CN104139221A - Positioning mechanism and tapping device - Google Patents
Positioning mechanism and tapping device Download PDFInfo
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- CN104139221A CN104139221A CN201410374429.7A CN201410374429A CN104139221A CN 104139221 A CN104139221 A CN 104139221A CN 201410374429 A CN201410374429 A CN 201410374429A CN 104139221 A CN104139221 A CN 104139221A
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- circular groove
- fixed block
- groove
- movable block
- detent mechanism
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Abstract
The invention provides a positioning mechanism. The positioning mechanism is characterized in that the positioning mechanism comprises a fixing unit and a driving unit, wherein the fixing unit is arranged on a tapping operation desk and used for fixing a nut blank, and the driving unit is connected with the fixing unit. The fixing unit is provided with a movable block and a first fixed block, the movable block and the first fixed block are respectively provided with a groove with a semicircular section, the two grooves are placed oppositely and form a first circular groove after being closed, the first circular groove is placed opposite to a screw tap so as to right clamp the nut blank, the two sides of the movable block are provided with a second fixed block and a third fixed block, and a sliding groove in which the movable block can slide is formed by the second fixed block and the third fixed block together. The driving unit drives the movable block to move towards the first fixed block, the two grooves are closed and the nut blank is fixed. The invention further provides a tapping device which comprises the positioning mechanism, a tapping mechanism and a control mechanism, wherein the control mechanism is provided with a reset part. The positioning mechanism and the tapping device can improve the tapping accuracy.
Description
Technical field
The present invention relates to a kind of detent mechanism and chasing bar, belong to field of machining.
Background technology
In the manufacture process of round nut internal whorl, be generally directly nut base to be placed on to the below of screw tap by workman, then dial the pull bar on lower tapping machine, make screw tap bore saturating nut base downwards, complete after tapping process.Then, take off the round nut of attacking silk, more upwards stir pull bar, screw tap moves upward.Then, repeat above-mentioned action.
Because the placement of nut base relies on workman's experience completely, can not ensure to manufacture the position of screw thread and the screw tap of top is completely corresponding, may there is certain deviation, affect tapping precision; And nut base is not fixed when tapping, when screw tap applies power to nut base, can cause nut base slightly to move, and makes the trend of screw thread depart from predefined paths, also can affect tapping precision.
Summary of the invention
The present invention carries out in order to solve above-mentioned problem, and object is to provide a kind of detent mechanism and the chasing bar that can improve tapping precision.
The present invention to achieve these goals, has adopted following structure.
< structure 1>
The invention provides a kind of detent mechanism, be positioned on the tapping operating desk of screw tap below, at tapping process hold-down nut base, it is characterized in that, comprising: be arranged on the fixed cell for hold-down nut base on tapping operating desk; And the driver element being connected with fixed cell.
Wherein, fixed cell has movable block and the first fixed block, movable block and the first fixed block are provided with the groove that cross section is semicircle, two groove subtends arrange and closed rear first circular groove that forms, the first circular groove and the setting of screw tap subtend and just binding nut base, the both sides of movable block are provided with the second fixed block and the 3rd fixed block, the chute that the second fixed block and the common formation of the 3rd fixed block can allow movable block slide therein, drive unit drives movable block is shifted to the first fixed block, closed two grooves hold-down nut base.
In addition, in detent mechanism of the present invention, can also there is such feature: wherein, on movable block and the first fixed block, be respectively arranged with ambulatory splint and strap, half side being applied on ambulatory splint in a left side of the first circular groove, half side being applied on strap in the right side of the first circular groove, on the first fixed block, run through second circular groove that has that is positioned at strap left, movable block to the first fixed block near time, ambulatory splint and strap are pressed close to, two grooves are closed forms the first circular groove and the second circular groove is positioned at the first circular groove below, the diameter of the second circular groove is less than the diameter of the first circular groove and is greater than the diameter of screw tap.
