Screw locking fool-proof device
By designing a screw-locking error-proof device, and utilizing the combination of a baffle and an electric screwdriver, the system achieves automated management of screw types, solving the problem of screw mixing caused by human error and improving assembly efficiency and product quality.
Patent Information
- Application Number
- CN202423189957.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-23
AI Technical Summary
When assembling electronic products, manual judgment of screw types can easily lead to errors, resulting in the use of the wrong screws and affecting product quality.
Design a screw-locking foolproof device, including N material trays, a housing and N-1 baffles. The exposure order of the material trays is controlled by sliding the baffles. Combined with an electric screwdriver and a drive mechanism, it realizes automated management of screw types.
It effectively reduces the risk of mixing screws and improves the accuracy of screw usage and product quality.
Smart Images

Figure CN223734323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of processing, in particular to a screw locking foolproof device. BACKGROUND
[0002] In the process of assembling electronic products such as mobile phones, tablets and notebooks, different types of screws are needed. In the process of locking the screws to the products, it is inevitable to make mistakes in judging the screw types, which leads to the mixing of screws and affects the quality of the products. CONTENT OF THE INVENTION
[0003] In view of the above situation, the present application provides a screw locking foolproof device to reduce the risk of screw mixing.
[0004] The embodiment of the present application provides a screw locking foolproof device. The screw locking foolproof device comprises N trays, a shell and N-1 baffles, and N≥2. The N trays are configured to accommodate different types of screws respectively. The shell comprises a base and a cover connected along a first direction, and a first accommodating cavity is arranged between the base and the cover. The N trays are arranged in the first accommodating cavity along a second direction, and the cover is provided with an opening communicating with the first accommodating cavity. The first direction is perpendicular to the second direction. The N-1 baffles are arranged between the cover and the trays, each baffle is slidably connected to the shell along the second direction and is configured to cover one of the trays, and the N-1 baffles are configured to cover N-1 trays and expose the remaining one tray from the opening.
[0005] In the above screw locking foolproof device, the N-1 baffles are arranged between the cover and the trays, each baffle is slidably connected to the shell along the second direction and is configured to cover one of the trays, and the N-1 baffles are configured to cover N-1 trays and expose the remaining one tray from the opening. The opening only exposes one tray at a time under the shielding effect of the N-1 baffles, i.e. the opening only exposes one type of screw at a time under the shielding effect of the N-1 baffles. By sliding the baffles along the second direction, the N trays can be exposed from the opening in a set order, and the electric screwdriver takes out the screws from the trays exposed from the opening, thereby reducing the risk of screw mixing.
[0006] In some embodiments of the present application, along the second direction, the projections of the N-1 baffles are arranged in turn along the first direction, thereby reducing the risk of interference between the baffles when sliding.
[0007] In some embodiments of the present application, the screw locking fool-proof device comprises a driving mechanism, the driving mechanism comprises a controller and at least one driving member. The driving member is arranged in the first accommodating cavity, and each driving member is drivingly connected with a baffle. The controller is located outside the shell, the cover body is provided with a first connector, and the controller is electrically connected with the driving member through the first connector. The controller controls the corresponding driving member to operate through an electrical signal, so as to realize the automatic function that the N trays are sequentially exposed from the opening according to the set order. Through the first connector provided on the cover body, the position of the shell and the controller can be adjusted to adapt to different use scenarios.
[0008] In some embodiments of the present application, the shell comprises a support connected to the base and arranged in the first accommodating cavity. The support comprises a first surface facing the cover body, and the first surface is provided with a plurality of accommodating grooves arranged at intervals in the second direction, each accommodating groove clamping a tray to improve the stability of the tray in the accommodating cavity.
[0009] In some embodiments of the present application, the support comprises two second surfaces oppositely arranged in the third direction, and the first direction, the second direction and the third direction are perpendicular to each other. The screw locking fool-proof device further comprises a guide mechanism, the guide mechanism comprises a sliding rail and a plurality of guide members. The sliding rail is connected to the second surface and extends along the second direction, and each guide member is slidingly connected to the sliding rail. Each guide member protrudes out of the first surface along the first direction and is connected with a baffle, so as to improve the stability of the baffle sliding along the second direction.
