CN103769697A - Automatic tapping machine of oxygen sensor nut - Google Patents
Automatic tapping machine of oxygen sensor nut Download PDFInfo
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- CN103769697A CN103769697A CN201410071060.2A CN201410071060A CN103769697A CN 103769697 A CN103769697 A CN 103769697A CN 201410071060 A CN201410071060 A CN 201410071060A CN 103769697 A CN103769697 A CN 103769697A
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- relay
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Abstract
The invention discloses an automatic tapping machine of an oxygen sensor nut. The automatic tapping machine comprises a worktable, an electric control device fixedly connected to the worktable, a positioning device and a holder both fixedly connected to the table top of the worktable, a lifting mechanism fixedly connected to the holder, a power mechanism connected with the lifting mechanism, a speed change mechanism connected with the output end of the power mechanism and a tapping mechanism connected with the output end of the speed change mechanism, wherein the electric control device is electrically connected with the lifting mechanism and the power mechanism; the tapping mechanism comprises a torque limiter and a tapping bolt; the input end of the torque limiter is connected with the output end of the speed change mechanism, while the output end of the torque limiter is connected with one end of the tapping bolt. The torque limiter of the automatic tapping machine is capable of detecting the magnitude of resistance in the oxygen sensor nut, enabling effective overload protection of the tapping mechanism to be created or automatically removing welding slag and foreign materials in the torque range, and furthermore, the assembly coincidence rate of parts of a catalyzer assembly is increased and the labor intensity of the operating personnel is reduced. The automatic tapping machine is applicable to automatic tapping of the oxygen sensor nut.
Description
Technical field
The invention belongs to field of machining, relate in particular to Tapping Technology, specifically a kind of automatic screw setting machine of lambda sensor nut.
Background technology
Lambda sensor is to reduce requisite element on the engine of exhaust pollution with catalyst converter, it is in order to detect the concentration of oxygen in exhaust, and send feedback signal to ECU, then controlled the increase and decrease of fuel injector distributive value by ECU, thus the air-fuel ratio of gaseous mixture is controlled near theoretical value.
Lambda sensor nut adopts welding manner to be fixed on automobile exhaust pipe, therefore in welding process, inevitably there will be welding slag and splashes.And welding slag on cleaning lambda sensor nut thread is very difficult, and welding slag also can affect the assembling coincidence rate of gas extraction system on car load.
At present, lambda sensor nut is mainly realized tapping by automatic tapping machine, and the screw tap of automatic tapping machine can not detect on lambda sensor nut, whether there is welding slag, and screw tap easily produces injury to the screw thread of lambda sensor nut, cause scrapping of total member, the complex structure of automatic tapping machine in addition, cost is high.
Chinese invention patent application (application number: 201210389390.7) disclose " a kind of screw thread silk rolling device ", cause accuracy of thread not reach the problem of requirement for solving screw thread because of sweating heat distortion and oil paint coating, this silk rolling device comprises base, bearing block, bearing holder (housing, cover), main shaft, friction pulley, vertical shaft, friction-bar, bearing block is two, two bearing blocks are fixed on base two ends, the cylindrical of friction pulley is provided with cone of friction, friction pulley is two, two friction pulleys are assemblied on main shaft by interference tight fit, and two friction pulleys are oppositely installed on main shaft; Bearing holder (housing, cover) is two, and bearing holder (housing, cover) is assemblied on bearing block by interference tight fit; The two end supports of main shaft is in bearing sleeve, and main shaft can rotate freely and slide; The frictional contact surface of friction-bar is the conical surface, and friction-bar is fixed on the small end of vertical shaft, and vertical shaft is fixed on equipment rotary main shaft.This silk rolling device need to use with the coordinative composition of equipments with rotary main shaft, when screw thread silk rolling, also needs to promote manually main shaft, makes automaticity low; In addition, the main shaft of this silk rolling device relies on the friction pressure rotation of friction-bar to friction pulley, can cause rotary speed inequality, and then make silk rolling effect not good enough.
