Screw locking mechanism for locking multiple screws simultaneously
By designing a screw-locking mechanism that includes a feeding component, a motion component, and an anti-screw-carrying component, the problem of existing screw-locking robots being unable to lock multiple screws simultaneously has been solved, achieving efficient production and stable product positioning.
Patent Information
- Application Number
- CN202423192364.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing screw-fastening robots cannot fasten multiple screws simultaneously, resulting in low production efficiency. Furthermore, when fastening multiple screws, the product may easily detach from its working position, affecting subsequent production processes.
A screw fastening mechanism including a feeding component, a motion component, a locking component, and an anti-slip component is designed. Multiple screws are simultaneously fastened using multiple torque electric screwdrivers and offset tightening shafts, and the anti-slip component prevents the product from leaving the working position.
This technology enables the simultaneous fastening of multiple screws, improving production efficiency and ensuring that the product remains in its working position after fastening, thus guaranteeing the smooth progress of subsequent production processes.
Smart Images
Figure CN223643184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic assembly technical field, especially relate to a screw locking mechanism for locking multiple screws simultaneously. BACKGROUND
[0002] With the acceleration of modernization construction pace, the demand of electric appliance product, household electrical appliances is rising, mechanization and automation production, assembly line increase a lot, in this case, the way of using hand to grab screw or rivet and using electric screwdriver to lock is far from meeting the needs of mechanization and automation mass production, assembly. Therefore, how to solve the problem of high speed screw locking and improve the locking quality and consistency has become the subject of attention of the technical personnel in the field.
[0003] To solve this problem, many manufacturers have developed various screw locking robots, the main feature is that a screw feeding device blows the screw into a left and right openable elastic clamp mouth under the screwdriver bit head, a set of pneumatic or electric mechanism first moves the clamp mouth and the screw to the position close to the screw hole, and then another set of pneumatic or electric mechanism drives the screwdriver and the bit head to move downward to push the screw out of the clamp, and locks the screw or rivet into the screw hole. However, this screw locking robot also has various problems, such as it can only lock one screw at a time when working, and when multiple screws need to be locked on the same mounting surface of a product, the time spent on locking one by one is long, and the production efficiency is low.
[0004] Therefore, it is necessary to develop a mechanism that can lock multiple screws simultaneously to improve production efficiency, but in the actual research and development process, the applicant also found that when locking multiple screws simultaneously, there are problems that do not exist when locking a single screw, such as when the locking mechanism is separated from the product, the product may be lifted due to the resistance between the locking heads, causing the product to be lifted out of the working position, which brings inconvenience to the subsequent production of the product in the automated production, and the volume occupied by the screw locking head is relatively large, which cannot be simply assembled and used together, and cannot be applied to the simultaneous locking of multiple screws in a small space.
[0005] Therefore, how to develop a screw locking mechanism that can lock multiple screws simultaneously to improve production efficiency and avoid the product from being lifted out of the working position due to the simultaneous locking of multiple screws has become the subject of the present utility model to be studied and solved. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a screw locking mechanism for locking multiple screws simultaneously.
[0007] In order to achieve the above object, the utility model provides a screw locking mechanism for locking multiple screws simultaneously, which is used for locking multiple screws on a product simultaneously.
[0008] The screw locking mechanism comprises a machine table, a feeding assembly, a moving assembly, a locking assembly and a material preventing assembly.
[0009] The feeding assembly is a device for providing multiple screws for the locking assembly.
[0010] The moving assembly is arranged on one side of the feeding assembly, and the locking assembly is connected to the execution end of the moving assembly.
[0011] The locking assembly comprises a connecting plate, a torque electric driver, a biasing tightening shaft, a locking head and a suction nozzle.
[0012] The material preventing assembly comprises a connecting rod, a fixing plate, a guide sleeve, a guide shaft and an elastic member.
