CN201659233U - External screw thread machining device of two-end screw thread part - Google Patents
External screw thread machining device of two-end screw thread part Download PDFInfo
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- CN201659233U CN201659233U CN2010201541524U CN201020154152U CN201659233U CN 201659233 U CN201659233 U CN 201659233U CN 2010201541524 U CN2010201541524 U CN 2010201541524U CN 201020154152 U CN201020154152 U CN 201020154152U CN 201659233 U CN201659233 U CN 201659233U
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- external screw
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Abstract
The utility model discloses an external screw thread machining device of a two-end screw thread part, which comprises a base, a thread rolling fixed board, a thread rolling movable board and a power source, wherein the cross section of the base is concave, one inner side face of the concave part of the base is provided with the thread rolling fixed board, a thread rolling surface is formed into a thread rolling tooth, the thread rolling surface is formed into a straight first abdicating groove along the length direction, the other side face of the concave part of the base is provided with the slidable thread rolling movable board, the thread rolling movable board slides under the driving of the power source, a thread rolling surface of the thread rolling movable board is parallel with a thread rolling surface of the thread rolling fixed board, the thread rolling surface of the thread rolling movable board is formed into a thread rolling tooth which is matched with the thread rolling fixed board, the thread rolling surface of the thread rolling movable board is formed into a straight second abdicating groove along the length direction, the size of the second abdicating groove is equal to that of the first abdicating groove, and the position of the second abdicating groove corresponds to that of the first abdicating groove. The external screw thread machining device of the two-end screw thread part is good for not influencing the screw thread at a lug boss, can machine the two sections of external screw threads at one step, and has high production efficiency.
Description
Technical field
The utility model belongs to the screw element technical field, the external screw thread processing unit (plant) of particularly a kind of two ends screw element.
Background technology
The structure of two ends screw element as shown in Figure 1, such screw element is divided into two sections of different length by a boss, two sections all have external screw thread.Though it is simple in structure, the shape of such screw element is special, specification is little, hardness is high, toughness is big, and the basketry scheme relates to more technological difficulties.
External screw thread processing mode for this type of screw element mainly contains two kinds at present: a kind of is cutting, and another kind is extruding, and extruding mainly is rolled thread processing, is illustrated respectively below.
1, machining: it is a kind of leading that this processing mode has only turning to process in fact.In view of the two ends screw element be have in the middle of the structural member of boss, add man-hour in turning, need clamping, roof pressure, for the ending place of this two ends screw thread not having the escape design, therefore, once finish the externally threaded processing in two ends is impossible realize; Moreover its part is little, precision is high, adopts and to change head processing, and crudy can't guarantee, and manufacturing procedure complexity, efficient are low.
2, rolled thread processing: it adopts one pair of cylindrical die roll by the processing of roll extrusion with the screw element moulding, this processing mode can be divided into two kinds again: a kind of is that two sections external screw threads are respectively processed once, two sections external screw thread branch secondary operations are finished, this mode is existing problems when processing short one section: poor location, and manufactured goods is of poor quality, in addition, manufacturing efficient is also low.Another kind of: rolled thread is to leave corresponding notch on one pair of cylindrical die roll, and this mode can once be finished two sections externally threaded processing.A kind of manufacture method of double end screws hanger bolt is disclosed as China Patent No. ZL200610152088.4, though this patented technology scheme has its advantage, but there is also defective: because the specification of such part is little, hardness is high, toughness is big, the thread of cylindrical die roll need carry bigger load, during the cylindrical die roll machining screw, if the both sides thread hardness of fluting is on the low side, then quick abrasion; If hardness is higher, then the relative intensity of thread reduces, and broken tooth frequently occurs, and the short section quality influence of these double thread curtailment two teeth is particularly serious.Moreover, for guaranteeing the complete quality of the clear thread form of screw thread, need of the wearing and tearing of continuous handling failure cylindrical die roll to cutter, like this, workload just can increase greatly.Thereby, reduces production efficiency, increases manufacturing cost, and end product quality also can not get guaranteeing.
The utility model content
The utility model discloses the external screw thread processing unit (plant) of a kind of two ends screw element, it has solved the above-mentioned technical problem that prior art exists.
