CN103447813A - Automatic tightening machine for screws and nuts - Google Patents
Automatic tightening machine for screws and nuts Download PDFInfo
- Publication number
- CN103447813A CN103447813A CN2013104031771A CN201310403177A CN103447813A CN 103447813 A CN103447813 A CN 103447813A CN 2013104031771 A CN2013104031771 A CN 2013104031771A CN 201310403177 A CN201310403177 A CN 201310403177A CN 103447813 A CN103447813 A CN 103447813A
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Abstract
The invention discloses an automatic tightening machine for screws and nuts. The automatic tightening machine comprises a screw conveying device, a nut conveying device, a screw twisting device, a positioning device for automatically assembling screws and nuts, and a circuit control system, wherein the screw conveying device comprises a storage barrel (1) and a conveying guide rail (11), the nut conveying device comprises a storage barrel (2) and a transmitting guide rail (12), the screw twisting device is positioned above the positioning device, the screw twisting device and the positioning device are connected with a program control circuit through lines, and the bottom of the positioning device is provided with a passage for automatically discharging combinations. The automatic tightening machine has the advantages that in order to fully automatically combine the screws with the nuts to be tightened together, when the tightening force is not enough, an inductor automatically sends out alarm information for secondary tightening, and if the tightening force still cannot meet the set tightening force, automatic stop is carried out, so that the quality of assembled products is effectively improved, the processing efficiency is greatly improved, and the quality of processed products is effectively ensured.
Description
Technical field
The present invention relates to a kind of apparatus for assembling, especially refer to a kind of automatic screwing device of screw and nut.
Background technology
Existing a kind of patent No. is that the Chinese invention patent that the CN201310099682.1 name is called " a kind of screw and nut automatic assembling " discloses a kind of screw and nut automatic assembling, and comprising: screw turns to slideway, device for delivering screws, screw-clamped device, adjusting device, nut loader, nut propulsion plant, nut driving Working head device, frame and electric control system; Wherein, screw turn to slideway by directed screw conveying to device for delivering screws, and sent one by one to the screw-clamped device screw clamping that is positioned in the screw-clamped device by device for delivering screws; The nut loader is delivered to the nut propulsion plant by the nut orientation by slideway, emit one by one and push the nut driving Working head device by the nut propulsion plant, the nut driving Working head device rotates nut and pushes it against the screw that is positioned and clamps, nut and screw are screwed together, and complete automatic Composition.The screw and nut automatic assembling reliability of this invention is high, with low cost, simple in structure, realizes the screw and nut automatic Composition, has overcome that manual assembly production efficiency is low, labour intensity is high and assemble the problems such as not in place, as to collide with in surface.Yet, screw need to be put on right position one by one and comparatively be bothered, and due to screw as localization part, keep motionless, nut pushes after nut driving working head clamping and will transport a segment distance and coordinate with screw, so efficiency of assembling is low, and operation is also dangerous, employee's labour intensity is large, so the structure of this device also needs further improvement.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of for above-mentioned prior art present situation can and can control the tightening machine that screw and nut is tightened dynamics by the screw and nut automatic tightening.
The present invention solves the problems of the technologies described above adopted technical scheme: the automatic screwing device of this screw and nut, comprise device for delivering screws, nut conveying device, the screw screwing device, the positioner of screw and nut automatic Composition, circuit control system, it is characterized in that: described device for delivering screws comprises material stock cylinder and the conveying that can make the screw automatically rule arrange by vibrator, one end of described conveying is connected with the helical orbit on material stock cylinder top, the described conveying other end extends to the top of positioner, nut conveying device comprises material storage tube and the transmission guide rail that can make the nut automatically rule arrange by vibrator, one end of described transmission guide rail is connected with the spiral track of material storage tube upper end, the other end of described transmission guide rail extends to the top of positioner, described conveying be positioned at transmit guide rail directly over, being positioned at above the position of positioner, be provided with can be by the screw after combination and the screw screwing device of nut screwing clamping, described screw screwing device, positioner is connected with programme control circut by circuit respectively, be provided with the passage that the assembly of the screw after tightening and nut can be discharged automatically in the bottom that is positioned at positioner.
