CN113000746B - Thread forming mechanism of thread rolling machine for machining metal shaft body - Google Patents
Thread forming mechanism of thread rolling machine for machining metal shaft body Download PDFInfo
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- CN113000746B CN113000746B CN202110203504.3A CN202110203504A CN113000746B CN 113000746 B CN113000746 B CN 113000746B CN 202110203504 A CN202110203504 A CN 202110203504A CN 113000746 B CN113000746 B CN 113000746B
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- pipe
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- 238000005096 rolling process Methods 0.000 title claims abstract description 117
- 239000002184 metal Substances 0.000 title claims abstract description 94
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 94
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000003754 machining Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 abstract description 10
- 238000003801 milling Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- 229910002065 alloy metal Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 229910052742 iron Inorganic materials 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention relates to the field of metal shaft body processing equipment, and discloses a thread forming mechanism of a thread rolling machine for processing a metal shaft body, which comprises a first thread rolling wheel, a second thread rolling wheel, a first support plate, a second support plate, a first rotating shaft, a second rotating shaft and the metal shaft body to be subjected to thread rolling processing, wherein the first thread rolling wheel and the second thread rolling wheel are fixedly sleeved on the first rotating shaft and the second rotating shaft respectively, the first support plate is sleeved at both ends of the first rotating shaft in a bearing mode, and the second support plate is sleeved at both ends of the second rotating shaft in a bearing mode. Through the surface of rubber sleeve laminating to the metal axis body, behind metal axis body milling flutes, pour into the cooling water into by spacing pipe, the cooling water is discharged to the metal axis body by tube hole, water conservancy diversion hole, hole for spraying water, and cooperation rubber sleeve pastes the spacing of alloy metal axis body for the water pressure of spouting into metal axis body surface thread groove is bigger than directly spraying the cooling water in current thread rolling machine, thereby when being convenient for the refrigerated, has improved the screw thread processingquality of metal axis body.
Description
Technical Field
The invention relates to the field of metal shaft body processing equipment, in particular to a thread forming mechanism of a thread rolling machine for processing a metal shaft body.
Background
The thread rolling machine is a device for processing and forming threaded heads of metal shaft bodies such as reinforcing steel bars, bolts and the like, is widely used in industries such as hardware electric power, rail transit, automobile and motorcycle fittings, building industries and the like, two rollers of the thread rolling machine are driven to move in opposite directions by a hydraulic cylinder, and a metal shaft body part to be processed passes through the middle of the two thread rolling wheels, so that a screw rod is rolled out.
However, because the thread rolling machine is in the course of the work, treat the metal axis body of processing and drive down at the rotatory frictional force of two gyro wheels, the problem of beating appears easily, influence the thread forming quality of metal axis body, and current thread rolling machine is at the during operation, between the top of two gyro wheels and metal axis body continuously add the cooling water, because the contact length of gyro wheel and metal axis body is longer, lead to in follow-up thread groove feeds the degree of depth processing, some card iron fillings in the thread groove are hardly washed away, iron prop that the iron fillings in the thread groove can extrude needs the thread rolling in the roll extrusion process that follows leads to burr and mar, can cause the extrusion distortion to the screw thread shape even when iron fillings pile up seriously, influence the problem of metal axis body thread forming quality.
