CN217701167U - Thread length adjusting device of thread rolling machine - Google Patents
Thread length adjusting device of thread rolling machine Download PDFInfo
- Publication number
- CN217701167U CN217701167U CN202220664993.2U CN202220664993U CN217701167U CN 217701167 U CN217701167 U CN 217701167U CN 202220664993 U CN202220664993 U CN 202220664993U CN 217701167 U CN217701167 U CN 217701167U
- Authority
- CN
- China
- Prior art keywords
- disc
- thread rolling
- groove
- block
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 claims description 2
- 230000004323 axial length Effects 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
Images
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The utility model relates to a thread length adjusting device of a thread rolling machine, which comprises a frame, a pipe fitting clamping mechanism, a sliding frame connected on a linear guide rail, a thread rolling wheel disc arranged on the sliding frame, a curve disc and a small front disc are coaxially arranged on the thread rolling wheel disc, an oblique block is arranged on the sliding frame, a thread through hole is arranged at the bottom of the oblique block, the sliding frame is provided with a groove, both ends of the bottom of the groove are respectively provided with a pit, a supporting block is arranged above each pit, a supporting block through hole is arranged on the supporting block, a pressure spring is arranged between each pit and the supporting block, a groove cover plate is arranged above the groove, a square hole is arranged on the groove cover plate, a thread guide rod is arranged in the groove, both ends of the thread guide rod respectively pass through the supporting block through hole and penetrate out of the sliding frame through the groove wall, the oblique block passes through the square hole to be embedded into the groove, and the thread guide rod is connected with the oblique block; the outer edge of the small front disc is provided with a pulley, and the wheel surface of the pulley tightly abuts against the upper end inclined plane of the inclined block. The utility model discloses can be to pipe fitting thread rolling processing and realize the accurate control to thread rolling axial length.
Description
Technical Field
The utility model relates to a thread length adjusting device of a thread rolling machine.
Background
The thread rolling machine is a cold roll forming device and is used for processing threads on a workpiece in a cold state.
In order to solve the problems that the machined pipe is easy to crack or deform along with the increase of the feeding force and the plump rate of screw threads is low, the patent No. CN201110333690.9 provides a gradual-retreating type thread rolling machine, which comprises a machine base, a thread rolling wheel disc and a main shaft; a horizontal left-right linear guide rail is fixed at the upper end of the machine base, and a sliding frame sliding along the trajectory of the linear guide rail is arranged on the linear guide rail; the thread rolling wheel disc is arranged on the sliding frame, and the central axis of the thread rolling wheel disc is parallel to the linear guide rail; the spindle is arranged at the upper end of the machine base and positioned on the left side of the sliding frame, the axis of the spindle is parallel to the linear guide rail, chucks for clamping pipe fittings are arranged at two ends of the spindle, and a motor for driving the spindle to rotate is arranged on the machine base; the sliding frame is provided with a movable inclined block, the right end of the inclined block is connected with the sliding frame through a linear spring parallel to the linear guide rail, the upper end surface of the inclined block is an inclined surface inclined downwards from right to left, the lower surface of the inclined block props against the rail surface of the linear guide rail, and the lower surface of the inclined block is a rough surface; the thread rolling wheel disc is coaxially provided with a rotating curve disc and a rotating small front disc, the thread rolling wheel disc, the curve disc and the small front disc are all annular disc bodies, and the outer edge of the small front disc is fixedly provided with a spherical handle; at least three axially-protruded centrifugal arc wheel mold frame limiting strips are axially symmetrically arranged on the disc surface of the curve disc; the small front disc is axially symmetrically provided with at least three wheel die frames which slide along the radial direction of the small front disc, wheel die frame guide grooves used for sliding guide of each wheel die frame are arranged, the outer edge of each wheel die frame guide groove is provided with a pulley, the wheel surface of each pulley is tightly abutted against the upper end surface of the inclined block, the number of the wheel die frames corresponds to the number of the wheel die frame limiting strips on the curve disc one by one, each wheel die frame is provided with an arc-shaped wheel die frame limiting groove which is embedded with the corresponding wheel die frame limiting strip and can slide along the corresponding wheel die frame limiting strip, and one end, facing the axis of the thread rolling wheel disc, of each wheel die frame is provided with a thread rolling wheel. The progressive-type thread rolling machine controls the thread rolling wheel to radially and progressively process the pipe fitting through the matching of the thread rolling wheel disc, the curve disc, the small front disc and the inclined block, can effectively avoid the processed pipe fitting from cracking or deforming, and can automatically control the radial feeding during processing the pipe fitting through the matching of the pulley and the inclined block, so that the full rate of processed thread teeth is higher and the consistency of products is higher.