Summary of the invention
For solving the above deficiency existing in prior art; the invention provides a kind of automatic screw setting machine of lambda sensor nut; the torque limiter of its silk rolling mechanism can detect the size of resistance in lambda sensor nut; Neng Shi silk rolling mechanism effectively forms overload protection; or automatically remove welding slag and the foreign matter in torque range; and then the assembling coincidence rate of raising catalytic converter assembly parts, reduce operating personnel's labour intensity.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of automatic screw setting machine of lambda sensor nut, it comprises workbench, actuating unit, silk rolling mechanism, it also comprises and being connected with actuating unit for the elevating mechanism of controlling actuating unit lifting, the gear that input is connected with the output of actuating unit and output is connected with the input of silk rolling mechanism, and is fixed on the electric control gear on workbench;
Described electric control gear is electrically connected with elevating mechanism, actuating unit;
The positioner, the holder that on described table surface, connect firmly the catalyst converter for fixedly making lambda sensor nut location, described elevating mechanism is fixed on holder;
Described silk rolling mechanism comprises torque limiter, silk rolling bolt; The input of described torque limiter is connected with the output of gear, and output is connected with one end of silk rolling bolt.
As limitation of the invention, described silk rolling mechanism also comprises silk rolling bolt clamp module; The output of described torque limiter is connected with silk rolling bolt by silk rolling bolt clamp module.
As further restriction, the fixed muffle that described silk rolling bolt clamp module comprises the closing sleeve that is connected with torque limiter output, connects firmly with closing sleeve bottom;
One end of described silk rolling bolt is fixed by closing sleeve, and the other end is passed down through fixed muffle;
On described fixed muffle, radially interval is fixedly connected with multiple caging bolts fixed muffle sidewall, that move radially with restriction silk rolling bolt for propping up silk rolling bolt outer wall that run through.
As to another kind of restriction of the present invention, described elevating mechanism comprises the cylinder that is fixed on holder, is fixed on the vertical slide rail arranging on holder, connects firmly and be stuck in the slide block that can slide along slide rail on slide rail with the cylinder rod of cylinder.
As further restriction, described actuating unit is the motor connecting firmly with slide block.
As further limiting, described motor is threephase asynchronous again.
As further limiting, described gear is cycloid pin gear planet speed reducer, and the power shaft of cycloid pin gear planet speed reducer is connected with motor output shaft, and output shaft is connected with torque limiter input.
As the third of invention limited, the table top of described workbench is provided with fluting, and described positioner comprises the base that is installed on fluting, is fixed on base for supporting the support column of catalyst converter.
The present invention also has a kind of restriction:
1. described electric control gear comprises electric cabinet, and by the control circuit based on PLC control system of electric cabinet control, wherein:
2. described control cabinet comprises control panel, and control panel is provided with the indicator lamp being electrically connected with control circuit respectively, manual automatic transfer switch, rising switch, decline switch, forward switch, reversal switch;
3. described control circuit comprises cylinder rise control circuit, cylinder decline control circuit, motor forward control circuit, motor reverse turn control circuit.
As further restriction:
1. described cylinder rise control circuit comprises rising switch, vertical relay, rise time relay, the first rising control relay; Described rising switch and vertical relay are serially connected in both ends of power, and vertical relay contact and rise time relay are serially connected in both ends of power, and the first rising control relay is serially connected in the two ends of rising switch;
2. described cylinder decline control circuit comprises decline switch, down relay, fall time relay, the first decline control relay; Described decline switch and down relay are serially connected in both ends of power, down relay contact and fall time relay be serially connected in both ends of power, the first decline control relay is serially connected in the two ends of decline switch;
3. described motor forward control circuit comprises forward switch, forward relay, the forward time relay, the first forward control relay; Described forward switch and forward relay are serially connected in both ends of power, and forward relay contact and the forward time relay are serially connected in both ends of power, and the first forward control relay is serially connected in the two ends of forward switch;
4. described motor reverse turn control circuit comprises reversal switch, reversion relay, back spin timer, the first reversion control relay; Described reversal switch is serially connected in both ends of power with reversion relay, and reversion relay contact and back spin timer are serially connected in both ends of power, and the first reversion control relay is serially connected in the two ends of reversal switch.
Owing to having adopted technique scheme, compared with prior art, obtained technological progress is in the present invention:
(1) torque limiter of silk rolling of the present invention mechanism can detect the size of resistance in lambda sensor nut, when the resistance detecting is greater than while setting torque value, only has actuating unit idle running, does not drive silk rolling mechanism to rotate, and effectively forms overload protection; In the time that the resistance detecting is less than setting torque value, silk rolling mechanism rotates, and silk rolling bolt can be removed welding slag and the foreign matter in torque range automatically;
(2) closing sleeve of silk rolling bolt clamp module is used for blocking silk rolling bolt, and the size of closing sleeve is set according to the model of lambda sensor nut; Caging bolt on fixed muffle is used for propping up silk rolling bolt outer wall, moves radially and prevent that to limit silk rolling bolt it from coming off;
(3) elevating mechanism is used for driving actuating unit, gear and the lifting of silk rolling mechanism, actuating unit is used to gear and silk rolling mechanism that power is provided, and drive gear and silk rolling bolt forward or reverse, gear is for changing the speed of silk rolling bolt forward or reverse, finally to reach the object of lambda sensor nut silk rolling;
(4) base of positioner clamps and is connected with fluting, and base can be departed from from workbench, after the silk rolling of lambda sensor nut completes, can realize base quick-replaceable;
(5) electric control gear is used for controlling the automatic silk rolling of this screw setting machine, can realize manually, the switching of automatic mode and the operation of periodic duty.