Disclosure of Invention
The invention provides a thread forming mechanism of a thread rolling machine for machining a metal shaft body, which has the advantage of good quality of thread machining and forming and solves the technical problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a thread forming mechanism of a thread rolling machine for processing a metal shaft body comprises a first thread rolling wheel, a second thread rolling wheel, a first support plate, a second support plate, a first rotating shaft, a second rotating shaft and a metal shaft body to be subjected to thread rolling processing, wherein the first thread rolling wheel and the second thread rolling wheel are respectively fixedly sleeved on the first rotating shaft and the second rotating shaft, the first support plate is sleeved at both ends of the first rotating shaft in a bearing manner, the second support plate is sleeved at both ends of the second rotating shaft in a bearing manner, the first thread rolling wheel and the second thread rolling wheel are driven by a hydraulic unit to move in opposite directions or reverse directions, the first rotating shaft and the second rotating shaft are driven by a motor to synchronously rotate so as to roll the metal shaft body between the first thread rolling wheel and the second thread rolling wheel, rubber sleeves are arranged between the first thread rolling wheel and the second thread rolling wheel and are positioned above and below the metal shaft body, and the outer surface of the rubber sleeves is movably connected with the outer surface of the metal shaft body, the minimum distance between the outer sides of the two rubber sleeves is always the same as the minimum distance between the two sides of the first thread rolling wheel and the second thread rolling wheel, the middle part of the rubber sleeve is fixedly sleeved with a positioning pressure pipe, the middle part of the positioning pressure pipe is sleeved with a limiting pipe, one end of the limiting pipe is connected with the rubber sleeve in a flange mode, one end of the rubber sleeve is connected with a water guide pipe in a flange mode, the bottom of the limiting pipe is provided with a plurality of pipe holes which are arranged at equal intervals, a sealing ring pipe is arranged between the outer wall of the limiting pipe and the inner wall of the positioning pressure pipe, the two sides of the sealing ring pipe are provided with sealing plugs positioned between the outer wall of the limiting pipe and the inner wall of the positioning pressure pipe, the bottom of the sealing ring pipe is provided with a notch, the sealing ring pipe is movably sleeved with the positioning pressure pipe, the outer sides of the positioning pressure pipe and the rubber sleeve are respectively provided with a flow guide hole and a water spray hole, and one end of the limiting pipe is connected with a rotary joint in a flange mode, and one end of the rotary joint is communicated with a water delivery pipe.
Optionally, the top and the bottom of the two ends of the first rotating shaft and the second rotating shaft are respectively and fixedly connected with a first fixed plate and a second fixed plate, a positioning rotating shaft is respectively and movably sleeved between the two first fixed plates at the top of the first rotating shaft and one end of the two first fixed plates at the bottom of the first rotating shaft, a positioning rotating shaft is respectively and movably sleeved between the two second fixed plates at the top of the second rotating shaft and one end of the two second fixed plates at the bottom of the second rotating shaft, a first connecting rod is respectively and movably sleeved at the two ends of the positioning rotating shaft at the top of the first rotating shaft and a second connecting rod is respectively and movably sleeved at the two ends of the positioning rotating shaft at the top of the second rotating shaft, the two first connecting rods at the top of the first rotating shaft and the two second connecting rods at the bottom of the second rotating shaft are movably sleeved with one end of the limiting pipe above the metal shaft body, the two first connecting rods at the bottom of the first rotating shaft and the two second connecting rods at the bottom of the second rotating shaft are movably sleeved with one end of the limiting pipe above the metal shaft body, and a limiting cross rod is movably sleeved between the two positioning rotating shafts at the top and the bottom of the first rotating shaft and the second rotating shaft respectively, and a sliding groove movably sleeved with the cleaning roller is formed in the limiting cross rod.
Optionally, the positioning rotating shaft is movably sleeved with a cleaning roller located between the two first fixing plates, the two sides of the cleaning roller extend out of the two sides of the first thread rolling wheel, and the surface of the cleaning roller is movably connected with the surface of the first thread rolling wheel.
Optionally, a certain distance is reserved between the outer side of the limiting pipe and the inner side of the rubber sleeve, and two sides of the rubber sleeve are respectively located outside two sides of the first thread rolling wheel.
The invention provides a thread forming mechanism of a thread rolling machine for machining a metal shaft body, which has the following beneficial effects:
1. this thread rolling machine thread forming mechanism is used in processing of metal axis body, laminate the surface of metal axis body through rubber sleeve, behind the metal axis body milling flutes, pour into the cooling water into by spacing pipe, the cooling water is by the tube hole, the water conservancy diversion hole, the hole for water spraying discharges to the metal axis body, cooperation rubber sleeve pastes the spacing of metal axis body, make the water pressure of spouting into metal axis body surface thread groove compare in current thread rolling machine directly spray the cooling water bigger, thereby be convenient for in the refrigerated, wash the iron fillings in the thread groove on the metal axis body, follow-up thread groove has been avoided feeding in the degree of depth processing, iron fillings can extrude the iron post that needs the thread rolling at the roll extrusion in-process that follows and cause burr and mar, can cause the problem of extrusion distortion to the screw thread shape even when iron fillings pile up seriously, the thread machining quality of metal axis body has been improved.