The utility model is taked following technical scheme: the external screw thread processing unit (plant) of two ends screw element, comprise that plate is decided in support, thread rolling, plate, power source are moved in thread rolling, the cross section of support is spill, plate is decided in the one medial surface fixed installation thread rolling of support recess, the thread rolling face that plate is decided in thread rolling forms the thread rolling tooth, and the thread rolling face that plate is decided in thread rolling forms together directly first slot to make way of shape along its length; The another side of support recess is provided with the moving plate of thread rolling of slidingtype, the moving plate of thread rolling is slided by drive power source, the thread rolling face of the moving plate of thread rolling parallels with the thread rolling face that plate is decided in thread rolling, the thread rolling face of the moving plate of thread rolling forms with thread rolling decides the thread rolling tooth that plate is complementary, the thread rolling face of the moving plate of thread rolling forms second slot to make way of together straight shape along its length, and second slot to make way is identical with first slot to make way size and the position is corresponding.
Preferably, a medial surface of support recess is decided the plate holder, and described thread rolling is decided plate and is fixedly installed in and decides the plate holder.
Preferably, another medial surface of support recess forms chute along its length one, and the cross section of chute is trapezoidal; If a sliding seat, the insertion section and the chute of sliding seat are suitable, and chute is stretched in the insertion section of sliding seat, and sliding seat can slide along chute; Sliding seat is slided by described drive power source, and the moving plate of described thread rolling is fixedly installed on the sliding seat.
Preferably, an end of sliding seat has loose slot, stretches into a termination of connecting rod in the loose slot, and this termination of connecting rod fixedly installs link pin, and link pin cooperates with sliding seat is movable, but can not break away from loose slot; The other end of connecting rod is rotatably assorted in the side of a rocker gear by pin, and rocker gear is rotated by described drive power source.
Preferably, power source adopts motor, and motor is by belt or the rotation of gear driven rocker gear.
Preferably, thread rolling is decided the outside, upper end of plate one stranding base charging part is installed, and the discharging oral area of charging part is installed movable feeding rod.
Preferably, the thread rolling below of deciding the plate lower end is provided with the blanking basket.
Preferably, the upper and lower end face that plate thread rolling face is decided in thread rolling all is a fillet surface, and the upper and lower end face of the moving plate thread rolling face of thread rolling all is a fillet surface.
Preferably, the length of fillet surface is 3-5mm, and the inclination angle of fillet surface is the 1-3 degree.
The external screw thread processing unit (plant) of the utility model two ends screw element belongs to the thread rolling processing method, it is provided with one pair of screw plate, comprise that plate is decided in thread rolling and plate is moved in thread rolling, open a pair of notch at the correspondence position of this pair screw plate, during the thread rolling threading, but the boss roller of two ends screw element insert aforementioned relative notch, thereby it is unaffected to help the thread rolling of projection section screw thread, and two sections external screw threads can be finished by time processing, the production efficiency height; Simultaneously, find some minor issues man-hour, can in time change, repair screw plate if add, easy to operate, quick; And the improvement to quality assurance has important effect.
Description of drawings
Fig. 1 is the structure chart of two ends screw element.
Fig. 2 rubs blank structure figure with the hands.
Fig. 3 is the cross-sectional view of the external screw thread processing unit (plant) of the utility model two ends screw element.
Fig. 4 is the partial structurtes figure of the external screw thread processing unit (plant) of the utility model two ends screw element.
Fig. 5 is the preceding configuration state figure of external screw thread processing unit (plant) thread rolling of two ends screw element.
Fig. 6 is the feeding end construction figure of feeding rod.
Fig. 7 is the configuration state figure in the external screw thread processing unit (plant) thread rolling process of two ends screw element.
Fig. 8 is that the A of Fig. 7 is to view.
Fig. 9 is that the B of Fig. 7 is to view.
Figure 10 is the configuration state figure of blanking after the external screw thread processing unit (plant) thread rolling of two ends screw element is finished.
