CN210703518U - Automatic screw locking device - Google Patents
Automatic screw locking device Download PDFInfo
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- CN210703518U CN210703518U CN201921356647.2U CN201921356647U CN210703518U CN 210703518 U CN210703518 U CN 210703518U CN 201921356647 U CN201921356647 U CN 201921356647U CN 210703518 U CN210703518 U CN 210703518U
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Abstract
The utility model provides an automatic screw locking device, which relates to the technical field of screw locking, and comprises a bottom plate and at least two movable locking units which are connected with the bottom plate in a sliding way and have different sliding directions; each movable locking and paying unit comprises at least one locking and paying mechanism. The utility model provides a device is paid to screw automatic lock pays through setting up the different removal locks of slip direction and paying the unit on the bottom plate for this device is paid to screw automatic lock can assemble a plurality of screws that the interval is less through a station.
Description
Technical Field
The utility model relates to a technical field is paid to the screw lock, particularly, relates to a device is paid to automatic lock of screw.
Background
In the manufacturing industry, screw assembling operation is widely applied, and at present, screw locking work in product assembling is usually completed by adopting an automatic screw locking machine. With the increasing variety of products needing screw assembly, in many industries, such as the automobile tail lamp assembly industry, a plurality of screws with small intervals need to be assembled; because of the undersize of screw interval, in order to avoid causing the interference each other, current screw locking device can't realize that the single-station lock pays a plurality of screws.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem to the less screw of interval, can't realize that the simplex position lock pays a plurality of screws.
In order to solve the above problems, the utility model provides an automatic screw locking device, which comprises a bottom plate and at least two movable locking units which are connected with the bottom plate in a sliding way and have different sliding directions; each movable locking and paying unit comprises at least one locking and paying mechanism. Through set up the removal of slip direction difference and lock a unit on the bottom plate for this screw automatic locking device can assemble a plurality of screws that the interval is less through a station.
Optionally, the mobile locking and paying unit comprises at least one X-direction mobile locking and paying unit and at least one Y-direction mobile locking and paying unit;
the X-direction movable locking unit is vertical to the Y-direction movable locking unit in the moving direction in the horizontal direction. The manufacturing difficulty of the automatic screw locking device is reduced, and the size of the automatic screw locking device is reduced.
Optionally, the Y-direction moving locking and paying unit includes a Y-direction first moving mechanism sliding on the bottom plate along the Y direction, and three locking and paying mechanisms disposed on the Y-direction first moving mechanism. The Y-direction movable locking unit can be used for assembling a plurality of screws simultaneously, the assembling efficiency is improved, the assembling mode is flexible, and a plurality of screws in various distribution modes can be assembled.
Optionally, the Y-direction first moving mechanism includes a first guide rail arranged on the bottom plate and extending along the Y-direction, a first moving plate slidably connected to the first guide rail, and a second cylinder connected to the first moving plate; the three locking mechanisms are arranged on the first moving plate.
Optionally, the first moving plate comprises a first connecting plate and a second connecting plate which are connected with each other, and the first connecting plate and the second connecting plate are in an L-shaped structure; wherein the first connecting plate is slidably connected with the first guide rail; the first connecting plate is provided with two adjacent locking mechanisms.
Optionally, the Y-direction moving locking and paying unit further includes a Y-direction second moving mechanism sliding on the bottom plate along the Y direction, and the locking and paying mechanism is disposed on the Y-direction second moving mechanism.
Optionally, the X-direction moving locking unit includes an X-direction moving mechanism disposed on the bottom plate and sliding along the X-direction, and the locking mechanism disposed on the X-direction moving mechanism.
Optionally, the locking mechanism comprises a tightening tool, and a drive device connected to the tightening tool.
Optionally, the driving device includes a speed reducer connected to the tightening tool, a servo motor connected to the speed reducer, and a first cylinder connected to the tightening tool.