In addition, in detent mechanism of the present invention, can also there is such feature: wherein, on movable block and the first fixed block, be respectively arranged with ambulatory splint and strap, half side being applied on ambulatory splint in a left side of the first circular groove, half side being applied on strap in the right side of the first circular groove, is penetrated with the second circular groove on the first fixed block, the second circular groove is positioned at the first circular groove below, and the diameter of the second circular groove is less than the diameter of the first circular groove and is greater than the diameter of screw tap.
In addition, in detent mechanism of the present invention, can also have such feature: wherein, driver element comprises the connecting rod that one end is connected by spring with portable plate, the other end of connecting rod connects foot-propelled valve, and the middle part of connecting rod is rotatably connected on tapping operating desk.
Rotate when foot-propelled valve promotes connecting rod, spring is compressed, promotes movable block and shifts to the first fixed block; When foot-propelled valve quits work, spring reset, drags movable block away from the first fixed block, and two grooves are opened and unclamped the nut of attacking silk.
In addition, in detent mechanism of the present invention, can also have such feature: wherein, the cross section of the depth direction of groove is stepped, two groove closures form the multistage cylinder shape groove of the nut base that adapts to different-diameter afterwards.
In addition, in detent mechanism of the present invention, can also there is such feature, also comprise: be arranged on fixed cell other for depositing the storaging bucket of nut base.
In addition, in detent mechanism of the present invention, can also there is such feature: wherein, foot-propelled valve is foot control pneumatic operated valve.
< structure 2>
Further, the present invention also provides a kind of chasing bar, it is characterized in that, comprising: detent mechanism; Be positioned at the tapper mechanism of detent mechanism top; Be connected the controlling organization for controlling the lifting of tapper mechanism plug tap with tapper mechanism, wherein, detent mechanism is the detent mechanism in < structure 1>, and controlling organization is provided with return unit.
In addition, in chasing bar of the present invention, can also have such feature: wherein, controlling organization has pull bar, return unit is the spring being connected between pull bar and tapper mechanism.
Invention effect and effect
According to detent mechanism of the present invention and chasing bar, because fixed cell has movable block and the first fixed block, movable block and the first fixed block are provided with the groove that cross section is semicircle, two just in time binding nut bases of the first circular groove that groove closure forms afterwards, when so tapping process plug tap applies power to nut base, nut base can not move completely, and inner screw thread is pushed ahead by predefined paths, thereby has improved the precision of tapping;
In addition, the first circular groove forming afterwards due to two groove closures in fixed cell is just to screw tap, so be clamped in nut base in the first circular groove also just to screw tap, makes to manufacture the position of screw thread and the screw tap of top is completely corresponding, there will not be deviation, thereby improved the precision of tapping.
Brief description of the drawings
Fig. 1 is the chasing bar that the present invention relates to structural representation in embodiment 1;
Fig. 2 is the structural representation of detent mechanism of the present invention in embodiment 1;
Fig. 3 is the structural representation of nut of the present invention in embodiment 1; And
Fig. 4 is the fixed cell structural representation in embodiment 2 the present invention relates to.
Detailed description of the invention
Referring to accompanying drawing, detent mechanism involved in the present invention and chasing bar are elaborated.
< embodiment 1>
Fig. 1 is the chasing bar that the present invention relates to structural representation in embodiment 1.
As shown in Figure 1, chasing bar 100 comprises detent mechanism 101, tapper mechanism 102 and controlling organization 103.
Controlling organization 100 has the pull bar 50 that is connected to tapper mechanism 102 sides.In existing tapper mechanism, pull bar 50 is connected with the jump ring that damping is larger.In tapper mechanism 102 of the present invention, jump ring is removed, and has increased the less spring 51 of damping.Spring 51 is connected between pull bar 50 and tapper mechanism 102, plays reset role.
Screw tap 52 is connected to the lower end of tapper mechanism 103.Dial lower link 50, screw tap 52 moves downward, and Compress Spring 51.After releasing lever 50, the spring 51 of compression resets, and by pull bar 50 forced back, drives screw tap 52 to rise simultaneously.