The present invention is suitable for the automatic silk rolling of lambda sensor nut.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the present invention is done further to describe in detail.
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2-3 are respectively right view, top view embodiment illustrated in fig. 1;
Fig. 4 is the schematic diagram of the control circuit of the embodiment of the present invention;
Fig. 5 is the circuit diagram of the motor 6 of the embodiment of the present invention;
Fig. 6 is the control program figure based on PLC control system of the embodiment of the present invention.
In figure: 1, workbench; 2, holder; 3, cylinder; 4, slide rail; 5, slide block; 6, motor; 7, cycloid pin gear planet speed reducer; 8, torque limiter; 9, closing sleeve; 10, fixed muffle; 11, caging bolt; 12, silk rolling bolt; 13, base; 14, support column; 15, catalyst converter; 16, control cabinet; 17, control panel; 18, fixed head; 19, cylinder rod; SB
0, emergency stop switch; SB
1, rising switch; SB
2, decline switch; SB
3, forward switch; SB
4, reversal switch; I
0, rising inductive switch; I
1, decline inductive switch; I
2, forward inductive switch; I
3, manual automatic transfer switch; I
4, starting switch; KA1, vertical relay; KA2, the lower relay that rises; KA3, forward relay; KA4, reversion relay; KT1, rise time relay; KT2, fall time relay; KM1, the forward time relay; KM2, back spin timer; Q
0, the first rising control relay; Q
1, the first forward control relay; Q
2, first reversion control relay; Q
3, the first decline control relay; M
0, the second decline control relay; M
1, the second forward control relay; M
2, second reversion control relay; M
3, the second rising control relay; T
0, reversion time delay relay; T
1, rising time delay relay; T
2, forward time delay relay; T
3, be automatically converted into manually after rising time delay relay.
The specific embodiment
Embodiment
An automatic screw setting machine for lambda sensor nut, as Figure 1-3, it comprises workbench 1, holder 2, elevating mechanism, actuating unit, gear, silk rolling mechanism, positioner and electric control gear to structure.Wherein:
1. holder 2 is the perpendicular platy structure of putting, and bottom is fixed on the table top of workbench 1, and the top place of holder 2 sidewalls is fixedly connected with fixed head 18.
2. elevating mechanism comprises cylinder 3, slide rail 4 and slide block 5, and slide block 4 is positioned at fixed head 18 belows, and vertical setting is fixed on the sidewall of holder 2; Cylinder 3 is fixed on fixed head 18, and the cylinder rod 19 of cylinder 3 is passed down through fixed head 18 and connects firmly with slide block 5; Slide block 5 is stuck on slide rail 4 and can moves up and down along slide rail 4.
3. actuating unit comprises the motor 6 connecting firmly with slide block 5 sidewalls, the threephase asynchronous that the motor 6 of the present embodiment is 120W.
4. gear comprises cycloid pin gear planet speed reducer 7, and its power shaft is connected with the output shaft of motor 6.
5. silk rolling mechanism comprises torque limiter 8, silk rolling bolt 12 and the silk rolling bolt clamp module being made up of closing sleeve 9 and fixed muffle 10, the input of torque limiter 8 is connected with the output shaft of cycloid pin gear planet speed reducer 7, the top of output and closing sleeve 9 connects firmly, and the top of the bottom of closing sleeve 9 and fixed muffle 10 connects firmly.One end of silk rolling bolt 12 is fixed by closing sleeve 9, and the other end is passed down through fixed muffle 10.Fixed muffle 10 is in being axially arranged with two caging bolts 11 that run through fixed muffle 10 sidewalls, and caging bolt 11, for propping up silk rolling bolt 12 outer walls, moves radially and prevent that to limit silk rolling bolt 12 it from coming off.