[0010] In some embodiments of the present application, the driving member is connected to the second surface. The driving member is a gas cylinder, and the driving member has a cylinder rod movable along the second direction, and the cylinder rod is connected with the guide member.
[0011] In some embodiments of the present application, the driving mechanism comprises an electromagnetic valve, a gas pressure gauge and a PLC control member arranged in the first accommodating cavity. The gas inlet end of the gas pressure gauge is connected with an external gas source, the gas outlet end of the gas pressure gauge is connected with the gas inlet end of the electromagnetic valve, the gas outlet end of the electromagnetic valve is connected with the driving member, and the PLC control member is electrically connected between the driving member and the controller. Through the cooperation of the controller, the driving member, the electromagnetic valve, the gas pressure gauge and the PLC control member, the stability of the driving mechanism in operation is improved.
[0012] In some embodiments of the present application, the screw locking fool-proof device further comprises a plurality of electric screwdrivers. The cover body is provided with a plurality of second connectors, and each electric screwdriver is electrically connected with the controller through one second connector. The controller is configured to energize one of the electric screwdrivers, and the energized electric screwdriver is matched with the screw in the tray exposed from the opening, so as to reduce the risk of mixing the electric screwdrivers.
[0013] In some embodiments of the present application, the cover is provided with a plurality of indicator lights, each of which is close to a second joint and electrically connected with the corresponding second joint, and the indicator light is configured to emit light when the corresponding second joint controls the electric screwdriver to be powered on, so as to visually remind the operator to operate using the corresponding electric screwdriver.
[0014] In some embodiments of the present application, N=3, the number of baffles is two, the number of sliding rails is four, the number of guides is two, and the number of driving members is two, each second surface is provided with two sliding rails, a guide and a driving member, and the two sliding rails are arranged in parallel and connected with one guide. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of a screw locking foolproof device in an embodiment of the present application.
[0016] Figure 2 is Figure 1 is a sectional view of the screw locking foolproof device along the section line A-A in
[0017] Figure 3 is a structural schematic view of a screw locking foolproof device in a first state in an embodiment of the present application.
[0018] Figure 4 is a structural schematic view of a screw locking foolproof device in a second state in an embodiment of the present application.
[0019] Figure 5 is a structural schematic view of a screw locking foolproof device in a third state in an embodiment of the present application.
[0020] Figure 6 is Figure 1 is a sectional view of the screw locking foolproof device along the section line B-B in
[0021] Figure 7 is Figure 1 is a sectional view of the screw locking foolproof device along the section line C-C in
[0022] MAIN ELEMENT SYMBOL EXPLANATION
[0023] screw locking foolproof device 100
[0024] electric screwdriver 10
[0025] first electric screwdriver 10A
[0026] second electric screwdriver 10B
[0027] tray 20
[0028] first tray 20A
[0029] Second tray 20B
[0030] Third tray 20C
[0031] Housing 30
[0032] First accommodating cavity 30A
[0033] Opening 30B
[0034] Base 31
[0035] Cover 32
[0036] First joint 321
[0037] Second joint 322
[0038] Indicator light 323
[0039] First indicator light 323A
[0040] Second indicator light 323B
[0041] Support 33
[0042] First surface 331
[0043] Accommodating groove 331A
[0044] Second surface 332
[0045] First support plate 333
[0046] Second support plate 334
[0047] Baffle 40
[0048] First baffle 40A
[0049] Second baffle 40B
[0050] Driving mechanism 50
[0051] Driving member 51
[0052] Cylinder rod 511
[0053] Solenoid valve 52
[0054] Air pressure gauge 53
[0055] PLC control member 54
[0056] Guiding mechanism 60
[0057] Slide rail 61
[0058] Guide member 62
[0059] A first direction Z
[0060] A second direction X
[0061] A third direction Y
[0062] The following detailed description will further describe the present application with reference to the above-mentioned drawings. DETAILED DESCRIPTION
[0063] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.