As improvement, described positioner is positioned on the boss of frame, and there is the inner chamber that assembly can be passed through described boss inside, and a side of described boss is provided with the outlet of inner chamber, and described inner chamber bottom surface is the low high inclined-plane, place that enters, exit.
As improvement, the structure of described positioner can be preferably: comprise the screw fixed block, be positioned at transmit the guide rail below and by programme control circut, controlled can clamping screw nut clamping device, described screw fixed block is positioned at the below in conveying exit, on described screw fixed block, the groove that can put into screw is set, and arranges in described groove and screw can be buckled and retractable buckle portion.
As improvement, described clamping device comprises the nut backing plate that can move forward and backward, the clamping plate that can move left and right, one end of described clamping plate is provided with the breach that can block nut one side, and be positioned on the boss of the relative side of breach, arrange and the bayonet socket that can be absorbed in nut, the other end of described clamping plate is connected by the piston rod with in driving mechanism, described nut backing plate one end is positioned at the below of transmitting the guide rail exit, the described nut backing plate other end is connected with the motion bar in drive unit, be provided with the dividing plate that can make screw pass through or stop up in the exit that is positioned at conveying, described dividing plate and drive division link, be provided with in the exit that is positioned at the transmission guide rail parting bead that the energy nut passes through or stops up, described parting bead and driver link, described drive division, driver, drive unit and driving mechanism form loop by wire and programme control circut respectively.
Improve, described drive division, driver, drive unit and driving mechanism can be preferably respectively hydraulic cylinder or cylinder again.
As improvement, described screw screwing device comprise vertical setting and can rotate and can on the stubborn bar that moves down, described stubborn bar be arranged in positioner screw fixed block groove directly over, the bottom of described stubborn bar is provided with when stubborn bar moves down can be placed on the pullover of screw terminal by plug bush type, top and the transmission device of described stubborn bar link, and described transmission device forms loop by wire and programme control circut.
As improvement, the described thrust spring that when pullover, can make screw promote downwards while being placed on screw that also can be provided with in pullover.
As improvement, described thrust spring can be preferably the large volute spring of the little base diameter of top diameter.
Improve, arrange on described stubborn bar and be provided with the inductor that can send warning message when the torsion of twisting bar does not reach setting value, described have inductor to form loop by circuit and programme control circut.
As improvement, be respectively arranged with the inductor that can send warning message when screw or nut obstruction on described conveying and on the transmission guide rail, described have inductor to form loop by circuit and programme control circut.
Compared with prior art, the present invention adopts described device for delivering screws to comprise material stock cylinder and the conveying that can make the screw automatically rule arrange by vibrator, one end of described conveying is connected with the helical orbit on material stock cylinder top, the described conveying other end extends to the top of positioner, nut conveying device comprises material storage tube and the transmission guide rail that can make the nut automatically rule arrange by vibrator, one end of described transmission guide rail is connected with the spiral track of material storage tube upper end, and the other end of described transmission guide rail extends to the top of positioner.This advantage is, can be automatically by screw with together with nut combinations is tightened in, when screwing force is inadequate, inductor can send warning message automatically, tighten for the second time, if again do not reach the dynamics of tightening of setting, the meeting autostop, so effectively improved the combination requirement of screw and nut after the combination, improved the quality of completed knocked down products, this device from start to end, be all that full-automatic process completes, not only improved widely working (machining) efficiency, and effectively guaranteed the quality of converted products, it is unprecedented a kind of innovation, image and the emerging reputation of our company's quality product have been improved significantly, for occuping market provides first chance.