6. positioner comprises base 13 and support column 14.The table top of workbench 1 is provided with fluting, and it is upper that base 13 is installed in fluting, and support column 14 is fixed on base 13, for supporting catalyst converter 15.
7. electric control gear comprises electric cabinet 16 and the control circuit based on PLC control system.Control cabinet comprises control panel 17, and control panel 16 is provided with indicator lamp, emergency stop switch SB
0, manual automatic transfer switch I
3, rising switch S B
1, decline switch S B
2, forward switch S B
3, reversal switch SB
4.
Control circuit comprises cylinder rise control circuit, cylinder decline control circuit, motor forward control circuit, motor reverse turn control circuit.
As shown in Figure 4, cylinder rise control circuit comprises rising switch S B
1, vertical relay KA1, rise time relay K T1, the first rising control relay Q
0; Rising switch S B
1kA1 is serially connected in both ends of power with vertical relay, and vertical relay KA1 contact and rise time relay K T1 are serially connected in both ends of power, the first rising control relay Q
0be serially connected in rising switch S B
1two ends;
Cylinder decline control circuit comprises decline switch S B
2, down relay KA2, fall time relay K T2, the first decline control relay Q
3, decline switch S B
2kA2 is serially connected in both ends of power with down relay, down relay KA2 contact and fall time relay K T2 be serially connected in both ends of power, the first decline control relay Q
3be serially connected in decline switch S B
2two ends;
Motor forward control circuit comprises forward switch S B
3, forward relay K A3, forward time relay KM1 the first forward control relay Q
1, forward switch S B
3a3 is serially connected in both ends of power with forward relay K, and forward relay K A3 contact and forward time relay KM1 are serially connected in both ends of power, the first forward control relay Q
1be serially connected in forward switch S B
3two ends;
Motor reverse turn control circuit comprises reversal switch SB
4, reversion relay K A4, back spin timer KM2, the first reversion control relay Q
2, reversal switch SB
4a4 is serially connected in both ends of power with reversion relay K, and reversion relay K A4 contact and back spin timer KM2 are serially connected in both ends of power, the first reversion control relay Q
2be serially connected in reversal switch SB
4two ends.
The operation principle of the present embodiment as shown in Figure 6, starts manual automatic transfer switch I
3, decline inductive switch I
1closure, the second decline control relay M
0coil conducting, and then the first decline control relay Q
3coil conducting, make the conducting of cylinder decline control circuit, cylinder 3 air inlets, promote cylinder rod 19 and move downward, and then driving electric machine 6, cycloid pin gear planet speed reducer 7, torque limiter 8 and silk rolling bolt 12 move downward.
In the time dropping to setting stroke, forward time delay relay T
2coil conducting, time delay is after 1.5 seconds, forward inductive switch I
2closure, the second forward control relay M
1coil conducting, and then the first forward control relay Q
1coil conducting, make the conducting of motor forward control circuit, as shown in Fig. 4-5, and then driving electric machine 6, cycloid pin gear planet speed reducer 7, torque limiter 8 and silk rolling bolt 12 forwards, with to the silk rolling of lambda sensor nut.
When forward reaches forward inductive switch I
2while setting stroke, reversion time delay relay T
0coil conducting, time delay is after 1 second, forward inductive switch I
0closure, the second reversion control relay M
2coil conducting, and then the first reversion control relay Q
2coil conducting, make the conducting of motor reverse turn control circuit, as shown in Fig. 4-5, and then driving electric machine 6, cycloid pin gear planet speed reducer 7, torque limiter 8 and silk rolling bolt 12 reverse, with to the silk rolling of lambda sensor nut.
The second reversion control relay M
2coil conducting after, when reversion reaches rising inductive switch I
0time delay relay T rises while setting stroke
1coil conducting, reach rising time delay relay T
1setting-up time after, the second rising control relay M
3coil conducting, and then the first rising control relay Q
0coil conducting, make the conducting of cylinder rise control circuit, and then driving electric machine 6, cycloid pin gear planet speed reducer 7, torque limiter 8 and silk rolling bolt 12 move upward, complete the process to the silk rolling of lambda sensor nut.
In the time that this automatic screw setting machine runs into unusual condition, can be by emergency stop switch SB
0, so that it is shut down midway.For guaranteeing that this automatic screw setting machine starts working motor 6 when the top, press starting switch I
4, be automatically converted into manually rear rising time delay relay T
3coil conducting, the second rising control relay M
3coil conducting, and then the first rising control relay Q
0coil conducting, make the conducting of cylinder rise control circuit, and then driving electric machine 6, cycloid pin gear planet speed reducer 7, torque limiter 8 and silk rolling bolt 12 move upward, reach be automatically converted into manually after rising time delay relay T
1setting-up time after, rising stops.
