Spacing-adjustable four-shaft screw locking machine
By combining lifting, guiding, and synchronization structures, the problem of poor position adjustment accuracy in four-axis screw fastening machines is solved, achieving high-precision, automated synchronous movement of the electric screwdriver base, simplifying the usage process and reducing costs.
Patent Information
- Application Number
- CN202520173997.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing four-axis screw fastening machines have poor accuracy in adjusting the position of the four axes, and custom mounting brackets are expensive and have long production cycles.
By employing a combination of lifting, guiding, synchronizing, and moving structures, the synchronous movement and position adjustment of the four electric screwdriver holders are achieved. Through the coordination of lifting cylinders, guide rods, synchronous belts, and moving cylinders, the electric screwdriver holders can be automatically and with high precision adjusted.
It enables the synchronous movement of four electric screwdriver holders, improving the level of automation and position adjustment accuracy, simplifying the usage process, and reducing costs.
Smart Images

Figure CN223947277U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to screw machine technical field especially is a four -axis lock screw machine of adjustable spacing. BACKGROUND
[0002] Automatic screw machine is through various electric pneumatic components and spare parts realizes screw automatic conveying, tightening, detection etc.
[0003] Four -axis screw machine is four screw shafts synchronous action, can complete four hole positions screw locking single time, for the product locking of four hole positions of present stage frame, especially regular product symmetry design four hole positions. SUMMARY
[0004] In view of the above prior art's insufficient, the technical problem that this patent application wants to solve is how to provide a four -axis lock screw machine of adjustable spacing that can realize simultaneous position adjustment, simple and stable structure, convenient to use.
[0005] In order to solve the above technical problem, the utility model has adopted the following technical scheme:
[0006] A four -axis lock screw machine of adjustable spacing, including the frame, the upper portion of frame is provided with mounting plate, the frame is installed with the lifting structure for driving mounting plate along vertical direction lifting, the mounting plate is fixedly connected with base through connecting block downward, the base has four support arms, four support arms all are installed with mounting seat through guide structure, the mounting seat is installed with electric screwdriver seat through moving structure, electric screwdriver seat is fixedly installed with electric screwdriver, the lower end of mounting seat is fixedly installed with screw supply head, screw supply head is opposite electric screwdriver setting, the lower end of base is installed with the synchronous structure for driving four electric screwdriver seat synchronous movement.
[0007] In this way, when locking screw of the product with four symmetrical hole positions, according to the position of screw locking, the position of mounting seat is adjusted through synchronous structure, and then the position of four electric screwdrivers is adjusted synchronously, the degree of automation is high, and the precision is high.
[0008] The lifting structure comprises two lifting cylinders fixedly installed on the rack, and the cylinder rods of the lifting cylinders are upwardly arranged and fixedly connected with the mounting plate.
[0009] The two sides of the lifting cylinder are provided with slide rods fixedly installed on the rack, and the mounting plate is provided with slide holes in sliding cooperation with the slide rods.
[0010] The guiding structure comprises a guide rod, the support arm is provided with a mounting groove, the guide rod is slidingly provided with a guide block, the guide rod is fixedly connected with the support arm in the mounting groove, the two sides of the guide block are slidingly connected with the mounting groove, and the guide block is fixedly connected with the mounting seat.
[0011] The synchronous structure comprises a synchronous belt, the outer end and the inner end of the support arm are provided with pulleys through shafts, the pulley at the lower end of the support arm is drivingly connected with the synchronous belt, one of the shafts penetrates through the support arm and is fixedly connected with the output shaft of the speed reducer, the speed reducer is fixedly installed on the support arm, the electric screwdriver seat is fixedly installed with a transmission block, and the transmission block is fixedly connected with the synchronous belt.
[0012] The moving structure comprises two moving cylinders fixedly installed on the mounting seat, the levers of the moving cylinders are fixedly connected with the electric screwdriver seat, the electric screwdriver seat is fixedly installed with a sliding block, the mounting seat is fixedly installed with a slide rail, and the sliding block is provided with a sliding groove in sliding cooperation with the slide rail.
[0013] In summary, the four-axis screw locking machine with adjustable distance has the advantages of simultaneous position adjustment, simple and stable structure and convenience in use. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the four-axis screw locking machine with adjustable distance.
[0015] Figure 2 It is a structure schematic view of the four-axis screw locking machine with adjustable distance. Figure 1 It is a schematic view without the rack.
[0016] Figure 3 It is a structure schematic view of the four-axis screw locking machine with adjustable distance. Figure 2 It is a schematic view of another orientation. CONCRETE IMPLEMENTATION
[0017] The utility model makes further detailed description below combining with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and so on indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply the device or element must have a particular orientation or with a particular orientation structure and operation, therefore can not be understood as the limitation to the protection scope of the utility model;The orientation words "in, out" refer to the inside and outside relative to the contour of each component.
[0018] As shown in Figures 1-3 A four-axis adjustable screw locking machine, comprising a rack 1, the upper portion of the rack is provided with a mounting plate 2, the rack is installed with a lifting structure for driving the mounting plate to lift along the vertical direction, the mounting plate is fixedly connected with a base through a connecting block downward, the base has four supporting arms 3, four supporting arms are all installed with mounting seats 4 through guide structures, the mounting seat is installed with an electric screwdriver seat 5 through a moving structure, the electric screwdriver seat is fixedly installed with an electric screwdriver 6, the lower end of the mounting seat is fixedly installed with a screw supply head 7, the screw supply head is opposite to the electric screwdriver, the lower end of the base is installed with a synchronous structure for driving four electric screwdriver seats to move synchronously.
