. 3 is a schematic view of a cross-sectional structure of a discharge port of the internal thread forming device using hard alloy balls according to the present invention;
FIG. 4 is a schematic structural view of a collar of an apparatus for forming internal threads by using hard alloy balls according to the present invention;
fig. 5 is a partially enlarged view of fig. 2 at a.
In the figure: 1. forming a pipe by screw thread; 101. a hollow pipe; 102. a notch; 103. a first clamping ring; 104. a second clamping ring; 105. a ball bearing; 106. closing the plate; 107. a first through hole; 108. a second through hole; 109. a cover plate; 2. a ball extrusion assembly; 201. a first motor; 202. a transmission section; 2021. a first pulley; 2022. a second pulley; 2023. a transmission belt; 203. a screw rod; 204. shifting blocks; 205. a collar; 206. a connecting rod; 207. a fixing ring; 208. a card slot; 209. A vertical plate; 3. a parison tube movement assembly; 301. a second motor; 302. a conduit; 303. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.
Referring to fig. 1-5, the present invention provides a technical solution: a device for forming internal threads by using hard alloy balls comprises a thread forming pipe 1, a ball extrusion assembly 2 and a blank pipe moving assembly 3, wherein the blank pipe moving assembly 3 is arranged in the thread forming pipe 1, the thread forming pipe 1 comprises a hollow pipeline 101, two groups of notches 102 are symmetrically arranged on the pipe wall of the hollow pipeline 101, a first pressing ring 103 and a second pressing ring 104 are respectively and fixedly arranged at one end of the hollow pipeline 101, and balls 105 are arranged between the first pressing ring 103 and the second pressing ring 104, in the embodiment, the balls 105 are hard alloy copper balls, so that the wear resistance is improved; both ends of the hollow pipeline 101 are fixedly provided with sealing plates 106, wherein a set of sealing plates 106 are internally provided with first through holes 107, the sealing plates 106 are internally provided with second through holes 108, one side of the first pressing ring 103 is installed in the second through holes 108 in a penetrating manner, one end of the hollow pipeline 101 is fixedly provided with a cover plate 109, and the cover plate 109 is fixedly connected with one side of the first pressing ring 103.
The ball extruding assemblies 2 are arranged into two groups, the ball extruding assemblies 2 comprise a first motor 201, the output shaft end of the first motor 201 is fixedly provided with a transmission part 202, the transmission part 202 is fixedly connected with a transmission screw rod 203, the screw rod 203 is connected with a shifting block 204 far away from the transmission part 202 through threads, one side of the shifting block 204 is fixedly provided with a connecting rod 206, the connecting rod 206 is arranged in the notch 102 in a sliding way, and the connecting rod 206 is in clearance fit with the notch 102, one end of the connecting rod 206 is provided with a fixing ring 207, the inner ring of the fixing ring 207 is provided with a clamping groove 208, the lantern ring 205 is fixedly arranged in the clamping groove 208, vertical plates 209 are symmetrically arranged at two ends of the hollow pipeline 101, the screw rod 203 is rotatably arranged between two groups of vertical plates 209, a lantern ring 205 is arranged between two groups of shifting blocks 204, the inner ring of the collar 205 is arranged in a conical shape and the inner ring of the collar 205 is arranged tangentially to the balls 105.
The transmission portion 202 includes a first belt pulley 2021 and a second belt pulley 2022, the first belt pulley 2021 and the second belt pulley 2022 are in transmission connection through a transmission belt 2023, the first belt pulley 2021 is fixedly mounted at one end of the transmission screw 203, and the second belt pulley 2022 is fixedly mounted at an output shaft end of the first motor 201.
The blank pipe moving assembly 3 comprises a second motor 301, a transmission part 202 and a guide pipe 302, the transmission part 202 is fixedly connected to the output shaft end of the second motor 301, a push rod 303 is fixedly installed on one side of the transmission part 202, the push rod 303 is slidably installed in the guide pipe 302, the guide pipe 302 is fixedly installed in the hollow pipeline 101, one end of the guide pipe 302 is installed in the first through hole 107 in a penetrating mode, and the other end of the guide pipe 302 is fixedly installed in the first pressing ring 103.