Compared with the prior art, the utility model provides a device is paid to screw automatic locking has following advantage:
the utility model provides a device is paid to screw automatic lock pays through setting up the different removal locks of slip direction and paying the unit on the bottom plate for this device is paid to screw automatic lock can assemble a plurality of screws that the interval is less through a station.
Drawings
Fig. 1 is a top view of the automatic screw locking device of the present invention;
fig. 2 is a structural diagram of the automatic screw locking device of the present invention.
Description of reference numerals:
1-a bottom plate; 2-X direction movable locking unit; a 21-X direction moving mechanism; 211-a fourth guide rail; 212-a third moving plate; 213-a fourth cylinder; 3-Y direction movable locking unit; a 31-Y direction first moving mechanism; 311-a first guide rail; 312 — a first moving plate; 3121-a first connecting plate; 3122-a second connecting plate; 313-a second cylinder; 314-a second guide rail; 32-a second movement mechanism; 321-a third guide rail; 322-a second moving plate; 323-a third cylinder; 4-a locking mechanism; 41-a tightening tool; 42-a drive device; 421-a speed reducer; 422-servo motor; 423-first cylinder; 43-position detection means; 431-displacement sensor; 432-mounting block.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Example one
In order to solve the problem that the single-station locking and paying of a plurality of screws cannot be realized when the screw spacing of the conventional screw locking and paying device is small, referring to fig. 1, the embodiment provides an automatic screw locking and paying device which comprises a bottom plate 1 and at least two movable locking and paying units which are connected with the bottom plate 1 in a sliding manner and have different sliding directions; each mobile locking unit comprises at least one locking mechanism 4.
The locking mechanism 4 is used for locking the screw; arranging a locking mechanism 4 on a movable locking unit in sliding connection with a bottom plate 1, moving the locking mechanism 4 to a corresponding screw mounting position by sliding the movable locking unit along the bottom plate 1, and mounting a corresponding screw by the locking mechanism 4; through setting up two at least removal locking units that the slip direction is different for locking mechanism 4 that sets up respectively on the removal locking unit that has different slip directions can move along different directions on bottom plate 1, thereby makes and is located same bottom plate 1, and the automatic locking device of screw that is in same station promptly can assemble a plurality of screws.
Particularly, when the distance between a plurality of adjacent screws is too small, if the automatic screw locking device simultaneously assembles a plurality of screws, the adjacent locking mechanisms 4 will interfere with each other; according to the automatic screw locking device provided by the embodiment, as the movable locking units which can be connected with the bottom plate 1 in a sliding manner and have different sliding directions are arranged on the bottom plate 1, when a plurality of screws with undersized intervals are assembled, the locking units can be moved through the moving parts, when the screws are assembled partially and simultaneously, the locking mechanisms 4 which do not cause interference with each other are moved to the positions of the screws to be assembled so as to assemble the screws; after the assembly is completed, the lock pair mechanism 4 which is completed with the assembly is withdrawn by moving the lock pair unit, and meanwhile, the other lock pair mechanism 4 which does not cause interference with each other is moved to the corresponding screw assembly position by the same method, so that the corresponding screw is assembled; and sequentially circulating until all the screws are assembled, so that a plurality of screws can be locked in a single station when the screw spacing is small.
The number of the movable locking units arranged on the bottom plate 1, the sliding direction of each movable locking unit along the bottom plate 1, the number of the locking mechanisms 4 arranged on each locking unit and the relative positions of the locking mechanisms 4 can be determined according to the condition of screws to be assembled, so that the automatic screw locking device can adapt to the assembly of the screws arranged in various modes.
The automatic screw locking device provided by the embodiment can assemble a plurality of screws with small intervals through one station by arranging the movable locking units with different sliding directions on the bottom plate 1.
Example two
In addition to the first embodiment, the present embodiment takes two movable locking units with perpendicular sliding directions provided on the bottom plate 1 as an example, and describes an automatic screw locking device.