The torque limiter 8 of the present embodiment can detect the size of resistance in lambda sensor nut: in the time that the resistance detecting is greater than setting torque value, only have motor 6 to dally, do not drive silk rolling mechanism to rotate, effectively form overload protection; In the time that the resistance detecting is less than setting torque value, silk rolling mechanism rotates, and silk rolling bolt 12 can be removed welding slag and the foreign matter in torque range automatically.
Claims (10)
1. an automatic screw setting machine for lambda sensor nut, it comprises workbench (1), actuating unit, silk rolling mechanism,
it is characterized in that:it also comprises and being connected with actuating unit for the elevating mechanism of controlling actuating unit lifting, the gear that input is connected with the output of actuating unit and output is connected with the input of silk rolling mechanism, and is fixed on the electric control gear on workbench (1);
Described electric control gear is electrically connected with elevating mechanism, actuating unit;
The positioner, the holder (2) that on described workbench (1) table top, are fixedly connected with the catalyst converter (15) for fixedly making lambda sensor nut location, described elevating mechanism is fixed on holder (2);
Described silk rolling mechanism comprises torque limiter (8), silk rolling bolt (12); The input of described torque limiter (8) is connected with the output of gear, and output is connected with the one end of silk rolling bolt (12).
2. the automatic screw setting machine of a kind of lambda sensor nut according to claim 1,
it is characterized in that:described silk rolling mechanism also comprises silk rolling bolt clamp module; The output of described torque limiter (8) is connected with silk rolling bolt (12) by silk rolling bolt clamp module.
3. the automatic screw setting machine of a kind of lambda sensor nut according to claim 2,
it is characterized in that:the fixed muffle (10) that described silk rolling bolt clamp module comprises the closing sleeve (9) that is connected with torque limiter (8) output, connects firmly with closing sleeve (9) bottom;
One end of described silk rolling bolt (12) is fixing by closing sleeve (9), and the other end is passed down through fixed muffle (10);
On described fixed muffle (10), radially interval is fixedly connected with multiple caging bolts (11) fixed muffle (10) sidewall, that move radially with restriction silk rolling bolt (12) for propping up silk rolling bolt (12) outer wall that run through.
4. the automatic screw setting machine of a kind of lambda sensor nut according to claim 1,
it is characterized in that:described elevating mechanism comprises the cylinder (3) that is fixed on holder (2), is fixed on the upper vertical slide rail (4) arranging of holder (2), connecting firmly and be stuck in the cylinder rod (19) of cylinder (3) can be along the slide block (5) of slide rail (4) slip slide rail (4) on.
5. the automatic screw setting machine of a kind of lambda sensor nut according to claim 4,
it is characterized in that:described actuating unit is the motor (6) connecting firmly with slide block (5).
6. the automatic screw setting machine of a kind of lambda sensor nut according to claim 5,
it is characterized in that:described motor (6) is threephase asynchronous.
7. the automatic screw setting machine of a kind of lambda sensor nut according to claim 6,
it is characterized in that:described gear is cycloid pin gear planet speed reducer (7), and the power shaft of cycloid pin gear planet speed reducer (7) is connected with motor (6) output shaft, and output shaft is connected with torque limiter (8) input.
8. the automatic screw setting machine of a kind of lambda sensor nut according to claim 1,
it is characterized in that:the table top of described workbench (1) is provided with fluting, and described positioner comprises the base (13) that is installed on fluting, it is upper for supporting the support column (14) of catalyst converter (15) to be fixed on base (13).
9. the automatic screw setting machine of a kind of lambda sensor nut according to claim 1,
it is characterized in thatdescribed electric control gear comprises electric cabinet (16), and the control circuit based on PLC control system of being controlled by electric cabinet (16), wherein:
Described control cabinet (16) comprises control panel (17), and control panel (17) is provided with the indicator lamp, the emergency stop switch (SB that are electrically connected with control circuit respectively
0), manual automatic transfer switch (I
3), rising switch (SB
1), decline switch (SB
2), forward switch (SB
3), reversal switch (SB
4);
Described control circuit comprises cylinder rise control circuit, cylinder decline control circuit, motor forward control circuit, motor reverse turn control circuit.
