A screw full-automatic press-in equipment
By combining the pressing mechanism and the adjusting mechanism, the problem of workpiece position deviation is solved, and stable clamping and precise pressing of uneven workpieces are achieved, thus improving the accuracy of screw pressing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUYAO HUIYU AUTOMATION TECHNOLOGY CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-16
AI Technical Summary
Existing fully automatic screw-in equipment is prone to a decrease in accuracy when screwing into workpieces due to workpiece position deviation, especially for workpieces with uneven surfaces where the clamping contact area is small, making it difficult to guarantee stability.
The device employs a pressing mechanism and an adjusting mechanism. The pressing mechanism uses an air pump to drive the pressure rod to press evenly onto the workpiece surface, while the adjusting mechanism uses a movable block and a positioning rod to adjust the position of the support frame, ensuring accurate positioning of the pressure rod.
It improves the stability of the workpiece, avoids deviation during screw pressing, enhances pressing accuracy, and adapts to the unevenness of different workpiece surfaces.
Smart Images

Figure CN224359682U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of screw installation, specifically to a fully automatic screw pressing device. Background Technology
[0002] Screws are tools used to fasten machine parts. Besides differences in basic dimensions such as head-to-flatness ratio and head thickness, the most significant difference in the screw thread is the standard size. Some workpieces are machined using fully automated press-in equipment to drive the screws in.
[0003] The publicly disclosed patent "CN210549397U" discloses a fully automatic screw clamping device, comprising a base, with support legs fixedly connected to both sides of the bottom of the base, a fixing block fixedly connected to the top of the base, a first bearing fixedly connected to the top of the fixing block, a threaded sleeve movably connected to the top of the first bearing, a first gear fixedly connected to the surface of the threaded sleeve, a first motor fixedly connected to the right side of the top of the fixing block, and a second gear fixedly connected to the top of the first motor shaft. This invention, by setting up the first bearing, threaded sleeve, first gear, first motor, second gear, first screw, and second bearing, enables the connecting block to move up and down. Through the second motor, second screw, and movable block, the screw can be clamped, making the fully automatic screw clamping device easy to use. The fully automatic screw clamping device has a high degree of automation, avoids manual screw installation, improves installation efficiency, and is beneficial to users.
[0004] However, the above-mentioned device still has the following problems during implementation:
[0005] Existing fully automatic screw-in equipment often experiences workpiece position shift when pressing screws into the workpiece, resulting in the screw being pressed into a different position than originally expected, thus affecting the accuracy of screw pressing. Existing technologies also use workpiece clamping to avoid workpiece position shift, but for some workpieces with uneven surfaces, the clamping contact area is small, making it difficult to ensure clamping stability, and workpiece position shift still occurs. Utility Model Content
[0006] The purpose of this invention is to provide a fully automatic screw pressing device to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] An automatic screw pressing device includes a base and a pressing machine. The pressing machine is fixedly installed on the top of the base. A support block is fixedly connected to the top of the base. Two boxes are provided on one side of the support block. A support frame is fixedly connected to one side of the box. A dovetail block is fixedly connected to the inner wall of the support frame. A dovetail groove for cooperating with the dovetail block is opened on one side of the support block. Several sleeves are fixedly connected to the bottom of the box. A pressing mechanism is provided inside the sleeve.
[0009] The pressing mechanism includes an air pump fixedly installed on the top of the housing. The air pump's outlet is fixedly connected to an air inlet pipe. One end of the air inlet pipe is fixedly connected to the top of the housing through a one-way pressure valve. A pushing block is provided inside the sleeve. A pressure rod is fixedly connected to the bottom of the pushing block. The bottom of the pressure rod extends through to the bottom of the sleeve. A spring is sleeved on the surface of the pressure rod. The bottom of the spring is fixedly connected to the inner wall of the sleeve.
[0010] An adjustment mechanism is fixedly mounted on the support block and is capable of adjusting the position of the housing.
[0011] Preferably, the adjustment mechanism includes a housing fixedly connected to the top of the support frame, a movable block is provided inside the housing, pressing blocks are fixedly connected to both sides of the movable block, one side of the pressing block extends to the outside of the housing, a positioning rod is fixedly connected to the bottom of the movable block, the bottom of the positioning rod extends to the bottom of the support frame, and a positioning hole is provided on the top of the support block for use with the positioning rod.
[0012] Preferably, a tension spring is fitted onto the surface of the positioning rod, the top of the tension spring is fixedly connected to the bottom of the movable block, and the bottom of the tension spring is fixedly connected to the inner wall of the housing.
[0013] Preferably, the number of positioning holes is several, and they are evenly distributed on the top of the support block.
[0014] Preferably, a pressure relief pipe is fixedly connected to one side of the housing, and a solenoid valve is fixedly installed on the surface of the pressure relief pipe.