Among the figure: 1, support, 2, decide the plate holder, 3, thread rolling decides plate, 31, thread rolling locatees anti-slot to make way, 4, sliding seat, 5, the moving plate of thread rolling, 51, the moving plate slot to make way of thread rolling, 6, power source, 7, rocker gear, 8, connecting rod, 9, rub base with the hands, 10, feeding rod, 11, the blanking basket, 12, charging part, 13, finished product, 14, chute, 15, pin, 16, loose slot, 17, link pin.
The specific embodiment
Be in conjunction with the accompanying drawings the utility model to be elaborated below.
The two ends screw element structure of finished product as shown in Figure 1, its outer wall forms a boss, this boss is divided into not isometric two sections, a segment length, another section are short, two sections all have external screw thread, short one section is the thin-walled thread segment that has inner hexagonal hole.
Be the semi-finished product of two ends screw element as shown in Figure 2, be called the stranding base, its outer wall forms a boss, and this boss is divided into not isometric two sections, a segment length, another section weak point, and short one section has inner hexagonal hole.Its external screw thread processing unit (plant) by the utility model two ends screw element is processed into finished product as shown in Figure 1.
Referring to accompanying drawing 3-10, the external screw thread processing unit (plant) of the utility model two ends screw element comprises support 1, decide plate holder 2, plate 3 is decided in thread rolling, sliding seat 4, plate 5 is moved in thread rolling, power source 6; rocker gear 7; connecting rod 8; feeding rod 10; blanking basket 11; charging part 12; cross section of support 1 is spill; a medial surface of its recess fixed installation cross section is L-shaped decides plate holder 2; plate 3 decide in the vacancy portion rectangular-shaped thread rolling of fixed installation of decide plate holder 2; referring to Fig. 3; the thread rolling face that plate 3 decide in thread rolling forms the thread rolling tooth; and on this face; along one of its length direction formation slot to make way 31 of shape directly, referring to Fig. 9.The upper surface that the thread rolling face of plate 3 is decided in thread rolling is fillet surface A (being thread rolling face is decided plate 3 by fillet surface A and thread rolling upper surface transition), the about 5mm of the length of fillet surface A, and the inclination alpha of fillet surface A is the 1-3 degree.The lower surface that the thread rolling face of plate 3 is decided in thread rolling is fillet surface B (being thread rolling face is decided plate 3 by fillet surface B and thread rolling lower surface transition), the about 3mm of the length of fillet surface B, and the inclination alpha of fillet surface B is the 1-3 degree.
Another medial surface of support 1 recess forms chute 14 one along its length direction, and the cross section of chute 14 is trapezoidal.The cross section of sliding seat 4 insertion sections also is trapezoidal, trapezoidal suitable with chute 14, and chute 14 is stretched in the insertion section of sliding seat 4, and sliding seat 4 can slide along chute 14.The rectangular-shaped moving plate 5 of thread rolling of fixed installation on the sliding seat 4, the thread rolling face of the moving plate 5 of thread rolling is relative and parallel with the thread rolling face that plate 3 is decided in thread rolling, keeps at a certain distance away between the two, and this distance is slightly smaller than the external diameter of rubbing base 9 thread segments with the hands.The thread rolling face of the moving plate 5 of thread rolling forms the slot to make way 51 of together straight shape along its length direction, and referring to Fig. 8, it is identical and the position is corresponding that slot to make way 31 sizes of plate 3 decide in this slot to make way 51 and thread rolling, and the boss height of the degree of depth of two slots to make way and stranding base 9 is suitable.In addition, the thread rolling tooth that the thread rolling face that plate 3 is decided in the thread rolling face formation of the moving plate 5 of thread rolling and thread rolling is complementary, both thread rolling tooth cooperations can be made into thread segment.The upper surface of the thread rolling face of the moving plate 5 of thread rolling is fillet surface B ' (being that thread rolling face is by the upper surface transition of fillet surface B ' with the moving plate 5 of thread rolling), the about 3mm of the length of fillet surface B ', and the inclination alpha of fillet surface B ' is the 1-3 degree.The lower surface of the thread rolling face of the moving plate 5 of thread rolling is fillet surface A ' (being that thread rolling face is by the lower surface transition of fillet surface A ' with the moving plate 5 of thread rolling), the about 5mm of the length of fillet surface A ', and the inclination alpha of fillet surface A ' is the 1-3 degree.Thread rolling is decided the both ends of the surface up and down of the thread rolling face of the moving plate of plate, thread rolling and all be arranged to fillet surface, make and rub entering and the more suitable cunning that drops of finished product of base with the hands.