Referring to fig. 2, the movable locking unit includes at least one X-direction movable locking unit 2 and at least one Y-direction movable locking unit 3; wherein the moving direction of the X-direction moving locking unit 2 and the moving direction of the Y-direction moving locking unit 3 in the horizontal direction are vertical.
Specifically, the direction in which the X-direction moving locking unit 2 slides along the bottom plate 1 is taken as the X-axis direction, and the direction in which the Y-direction moving locking unit 3 slides along the bottom plate 1 is taken as the Y-axis direction; the specific directions of the X-axis and the Y-axis are shown by direction marks in fig. 1.
By moving the X-direction moving locking unit 2 in the X-axis direction, the locking mechanism 4 provided on the X-direction moving locking unit 2 is also moved in the X-axis direction; similarly, the locking mechanism 4 arranged on the Y-direction movable locking unit is also moved along the Y-axis direction by the movement of the Y-direction movable locking unit 3 along the Y-axis direction; according to the assembling positions of the screws, the X-direction movable locking unit 2 and the Y-direction movable locking unit 3 can be simultaneously moved to corresponding screw assembling positions, and the screws are assembled simultaneously; when the distance between the assembling positions of the adjacent screws is small, in order to avoid interference between the locking mechanisms 4 caused by assembling a plurality of screws at the same time, the corresponding screws can be assembled through any one of the X-direction movable locking unit 2 or the Y-direction movable locking unit 3, the corresponding movable locking units are withdrawn after the assembly is finished, and then the rest screws are assembled through the rest movable locking units.
According to the distribution of the screw assembling positions under normal conditions, the movable locking units are arranged into the X-direction movable locking unit 2 and the Y-direction movable locking unit 3 with the moving directions perpendicular to each other, so that screws with various distribution modes can be assembled, and the X-direction movable locking unit 2 and the Y-direction movable locking unit 3 are perpendicular to each other in the moving directions, so that the manufacturing difficulty of the automatic screw locking device is reduced, and the size of the automatic screw locking device is reduced.
EXAMPLE III
In addition to the second embodiment, referring to fig. 1, the Y-direction moving locking unit 3 includes a Y-direction first moving mechanism 31 that slides on the base plate 1 in the Y direction, and three locking mechanisms 4 provided on the Y-direction first moving mechanism 31.
The distribution of the three locking mechanisms 4 arranged on the Y-direction first moving mechanism 31 depends on the positions of the screws to be assembled; when the Y-direction moving locking unit 3 is used for assembling corresponding screws, the Y-direction first moving mechanism 31 can slide to drive all the three locking mechanisms 4 to corresponding screw assembling positions, and the three screws are assembled at the same time; when the distance between adjacent screws is too small, or the distribution mode of the screws is special, one or two of the three locking mechanisms 4 can be firstly assembled at the corresponding screw assembling position, after the corresponding screws are assembled, the Y-direction first moving mechanism 31 is slid again, the rest locking mechanisms 4 are assembled at the corresponding screw assembling positions, and the corresponding screws are assembled, so that the plurality of screws can be assembled at the same time through the Y-direction moving locking unit 3, the assembling efficiency is improved, the assembling mode is flexible, and the plurality of screws in various distribution modes can be assembled.
Specifically, the Y-direction first moving mechanism 31 in this embodiment includes a first guide rail 311 disposed on the bottom plate 1 and extending along the Y-direction, a first moving plate 312 slidably connected to the first guide rail 311, and a second cylinder 313 connected to the first moving plate 312; the three locking mechanisms 4 are disposed on the first moving plate 312.
When the automatic screw locking device works, the second cylinder 313 operates to drive the first moving plate 312 connected with the automatic screw locking device to slide along the first guide rail 311, and further drive the three locking mechanisms 4 arranged on the first moving plate 312 to move.