Detent mechanism 101 is arranged on tapping operating desk 14, is positioned at the below of screw tap 52, can be in tapping process hold-down nut base 20.
Fig. 2 is the structural representation of detent mechanism of the present invention in embodiment 1.
As shown in Figure 2, detent mechanism 101 comprises fixed cell 60, driver element 61 and storaging bucket (not shown).Fixed cell 60 is arranged on tapping operating desk 14, for hold-down nut base 20.Storaging bucket is arranged on the side of fixed cell 60, for depositing nut base 20.
Fixed cell 60 comprises movable block 1, the first fixed block 2, ambulatory splint 3, strap 4, the second fixed block 7 and the 3rd fixed block 8.
Driver element 61 comprises connecting rod 10, spring 9 and foot control pneumatic operated valve 11.
On movable block 1 and the first fixed block 2, be respectively arranged with semicircular ambulatory splint 3 and strap 4.The straight section subtend of the straight section of ambulatory splint 3 and strap 4 arranges.The straight section of ambulatory splint 3 is concordant with the side of portable plate 1, and the straight section of strap 4 is concordant with the side of the first fixed head 2.
On the straight section of ambulatory splint 3 and strap 4, be respectively arranged with groove 55 and groove 5 that cross section is semicircle, after groove 55 and groove 5 are closed, form the first circular groove.Half side being applied on ambulatory splint 3 in a left side of the first circular groove, the right side of the first circular groove is half side to be applied on strap 4.The first circular groove is just to screw tap 52 and binding nut base 20 just.The cross section of the depth direction of groove 55 and groove 5 is stepped, makes the cross section of the first circular groove become two-stage cylindrical, can adapt to the nut base 20 of two kinds of different-diameters.
On movable block 1 and the first fixed block 2, be provided with the groove that cross section is semicircle, after two groove closures, form the second circular groove (not shown).Half side being applied on movable block 1 in a left side of the second circular groove, the right side of the second circular groove is half side to be applied on the first fixed block 2.The second circular groove diameter is less than the diameter of the first circular groove and is greater than the diameter of screw tap 52.Nut base 20 is clamped in the first circular groove, and edge is carried on the second circular groove around.When screw tap 52 moves downward, while boring nut base 20, the second circular groove can hold screw tap 52.
The second fixed block 7 and the 3rd fixed block 8 are arranged on the both sides of movable block 1.In the middle of the second fixed block 7 and the 3rd fixed block 8, form chute, can allow movable block 1 slide therein.
The middle part 20 of connecting rod 10 is rotatably connected on tapping operating desk 14.The rear end of connecting rod 10 connects foot control pneumatic operated valve 11.The front end linking springs 9 of connecting rod 10, spring 9 is connected with the side of portable plate 1.
First nut base 20 is placed in groove 5, with hand steered live.Then, pin slams foot control pneumatic operated valve 11, can produce power, promotes connecting rod 10 and rotates around middle part 20, makes spring 9 compressed, promotes movable block 1 and shifts to the first fixed block 2.Groove 55 on ambulatory splint 3 and strap 4 and groove 5 closed formation the first circular grooves, and the nut base 20 of fixedly putting into.Then, decontrol the hand that buttresses nut base 20, dial lower link 50, screw tap 52 moves downward and bores saturating nut base 20, and enters into the second circular groove.
After tapping process completes, screw tap 52 moves upward, and unclamps the pin that slams foot control pneumatic operated valve 11, and spring 9 resets, and drags movable block 1 away from the first fixed block 2, and groove 55 and groove 5 are opened, and unclamps the nut of attacking silk, and nut is taken out.Workman steps on foot control pneumatic operated valve 11 by pin, controls movable block 1 and moves, and automaticity is higher, has improved operating efficiency.
Fig. 3 is the structural representation of nut of the present invention in embodiment 1.
Nut 203 in nut 201 in Fig. 3 (a) and Fig. 3 (b) is cylindrical, can just be entrenched in the first circular groove, and inside is penetrated with the screw thread 202 of making.In Fig. 3 (b), the edge of the upper surface of nut 203 also has the solder joint 204 that three equidistant intervals distribute, and solder joint 204 makes nut 203 be more suitable for welding.