10. the automatic screw setting machine of a kind of lambda sensor nut according to claim 9,
it is characterized in that:
Described cylinder rise control circuit comprises rising switch (SB
1), vertical relay (KA1), rise time relay (KT1), the first rising control relay (Q
0); Described rising switch (SB
1) being serially connected in both ends of power with vertical relay (KA1), vertical relay (KA1) contact and rise time relay (KT1) are serially connected in both ends of power, the first rising control relay (Q
0) be serially connected in rising switch (SB
1) two ends;
Described cylinder decline control circuit comprises decline switch (SB
2), down relay (KA2), relay fall time (KT2), the first decline control relay (Q
3); Described decline switch (SB
2) being serially connected in both ends of power with down relay (KA2), down relay (KA2) contact and relay fall time (KT2) are serially connected in both ends of power, the first decline control relay (Q
3) be serially connected in decline switch (SB
2) two ends;
Described motor forward control circuit comprises forward switch (SB
3), forward relay (KA3), the forward time relay (KM1), the first forward control relay (Q
1); Described forward switch (SB
3) being serially connected in both ends of power with forward relay (KA3), forward relay (KA3) contact and the forward time relay (KM1) are serially connected in both ends of power, the first forward control relay (Q
1) be serially connected in forward switch (SB
3) two ends;
Described motor reverse turn control circuit comprises reversal switch (SB
4), reversion relay (KA4), back spin timer (KM2), the first reversion control relay (Q
2); Described reversal switch (SB
4) being serially connected in both ends of power with reversion relay (KA4), reversion relay (KA4) contact and back spin timer (KM2) are serially connected in both ends of power, the first reversion control relay (Q
2) be serially connected in reversal switch (SB
4) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071060.2A CN103769697B (en) | 2014-02-28 | 2014-02-28 | A kind of automatic screw setting machine of lambda sensor nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071060.2A CN103769697B (en) | 2014-02-28 | 2014-02-28 | A kind of automatic screw setting machine of lambda sensor nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103769697A true CN103769697A (en) | 2014-05-07 |
| CN103769697B CN103769697B (en) | 2016-05-04 |
Family
ID=50562713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071060.2A Active CN103769697B (en) | 2014-02-28 | 2014-02-28 | A kind of automatic screw setting machine of lambda sensor nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103769697B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372090A (en) * | 2020-09-24 | 2021-02-19 | 常州市常光光学仪器有限公司 | Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine |
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|---|---|---|---|---|
| US3105982A (en) * | 1958-07-02 | 1963-10-08 | Hamilton Tool Co | Tapping machine having tapping head and drive means adjustably mounted on a support post |
| CN201752800U (en) * | 2009-12-23 | 2011-03-02 | 成都科海自动化设备有限公司 | Vibrating tapping machine capable of removing chips frequently |
| CN201792057U (en) * | 2010-09-02 | 2011-04-13 | 江西铜业股份有限公司 | Overload-protection wire twisting chuck |
| CN202052996U (en) * | 2010-12-15 | 2011-11-30 | 贵州大学 | Accurate control device for rolling force of lower fillet of high-strength bolt head |
| CN202240004U (en) * | 2011-08-30 | 2012-05-30 | 重庆市北碚区枫火机械制造有限公司 | Nut clipping apparatus |
| CN202291703U (en) * | 2011-10-09 | 2012-07-04 | 东风(十堰)车身部件有限责任公司 | Automatic pneumatic threading machine |
-
2014
- 2014-02-28 CN CN201410071060.2A patent/CN103769697B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105982A (en) * | 1958-07-02 | 1963-10-08 | Hamilton Tool Co | Tapping machine having tapping head and drive means adjustably mounted on a support post |
| CN201752800U (en) * | 2009-12-23 | 2011-03-02 | 成都科海自动化设备有限公司 | Vibrating tapping machine capable of removing chips frequently |
| CN201792057U (en) * | 2010-09-02 | 2011-04-13 | 江西铜业股份有限公司 | Overload-protection wire twisting chuck |
| CN202052996U (en) * | 2010-12-15 | 2011-11-30 | 贵州大学 | Accurate control device for rolling force of lower fillet of high-strength bolt head |
| CN202240004U (en) * | 2011-08-30 | 2012-05-30 | 重庆市北碚区枫火机械制造有限公司 | Nut clipping apparatus |
| CN202291703U (en) * | 2011-10-09 | 2012-07-04 | 东风(十堰)车身部件有限责任公司 | Automatic pneumatic threading machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372090A (en) * | 2020-09-24 | 2021-02-19 | 常州市常光光学仪器有限公司 | Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103769697B (en) | 2016-05-04 |
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