[0013] The relevant contents of the utility model are explained as follows:
[0014] 1. The utility model discloses a technical scheme above-mentioned, innovative research and development can promote production efficiency and avoid the product from the working position because of the screw lock of multiple screws simultaneously, the screw lock mechanism of multiple screws can be locked simultaneously, the screw lock mechanism includes the machine table and installs the feeding assembly, movement subassembly, lock component, prevent the material subassembly on the machine table, in the screw lock mechanism, in order to be able to realize the lock of multiple screws simultaneously, install multiple torsion electric screwdrivers on the connecting plate, the lower end of each torsion electric screwdriver is respectively connected with the transmission of the biasing tightening shaft after passing through the connecting plate, the biasing tightening shaft is respectively connected with the transmission of the lock head below, the lock head is provided with a suction nozzle at the end, can be driven by movement subassembly and move to the feeding assembly above lock component, multiple screws are simultaneously sucked by the suction nozzle of multiple lock heads, then move to the working position of the product by movement subassembly and drive lock component, after multiple lock heads are aligned on the screw hole position on the product, the torque of each torsion electric screwdriver is output, power is transmitted to the lock head through the biasing tightening shaft to lock simultaneously, the biasing tightening shaft is used to realize the simultaneous locking of multiple screws in the small space, the occupied space of torsion electric screwdriver is big, but the lock head below can be very close after the transmission connection of the biasing tightening shaft, so it can be inserted into the smaller operation space to lock operation, for the problem that multiple screw lock heads will separate the product from the working position during the upward process after completing locking, prevent the material subassembly is set, the bottom of the guide shaft in prevent the material subassembly is pressed on the product upper surface during locking operation, and the elastic element is compressed, after completing locking operation, the lock component and prevent the material subassembly on the lock component are driven by the movement subassembly and move integrally, when multiple lock heads separate the screw, the guide shaft is still pressed on the product surface under the condition that the elastic element releases the compression elastic force, until the lock head separates the screw a distance and ensures that the product does not separate the working position, then the guide shaft is separated from the product surface, so as to avoid separating the product from the working position, and avoid the adverse effect on the subsequent production process.
[0015] 2. In the above technical scheme, the feeding assembly includes a vibrating disc, a feeding motor and a rotating disc, the vibrating disc and the feeding motor are installed on the machine table, the feeding end of the vibrating disc is provided with the rotating disc, the rotating disc is connected with the transmission of the feeding motor, and the rotating disc is provided with feeding positions corresponding to the positions of the multiple lock heads. The design of the feeding assembly enables multiple screws to be orderly and rapidly supplied to the lock component by the feeding mechanism, so that the multiple lock heads can simultaneously suck multiple corresponding screws. After a screw is sent to the feeding position by the vibrating disc, the feeding motor drives the rotating disc to rotate, and the empty feeding position is rotated to the feeding end of the vibrating disc, so that the multiple feeding positions on the rotating disc are filled with screws.
[0016] 3. In the above technical solution, the rotating disc is a disc, and a feeding position is arranged at the circular quarter of the rotating disc; and a sensor is arranged at the feeding end of the vibrating disc. In this way, the screw supply for four locking heads is met, and the sensor ensures that no missing feeding occurs at the feeding position of each disc.
[0017] 4. In the above technical solution, the movement assembly comprises a first movement module moving in the X or Y direction and a second movement module moving in the Z direction; the first movement module is installed on the machine table; the second movement module is installed at the movement end of the first movement module; and the execution end of the second movement module is connected to the connecting plate. In this way, the movement displacement of the locking assembly is more accurate, fast, and clear in path, and the movement time is reduced, thereby improving the production efficiency. The first movement module can adopt a transplanting electric cylinder.
[0018] 5. In the above technical solution, the second movement module comprises a mounting plate, a track, and a lifting cylinder; the mounting plate is installed at the movement end of the first movement module; the track and the lifting cylinder are installed on the mounting plate; the telescopic rod of the cylinder is connected to the connecting plate; and one side of the connecting plate is connected to the track in a sliding manner. The design structure of the second movement module is reliable and stable, and can provide sufficient support and pressing force for the locking assembly when the locking assembly sucks multiple screws from the feeding assembly and locks the product.
[0019] 6. In the above technical solution, four torque electric wrenches are fixedly installed on the upper surface of the connecting plate, and four biasing tightening shafts are fixedly installed on the lower surface of the connecting plate. The biasing tightening shafts transmit power to the locking head through gear transmission. In this way, the layout of the torque electric wrenches and the biasing tightening shafts is reasonable, and the screw locking operation can be adjusted according to different numbers, different positions, and different operation spaces. The transmission mode of the biasing tightening shafts can more accurately and stably transmit power, and ensures the smooth progress of the screw locking process.