Embodiment effect and effect
According to the detent mechanism of the present embodiment and chasing bar, because fixed cell has movable block and the first fixed block, movable block and the first fixed block are provided with the groove that cross section is semicircle, two just in time binding nut bases of the first circular groove that groove closure forms afterwards, when so tapping process plug tap applies power to nut base, nut base can not move completely, and inner screw thread is pushed ahead by predefined paths, thereby has improved the precision of tapping;
In addition, the first circular groove forming afterwards due to two groove closures in fixed cell is just to screw tap, so be clamped in nut base in the first circular groove also just to screw tap, makes to manufacture the position of screw thread and the screw tap of top is completely corresponding, there will not be deviation, thereby improved the precision of tapping.
In addition, the jump ring larger due to damping on pull bar is removed, and the damping of pull bar is reduced greatly, and therefore workman dials lower link does not need to expend too many strength; And on pull bar, be provided with spring, can, automatically by the pull bar forced back under dialling, not need manually to reverse; Thereby greatly reduce workman's working strength.
In addition, owing to below the first circular groove at binding nut base, the second circular groove being set, so screw tap can continue after by nut base downwards, thereby can ensure that nut base can bore nut base completely, there will not be the incomplete situation of internal whorl.
< embodiment 2>
In the present embodiment 2, for embodiment 1 in identical structure, give identical symbol, and omit identical explanation.
Fig. 4 is the fixed cell structural representation in embodiment 2 the present invention relates to.
Detent mechanism comprises fixed cell 62, driver element 61 and storaging bucket (not shown).As shown in Figure 4, fixed cell 62 comprises movable block 1, the first fixed block 2, the second fixed block 7, ambulatory splint 31, strap 41 and the 3rd fixed block 8.
On movable block 1 and the first fixed block 2, be respectively arranged with rectangular ambulatory splint 31 and strap 41.On ambulatory splint 31 and strap 41, be respectively arranged with groove 15 and groove 17 that cross section is semicircle, after groove 15 and groove 17 are closed, form the first circular groove.Half side being applied on ambulatory splint 31 in a left side of the first circular groove, the right side of the first circular groove is half side to be applied on strap 41.The limit, left side of the first fixed block 1 is penetrated with the second circular groove 16.The diameter of the second circular groove 16 is less than the diameter of the first circular groove and is greater than the diameter of screw tap 52.
The half side below that is positioned at groove 17, the right side of the second circular groove 16.The limit, left side of the first fixed block 2 is more to the left than the limit, left side of strap 41.The right edge of movable block 1 is more to the right than the right edge of ambulatory splint 31.Movable block 1 and the first fixed block 2 mutually near time, can make ambulatory splint 31 and strap 41 press close to, closed first circular grooves that form of groove 15 and groove 17.The first circular groove is just to screw tap 52 and binding nut base 20 just.The second circular groove 16 is positioned at the first circular groove below.
The cross section of the depth direction of groove 15 and groove 17 is stepped, makes the cross section of the first circular groove become two-stage cylindrical, can adapt to the nut base 20 of two kinds of different-diameters.Nut base 20 is clamped in the first circular groove, and edge is carried on the second circular groove 16 around.When screw tap 52 moves downward, while boring nut base 20, the second circular groove can hold screw tap 52.
First nut base 20 is placed in groove 17, nut base 20 belows are carried on the second circular groove 16 around, do not need with hand steered live.Then, pin slams foot control pneumatic operated valve 11, can produce power, promotes connecting rod 10 and rotates around middle part 20, makes spring 9 compressed, promotes movable block 1 and shifts to the first fixed block 2.Groove 15 on ambulatory splint 31 and strap 41 and groove 17 closed formation the first circular grooves, and the nut base 20 of fixedly putting into.Then, dial lower link 50, screw tap 52 moves downward and bores saturating nut base 20, and enters into the second circular groove 16.
