Cabinet type screw locking device

Abstract

The utility model discloses a cabinet type screw locking device which comprises an outer cover, a machine table and an electric control cabinet which are sequentially arranged from top to bottom. A controller is arranged in the electric control cabinet, a screw locking device is arranged on the machine table, touch screens are arranged on the two side faces of the outer cover respectively, and a front end control unit and a rear end control unit are arranged at the two ends of the machine table respectively. The screw locking device comprises an X1 movement shaft, an X2 movement shaft, a Y1 movement shaft, a Y2 movement shaft, a Z1 movement shaft, a Z2 movement shaft, a first screw feeder, a second screw feeder and a portal frame. By adopting the structural design of the double Y shafts, the double X shafts and the double Z shafts and arranging the two electric screwdrivers for screw locking operation, locking of two kinds of screws on the same product can be completed, the labor intensity of workers can be effectively relieved, and the production efficiency is improved; in addition, the device can be grafted in the middle of a production line, the front-placing and rear-taking alternate circulation operation of the workpieces is achieved, and the production efficiency of the production line is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw assembly, and more specifically, to a cabinet-type screw locking device. Background Art

[0002] In the product development of the 3C industry, mobile phones, tablet computers and other electronic products require a large number of tiny screws for assembly. Due to the small size of the screws, manual assembly is time-consuming, labor-intensive, and prone to fatigue and errors after long-term work, which greatly increases the assembly cost of the products and the overall assembly efficiency is low. In addition, due to the large variety of small-size screw specifications, the screws need to be arranged, picked up and used in sequence, and it is easy to make mistakes during manual operation, resulting in the selection of wrong screws. Moreover, due to the difference in torque output during manual locking, the screw locking effect is not ideal, and even problems such as screw slipping or not being tightened may occur. There are also automatic screw feeding devices on the market, but most of these devices can only feed one specification of screws. When there are many screw models, the bit needs to be frequently replaced, which affects the efficiency. In addition, most of the existing screw machines can only be used alone and cannot be used in cooperation with the production line, having great limitations. Content of the Utility Model

[0003] The utility model provides a cabinet-type screw locking device to solve the problems mentioned in the above background art. To achieve the above object, the utility model provides the following technical solution: A cabinet-type screw locking device includes an outer cover, a machine table and an electric control cabinet arranged in sequence from top to bottom; a controller is arranged in the electric control cabinet, a screw locking device is arranged on the machine table, touch screens are respectively arranged on both side surfaces of the outer cover, and a front-end control unit and a rear-end control unit are respectively arranged at both ends of the machine table; the touch screens, the front-end control unit, the rear-end control unit and the screw locking device are electrically connected to the controller.

[0004] Preferably, the screw locking device includes an X1 moving axis, an X2 moving axis, a Y1 moving axis, a Y2 moving axis, a Z1 moving axis, a Z2 moving axis, a first screw feeder, a second screw feeder and a gantry; the gantry is arranged in the middle of the machine table and includes a cross beam and two side arms, the X1 moving axis and the X2 moving axis are respectively arranged on both sides of the cross beam; the Y1 moving axis and the Y2 moving axis are arranged on the machine table in parallel, the first screw feeder and the second screw feeder are arranged between the Y1 moving axis and the Y2 moving axis; a first positioning fixture is arranged on the Y1 moving axis, and the Y1 moving axis can drive the first positioning fixture to move along the length direction of the Y1 moving axis; a second positioning fixture is arranged on the Y2 moving axis, and the Y2 moving axis can drive the second positioning fixture to move along the length direction of the Y2 moving axis; the Z1 moving axis is arranged on the X1 moving axis, and the X1 moving axis can drive the Z1 moving axis to reciprocate along the length direction of the cross beam; a first electric screwdriver is arranged on the Z1 moving axis, and the Z1 moving axis can drive the first electric screwdriver to reciprocate in the vertical direction; the Z2 moving axis is arranged on the X2 moving axis, and the X2 moving axis can drive the Z2 moving axis to reciprocate along the length direction of the cross beam; a second electric screwdriver is arranged on the Z2 moving axis, and the Z2 moving axis can drive the second electric screwdriver to reciprocate in the vertical direction.

[0005] Preferably, the X1 moving axis and the X2 moving axis have the same structure. The X1 moving axis includes a first motor, a first driving wheel, a first driven wheel, a first synchronous belt, an upper guide rail, a lower guide rail and a first sliding seat; the first motor is installed inside the cross beam and is in transmission connection with the first driving wheel; the first driven wheel is installed on the side of the cross beam, the first synchronous belt is wound around the first driving wheel and the first driven wheel, and the first driving wheel and the first driven wheel are in transmission connection through the first synchronous belt; the upper guide rail and the lower guide rail are arranged on the side of the cross beam in parallel, the first sliding seat is slidably arranged on the upper guide rail and the lower guide rail, the first synchronous belt is connected to the first sliding seat and can drive the first sliding seat to reciprocate.