However, in practical application, the axial length of the thread rolling of the pipe fitting is controlled according to the field requirement, and the structure is difficult to realize the precise control of the processing of the axial length of the thread rolling of the pipe fitting.
Disclosure of Invention
The utility model aims to solve the technical problem that a thread rolling machine thread length adjusting device is provided, this kind of thread rolling machine thread length adjusting device can realize the accurate control to the processing of pipe fitting thread rolling axial length.
The utility model provides a thread length adjusting device of a thread rolling machine, which comprises a frame, a pipe fitting clamping mechanism which is arranged on the frame and driven by a motor, a linear guide rail which is arranged on the frame, a sliding frame which is connected on the linear guide rail in a sliding way, and a thread rolling wheel disc which is arranged on the sliding frame, wherein a rotating curve disc and a rotating small front disc are coaxially arranged on the thread rolling wheel disc, and the thread rolling wheel disc, the curve disc and the small front disc are all annular disc bodies; four axially-protruding centrifugal arc wheel die frame limiting strips are arranged on the disc surface of the curve disc in an axisymmetric manner; the small front disc is provided with four wheel die frames which slide along the radial direction of the small front disc in an axial symmetry manner, and is also provided with a wheel die frame guide groove for the sliding guide of each wheel die frame, each wheel die frame is provided with an arc-shaped wheel die frame limiting groove which is embedded with a corresponding wheel die frame limiting strip and can slide along the corresponding wheel die frame limiting strip, and one end of each wheel die frame, which faces the axis of the thread rolling wheel disc, is provided with a thread rolling wheel; the outer edge of the thread rolling wheel disc is provided with a small front disc limiting part, the outer edge of the small front disc is provided with two small front disc limiting blocks, and the small front disc limiting part is positioned between the two small front disc limiting blocks; the key point is that a movable inclined block is arranged on the sliding frame, a square block is arranged at the bottom of the inclined block, a threaded through hole parallel to the linear guide rail is formed in the square block, a rectangular groove is formed in the sliding frame, pits are respectively formed in two ends of the bottom of the rectangular groove, a supporting block is arranged above each pit, a supporting block through hole is formed in each supporting block, a pressure spring is arranged in each pit, one end of each pressure spring abuts against the bottom of the corresponding pit, the other end of each pressure spring abuts against the supporting block, a groove cover plate is arranged on the sliding frame and located above the rectangular groove and covers the rectangular groove, a square hole is formed in each groove cover plate, a threaded guide rod is arranged in each rectangular groove, two ends of each threaded guide rod respectively penetrate through the supporting block through hole, at least one end of each threaded guide rod penetrates out of the sliding frame through the wall of the rectangular groove, the square block penetrates through the square hole and is embedded into the rectangular groove in a sliding mode, and the threaded guide rod penetrates through the threaded through hole and is in threaded connection with the square block; the outer edge of the small front disc is provided with a pulley, and the wheel surface of the pulley tightly abuts against the upper end inclined plane of the inclined block.
The square hole edge of the groove cover plate is provided with a vertical upward folding edge, the folding edge is provided with a round hole, the folding edge is attached to the side face of the oblique block, the oblique block is provided with a screw hole coaxial with the round hole, and the groove cover plate penetrates through the round hole through a screw and is in threaded connection with the screw hole.
The surface of the groove cover plate is provided with dimension marking lines, and the surface of the sliding frame is provided with scale marks corresponding to the dimension marking lines.
