CN201760544U - Twisting machine for forming straight screw threads on steel bars - Google Patents
Twisting machine for forming straight screw threads on steel bars Download PDFInfo
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- CN201760544U CN201760544U CN2010202985043U CN201020298504U CN201760544U CN 201760544 U CN201760544 U CN 201760544U CN 2010202985043 U CN2010202985043 U CN 2010202985043U CN 201020298504 U CN201020298504 U CN 201020298504U CN 201760544 U CN201760544 U CN 201760544U
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- rolling wheel
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Abstract
The utility model discloses a twisting machine for forming straight screw threads on steel bars. The twisting machine comprises three rolling wheels, three eccentric shafts, a rolling wheel bin front cover and a rolling wheel bin rear cover; rolling surfaces are formed on the periphery surfaces of the three rolling wheels; the axis center holes of the three rolling wheels are respectively sleeved on the corresponding three eccentric shafts at liberty; the three eccentric shafts are in stop-motion status in the circumferential direction; the two ends of the three eccentric shafts are respectively positioned and inserted into the corresponding eccentric shaft holes formed on the rolling wheel bin front cover and the rolling wheel bin rear cover; rolling wheel thread angle sleeves are formed on the three eccentric shafts; the axial lines of the rolling wheel thread angle sleeves are parallel to the axial line of a fed steel bar; through holes are formed in the axial directions of the rolling wheel thread angle sleeves; bevel angles are formed between the through holes and the axial lines of the rolling wheel thread angle sleeves; the two ends of the three eccentric shafts are respectively sleeved with the corresponding rolling wheel thread angle sleeves; the rolling wheel thread angle sleeves are respectively inserted into the corresponding eccentric shaft holes formed on the rolling wheel bin front cover and the rolling wheel bin rear cover in the circumferential direction, and the axial lines of the three eccentric shafts are parallel to one another. As the thread angle structure is adopted, the precision in processing the screw threads is improved, and the service lives of the rolling wheels are prolonged.
Description
Technical field
The utility model relates to a kind of reinforced bar straight thread thread reaming machine, particularly a kind of reinforced bar straight thread thread reaming machine.
Background technology
The original spiral welding procedure of architectural engineering has many factors directly to influence the reinforcing bar bonding strength, is eliminated by national Important Project and earthquake prone areas, and the various places construction market screw thread steel occurred and connected new technology.
At present, the various reinforced bar straight thread screw-rolling machines that occur on the market, there is following defective in the overwhelming majority, directly have influence on the progress and the precision of construction, be embodied in: place because rolling wheel is vertical with rolling head, need spend bigger power could go up button during rolling, labour intensity is big; Because the spiral head a small amount of bending can occur unavoidably in dispatch from the factory transportation or handling process, run into this situation and just be difficult to go up the button rolling, if once steel bar end occurs producing crimping because of last button difficulty, just can't carry out rolling again, the steel bar end of crimping must be cut and to continue rolling, directly have influence on operating efficiency; Cumulative pitch error can appear because rolling wheel and parallel reinforced steel bar are placed the screw thread that is shut out, the long more cumulative pitch error of screw thread is big more, reduce the contact area of screw thread, directly influence the reinforcing bar bonding strength, do not reach the requirement of national standard bonding strength, even thread bush can occur and can't screw in situation about putting in place.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of reinforced bar straight thread thread reaming machine, can compensate cumulative pitch error effectively, guarantees accuracy of screw machining.
The utility model is in order to solve the technical scheme that its technical problem adopts: a kind of reinforced bar straight thread thread reaming machine, comprise three rolling wheels, three eccentric shafts, roll wheel storehouse protecgulum and roll wheel storehouse bonnet, the outer peripheral face of three rolling wheels is a plane roll, the axle center hole of three rolling wheels is corresponding one by one freely to be sheathed on three eccentric shafts, corresponding respectively location, three its two ends of eccentric shaft circumferencial direction stop is inserted in rolls wheel storehouse protecgulum and rolls in the eccentric shaft axis hole of taking turns the storehouse bonnet, be provided with and roll wheel lift angle cover, the axis that rolls wheel lift angle cover is parallel with the axis of feeding reinforcing bar, roll wheel lift angle cover and axially be provided with the through hole that is certain angle of inclination with its axis, the corresponding one by one respectively positioning sleeve in three eccentric shaft two ends is provided with and rolls wheel lift angle cover (being that both relative positions are fixing), rolling the corresponding one by one circumferencial direction stop of wheel lift angle cover location is inserted in and rolls wheel storehouse protecgulum and roll in the eccentric shaft axis hole of wheel storehouse bonnet, the axis of three eccentric shafts is parallel, the through hole that promptly rolls wheel lift angle cover is with oblique setting, make three plane rolls be parallel, being level with the axis of feeding reinforcing bar is benchmark, the axis of three rolling wheels all is level, because of the axis of described through hole is parallel with the axis of rolling wheel, former non-intersect in two horizontal planes respectively so the axis of the axis of rolling wheel and feeding reinforcing bar is the oblique angle, promptly rolling wheel is oblique cutter rolled thread.