One end of sliding seat 4 has loose slot 16, stretches into a termination of connecting rod 8 in the loose slot 16, and this termination of connecting rod 8 is fixed with link pin 17, link pin 17 and 4 movable cooperations of sliding seat, but link pin 17 is stopped by cell wall and can not break away from loose slot 16.The other end of connecting rod 8 is rotatably assorted in the side of rocker gear 7 by pin 15, and rocker gear 7 is driven by power source 6 and rotates, and this routine power source 6 adopts motor, and motor can be by belt or 7 rotations of gear driven rocker gear.Power source 6 starts, and drives rocker gear 7 rotations, and rocker gear 7 end of drivening rod 8 simultaneously rotates, thus the other end of pulling connecting rod 8, and then drive sliding seat 4 along chute 14 moving linearlies.It adopts gear to change power mode by connecting rod, will rotatablely move to be converted to rectilinear motion in the form of piston, power from gear transmission to the slip saddle.
Thread rolling is decided the outside, upper end of plate 3 a charging part 12 is installed, and the below of lower end is provided with blanking basket 11.Charging part 12 is U type grooved rail shape, and it is packed into and rubs base 9 (structure is referring to Fig. 2) with the hands, rub base 9 with the hands and be sandwiched in interorbital, under this state, the lug boss position of rubbing base 9 with the hands and thread rolling decide the slot to make way 31 of plate 3 and slot to make way 51 that plate 5 is moved in thread rolling corresponding, promptly be in the vertical same plane.The discharging oral area of charging part 12 is installed movable feeding rod 10, and feeding rod 10 is skewed, and its angle of inclination of this example is 45 degree.Referring to Fig. 5, feeding rod 10 can be along the arrow direction among the figure under external force drives.Under the normality, feeding rod 10 stops the stranding base 9 that is in the charging part 12, prevents to fall under it.Referring to Figure 10, when extremely breaking away from along arrow direction among the figure, feeding rod 10 stops the position of rubbing base 9 with the hands, the stranding bases 9 that are in the charging part 12 can fall one down.Feeding rod 10 along the arrow direction among Fig. 5, the stranding base 9 that falls is down pushed thread rolling decide plate 3 and move between the relative space of plate 5 with thread rolling, and its boss is inserted in both slots to make way under the driving of external force.
Before the thread rolling operation, the moving plate 5 of thread rolling is in thread rolling decides the position that plate 3 staggers, but have a bit of corresponding, can be referring to Fig. 5.Stranding base 9 is as shown in Figure 2 inserted in the charging part 12, and the stranding base 9 that feeding rod 10 will break away from the part 12 of feed pushes that plate 5 is moved in thread rolling and thread rolling is decided between the space of plate 3, and the boss of stranding base 9 is just inserted in both slots to make way.Start power source, the interlock effect by rocker gear, connecting rod drives sliding seat and slides downwards, thereby the moving plate of thread rolling is also together slided, and decides in the moving plate of thread rolling and thread rolling to carry out the extrusion process stage under the effect of plate, referring to shown in Figure 7.Decide plate staggered positions state when the moving plate of thread rolling moves down with thread rolling, the sliding seat that the moving plate of thread rolling is housed arrives the lower end terminal point, rubs base 9 completion of processing and dropping into blanking basket 11 with the hands, and stranding base 9 is processed to the two ends screw element 13 of finished product, referring to Figure 10.
More than preferred implementation of the present utility model is had been described in detail; corresponding those of ordinary skill in the art; the thought that provides according to the utility model; the part that all can change on concrete embodiment of the utility model and range of application, these changes also should be considered as protection domain of the present utility model.In sum, this description should not be construed as the restriction to the utility model protection domain.