The working principle is as follows: the air cylinder is replaced by a screw rod 203 for pushing, when the screw thread forming machine is used, the first motor 201 is started, the transmission part 202 drives the screw rod 203 to rotate, and the connecting rod 206 is slidably arranged in the notch 102, so that the screw rod 203 can be used for controlling the displacement generated by the pressing of the ball 105, and the thread forming depth can be controlled;
a group of transmission parts 202 are added to the connection structure of the second motor 301 and the blank pipe, the second motor 301 is utilized to drive the first belt wheel 2021 and the second belt wheel 2022 to be transmitted to the push rod 303 to move, the transmission load of the motor is reduced, and the service life of the motor is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an utilize carbide ball to carry out internal thread forming device, includes that screw thread forming tube (1), ball extrusion subassembly (2) and base pipe move subassembly (3), its characterized in that: the parison tube moving assembly (3) is arranged in the thread forming tube (1), the thread forming tube (1) comprises a hollow pipeline (101), two groups of notches (102) are symmetrically arranged on the wall of the hollow pipeline (101), one end of the hollow pipeline (101) is fixedly provided with a first pressing ring (103) and a second pressing ring (104) respectively, and a ball (105) is arranged between the first pressing ring (103) and the second pressing ring (104);
the ball extrusion assemblies (2) are arranged into two groups, each ball extrusion assembly (2) comprises a first motor (201), a transmission part (202) is fixedly mounted at the output shaft end of each first motor (201), the transmission part (202) is fixedly connected with a transmission screw rod (203), the screw rod (203) far away from the transmission part (202) is in threaded connection with a shifting block (204), a lantern ring (205) is arranged between the two groups of shifting blocks (204), the inner ring of the lantern ring (205) is arranged into a conical shape, and the inner ring of the lantern ring (205) and the balls (105) are arranged in a tangent mode;
the blank pipe moving assembly (3) comprises a second motor (301), a transmission part (202) and a guide pipe (302), the transmission part (202) is fixedly connected to the output shaft end of the second motor (301), a push rod (303) is fixedly installed on one side of the transmission part (202), the push rod (303) is installed in the guide pipe (302) in a sliding mode, and the guide pipe (302) is fixedly installed in the hollow pipeline (101).
2. The apparatus for forming an internal thread using a cemented carbide ball according to claim 1, wherein: both ends of the hollow pipeline (101) are fixedly provided with sealing plates (106), wherein a first through hole (107) is formed in one group of the sealing plates (106).
3. The apparatus for forming an internal thread using a cemented carbide ball according to claim 2, wherein: a second through hole (108) is formed in the sealing plate (106), and one side of the first pressing ring (103) penetrates through the second through hole (108).
4. The apparatus for forming an internal thread using a cemented carbide ball according to claim 1, wherein: one end of the guide pipe (302) is arranged in the first through hole (107) in a penetrating mode, and the other end of the guide pipe (302) is fixedly arranged in the first pressing ring (103).
5. The apparatus for forming an internal thread using a cemented carbide ball according to claim 1, wherein: a cover plate (109) is fixedly mounted at one end of the hollow pipeline (101), and the cover plate (109) is fixedly connected with one side of the first pressing ring (103).
6. The apparatus for forming an internal thread using a cemented carbide ball according to claim 1, wherein: the transmission part (202) comprises a first belt wheel (2021) and a second belt wheel (2022), the first belt wheel (2021) and the second belt wheel (2022) are in transmission connection through a transmission belt (2023), the first belt wheel (2021) is fixedly installed at one end of a transmission screw rod (203), and the second belt wheel (2022) is fixedly installed at the output shaft end of a first motor (201).
7. The apparatus for forming an internal thread using a cemented carbide ball according to claim 1, wherein: a connecting rod (206) is fixedly mounted on one side of the shifting block (204), a fixing ring (207) is arranged at one end of the connecting rod (206), a clamping groove (208) is formed in the inner ring of the fixing ring (207), and the sleeve ring (205) is fixedly mounted in the clamping groove (208).
8. The apparatus for forming an internal thread using a cemented carbide ball according to claim 7, wherein: vertical plates (209) are symmetrically arranged at two ends of the hollow pipeline, and the screw rod (203) is rotatably arranged between the two groups of vertical plates (209).
9. The apparatus for forming an internal thread using a cemented carbide ball according to claim 7, wherein: the connecting rod (206) is slidably mounted in the notch (102), and the connecting rod (206) is in clearance fit with the notch (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582355.7U CN212494606U (en) | 2020-04-19 | 2020-04-19 | Internal thread forming device by using hard alloy ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582355.7U CN212494606U (en) | 2020-04-19 | 2020-04-19 | Internal thread forming device by using hard alloy ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212494606U true CN212494606U (en) | 2021-02-09 |
Family
ID=74430979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020582355.7U Active CN212494606U (en) | 2020-04-19 | 2020-04-19 | Internal thread forming device by using hard alloy ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212494606U (en) |
-
2020
- 2020-04-19 CN CN202020582355.7U patent/CN212494606U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangzhou dinghang Information Technology Service Co.,Ltd. Address before: 335200 Wuhu Development Zone, Yujiang County, Yingtan City, Jiangxi Province Patentee before: Jiangxi nale Technology Co.,Ltd. Patentee before: JIANGXI NAILE COPPER Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231213 Address after: 335000 Wuhu Development Zone, Yujiang County, Yingtan City, Jiangxi Province Patentee after: JIANGXI NAILE COPPER Co.,Ltd. Patentee after: Jiangxi nale Technology Co.,Ltd. Address before: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangzhou dinghang Information Technology Service Co.,Ltd. |
|
| TR01 | Transfer of patent right |