After tapping process completes, screw tap 52 moves upward, and unclamps the pin that slams foot control pneumatic operated valve 11, and spring 9 resets, and drags movable block 1 away from the first fixed block 2, and groove 15 and groove 17 are opened, and unclamps the nut 201 of attacking silk, and nut 201 is taken out.
Embodiment effect and effect
The detent mechanism that the present embodiment relates to and chasing bar, in thering is embodiment 1 identical effect, due to forming before two groove closures of the first circular groove, do not need workman with hand steered live, thereby improved the security operating.
< embodiment 3>
The detent mechanism of the present embodiment 3 is that the detent mechanism in embodiment 1 is made a change and obtained, concrete variation is in the fixed cell 60 of Fig. 2, remove ambulatory splint 3 and strap 4, groove 55 and groove 5 are directly dug on movable block 1 and the first fixed block 2 respectively.
Other effects of the detent mechanism of the present embodiment 3 are identical with the detent mechanism in embodiment 1.
Certainly the detent mechanism, the present invention relates to and chasing bar are not merely defined in the structure in above embodiment.It is multistage cylindrical that the cross section of the first circular groove can also be, and can adapt to the nut base of multiple different-diameter.
Claims (9)
1. a detent mechanism, is positioned on the tapping operating desk of screw tap below, at tapping process hold-down nut base, it is characterized in that, comprising:
Be arranged on the fixed cell for fixing described nut base on described tapping operating desk; And
The driver element being connected with described fixed cell,
Wherein, described fixed cell has movable block and the first fixed block, and described movable block and the first fixed block are provided with the groove that cross section is semicircle, and two described groove subtends arrange and closed rear first circular groove that forms, described the first circular groove and the setting of described screw tap subtend and just clamp described nut base
The both sides of described movable block are provided with the second fixed block and the 3rd fixed block, the chute that described the second fixed block and the common formation of described the 3rd fixed block can allow described movable block slide therein,
Described in described drive unit drives, movable block is shifted to described the first fixed block, closed two described grooves fixing described nut base.
2. detent mechanism according to claim 1, is characterized in that:
Wherein, on described movable block and described the first fixed block, be respectively arranged with ambulatory splint and strap, half side being applied on described ambulatory splint in a left side of described the first circular groove, half side being applied on described strap in the right side of described the first circular groove, on described movable block and described the first fixed block, be penetrated with respectively the groove that cross section is semicircle, two described groove closures form the second circular groove that is positioned at described the first circular groove below afterwards, and the diameter of described the second circular groove is less than the diameter of described the first circular groove and is greater than the diameter of described screw tap.
3. detent mechanism according to claim 1, is characterized in that:
Wherein, on described movable block and described the first fixed block, be respectively arranged with ambulatory splint and strap, half side being applied on described ambulatory splint in a left side of described the first circular groove, half side being applied on described strap in the right side of described the first circular groove, on described the first fixed block, run through second circular groove that has that is positioned at described strap left, described movable block to described the first fixed block near time, described ambulatory splint and described strap are pressed close to, two described groove closed formation the first circular grooves and described the second circular groove are positioned at described the first circular groove below, the diameter of described the second circular groove is less than the diameter of described the first circular groove and is greater than the diameter of described screw tap.
4. detent mechanism according to claim 1, is characterized in that:
Wherein, described driver element comprises the connecting rod that one end is connected by spring with described portable plate, and the other end of described connecting rod connects foot-propelled valve, and the middle part of described connecting rod is rotatably connected on described tapping operating desk,
Rotate when described foot-propelled valve promotes described connecting rod, spring is compressed, promotes described movable block and shifts to described the first fixed block; When described foot-propelled valve quits work, described spring reset, drags described movable block away from described the first fixed block, and two described grooves are opened and unclamped the nut of attacking silk.
5. detent mechanism according to claim 1, is characterized in that:
Wherein, the cross section of the depth direction of described groove is stepped, and two described groove closures form the multistage cylinder shape groove of the described nut base that adapts to different-diameter afterwards.
