CN204603748U - Full automatic screw tightening machine - Google Patents
Full automatic screw tightening machine Download PDFInfo
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- CN204603748U CN204603748U CN201520256529.XU CN201520256529U CN204603748U CN 204603748 U CN204603748 U CN 204603748U CN 201520256529 U CN201520256529 U CN 201520256529U CN 204603748 U CN204603748 U CN 204603748U
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Abstract
The utility model relates to a kind of tooling device, especially relates to a kind of Full automatic screw tightening machine.This Full automatic screw tightening machine, comprise frame, frame is provided with feed system and jacking system, jacking system is connected with crane and lower crane, upper crane top is provided with several motors longitudinally arranged, and the driving shaft of motor is connected with the first shaft coupling, the lower end of the first shaft coupling is connected with telescopic shaft, the lower end of telescopic shaft is connected with connecting axle, and the lower end of connecting axle is connected with the second shaft coupling, and the lower end of the second shaft coupling is connected with screwed lock and pays cutter; Telescopic shaft comprise be connected with the first shaft coupling slide-bar, be set in dead axle outside slide-bar, dead axle is coaxially fixed away from one end of slide-bar and connecting axle, the sidewall of dead axle offers chute, the axis being parallel of chute and dead axle, runs through and have guide blot in chute.The utility model have can lock multiple screw simultaneously pay, ensure lock pay moment identical, improve efficiency of assembling, save the beneficial effect such as installation time.
Description
Technical field
The utility model relates to a kind of tooling device, especially relates to a kind of Full automatic screw tightening machine.
Background technology
Screw is fixedly fixing means conventional in prior art, but some workpiece needs be fixed by multiple screw, as the assembling of light fixture, needs assembling tens even dozens of screw.Screw is installed in prior art and adopts artificial mode of installing, utilize electronic or pneumatic screwed lock to pay rifle and lock one by one and pay.This installation method needs assembling one by one one by one, and length consuming time, efficiency of assembling are low, and the moment of torsion that on same workpiece, different screwed lock is paid cannot be unified, and assembly quality is low.
Utility model content
The utility model mainly for the problems referred to above, provide a kind of can lock multiple screw simultaneously pay, ensure lock pay moment identical, improve efficiency of assembling, save the Full automatic screw tightening machine of installation time.
The purpose of this utility model is mainly achieved by following proposal: a kind of Full automatic screw tightening machine, comprise frame, described frame is provided with feed system and jacking system, jacking system is connected with crane and lower crane, upper crane top is provided with several motors longitudinally arranged, the driving shaft of motor is connected with the first shaft coupling, the lower end of the first shaft coupling is connected with telescopic shaft, the lower end of telescopic shaft is connected with connecting axle, the lower end of connecting axle is connected with the second shaft coupling, the lower end of the second shaft coupling is connected with screwed lock and pays cutter, screwed lock is paid outside cutter and is arranged with positioning sleeve, positioning sleeve is fixed on lower crane, telescopic shaft comprise be connected with the first shaft coupling slide-bar, be set in dead axle outside slide-bar, dead axle is coaxially fixed away from one end of slide-bar and connecting axle, the sidewall of dead axle offers chute, the axis being parallel of chute and dead axle, run through in chute and have guide blot, guide blot runs through chute and slide-bar successively.After electric motor starting, motor driving shaft drives the first shaft coupling to rotate, and the first shaft coupling drives telescopic shaft to rotate, telescopic shaft drives connecting axle to rotate, connecting axle drives the second shaft coupling to rotate, and the second shaft coupling drive screwed lock is paid cutter and rotated, and screwed lock is paid knife-band and moved screw rotation realization lock pair.Elevating mechanism can increase the bottom and top feed of whole mechanism and the stroke of withdrawing, and feed system can transmit workpiece, is convenient to workpiece transport and location.The unified control of all or part of motor starts, and ensures that all or part of screwed lock is paid cutter and rotated simultaneously and pay screwed lock, without the need to assembling one by one, saving the set-up time, improving installation effectiveness.And screwed lock to pay moment identical, improve installation quality.Screwed lock is paid to fall at present and is deep in workpiece, screwed lock pays cutter gravitate deeply declining along with screw, connecting axle is followed screwed lock and is paid cutter decline, telescopic shaft elongates, i.e. dead axle and slide-bar relative sliding, during slip, guide blot can slide axially along the chute on dead axle sidewall, realize the relative sliding of dead axle and slide-bar, and the coaxial rotation of dead axle and slide-bar can be ensured.Now, the angle that connecting axle and screwed lock are paid between cutter increases, and ensures that whole transmission mechanism can follow the deeply feeding of screw.