The specific shape of the first moving plate 312 may be determined according to the layout of the three locking mechanisms 4; for example, to meet the loading requirement of a certain type of automobile tail lamp, the first moving plate 312 in this embodiment includes a first connecting plate 3121 and a second connecting plate 3122 that are connected to each other, and the first connecting plate 3121 and the second connecting plate 3122 are in an L-shaped structure; two adjacently arranged locking mechanisms 4 are arranged on the first connecting plate 3121, and for convenience of description, referring to fig. 1, the two locking mechanisms 4 arranged on the first connecting plate 3121 are respectively denoted as a and B; the second connecting plate 3122 is provided with another locking mechanism 4, and the locking mechanism 4 is denoted by C.
In order to facilitate the second cylinder 313 to drive the first moving plate 312 to slide, the Y-direction first moving mechanism 31 in this embodiment may further include a second guide rail 314 disposed on the bottom plate 1 and extending along the Y-direction, and the second connecting plate 3122 is slidably connected to the second guide rail 314; by providing the second guide rail 314 below the second connecting plate 3122, on the one hand, the sliding resistance of the first moving plate 312 can be reduced, and on the other hand, the coupling strength of the first moving plate 312 can be increased.
In order to assemble a plurality of screws at the same station, the Y-direction moving locking unit 3 in this embodiment further includes a Y-direction second moving mechanism 32 sliding on the base plate 1 in the Y direction, and a locking mechanism 4 provided on the Y-direction second moving mechanism 32; for convenience of description, the lock mechanism 4 provided on the Y-direction second moving mechanism 32 will be referred to as D.
When the automatic screw locking and fixing device is used for screw assembling, the Y-direction second moving mechanism 32 and the Y-direction first moving mechanism 31 can be moved to corresponding positions according to the positions of screws to be assembled, and meanwhile, the corresponding screws are assembled; or one of the moving mechanisms can be moved to the corresponding position to assemble the screw, and then the other moving mechanism is moved to assemble the screw.
Similar to the structure of the Y-direction first moving mechanism 31, the Y-direction second moving mechanism 32 includes a third guide rail 321 arranged on the bottom plate 1 and extending along the Y-direction, a second moving plate 322 slidably connected to the third guide rail 321, and a third cylinder 323 connected to the second moving plate 322; the lock mechanism 4 is provided on the second moving plate 322.
The working process of the Y-direction second moving mechanism 32 is the same as that of the Y-direction first moving mechanism 31, and is not described in detail herein.
The X-direction movement locking unit 2 includes an X-direction movement mechanism 21 provided on the base plate 1 to slide in the X-direction, and a locking mechanism 4 provided on the X-direction movement mechanism 21, similarly to the structure of the Y-direction movement unit 3.
The number and the distribution mode of the locking mechanisms 4 arranged on the X-direction moving mechanism 21 can be determined according to the distribution mode of the positions of the screws to be assembled; the X-direction moving lock payment unit 2 will be described herein with reference to the number of lock payment mechanisms 4 provided on the X-direction moving mechanism 21 as an example; for convenience of description, the locking mechanism 4 provided on the X-direction moving mechanism 21 will be referred to as E herein with reference to fig. 1.
As in the operation of the Y-direction moving unit 3, when the X-direction moving locking unit 2 is used to assemble the corresponding screw, the X-direction moving mechanism 21 is slid to drive the locking mechanism 4 to the corresponding screw assembling position, so as to assemble the screw.
The X-direction moving mechanism 21 includes a fourth guide rail 211 disposed on the bottom plate 1 and extending along the X-direction, a third moving plate 212 slidably connected to the fourth guide rail 211, and a fourth cylinder 213 connected to the third moving plate 212; the locking mechanism 4 is provided on the third moving plate 212.
When the automatic screw locking device works, the fourth cylinder 213 operates to drive the third moving plate 212 connected to the fourth cylinder to slide along the fourth guide rail 211, so as to drive the locking mechanism 4 arranged on the third moving plate 212 to move.