The accompanying drawing explanation
The stereogram that Fig. 1 is the embodiment of the present invention;
The stereogram that Fig. 2 is another angle of Fig. 1;
The front projection figure that Fig. 3 is Fig. 2;
The part-structure exploded view that Fig. 4 is Fig. 1;
The part-structure exploded view that Fig. 5 is Fig. 4 different angles;
The enlarged drawing that Fig. 6 is I part in Fig. 4;
The stereogram that Fig. 7 is screw fixed block in Fig. 1;
Fig. 8 is the front projection figure of Fig. 7;
Fig. 9 twists the stereogram of bar in Fig. 1;
Figure 10 is the front projection figure of Fig. 9;
Figure 11 is along the profile of A-A line in Figure 10;
Figure 12 is the stereogram of the thrust spring in Figure 10.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figures 1 to 12, the automatic screwing device of the screw and nut of the present embodiment, comprise device for delivering screws, nut conveying device, the screw screwing device, the positioner of screw and nut automatic Composition, circuit control system, described device for delivering screws comprises material stock cylinder 1 and the conveying 11 that can make screw 6 automatically rules arrange by vibrator, one end of described conveying 11 is connected with the helical orbit 12 on material stock cylinder 1 top, described conveying 11 other ends extend to the top of positioner, nut conveying device comprises material storage tube 2 and the transmission guide rail 21 that can make nut 7 automatically rules arrange by vibrator, one end of described transmission guide rail 21 is connected with the spiral track 22 of material storage tube 2 upper ends, the other end of described transmission guide rail 21 extends to the top of positioner.Be respectively arranged with the inductor that can send warning message when screw 6 or nut 7 obstruction on conveying 11 and on transmission guide rail 21, described have inductor to form loop by circuit and programme control circut.Described conveying 11 be positioned at transmit guide rail 21 directly over, be provided with the screw screwing device that the screw 6 after combination and nut 7 can be tightened above being positioned at the position of positioner, described screw screwing device, positioner are connected with programme control circut by circuit respectively, are provided with the passage that the screw 6 after tightening and the assembly of nut 7 can be discharged automatically in the bottom that is positioned at positioner.Above-mentioned positioner is positioned on the boss 51 of frame 5, and there is the inner chamber that assembly can be passed through described boss 51 inside, and a side of described boss 51 is provided with the outlet 52 of inner chamber, and described inner chamber bottom surface enters high inclined-plane, place for outlet 52 places are low.The structure of above-mentioned positioner is: comprise screw fixed block 3, be positioned at transmit guide rail 21 belows and by programme control circut, controlled can clamping screw nut 7 clamping device, described screw fixed block 3 is positioned at the below in conveying 11 exits, the groove 31 that can put into screw is set on described screw fixed block 3, and arranges in described groove 31 and screw 6 can be buckled and retractable buckle portion 32.Described clamping device comprises the nut backing plate 41 that can move forward and backward, the clamping plate 4 that can move left and right, one end of described clamping plate 4 is provided with the breach 42 that can block nut 7 one sides, and be positioned on the boss 51 of the relative side of breach 42, arrange and the bayonet socket 43 that can be absorbed in nut 7, the other end of described clamping plate 4 is connected by the piston rod with in driving mechanism, described nut backing plate 41 1 ends are positioned at the below of transmitting guide rail 21 exits, described nut backing plate 41 other ends are connected with the motion bar in drive unit, be provided with the dividing plate 13 that can make screw 6 pass through or stop up in the exit that is positioned at conveying 11, described dividing plate 13 links with drive division, be provided with in the exit that is positioned at transmission guide rail 21 parting bead that energy nut 7 passes through or stops up, described parting bead and driver link, described drive division, driver, drive unit and driving mechanism form loop by wire and programme control circut respectively.Above-mentioned drive division, driver, drive unit and driving mechanism are respectively hydraulic cylinder 8 or cylinder.Described screw screwing device comprise vertical setting and can rotate and can on the stubborn bar 9 that moves down, described stubborn bar 9 be arranged in positioner screw fixed block 3 groove 31 directly over, the bottom of described stubborn bar 9 is provided with when stubborn bar 9 moves down can be placed on pullover 91 of screw terminal by plug bush type, top and the transmission device of described stubborn bar 9 link, and described transmission device forms loop by wire and programme control circut.Be provided with the thrust spring 92 that can make screw 6 promote when pullover 91 are placed on screw 6 in pullover 91 downwards, this thrust spring 92 is the large volute spring of the little base diameter of top diameter.Arrange on twisting bar 9 and be provided with the inductor that can send warning message when the torsion of twisting bar 9 does not reach setting value, described have inductor to form loop by circuit and programme control circut.