[0064] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or can exist with a middle element in between. When an element is considered to be "arranged" in another element, it can be directly arranged in the other element or can exist with a middle element in between. It should be understood that, considering the actual processing tolerance, when two elements are arranged in the same direction in the technical solutions of the present application, there can be a certain angle between the two elements, and the angle between the two elements is allowed to have a tolerance of 0-±10%.
[0065] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. As used herein, the term "overlap" means that the projection of two components overlaps or the projections of two components coincide.
[0066] The embodiments of the present application will be further described below with reference to the drawings.
[0067] Please refer to Figure 1 and Figure 2 An embodiment of the present application provides a screw locking foolproof device 100, which comprises an electric screwdriver 10, N magazine trays 20, a housing 30, and N-1 baffles 40. Wherein, N≥2. Optionally, N can be 2, 3, 4, 5, 6, 7, 8, and any other natural number in the range of N≥2.
[0068] The N magazine trays 20 are configured to respectively accommodate different types of screws. Specifically, each magazine tray 20 accommodates one type of screws. The electric screwdriver 10 is used to take screws from different magazine trays 20, and the electric screwdriver 10 is also used to lock the screws on a product.
[0069] The shell 30 comprises a base 31 and a cover 32 connected along a first direction Z, and a first accommodating cavity 30A is arranged between the base 31 and the cover 32. N trays 20 are arranged in the first accommodating cavity 30A along a second direction X, and the cover 32 is provided with an opening 30B communicating with the first accommodating cavity 30A. The first direction Z is perpendicular to the second direction X. Specifically, along the first direction Z, the projection of each tray 20 is located within the projection range of the opening 30B.
[0070] N-1 baffles 40 are arranged between the cover 32 and the trays 20, each baffle 40 is slidably connected to the shell 30 along the second direction X and is configured to cover one of the trays 20, and the N-1 baffles 40 are configured to cover N-1 trays 20 and expose the remaining one tray 20 from the opening 30B. The opening 30B only exposes one tray 20 at a time under the shielding action of the N-1 baffles 40, that is, the opening 30B only exposes one type of screw at a time under the shielding action of the N-1 baffles 40, and by sliding the baffles 40 along the second direction X, the N trays 20 can be exposed from the opening 30B in a set order, and the electric screwdriver 10 takes out the screws from the tray 20 exposed from the opening 30B to reduce the risk of screw mixing.
[0071] Please refer to Figure 3 , specifically, taking N=3 as an example, the screw locking fool-proof device 100 comprises three trays 20 and two baffles 40. The three trays 20 are defined as a first tray 20A, a second tray 20B and a third tray 20C arranged in sequence along the second direction X, and the two baffles 40 are a first baffle 40A and a second baffle 40B.
[0072] When the screw locking fool-proof device 100 is in the first state, the first baffle 40A covers the second tray 20B, the second baffle 40B covers the third tray 20C, and the opening 30B only exposes the first tray 20A, and the electric screwdriver 10 takes the first type of screw from the first tray 20A and locks the first type of screw on the product.
[0073] Please refer to Figure 4 , when the first type of screw is locked in place, the first baffle 40A slides along the second direction X and covers the first tray 20A, and the second baffle 40B remains stationary, the screw locking fool-proof device 100 switches to the second state, the opening 30B only exposes the second tray 20B, and the electric screwdriver 10 takes the second type of screw from the second tray 20B and locks the second type of screw on the product.
[0074] Please refer to Figure 5When the second type of screw is locked in place, the second shutter 40B slides along the second direction X and covers the second tray 20B, the first shutter 40A remains stationary, the screw locking fool-proof device 100 switches to the third state, the opening 30B only exposes the third tray 20C, and the electric screwdriver 10 takes the third type of screw from the third tray 20C and locks the third type of screw on the product.
[0075] It should be noted that the order in which the first tray 20A, the second tray 20B and the third tray 20C are exposed from the opening 30B can be adjusted according to the order of use of the multiple types of screws.