In order to meet different screw assembling requirements, the layout of the plurality of locking mechanisms 4 positioned at the same station, namely the same screw automatic locking device, can be set, and then the assembling program is set according to the layout of the plurality of locking mechanisms 4 and the screw assembling requirements.
In order to understand the assembling process of the automatic screw locking device deeply, the assembling process of the automatic screw locking device provided in this embodiment is described by taking tail lamp loading of a certain vehicle as an example.
Referring to fig. 1, when the automatic screw locking and paying device provided in this embodiment is used to assemble screws, the second cylinder 313 may drive the first moving plate 312 to move, so that the locking and paying mechanism 4 marked with a on the first moving plate 312 moves to the position of a screw to be assembled, and the fourth cylinder 213 drives the third moving plate 212 to move, so that the locking and paying mechanism 4 marked with E on the third moving plate 212 moves to the position of the screw to be assembled, and the PLC control system controls the locking and paying mechanism 4 marked with a and the locking and paying mechanism 4 marked with E to simultaneously assemble the corresponding screws; after the assembly is completed, the second cylinder 313 drives the first moving plate 312, and the fourth cylinder 213 drives the third moving plate 212 to withdraw from the screw assembly position; then, the second cylinder 313 drives the first moving plate 312, and the third cylinder 323 drives the second moving plate 322 to move to the corresponding screw mounting position, so that the locking mechanisms 4 marked B and C on the first moving plate 312 and the locking mechanism 4 marked D on the second moving plate 322 assemble the corresponding screws, thereby realizing the assembly of a plurality of screws at the same station.
Wherein the locking mechanism 4 marked with a and the locking mechanism 4 marked with B are adjacently arranged on the first connecting plate 3121, by setting the relative relationship between the locking mechanism 4 marked a and the locking mechanism 4 marked B, after the screw assembly of the locking mechanism 4 marked as a is completed, the second cylinder 313 drives the first moving plate 312 to move in the direction away from the locking mechanism 4 marked as B, at the same time, the first moving plate 312 drives the locking mechanism 4 marked B to move in the direction close to the locking mechanism 4 marked a, and when the locking mechanism 4 marked B moves to the position where the locking mechanism 4 marked a performs screw assembling, the movement is stopped, therefore, the locking mechanism 4 marked with the symbol A and the screw locking mechanism 4 marked with the symbol B can assemble the screws at the same position, and the application range of the automatic screw locking device is further expanded.
Example four
On the basis of the above embodiment, referring to fig. 2, the lock mechanism 4 includes a tightening tool 41, a driving device 42 connected to the tightening tool 41, and a position detecting device 43 connected to the tightening tool 41.
Wherein the specific model and specification of the tightening tool 41 are determined according to the model and specification of the screw to be assembled; the specific structure of the tightening tool 41 can be found in the prior art, such as the tightening tool provided in the patent with the application number 201721864933.0, and will not be described in detail herein; during the operation of the locking mechanism 4, the driving device 42 drives the tightening tool 41 to rise to a height corresponding to the position of the screw to be assembled according to the position of the tightening tool 41 detected by the position detecting device 43, and then drives the tightening tool 41 to tighten the screw, thereby completing the assembly of the screw.
Specifically, the driving device 42 includes a speed reducer 421 connected to the tightening tool 41, a servo motor 422 connected to the speed reducer 421, and a first cylinder 423 connected to the tightening tool 41.
The first cylinder 423 is used for controlling the height of the tightening tool 41, and after the first cylinder 423 lifts the tightening tool 41 to a height matched with the installation of the screw, the servo motor 422 is matched with the speed reducer 421 to drive the tightening tool 41 to tighten the screw; the locking depth of the screw is detected by the position detection device 43 connected with the tightening tool 41, when the locking depth reaches a set value, the position detection device 43 sends a corresponding signal, the PLC control system sends a signal that the driving device 42 stops running after receiving the signal, the tightening tool 41 stops tightening the screw, and the assembly of the screw is completed.