Claims (9)
1. the external screw thread processing unit (plant) of a two ends screw element, it is characterized in that: comprise that plate is decided in support, thread rolling, plate, power source are moved in thread rolling, the cross section of support is spill, plate is decided in the one medial surface fixed installation thread rolling of support recess, the thread rolling face that plate is decided in thread rolling forms the thread rolling tooth, and the thread rolling face that plate is decided in thread rolling forms together directly first slot to make way of shape along its length; The another side of support recess is provided with the moving plate of thread rolling of slidingtype, the moving plate of thread rolling is slided by drive power source, the thread rolling face of the moving plate of thread rolling parallels with the thread rolling face that plate is decided in thread rolling, the thread rolling face of the moving plate of thread rolling forms with thread rolling decides the thread rolling tooth that plate is complementary, the thread rolling face of the moving plate of thread rolling forms second slot to make way of together straight shape along its length, and second slot to make way is identical with first slot to make way size and the position is corresponding.
2. the external screw thread processing unit (plant) of two ends screw element according to claim 1, it is characterized in that: a medial surface of support recess is decided the plate holder, and described thread rolling is decided plate and is fixedly installed in and decides the plate holder.
3. the external screw thread processing unit (plant) of two ends screw element as claimed in claim 1 or 2, it is characterized in that: another medial surface of support recess forms chute along its length one, and the cross section of chute is trapezoidal; If a sliding seat, the insertion section and the chute of sliding seat are suitable, and chute is stretched in the insertion section of sliding seat, and sliding seat can slide along chute; Sliding seat is slided by described drive power source, and the moving plate of described thread rolling is fixedly installed on the sliding seat.
4. as the external screw thread processing unit (plant) of two ends screw element as described in the claim 3, it is characterized in that: an end of sliding seat has loose slot, stretches into a termination of connecting rod in the loose slot, and this termination of connecting rod fixedly installs link pin, link pin cooperates with sliding seat is movable, but can not break away from loose slot; The other end of connecting rod is rotatably assorted in the side of a rocker gear by pin, and rocker gear is rotated by described drive power source.
5. as the external screw thread processing unit (plant) of two ends screw element as described in the claim 4, it is characterized in that: described power source adopts motor, and motor is by belt or the rotation of gear driven rocker gear.
6. the external screw thread processing unit (plant) of two ends screw element as claimed in claim 1 or 2 is characterized in that: the outside, upper end that plate is decided in thread rolling is installed one and is rubbed base charging part with the hands, and the discharging oral area of charging part is installed movable feeding rod.
7. as the external screw thread processing unit (plant) of two ends screw element as described in the claim 6, it is characterized in that: the below that the plate lower end is decided in thread rolling is provided with the blanking basket.
8. the external screw thread processing unit (plant) of two ends screw element according to claim 1, it is characterized in that: the upper and lower end face that plate thread rolling face is decided in described thread rolling all is a fillet surface, the upper and lower end face of the moving plate thread rolling face of thread rolling all is a fillet surface.
9. as the external screw thread processing unit (plant) of two ends screw element as described in the claim 8, it is characterized in that: the length of described fillet surface is 3-5mm, and the inclination angle of fillet surface is the 1-3 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201541524U CN201659233U (en) | 2010-04-08 | 2010-04-08 | External screw thread machining device of two-end screw thread part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201541524U CN201659233U (en) | 2010-04-08 | 2010-04-08 | External screw thread machining device of two-end screw thread part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659233U true CN201659233U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201541524U Expired - Fee Related CN201659233U (en) | 2010-04-08 | 2010-04-08 | External screw thread machining device of two-end screw thread part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728750A (en) * | 2012-06-11 | 2012-10-17 | 河南航天精工制造有限公司 | Rivet core rod diameter breaking groove machining device |
-
2010
- 2010-04-08 CN CN2010201541524U patent/CN201659233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728750A (en) * | 2012-06-11 | 2012-10-17 | 河南航天精工制造有限公司 | Rivet core rod diameter breaking groove machining device |
| CN102728750B (en) * | 2012-06-11 | 2014-07-30 | 河南航天精工制造有限公司 | Rivet core rod diameter breaking groove machining device |
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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: 20101201 Termination date: 20130408 |