The utility model discloses a rotate the screw thread guide arm, and then drive square piece. Because the utility model discloses it is promptly from each thread rolling wheel face on the thread rolling rim plate to support the outer peripheral face of pipe fitting processing end when shelving the starting point on the inclined plane of sloping block, beginning to the pipe fitting thread rolling processing, when the sloping block falls to the pulley on the little front bezel, the thread rolling processing of pipe fitting processing end finishes promptly. The square block is embedded into the rectangular groove in a sliding mode, the groove walls on two sides of the rectangular groove limit the rotation of the square block, and at the moment, the square block can only slide along the axial direction of the linear guide rail under the action of the rotating threaded guide rod, so that the horizontal distance between the laying point of the pulley on the inclined surface of the inclined block and the tail end of the inclined block is adjusted, the adjustment and control of the axial length of the thread rolling of the pipe fitting are realized, and the thread rolling processing of the pipe fitting and the accurate control of the axial length of the thread rolling are completed.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the thread rolling wheel of the present invention;
FIG. 3 is a schematic structural view of the curve disk of the present invention;
FIG. 4 is a schematic structural view of the small front plate of the present invention;
fig. 5 is a schematic view of the connection relationship between the swash block and the carriage according to the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-5, the utility model comprises a frame 1, a pipe clamping mechanism 2 driven by a motor 3 and arranged on the frame 1, a linear guide rail 4 arranged on the frame 1, a sliding frame 5 connected to the linear guide rail 4 in a sliding manner, and a thread rolling wheel disc 6 arranged on the sliding frame 5, wherein a rotary curve disc 7 and a rotary small front disc 8 are coaxially arranged on the thread rolling wheel disc 6, and the thread rolling wheel disc 6, the curve disc 7 and the small front disc 8 are all annular disc bodies; four axially-protruding centrifugal arc wheel die frame limiting strips 7.1 are axially symmetrically arranged on the disc surface of the curve disc 7; the small front disc 8 is axisymmetrically provided with four wheel die frames 8.1 sliding along the radial direction thereof, and is provided with wheel die frame guide grooves 8.2 for sliding guide of each wheel die frame 8.1, each wheel die frame 8.1 is provided with an arc-shaped wheel die frame limiting groove 8.3 which is embedded with a corresponding wheel die frame limiting strip 7.1 and can slide along the corresponding wheel die frame limiting strip 7.1, and one end of each wheel die frame 8.1 facing the axle center of the thread rolling wheel disc 6 is provided with a thread rolling wheel 8.4; a small front disc limiting part 6.2 is arranged at the outer edge of the thread rolling wheel disc 6, two small front disc limiting blocks 8.5 are arranged at the outer edge of the small front disc 8, and the small front disc limiting part 6.2 is positioned between the two small front disc limiting blocks 8.5; the disc surface of the thread rolling wheel disc 6 is provided with an arc-shaped radial adjusting groove 6.3 with an arc center axis and the same axis with the thread rolling wheel disc, a radial adjusting rod 6.1 sliding along the groove is arranged in the radial adjusting groove 6.3, the radial adjusting rod 6.1 is fixedly connected with the curve disc 12, and a locking bolt and a nut handle 6.4 used for sliding positioning are arranged on the radial adjusting rod 6.1. The sliding frame 5 is provided with a movable inclined block 9, the bottom of the inclined block 9 is provided with a square block 12, the square block 12 is provided with a threaded through hole parallel to the linear guide rail, the sliding frame 5 is provided with a rectangular groove 13, two ends of the bottom of the rectangular groove 13 are respectively provided with a pit 14, a supporting block 16 is arranged above each pit 14, the supporting block 16 is provided with a supporting block through hole 17, each pit 14 is internally provided with a pressure spring 15, one end of the pressure spring abuts against the bottom of the pit 14, the other end of the pressure spring abuts against the supporting block 15, a groove cover plate 11 is arranged on the sliding frame 5, the groove cover plate 11 is positioned above the rectangular groove 13 and covers the rectangular groove 13, the groove cover plate 11 is provided with a square hole, a threaded guide rod 10 is arranged in the rectangular groove 13, two ends of the threaded guide rod 10 respectively penetrate through the supporting block through holes 17, at least one end of the rectangular guide rod penetrates out of the sliding frame 5 through the wall of the rectangular groove 13, the square block 12 penetrates through the square hole and is embedded in the rectangular groove 13 in a sliding mode, and the threaded guide rod 10 is in threaded connection with the block 12; the outer edge of the small front disc 8 is provided with a pulley 8.6, and the wheel surface of the pulley 8.6 tightly abuts against the upper end inclined plane of the inclined block 9.