The specific connection structure among the first cylinder 423, the tightening tool 41, the servo motor 422 and the speed reducer 421 can be any structure capable of implementing the operation method provided by the present embodiment in the prior art, for example, refer to the connection structure among the cylinder 13, the motor 12, the speed reducer 11 and the suction nozzle 1 in the patent with the application number 201721324317.6.
Wherein the position detecting means 43 comprises a displacement sensor 431, the displacement sensor 431 being connected to the tightening tool 41 via a mounting block 432.
By connecting the displacement sensor 431 with the tightening tool 41, the displacement sensor 431 can detect the position of the tightening tool 41, so that the locking depth of the screw locking device meets the locking requirement, and the precision and the automation degree of the screw assembling of the screw automatic locking device are improved.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (9)
1. The automatic screw locking device is characterized by comprising a bottom plate (1) and at least two movable locking units which are connected with the bottom plate (1) in a sliding manner and have different sliding directions; each of the mobile locking units comprises at least one locking mechanism (4).
2. The automatic screw locking device according to claim 1, characterized in that said mobile locking unit comprises at least one X-mobile locking unit (2) and at least one Y-mobile locking unit (3);
the X-direction moving locking unit (2) is vertical to the Y-direction moving locking unit (3) in the moving direction of the horizontal direction.
3. The automatic screw locking and delivering device according to claim 2, wherein the Y-direction movable locking and delivering unit (3) comprises a Y-direction first moving mechanism (31) sliding on the base plate (1) in the Y-direction, and three locking and delivering mechanisms (4) provided on the Y-direction first moving mechanism (31).
4. The automatic screw locking and paying device according to claim 3, characterized in that the Y-direction first moving mechanism (31) comprises a first guide rail (311) arranged on the bottom plate (1) and extending along the Y direction, a first moving plate (312) connected with the first guide rail (311) in a sliding way, and a second air cylinder (313) connected with the first moving plate (312); the three locking mechanisms (4) are arranged on the first moving plate (312).
5. The automatic screw locking device according to claim 4, characterized in that said first moving plate (312) comprises a first connecting plate (3121) and a second connecting plate (3122) connected to each other, said first connecting plate (3121) and said second connecting plate (3122) having an L-shaped configuration; wherein the first connecting plate (3121) is in sliding connection with the first guide rail (311); the first connecting plate (3121) is provided with two adjacently arranged locking mechanisms (4).
6. The automatic screw locking and delivering device according to claim 3, wherein the Y-direction movable locking and delivering unit (3) further comprises a Y-direction second moving mechanism (32) sliding on the base plate (1) along the Y direction, and the locking and delivering mechanism (4) provided on the Y-direction second moving mechanism (32).
7. The automatic screw locking and paying device according to claim 2, wherein the X-direction moving locking and paying unit (2) comprises an X-direction moving mechanism (21) provided on the base plate (1) to slide in the X-direction, and the locking and paying mechanism (4) provided on the X-direction moving mechanism (21).
8. Screw automatic locking device according to any one of claims 1 to 7, characterized in that said locking mechanism (4) comprises a tightening tool (41) and a driving device (42) connected to said tightening tool (41).
9. The automatic screw locking device according to claim 8, characterized in that said driving means (42) comprise a reducer (421) associated with said tightening tool (41), a servomotor (422) associated with said reducer (421), and a first cylinder (423) associated with said tightening tool (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356647.2U CN210703518U (en) | 2019-08-21 | 2019-08-21 | Automatic screw locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356647.2U CN210703518U (en) | 2019-08-21 | 2019-08-21 | Automatic screw locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210703518U true CN210703518U (en) | 2020-06-09 |
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ID=70940877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921356647.2U Active CN210703518U (en) | 2019-08-21 | 2019-08-21 | Automatic screw locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210703518U (en) |
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2019
- 2019-08-21 CN CN201921356647.2U patent/CN210703518U/en active Active
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