As preferably, described dead axle is provided with air cavity away from one end of slide-bar, one end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, air inlet cover is arranged with outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, fit in an end face of air inlet cover and the lower surface of dead axle, dead axle lower surface offers one section of pulse aeration tank, pulse aeration tank is circular arc, air inlet duct is concentric with dead axle lower surface, the ring wall of air inlet cover offers inlet chamber, inlet chamber is by running through the air admission hole of air inlet cover and extraneous conducting, air admission hole is connected with air pump by air inlet pipe, the section of inlet chamber is circular arc and overlaps concentric with air inlet, the radius length of circular arc inlet chamber is identical with the radius length of pulse aeration tank.Dead axle arranges air cavity away from one end of slide-bar, can store gas in air cavity.One end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, when the gas flow in air cavity increases, can promote piston movement, and then realize slide-bar and dead axle relative motion, elongate telescopic shaft; When the gas flow in air cavity reduces, can piston movement be attracted, and then shrink telescopic shaft.Be arranged with air inlet cover outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, when connecting axle follows fixed-axis rotation, air inlet cover can keep static, when being inflated in air inlet pipe by air pump, gas enters air admission hole along air inlet pipe, enters the inlet chamber in air inlet cover by air admission hole.Dead axle lower surface offers one section of pulse aeration tank, pulse aeration tank is circular arc, air inlet duct is concentric with dead axle lower surface, and the radius length of circular arc inlet chamber is identical with the radius length of pulse aeration tank, and the pulse aeration tank of dead axle bottom surface rotates along with the rotation of dead axle.When the inlet chamber that ram charging groove and air inlet put staggers completely, air inlet cover cannot to the air cavity inflation in dead axle; When ram charging groove rotate partly overlap with inlet chamber time, the gas in inlet chamber enters in dead axle by ram charging groove, and along with the increase of ram charging groove and inlet chamber overlapping area, air inflow and intake velocity increase gradually; When ram charging groove overlaps completely with inlet chamber, the air inflow in dead axle and intake velocity reach maximum; When ram charging groove is rotated further, the overlapping area of ram charging groove and inlet chamber reduces gradually, and air inflow reduces gradually; When ram charging groove rotates through inlet chamber and when staggering with inlet chamber, gas cannot enter in dead axle.In the fixed-axis rotation process of a week, in dead axle, intake process is: stop air inlet, air inlet increase air inflow and intake velocity, air inflow and increase to peak, reduce air inflow and intake velocity, stopping air inlet gradually.By air pump to the air cavity air feed in dead axle or air-breathing, realize feeding and withdrawing that screwed lock pays cutter, adopt the mode of ram charging effectively can improve the stability that screwed lock pays cutter feeding, increase stability and the feeding dynamics of feeding, ensure that all screwed locks pay the feeding dynamics of cutter identical.
Described dead axle is provided with air cavity away from one end of slide-bar, one end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, air inlet cover is arranged with outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, fit in an end face of air inlet cover and the lower surface of dead axle, dead axle lower surface offers several pulse air-filled pores, ram charging hole is circular arc distribution, the ring wall of air inlet cover offers inlet chamber, inlet chamber is by running through the air admission hole of air inlet cover and extraneous conducting, air admission hole is connected with air pump by air inlet pipe, the section of inlet chamber is circular arc and overlaps concentric with air inlet, the center of circle of pulse air-filled pore is identical with the radius length of circular arc inlet chamber to the distance between the center of circle, dead axle bottom surface.Dead axle arranges air cavity away from one end of slide-bar, can store gas in air cavity.One end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, when the gas flow in air cavity increases, can promote piston movement, and then realize slide-bar and dead axle relative motion, elongate telescopic shaft; When the gas flow in air cavity reduces, can piston movement be attracted, and then shrink telescopic shaft.Be arranged with air inlet cover outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, when connecting axle follows fixed-axis rotation, air inlet cover can keep static, when being inflated in air inlet pipe by air pump, gas enters air admission hole along air inlet pipe, enters the inlet chamber in air inlet cover by air admission hole.Dead axle lower surface offers one section of pulse air-filled pore, pulse air-filled pore is circular arc, air inlet duct is concentric with dead axle lower surface, and the radius length of circular arc inlet chamber is identical with the radius length of pulse air-filled pore, and the pulse air-filled pore of dead axle bottom surface rotates along with the rotation of dead axle.When the inlet chamber that ram charging groove and air inlet put staggers completely, air inlet cover cannot to the air cavity inflation in dead axle; When ram charging groove rotate partly overlap with inlet chamber time, the gas in inlet chamber enters in dead axle by ram charging groove, and along with the increase of ram charging groove and inlet chamber overlapping area, air inflow and intake velocity increase gradually; When ram charging groove overlaps completely with inlet chamber, the air inflow in dead axle and intake velocity reach maximum; When ram charging groove is rotated further, the overlapping area of ram charging groove and inlet chamber reduces gradually, and air inflow reduces gradually; When ram charging groove rotates through inlet chamber and when staggering with inlet chamber, gas cannot enter in dead axle.In the fixed-axis rotation process of a week, in dead axle, intake process is: stop air inlet, air inlet increase air inflow and intake velocity, air inflow and increase to peak, reduce air inflow and intake velocity, stopping air inlet gradually.By air pump to the air cavity air feed in dead axle or air-breathing, realize feeding and withdrawing that screwed lock pays cutter, adopt spaced pulse air-filled pore, realize the intermittence change of air inflow and intake velocity, effectively can improve the stability that screwed lock pays cutter feeding, increase the stability of feeding and feeding dynamics, ensure that all screwed locks pay the feeding dynamics of cutter identical.
As preferably, described positioning sleeve is fixedly connected with lower crane by location-plate, location-plate is provided with the locating hole matched with positioning sleeve external diameter, the sidewall of location-plate offers open slot, open slot is connected with locating hole, and open slot place is laterally run through fastening bolt.Positioning sleeve is fixedly connected with lower crane by location-plate, ensure that positioning sleeve can follow lower crane oscilaltion, location-plate is provided with the locating hole matched with positioning sleeve external diameter, positioning sleeve is inserted in locating hole, locating hole is utilized to locate positioning sleeve, make positioning sleeve be positioned at vertical state all the time, and then ensure that screwed lock is paid cutter and remained vertical state, improve screw installation quality.The sidewall of location-plate offers open slot, and open slot is connected with locating hole, and open slot place is laterally run through fastening bolt, open slot can reduce the structural strength at locating hole place, coordinate the positioning sleeve of different-diameter to use, utilize fastening bolt lock opening groove, positioning sleeve is fixedly clamped.
As preferably, described screw dop comprises the charging pipe support vertically arranged, and the bilateral symmetry of charging pipe support is hinged with charging clamping plate, and the upper end of charging clamping plate is connected with charging pipe support by the back-moving spring of horizontally set.Screw dop comprises the charging pipe support vertically arranged, screw is blown in charging pipe support by screw feeding tracheae, the free end of charging clamping plate is arrived again by charging pipe support, screw is clamped by symmetry charging clamping plate even, realize the location of screw, after screwed lock pays cutter lock screw, charging clamping plate unclamp screw, and resetted by the pretightning force of back-moving spring, repeatedly operate.
As preferably, the angle between described motor driving shaft and telescopic shaft is 135 ° to 180 °.Angle between motor driving shaft and telescopic shaft is 135 ° to 180 °, ensures the stability of shaft coupling transmission, and can increase the stability of telescopic shaft feeding.
As preferably, the first described shaft coupling and the second shaft coupling are cross coupler.
Therefore, Full automatic screw tightening machine of the present utility model possesses following advantage: 1, the unified control of all or part of motor starts, ensure that all or part of screwed lock is paid cutter and rotated simultaneously and pay screwed lock, without the need to assembling one by one, save the set-up time, improve installation effectiveness, and screwed lock to pay moment identical, improve installation quality, screwed lock is paid to fall at present and is deep in workpiece, screwed lock pays cutter gravitate deeply declining along with screw, connecting axle is followed screwed lock and is paid cutter decline, telescopic shaft elongates, i.e. dead axle and slide-bar relative sliding, during slip, guide blot can slide axially along the chute on dead axle sidewall, realize the relative sliding of dead axle and slide-bar, and the coaxial rotation of dead axle and slide-bar can be ensured, now, the angle that connecting axle and screwed lock are paid between cutter increases, ensure that whole transmission mechanism can follow the deeply feeding of screw, 2, in the fixed-axis rotation process of a week, in dead axle, intake process is: stop air inlet, air inlet increase air inflow and intake velocity, air inflow and increase to peak, reduce air inflow and intake velocity, stopping air inlet gradually, by air pump to the air cavity air feed in dead axle or air-breathing, realize feeding and withdrawing that screwed lock pays cutter, adopt the mode of ram charging effectively can improve the stability that screwed lock pays cutter feeding, increase the stability of feeding and feeding dynamics, ensure that all screwed locks pay the feeding dynamics of cutter identical.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is structural representations of single transmission device in the utility model;
Accompanying drawing 3 is that in the utility model, transmission device pays a kind of structural representation of state not locking;
Accompanying drawing 4 is a kind of structural representations that in the utility model, feeding state paid by transmission device at lock;
Accompanying drawing 5 is A place partial sectional views in accompanying drawing 3;
Accompanying drawing 6 is B-B place sectional views in embodiment 1 in accompanying drawing 5;
Accompanying drawing 7 is C-C place sectional views in accompanying drawing 5;
Accompanying drawing 8 is stereograms of screw dop in the utility model;
Accompanying drawing 9 is structural representations of location-plate free end in the utility model;
Accompanying drawing 10 is B-B place sectional views in example 2 in accompanying drawing 5.
Illustrate: 01-frame, 02-jacking system, the upper crane of 021-, crane under 022-, 03-feed system, 04-motor, 041-motor driving shaft, 05-first shaft coupling, 06-slide-bar, 061-piston, 07-dead axle, 071-chute, 072-guide blot, 073-air cavity, 074-pulse aeration tank, 075-pulse air-filled pore, 08-connecting axle, 09-second shaft coupling, 10-screwed lock pays cutter, 11-positioning sleeve, 12-screw dop, 121-charging pipe support, 122-charging clamping plate, 123-back-moving spring, 13-screw feeding tracheae, 14-air inlet cover, 141-inlet chamber, 142-air admission hole, 143-air inlet pipe, 15-rolling bearing, 16-location-plate, 161-locating hole, 162-open slot, 163-fastening bolt.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as Fig. 1, 2, shown in 3, a kind of Full automatic screw tightening machine, comprise frame 01, frame is provided with feed system 03 and jacking system 02, jacking system is connected with crane 021 and lower crane 022, upper crane top is provided with several motors 04 longitudinally arranged, the driving shaft 041 of motor is connected with the first shaft coupling 05, angle between motor driving shaft and telescopic shaft is 160 °, the lower end of the first shaft coupling is connected with telescopic shaft, the lower end of telescopic shaft is connected with connecting axle 08, the lower end of connecting axle is connected with the second shaft coupling 09, the lower end of the second shaft coupling is connected with screwed lock and pays cutter 10, screwed lock is paid outside cutter and is arranged with positioning sleeve 11, positioning sleeve is fixed on lower crane, positioning sleeve lower end is provided with screw dop 12, screw dop side is connected with screw feeding tracheae 13, first shaft coupling and the second shaft coupling are cross coupler.Telescopic shaft comprise be connected with the first shaft coupling slide-bar 06, be set in dead axle 07 outside slide-bar, dead axle is coaxially fixed away from one end of slide-bar and connecting axle, the sidewall of dead axle offers chute 071, the axis being parallel of chute and dead axle, run through in chute and have guide blot 072, guide blot runs through chute and slide-bar successively.As Fig. 5, 6, shown in 7, dead axle is provided with air cavity 073 away from one end of slide-bar, one end that slide-bar is positioned at dead axle inside is provided with the piston 061 matched with air cavity diameter, air inlet cover 14 is arranged with outside connecting axle, air inlet cover is connected by rolling bearing 15 with connecting axle, fit in an end face of air inlet cover and the lower surface of dead axle, dead axle lower surface offers one section of pulse aeration tank 074, pulse aeration tank is circular arc, air inlet duct is concentric with dead axle lower surface, the ring wall of air inlet cover offers inlet chamber 141, inlet chamber is by running through the air admission hole 142 of air inlet cover and extraneous conducting, air admission hole is connected with air pump by air inlet pipe 143, the section of inlet chamber is circular arc and overlaps concentric with air inlet, the radius length of circular arc inlet chamber is identical with the radius length of pulse aeration tank.As shown in Figure 9, positioning sleeve is fixedly connected with lower crane by location-plate 16, location-plate is provided with the locating hole 161 matched with positioning sleeve external diameter, the sidewall of location-plate offers open slot 162, open slot is connected with locating hole, and open slot place is laterally run through fastening bolt 163.As shown in Figure 8, screw dop comprises the charging pipe support 121 vertically arranged, and the bilateral symmetry of charging pipe support is hinged with charging clamping plate 122, and the upper end of charging clamping plate is connected with charging pipe support by the back-moving spring 123 of horizontally set.
After electric motor starting, motor driving shaft drives the first shaft coupling to rotate, and the first shaft coupling drives telescopic shaft to rotate, telescopic shaft drives connecting axle to rotate, connecting axle drives the second shaft coupling to rotate, and the second shaft coupling drive screwed lock is paid cutter and rotated, and screwed lock is paid knife-band and moved screw rotation realization lock pair.Elevating mechanism can increase the bottom and top feed of whole mechanism and the stroke of withdrawing, and feed system can transmit workpiece, is convenient to workpiece transport and location.The unified control of all or part of motor starts, and ensures that all or part of screwed lock is paid cutter and rotated simultaneously and pay screwed lock, without the need to assembling one by one, saving the set-up time, improving installation effectiveness.And screwed lock to pay moment identical, improve installation quality.Screwed lock is paid to fall at present and is deep in workpiece, screwed lock pays cutter gravitate deeply declining along with screw, connecting axle is followed screwed lock and is paid cutter decline, telescopic shaft elongates, as shown in Figure 4, i.e. and dead axle and slide-bar relative sliding, during slip, guide blot can slide axially along the chute on dead axle sidewall, realizes the relative sliding of dead axle and slide-bar, and can ensure the coaxial rotation of dead axle and slide-bar.Now, the angle that connecting axle and screwed lock are paid between cutter increases, and ensures that whole transmission mechanism can follow the deeply feeding of screw.Positioning sleeve lower end is provided with screw dop, and screw dop side is connected with screw feeding tracheae, and screw is blown into screw dop place by screw feeding tracheae, screw dop is utilized to locate screw, pay cutter lock screw by screwed lock again, be convenient to location and the installation of screw, without the need to manually locating one by one.Dead axle arranges air cavity away from one end of slide-bar, can store gas in air cavity.One end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, when the gas flow in air cavity increases, can promote piston movement, and then realize slide-bar and dead axle relative motion, elongate telescopic shaft; When the gas flow in air cavity reduces, can piston movement be attracted, and then shrink telescopic shaft.Be arranged with air inlet cover outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, when connecting axle follows fixed-axis rotation, air inlet cover can keep static, when being inflated in air inlet pipe by air pump, gas enters air admission hole along air inlet pipe, enters the inlet chamber in air inlet cover by air admission hole.Dead axle lower surface offers one section of pulse aeration tank, pulse aeration tank is circular arc, air inlet duct is concentric with dead axle lower surface, and the radius length of circular arc inlet chamber is identical with the radius length of pulse aeration tank, and the pulse aeration tank of dead axle bottom surface rotates along with the rotation of dead axle.When the inlet chamber that ram charging groove and air inlet put staggers completely, air inlet cover cannot to the air cavity inflation in dead axle; When ram charging groove rotate partly overlap with inlet chamber time, the gas in inlet chamber enters in dead axle by ram charging groove, and along with the increase of ram charging groove and inlet chamber overlapping area, air inflow and intake velocity increase gradually; When ram charging groove overlaps completely with inlet chamber, the air inflow in dead axle and intake velocity reach maximum; When ram charging groove is rotated further, the overlapping area of ram charging groove and inlet chamber reduces gradually, and air inflow reduces gradually; When ram charging groove rotates through inlet chamber and when staggering with inlet chamber, gas cannot enter in dead axle.In the fixed-axis rotation process of a week, in dead axle, intake process is: stop air inlet, air inlet increase air inflow and intake velocity, air inflow and increase to peak, reduce air inflow and intake velocity, stopping air inlet gradually.By air pump to the air cavity air feed in dead axle or air-breathing, realize feeding and withdrawing that screwed lock pays cutter, adopt the mode of ram charging effectively can improve the stability that screwed lock pays cutter feeding, increase stability and the feeding dynamics of feeding, ensure that all screwed locks pay the feeding dynamics of cutter identical.Positioning sleeve is fixedly connected with lower crane by location-plate, ensure that positioning sleeve can follow lower crane oscilaltion, location-plate is provided with the locating hole matched with positioning sleeve external diameter, positioning sleeve is inserted in locating hole, locating hole is utilized to locate positioning sleeve, make positioning sleeve be positioned at vertical state all the time, and then ensure that screwed lock is paid cutter and remained vertical state, improve screw installation quality.The sidewall of location-plate offers open slot, and open slot is connected with locating hole, and open slot place is laterally run through fastening bolt, open slot can reduce the structural strength at locating hole place, coordinate the positioning sleeve of different-diameter to use, utilize fastening bolt lock opening groove, positioning sleeve is fixedly clamped.Screw dop comprises the charging pipe support vertically arranged, screw is blown in charging pipe support by screw feeding tracheae, the free end of charging clamping plate is arrived again by charging pipe support, screw is clamped by symmetry charging clamping plate even, realize the location of screw, after screwed lock pays cutter lock screw, charging clamping plate unclamp screw, and resetted by the pretightning force of back-moving spring, repeatedly operate.Angle between motor driving shaft and telescopic shaft is 160 °, ensures the stability of shaft coupling transmission, and can increase the stability of telescopic shaft feeding.
Embodiment 2: the present embodiment is substantially identical with the structure of embodiment 1, difference is, as shown in Figure 10, dead axle lower surface offers five pulse air-filled pores 075, ram charging hole is circular arc distribution, spacing between pulse air-filled pore is identical, and the center of circle of pulse air-filled pore is identical with the radius length of circular arc inlet chamber to the distance between the center of circle, dead axle bottom surface.One end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, when the gas flow in air cavity increases, can promote piston movement, and then realize slide-bar and dead axle relative motion, elongate telescopic shaft; When the gas flow in air cavity reduces, can piston movement be attracted, and then shrink telescopic shaft.Be arranged with air inlet cover outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, when connecting axle follows fixed-axis rotation, air inlet cover can keep static, when being inflated in air inlet pipe by air pump, gas enters air admission hole along air inlet pipe, enters the inlet chamber in air inlet cover by air admission hole.Dead axle lower surface offers one section of pulse air-filled pore, pulse air-filled pore is circular arc, air inlet duct is concentric with dead axle lower surface, and the radius length of circular arc inlet chamber is identical with the radius length of pulse air-filled pore, and the pulse air-filled pore of dead axle bottom surface rotates along with the rotation of dead axle.When the inlet chamber that ram charging groove and air inlet put staggers completely, air inlet cover cannot to the air cavity inflation in dead axle; When ram charging groove rotate partly overlap with inlet chamber time, the gas in inlet chamber enters in dead axle by ram charging groove, and along with the increase of ram charging groove and inlet chamber overlapping area, air inflow and intake velocity increase gradually; When ram charging groove overlaps completely with inlet chamber, the air inflow in dead axle and intake velocity reach maximum; When ram charging groove is rotated further, the overlapping area of ram charging groove and inlet chamber reduces gradually, and air inflow reduces gradually; When ram charging groove rotates through inlet chamber and when staggering with inlet chamber, gas cannot enter in dead axle.In the fixed-axis rotation process of a week, in dead axle, intake process is: stop air inlet, air inlet increase air inflow and intake velocity, air inflow and increase to peak, reduce air inflow and intake velocity, stopping air inlet gradually.By air pump to the air cavity air feed in dead axle or air-breathing, realize feeding and withdrawing that screwed lock pays cutter, adopt spaced pulse air-filled pore, realize the intermittence change of air inflow and intake velocity, effectively can improve the stability that screwed lock pays cutter feeding, increase the stability of feeding and feeding dynamics, ensure that all screwed locks pay the feeding dynamics of cutter identical.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Claims (7)
1. a Full automatic screw tightening machine, comprise frame, it is characterized in that, described frame is provided with feed system and jacking system, jacking system is connected with crane and lower crane, upper crane top is provided with several motors longitudinally arranged, the driving shaft of motor is connected with the first shaft coupling, the lower end of the first shaft coupling is connected with telescopic shaft, the lower end of telescopic shaft is connected with connecting axle, the lower end of connecting axle is connected with the second shaft coupling, the lower end of the second shaft coupling is connected with screwed lock and pays cutter, screwed lock is paid outside cutter and is arranged with positioning sleeve, positioning sleeve is fixed on lower crane, telescopic shaft comprise be connected with the first shaft coupling slide-bar, be set in dead axle outside slide-bar, dead axle is coaxially fixed away from one end of slide-bar and connecting axle, the sidewall of dead axle offers chute, the axis being parallel of chute and dead axle, run through in chute and have guide blot, guide blot runs through chute and slide-bar successively.
2. Full automatic screw tightening machine according to claim 1, it is characterized in that, described dead axle is provided with air cavity away from one end of slide-bar, one end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, air inlet cover is arranged with outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, fit in an end face of air inlet cover and the lower surface of dead axle, dead axle lower surface offers one section of pulse aeration tank, pulse aeration tank is circular arc, air inlet duct is concentric with dead axle lower surface, the ring wall of air inlet cover offers inlet chamber, inlet chamber is by running through the air admission hole of air inlet cover and extraneous conducting, air admission hole is connected with air pump by air inlet pipe, the section of inlet chamber is circular arc and overlaps concentric with air inlet, the radius length of circular arc inlet chamber is identical with the radius length of pulse aeration tank.
3. Full automatic screw tightening machine according to claim 1, it is characterized in that, described dead axle is provided with air cavity away from one end of slide-bar, one end that slide-bar is positioned at dead axle inside is provided with the piston matched with air cavity diameter, air inlet cover is arranged with outside connecting axle, air inlet cover is connected by rolling bearing with connecting axle, fit in an end face of air inlet cover and the lower surface of dead axle, dead axle lower surface offers several pulse air-filled pores, ram charging hole is circular arc distribution, the ring wall of air inlet cover offers inlet chamber, inlet chamber is by running through the air admission hole of air inlet cover and extraneous conducting, air admission hole is connected with air pump by air inlet pipe, the section of inlet chamber is circular arc and overlaps concentric with air inlet, the center of circle of pulse air-filled pore is identical with the radius length of circular arc inlet chamber to the distance between the center of circle, dead axle bottom surface.
4. the Full automatic screw tightening machine according to claim 1 or 2 or 3, it is characterized in that, described positioning sleeve is fixedly connected with lower crane by location-plate, location-plate is provided with the locating hole matched with positioning sleeve external diameter, the sidewall of location-plate offers open slot, open slot is connected with locating hole, and open slot place is laterally run through fastening bolt.
5. the Full automatic screw tightening machine according to claim 1 or 2 or 3, it is characterized in that, described screw dop comprises the charging pipe support vertically arranged, and the bilateral symmetry of charging pipe support is hinged with charging clamping plate, and the upper end of charging clamping plate is connected with charging pipe support by the back-moving spring of horizontally set.
6. the Full automatic screw tightening machine according to claim 1 or 2 or 3, is characterized in that, the angle between described motor driving shaft and telescopic shaft is 135 ° to 180 °.
7. the Full automatic screw tightening machine according to claim 1 or 2 or 3, is characterized in that, the first described shaft coupling and the second shaft coupling are cross coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256529.XU CN204603748U (en) | 2015-04-24 | 2015-04-24 | Full automatic screw tightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256529.XU CN204603748U (en) | 2015-04-24 | 2015-04-24 | Full automatic screw tightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204603748U true CN204603748U (en) | 2015-09-02 |
Family
ID=53956331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256529.XU Expired - Fee Related CN204603748U (en) | 2015-04-24 | 2015-04-24 | Full automatic screw tightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204603748U (en) |
-
2015
- 2015-04-24 CN CN201520256529.XU patent/CN204603748U/en not_active Expired - Fee Related
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