Three-axis automatic screw locking equipment

Abstract

The utility model belongs to the technical field of screw locking, and relates to a three-axis automatic screw locking device which comprises a rack. The X-axis moving unit is connected to the rack; the X-axis moving unit moves in the X direction of the rack; the Z-axis moving unit is connected to the X-axis moving unit; the Z-axis moving unit moves in the Y direction of the rack; the Y-axis moving unit is connected to the rack; the Y-axis moving unit moves in the Y direction of the rack; the jig is connected to the Y-axis moving unit; and the locking unit is connected to the Z-axis moving unit. After the structure is adopted, the beneficial effects are that the production efficiency can be obviously improved, the labor cost can be reduced, and the assembly precision and reliability of products can be improved, so that the expectation of the market on high-quality electronic products can be better met.

Description

Technical Field

[0001] The utility model belongs to the technical field of screw locking, in particular to a three-axis automatic screw locking device. Background Art

[0002] With the rapid advancement of technology, electronic products have become deeply integrated into people's daily lives. From mobile phone casings and power adapters to PCB circuit boards, various small electronic devices and household appliances, and even automotive parts assembly, the tiny components within these products require precise locking mechanisms to ensure stability and security. Against this backdrop, standard screws, as key connectors, are widely used in the assembly of these various electronic and electrical appliances.

[0003] However, the current manufacturing process requires tightening each component individually with multiple screws. Traditionally, this process relies heavily on manual labor, which is inefficient and difficult to adapt to the urgent demands of modern production lines for efficient, mass production. Manual tightening is not only time-consuming and labor-intensive, but can also lead to inconsistent tightening force due to human error, affecting the overall quality and stability of the product. Therefore, improvements are necessary. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a three-axis automatic screw fastening device to improve the screw fastening efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] As one aspect of the present invention, a three-axis automatic screw fastening device is provided, which includes:

[0007] frame;

[0008] The X-axis moving unit is connected to the frame; the X-axis moving unit moves in the X direction of the frame;

[0009] The Z-axis moving unit is connected to the X-axis moving unit; the Z-axis moving unit moves in the Y direction of the frame;

[0010] The Y-axis moving unit is connected to the frame; the Y-axis moving unit moves in the Y direction of the frame;

[0011] The fixture is connected to the Y-axis moving unit;

[0012] The locking unit is connected to the Z-axis moving unit.

[0013] Optionally, the X-axis moving unit includes two first synchronous belt pulleys connected to the frame in the X direction at intervals, the two first synchronous belt pulleys are connected by a first synchronous belt, and one of the first synchronous belt pulleys is connected to the output end of the first driving unit provided on the frame; a first guide rail is provided in the X direction of the frame, a first slider is slidably connected to the first guide rail, and the first slider is connected to the first synchronous belt.

[0014] Optionally, the Z-axis moving unit includes a Z-axis connecting seat connected to the first slider of the X-axis moving unit, and two second synchronous belt pulleys are connected to the Z-axis connecting seat at intervals in the Z direction, and the two second synchronous belt pulleys are connected by a second synchronous belt; one of the second synchronous belt pulleys is connected to the output end of the second driving part provided on the Z-axis connecting seat; a second guide rail is provided in the Z direction of the Z-axis connecting seat, and a second slider is slidably connected to the second guide rail, and the second slider is connected to the second synchronous belt.

[0015] Optionally, the Y-axis moving unit includes two third synchronous belt pulleys connected to the Y direction of the frame at intervals, the two third synchronous belt pulleys are connected by a third synchronous belt, and one of the third synchronous belt pulleys is connected to the output end of the third driving unit provided on the frame; a fourth guide rail is provided in the Y direction of the frame, and a fifth slider is slidably connected to the fourth guide rail, and the fifth slider is connected to the third synchronous belt.

[0016] Optionally, the fixture includes a base plate connected to the fifth slider of the Y-axis moving unit, the left and right sides of the base plate are respectively connected to a side plate, the rear side of the base plate is connected to a rear plate; the front side of the base plate is connected to a front plate.

[0017] Optionally, the height of the front plate is lower than that of the side plates, the height of the rear plate is higher than that of the side plates, and a limiting groove is provided on the rear plate.

[0018] Optionally, the locking unit includes a screw feeder arranged on the frame, a suction nozzle and a brushless electric screwdriver connected to the second slider of the Z-axis moving unit, the suction nozzle sucks the screws on the screw feeder; the blade of the brushless electric screwdriver is movably inserted into the suction nozzle; when the suction nozzle sucks the screw, the blade of the brushless electric screwdriver is adapted to the cap of the screw.

[0019] Optionally, a connecting unit is further included, and the suction nozzle and the brushless electric screwdriver are both connected to the connecting unit, and the connecting unit is connected to the second slider of the Z-axis moving unit.

[0020] Optionally, the connecting unit includes a third slider slidably connected to the second guide rail, the third slider is located below the second slider, the third slider is connected to the first mounting member, and the first mounting member and the third slider are an integral structure or a separate structure;

[0021] The connecting unit further includes a first connecting column, the first connecting column being arranged along the Z direction of the frame, the upper end of the first connecting column being connected to the second slider; the lower end of the first connecting column being detachably connected to the first mounting member, the first connecting column being sleeved with a first elastic member; the first elastic member being located between the second slider and the first mounting member;

[0022] A third guide rail is provided in the Z direction of the first mounting member, and a fourth slider is slidably connected to the third guide rail, and the fourth slider is connected to the second mounting member, and the second mounting member can slide in the Z direction of the first mounting member; the suction nozzle is connected to the second mounting member; a mounting blind hole is provided in the Z direction of the second mounting member, and a second elastic member is provided in the mounting blind hole, the upper end of the second elastic member abuts against the first mounting member, and the lower end of the second elastic member abuts against the mounting blind hole; the brushless electric screwdriver is connected to the first mounting member through the third connecting member, so that the tool head of the brushless electric screwdriver can be movably passed through the suction nozzle; a limit block for limiting the fourth slider is provided on the first mounting member.

[0023] Optionally, a safety grating is provided on the frame.

[0024] The beneficial effects of the three-axis automatic screw locking device of the present invention are specifically embodied in that: the fixture reaches the preset position under the action of the Y-axis moving unit, the screws are supplied by the screw feeder, and the locking unit automatically takes out the screws and tightens the screws through the coordinated action of the X-axis moving unit and the Z-axis moving unit, which greatly improves the locking efficiency, reduces labor costs, and has a simple equipment structure; it can not only significantly improve production efficiency, reduce labor costs, and improve product assembly accuracy and reliability, but also better meet the market's expectations for high-quality electronic products. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0026] Figure 1 This is a schematic structural diagram of the three-axis automatic screw fastening device of the present invention;

[0027] Figure 2 This is a structural perspective diagram of the three-axis automatic screw fastening device of the present utility model;

[0028] Figure 3This is a rear view of the structure of the three-axis automatic screw fastening device of the present invention;

[0029] Figure 4 This is a side view of the structure of the three-axis automatic screw fastening device of the present invention;

[0030] Figure 5 This is a structural stereogram of the Z-axis moving unit, locking unit, and connecting unit of the present invention;

[0031] Figure 6 This is a structural side view of the Z-axis moving unit, locking unit and connecting unit of the present invention;

[0032] Figure 7 for Figure 6 Middle AA section view. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, the following will provide a clear and complete description of the technical solutions of the present invention in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0034] An embodiment of the present application is a three-axis automatic screw fastening device, such as Figure 1-Figure 4 As shown, it includes: a frame 1, which plays a supporting role; the height of the frame 1 is adjustable, and the height adjustment is achieved by a lift or an array of holes arranged at intervals. This is a prior art and will not be described in detail;

[0035] The X-axis moving unit 2 is connected to the frame 1; the X-axis moving unit 2 moves in the X direction of the frame 1;

[0036] The Z-axis moving unit 3 is connected to the X-axis moving unit 2; the Z-axis moving unit 3 moves in the Y direction of the frame 1;

[0037] The Y-axis moving unit 4 is connected to the frame 1; the Y-axis moving unit 4 moves in the Y direction of the frame 1;

[0038] The fixture 5 is connected to the Y-axis moving unit 4; the product that needs to be screwed is placed on the fixture 5;

[0039] The locking unit 6 is connected to the Z-axis moving unit 3 ; the locking unit 6 performs screw tightening on the product on the fixture 5 .

[0040] In one embodiment, if Figure 3As shown, the X-axis moving unit 2 includes two first synchronous belt pulleys 21 connected to the X direction of the frame 1 at intervals, and the two first synchronous belt pulleys 21 are connected by a first synchronous belt 22 to realize transmission between the two first synchronous belt pulleys 21, one of the first synchronous belt pulleys 21 is connected to the output end of the first driving part 23 provided on the frame 1, and the first driving part 23 is a prior art, such as a rotating motor, which is not described here; it should be noted that the first synchronous belt pulley 22 connected to the first driving part 23 can also be directly connected to the output end of the first driving part 23; a first guide rail 24 is provided in the X direction of the frame 1, and a first slider 25 is slidably connected to the first guide rail 24. The first slider 25 is connected to the first synchronous belt 22, and the first driving part 23 works to drive the first synchronous belt 22 to transmit, thereby realizing the movement of the first slider 25 on the first guide rail 24, and the first slider 25 moves in the X direction of the frame 1.

[0041] In one embodiment, if Figure 4-Figure 5 As shown, the Z-axis moving unit 3 includes a Z-axis connecting seat 31 connected to the first slider 25 of the X-axis moving unit 2, and the Z-axis connecting seat 31 is connected to two second synchronous belt pulleys 32 for rotation at intervals in the Z direction. The two second synchronous belt pulleys 32 are connected by a second synchronous belt 33 to realize transmission between the two second synchronous belt pulleys 32; one of the second synchronous belt pulleys 32 is connected to the output end of the second driving part 36 provided on the Z-axis connecting seat 31, and the second driving part 36 is a prior art, such as a rotating motor. No further details will be given; it should be noted that the second synchronous belt pulley 32 connected to the second driving part 36 can also be directly connected to the output end of the second driving part 36; a second guide rail 34 is provided in the Z direction of the Z-axis connecting seat 31, and a second slider 35 is slidably connected to the second guide rail 34, and the second slider 35 is connected to the second synchronous belt 32. The second driving part 36 works to drive the second synchronous belt 32 to transmit, thereby realizing the movement of the second slider 35 on the second guide rail 34, and the second slider 35 moves in the Z direction of the Z-axis connecting seat 31.

[0042] In one embodiment, if Figure 1 and Figure 5 As shown, the locking unit 6 includes a screw feeder 61 provided on the frame 1. It should be noted that the screw feeder 61 is used for feeding screws. Its structure is prior art and will not be described in detail here.

[0043] The locking unit 6 also includes a suction nozzle 62 and a brushless electric screwdriver 63 connected to the second slider 35. The suction nozzle 62 sucks the screws on the screw feeder 61. It should be noted that the suction nozzle 62 is connected to the vacuum generator so that the suction nozzle 62 has a preset suction force and can suck up the screws. This is the existing technology and will not be described in detail. The structure of the brushless electric screwdriver 63 is the existing technology and will not be described in detail. The blade head 631 of the brushless electric screwdriver 63 is movably inserted into the suction nozzle 62. When the suction nozzle 62 sucks the screw, the blade head 631 of the brushless electric screwdriver 63 is matched with the cap of the screw, and then the brushless electric screwdriver 63 works to tighten the screw, and then the Z-axis moving unit 3 is moved away.

[0044] In one embodiment, if Figure 4-Figure 7 As shown, it also includes a connecting unit 7, the suction nozzle 62 and the brushless electric screwdriver 63 are both connected to the connecting unit 7, and the connecting unit 7 is connected to the second slider 35;

[0045] Specifically, the connecting unit 7 includes a third slider 71 slidably connected to the second guide rail 34. The third slider 71 is located below the second slider 35. The third slider 71 is connected to a first mounting member 72. The first mounting member 72 and the third slider 71 are an integral structure or a separate structure.

[0046] The frame 1 further includes a first connecting post 73, which is arranged along the Z direction of the frame 1. The upper end of the first connecting post 73 is connected to the second slider 35; the lower end of the first connecting post 73 is detachably connected to the first mounting member 72. The first connecting post 73 is sleeved with a first elastic member 74, which is a spring; the first elastic member 74 is located between the second slider 35 and the first mounting member 72.

[0047] A third guide rail 75 is provided in the Z direction of the first mounting member 72, and a fourth slider 76 is slidably connected to the third guide rail 75, and the fourth slider 76 is connected to the second mounting member 77, and the second mounting member 77 can slide in the Z direction of the first mounting member 72; the suction nozzle 62 is connected to the second mounting member 77; a mounting blind hole is provided in the Z direction of the second mounting member 77, and a second elastic member 78 is provided in the mounting blind hole, and the second elastic member 78 is a spring, and the upper end of the second elastic member 78 abuts against the first mounting member 72, and the lower end of the second elastic member 78 abuts against the mounting blind hole; the brushless electric screwdriver 63 is connected to the first mounting member 72 through the third connecting member 711, so that the tool head 631 of the brushless electric screwdriver 63 can be movably passed through the suction nozzle 62; a limit block 710 for limiting the fourth slider 76 is provided on the first mounting member 72.

[0048] In order to make the second elastic member 78 deflect when compressed, a guide member 79 is connected to the first mounting member 72, and the guide member 79 is inserted into the second elastic member 78; the lower end of the guide member 79 is located at the upper part of the mounting blind hole and does not fully extend into the entire mounting blind hole; during operation, the Z-axis moving unit 3 drives the suction nozzle 62 to suck material on the screw feeder 61 with the cooperation of the X-axis moving unit 2. After the suction nozzle 62 absorbs the screw, the Z-axis moving unit 3 moves to the preset position with the cooperation of the X-axis moving unit 2, and then the Z-axis moving unit 3 continues to work downward, and the first mounting member 72 compresses the second elastic member 78, so that the tool head 631 of the brushless electric screwdriver 63 moves in the suction nozzle 62, so that the tool head 631 of the brushless electric screwdriver 63 is adapted to the cap of the screw on the suction nozzle 62, and then the brushless electric screwdriver 63 works to tighten the screw, and then the Z-axis moving unit 3 is moved away with the cooperation of the X-axis moving unit 2.

[0049] In one embodiment, if Figure 2 As shown, the Y-axis moving unit 4 includes two third synchronous belt pulleys 41 connected to the Y direction of the frame 1 at intervals, and the two third synchronous belt pulleys 41 are connected by a third synchronous belt 42 to realize transmission between the two third synchronous belt pulleys 41, one of the third synchronous belt pulleys 41 is connected to the output end of the third driving part provided on the frame 1, and the third driving part is the existing technology, such as a rotating motor, which is not described here; it should be noted that the third synchronous belt pulley 42 connected to the third driving part can also be directly connected to the output end of the third driving part; a fourth guide rail 44 is provided in the Y direction of the frame 1, and a fifth slider 45 is slidably connected to the fourth guide rail 44, and the fifth slider 45 is connected to the third synchronous belt 42. The third driving part works to drive the third synchronous belt 42 to transmit, thereby realizing the movement of the fifth slider 45 on the fourth guide rail 44, and the fifth slider 45 moves in the Y direction of the frame 1.

[0050] In one embodiment, if Figure 4 As shown, the fixture 5 includes a base plate 51 connected to the fifth slider 45 of the Y-axis moving unit 4, and a side plate 52 is connected to the left and right sides of the base plate 51 respectively. The rear side of the base plate 51 is connected to the rear plate 53, and the front side of the base plate 51 is connected to the front plate 54. The height of the front plate 54 is lower than the height of the side plate 52, and the height of the rear plate 53 is higher than the height of the side plate 52. A limiting groove 55 is provided on the rear plate 53 for limiting the product.

[0051] In one embodiment, if Figure 1 As shown, a safety grating 8 is provided on the frame 1. The structure and operation of the safety grating 8 are both prior art and will not be described in detail here.

[0052] During operation, the fixture 5 reaches the preset position under the action of the Y-axis moving unit 4, and the screws are supplied by the screw feeder 61. The locking unit 6 automatically takes out the screws and tightens the screws through the coordinated action of the X-axis moving unit 2 and the Z-axis moving unit 3, which greatly improves the locking efficiency, reduces labor costs, and has a simple equipment structure.

[0053] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0054] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0055] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0056] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0057] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0058] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model in specific circumstances.

[0059] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A three-axis automatic screw fastening device, characterized in that: It includes: frame; The X-axis moving unit is connected to the frame; the X-axis moving unit moves in the X direction of the frame; The Z-axis moving unit is connected to the X-axis moving unit; the Z-axis moving unit moves in the Y direction of the frame; The Y-axis moving unit is connected to the frame; The Y-axis moving unit moves in the Y direction of the frame; A fixture connected to the Y-axis moving unit; the fixture includes a base plate connected to the fifth slider of the Y-axis moving unit, a side plate connected to the left and right sides of the base plate, a rear plate connected to the rear side of the base plate, and a front plate connected to the front side of the base plate; The locking unit is connected to the Z-axis moving unit.

2. The three-axis automatic screw fastening device according to claim 1, characterized in that: The X-axis moving unit includes two first synchronous belt pulleys connected to the frame in the X direction at intervals, the two first synchronous belt pulleys are connected by a first synchronous belt, one of the first synchronous belt pulleys is connected to the output end of the first driving part provided on the frame; a first guide rail is provided in the X direction of the frame, a first slider is slidably connected to the first guide rail, and the first slider is connected to the first synchronous belt.

3. The three-axis automatic screw fastening device according to claim 1, characterized in that: The Z-axis moving unit includes a Z-axis connecting seat connected to the first slider of the X-axis moving unit, and two second synchronous belt pulleys are connected to the Z-axis connecting seat for rotation at intervals in the Z direction, and the two second synchronous belt pulleys are connected by a second synchronous belt; one of the second synchronous belt pulleys is connected to the output end of the second driving part provided on the Z-axis connecting seat; a second guide rail is provided in the Z direction of the Z-axis connecting seat, and a second slider is slidably connected to the second guide rail, and the second slider is connected to the second synchronous belt.

4. The three-axis automatic screw fastening device according to claim 1, characterized in that: The Y-axis moving unit includes two third synchronous belt pulleys connected to the Y direction of the frame at intervals, the two third synchronous belt pulleys are connected by a third synchronous belt, one of the third synchronous belt pulleys is connected to the output end of the third driving part provided on the frame; a fourth guide rail is provided in the Y direction of the frame, a fifth slider is slidably connected to the fourth guide rail, and the fifth slider is connected to the third synchronous belt.

5. The three-axis automatic screw fastening device according to claim 1, characterized in that: The height of the front plate is lower than that of the side plates, the height of the rear plate is higher than that of the side plates, and a limiting groove is provided on the rear plate.

6. The three-axis automatic screw fastening device according to claim 1, characterized in that: The locking unit includes a screw feeder arranged on the frame, a suction nozzle and a brushless electric screwdriver connected to the second slider of the Z-axis moving unit. The suction nozzle sucks the screws on the screw feeder; the blade of the brushless electric screwdriver is movably inserted into the suction nozzle; when the suction nozzle sucks the screw, the blade of the brushless electric screwdriver is adapted to the cap of the screw.

7. The three-axis automatic screw fastening device according to claim 6, characterized in that: It also includes a connecting unit, the suction nozzle and the brushless electric screwdriver are both connected to the connecting unit, and the connecting unit is connected to the second slider of the Z-axis moving unit.

8. The three-axis automatic screw fastening device according to claim 7, characterized in that: The connecting unit includes a third slider slidably connected to the second guide rail, the third slider is located below the second slider, the third slider is connected to the first mounting member, and the first mounting member and the third slider are an integral structure or a separate structure; The connecting unit further includes a first connecting column, the first connecting column being arranged along the Z direction of the frame, the upper end of the first connecting column being connected to the second slider; the lower end of the first connecting column being detachably connected to the first mounting member, the first connecting column being sleeved with a first elastic member; the first elastic member being located between the second slider and the first mounting member; A third guide rail is provided in the Z direction of the first mounting member, and a fourth slider is slidably connected to the third guide rail, and the fourth slider is connected to the second mounting member, and the second mounting member can slide in the Z direction of the first mounting member; the suction nozzle is connected to the second mounting member; a mounting blind hole is provided in the Z direction of the second mounting member, and a second elastic member is provided in the mounting blind hole, the upper end of the second elastic member abuts against the first mounting member, and the lower end of the second elastic member abuts against the mounting blind hole; the brushless electric screwdriver is connected to the first mounting member through the third connecting member, so that the tool head of the brushless electric screwdriver can be movably passed through the suction nozzle; a limit block for limiting the fourth slider is provided on the first mounting member.

9. The three-axis automatic screw fastening device according to claim 1, characterized in that: A safety grating is provided on the frame.

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