The square hole edge of the groove cover plate 11 is provided with a vertical upward folding edge 18, the folding edge 18 is provided with a round hole, the folding edge 18 is attached to the side surface of the inclined block 9, the inclined block 9 is provided with a screw hole coaxial with the round hole, and the groove cover plate 11 penetrates through the round hole through a screw and is in threaded connection with the screw hole.
The surface of the groove cover plate 11 is provided with dimension marking lines, and the surface of the sliding frame 5 is provided with scale marks corresponding to the dimension marking lines. When the wheel surfaces of the thread rolling wheels on the thread rolling wheel disc abut against the outer peripheral surface of the pipe fitting machining end, the pipe fitting drives the thread rolling wheels to rotate together, the whole thread rolling wheel disc is accommodated into the pipe fitting machining end along the axial direction of the pipe fitting along with the helix angle of the thread rolling wheels, the pulley on the small front disc is fed along the axial direction of the thread rolling wheel disc from right to left and obliquely moves downwards along the upper end surface of the inclined block from right to left, so that the small front disc rotates relative to the curve disc, the first small front disc limiting block on the outer edge of the small front disc also moves close to the small front disc limiting block on the outer edge of the thread rolling wheel disc, the second small front disc limiting block moves far away from the small front disc limiting block on the outer edge of the thread rolling wheel disc, each wheel die frame on the small front disc also slides along each centrifugal arc-shaped wheel die frame limiting strip on the curve disc, and each wheel die frame moves outwards along the radial direction of the small front disc while sliding along each centrifugal arc-shaped wheel die frame limiting strip, so that each thread rolling wheel gradually moves outwards along the radial direction, and the thread rolling wheel machining end of the pipe fitting is machined. When the pulley on the small front disc moves leftwards to drop the inclined block, the small front disc also rotates immediately until the first small front disc limiting block abuts against the small front disc limiting part on the outer edge of the thread rolling wheel disc, and drives each wheel die carrier to slide along each centrifugal arc-shaped wheel die carrier limiting strip on the curve disc, each wheel die carrier slides along each centrifugal arc-shaped wheel die carrier limiting strip and moves outwards along the radial direction of the small front disc, so that each thread rolling wheel retreats outwards in the radial direction to be separated from the pipe fitting, and the thread rolling processing of the pipe fitting processing end is finished. Therefore, the horizontal distance between the placing point of the pulley on the inclined plane of the inclined block and the tail end of the inclined block (namely the axial length of the thread rolling of the pipe fitting) can be determined according to the corresponding relation between the size marking line of the plate surface of the groove cover plate and the surface scale mark of the sliding frame, and the axial length of the thread rolling of the pipe fitting is further determined.
Claims (3)
1. A thread length adjusting device of a thread rolling machine comprises a machine base, a pipe fitting clamping mechanism, a linear guide rail, a sliding frame and a thread rolling wheel disc, wherein the pipe fitting clamping mechanism is arranged on the machine base and driven by a motor, the linear guide rail is arranged on the machine base, the sliding frame is connected to the linear guide rail in a sliding mode, the thread rolling wheel disc is arranged on the sliding frame, a rotating curve disc and a rotating small front disc are coaxially arranged on the thread rolling wheel disc, and the thread rolling wheel disc, the curve disc and the small front disc are all annular disc bodies; four axially-protruding centrifugal arc wheel die frame limiting strips are arranged on the disc surface of the curve disc in an axisymmetric manner; the small front disc is axially symmetrically provided with four wheel die frames which slide along the radial direction of the small front disc, and is provided with a wheel die frame guide groove for guiding each wheel die frame in a sliding manner; each wheel die carrier is provided with an arc-shaped wheel die carrier limiting groove which is embedded with the corresponding wheel die carrier limiting strip and can slide along the corresponding wheel die carrier limiting strip, and one end of each wheel die carrier, which faces the axis of the thread rolling wheel disc, is provided with a thread rolling wheel; the outer edge of the thread rolling wheel disc is provided with a small front disc limiting part, the outer edge of the small front disc is provided with two small front disc limiting blocks, and the small front disc limiting part is positioned between the two small front disc limiting blocks; the method is characterized in that: the sliding frame is provided with a movable inclined block, the bottom of the inclined block is provided with a square block, the square block is provided with a threaded through hole parallel to the linear guide rail, the sliding frame is provided with a rectangular groove, two ends of the bottom of the rectangular groove are respectively provided with a pit, a supporting block is arranged above each pit, the supporting block is provided with a supporting block through hole, a pressure spring with one end abutting against the pit bottom of the pit and the other end abutting against the supporting block is arranged in each pit, the sliding frame is provided with a groove cover plate, the groove cover plate is positioned above the rectangular groove and covers the rectangular groove, the groove cover plate is provided with a square hole, a threaded guide rod is arranged in the rectangular groove, two ends of the threaded guide rod respectively penetrate through the supporting block through hole, at least one end of the threaded guide rod penetrates out of the sliding frame through the wall of the rectangular groove, the square block penetrates through the square hole and is embedded into the rectangular groove in a sliding mode, and the threaded guide rod penetrates through hole to be in threaded connection with the square block; the outer edge of the small front disc is provided with a pulley, and the wheel surface of the pulley tightly abuts against the upper end inclined plane of the inclined block.
