Automatic screw driving device for handrail metal fittings

Abstract

The utility model relates to the technical field of handrail metal fitting machining, in particular to an automatic screw driving device for handrail metal fittings, and aims to solve the technical problem that a large amount of time and manpower are needed for screw driving operation in the machining process of existing handrail metal fittings. According to the technical scheme, the automatic screw driving device for the handrail metal accessories comprises a supporting base, a clamping assembly, a sliding assembly, a screw locking assembly, a driving assembly, a glue supply assembly and a screw supply table; according to the automatic screw driving device for the handrail metal accessories, a traditional manual machining mode is replaced, the screw locking assembly picks up screws placed on the screw supply table and moves the screws to the position above the metal accessories to drive the screws into the metal accessories, and therefore the machining efficiency is improved; the problem that in the machining process of an existing handrail metal accessory, a large amount of time and manpower need to be consumed for screwing operation is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of handrail metal fittings processing, and in particular relates to an automatic screw driving device for handrail metal fittings. Background Art

[0002] The armrest accessories specially used for mechanical seats in engineering vehicles are widely used in the seats of forestry machinery, construction machinery, agricultural machinery and other vehicles, special vehicles, and workstations because of their ergonomic design, flexible operation and comfortable use. During the processing of armrest metal accessories, the various accessories need to be connected together with screws.

[0003] At present, when processing handrail metal accessories, the screwing work is often done manually. This processing method requires a lot of manpower and time. At the same time, the quality of the extended handrail metal accessories will also be affected by the workers' proficiency.

[0004] Therefore, in view of the problem that the processing of the above-mentioned existing handrail metal accessories is often carried out manually, which requires a lot of manpower and time, and the quality of the handrail metal accessories is also affected by the workers' proficiency, an automatic screw-driving device for handrail metal accessories is designed to replace the traditional manual processing method and improve the processing efficiency. Utility Model Content

[0005] In order to overcome the problem that existing handrail metal accessories require a lot of time and manpower to manually perform screwing operations during the processing process.

[0006] The technical solution of the utility model is: an automatic screw-driving device for handrail metal accessories, comprising a supporting base, a clamping assembly, a sliding assembly, a screw locking assembly, a driving assembly, a glue supply assembly and a screw supply table; the supporting base is provided with clamping assemblies which are opposite to each other on the left and right and are used to fix the metal base of the handrail, the supporting base is provided with a sliding assembly for moving the clamping assembly, the supporting base is provided with a screw locking assembly located above the clamping assembly, the supporting base is provided with a driving assembly for moving the screw locking assembly on the left and right, the supporting base is provided with a glue supply assembly, and the supporting base is provided with a screw supply table, in which neatly arranged screws are placed.

[0007] Preferably, an automatic screw-driving device for handrail metal accessories is designed to replace the traditional manual processing method. The driving component drives the screw locking component to move left and right, and the sliding component drives the clamping component for fixing the metal accessories to move forward and backward. The screws placed on the screw supply table are picked up and moved above the metal accessories to be driven into them, so as to improve the processing efficiency. The glue supply component can apply glue on the screws to facilitate locking the screws, and at the same time it can also have a sealing effect.

[0008] Preferably, the clamping assembly includes a support platform and a clamp. The support platform is arranged on the support base, and the clamp having holes and grooves on the surface matching the workpiece is installed on the support platform. The clamp not only plays a supporting role under the workpiece, but also can limit the left and right movement of the workpiece because of the holes and grooves, thereby playing the role of fixing the position of the workpiece.

[0009] Preferably, the clamping assembly also includes a limit clamp; a column movably connected to the support platform, the column is movably connected to the limit clamp, a circular workpiece is slidably connected to the workpiece fixed in the clamp, a limit groove matching the limit clamp is fixedly connected to the circular workpiece, the limit clamp can be rotated, the limit clamp is rotated above the workpiece, and it is clamped into the limit groove for fixing.

[0010] Preferably, the sliding assembly includes a slide groove, a slider and a No. 1 cylinder; a slide groove is provided on the support platform, and a slider installed at the bottom end of the fixture is slidably connected in the slide groove; a No. 1 cylinder connected to the slider and having a piston rod is installed on the support platform, and the slider is pushed by the No. 1 cylinder to move in the slide groove to drive the support platform installed on the slider to move forward and backward.

[0011] Preferably, the screw locking assembly includes a No. 1 fixing frame and an electric screwdriver bit. A No. 1 fixing frame is arranged above the support base, and the electric screwdriver bit is plugged into the No. 1 fixing frame. The electric screwdriver bit has a built-in torque sensor. When screwing, the torque system controls the current and time to control the machine torque, and the electric screwdriver bit torque-locks the screw. When the screw is subject to excessive resistance, the torque sensor returns a signal to the torque system to send a control signal, causing the electric screwdriver bit to stop working and sound an alarm, alerting technicians to come for inspection.

[0012] Preferably, the driving assembly includes a moving platform, a threaded rod, a limit column and a No. 1 motor; the moving platform is installed on the top of the No. 1 fixed frame, the threaded rod is inserted in the support base, the limit column is fixedly connected in the support base, a screw hole matching the threaded rod is opened on the moving platform, the moving platform is sleeved on the outside of the limit column, and a transmission assembly is installed on the support base and connected to the No. 1 motor on the threaded rod. The threaded rod is driven to rotate by the No. 1 motor. Under the restriction of the limit column, the moving platform cannot rotate with the threaded rod, but moves left and right along the limit column together with the locking screw assembly installed below.

[0013] Preferably, the glue supply assembly includes a column, a No. 2 fixing frame, a glue supply needle, a rotating shaft and an adjusting knob; a column installed on a support base is provided on one side of the screw supply table, a No. 2 fixing frame is provided on one side of the column, the glue supply needle is inserted in the No. 2 fixing frame, and a rotating shaft movably inserted in the column is fixedly connected to one side of the No. 2 fixing frame. An adjusting knob fixedly connected to the rotating shaft is provided on the column, and the rotating shaft and the No. 2 fixing frame are driven to rotate on the column by turning the adjusting knob, so as to fine-tune the angle of the glue supply needle installed in the No. 2 fixing frame. A glue storage barrel filled with glue is installed at the rear of the device, and the glue in the glue storage barrel is sent to the glue supply needle by air pressure. The air pressure time is controlled by a control system and the glue outflow is controlled by a precision glue valve to make the glue even and smooth. Applying glue on the screw can provide convenience for locking the screw, and it also has a certain sealing effect to prevent dust or moisture from entering the gap between the screw and the metal base.

[0014] Beneficial effects of the utility model:

[0015] By designing an automatic screw-driving device for handrail metal accessories to replace the traditional manual processing method, the driving component drives the locking screw component to move left and right, and the sliding component drives the clamping component that fixes the metal accessories to move forward and backward, pick up the screws placed on the screw supply table and move them above the metal accessories to drive the screws into them, so as to improve the processing efficiency;

[0016] The glue supply component controls the incoming air pressure and valve to allow the glue supply needle to discharge glue evenly and smoothly, and apply the glue to the screw thread, which can facilitate the locking of the screw. At the same time, the glue will fill the gap between the screw thread and the metal base, extending the service life of the metal base. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The first three-dimensional structure schematic diagram of the automatic screw driving device for handrail metal accessories of the utility model is shown;

[0018] Figure 2 The first three-dimensional structure schematic diagram of the clamping assembly and the moving assembly of the automatic screw-driving device for handrail metal fittings of the utility model is shown;

[0019] Figure 3 The second three-dimensional structure schematic diagram of the clamping assembly and the moving assembly of the automatic screw-driving device for handrail metal fittings of the utility model is shown;

[0020] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the support base of the automatic screw-driving device for handrail metal accessories of the utility model;

[0021] Figure 5The present invention shows a schematic diagram of the three-dimensional structure of the screw locking assembly and the moving assembly of the automatic screw driving device for handrail metal accessories;

[0022] Figure 6 Shown is a three-dimensional structural schematic diagram of the glue supply component of the automatic screw-driving device for handrail metal accessories of the utility model.

[0023] Explanation of the reference numerals: 1. Support base; 2. Screw supply table; 301. Support table; 302. Clamp; 303. Limit clamp; 401. Slide groove; 402. Slider; 403. Cylinder No. 1; 501. Fixed frame No. 1; 502. Electric screwdriver bit; 601. Moving table; 602. Threaded rod; 603. Limit column; 604. Motor No. 1; 701. Column; 702. Fixed frame No. 2; 703. Glue supply needle; 704. Adjustment knob. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 6 The utility model provides an embodiment: an automatic screw-driving device for handrail metal accessories comprises a support base 1, a clamping component, a sliding component, a screw locking component, a driving component, a glue supply component and a screw supply table 2; the support base 1 is provided with a clamping component which is opposite to the left and right and is used to fix the metal base of the handrail, the support base 1 is provided with a sliding component for moving the clamping component, the support base 1 is provided with a screw locking component located above the clamping component, the support base 1 is provided with a driving component for moving the screw locking component left and right, the support base 1 is provided with a glue supply component, the support base 1 is provided with a screw supply table 2, and neatly arranged screws are placed in the screw supply table 2, and an automatic screw-driving device for handrail metal accessories is designed to replace the traditional manual processing method, the driving component drives the screw locking component to move left and right, and the sliding component drives the clamping component for fixing the metal accessories to move forward and backward, the screws placed on the screw supply table 2 are picked up and moved to the top of the metal accessories to drive the screws into them, so as to improve the processing efficiency, and the glue supply component can apply glue on the screws to facilitate locking the screws, and at the same time can also play a sealing effect.

[0026] See also Figure 2-Figure 4In this embodiment, the clamping assembly includes a support platform 301 and a clamp 302. The support base is provided with a support platform 301, and a clamp 302 with a hole groove on the surface of the workpiece is installed on the support platform 301. The clamping assembly also includes a limit clamp 303; a column movably connected to the support platform, the column movably connected to the limit clamp 303, a circular workpiece is slidably connected to the workpiece fixed in the clamp 302, and a limit groove matching the limit clamp 303 is fixedly connected to the circular workpiece. The sliding assembly includes a slide groove 401, a slider 402 and a No. 1 cylinder 403; a slide groove 40 is opened on the support platform 1. A slider 402 installed at the bottom of the fixture 302 is slidably connected in the slide groove 401, and a No. 1 cylinder 403 whose piston rod is connected to the slider is installed on the support platform 301. The fixture 302 plays a supporting role under the workpiece and can limit the left and right movement of the workpiece because of the hole grooves provided, thereby playing a role in fixing the position of the workpiece. The limit clamp 303 can be rotated, and the limit clamp 303 is rotated to the top of the workpiece and is clamped into the limit groove for fixation. The slider 402 is pushed to move on the slide groove 401 by the No. 1 cylinder 403 to drive the support platform 301 installed on the slider 402 to move forward and backward.

[0027] See also Figure 5-Figure 6In this embodiment, the screw locking assembly includes a No. 1 fixing frame 501 and an electric screwdriver head 502. The No. 1 fixing frame 501 is arranged above the support base 1, and the electric screwdriver head 502 is inserted in the No. 1 fixing frame 501. The driving assembly includes a moving platform 601, a threaded rod 602, a limiting column 603 and a No. 1 motor 604; the moving platform 601 is installed on the top of the No. 1 fixing frame 501, the threaded rod 602 is inserted in the support base 1, and the limiting column 603 is fixedly connected in the support base 1. The moving platform 601 is provided with a screw hole matching the threaded rod 602, and the moving platform 601 is sleeved on the limiting column 60 3, a transmission assembly is installed on the support base 1 and connected to a No. 1 motor 604 on the threaded rod 602, and a glue supply assembly includes a column 701, a No. 2 fixing frame 702, a glue supply needle 703, a rotating shaft and an adjusting knob 704; a column 701 installed on the support base 1 is provided on one side of the screw supply platform 2, a No. 2 fixing frame 702 is provided on one side of the column 701, a glue supply needle 703 is plugged into the No. 2 fixing frame 702, a rotating shaft movably plugged into the column 701 is fixedly connected on one side of the No. 2 fixing frame 702, and an adjusting knob 704 fixedly connected to the rotating shaft is provided on the column 701. The electric screwdriver head 502 is equipped with a torque sensor. When screwing, the torque system controls the current and time to control the torque of the machine. The electric screwdriver head 502 torque locks the screw. When the resistance of the screw is too large, the torque sensor returns a signal to the torque system to send a control signal, so that the electric screwdriver head 502 stops working and sounds an alarm to remind the technician to come for inspection. The threaded rod 602 is driven to rotate by the No. 1 motor 604. Under the restriction of the limit column 603, the movable platform 601 cannot rotate with the threaded rod 602, but moves along the limit column 603 with the locking screw assembly installed below. 3 is moved left and right, and the rotating shaft and the second fixing frame 702 are driven to rotate on the column 701 by adjusting the knob 704, so as to change the angle of the glue supply needle tube 703 in the second fixing frame 702. A glue storage barrel filled with glue is installed at the rear of the device. The glue in the glue storage barrel is sent to the glue supply needle tube through air pressure. The air pressure time and the precision glue valve are used to control the glue outflow to make the glue even and smooth. Applying glue on the screw can provide convenience for locking the screw, and it also has a certain sealing effect to prevent dust or moisture from entering the gap between the screw and the metal base.

[0028] When working, first, the staff puts the screw into the screw supply table 2, then places the workpiece in the fixture 302, and then places the circular workpiece on top, and then rotates the limit clamp 303 to make the limit clamp 303 clamped in the limit groove on the circular workpiece, and starts the machine. The No. 1 cylinder 403 drives the slider 402 to move in the slide groove 401 and move to the appropriate position. The sensor or visual system in the machine will detect the material. When it is in place, the No. 1 cylinder 403 stops running, and the adjustment knob 704 is turned. The adjustment knob 704 drives the rotating shaft and the glue supply needle tube 703 to rotate, and the inclination angle of the glue supply needle tube 703 is fine-tuned and corrected;

[0029] The No. 1 motor 604 is started, the threaded rod 602 rotates, and the movable platform 601 drives the locking screw assembly to move left and right under the restriction of the limit column 603, and the electric screwdriver head 502 is moved to the top of the screw supply platform 2, and the electric screwdriver head 502 is started, and the electric screwdriver head 502 lifts the screw placed on the screw supply platform 2, and then moves to the glue supply assembly position, and at the same time, the electric screwdriver head 502 rotates to rotate the screw, and the control system will issue a command to start the No. 2 cylinder to make the glue in the glue supply needle tube 703 flow out, and the glue supply needle tube 703 evenly applies the glue on the thread of the screw, and then the No. 1 motor 604 is started, and the No. 1 motor 604 is moved to the top of the fixture, and the processing screw is fastened to the mounting base;

[0030] During the process of tightening the screws, the electric screwdriver head 502 will activate the torque sensor to detect the resistance of the screws. Once the resistance of the screws is too large, the torque sensor returns a signal to the torque system to send a control signal for shutdown detection.

[0031] Through the above steps, an automatic screw-driving device for handrail metal accessories is designed to replace the traditional manual processing method. The driving component drives the locking screw component to move left and right, and the sliding component drives the clamping component for fixing the metal accessories to move forward and backward. The screws placed on the screw supply table 2 are picked up and moved above the metal accessories to be driven into them, so as to improve the processing efficiency and solve the problem that the existing handrail metal accessories need to spend a lot of time and manpower for manual screw driving operations during the processing process.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An automatic screw-driving device for handrail metal fittings, comprising a support base (1); characterized in that: The invention also comprises a clamping assembly, a sliding assembly, a screw locking assembly, a driving assembly, a glue supply assembly and a screw supply table (2); the support base (1) is provided with clamping assemblies which are opposite to each other and are used to fix the metal base of the handrail, the support base (1) is provided with a sliding assembly which moves the clamping assembly, the support base (1) is provided with a screw locking assembly which is located above the clamping assembly, the support base (1) is provided with a driving assembly which moves the screw locking assembly to the left and right, the support base (1) is provided with a glue supply assembly, and the support base (1) is provided with a screw supply table (2), wherein neatly arranged screws are placed in the screw supply table (2).

2. The automatic screw driving device for handrail metal fittings according to claim 1, characterized in that: The clamping assembly comprises a support platform (301) and a clamp (302); the support platform (301) is arranged on the support base, and the clamp (302) having a surface provided with a hole groove matching the workpiece is installed on the support platform (301).

3. The automatic screw driving device for handrail metal fittings according to claim 2, characterized in that: The clamping assembly also includes a limit clamp (303); a column movably connected to the support platform, the column movably connected to the limit clamp (303), a circular workpiece slidably connected to the workpiece fixed in the clamp (302), and a limit groove matching the limit clamp (303) fixedly connected to the circular workpiece.

4. The automatic screw driving device for handrail metal fittings according to claim 3, characterized in that: The sliding assembly comprises a slide groove (401), a slider (402) and a No. 1 cylinder (403); the support platform (301) is provided with a slide groove (401), a slider (402) installed at the bottom end of the clamp (302) is slidably connected in the slide groove (401), and a piston rod is installed on the support platform (301) and connected to the No. 1 cylinder (403) on the slider.

5. The automatic screw driving device for handrail metal fittings according to claim 4, characterized in that: The screw locking assembly comprises a No. 1 fixing frame (501) and an electric screwdriver bit (502). The No. 1 fixing frame (501) is arranged above the support base (1), and the electric screwdriver bit (502) is inserted into the No. 1 fixing frame (501).

6. The automatic screw driving device for handrail metal fittings according to claim 5, characterized in that: The driving assembly comprises a moving platform (601), a threaded rod (602), a limiting column (603) and a No. 1 motor (604); the moving platform (601) is installed on the top of the No. 1 fixed frame (501); the threaded rod (602) is inserted into the support base (1); the limiting column (603) is fixedly connected inside the support base (1); a screw hole matching the threaded rod (602) is opened on the moving platform (601); the moving platform (601) is sleeved on the outside of the limiting column (603); and the driving assembly is installed on the support base (1) and connected to the No. 1 motor (604) on the threaded rod (602).

7. The automatic screw driving device for handrail metal fittings according to claim 6, characterized in that: The glue supply assembly comprises a column (701), a second fixing frame (702), a glue supply needle tube (703), a rotating shaft and an adjusting knob (704); a column (701) mounted on a support base (1) is arranged on one side of the screw supply platform (2); a second fixing frame (702) is arranged on one side of the column (701); the glue supply needle tube (703) is plugged into the second fixing frame (702); a rotating shaft movably plugged into the column (701) is fixedly connected to one side of the second fixing frame (702); and an adjusting knob (704) fixedly connected to the rotating shaft is arranged on the column (701).

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