[0019] In this way, when locking screws on the product with four symmetrical hole positions, the position of the mounting seat is adjusted through the synchronous structure according to the position of the screw to be locked, and then the positions of the four electric screwdrivers are adjusted synchronously, which is high in automation and high in precision. The product to be locked is placed on the rack, the lifting structure drives the mounting plate to move downward, so that the screw supply head is close to the product, then the moving structure drives the electric screwdriver seat to move downward, and the screw in the screw supply head is locked on the product through the electric screwdriver.
[0020] The four-axis screw locking machine can lock screws on four square arranged hole positions, and can adjust the electric screwdrivers synchronously according to different sizes, which is convenient to use.
[0021] Specifically, the rack is installed with a positioning assembly for positioning the product, which is set according to the actual product, and is prior art.
[0022] When implemented, the lifting structure includes two lifting cylinders 8 fixedly installed on the rack, the cylinder rods of the lifting cylinders are arranged upward and fixedly connected with the mounting plate. The lifting cylinder drives the mounting plate to move.
[0023] When implemented, the lifting cylinder is provided with a slide rod 9 on both sides, the slide rod is fixedly installed on the rack, and a slide hole is formed in the mounting plate and slidably connected with the slide rod. The movement of the mounting plate is guided.
[0024] In implementation, the guiding structure comprises a guide rod 10, the support arm is provided with a mounting groove, a guide block 11 is slidingly connected to the guide rod, the guide rod is fixedly connected to the support arm in the mounting groove, the guide block is slidingly connected to the mounting groove at two sides, and the guide block is fixedly connected to the mounting base. The movement of the mounting base is guided.
[0025] In implementation, the synchronous structure comprises a synchronous belt 12, the outer end and the inner end of the support arm are provided with pulleys 13 through shafts, the pulley at the lower end of the support arm is drivingly connected through the synchronous belt, one of the shafts is fixedly connected to the output shaft of a speed reducer motor 14, the speed reducer motor is fixedly installed on the support arm, a transmission block 15 is fixedly installed on the electric screwdriver base, and the transmission block is fixedly connected to the synchronous belt. The speed reducer motor drives one of the shafts to rotate, the synchronous belt is arranged to drive all the pulleys to synchronously rotate, the transmission block drives the mounting base to move under the guidance of the guiding structure, and synchronous adjustment of positions is realized. The pulleys at the lower ends of the four support arms are driven to rotate through the same synchronous belt, synchronous rotation is realized, the four transmission blocks are driven to synchronously move through the synchronous belt, and synchronous movement of the four electric screwdriver bases is realized.
[0026] In implementation, the moving structure comprises two moving cylinders 16 fixedly installed on the mounting base, the levers of the moving cylinders are fixedly connected to the electric screwdriver base, the electric screwdriver base is fixedly installed with a sliding block 17, the mounting base is fixedly installed with a sliding rail 18, and the sliding block is provided with a sliding groove slidingly connected to the sliding rail. The electric screwdriver base is driven to move by the moving cylinders, the electric screwdriver is further driven to move, and the electric screwdriver performs screw locking operation.
[0027] Finally, it should be noted that those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model are within the scope of the claims of the utility model and the statistical number, the utility model also intends to include these modifications and variations.
Claims
1. A pitch-adjustable four-axis screw locking machine comprising a rack (1), characterized in that, The upper part of the frame is provided with a mounting plate (2), the frame is provided with a lifting structure for driving the mounting plate to lift along the vertical direction, the mounting plate is fixedly connected with a base through a connecting block downward, the base has four supporting arms (3), the four supporting arms are all provided with a mounting seat (4) through a guide structure, the mounting seat is provided with an electric screw seat (5) through a moving structure, the electric screw seat is fixedly provided with an electric screw (6), the lower end of the mounting seat is fixedly provided with a screw supply head (7), the screw supply head is opposite to the electric screw, the lower end of the base is provided with a synchronous structure for driving the four electric screw seats to move synchronously.
2. The pitch adjustable four-axis screw locking machine according to claim 1, wherein, The lifting structure comprises two lifting cylinders (8) fixedly installed on the frame, the cylinder rods of the lifting cylinders are upwardly arranged and fixedly connected with the mounting plate.
3. The pitch adjustable four-axis screw locking machine according to claim 2, wherein, Both sides of the lifting cylinder are provided with a slide rod (9) fixedly installed on the frame, and the mounting plate is provided with a slide hole in sliding fit with the slide rod.
4. The pitch adjustable four-axis screw locking machine according to claim 3, wherein, The guide structure comprises a guide rod (10), the supporting arm is provided with an installation groove, the guide rod is provided with a guide block (11) in sliding fit, the guide rod is fixedly connected with the supporting arm in the installation groove, the guide block is in sliding fit with the installation groove at both sides, and the guide block is fixedly connected with the mounting seat.
5. The pitch adjustable four-axis screw locking machine according to claim 4, wherein, The synchronous structure comprises a synchronous belt (12), the outer end and the inner end of the supporting arm are both provided with a belt wheel (13) through an axle, the belt wheel at the lower end of the supporting arm is drivingly connected through the synchronous belt, one of the axles penetrates through the supporting arm and is fixedly connected with an output shaft of a speed reducer (14), the speed reducer is fixedly installed on the supporting arm, the electric screw seat is fixedly provided with a transmission block (15), and the transmission block is fixedly connected with the synchronous belt.
6. The pitch adjustable four-axis screw locking machine according to claim 5, wherein, The moving structure comprises two moving cylinders (16) fixedly installed on the mounting seat, the levers of the moving cylinders are fixedly connected with the electric screw seat, the electric screw seat is fixedly provided with a sliding block (17), the mounting seat is fixedly provided with a slide rail (18), and the sliding block is provided with a sliding groove in sliding fit with the slide rail.