2. A thread length adjusting device for a thread rolling machine according to claim 1, wherein: the square hole edge of the groove cover plate is provided with a vertical upward folding edge, the folding edge is provided with a round hole, the folding edge is attached to the side face of the oblique block, the oblique block is provided with a screw hole coaxial with the round hole, and the groove cover plate penetrates through the round hole through a screw and is in threaded connection with the screw hole.
3. A thread rolling machine thread length adjusting apparatus according to claim 1 or 2, wherein: the surface of the groove cover plate is provided with dimension marking lines, and the surface of the sliding frame is provided with scale marks corresponding to the dimension marking lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664993.2U CN217701167U (en) | 2022-03-25 | 2022-03-25 | Thread length adjusting device of thread rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664993.2U CN217701167U (en) | 2022-03-25 | 2022-03-25 | Thread length adjusting device of thread rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217701167U true CN217701167U (en) | 2022-11-01 |
Family
ID=83787935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220664993.2U Active CN217701167U (en) | 2022-03-25 | 2022-03-25 | Thread length adjusting device of thread rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217701167U (en) |
-
2022
- 2022-03-25 CN CN202220664993.2U patent/CN217701167U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10913103B2 (en) | Method, module, and apparatus for roll-processing external pipe thread, and external pipe thread production line | |
| CN106001619B (en) | Device for machining spherical surface | |
| JP3193764U (en) | Screw forming machine | |
| CN102423789A (en) | Fall-away type screw rolling machine | |
| CN107571054A (en) | A kind of Hub fixture seeks heart method automatically | |
| CN216029354U (en) | Hydraulic center support for whirling mill | |
| CN110064901B (en) | Bearing machining process | |
| CN116060876A (en) | Production process of straightening roller for stretch bending straightener | |
| CN212419705U (en) | Auxiliary tool for radial drilling machine | |
| CN108723955B (en) | Grinding machine with adjustable range of machined surface | |
| CN217701167U (en) | Thread length adjusting device of thread rolling machine | |
| CN116037821A (en) | Automatic sliding frame thread rolling machine | |
| CN204843769U (en) | Cam grinding machine | |
| CN219767420U (en) | Clamping device of numerical control machine tool | |
| CN115026346B (en) | Spiral broaching equipment and spiral broaching method thereof | |
| US4288180A (en) | Apparatus for truing bolting surfaces of wheels and the like | |
| CN214108893U (en) | Vertical machining equipment for forming annular die oblique angle | |
| CN215845078U (en) | Barrel body edge buckling machine | |
| CN211439109U (en) | Hydraulic clamp for drilling oil hole and ball path on belt wheel shaft | |
| CN113084942A (en) | Non-metal manufacturing center | |
| CN109910101B (en) | Polymer pipe clamping method and clamping device | |
| CN102259283A (en) | High-precision numerical control double grinding head inner surface grinding machine | |
| US4347770A (en) | Apparatus and method for radially cutting cylindrical material | |
| CN220330167U (en) | Nail screw thread equipment of polishing | |
| CN112658696B (en) | Micron-sized guide pillar hole machining device and machining method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 666-1, San Yan Qiao San Cun, Jiang'an District, Wuhan City, Hubei Province, 430019 Patentee after: Wuhan Energy Planning and Design Co.,Ltd. Country or region after: China Address before: No.666-1, Sanyanqiao third village, Jiang'an District, Wuhan City, Hubei Province, 430019 Patentee before: WUHAN GAS & HEAT PLANNING AND DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |