CN203471303U - Automatic screw twisting device - Google Patents
Automatic screw twisting device Download PDFInfo
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- CN203471303U CN203471303U CN201320620046.4U CN201320620046U CN203471303U CN 203471303 U CN203471303 U CN 203471303U CN 201320620046 U CN201320620046 U CN 201320620046U CN 203471303 U CN203471303 U CN 203471303U
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Abstract
The utility model provides an automatic screw twisting device. The automatic screw twisting device comprises a screw supplying device (1) and a screw twisting tool (2). The screw supplying device (1) comprises a circular material plate (3) and a vibration control transformer (4) located below the circular material plate (3). Inclined ribs (5) are distributed on the periphery of the lower portion of the material plate (3), a spiral inclined slope (7) is arranged inside the material plate (3), a feed port (8) is formed in the portion, between the plate bottom and the stopping position, of the side wall of the spiral inclined slope, and the front end of a feed bridge (9) penetrates through the feed port and is erected at the stopping position of the spiral inclined slope (7). A long groove (10) is formed in the upper face of the feed bridge (9), the width and the depth of the long groove (10) are suitable for allowing a screw body of a screw (11) to be inserted into, and a screw head is located outside the groove and hung on the upper face of the groove. The rear end of the feed bridge (9) is provided with a screw penetrating hole (12). Preferentially, a lining which is made of flexible organic materials and enables the screw to be temporarily put aside is additionally arranged on the inner wall of the screw penetrating hole (12), and an ejector rod device is arranged above the screw penetrating hole (12).
Description
Technical field
The utility model relates to a kind of automatic screw tightening device and stubborn screw method thereof.
Background technology
The appearance of the automatic screw tightening such as electric screwdriver or pneumatic screwdriver instrument, has improved the speed of stubborn screw greatly.At present, in traditional labour-intensive enterprises such as toy, electronics, plastic cement, communication apparatus, household electrical appliances, furniture, in assembly process, playing screw is that a hand is used electric screwdriver or pneumatic screwdriver, and another hand is grabbed screw alignment screw hole.While doing the essential action of " capture, mobile, wait for, aim at " these stubborn screws at a hand, its spent time account for required time half or more, particularly very little for screw, with hand, be difficult to often to grab accurate, or material be the magnet such as stainless steel or copper can not adsorb screw time, its institute needs consuming time more; And the station screwing on every production line is many.Add that cost of labor escalates in recent years, with screw, automatically supply with and replace the operating type of manually getting screw to effectively enhancing productivity, reduce production costs, promote industry development and be significant.
The utility model solves the problems of the technologies described above just.
Summary of the invention
Technical problem to be solved in the utility model is for the above-mentioned state of the art, and a kind of automatic screw tightening device and stubborn screw method thereof are provided.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of automatic screw tightening device, comprise screw automatic supplier and automatic screw tightening instrument, described screw automatic supplier comprises circular charging tray and is positioned at the control vibration transformer of its below, at least 2 oblique ribs are positioned at described charging tray below peripheral position along circumferential layout, obliquely described charging tray is supported on chassis or support, described charging tray is provided with a spiral slope along its inner side, initial from trying to get to the heart of a matter, on the sidewall in its final position, feeding port is set, the front end of feeding bridge passes feeding port frame in the terminal location on described spiral slope, described feeding bridge is a groove bar, its surface arranges an elongated slot, the width of groove and the degree of depth are applicable to the screw of described screw and fall in groove, and resting groove other places, hangs on groove head of screw, the rear end of feeding bridge arranges screw and passes through hole.
As preferably, the appropriate location, front end side that is positioned at the described feeding bridge of charging tray is provided with a fixing sharp piece, is absorbed in the screw of groove for keeping off cap body end on low water bar.
As preferably, described screw pass through hole inwall add by soft organic material, made make the abeyant lining of screw; Described screw passes through top, hole pin-lift arrangement is set, and the screw that is used for coming carrying from screw automatic supplier and being shelved on described lining passes described lining off and on, heads into and is arranged in the workpiece screwed hole of waiting to twist screw that this screw passes through below, hole.
Described pin-lift arrangement comprises the vertical motion bar being driven by power set, and the top board being fixedly connected with vertical motion bar is vertically fixed on the push rod below top board, and this push rod is aimed at described screw and passed through hole.
As preferably, conical indentation is set above described lining.
Described lining can pass through the setting of whole section of hole along described screw; Or as preferred, lining is arranged on the epimere that described screw passes through hole; Or described lining is arranged on epimere and hypomere that described screw passes through hole.
Use above-described automatic screw tightening device, at described circular charging tray, pack numerous screws into, start and control vibration transformer, making screw constantly along charging tray spiral slope and feeding bridge, to screw, pass through hole moves, be arranged in order and be positioned at and on automatic assembly line, wait that the workpiece of twisting screw is with assembly line intermittent movement, through described screw, pass through below, hole and described screw screwing-up tool below successively; When being positioned at described screw, N workpiece pass through hole when below, N-x workpiece is just in time positioned at described screw screwing-up tool below, at this moment automatic assembly line stops mobile, make to pass through fallen N the screw in hole from screw, in N workpiece screwed hole of partial insertion, simultaneously described screw screwing-up tool by N-x screw-driving on N-x workpiece; After automatic assembly line is again mobile, stop, making to pass through fallen N+1 the screw in hole from screw, in N+1 workpiece screwed hole of partial insertion, described screw screwing-up tool of while by N-x+1 screw-driving on N-x+1 workpiece; X is workpiece (16) the interval location number that described screw passes through below, hole (12) and screw screwing-up tool (2) below, and x is natural number 1,2,3,4,5,6,7,8 ...
As preferably, start described pin-lift arrangement, by carrying from screw automatic supplier, come and to be shelved on screw on described lining off and on through described lining, head into and be arranged in the workpiece screwed hole of waiting to twist screw that this screw passes through below, hole.
One of them number in the preferred natural number 1,2,3,4,5 of x.
The utility model automatic screw tightening device and stubborn screw method thereof, adopting automatic screw tightening instrument substantially, further adopt screw automatic supplier, carries out screw and automatically supply with, and greatly improved stubborn screw operating efficiency; Screw automatic supplier of the present utility model utilizes circular charging tray and the feeding bridge of high frequency directional vibration, and the screw providing is neat and orderly, and continuity is good, and screw is supplied with fast and stable; Screw pass through hole inwall add by soft organic material, made make the abeyant lining of screw, screw passes through top, hole pin-lift arrangement is set, and pin-lift arrangement can accurate, stable screw is headed into be arranged in the workpiece screwed hole of waiting to twist screw that this screw passes through below, hole; Be positioned at the fixing sharp piece on the appropriate location, front end side of described feeding bridge of charging tray, can effectively keep off cap body end on low water bar and be absorbed in the screw in groove, making to be kept off the screw falling, again to fall into circular charging tray alternative.In addition, the utility model automatic screw tightening device is simple in structure, is convenient to make, and less input, is especially applicable to twisting the heavy assembling line of screw workload.More suitable to be difficult to often grab accurate Screw with hand.
Accompanying drawing explanation
Fig. 1 is that the utility model is applied schematic diagram without the automatic screw tightening device of pin-lift arrangement on Product Assembly line;
Fig. 2 is that the utility model is without feeding bridge and the workpiece schematic diagram of pin-lift arrangement;
Fig. 3 is that the utility model has the automatic screw tightening device of pin-lift arrangement to apply schematic diagram on Product Assembly line;
Fig. 4 is feeding bridge and the workpiece schematic diagram that the utility model has pin-lift arrangement;
Fig. 5 is the utility model screw automatic supplier schematic diagram;
Fig. 6 is feeding port and the local enlarged diagram of feeding bridge of the utility model screw automatic supplier;
Fig. 7 is the rear end section enlarged diagram of the utility model embodiment one screw feeding bridge of passing through place, hole;
Fig. 8 is that the utility model embodiment two linings pass through the feeding bridge rear end section enlarged diagram of the whole section of setting in hole along screw;
Fig. 9 is that the utility model embodiment two linings are arranged on the feeding bridge rear end enlarged diagram that screw passes through hole epimere;
Figure 10 is that the utility model embodiment two linings are arranged on the feeding bridge rear end enlarged diagram that screw passes through hole epimere and hypomere.
The specific embodiment
The utility model is by having or not pin-lift arrangement can be divided into two kinds of embodiments.
Embodiment one, without pin-lift arrangement:
As shown in Figure 1, a kind of automatic screw tightening device, comprises screw automatic supplier 1 and automatic screw tightening instrument 2.Screw automatic supplier 1 is as Fig. 5, shown in Fig. 6, comprise circular charging tray 3 and be positioned at the control vibration transformer 4 of its below, at least 2 oblique ribs 5, take 3 as good, be positioned at charging tray 3 below peripheral positions along circumferential layout, obliquely described charging tray 3 is supported on chassis 6 or support, charging tray 3 is provided with a spiral slope 7 along its inner side, initial from trying to get to the heart of a matter, feeding port 8 is set on the sidewall in its final position, the front end of feeding bridge 9 passes feeding port frame in the terminal location on spiral slope 7, feeding bridge 9 arranges an elongated slot 10 above, as shown in Figure 2 or Figure 3, the width of elongated slot 10 and the degree of depth are applicable to the screw of screw 11 and fall in groove, and resting groove, hangs outward on groove head of screw, as shown in Figure 7, the width a of elongated slot 10 is less than the head of screw diameter b of screw 11 and is greater than the thread segment external diameter c of screw 11, the rear end of feeding bridge 9 arranges screw and passes through hole 12, and the diameter d that screw passes through hole 12 is greater than head of screw diameter b.Be positioned on the appropriate location, front end side of feeding bridge 9 of charging tray 3 a fixing sharp piece 13 can be set, for keeping off feeding bridge 9, be absorbed in the screw 11 of elongated slot 10 in cap body end above, the shape of fixing sharp piece 13 and installation site thereof are as shown in Figure 5, Figure 6.
During use, at circular charging tray 3, pack numerous screws into, start and control vibration transformer 4, under vibration force f effect, make screw 11 constantly along charging tray spiral slope, 7 to screw, pass through hole 12 and move with feeding bridge 9, be arranged in order and be positioned at and on automatic assembly line 20, wait that the workpiece of twisting screw, with assembly line 20 intermittent movements, passes through 12 belows, hole and screw screwing-up tool 2 belows through screw successively; When being positioned at screw, N workpiece pass through hole when below, N-x workpiece is just in time positioned at described screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, N screw maintenance head passes through hole 12 in upper vertical mode from screw and falls, in N workpiece screwed hole 17 of partial insertion, screw screwing-up tool is tightened in N-x screw 11 on N-x workpiece simultaneously; After automatic assembly line 20 is again mobile, stop, making to pass through fallen N+1 the screw 11 in hole from screw, in N+1 workpiece screwed hole 17 of partial insertion, while screw screwing-up tool 2 by N-x+1 screw-driving on N-x+1 workpiece 16; X is the workpiece 16 interval location numbers that described screw passes through 12 belows, hole and screw screwing-up tool 2 belows, and x is natural number 1,2,3,4,5,6,7,8 ...Generally, the number of one of them in the preferred natural number 1,2,3,4,5 of x.
As shown in Figure 1, as automatic screw tightening instrument 2 is solid line diagram, automatic screw tightening instrument 2 be positioned at screw pass through workpiece 16 under hole 12 next workpiece 16 directly over, i.e. x=1.For example, when being positioned at screw, the 100th workpiece pass through hole when below, the 99th workpiece 16 is just in time positioned at screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, the 100th screw maintenance head passes through hole 12 in upper vertical mode from screw and falls, in the 100th workpiece screwed hole 17 of partial insertion, screw screwing-up tool 2 is tightened in the 99th screw 11 on the 99th workpiece 16 simultaneously; After automatic assembly line 20 is again mobile, stop, making to pass through fallen the 101st screw 11 in hole 12 from screw, in the 101st workpiece screwed hole 17 of partial insertion, simultaneously screw screwing-up tool 2 by the 100th screw-driving on the 100th workpiece.
As shown in Figure 1, as automatic screw tightening instrument 2 is dotted line diagram, automatic screw tightening instrument 2 be positioned at screw pass through the 3rd workpiece 16 after workpiece 16 under hole 12 directly over, i.e. x=3.For example, when being positioned at screw, the 100th workpiece pass through hole when below, the 97th workpiece 16 is just in time positioned at screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, make to pass through fallen the 100th screw in hole 12 from screw, in the 100th workpiece screwed hole 17 of partial insertion, screw screwing-up tool 2 is tightened in the 97th screw 11 on the 97th workpiece 16 simultaneously; After automatic assembly line 20 is again mobile, stop, making to pass through fallen the 101st screw 11 in hole 12 from screw, in the 101st workpiece screwed hole 17 of partial insertion, simultaneously screw screwing-up tool 2 by the 100th screw-driving on the 98th workpiece 16.
Embodiment two, has pin-lift arrangement:
As shown in Figure 3, present embodiment two is further improvement of doing on the basis of embodiment one, and object is to improve screw 11 from screw, to pass through hole 12 and fall, accuracy and stability in partial insertion workpiece screwed hole 17.Except improvements, other is identical with embodiment one, continues to use in other words embodiment one completely.
Improvements are: screw pass through hole 12 inwalls add by soft organic material, made make the abeyant lining 14 of screw 11; Screw passes through 12 tops, hole pin-lift arrangement 15 is set, the screw 11 that is used for coming carrying from screw automatic supplier 1 and being shelved on lining 14 passes lining 14 off and on, heads into and is arranged in the workpiece screwed hole 17 of waiting to twist screw that this screw passes through 12 belows, hole.As shown in Figure 3, Figure 4, pin-lift arrangement 15 comprises the vertical motion bar 21 being driven by power set, with the top board 22 that vertical motion bar 21 is fixedly connected with, is vertically fixed on top board 22 push rod 23 below, and these push rod 23 alignment screw are passed through hole 12; Vertically motion bar 21 is outer can be set with a spring 24, and its power set can be selected cylinder.Lining 14 tops arrange conical indentation 18, as shown in Fig. 8, Fig. 9, Figure 10.
During use, at circular charging tray, pack numerous screws 11 into, start and control vibration transformer 4, under vibration force f effect, make screw 11 constantly along charging tray spiral slope, 7 to screw, pass through hole 12 and move with feeding bridge 9, be arranged in order and be positioned at and on automatic assembly line 20, wait that the workpiece 16 of twisting screw, with assembly line 20 intermittent movements, passes through 12 belows, hole and screw screwing-up tool 2 belows through screw successively; When N workpiece is positioned at screw and passes through 12 below, hole, N-x workpiece 16 is just in time positioned at screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, start pin-lift arrangement 15, the screw of coming carrying from screw automatic supplier 1 and being shelved on lining passes lining off and on, heads into and is arranged in the workpiece screwed hole 17 of waiting to twist screw that this screw passes through below, hole.Screw screwing-up tool is tightened in N-x screw 11 on N-x workpiece simultaneously; After automatic assembly line is again mobile, stop, making to pass through fallen N+1 the screw 11 in hole from screw, in N+1 workpiece screwed hole 17 of partial insertion, while screw screwing-up tool 2 by N-x+1 screw-driving on N-x+1 workpiece 16; X is the workpiece 16 interval location numbers that screw passes through 12 belows, hole and screw screwing-up tool 2 belows, and x is natural number 1,2,3,4,5,6,7,8 ...Generally, the number of one of them in the preferred natural number 1,2,3,4,5 of x.
As shown in Figure 3, as automatic screw tightening instrument 2 is solid line diagram, automatic screw tightening instrument 2 be positioned at screw pass through workpiece 16 under hole 12 next workpiece 16 directly over, i.e. x=1.For example, when being positioned at screw, the 100th workpiece pass through hole when below, the 99th workpiece 16 is just in time positioned at screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, the 100th screw hit down by the push rod 21 of pin-lift arrangement 15, and keep head from screw, to pass through hole 12 in upper vertical mode falling, in the 100th workpiece screwed hole 17 of partial insertion, screw screwing-up tool 2 is tightened in the 99th screw 11 on the 99th workpiece 16 simultaneously; After automatic assembly line 20 is again mobile, stop, making to pass through fallen the 101st screw 11 in hole 12 from screw, in the 101st workpiece screwed hole 17 of partial insertion, simultaneously screw screwing-up tool 2 by the 100th screw-driving on the 100th workpiece 16.
As shown in Figure 3, as automatic screw tightening instrument 2 is dotted line diagram, automatic screw tightening instrument 2 be positioned at screw pass through the 3rd workpiece 16 after workpiece 16 under hole 12 directly over, i.e. x=3.For example, when being positioned at screw, the 100th workpiece pass through hole when below, the 97th workpiece 16 is just in time positioned at screw screwing-up tool 2 belows, at this moment automatic assembly line 20 stops mobile, make to pass through fallen the 100th screw in hole 12 from screw, in the 100th workpiece screwed hole 17 of partial insertion, screw screwing-up tool 2 is tightened in the 97th screw 11 on the 97th workpiece 16 simultaneously; After automatic assembly line 20 is again mobile, stop, making to pass through fallen the 101st screw 11 in hole 12 from screw, in the 101st workpiece screwed hole 17 of partial insertion, simultaneously screw screwing-up tool 2 by the 100th screw-driving on the 98th workpiece 16.
Compare with embodiment one, embodiment two can significantly improve screw 11 and from screw, pass through hole 12 and fall, accuracy and stability in partial insertion workpiece screwed hole 17.
Claims (8)
1. an automatic screw tightening device, comprise screw automatic supplier (1) and automatic screw tightening instrument (2), described screw automatic supplier (1) comprises circular charging tray (3) and is positioned at the control vibration transformer (4) of its below, at least 2 oblique ribs (5) are positioned at described charging tray (3) below peripheral position along circumferential layout, obliquely described charging tray (3) is supported on chassis (6) or support, described charging tray (3) is provided with a spiral slope (7) along its inner side, initial from trying to get to the heart of a matter, feeding port (8) is set on the sidewall in its final position, the front end of feeding bridge (9) passes feeding port frame in the terminal location on described spiral slope (7), described feeding bridge (9) arranges an elongated slot (10) above, the width of elongated slot (10) and the degree of depth are applicable to the screw of described screw (11) and fall in groove, and resting groove, hangs outward on groove head of screw, the rear end of feeding bridge (9) arranges screw and passes through hole (12).
2. automatic screw tightening device as claimed in claim 1, it is characterized in that, the appropriate location, front end side that is positioned at the described feeding bridge (9) of charging tray (3) is provided with a fixing sharp piece (13), for keeping off feeding bridge (9) screw (11) that cap body end is absorbed in elongated slot (10) above.
3. automatic screw tightening device as claimed in claim 1 or 2, is characterized in that, described screw pass through hole (12) inwall add by soft organic material, made make the abeyant lining of screw (11) (14); Described screw passes through top, hole (12) pin-lift arrangement (15) is set, be used for from screw automatic supplier (1), carrying the screw (11) of coming and being shelved on described lining (14) to pass off and on described lining (14), head into and be arranged in the workpiece screwed hole (17) of waiting to twist screw that this screw passes through below, hole (12).
4. automatic screw tightening device as claimed in claim 3, it is characterized in that, described pin-lift arrangement (15) comprises the vertical motion bar (21) being driven by power set, the top board (22) being fixedly connected with vertical motion bar (21), vertically be fixed on top board (22) push rod (23) below, this push rod (23) is aimed at described screw and is passed through hole (12).
5. automatic screw tightening device as claimed in claim 3, is characterized in that, described lining (14) top arranges conical indentation (18).
6. automatic screw tightening device as claimed in claim 5, is characterized in that, described lining passes through the setting of whole section of hole (12) along described screw.
7. automatic screw tightening device as claimed in claim 5, is characterized in that, described lining is arranged on the epimere that described screw passes through hole (12).
8. automatic screw tightening device as claimed in claim 5, is characterized in that, described lining is arranged on epimere and the hypomere that described screw passes through hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620046.4U CN203471303U (en) | 2013-09-27 | 2013-09-27 | Automatic screw twisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620046.4U CN203471303U (en) | 2013-09-27 | 2013-09-27 | Automatic screw twisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471303U true CN203471303U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320620046.4U Expired - Lifetime CN203471303U (en) | 2013-09-27 | 2013-09-27 | Automatic screw twisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203471303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495858A (en) * | 2013-09-27 | 2014-01-08 | 陈其明 | Automatic screw screwing device and method for screwing screw thereof |
-
2013
- 2013-09-27 CN CN201320620046.4U patent/CN203471303U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495858A (en) * | 2013-09-27 | 2014-01-08 | 陈其明 | Automatic screw screwing device and method for screwing screw thereof |
| CN103495858B (en) * | 2013-09-27 | 2017-02-08 | 陈其明 | Automatic screw screwing device and method for screwing screw thereof |
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