[0020] 7. In the above technical solution, the guide sleeve has a downwardly open cavity, the elastic member is first installed in the cavity, and then the guide shaft is inserted into the cavity from the bottom and abuts against the elastic member. In this way, the floating action of the guide shaft is realized, and the structure is reliable and stable.
[0021] 8. In the above technical solution, the anti-material-removal assembly further comprises a limiting structure for limiting the floating stroke of the guide shaft. The limiting structure is used to set the floating stroke of the guide shaft more reasonably. When the multiple locking heads are separated from the screws, the guide shaft always abuts against the product surface under the condition that the elastic member releases the compression elastic force, until the locking head is separated from the screw by a distance and the product is ensured not to be separated from the working position, and then the guide shaft is separated from the product surface. This process is rapid and effective.
[0022] 9. In the above technical solution, the limiting structure comprises a latch and a limiting slot, the latch is installed on the upper end of the guide shaft, the limiting slot is opened on the two side walls of the cavity in the guide sleeve, and the two ends of the latch are slidingly installed in the limiting slot, which is reliable, simple and stable. In the non-working state, the position of the guide shaft extending downward is lower than the bottom of the locking head.
[0023] 10. In the above technical solution, the elastic member is a spring, and the two sides of the guide sleeve are provided with pressing blocks, and the spring provides reliable and stable elastic force, which can easily cover the inside of the guide sleeve, and the pressing blocks are arranged to ensure the stability of the guide sleeve.
[0024] 11. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0025] 12. In the present application, the terms "center", "upper", "lower", "axial", "bottom", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position assembly relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0026] 13. In addition, the terms "first", "second" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified.
[0027] Due to the use of the above scheme, the present application has the following advantages and effects compared with the prior art:
[0028] 1. The above-mentioned scheme of the utility model, innovative research and development can promote production efficiency and avoid the product from the working position due to the simultaneous locking of multiple screws The screw locking mechanism that can lock multiple screws at the same time, the screw locking mechanism includes the feeding assembly, the movement assembly, the locking assembly and the anti-material component installed on the machine table, in order to realize the simultaneous locking of multiple screws, multiple torque electric screwdrivers are installed on the connecting plate, the lower end of each torque electric screwdriver is in transmission connection with the bias tightening shaft after penetrating through the connecting plate, the bias tightening shaft is in transmission connection with the locking head, the end of the locking head is provided with a suction nozzle, the locking assembly can be driven by the movement assembly to move above the feeding assembly, multiple screws are sucked by the suction nozzles of multiple locking heads at the same time, then the locking assembly is moved to the working position of the product by the movement assembly, multiple locking heads are aligned with the screw hole positions on the product, then the torque of each torque electric screwdriver is output, power is transmitted to the locking head through the bias tightening shaft to realize simultaneous locking, the bias tightening shaft is used to realize the simultaneous locking of multiple screws in a small space, the torque electric screwdriver occupies a large space, but the locking head located below can be very close after transmission connection through the bias tightening shaft, so it can be inserted into a smaller working space to perform locking operation.
[0029] 2. The above-mentioned scheme of the utility model, the anti-material component is set to solve the problem that multiple screw locking heads will separate the product from the working position during the upward movement after completing the locking, the bottom of the guide shaft in the anti-material component is pressed against the upper surface of the product during the locking operation and compresses the elastic element, after completing the locking operation, the locking assembly and the anti-material component on the locking assembly are integrally moved upward under the driving of the movement assembly, the guide shaft is always pressed against the product surface under the condition that the elastic element releases the compression elastic force when multiple locking heads separate from the screws, until the locking head separates from the screws by a distance and ensures that the product will not separate from the working position, then the guide shaft is separated from the product surface, so as to avoid separating the product from the working position and avoid adversely affecting the subsequent production process.
[0030] 3. As described above, the screw locking mechanism for simultaneously locking multiple screws of the utility model can simultaneously lock multiple screws, and also allows the screw locking mechanism to simultaneously lock multiple screws in a small space, so the application scenarios are wide, the production efficiency is high, and the anti-material component on the locking assembly is designed to avoid the product from separating from the working position due to the simultaneous locking of multiple screws, so as to ensure that the screw locking mechanism for simultaneously locking multiple screws will not separate from the product after completing the locking, and the subsequent production process can be carried out in an orderly manner. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is a three-dimensional schematic view of the screw locking mechanism for simultaneously locking multiple screws of the utility model embodiment.
[0032] Figure 2 It is side view schematic diagram of screw locking mechanism for locking multiple screws simultaneously for the utility model embodiment;
[0033] Figure 3 It is top view of screw locking mechanism for locking multiple screws simultaneously for the utility model embodiment;
[0034] Figure 4 It is structure schematic diagram of feeding assembly in the utility model embodiment;
[0035] Figure 5 It is three-dimensional schematic diagram of motion assembly, locking assembly, anti-material-removing assembly assembly in the utility model embodiment;
[0036] Figure 6 It is front view of motion assembly, locking assembly, anti-material-removing assembly assembly in the utility model embodiment;
[0037] Figure 7 It is left view of motion assembly, locking assembly, anti-material-removing assembly assembly in the utility model embodiment;
[0038] Figure 8 It is three-dimensional schematic diagram of anti-material-removing assembly in the utility model embodiment;
[0039] Figure 9 It is front view of anti-material-removing assembly in the utility model embodiment.
[0040] The above drawings each part indicates as follows:
[0041] 1, machine table;
[0042] 2, feeding assembly;
[0043] 21, vibration disc; 22, feeding motor; 23, turntable; 231, feeding position; 24, sensor;
[0044] 3, motion assembly;
[0045] 31, first motion module; 32, second motion module; 321, mounting plate; 322, track; 323, lifting cylinder;
[0046] 4, locking assembly;
[0047] 41, connecting plate; 42, torque electric screwdriver; 43, biasing tightening shaft; 44, locking head; 45, suction nozzle;
[0048] 5, anti-material-removing assembly;
[0049] 51, connecting rod; 52, fixed plate; 53, guide sleeve; 531, limiting groove; 54, guide shaft; 541, bolt; 55, elastic member; 56, pressing block. DETAILED DESCRIPTION
[0050] To make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.
[0051] The utility model aims at innovating and developing the screw locking mechanism which can lock multiple screws at the same time, improve production efficiency and avoid product from separating from working position due to multiple screws being locked at the same time
[0052] As shown in the accompanying Figures 1 to 9 The utility model discloses a screw locking mechanism for locking multiple screws at the same time, which is used for locking multiple screws on a product at the same time. The screw locking mechanism comprises a machine table 1, a feeding assembly 2, a moving assembly 3, a locking assembly 4 and a material preventing assembly 5 installed on the machine table 1.
[0053] The feeding assembly 2 is a device for providing multiple screws for the locking assembly 4.
[0054] The moving assembly 3 is arranged on one side of the feeding assembly 2, and the locking assembly 4 is connected to the execution end of the moving assembly 3. The path of the locking assembly 4 driven by the moving assembly 3 to displace is between the feeding assembly 2 and the locking position of the product.
[0055] The locking assembly 4 comprises a connecting plate 41, a torque electric screwdriver 42, a biasing tightening shaft 43, a locking bit 44 and a suction nozzle 45. The connecting plate 41 is connected to the execution end of the moving assembly 3, multiple torque electric screwdrivers 42 are installed on the connecting plate 41, the lower end of each torque electric screwdriver 42 is in driving connection with the biasing tightening shaft 43 after penetrating through the connecting plate 41, the biasing tightening shaft 43 is in driving connection with the locking bit 44 below, and the end of the locking bit 44 is provided with the suction nozzle 45.
[0056] The anti-material carrying assembly 5 comprises a connecting rod 51, a fixed plate 52, a guide sleeve 53, a guide shaft 54 and an elastic member 55, the connecting rod 51 is installed below the connecting plate 41, the fixed plate 52 is arranged on the connecting rod 51, a plurality of through holes are formed in the fixed plate 52 and are used for allowing the plurality of locking heads 44 to pass through, the guide sleeve 53 is installed on the fixed plate 52, the guide shaft 54 penetrates into the guide sleeve 53 from the bottom, one end of the elastic member 55 abuts against the downward surface of the guide sleeve 53 and the other end abuts against the upward surface of the guide shaft 54, and the elastic member 55 provides the guide shaft 54 with an elastic force always tending to move downward.
[0057] The improvements of the utility model are as follows:
[0058] 1. In order to realize locking of multiple screws at the same time, multiple torque electric drivers 42 are installed on the connecting plate 41, the lower ends of the torque electric drivers 42 are respectively connected with the biasing tightening shafts 43 in a transmission mode after penetrating through the connecting plate 41, the biasing tightening shafts 43 are respectively connected with the locking heads 44 in a transmission mode, the distal ends of the locking heads 44 are provided with suction nozzles 45, the locking assembly 4 can be driven by the movement assembly 3 to move above the feeding assembly 2, multiple screws are simultaneously sucked by the suction nozzles 45 of the multiple locking heads 44, then the locking assembly 4 is driven by the movement assembly 3 to move to the working position of the product, the multiple locking heads 44 are aligned with the screw hole positions on the product, then the torque electric drivers 42 output torque, the power is transmitted to the locking heads 44 through the biasing tightening shafts 43, so that the multiple screws are locked at the same time, the biasing tightening shafts 43 are used to realize locking of multiple screws in a small space at the same time, the torque electric drivers 42 occupy a large space, but the locking heads 44 located below can be close to each other after being connected in a transmission mode through the biasing tightening shafts 43, so that the locking heads 44 can be inserted into a relatively small working space to perform locking work.
[0059] 2. In order to solve the problem that the product is separated from the working position during the upward movement of the multiple screw locking heads 44 after completing locking, the anti-material carrying assembly 5 is arranged, the bottom of the guide shaft 54 of the anti-material carrying assembly 5 abuts against the upper surface of the product during locking work and compresses the elastic member 55, after completing the locking work, the locking assembly 4 and the anti-material carrying assembly 5 on the locking assembly 4 are driven by the movement assembly 3 to move upward as a whole, during the separation of the multiple locking heads 44 from the screws, the guide shaft 54 always abuts against the product surface under the condition that the elastic member 55 releases the compression elastic force, until the locking heads 44 are separated from the screws by a distance and it is ensured that the product will not be separated from the working position, then the guide shaft 54 is separated from the product surface, so that the product is prevented from being separated from the working position and the subsequent production process is prevented from being adversely affected.
[0060] Through the implementation of the above examples, while achieving the simultaneous locking of multiple screws, the screw locking mechanism can also simultaneously lock multiple screws in a small space, has wide application scenarios, high generation efficiency, and is provided with the anti-material carrying assembly 5 on the locking assembly 4 to prevent the product from being separated from the working position due to the simultaneous locking of multiple screws, thereby ensuring that the screw locking mechanism for simultaneously locking multiple screws does not carry the product away after locking is completed, and enabling subsequent production processes to be orderly performed.
[0061] In the embodiment of the utility model, the motion assembly 3 includes a first motion module 31 moving along the X or Y direction, and a second motion module 32 moving along the Z direction, the first motion module 31 is installed on the machine table 1, the second motion module 32 is installed on the motion end of the first motion module 31, and the execution end of the second motion module 32 is connected to the connecting plate 41. With the design of the motion assembly 3, the movement displacement of the locking assembly 4 is more accurate and fast, the path is clear, and the movement time is reduced, thereby improving the production efficiency. The first motion module 31 can adopt a transplanting electric cylinder.
[0062] In the embodiment of the utility model, the second motion module 32 includes a mounting plate 321, a track 322 and a lifting cylinder 323, the mounting plate 321 is installed on the motion end of the first motion module 31, the track 322 and the lifting cylinder 323 are installed on the mounting plate 321, the telescopic rod of the cylinder is connected to the connecting plate 41, and one side of the connecting plate 41 is connected to the track 322 in a sliding manner. The design structure of the second motion module 32 is reliable and stable, and can provide sufficient support and pressing force for the locking assembly 4 when the locking assembly 4 sucks multiple screws from the feeding assembly 2 and locks the screws to the product.
[0063] In the embodiment of the utility model, four torsion electric wrenches 42 are fixedly installed on the upper surface of the connecting plate 41, four biasing tightening shafts 43 are fixedly installed on the lower surface of the connecting plate 41, and the biasing tightening shaft 43 drives power to the locking head 44 through gear transmission. With the design, the layout of the torsion electric wrench 42 and the biasing tightening shaft 43 is reasonable, can be adjusted according to the screw locking operation of different numbers, different positions and different operation spaces, is more convenient, the transmission mode of the biasing tightening shaft 43 can more accurately and stably transmit power, and ensures the smooth progress of the screw locking process.
[0064] In the embodiment of the utility model, the guide sleeve 53 has a cavity opening downward, the elastic member 55 is first installed in the cavity, and then the guide shaft 54 is inserted into the cavity from the bottom and abuts against the elastic member 55. With the structure, the floating action of the guide shaft 54 is realized, and the structure is reliable and stable.
[0065] In the embodiment of the utility model, the anti-material-removing assembly 5 further comprises a limiting structure for limiting the floating stroke of the guide shaft 54. The floating stroke of the guide shaft 54 is set more reasonably by the limiting structure, so that the guide shaft 54 always abuts against the product surface under the condition that the elastic member 55 releases the compression elastic force when the plurality of locking heads 44 are separated from the screw, and the guide shaft 54 is separated from the product surface rapidly and effectively after the locking heads 44 are separated from the screw by a distance and it is ensured that the product does not deviate from the working position.
[0066] In the embodiment of the utility model, the limiting structure comprises a bolt 541 and a limiting groove 531, the bolt 541 is installed at the upper end of the guide shaft 54, the limiting groove 531 is formed in the two side walls of the cavity of the guide sleeve 53, and the two ends of the bolt 541 are slidably installed in the limiting groove 531. The structure is reliable, simple and stable. In the non-working state, the position of the guide shaft 54 extending downward is lower than the bottom of the locking head 44.
[0067] In the embodiment of the utility model, the elastic member 55 is a spring, and the two sides of the guide sleeve 53 are provided with a pressing block 56. The spring provides reliable and stable elastic force, and the guide sleeve 53 can be easily sleeved. The pressing block 56 is arranged to ensure the stability of the guide sleeve 53.
[0068] Next, the scheme of the utility model will be further described in a more specific detailed embodiment.
[0069] In the detailed embodiment, the screw locking mechanism for locking a plurality of screws simultaneously comprises a machine table 1, a feeding assembly 2, a moving assembly 3, a locking assembly 4 and an anti-material-removing assembly 5 installed on the machine table 1.
[0070] In the detailed embodiment, as shown in Figure 4 The feeding assembly 2 is a device for providing a plurality of screws for the locking assembly 4, the feeding assembly 2 comprises a vibrating disc 21, a feeding motor 22 and a rotating disc 23, the vibrating disc 21 and the feeding motor 22 are installed on the machine table 1, the feeding end of the vibrating disc 21 is provided with the rotating disc 23, the rotating disc 23 is in transmission connection with the feeding motor 22, and the rotating disc 23 is provided with a plurality of feeding positions 231 corresponding to the positions of the locking heads 44. The rotating disc 23 is a disc, the feeding positions 231 are arranged at the four equal parts of the rotating disc 23, and the feeding end of the vibrating disc 21 is provided with a sensor 24.
[0071] In the detailed embodiment, as shown in Figure 1 , Figure 5As shown, the motion assembly 3 is arranged on one side of the feeding assembly 2, and a locking assembly 4 is connected to the execution end of the motion assembly 3. The path of the locking assembly 4 driven by the motion assembly 3 is between the feeding assembly 2 and the locking position of the product. The motion assembly 3 comprises a first motion module 31 moving in the X or Y direction, and a second motion module 32 moving in the Z direction. The first motion module 31 is installed on the machine table 1, and the second motion module 32 is installed on the motion end of the first motion module 31. The execution end of the second motion module 32 is connected to the connecting plate 41. The second motion module 32 comprises a mounting plate 321, a track 322, and a lifting cylinder 323. The mounting plate 321 is installed on the motion end of the first motion module 31. The track 322 and the lifting cylinder 323 are installed on the mounting plate 321. The telescopic rod of the lifting cylinder is connected to the connecting plate 41. One side of the connecting plate 41 is slidingly connected to the track 322.
[0072] In this detailed embodiment, as shown in Figure 5 、 Figure 6 、 Figure 7 The locking assembly 4 comprises a connecting plate 41, a torque electric wrench 42, a biasing tightening shaft 43, a locking head 44, and a suction nozzle 45. The connecting plate 41 is connected to the execution end of the motion assembly 3. A plurality of torque electric wrenches 42 are installed on the connecting plate 41. The lower end of each torque electric wrench 42 is in driving connection with the biasing tightening shaft 43 through the connecting plate 41. The biasing tightening shaft 43 is in driving connection with the locking head 44. The end of the locking head 44 is provided with the suction nozzle 45. Four torque electric wrenches 42 are fixedly installed on the upper surface of the connecting plate 41. Four biasing tightening shafts 43 are fixedly arranged on the lower surface of the connecting plate 41. The biasing tightening shaft 43 drives the locking head 44 through gear transmission.
[0073] In this detailed embodiment, as shown in Figure 8 、 Figure 9As shown, the anti-material-belt assembly 5 comprises a connecting rod 51, a fixed plate 52, a guide sleeve 53, a guide shaft 54, and an elastic member 55. The connecting rod 51 is installed below the connecting plate 41. The fixed plate 52 is arranged on the connecting rod 51. The fixed plate 52 is provided with through holes through which the plurality of locking heads 44 pass. The guide sleeve 53 is installed on the fixed plate 52. The guide shaft 54 penetrates into the guide sleeve 53 from the bottom. One end of the elastic member 55 abuts against the downward surface of the guide sleeve 53, and the other end of the elastic member 55 abuts against the upward surface of the guide shaft 54, so as to provide the guide shaft 54 with an elastic force always tending to move downward. The guide sleeve 53 has a downwardly-opened cavity. The elastic member 55 is first installed in the cavity, and then the guide shaft 54 penetrates into the cavity from the bottom and abuts against the elastic member 55. The anti-material-belt assembly 5 further comprises a limiting structure for limiting the floating stroke of the guide shaft 54. The limiting structure comprises a pin 541 and a limiting groove 531. The pin 541 is installed on the upper end of the guide shaft 54. The limiting groove 531 is formed in the two side walls of the cavity of the guide sleeve 53. The two ends of the pin 541 are slidingly installed in the limiting groove 531. The elastic member 55 is a spring. The two sides of the guide sleeve 53 are provided with pressing blocks 56.
[0074] In addition, it should be noted that the linear driving mechanism can adopt one of the following mechanisms:
[0075] (a) a cylinder, the piston rod of the cylinder serving as the acting end of the linear driving mechanism;
[0076] (b) a linear motor, the rotor of the linear motor serving as the acting end of the linear driving mechanism;
[0077] (c) a combination of a control motor and a screw-nut mechanism, wherein the control motor is a stepper motor or a servo motor, the screw-nut mechanism comprises a screw and a nut matched to form a screw pair, the control motor is in transmission connection with the screw, and the nut serves as the acting end of the linear driving mechanism;
[0078] (d) a combination of a control motor and a pulley mechanism, wherein the control motor is a stepper motor or a servo motor, the pulley mechanism comprises a pulley and a belt matched to form a linear motion pair, the control motor is connected with the belt through a wheel set, and the belt serves as the acting end of the linear driving mechanism.
[0079] The rotary driving mechanism (torque screwdriver 42) can also adopt one of the following mechanisms:
[0080] (a) a rotary cylinder, the piston rod of the rotary cylinder serving as the acting end of the rotary driving mechanism;
[0081] (b) a control motor, the rotor of the control motor serving as the acting end of the rotary driving mechanism.
[0082] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.
Claims
1. A screw locking mechanism for locking multiple screws simultaneously, for simultaneous locking of multiple screws on a product, characterized in that: the screw locking mechanism comprises a machine table (1) and a feeding assembly (2), a moving assembly (3), a locking assembly (4), and a material preventing assembly (5) installed on the machine table (1); the feeding assembly (2) is a device for providing multiple screws for the locking assembly (4); the moving assembly (3) is arranged on one side of the feeding assembly (2), and the execution end of the moving assembly (3) is connected with the locking assembly (4), and the path of the locking assembly (4) driven by the moving assembly (3) is between the feeding assembly (2) and the locking position of the product; the locking assembly (4) comprises a connecting plate (41), a torque electric screwdriver (42), a biasing tightening shaft (43), a locking bit (44), and a suction nozzle (45), the connecting plate (41) is connected with the execution end of the moving assembly (3), multiple torque electric screwdrivers (42) are installed on the connecting plate (41), the lower end of each torque electric screwdriver (42) is in driving connection with the biasing tightening shaft (43) after penetrating through the connecting plate (41), the biasing tightening shaft (43) is in driving connection with the locking bit (44) below, and the end of the locking bit (44) is provided with the suction nozzle (45); the material preventing assembly (5) comprises a connecting rod (51), a fixed plate (52), a guide sleeve (53), a guide shaft (54), and an elastic member (55), the connecting rod (51) is installed below the connecting plate (41), the fixed plate (52) is arranged on the connecting rod (51), the fixed plate (52) is provided with through holes for the multiple locking bits (44) to penetrate through, the guide sleeve (53) is installed on the fixed plate (52), the guide shaft (54) penetrates into the guide sleeve (53) from the bottom, one end of the elastic member (55) is in abutment with the downward surface of the guide sleeve (53), the other end of the elastic member (55) is in abutment with the upward surface of the guide shaft (54), and the elastic member (55) provides the guide shaft (54) with an elastic force always tending to move downward. The feeding assembly (2) comprises a vibrating disc (21), a feeding motor (22), and a rotating disc (23), the vibrating disc (21) and the feeding motor (22) are installed on the machine table (1), the feeding end of the vibrating disc (21) is correspondingly provided with the rotating disc (23), the rotating disc (23) is in driving connection with the feeding motor (22), and the rotating disc (23) is provided with feeding positions (231) corresponding to the positions of the multiple locking bits (44). The rotating disc (23) is a disc, the feeding positions (231) are arranged at the four equal parts of the circle of the rotating disc (23), and the feeding end of the vibrating disc (21) is provided with a sensor (24). 2. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 1, characterized by: 3. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 2, characterized by: 4. The screw fastening mechanism for simultaneously locking a plurality of screws according to claim 1, characterized by: The motion assembly (3) comprises a first motion module (31) moving in X or Y direction, and a second motion module (32) moving in Z direction, the first motion module (31) is installed on the machine table (1), the second motion module (32) is installed on the motion end of the first motion module (31), and the execution end of the second motion module (32) is connected with the connecting plate (41).
5. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 4, characterized by: The second motion module (32) comprises a mounting plate (321), a track (322) and a lifting cylinder (323), the mounting plate (321) is installed on the motion end of the first motion module (31), the track (322) and the lifting cylinder (323) are installed on the mounting plate (321), the telescopic rod of the cylinder is connected with the connecting plate (41), and one side of the connecting plate (41) is connected with the track (322) in sliding mode.
6. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 1, characterized by: Four torque electric wrenches (42) are fixedly installed on the upper surface of the connecting plate (41), four biasing tightening shafts (43) are correspondingly fixed on the lower surface of the connecting plate (41), and the biasing tightening shaft (43) drives power to the locking wrench head (44) through gear transmission.
7. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 1, characterized by: The guide sleeve (53) has a downwardly opening cavity, the elastic member (55) is first installed in the cavity, and then the guide shaft (54) is inserted into the cavity from the bottom and abuts against the elastic member (55).
8. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 7, characterized by: The anti-material belt assembly (5) further comprises a limiting structure for limiting the floating stroke of the guide shaft (54).
9. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 8, characterized by: The limiting structure comprises a latch (541) and a limiting groove (531), the latch (541) is installed on the upper end of the guide shaft (54), the limiting groove (531) is formed in the two side walls of the cavity in the guide sleeve (53), and the two ends of the latch (541) are installed in the limiting groove (531) in sliding mode.
10. The screw attachment mechanism for simultaneously locking a plurality of screws according to claim 1, characterized by: The elastic member (55) is a spring, and the two sides of the guide sleeve (53) are provided with pressing blocks (56).