Operation principle of the present invention is: described nut and the screw track by separately respectively are transported on positioner, and in positioner, make nut and screw Automatic Combined, and by twisting bar by nut and screw tightening, the dynamics of tightening is controlled by programme control circut, if the power of twisting is inadequate, by the inductor automatic alarm, realize that torsion reaches the requirement of design, torsion of the present invention is 9 newton, and specific requirement can be determined by design, after nut and screw screw up mutually, automatically fall in the case that connects material, not only easy to operate, and reliable in quality.
Claims (10)
1. the automatic screwing device of a screw and nut, comprise device for delivering screws, nut conveying device, the screw screwing device, the positioner of screw and nut automatic Composition, circuit control system, it is characterized in that: described device for delivering screws comprises material stock cylinder (1) and the conveying (11) that can make screw (6) automatically rule arrange by vibrator, one end of described conveying (11) is connected with the helical orbit (12) on material stock cylinder (1) top, described conveying (11) other end extends to the top of positioner, nut conveying device comprises material storage tube (2) and the transmission guide rail (21) that can make nut (7) automatically rule arrange by vibrator, one end of described transmission guide rail (21) is connected with the spiral track (22) of material storage tube (2) upper end, the other end of described transmission guide rail (21) extends to the top of positioner, described conveying (11) be positioned at transmit guide rail (21) directly over, be provided with the screw screwing device that the screw (6) after combination and nut (7) can be tightened above being positioned at the position of positioner, described screw screwing device, positioner is connected with programme control circut by circuit respectively, be provided with the passage that the screw after tightening (6) and the assembly of nut (7) can be discharged automatically in the bottom that is positioned at positioner.
2. tightening machine according to claim 1, it is characterized in that: described positioner is positioned on the boss (51) of frame (5), there is the inner chamber that assembly can be passed through described boss (51) inside, one side of described boss (51) is provided with the outlet (52) of inner chamber, and the low high inclined-plane, place that enters is located for outlet (52) in described inner chamber bottom surface.
3. tightening machine according to claim 2, it is characterized in that: the structure of described positioner is: comprise screw fixed block (3), be positioned at transmit guide rail (21) below and by programme control circut, controlled can clamping screw nut (7) clamping device, described screw fixed block (3) is positioned at the below in conveying (11) exit, the groove (31) that can put into screw is set on described screw fixed block (3), and arranges in described groove (31) and screw (6) can be buckled and retractable buckle portion (32).
4. tightening machine according to claim 3, it is characterized in that: described clamping device comprises the nut backing plate (41) that can move forward and backward, the clamping plate that can move left and right (4), one end of described clamping plate (4) is provided with the breach (42) that can block nut (7) one sides, and the boss (51) that is positioned at the relative side of breach (42) is upper, arrange and the bayonet socket (43) that can be absorbed in nut (7), the other end of described clamping plate (4) is connected by the piston rod with in driving mechanism, described nut backing plate (41) one ends are positioned at the below of transmitting guide rail (21) exit, described nut backing plate (41) other end is connected with the motion bar in drive unit, be provided with the dividing plate (13) that can make screw (6) pass through or stop up in the exit that is positioned at conveying (11), described dividing plate (13) links with drive division, be provided with in the exit that is positioned at transmission guide rail (21) parting bead that energy nut (7) passes through or stops up, described parting bead and driver link, described drive division, driver, drive unit and driving mechanism form loop by wire and programme control circut respectively.
5. tightening machine according to claim 4, it is characterized in that: described drive division, driver, drive unit and driving mechanism are respectively hydraulic cylinder (8) or cylinder.
6. according to arbitrary described tightening machine in claim 1 to 5, it is characterized in that: described screw screwing device comprise vertical setting and can rotate and can on the stubborn bar (9) that moves down, described stubborn bar (9) be arranged in positioner screw fixed block (3) groove (31) directly over, the bottom of described stubborn bar (9) is provided with when pullover (91) of twisting bar (9) and can plug bush type while moving down be placed on screw terminal, top and the transmission device of described stubborn bar (9) link, and described transmission device forms loop by wire and programme control circut.
7. tightening machine according to claim 6, is characterized in that: be provided with the thrust spring (92) that when pullover (91) are placed on screw (6), can make screw (6) promote in described pullover (91) downwards.
8. tightening machine according to claim 7, it is characterized in that: described thrust spring (92) is the large volute spring of the little base diameter of top diameter.
9. according to arbitrary described tightening machine in claim 1 to 5, it is characterized in that: the inductor that can send warning message when the torsion that is provided with stubborn bar (9) does not reach setting value is set on described stubborn bar (9), and described have inductor to form loop by circuit and programme control circut.
10. according to arbitrary described tightening machine in claim 1 to 5, it is characterized in that: be respectively arranged with the inductor that can send warning message when screw (6) or nut (7) obstruction on described conveying (11) and on transmission guide rail (21), described have inductor to form loop by circuit and programme control circut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403177.1A CN103447813B (en) | 2013-09-03 | 2013-09-03 | The automatic screwing device of screw and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403177.1A CN103447813B (en) | 2013-09-03 | 2013-09-03 | The automatic screwing device of screw and nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103447813A true CN103447813A (en) | 2013-12-18 |
| CN103447813B CN103447813B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310403177.1A Active CN103447813B (en) | 2013-09-03 | 2013-09-03 | The automatic screwing device of screw and nut |
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| CN (1) | CN103447813B (en) |
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| CN104400407A (en) * | 2014-11-20 | 2015-03-11 | 中山汇伟塑胶工业有限公司 | Automatic cover-twisting assembling machine |
| CN104476174A (en) * | 2014-09-26 | 2015-04-01 | 宁波旭升机械有限公司 | Screw fastening device |
| CN104526298A (en) * | 2014-12-16 | 2015-04-22 | 天津市龙意达机械制造有限公司 | Full automatic speed change steel bushing and steel nail assembly machine |
| CN104742360A (en) * | 2015-04-03 | 2015-07-01 | 舟山市7412工厂 | Tempering machine at end part of screw |
| CN105252261A (en) * | 2015-11-06 | 2016-01-20 | 无锡职业技术学院 | Automatic screw turning machine |
| CN105643262A (en) * | 2016-03-28 | 2016-06-08 | 合肥正特机械有限公司 | Feeding mechanism of screw and nut assembling machine |
| CN105666111A (en) * | 2016-03-28 | 2016-06-15 | 合肥正特机械有限公司 | Screw and nut assembly machine |
| CN106112463A (en) * | 2016-08-31 | 2016-11-16 | 苏州市吴中区木渎晓云模具加工厂 | Electromagnetic valve assembles the nut feed mechanism of equipment |
| CN106271574A (en) * | 2016-08-31 | 2017-01-04 | 河北工程大学 | A kind of bolts assemblies mechanism and greatly sized bolt and nut automatic setup system |
| CN106425434A (en) * | 2016-10-27 | 2017-02-22 | 宁波长华长盛汽车零部件有限公司 | Automatic assembly torque monitoring device for bonding nuts |
| CN108098314A (en) * | 2017-12-27 | 2018-06-01 | 广东顶固集创家居股份有限公司 | Screw-nut assembly machine |
| CN108568662A (en) * | 2017-03-13 | 2018-09-25 | 石家庄格力电器小家电有限公司 | Assembling equipment |
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| CN110253273A (en) * | 2019-07-13 | 2019-09-20 | 乐清今立电器科技有限公司 | A kind of Full-automatic screw locking machine |
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| CN104476174A (en) * | 2014-09-26 | 2015-04-01 | 宁波旭升机械有限公司 | Screw fastening device |
| CN104400407A (en) * | 2014-11-20 | 2015-03-11 | 中山汇伟塑胶工业有限公司 | Automatic cover-twisting assembling machine |
| CN104526298A (en) * | 2014-12-16 | 2015-04-22 | 天津市龙意达机械制造有限公司 | Full automatic speed change steel bushing and steel nail assembly machine |
| CN104742360A (en) * | 2015-04-03 | 2015-07-01 | 舟山市7412工厂 | Tempering machine at end part of screw |
| CN104742360B (en) * | 2015-04-03 | 2017-03-29 | 舟山市7412工厂 | The tempering machine of screw end |
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| CN105643262A (en) * | 2016-03-28 | 2016-06-08 | 合肥正特机械有限公司 | Feeding mechanism of screw and nut assembling machine |
| CN105666111A (en) * | 2016-03-28 | 2016-06-15 | 合肥正特机械有限公司 | Screw and nut assembly machine |
| CN105666111B (en) * | 2016-03-28 | 2017-10-31 | 合肥正特机械有限公司 | A kind of bolt and nut kludge |
| CN106112463B (en) * | 2016-08-31 | 2018-05-15 | 台州鼎拓工业设计有限公司 | Solenoid valve block installs standby nut feed mechanism |
| CN106112463A (en) * | 2016-08-31 | 2016-11-16 | 苏州市吴中区木渎晓云模具加工厂 | Electromagnetic valve assembles the nut feed mechanism of equipment |
| CN106271574A (en) * | 2016-08-31 | 2017-01-04 | 河北工程大学 | A kind of bolts assemblies mechanism and greatly sized bolt and nut automatic setup system |
| CN106425434B (en) * | 2016-10-27 | 2018-08-07 | 宁波长华长盛汽车零部件有限公司 | Bonding nut automatic assembling torque monitoring |
| CN106425434A (en) * | 2016-10-27 | 2017-02-22 | 宁波长华长盛汽车零部件有限公司 | Automatic assembly torque monitoring device for bonding nuts |
| CN108568662A (en) * | 2017-03-13 | 2018-09-25 | 石家庄格力电器小家电有限公司 | Assembling equipment |
| CN108568662B (en) * | 2017-03-13 | 2024-06-04 | 石家庄格力电器小家电有限公司 | Assembly equipment |
| CN108098314A (en) * | 2017-12-27 | 2018-06-01 | 广东顶固集创家居股份有限公司 | Screw-nut assembly machine |
| CN108581438B (en) * | 2018-05-25 | 2024-05-24 | 江华顺林模型科技有限公司 | Model tire wheel hub kludge |
| CN108581438A (en) * | 2018-05-25 | 2018-09-28 | 江华顺林模型科技有限公司 | A kind of model bead seat kludge |
| CN110253273A (en) * | 2019-07-13 | 2019-09-20 | 乐清今立电器科技有限公司 | A kind of Full-automatic screw locking machine |
| CN110846959A (en) * | 2019-11-01 | 2020-02-28 | 深圳市圆梦精密技术研究院 | Track nut overhauling equipment and method for automatically adjusting position thereof |
| CN110846959B (en) * | 2019-11-01 | 2024-07-19 | 深圳市圆梦精密技术研究院 | Rail nut overhauling equipment and automatic position adjusting method thereof |
| CN111496514A (en) * | 2020-04-14 | 2020-08-07 | 江苏大全凯帆开关有限公司 | Automatic assembling machine for blanking unit and screw |
| CN112247546A (en) * | 2020-10-21 | 2021-01-22 | 罗桃艳 | A utmost point post nut assembly quality for new forms of energy lithium ion power battery makes |
| CN114473470A (en) * | 2022-03-17 | 2022-05-13 | 浙江机电职业技术学院 | Automatic assembling equipment and assembling process |
| CN114473470B (en) * | 2022-03-17 | 2023-02-07 | 浙江机电职业技术学院 | Automatic assembling equipment and assembling process |
| CN115091195B (en) * | 2022-07-18 | 2023-08-01 | 江西捷凯机械有限公司 | Assembling device for producing automobile shock absorber |
| CN115091195A (en) * | 2022-07-18 | 2022-09-23 | 江西捷凯机械有限公司 | Assembly device for producing automobile shock absorber |
| CN114952267B (en) * | 2022-08-02 | 2022-11-01 | 清远市星徽精密制造有限公司 | Screw and nut locking mechanism of inclination adjuster |
| CN114952267A (en) * | 2022-08-02 | 2022-08-30 | 清远市星徽精密制造有限公司 | Screw and nut locking mechanism of inclination adjuster |
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| CN103447813B (en) | 2017-04-05 |
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