Plug one in each location, three eccentric shaft axis hole places of rolling wheel storehouse protecgulum and rolling wheel storehouse bonnet and roll wheel lift angle cover, form a cover rolling wheel lead angle system, make the axis of the axis of rolling wheel and reinforcing bar be the oblique angle but non-intersect, produce certain inclination angle, when rolling, produce the effect of lead angle, the compensation cumulative pitch error is guaranteed accuracy of screw machining.
Actually add man-hour, at first reinforcing bar is carried out stripping and handle, make that the column diameter before the reinforcing bar processing reaches same size, and then carry out the rolling screw-threads moulding that use this method can make the accuracy of thread height, joint quality is stable.
As further improvement of the utility model, the described periphery that rolls wheel lift angle cover is arranged with two backing pin holes, roll wheel storehouse protecgulum and roll corresponding two backing pins that are installed with on the bonnet of wheel storehouse, two backing pin holes respectively one by one correspondence be sheathed on two backing pins, locate with this and to roll wheel lift angle cover, like this reinforcing bar is carried out hank knotting and add man-hour, only need each is rolled wheel lift angle cover Rotate 180 °, overlap accurate Rotate 180 ° by two backing pins that are arranged with are spacing to guarantee to roll the wheel lift angle, change the direction of rotation of motor simultaneously, can process anti-silk, easy to operate.
As further improvement of the utility model, to use direction to be benchmark, the inclination angle that forms between the axis of described rolling wheel axis and feeding reinforcing bar is 2 degree, the rolling wheel axis is parallel with the axis of through hole, the axis of feeding reinforcing bar is parallel with rolling wheel lift angle cover axis, and the axis of through hole is 2 to spend with rolling inclination angle between the wheel lift angle cover axis in other words, can compensate cumulative pitch error preferably like this, guarantee accuracy of screw machining, thereby reach the purpose that improves the reinforcing bar bonding strength.
As further improvement of the utility model, the reinforced bar straight thread thread reaming machine also includes frame, clamping clip, reductor, stripping cutter, cooling system, feed mechanism, rolling wheel guiding mechanism and electrical apparatus control system, the utility model adopts automatic folding cutter structure, the bar one-time clamping, finish the processing of stripping and squeezing thread, efficient height, automatic carrier return after the rolled thread, workbench returns to initial position, and then unloads reinforcing bar.
As further improvement of the utility model, described rolling wheel guiding mechanism is by three external gears, a ring gear and an adjustment gear are formed, three corresponding one by one respectively ends that are placed in three eccentric shafts admittedly of external gear, ring gear freely is engaged in outside three external gears, adjustment gear axial location and circumferencial direction rotate to be located at and roll wheel storehouse bonnet, adjust gear and freely be engaged in ring gear, adjust gear by rotating like this, ring gear is rotated, ring gear drives three external gears and rotates, three external gears drive three eccentric shafts more respectively and rotate, and with this adjustment that realizes space in the plane roll of three rolling wheels, adapt to the rolled thread of different-diameter reinforcing bar.
The beneficial effects of the utility model are: the utility model has increased by a cover rolling wheel lead angle system on existing reinforced bar straight thread thread reaming machine, promptly plug one and roll wheel lift angle cover in each location, three eccentric shaft axis hole places of rolling wheel storehouse protecgulum and bonnet, roll wheel lift angle cover and axially be provided with the through hole that is certain angle of inclination with feeding reinforcing bar axis, make and produce certain inclination angle between the axis of the axis of rolling wheel and reinforcing bar but non-intersect, when rolling, produce the effect of lead angle, the compensation cumulative pitch error, the tooth form of processing is full, guarantee accuracy of screw machining, thereby make that the bonding strength of reinforcing bar is higher, and go up button when making rolling easily, reduced manipulation strength, improve operating efficiency, brought up to two to three times the service life of rolling wheel simultaneously, saved the more cost of exchange device.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of rolling wheel;
Fig. 3 is the structural representation of eccentric shaft;
Fig. 4 is the structural representation that rolls wheel lift angle cover.
The specific embodiment
Embodiment: a kind of reinforced bar straight thread thread reaming machine, comprise three rolling wheels 1, three eccentric shafts 2, roll wheel storehouse protecgulum and roll wheel storehouse bonnet, the outer peripheral face of three rolling wheels is a plane roll, the axle center hole of three rolling wheels is corresponding one by one freely to be sheathed on three eccentric shafts, corresponding respectively location, three its two ends of eccentric shaft circumferencial direction stop is inserted in rolls wheel storehouse protecgulum and rolls in the eccentric shaft axis hole of taking turns the storehouse bonnet, be provided with and roll wheel lift angle cover 3, the axis that rolls wheel lift angle cover 3 is parallel with the axis of feeding reinforcing bar, roll wheel lift angle cover 3 and be axially arranged with the through hole that is certain angle of inclination with its axis, the corresponding one by one respectively positioning sleeve in three eccentric shaft two ends is provided with and rolls wheel lift angle cover 3 (being that both relative positions are fixing), rolling wheel lift angle cover 3 corresponding one by one circumferencial direction stop location is inserted in and rolls wheel storehouse protecgulum and roll in the eccentric shaft axis hole of wheel storehouse bonnet, the axis of three eccentric shafts is parallel, the through hole that promptly rolls wheel lift angle cover 3 is with oblique setting, make three plane rolls be parallel, being level with the axis of feeding reinforcing bar is benchmark, the axis of three rolling wheels all is level, because of the axis of described through hole is parallel with the axis of rolling wheel, former non-intersect in two horizontal planes respectively so the axis of the axis of rolling wheel and feeding reinforcing bar is the oblique angle, promptly rolling wheel is oblique cutter rolled thread.
Plug one in each location, three eccentric shaft axis hole places of rolling wheel storehouse protecgulum and rolling wheel storehouse bonnet and roll wheel lift angle cover, form a cover rolling wheel lead angle system, make the axis of the axis of rolling wheel and reinforcing bar be the oblique angle but non-intersect, produce certain inclination angle, when rolling, produce the effect of lead angle, the compensation cumulative pitch error is guaranteed accuracy of screw machining.
Actually add man-hour, at first reinforcing bar is carried out stripping and handle, make that the column diameter before the reinforcing bar processing reaches same size, and then carry out the rolling screw-threads moulding that use this method can make the accuracy of thread height, joint quality is stable.
The described periphery that rolls wheel lift angle cover 3 is arranged with two backing pin holes, roll wheel storehouse protecgulum and roll corresponding two backing pins that are installed with on the bonnet of wheel storehouse, two backing pin holes respectively one by one correspondence be sheathed on two backing pins, locate with this and to roll wheel lift angle cover 3, like this reinforcing bar is carried out hank knotting and add man-hour, only need each is rolled wheel lift angle cover Rotate 180 °, overlap accurate Rotate 180 ° by two backing pins that are arranged with are spacing to guarantee to roll the wheel lift angle, change the direction of rotation of motor simultaneously, can process anti-silk, easy to operate.
To use direction to be benchmark, the inclination angle that forms between the axis of described rolling wheel 1 axis and feeding reinforcing bar is 2 degree, rolling wheel 1 axis is parallel with the axis of through hole, to overlap 3 axis be parallel to the axis of feeding reinforcing bar with rolling the wheel lift angle, the axis of through hole and roll the wheel lift angle to overlap inclination angle between 3 axis be 2 degree in other words, can compensate cumulative pitch error preferably like this, guarantee accuracy of screw machining, thereby reach the purpose that improves the reinforcing bar bonding strength.
The reinforced bar straight thread thread reaming machine also includes frame, clamping clip, reductor, stripping cutter, cooling system, feed mechanism, rolling wheel guiding mechanism and electrical apparatus control system, the utility model adopts automatic folding cutter structure, the bar one-time clamping, finish the processing of stripping and squeezing thread, the efficient height, automatic carrier return after the rolled thread, workbench returns to initial position, and then unloads reinforcing bar.
Described rolling wheel guiding mechanism is by three external gears, a ring gear and an adjustment gear are formed, three corresponding one by one respectively ends that are placed in three eccentric shafts admittedly of external gear, ring gear freely is engaged in outside three external gears, adjustment gear axial location and circumferencial direction rotate to be located at and roll wheel storehouse bonnet, adjust gear and freely be engaged in ring gear, adjust gear by rotating like this, ring gear is rotated, ring gear drives three external gears and rotates, three external gears drive three eccentric shafts more respectively and rotate, realize the adjustment in space in the plane roll of three rolling wheels with this, adapt to the rolled thread of different-diameter reinforcing bar.
Again in this example, roll wheel lift angle cover can, roll through hole that the wheel lift angle puts and can directly be located at and roll wheel storehouse protecgulum and roll on the bonnet of wheel storehouse, it is very high to do processing cost only like this, but can realize the function of this example equally, is the replacement that is equal to of this example.
Claims (5)
1. reinforced bar straight thread thread reaming machine, comprise three rolling wheels (1), three eccentric shafts (2), roll wheel storehouse protecgulum and roll wheel storehouse bonnet, the outer peripheral face of three rolling wheels is a plane roll, the axle center hole of three rolling wheels is corresponding one by one freely to be sheathed on three eccentric shafts, three eccentric shaft circumferencial direction stop, corresponding respectively location, its two ends is inserted in rolls wheel storehouse protecgulum and rolls in the eccentric shaft axis hole of taking turns the storehouse bonnet, it is characterized in that: be provided with and roll wheel lift angle cover (3), the axis that rolls wheel lift angle cover (3) is parallel with the axis of feeding reinforcing bar, roll wheel lift angle cover (3) and be axially arranged with the through hole that is certain angle of inclination with its axis, the corresponding one by one respectively positioning sleeve in three eccentric shaft two ends is provided with and rolls wheel lift angle cover (3), rolling the corresponding one by one circumferencial direction stop of wheel lift angle cover (3) location is inserted in and rolls wheel storehouse protecgulum and roll in the eccentric shaft axis hole of wheel storehouse bonnet, the axis of three eccentric shafts is parallel, being level with the axis of feeding reinforcing bar is benchmark, and the axis of three rolling wheels all is level.
2. reinforced bar straight thread thread reaming machine according to claim 1, it is characterized in that: the described periphery that rolls wheel lift angle cover (3) is arranged with two backing pin holes, roll wheel storehouse protecgulum and roll corresponding two backing pins that are installed with on the bonnet of wheel storehouse, two backing pin holes respectively one by one correspondence be sheathed on two backing pins.
3. reinforced bar straight thread thread reaming machine according to claim 1 is characterized in that: be benchmark to use direction, the inclination angle that forms between the axis of described rolling wheel (1) axis and feeding reinforcing bar is 2 degree.
4. reinforced bar straight thread thread reaming machine according to claim 1 is characterized in that: the reinforced bar straight thread thread reaming machine also includes frame, clamping clip, reductor, stripping cutter, cooling system, feed mechanism, rolling wheel guiding mechanism and electrical apparatus control system.
5. reinforced bar straight thread thread reaming machine according to claim 4, it is characterized in that: described rolling wheel guiding mechanism is made up of three external gears, a ring gear and an adjustment gear, three corresponding one by one respectively ends that are placed in three eccentric shafts admittedly of external gear, ring gear freely is engaged in outside three external gears, adjustment gear axial location and circumferencial direction rotate to be located at and roll wheel storehouse bonnet, adjust gear and freely are engaged in ring gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202985043U CN201760544U (en) | 2010-08-19 | 2010-08-19 | Twisting machine for forming straight screw threads on steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202985043U CN201760544U (en) | 2010-08-19 | 2010-08-19 | Twisting machine for forming straight screw threads on steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201760544U true CN201760544U (en) | 2011-03-16 |
Family
ID=43713147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202985043U Expired - Fee Related CN201760544U (en) | 2010-08-19 | 2010-08-19 | Twisting machine for forming straight screw threads on steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201760544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611856A (en) * | 2013-11-13 | 2014-03-05 | 四川柯世达汽车制动系统集团有限公司 | Rolling tool for axial external threads |
-
2010
- 2010-08-19 CN CN2010202985043U patent/CN201760544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611856A (en) * | 2013-11-13 | 2014-03-05 | 四川柯世达汽车制动系统集团有限公司 | Rolling tool for axial external threads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20130819 |