2. This thread rolling machine thread forming mechanism is used in processing of metal axis body, through first thread rolling wheel, two spacing pipes in the middle of the both sides about the second thread rolling wheel, the rubber sleeve, the structural design of location pressure pipe, when carrying out milling flutes to the metal axis body with man-hour, the rubber sleeve, the location pressure pipe is spacing from top to bottom to it, the effectual first thread rolling wheel of having avoided, the second thread rolling wheel is when carrying out rotatory milling flutes to the metal axis body, receive first thread rolling wheel, the frictional force when second thread rolling wheel extrusion and rotatory, lead to the metal axis body can take place certain rocking, make thread machining skew position, thereby reduce the problem of the quality of work piece.
3. This metal axis body processing is with thread rolling machine thread forming mechanism, the minimum interval through the outside between two rubber sleeves is the same with the minimum interval of first thread rolling wheel, second thread rolling wheel both sides all the time to carrying out thread groove to the metal axis body of different diameters with man-hour, all can make two location pressure pipes to overstock towards the rubber sleeve of metal axis body one side, and with the stable laminating of metal axis body, improved the work efficiency of the not unidimensional metal axis body of contemporaneous processing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view of the limiting tube of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the structure of fig. 1 of the present invention in a cut-away view in the middle.
In the figure: 1. a first thread rolling wheel; 2. a second thread rolling wheel; 3. a first carrier plate; 4. a second carrier plate; 5. a first rotating shaft; 501. a first stationary plate; 6. a second rotating shaft; 601. a second stationary plate; 7. positioning the rotating shaft; 8. a first link; 9. a second link; 10. a limiting cross bar; 11. a limiting pipe; 111. a tube hole; 112. a rotary joint; 12. a rubber sleeve; 121. a water spray hole; 13. a metal shaft body; 14. positioning a pressure pipe; 141. a flow guide hole; 15. sealing the ring pipe; 16. a sealing plug; 17. and cleaning the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-3, a thread forming mechanism of a thread rolling machine for processing a metal shaft body comprises a first thread rolling wheel 1, a second thread rolling wheel 2, a first support plate 3, a second support plate 4, a first rotating shaft 5, a second rotating shaft 6 and a metal shaft body 13 to be thread-rolled, wherein the first thread rolling wheel 1 and the second thread rolling wheel 2 are respectively fixedly sleeved on the first rotating shaft 5 and the second rotating shaft 6, the first support plate 3 is respectively sleeved on both ends of the first rotating shaft 5, the second support plate 4 is respectively sleeved on both ends of the second rotating shaft 6, the first thread rolling wheel 1 and the second thread rolling wheel 2 are driven by a hydraulic unit to move in opposite directions or in reverse directions, the first rotating shaft 5 and the second rotating shaft 6 are driven by a motor to synchronously rotate to perform thread rolling processing on the metal shaft body 13 between the first thread rolling wheel 1 and the second thread rolling wheel 2, a rubber sleeve 12 is arranged between the first thread rolling wheel 1 and the second thread rolling wheel 2 and above and below the metal shaft body 13, the outer surface of the rubber sleeve 12 is movably connected with the outer surface of the metal shaft body 13, the minimum distance between the outer sides of the two rubber sleeves 12 is always the same as the minimum distance between the two sides of the first thread rolling wheel 1 and the second thread rolling wheel 2, the middle part of the rubber sleeve 12 is fixedly sleeved with a positioning pressure pipe 14, the middle bearing sleeve of the positioning pressure pipe 14 is sleeved with a limiting pipe 11, one end of the limiting pipe 11 is connected with the rubber sleeve 12 in a flange mode, one end of the rubber sleeve 12 is connected with a water guide pipe in a flange mode, a plurality of pipe holes 111 which are arranged at equal intervals are formed in the bottom of the limiting pipe 11, a sealing ring pipe 15 is arranged between the outer wall of the limiting pipe 11 and the inner wall of the positioning pressure pipe 14, two sides of the sealing ring 15 are provided with a sealing plug 16 which is positioned between the outer wall of the limiting pipe 11 and the inner wall of the positioning pressure pipe 14, the bottom of the sealing ring 15 is provided with a notch, the sealing ring 15 is movably sleeved with the positioning pressure pipe 14, the positioning pressure pipe 14 and the outer sides of the rubber sleeve 12 are respectively provided with a flow guide hole 141 and a water spray hole 121, the rotary joint 112 is connected to one end of the limiting pipe 11 through a flange, and one end of the rotary joint 112 is communicated with a water delivery pipe, when the device is used, the device is limited up and down through the rubber sleeves 12 on the upper side and the lower side of the metal shaft body 13 and the positioning pressure pipe 14, so that the problem that the metal shaft body 13 can swing to a certain extent due to the extrusion action of the first thread rolling wheel 1 and the second thread rolling wheel 2 and the friction force generated during rotation when the first thread rolling wheel 1 and the second thread rolling wheel 2 rotate when the first thread rolling wheel 2 and the second thread rolling wheel 2 rotate to rotationally mill the metal shaft body 13, the quality of a workpiece is reduced is effectively solved, the minimum distance between the outer sides of the two rubber sleeves 12 is always the same as the minimum distance between the two sides of the first thread rolling wheel 1 and the second thread rolling wheel 2, and when the metal shaft bodies 13 with different diameters are processed in a thread groove, the two positioning pressure pipes 14 can accumulate and press the rubber sleeves 12 towards one side of the metal shaft body 13, and is stably jointed with the metal shaft body 13, the working efficiency of synchronously processing the metal shaft bodies 13 with different sizes is improved, the rubber sleeve 12 is jointed to the surface of the metal shaft body 13, after the metal shaft body 13 is milled with a groove, the limiting pipe 11 is used for injecting cooling water, the cooling water is discharged from the pipe hole 111, the flow guide hole 141 and the water spray hole 121 aiming at the metal shaft body 13, and the water pressure sprayed into the thread groove on the surface of the metal shaft body 13 is larger than that of the existing thread rolling machine for directly spraying the cooling water by matching with the limitation of the rubber sleeve 12 jointed with the metal shaft body 13, thereby being convenient for cooling, flushing the scrap iron in the thread groove on the metal shaft body 13, avoiding the problems that the scrap iron extrudes an iron column needing thread rolling in the following thread groove feeding depth processing to cause burrs and scratches, and even the thread shape is extruded and twisted when the scrap iron is seriously accumulated, the thread processing quality of the metal shaft body 13 is further improved.
Wherein, the top and the bottom at the two ends of the first rotating shaft 5 and the second rotating shaft 6 are respectively fixedly connected with a first fixed plate 501 and a second fixed plate 601, a positioning rotating shaft 7 is respectively movably sleeved between the two first fixed plates 501 at the top of the first rotating shaft 5 and one end of the two first fixed plates 501 at the bottom, a positioning rotating shaft 7 is respectively movably sleeved between the two second fixed plates 601 at the top of the second rotating shaft 6 and one end of the two second fixed plates 601 at the bottom, a first connecting rod 8 is respectively movably sleeved at the two ends of the first rotating shaft 5 and the two ends of the bottom positioning rotating shaft 7, a second connecting rod 9 is respectively movably sleeved at the two ends of the second rotating shaft 6 and the two ends of the bottom positioning rotating shaft 7, two first connecting rods 8 at the top of the first rotating shaft 5 and two second connecting rods 9 at the top of the second rotating shaft 6 are movably sleeved with one end of the limiting pipe 11 above the metal shaft body 13, two first connecting rods 8 at the bottom of the first rotating shaft 5 and two second connecting rods 9 at the bottom of the second rotating shaft 6 are movably sleeved with one end of the limiting pipe 11 above the metal shaft body 13 The upper and lower ends of the first rotating shaft 5 and the upper and lower ends of the second rotating shaft 6 are moved in the same direction to mill the metal shaft body 13 by the first thread rolling wheel 1 and the second thread rolling wheel 2, so that the upper and lower ends of the first rotating shaft 5 and the upper and lower ends of the second rotating shaft 6 move in the same direction, the upper and lower ends of the first connecting rod 8 and the second connecting rod 9 drive the upper limit pipe 11 to move downwards, the lower ends of the first connecting rod 8 and the second connecting rod 9 drive the lower limit pipe 11 to move upwards, and the moving distance values of the two limit pipes 11 are always the same, thereby ensuring that the positioning pressure pipe 14 sleeved on the limit pipe 11 can tightly compact the rubber sleeve 12 and make the rubber sleeve adhere to the metal shaft body 13, carry on spacingly to metal axis body 13, when avoiding its milling flutes in-process to beat, the surface of metal axis body 13 is laminated to 12 parts of good utilization rubber sleeve, sprays water from laminating department again, improves water pressure to improve the water current and to the 13 surperficial thread grooves's of metal axis body impact strength, improved and washed and the cooling effect.
Wherein, the movable sleeve is equipped with the clearance gyro wheel 17 that is located between two first stereotypes 501 on the location rotation axis 7, and the both sides of clearance gyro wheel 17 all extend the outside at first thread rolling wheel 1 both sides, the surface of clearance gyro wheel 17 and the surface swing joint of first thread rolling wheel 1, utilize clearance gyro wheel 17 to clear up first thread rolling wheel 1, the surface of second thread rolling wheel 2, thereby the iron fillings of first thread rolling wheel 1, the 2 thread grooves of second thread rolling wheel are brushed away in the clearance, the quality of follow-up processing is further ensured.
Wherein, leave the determining deviation between the outside of spacing pipe 11 and the inboard of rubber sleeve 12 in advance, and the both sides of rubber sleeve 12 are located the outside of first thread rolling wheel 1 both sides respectively, ensure that the surface of rubber sleeve 12 can act on the surface of first thread rolling wheel 1 and second thread rolling wheel 2 completely to be convenient for rubber sleeve 12 covers the position with the contact of metal axis body 13 completely, so that ensure that this goes out spun water pressure and be enough big, can wash away the iron fillings in the thread groove.
When the metal rolling wheel device works, firstly, a metal shaft body 13 which is processed instead is placed between a first rolling wheel 1 and a second rolling wheel 2 from one side, then the first rolling wheel 1 and the second rolling wheel 2 are driven by a hydraulic driving device of a rolling machine to move towards the metal shaft body 13 simultaneously, and the first rolling wheel 1 and the second rolling wheel 2 are driven to rotate synchronously by clicking, the first rolling wheel 1 and the second rolling wheel 2 move towards the metal shaft body 13, meanwhile, the limiting pipes 11 on the upper side and the lower side drive the whole rubber sleeve 12 to move towards the metal shaft body 13 in the longitudinal direction, so that the rubber sleeve 12 and the positioning pressure pipe 14 on the limiting pipe 11 limit the metal shaft body 13, in the process of milling grooves on the metal shaft body 13 by the rotation of the first rolling wheel 1 and the second rolling wheel 2, the rubber sleeve 12 and the positioning pressure pipe 14 rotate along with the metal shaft body 13, and the sliding friction force between the metal shaft body 13 and the surface of the rubber sleeve 12 is avoided to be too large, the service life of the rubber sleeve 12 is short, and after water is supplied into the limiting pipe 11 through the water conveying pipe, water flows to the surface of the metal shaft body 13 from the pipe hole 111, the notch of the sealing ring pipe 15, the flow guide hole 142 and the rotary joint 112 under the sealing of the sealing ring pipe 15 and the sealing plug 16, so that the surface of the metal shaft body 13 is cooled and washed by iron filings.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (3)
1. A thread forming mechanism of a thread rolling machine for processing a metal shaft body comprises a first thread rolling wheel (1), a second thread rolling wheel (2), a first support plate (3), a second support plate (4), a first rotating shaft (5), a second rotating shaft (6) and the metal shaft body (13) to be subjected to thread rolling processing, wherein the first thread rolling wheel (1) and the second thread rolling wheel (2) are fixedly sleeved on the first rotating shaft (5) and the second rotating shaft (6) respectively, the first support plate (3) is sleeved on both ends of the first rotating shaft (5) in a bearing manner, the second support plate (4) is sleeved on both ends of the second rotating shaft (6) in a bearing manner, the first thread rolling wheel (1) and the second thread rolling wheel (2) are driven by a hydraulic unit to move in opposite directions or reverse directions, and the first rotating shaft (5) and the second rotating shaft (6) are driven by a motor to synchronously rotate to perform thread rolling processing on the metal shaft body (13) between the first thread rolling wheel (1) and the second thread rolling wheel (2), the method is characterized in that: rubber sleeves (12) positioned above and below the metal shaft body (13) are arranged between the first thread rolling wheel (1) and the second thread rolling wheel (2), the outer surface of each rubber sleeve (12) is movably connected with the outer surface of the metal shaft body (13), the minimum distance between the outer sides of the two rubber sleeves (12) is always the same as the minimum distance between the two sides of the first thread rolling wheel (1) and the second thread rolling wheel (2), a positioning pressure pipe (14) is fixedly sleeved in the middle of each rubber sleeve (12), a limiting pipe (11) is sleeved in a bearing manner in the middle of the positioning pressure pipe (14), one end of the limiting pipe (11) is connected with the rubber sleeves (12) in a flange manner, one end of each rubber sleeve (12) is connected with a water guide pipe in a flange manner, a plurality of pipe holes (111) arranged at equal intervals are formed in the bottom of the limiting pipe (11), and a sealing ring pipe (15) is arranged between the outer wall of the limiting pipe (11) and the inner wall of the positioning pressure pipe (14), and both sides of the sealing ring pipe (15) are provided with sealing plugs (16) positioned between the outer wall of the limiting pipe (11) and the inner wall of the positioning pressure pipe (14), the bottom of the sealing ring pipe (15) is provided with a notch, the sealing ring pipe (15) is movably sleeved with the positioning pressure pipe (14), the outer sides of the positioning pressure pipe (14) and the rubber sleeve (12) are respectively provided with a diversion hole (141) and a water spray hole (121), one end of the limiting pipe (11) is connected with a rotary joint (112) in a flange manner, one end of the rotary joint (112) is communicated with a water pipe, the top and the bottom of both ends of the first rotating shaft (5) and the second rotating shaft (6) are respectively and fixedly connected with a first fixed plate (501) and a second fixed plate (601), and a positioning rotating shaft (7) is respectively and movably sleeved between two first fixed plates (501) at the top of the first rotating shaft (5) and one end of two first fixed plates (501) at the bottom, and two second fixed plates (601) at the top of the second rotating shaft (6) and two second fixed plates (601) at the bottom are movably sleeved with a positioning rotating shaft (7) respectively between one ends, two ends of the first rotating shaft (5) are movably sleeved with a first connecting rod (8) respectively, two ends of the second rotating shaft (6) are movably sleeved with a second connecting rod (9) respectively, two first connecting rods (8) at the top of the first rotating shaft (5) and two second connecting rods (9) at the top of the second rotating shaft (6) are movably sleeved with one end of a limiting pipe (11) above the metal shaft body (13), two first connecting rods (8) at the bottom of the first rotating shaft (5) and two second connecting rods (9) at the bottom of the second rotating shaft (6) are movably sleeved with one end of a limiting pipe (11) above the metal shaft body (13), and the first rotating shaft (5) and the second rotating shaft (6) are movably sleeved with one end of the limiting pipe (11) above the metal shaft body (13) and two positioning rotating shafts (7) at the top and the bottom of the first rotating shaft (5) and the second rotating shaft (6) A limit cross rod (10) is movably sleeved between the two, and a sliding groove which is movably sleeved with the cleaning roller (17) is arranged on the limit cross rod (10).
2. The thread forming mechanism of the thread rolling machine for machining the metal shaft body according to claim 1, wherein: the positioning rotating shaft (7) is movably sleeved with a cleaning roller (17) positioned between the two first fixing plates (501), the two sides of the cleaning roller (17) extend out of the two sides of the first thread rolling wheel (1), and the surface of the cleaning roller (17) is movably connected with the surface of the first thread rolling wheel (1).
3. The thread forming mechanism of the thread rolling machine for machining the metal shaft body according to claim 1, wherein: a certain distance is reserved between the outer side of the limiting pipe (11) and the inner side of the rubber sleeve (12), and the two sides of the rubber sleeve (12) are respectively positioned outside the two sides of the first thread rolling wheel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110203504.3A CN113000746B (en) | 2021-02-24 | 2021-02-24 | Thread forming mechanism of thread rolling machine for machining metal shaft body |
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| CN202110203504.3A CN113000746B (en) | 2021-02-24 | 2021-02-24 | Thread forming mechanism of thread rolling machine for machining metal shaft body |
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| CN113000746A CN113000746A (en) | 2021-06-22 |
| CN113000746B true CN113000746B (en) | 2022-06-24 |
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| CN212042474U (en) * | 2019-11-21 | 2020-12-01 | 沈阳工具标准件制造有限公司 | Thread rolling machine for producing standard parts |
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