[0076] It can be understood that the N trays 20 are configured to respectively contain other common pieces similar to screws, such as nuts, washers, rivets, etc., and correspondingly, the electric screwdriver 10 is replaced by an assembly device suitable for the common pieces contained in the trays 20.
[0077] Please refer to Figure 2 In some embodiments, the projections of the N-1 shutters 40 are arranged in sequence along the first direction Z to reduce the risk of interference between the shutters 40 when sliding.
[0078] Please refer to Figure 1 and Figure 6 In some embodiments, the screw locking fool-proof device 100 includes a driving mechanism 50, which includes a controller (not shown in the figure) and driving members 51. The driving members 51 are arranged in the first accommodating cavity 30A, and each driving member 51 is drivingly connected to a shutter 40 to drive the shutter 40 to slide along the second direction X. The controller is located outside the housing 30, and the cover 32 is provided with a first connector 321, and the controller is electrically connected to the driving members 51 through the first connector 321. The controller controls the corresponding driving members 51 to operate through electrical signals, so as to realize the automatic function of the N trays 20 being exposed from the opening 30B in a set order. By providing the first connector 321 on the cover 32, the positions of the housing 30 and the controller can be adjusted to adapt to different use scenarios.
[0079] Optionally, the driving members 51 are air cylinders or motors.
[0080] Please refer to Figure 1 and Figure 7 In some embodiments, the housing 30 includes a support member 33 connected to the base 31 and arranged in the first accommodating cavity 30A. The support member 33 includes a first surface 331 facing the cover 32, and the first surface 331 is provided with a plurality of accommodating grooves 331A arranged at intervals along the second direction X, each accommodating groove 331A clamping a tray 20 to improve the stability of the tray 20 in the first accommodating cavity 30A.
[0081] Please refer toFigure 6 and Figure 7 In some embodiments, the support 33 comprises two second surfaces 332 oppositely arranged along a third direction Y, the first direction Z, the second direction X and the third direction Y being perpendicular to each other.
[0082] The screw fool-proof device 100 further comprises a guiding mechanism 60, the guiding mechanism 60 comprising a slide rail 61 and a plurality of guides 62. The slide rail 61 is connected to the second surface 332 and extends along the second direction X, and each guide 62 is slidingly connected to the slide rail 61. Each guide 62 protrudes out of the first surface 331 along the first direction Z and is connected to one baffle 40, so as to improve the stability of the baffle 40 sliding along the second direction X.
[0083] Further, a plurality of slide rails 61 are arranged on one second surface 332 in parallel, and each guide 62 is slidingly connected to the plurality of slide rails 61, so as to improve the stability of the guide 62 sliding along the second direction X, and further improve the stability of the baffle 40 sliding along the second direction X.
[0084] Optionally, two slide rails 61 are arranged on one second surface 332 in parallel.
[0085] In some embodiments, the driving member 51 is connected to the second surface 332. The driving member 51 is a cylinder, and the driving member 51 has a cylinder rod 511 movable along the second direction X, the cylinder rod 511 being connected to the guide 62 to drive the guide 62 to slide along the second direction X.
[0086] Please refer to Figure 6 and Figure 7 In some embodiments, the driving mechanism 50 comprises an electromagnetic valve 52, an air pressure gauge 53 and a PLC control member 54 arranged in the first accommodating cavity 30A. The air inlet end of the air pressure gauge 53 is connected to an external air source, the air outlet end of the air pressure gauge 53 is connected to the air inlet end of the electromagnetic valve 52, the air outlet end of the electromagnetic valve 52 is connected to the driving member 51, and the PLC control member 54 is electrically connected between the driving member 51 and the controller. The air pressure gauge 53 is used to adjust the air pressure parameter, the electromagnetic valve 52 is used to control the on-off of the gas from the external air source to the driving member 51, and the PLC control member 54 is used for signal interaction between the controller and the driving member 51. Through the cooperation of the controller, the driving member 51, the electromagnetic valve 52, the air pressure gauge 53 and the PLC control member 54, the stability of the driving mechanism 50 in operation is improved.
[0087] In some embodiments, the support 33 comprises a first support plate 333 and two second support plates 334, the first support plate 333 is spaced apart from the inner wall of the base 31 along the first direction Z, each second support plate 334 is connected between the first support plate 333 and the inner wall of the base 31, and the two second support plates 334 are spaced apart along the third direction Y. The first surface 331 is formed on the first support plate 333, and the second surface 332 is formed on the second support plate 334. The electromagnetic valve 52 and the PLC control 54 are located between the two second support plates 334, so as to reduce the risk of external interference on the electromagnetic valve 52 and the PLC control 54.
[0088] Please refer to Figure 6 , specifically, taking N=3 as an example, the screw locking foolproof device 100 comprises three trays 20, two baffles 40, four sliding rails 61, two guides 62, and two driving members 51. Each second surface 332 is provided with two sliding rails 61, one guide 62, and one driving member 51, and the two sliding rails 61 are arranged straight and connected to one guide 62.
[0089] Please refer to Figure 1 , in some embodiments, the number of electric screwdrivers 10 is multiple, the cover 32 is provided with multiple second connectors 322, and each electric screwdriver 10 is electrically connected to the controller through one second connector 322. The controller is configured to energize one of the electric screwdrivers 10, and the energized electric screwdriver 10 is adapted to the screw in the tray 20 exposed from the opening 30B, so as to reduce the risk of mixing of the electric screwdrivers 10.
[0090] In some embodiments, the cover 32 is provided with multiple indicator lights 323, each indicator light 323 is close to one second connector 322 and electrically connected to the corresponding second connector 322, and the indicator light 323 is configured to emit light when the corresponding second connector 322 controls the electric screwdriver 10 to be energized, so as to visually remind the operator to use the corresponding electric screwdriver 10 for operation.
[0091] Please refer to Figure 3 , Figure 4 and Figure 5 , specifically, taking N=3 as an example, the screw locking foolproof device 100 comprises three trays 20, two baffles 40, two electric screwdrivers 10, two second connectors 322, and two indicator lights 323.
[0092] The three trays 20 are defined as a first tray 20A, a second tray 20B and a third tray 20C arranged in the second direction X in sequence, the two electric screwdrivers 10 are defined as a first electric screwdriver 10A and a second electric screwdriver 10B, and the two indicator lights 323 are defined as a first indicator light 323A and a second indicator light 323B. The first indicator light 323A is electrically connected to the second joint 322 connected to the first electric screwdriver 10A, and the second indicator light 323B is electrically connected to the second joint 322 connected to the second electric screwdriver 10B.
[0093] The first electric screwdriver 10A is adapted to the model of the screws of the first tray 20A and the second tray 20B, and the second electric screwdriver 10B is adapted to the model of the screws of the third tray 20C. When the opening 30B only exposes the first tray 20A, the first electric screwdriver 10A is powered on and the first indicator light 323A emits light, and the second electric screwdriver 10B is not powered on and the second indicator light 323B does not emit light. When the opening 30B only exposes the second tray 20B, the first electric screwdriver 10A is powered on and the first indicator light 323A emits light, and the second electric screwdriver 10B is not powered on and the second indicator light 323B does not emit light. When the opening 30B only exposes the third tray 20C, the first electric screwdriver 10A is not powered on and the first indicator light 323A does not emit light, and the second electric screwdriver 10B is powered on and the second indicator light 323B emits light.
[0094] In summary, in the above-mentioned screw locking fool-proof device 100, N-1 baffles 40 are arranged between the cover 32 and the trays 20, each baffle 40 is slidably connected to the housing 30 in the second direction X and is configured to cover one of the trays 20, and the N-1 baffles 40 are configured to cover N-1 trays 20 and expose the remaining one tray 20 from the opening 30B. The opening 30B only exposes one tray 20 at a time under the shielding action of the N-1 baffles 40, i.e. the opening 30B only exposes one model of screws at a time under the shielding action of the N-1 baffles 40, and by sliding the baffles 40 in the second direction X, the N trays 20 can be exposed from the opening 30B in a set order, and the electric screwdriver 10 takes out the screws from the tray 20 exposed from the opening 30B, thereby reducing the risk of screw mixing.
[0095] In addition, those skilled in the art can make other changes within the spirit of the present application, of course, these changes made according to the spirit of the present application should be included in the scope disclosed in the present application.
Claims
1. A fool-proof screw locking device, the fool-proof screw locking device comprising N magazines, N > 2, the N magazines being configured to respectively accommodate different models of screws, characterized in that, The screw locking fool-proof device further comprises: a housing comprising a base and a cover connected along a first direction, a first accommodating cavity being provided between the base and the cover, N material trays being arranged in the first accommodating cavity along a second direction, the cover being provided with an opening communicating with the first accommodating cavity, the first direction being perpendicular to the second direction; N-1 baffles, each of the N-1 baffles being slidably connected to the housing along the second direction and configured to cover one of the material trays, the N-1 baffles being configured to cover N-1 of the material trays and expose the remaining one of the material trays from the opening.
2. The anti-screw fool device according to claim 1, wherein Along the second direction, projections of the N-1 baffles are arranged in sequence along the first direction.
3. The anti-stupid device for locking screws as claimed in claim 1, wherein, The screw locking fool-proof device comprises a driving mechanism, the driving mechanism comprising a controller and at least one driving member, the driving member being provided in the first accommodating cavity, each of the driving members being drivingly connected to one of the baffles, the controller being located outside the housing, the cover being provided with a first connector, the controller being electrically connected to the driving member through the first connector.
4. The anti-stupid device for locking screws as claimed in claim 3, wherein, The housing comprises a support connected to the base and provided in the first accommodating cavity, the support comprising a first surface facing the cover, the first surface being provided with a plurality of accommodating grooves spaced along the second direction, each of the accommodating grooves clamping one of the material trays.
5. The anti-stupid device for locking screws as claimed in claim 4, wherein, The support comprises two second surfaces oppositely arranged along a third direction, the first direction, the second direction and the third direction being perpendicular to each other; The screw locking fool-proof device further comprises a guiding mechanism, the guiding mechanism comprising a slide rail and a plurality of guiding members, the slide rail being connected to the second surface and extending along the second direction, each of the guiding members being slidably connected to the slide rail, each of the guiding members protruding out of the first surface along the first direction and being connected to one of the baffles.
6. The anti-tightening device according to claim 5, wherein The driving member is connected to the second surface, the driving member being a pneumatic cylinder, the driving member having a cylinder rod movable along the second direction, the cylinder rod being connected to the guiding member.
7. The anti-stupid device for locking screws as claimed in claim 6, wherein, The driving mechanism comprises a solenoid valve, a pressure gauge and a PLC control member provided in the first accommodating cavity, an air inlet end of the pressure gauge being connected to an external air source, an air outlet end of the pressure gauge being connected to an air inlet end of the solenoid valve, an air outlet end of the solenoid valve being connected to the driving member, the PLC control member being electrically connected between the driving member and the controller.
8. The anti-tightening device according to claim 3, wherein The screw locking fool-proof device further comprises a plurality of electric screwdrivers, the cover being provided with a plurality of second connectors, each of the electric screwdrivers being electrically connected to the controller through one of the second connectors, the controller being configured to energize one of the electric screwdrivers, the energized electric screwdriver being adapted to the screw in the material tray exposed from the opening.
9. The anti-tightening device according to claim 8, wherein The cover is provided with a plurality of indicator lights, each of which is close to one of the second joints and electrically connected with the corresponding second joint, and the indicator light is configured to emit light when the corresponding second joint controls the electric screwdriver to be powered on.
10. The anti-stupid device for locking screws as claimed in claim 6, wherein, N=3, the number of baffles is two, the number of slide rails is four, the number of guides is two, the number of driving members is two, each second surface is provided with two slide rails, one guide and one driving member, and the two slide rails are arranged in parallel and connected with one guide.