[0006] Preferably, the Y1 motion axis has the same structure as the Y2 motion axis. The Y1 motion axis includes a second motor, a second driving pulley, a second driven pulley, a second synchronous belt, a horizontal guide rail, and a second sliding seat. The second motor is installed at the bottom of the machine table and is in transmission connection with the second driving pulley. The second driven pulley is installed on the machine table. The second synchronous belt is wound around the second driving pulley and the second driven pulley, and the second driving pulley and the second driven pulley are in transmission connection through the second synchronous belt. The horizontal guide rail is arranged on the machine table, and the second sliding seat is slidably arranged on the horizontal guide rail. The second synchronous belt is connected to the second sliding seat and can drive the second sliding seat to reciprocate. The second sliding seat is connected to the first positioning jig.

[0007] Preferably, the Z1 motion axis has the same structure as the Z2 motion axis. The Z1 motion axis includes a third motor, a third driving pulley, a third driven pulley, a third synchronous belt, a vertical guide rail, a third sliding seat, and a connecting plate. The connecting plate is fixedly connected to the first sliding seat. The third motor is installed on the inner side surface of the connecting plate and is in transmission connection with the third driving pulley. The third driven pulley is installed on the outer side surface of the connecting plate. The third synchronous belt is wound around the third driving pulley and the third driven pulley, and the third driving pulley and the third driven pulley are in transmission connection through the third synchronous belt. The vertical guide rail is arranged on the outer side surface of the connecting plate, and the third sliding seat is slidably arranged on the vertical guide rail. The third synchronous belt is connected to the third sliding seat and can drive the third sliding seat to reciprocate. The third sliding seat is connected to the first electric screwdriver.

[0008] Preferably, the first positioning jig has the same structure as the second positioning jig. The first positioning jig includes a positioning seat, a horizontal pressing part, and a lifting pressing part. The positioning seat is connected to the Y1 motion axis. The horizontal pressing part is arranged at the center of the positioning seat and includes a horizontal pressing cylinder, a horizontal connecting seat, and a horizontal pressing frame. The horizontal pressing cylinder is connected to the positioning seat, its piston rod is connected to the horizontal connecting seat, and the horizontal pressing frame is connected to the horizontal connecting seat. The lifting pressing part includes a pressing frame and a pair of lifting cylinders. The lifting cylinders are arranged on the side surface of the positioning seat, and both sides of the pressing frame are respectively connected to the piston rods of the pair of lifting cylinders. The connection between the lifting cylinder and the positioning seat is a movable connection.

[0009] Preferably, the first electric screwdriver has the same structure as the second electric screwdriver. The first electric screwdriver includes a vacuum suction head and a screwdriver body. The opening of the vacuum suction head is arranged downward, and a vacuum connector is provided on its side. The vacuum connector is used to connect a vacuum pumping device. The screwdriver body is arranged above the vacuum suction head and includes a bit. The bit is connected to the vacuum suction head. A pressure sensor is provided in the vacuum suction head, and the pressure sensor is connected to the controller.

[0010] Preferably, the first screw feeder has the same structure as the second screw feeder. The first screw feeder includes a screw aligning machine and a screw storage box. The screw aligning machine supplies screws to the first electric screwdriver, and the screw storage box is used to store the screws returned by the first electric screwdriver.

[0011] Preferably, a first magnetization device and a second magnetization device are further provided on the machine table. The first magnetization device is arranged in cooperation with the first electric screwdriver, and the second magnetization device is arranged in cooperation with the second electric screwdriver.

[0012] Preferably, safety light curtains are respectively provided on both side surfaces of the outer cover. The safety light curtains are connected to the controller. Universal casters are respectively provided at the four corners of the bottom of the electric control cabinet.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting two touch screens, a front-end control unit and a back-end control unit, the present utility model can control the screw locking device from both ends of the machine table. The screw locking device adopts a structural design of double Y-axes, double X-axes and double Z-axes, and two electric screwdrivers are set for screw locking operations, so that the locking of two types of screws on the same product can be completed, effectively reducing the manual labor intensity, improving the production efficiency, and the unity of the screw locking torque output. The front and rear ends of the machine table of the present utility model can both feed materials. The whole device can be grafted in the middle of the production line to realize the alternating cycle operation of placing workpieces at the front and taking them at the back. The double stations and double heads can carry out screw locking work simultaneously or alternately, effectively improving the production efficiency of the production line. Description of the Drawings

[0014] Figure 1 It is a structural diagram of the cabinet-type screw locking device according to an embodiment of the present utility model;

[0015] Figure 2 It is a rear view of the cabinet-type screw locking device according to an embodiment of the present utility model;

[0016] Figure 3 It is a structural diagram of the screw locking device of the cabinet-type screw locking device according to an embodiment of the present utility model;

[0017] Figure 4Front view of the screw locking device of the cabinet - type screw locking device according to an embodiment of the present utility model;

[0018] Figure 5 Sectional view of the screw locking device of the cabinet - type screw locking device according to an embodiment of the present utility model;

[0019] Figure 6 Exploded view of the X1 moving axis and Z1 moving axis in the screw locking device of the cabinet - type screw locking device according to an embodiment of the present utility model;

[0020] Figure 7 Structural diagram of the first positioning fixture in the screw locking device of the cabinet - type screw locking device according to an embodiment of the present utility model;

[0021] Figure 8 Sectional view of the first positioning fixture in the screw locking device of the cabinet - type screw locking device according to an embodiment of the present utility model;

[0022] In Figures 1 to 8 wherein the corresponding relationship between the names of each component and the drawing numbers is as follows:

[0023] 1 - Outer cover, 2 - Machine table, 3 - Electric control cabinet, 4 - Screw locking device, 41 - X1 moving axis, 4101 - First motor, 4102 - First driving pulley, 4103 - First driven pulley, 4104 - First synchronous belt, 4105 - Upper guide rail, 4106 - Lower guide rail, 4107 - First sliding seat, 42 - X2 moving axis, 43 - Y1 moving axis, 4301 - Second motor, 4302 - Second driving pulley, 4303 - Second driven pulley, 4304 - Second synchronous belt, 4305 - Horizontal guide rail, 4306 - Second sliding seat, 44 - Y2 moving axis, 45 - Z1 moving axis, 4501 - Third motor, 4502 - Third driving pulley, 4503 - Third driven pulley, 4504 - Third synchronous belt, 4505 - Vertical guide rail, 4506 - Third sliding seat, 4507 - Connecting plate, 46 - Z2 moving axis, 47 - First screw feeder, 48 - Second screw feeder, 49 - Gantry, 4901 - Cross beam, 4902 - Side arm, 410 - First positioning fixture, 41001 - Positioning seat, 41002 - Horizontal pressing cylinder, 41003 - Horizontal connecting seat, 41004 - Horizontal pressing frame, 41005 - Pressing frame, 41006 - Lifting cylinder, 411 - Second positioning fixture, 412 - First electric screwdriver, 41201 - Vacuum suction head, 41202 - Screwdriver body, 41203 - Bit, 413 - Second electric screwdriver, 5 - Touch screen, 6 - Front - end control unit, 7 - Rear - end control unit, 8 - Safety light curtain, 9 - Universal caster. Detailed implementation manners

[0024] The following further describes the implementation manners of the present utility model in detail in conjunction with the accompanying drawings and embodiments. The attached drawings are only for reference and explanation, and are not used to limit the embodiments of the present disclosure. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Please refer to Figures 1 to 8 , the present utility model provides a cabinet-type screw locking device, which includes an outer cover 1, a machine table 2, and an electric control cabinet 3 arranged in sequence from top to bottom; a controller is provided in the electric control cabinet 3, a screw locking device 4 is provided on the machine table 2, touch screens 5 are respectively provided on both side surfaces of the outer cover 1, a front-end control unit 6 and a rear-end control unit 7 are respectively provided at both ends of the machine table 2; the touch screens 5, the front-end control unit 6, the rear-end control unit 7, and the screw locking device 4 are electrically connected to the controller.

[0028] In an embodiment of the present utility model, the entire device is composed of an outer cover 1 at the top, a machine platform 2 in the middle, and an electric control cabinet 3 at the bottom. The screw locking device 4 is installed on the machine platform 2 and connected to a controller inside the electric control cabinet 3. To facilitate the operation of the device on both sides of the machine platform 2, touch screens 5 are respectively arranged on both sides of the outer cover 1 in this embodiment. By connecting to the controller, the touch screen 5 can set the parameters for screw locking. In addition, a front-end control unit 6 is arranged at the front end of the machine platform 2, and a rear-end control unit 7 is arranged at the rear end. Through these two control units, the screw locking device 4 can be started or stopped respectively from the front and rear ends of the machine platform 2, enabling the entire device to be well grafted in the middle of the production line, realizing the alternating cyclic operation of placing workpieces at the front and taking them at the rear, and performing screw locking work simultaneously or alternately with double stations and double heads, effectively improving the production efficiency of the production line.

[0029] Preferably, the screw locking device 4 includes an X1 moving axis 41, an X2 moving axis 42, a Y1 moving axis 43, a Y2 moving axis 44, a Z1 moving axis 45, a Z2 moving axis 46, a first screw feeder 47, a second screw feeder 48, and a gantry 49; the gantry 49 is arranged in the middle of the machine platform 2, and it includes a cross beam 4901 and two side arms 4902. The X1 moving axis 41 and the X2 moving axis 42 are respectively arranged on both sides of the cross beam 4901; the Y1 moving axis 43 and the Y2 moving axis 44 are arranged on the machine platform 2 in parallel. The first screw feeder 47 and the second screw feeder 48 are arranged between the Y1 moving axis 43 and the Y2 moving axis 44; a first positioning jig 410 is arranged on the Y1 moving axis 43, and the Y1 moving axis 43 can drive the first positioning jig 410 to move along the length direction of the Y1 moving axis 43; a second positioning jig 411 is arranged on the Y2 moving axis 44, and the Y2 moving axis 44 can drive the second positioning jig 411 to move along the length direction of the Y2 moving axis 44; the Z1 moving axis 45 is arranged on the X1 moving axis 41, and the X1 moving axis 41 can drive the Z1 moving axis 45 to reciprocate along the length direction of the cross beam 4901; a first electric screwdriver 412 is arranged on the Z1 moving axis 45, and the Z1 moving axis 45 can drive the first electric screwdriver 412 to reciprocate in the vertical direction; the Z2 moving axis 46 is arranged on the X2 moving axis 42, and the X2 moving axis 42 can drive the Z2 moving axis 46 to reciprocate along the length direction of the cross beam 4901; a second electric screwdriver 413 is arranged on the Z2 moving axis 46, and the Z2 moving axis 46 can drive the second electric screwdriver 413 to reciprocate in the vertical direction.

[0030] In an embodiment of the present utility model, a structural design of double Y axes, double X axes and double Z axes is adopted. Specifically, the Y1 movement axis 43 and the Y2 movement axis 44 are arranged in pairs and are parallel to each other on the machine table 2, and can respectively drive the first positioning jig 410 and the second positioning jig 411 to move. In this way, the first positioning jig 410 and the second positioning jig 411 can be loaded at the front end or the rear end of the machine table 2 respectively, and only the Y1 movement axis 43 or the Y2 movement axis 44 needs to be controlled. The X1 movement axis 41 and the X2 movement axis 42 are respectively arranged on both sides of the cross beam 4901, and respectively carry the Z1 movement axis 45 and the Z2 movement axis 46, so that the first electric screwdriver 412 on the Z1 movement axis 45 and the second electric screwdriver 413 on the Z2 movement axis 46 are respectively located on both sides of the cross beam 4901. Then, in cooperation with the Y1 movement axis 43 and the Y2 movement axis 44 below, the first electric screwdriver 412 can perform screw locking operations on the workpieces on the first positioning jig 410 or the second positioning jig 411, and the second electric screwdriver 413 can also perform screw locking operations on the workpieces on the first positioning jig 410 or the second positioning jig 411. It is also possible to adopt a form in which the first electric screwdriver 412 and the second electric screwdriver 413 alternately process the workpieces of the first positioning jig and the second positioning jig 411, which can realize the simultaneous processing of two products or the function of two screw lockings on the same product.

[0031] The working process of this embodiment is as follows:

[0032] Manually turn on the power supply. Manually place the product in the first positioning fixture 410 of the Y1 moving axis 43 in the correct direction. Press the front-end control unit 6 or the rear-end control unit 7. At the same time, manually place the product on the Y2 moving axis 44 and press the front-end control unit 6 or the rear-end control unit 7. The Y1 moving axis 43 drives the first positioning fixture 410 to move to the locking point of the Z1 moving axis 45 or the Z2 moving axis 46. At the same time, the Y2 moving axis 44 also drives the second positioning fixture 411 to move to the locking point of the Z1 moving axis 45 or the Z2 moving axis 46. The X1 moving axis 41 drives the Z1 moving axis 45 to move above the screw picking position on the first screw feeder 47 or the second screw feeder 48. The Z1 moving axis 45 drives the first electric screwdriver 412 to descend and pick up a screw. Then the Z1 moving axis 45 ascends while the X1 moving axis 41 moves the picked screw to the set locking position. The Z1 moving axis 45 descends while the first electric screwdriver 412 rotates and starts to lock the screw into the hole. After reaching the set torque, it automatically stops rotating. After the product in the first positioning fixture 410 on the Y1 moving axis 43 is locked with screws, it is moved to the lower rear station and the operator takes out the product. The Y1 moving axis 43 automatically returns to the upper station, and the upper station places another product in the fixture on the Y1 moving axis 43. Meanwhile, the X2 moving axis 42 drives the Z2 moving axis 46 to move above the screw picking position on the first screw feeder 47 or the second screw feeder 48. The Z2 moving axis 46 drives the second electric screwdriver 413 to descend and pick up a screw. The Z2 moving axis 46 ascends while the X2 moving axis 42 moves the picked screw to the set locking position. The Z2 moving axis 46 descends while the second electric screwdriver 413 rotates and starts to lock the screw into the hole. After reaching the set torque, it automatically stops rotating. After the product in the second positioning fixture 411 on the Y2 moving axis 44 is locked with screws, it is moved to the lower rear station and the operator takes out the product. The Y2 moving axis 44 automatically returns to the upper station, and the upper station places another product in the second positioning fixture 411 on the Y2 moving axis 44. Repeat this operation in the above cycle. The Z1 moving axis 45 / Z2 moving axis 46 can alternately lock the corresponding screws of the products on the Y1 moving axis 43 / Y2 moving axis 44, or can complete the locking of two types of screws on the same product according to the setting.

[0033] Preferably, the X1 motion axis 41 and the X2 motion axis 42 have the same structure. The X1 motion axis 41 includes a first motor 4101, a first driving pulley 4102, a first driven pulley 4103, a first synchronous belt 4104, an upper guide rail 4105, a lower guide rail 4106 and a first sliding seat 4107. The first motor 4101 is installed inside the cross beam 4901 and is in driving connection with the first driving pulley 4102. The first driven pulley 4103 is installed on the side of the cross beam 4901. The first synchronous belt 4104 is wound around the first driving pulley 4102 and the first driven pulley 4103. The first driving pulley 4102 and the first driven pulley 4103 are in driving connection through the first synchronous belt 4104. The upper guide rail 4105 and the lower guide rail 4106 are arranged in parallel on the side of the cross beam 4901. The first sliding seat 4107 is slidably arranged on the upper guide rail 4105 and the lower guide rail 4106. The first synchronous belt 4104 is connected to the first sliding seat 4107 and can drive the first sliding seat 4107 to move back and forth.

[0034] With the above structural design, taking the X1 motion axis 41 as an example, when it is necessary to drive the Z1 motion axis 45 to move, the first motor 4101 starts and drives the first synchronous belt 4104 to operate. The first synchronous belt 4104 acts on the first sliding seat 4107, so that the first sliding seat 4107 moves along the length direction of the upper guide rail 4105 and the lower guide rail 4106 to drive the entire Z1 motion axis 45 to move.

[0035] Preferably, the Y1 motion axis 43 and the Y2 motion axis 44 have the same structure. The Y1 motion axis 43 includes a second motor 4301, a second driving pulley 4302, a second driven pulley 4303, a second synchronous belt 4304, a horizontal guide rail 4305 and a second sliding seat 4306. The second motor 4301 is installed at the bottom of the machine table 2 and is in driving connection with the second driving pulley 4302. The second driven pulley 4303 is installed on the machine table 2. The second synchronous belt 4304 is wound around the second driving pulley 4302 and the second driven pulley 4303. The second driving pulley 4302 and the second driven pulley 4303 are in driving connection through the second synchronous belt 4304. The horizontal guide rail 4305 is arranged on the machine table 2. The second sliding seat 4306 is slidably arranged on the horizontal guide rail 4305. The second synchronous belt 4304 is connected to the second sliding seat 4306 and can drive the second sliding seat 4306 to move back and forth. The second sliding seat 4306 is connected to the first positioning fixture 410.

[0036] Through the above structural design, taking the Y1 moving axis 43 as an example, when it is necessary to drive the first positioning jig 410 to move, the second motor 4301 starts and drives the second synchronous belt 4304 to rotate. The second synchronous belt 4304 acts on the second sliding seat 4306, causing the second sliding seat 4306 to move along the length direction of the horizontal guide rail 4305, so as to drive the first positioning jig 410 to move, and then drive the workpiece to move to the preset screw locking point.

[0037] Preferably, the Z1 moving axis 45 has the same structure as the Z2 moving axis 46. The Z1 moving axis 45 includes a third motor 4501, a third driving pulley 4502, a third driven pulley 4503, a third synchronous belt 4504, a vertical guide rail 4505, a third sliding seat 4506 and a connecting plate 4507. The connecting plate 4507 is fixedly connected to the first sliding seat 4107. The third motor 4501 is installed on the inner side surface of the connecting plate 4507 and is drivingly connected to the third driving pulley 4502. The third driven pulley 4503 is installed on the outer side surface of the connecting plate 4507. The third synchronous belt 4504 is wound around the third driving pulley 4502 and the third driven pulley 4503, and the third driving pulley 4502 and the third driven pulley 4503 are drivingly connected through the third synchronous belt 4504. The vertical guide rail 4505 is provided on the outer side surface of the connecting plate 4507. The third sliding seat 4506 is slidably provided on the vertical guide rail 4505. The third synchronous belt 4504 is connected to the third sliding seat 4506 and can drive the third sliding seat 4506 to reciprocate. The third sliding seat 4506 is connected to the first electric screwdriver 412.

[0038] Through the above structural design, taking the Z1 moving axis 45 as an example, when it is necessary to drive the first electric screwdriver 412 to move, the third motor 4501 starts and drives the third synchronous belt 4504 to rotate. The third synchronous belt 4504 acts on the third sliding seat 4506, causing the third sliding seat 4506 to vertically move along the length direction of the vertical guide rail 4505, so as to drive the first electric screwdriver 412 to move to pick up the screw and drive the screw to the workpiece for locking operation.

[0039] Preferably, the first positioning fixture 410 and the second positioning fixture 411 have the same structure. The first positioning fixture 410 includes a positioning seat 41001, a horizontal pressing part, and a lifting pressing part; the positioning seat 41001 is connected to the Y1 movement axis 43; the horizontal pressing part is arranged at the center of the positioning seat 41001, and it includes a horizontal pressing cylinder 41002, a horizontal connecting seat 41003, and a horizontal pressing frame 41004; the horizontal pressing cylinder 41002 is connected to the positioning seat 41001, its piston rod is connected to the horizontal connecting seat 41003, and the horizontal pressing frame 41004 is connected to the horizontal connecting seat 41003; the lifting pressing part includes a pressing frame 41005 and a pair of lifting cylinders 41006. The lifting cylinders 41006 are arranged on the side of the positioning seat 41001, and both sides of the pressing frame 41005 are respectively connected to the piston rods of a pair of lifting cylinders 41006; the connection between the lifting cylinder 41006 and the positioning seat 41001 is a movable connection. In this embodiment, the product is clamped and fixed in two directions, namely the vertical direction and the horizontal direction. Specifically, the lifting pressing part drives the lifting or lowering of the pressing frame 41005 through the lifting cylinder 41006. When the pressing frame 41005 is lifted, the product can be placed into the horizontal pressing frame 41004. Then, the horizontal cylinder drives the horizontal pressing frame 41004 through the horizontal connecting seat 41003 to clamp the product. Next, the lifting cylinder 41006 drives the pressing frame 41005 to descend to firmly clamp the product from the vertical direction, so as to improve the accuracy of screw locking.

[0040] Preferably, the first electric screwdriver 412 and the second electric screwdriver 413 have the same structure. The first electric screwdriver 412 includes a vacuum suction head 41201 and a screwdriver body 41202. The opening of the vacuum suction head 41201 faces downward, and a vacuum connector is provided on its side. The vacuum connector is used to connect a vacuum pumping device. The screwdriver body 41202 is arranged above the vacuum suction head 41201 and includes a bit 41203. The bit 41203 is connected to the vacuum suction head 41201. A pressure sensor is provided in the vacuum suction head 41201, and the pressure sensor is connected to the controller. In this embodiment, the grasping of the screw is realized by the vacuum suction head 41201. The vacuum suction head 41201 is connected to the vacuum pumping device, so that a negative pressure is formed at the lower opening. When the Z1 movement axis 45 descends, the vacuum suction head 41201 sucks the top of the screw. Then, the transfer of the screw is realized through the cooperation of the X1 movement axis 41 and the Z1 movement axis 45. When the screw reaches the locking position, the Z1 movement axis 45 continues to descend, so that the screwdriver body 41202 and the bit 41203 descend and contact the screw on the vacuum suction head 41201. Then, the screwdriver body 41202 starts and drives the bit 41203 to screw the screw into the product, and the locking process of the product is completed. By setting a pressure sensor to detect the air pressure change in the vacuum suction head 41201, the deviation between the pressure value after sucking the screw and the set value can be detected. When the deviation is large, it indicates that the screw is not stably sucked. At this time, through the cooperation of the X1 movement axis 41 and the Z1 movement axis 45, the screw is sent to the designated position and then the screw is put down. Then, it returns to the first screw feeder 47 or the second screw feeder 48 to grasp the screw again, so as to ensure that the grasped screws can be stably adsorbed, improve the subsequent screw locking quality, and avoid the situation that the screw falls off, is locked obliquely, or falls onto the machine table 2 due to insufficient suction force, affecting the normal operation of the equipment.

[0041] Preferably, the first screw feeder 47 and the second screw feeder 48 have the same structure. The first screw feeder 47 includes a screw arranging machine and a screw storage box. The screw arranging machine provides screws for the first electric screwdriver 412, and the screw storage box is used to store the screws returned by the first electric screwdriver 412. In this embodiment, the screw arranging machine arranges the screws and divides them into each one. The vacuum suction head 41201 sucks the separated screws by vacuum suction for the locking operation. Once the pressure sensor detects that there is a situation of insufficient screw suction, the screw is sent into the screw storage box for the screw to be reused.

[0042] Preferably, a first magnetic adding device and a second magnetic adding device are further arranged on the machine table 2. The first magnetic adding device is arranged in cooperation with the first electric screwdriver 412, and the second magnetic adding device is arranged in cooperation with the second electric screwdriver 413. With the above structural arrangement, the first electric screwdriver 412 or the second electric screwdriver 413 can automatically re-magnetize after the magnetism of the bit 41203 weakens.

[0043] Preferably, safety light curtains 8 are respectively arranged on both side surfaces of the outer cover 1, and the safety light curtains 8 are connected to the controller; universal casters 9 are respectively arranged at the four corners of the bottom of the electric control cabinet 3. In this embodiment, by arranging the safety light curtains 8 on both sides of the outer cover 1, the safety light curtains 8 are arranged towards the incoming material direction of the machine table 2. The safety light curtains 8 judge whether there are foreign objects entering the machine table 2 by detecting the occlusion of the light path by personnel or instruments. Once it is found that there are foreign objects entering, the working process of the equipment can be paused through the controller, thereby protecting the operator or the machine table 2. Further, an alarm device can be set, and the alarm device is connected to the controller. Once there are foreign objects entering, a reminder can be sent out through the alarm device. In addition, since the cabinet-type six-axis automatic screw locking device 4 can be grafted in the middle of the production line to realize the alternating cyclic operation of front loading and rear taking, universal casters 9 are arranged at the bottom of the electric control cabinet 3 to facilitate the rapid movement of the device, so as to enhance the matching practicality of the production line operation.

[0044] Compared with the prior art, the beneficial effects of the present utility model are as follows: by arranging two touch screens, a front-end control unit and a rear-end control unit, the present utility model can control the screw locking device from both ends of the machine table; the screw locking device adopts a structural design of double Y axes, double X axes and double Z axes, and two electric screwdrivers are arranged for screw locking operations, and the locking of two types of screws on the same product can be completed, which can effectively reduce the manual labor intensity, improve the production efficiency, and the unity of the screw locking torque output; the front and rear ends of the machine table of the present utility model can both feed materials, and the whole device can be grafted in the middle of the production line to realize the alternating cyclic operation of front loading and rear taking of workpieces, and the double-station double-head simultaneously or alternately performs screw locking work, effectively improving the production efficiency of the production line.

[0045] The embodiments of the present utility model are given for the purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present utility model and its practical applications, and to enable those of ordinary skill in the art to understand the present utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A cabinet type screw locking device, characterized in that, It includes a housing (1), a machine table (2), and an electric control cabinet (3) arranged successively from top to bottom; a controller is provided inside the electric control cabinet, a screw locking device (4) is provided on the machine table, touch screens (5) are respectively provided on two side surfaces of the housing, and a front-end control unit (6) and a rear-end control unit (7) are respectively provided at two ends of the machine table; the touch screens, the front-end control unit, the rear-end control unit, and the screw locking device are electrically connected to the controller; The screw locking device includes an X1 moving axis (41), an X2 moving axis (42), a Y1 moving axis (43), a Y2 moving axis (44), a Z1 moving axis (45), a Z2 moving axis (46), a first screw feeder (47), a second screw feeder (48), and a gantry (49); the gantry is arranged in the middle of the machine table and includes a cross beam (4901) and two side arms (4902), the X1 moving axis and the X2 moving axis are respectively arranged on both sides of the cross beam; the Y1 moving axis and the Y2 moving axis are arranged on the machine table in parallel, the first screw feeder and the second screw feeder are arranged between the Y1 moving axis and the Y2 moving axis; a first positioning fixture (410) is provided on the Y1 moving axis, and the Y1 moving axis can drive the first positioning fixture to move along the length direction of the Y1 moving axis; a second positioning fixture (411) is provided on the Y2 moving axis, and the Y2 moving axis can drive the second positioning fixture to move along the length direction of the Y2 moving axis; the Z1 moving axis is arranged on the X1 moving axis, and the X1 moving axis can drive the Z1 moving axis to reciprocate along the length direction of the cross beam; a first electric screwdriver (412) is provided on the Z1 moving axis, and the Z1 moving axis can drive the first electric screwdriver to reciprocate in the vertical direction; the Z2 moving axis is arranged on the X2 moving axis, and the X2 moving axis can drive the Z2 moving axis to reciprocate along the length direction of the cross beam; a second electric screwdriver (413) is provided on the Z2 moving axis, and the Z2 moving axis can drive the second electric screwdriver to reciprocate in the vertical direction.

2. The cabinet-type screw locking device according to claim 1, wherein, The structures of the X1 motion axis and the X2 motion axis are the same. The X1 motion axis includes a first motor (4101), a first driving pulley (4102), a first driven pulley (4103), a first synchronous belt (4104), an upper guide rail (4105), a lower guide rail (4106) and a first sliding seat (4107); the first motor is installed inside the cross beam and is in transmission connection with the first driving pulley; the first driven pulley is installed on the side of the cross beam, the first synchronous belt is wound around the first driving pulley and the first driven pulley, and the first driving pulley and the first driven pulley are in transmission connection through the first synchronous belt; the upper guide rail and the lower guide rail are arranged on the side of the cross beam in parallel, the first sliding seat is slidably arranged on the upper guide rail and the lower guide rail, the first synchronous belt is connected to the first sliding seat and can drive the first sliding seat to reciprocate.

3. The cabinet lock screw device according to claim 2, wherein The structures of the Y1 motion axis and the Y2 motion axis are the same. The Y1 motion axis includes a second motor (4301), a second driving pulley (4302), a second driven pulley (4303), a second synchronous belt (4304), a horizontal guide rail (4305) and a second sliding seat (4306); the second motor is installed at the bottom of the machine table and is in transmission connection with the second driving pulley; the second driven pulley is installed on the machine table, the second synchronous belt is wound around the second driving pulley and the second driven pulley, and the second driving pulley and the second driven pulley are in transmission connection through the second synchronous belt; the horizontal guide rail is arranged on the machine table, the second sliding seat is slidably arranged on the horizontal guide rail, the second synchronous belt is connected to the second sliding seat and can drive the second sliding seat to reciprocate; the second sliding seat is connected to the first positioning jig.

4. The cabinet lock screw device according to claim 3, characterized in that, The structures of the Z1 motion axis and the Z2 motion axis are the same. The Z1 motion axis includes a third motor (4501), a third driving pulley (4502), a third driven pulley (4503), a third synchronous belt (4504), a vertical guide rail (4505), a third sliding seat (4506) and a connecting plate (4507); the connecting plate is fixedly connected to the first sliding seat; the third motor is installed on the inner side surface of the connecting plate and is in transmission connection with the third driving pulley; the third driven pulley is installed on the outer side surface of the connecting plate, the third synchronous belt is wound around the third driving pulley and the third driven pulley, and the third driving pulley and the third driven pulley are in transmission connection through the third synchronous belt; the vertical guide rail is arranged on the outer side surface of the connecting plate, the third sliding seat is slidably arranged on the vertical guide rail, the third synchronous belt is connected to the third sliding seat and can drive the third sliding seat to reciprocate; the third sliding seat is connected to the first electric screwdriver.

5. The cabinet lock screw device according to claim 3, wherein The structures of the first positioning jig and the second positioning jig are the same. The first positioning jig includes a positioning base (41001), a horizontal pressing part, and a lifting pressing part; the positioning base is connected to the Y1 moving axis; the horizontal pressing part is arranged at the center of the positioning base and includes a horizontal pressing cylinder (41002), a horizontal connecting seat (41003), and a horizontal pressing frame (41004); the horizontal pressing cylinder is connected to the positioning base, its piston rod is connected to the horizontal connecting seat, and the horizontal pressing frame is connected to the horizontal connecting seat; the lifting pressing part includes a pressing frame (41005) and a pair of lifting cylinders (41006), the lifting cylinders are arranged on the side of the positioning base, and both sides of the pressing frame are respectively connected to the piston rods of the pair of lifting cylinders; the connection between the lifting cylinder and the positioning base is movably connected.

6. The cabinet-type screw locking device according to claim 1, wherein, The structures of the first electric screwdriver and the second electric screwdriver are the same. The first electric screwdriver includes a vacuum suction head (41201) and a screwdriver body (41202); the opening of the vacuum suction head is arranged downward, and a vacuum joint is arranged on its side surface, and the vacuum joint is used to connect a vacuum pumping device; the screwdriver body is arranged above the vacuum suction head and includes a bit (41203), and the bit is connected to the vacuum suction head; a pressure sensor is arranged in the vacuum suction head, and the pressure sensor is connected to the controller.

7. The cabinet lock screw device according to claim 6, wherein The structures of the first screw feeder and the second screw feeder are the same. The first screw feeder includes a screw arranging machine and a screw storage box; the screw arranging machine provides screws for the first electric screwdriver, and the screw storage box is used to store the screws returned by the first electric screwdriver.

8. The cabinet lock screw device according to claim 1, characterized in that, A first magnetization device and a second magnetization device are further arranged on the machine table. The first magnetization device is arranged in cooperation with the first electric screwdriver, and the second magnetization device is arranged in cooperation with the second electric screwdriver.

9. The cabinet lock screw device according to any one of claims 1 to 8, characterized in that, Safety light curtains (8) are respectively arranged on both side surfaces of the outer cover, and the safety light curtains are connected to the controller; universal casters (9) are respectively arranged at the four corners of the bottom of the electric control cabinet.

Images