6. detent mechanism according to claim 1, is characterized in that, also comprises:
Be arranged on described fixed cell other for depositing the storaging bucket of described nut base.
7. detent mechanism according to claim 1, is characterized in that:
Wherein, described foot-propelled valve is foot control pneumatic operated valve.
8. a chasing bar, is characterized in that, comprising:
Detent mechanism;
Be positioned at the tapper mechanism of described detent mechanism top;
Be connected the controlling organization of the screw tap lifting for controlling described tapper mechanism with described tapper mechanism,
Wherein, described detent mechanism is the claims 1 to the detent mechanism described in any one in claim 7,
Described controlling organization is provided with return unit.
9. chasing bar according to claim 8, is characterized in that:
Wherein, described controlling organization has pull bar, and described return unit is the spring being connected between described pull bar and described tapper mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374429.7A CN104139221A (en) | 2014-07-31 | 2014-07-31 | Positioning mechanism and tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374429.7A CN104139221A (en) | 2014-07-31 | 2014-07-31 | Positioning mechanism and tapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104139221A true CN104139221A (en) | 2014-11-12 |
Family
ID=51848652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410374429.7A Pending CN104139221A (en) | 2014-07-31 | 2014-07-31 | Positioning mechanism and tapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723514A (en) * | 2018-07-23 | 2018-11-02 | 浙江强毅机械科技有限公司 | A kind of horizontal equidistant nut tapping machine |
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|---|---|---|---|---|
| US550208A (en) * | 1895-11-19 | Island | ||
| US1387092A (en) * | 1920-07-12 | 1921-08-09 | Nat Screw And Tack Company | Nut-castellating machine |
| CN201120505Y (en) * | 2007-12-14 | 2008-09-24 | 金德精密配件（苏州）有限公司 | Single-head threading machine |
| CN202491103U (en) * | 2012-02-17 | 2012-10-17 | 舟山市7412工厂 | Automatic clamping device for nub boring or tapping |
| CN102990425A (en) * | 2012-12-18 | 2013-03-27 | 济南玫德铸造有限公司 | Combined fixture of drilling machine |
| CN202894807U (en) * | 2012-11-06 | 2013-04-24 | 苏州精协机械制造有限公司 | Thread grinding fixture for screw taps |
| CN203509244U (en) * | 2013-08-22 | 2014-04-02 | 许昌四达电力设备有限公司 | Nut tapping die |
| CN203956257U (en) * | 2014-07-31 | 2014-11-26 | 上海永太汽车零部件厂 | Detent mechanism and chasing bar |
-
2014
- 2014-07-31 CN CN201410374429.7A patent/CN104139221A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US550208A (en) * | 1895-11-19 | Island | ||
| US1387092A (en) * | 1920-07-12 | 1921-08-09 | Nat Screw And Tack Company | Nut-castellating machine |
| CN201120505Y (en) * | 2007-12-14 | 2008-09-24 | 金德精密配件（苏州）有限公司 | Single-head threading machine |
| CN202491103U (en) * | 2012-02-17 | 2012-10-17 | 舟山市7412工厂 | Automatic clamping device for nub boring or tapping |
| CN202894807U (en) * | 2012-11-06 | 2013-04-24 | 苏州精协机械制造有限公司 | Thread grinding fixture for screw taps |
| CN102990425A (en) * | 2012-12-18 | 2013-03-27 | 济南玫德铸造有限公司 | Combined fixture of drilling machine |
| CN203509244U (en) * | 2013-08-22 | 2014-04-02 | 许昌四达电力设备有限公司 | Nut tapping die |
| CN203956257U (en) * | 2014-07-31 | 2014-11-26 | 上海永太汽车零部件厂 | Detent mechanism and chasing bar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723514A (en) * | 2018-07-23 | 2018-11-02 | 浙江强毅机械科技有限公司 | A kind of horizontal equidistant nut tapping machine |
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Application publication date: 20141112 |