[0015] Preferably, a piston plate is fixedly connected to the top of the push block, and the outer surface of the piston plate is in contact with the inner wall of the sleeve.
[0016] Preferably, a buffer pad is fixedly connected to the bottom of the pressure rod, and the buffer pad is made of rubber.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. This utility model, by setting a pressing mechanism, allows the workpiece to be placed on the top of the base from one side, and then the air pump is started to inflate it. The gas enters the air collection box through the air inlet pipe. Under the compression of the gas, each piston plate will drive the push block and the pressure rod to move downward until the pressure rod contacts the surface of the workpiece. Multiple pressure rods press evenly on the workpiece, which can effectively improve the stability of the workpiece and prevent the workpiece from shifting when the screw is pressed in.
[0019] 2. This utility model, by setting an adjustment mechanism, can push the pressing block upward, causing the movable block and positioning rod to move upward, so that the positioning rod leaves the inside of the positioning hole, releasing the restriction on the support frame. At this time, the position of the support frame can be adjusted along the trajectory of the dovetail block and the dovetail groove. The box body and pressure rod and other structures will also move synchronously with the support frame. When the pressure rod is above the workpiece, the pressing block is released, and the tension generated by the tension spring will drive the movable block and positioning rod downward, so that the positioning rod enters the corresponding positioning hole, fixing the support frame, thereby completing the adjustment of the pressure rod position. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0021] Figure 2 This is a rear-view perspective view of the present invention;
[0022] Figure 3 This is a schematic diagram showing a cross-section of the present invention;
[0023] Figure 4 This utility model Figure 3 A magnified view of a section at point A in the middle;
[0024] Figure 5 This is a perspective view of the housing of this utility model;
[0025] Figure 6 This is a perspective view of the sleeve of this utility model in cross-section.
[0026] In the diagram: 1. Base; 2. Pressing machine; 3. Support block; 4. Box body; 5. Support frame; 6. Dovetail block; 7. Dovetail slide; 8. Sleeve; 9. Air pump; 10. Air inlet pipe; 11. Push block; 12. Pressure rod; 13. Spring; 14. Housing; 15. Movable block; 16. Pressing block; 17. Positioning rod; 18. Positioning hole; 19. Tension spring; 20. Pressure relief pipe; 21. Solenoid valve; 22. Piston plate; 23. Buffer pad. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Please see Figure 1 - Figure 6 This utility model provides a technical solution:
[0029] Example 1:
[0030] An automatic screw pressing device includes a base 1 and a pressing machine 2. The pressing machine 2 is fixedly installed on the top of the base 1. A support block 3 is fixedly connected to the top of the base 1. Two boxes 4 are provided on one side of the support block 3. A support frame 5 is fixedly connected to one side of the box 4. A dovetail block 6 is fixedly connected to the inner wall of the support frame 5. A dovetail groove 7 that cooperates with the dovetail block 6 is opened on one side of the support block 3. Several sleeves 8 are fixedly connected to the bottom of the box 4. A pressing mechanism is provided inside the sleeve 8.
[0031] The pressing mechanism includes an air pump 9 fixedly installed on the top of the housing 4. The air pump 9 is fixedly connected to an air inlet pipe 10 at its outlet. One end of the air inlet pipe 10 is fixedly connected to the top of the housing 4 through a one-way pressure valve. A push block 11 is provided inside the sleeve 8. A pressure rod 12 is fixedly connected to the bottom of the push block 11. The bottom of the pressure rod 12 extends through to the bottom of the sleeve 8. A spring 13 is sleeved on the surface of the pressure rod 12. The bottom of the spring 13 is fixedly connected to the inner wall of the sleeve 8.
[0032] The adjustment mechanism is fixedly mounted on the support block 3 and can adjust the position of the box 4.
[0033] In this embodiment, considering that for some workpieces with uneven surfaces and small clamping contact areas, it is difficult to ensure clamping stability and workpiece position displacement may still occur, a pressing mechanism is set up. The workpiece is placed on the top of the base 1 from one side, and then the air pump 9 is started to inflate it. The gas enters the air collection box through the air inlet pipe 10. Under the compression of the gas, each piston plate 22 will drive the push block 11 and the pressure rod 12 to move downward until the pressure rod 12 contacts the workpiece surface. Multiple pressure rods 12 press evenly on the workpiece, which can effectively improve the stability of the workpiece and avoid the workpiece displacement when the screw is pressed in.
[0034] It should be noted that the one-way pressure valve is a valve that can only allow air to enter the housing 4.
[0035] A pressure relief pipe 20 is fixedly connected to one side of the housing 4, and a solenoid valve 21 is fixedly installed on the surface of the pressure relief pipe 20.
[0036] In this embodiment, by setting up a pressure relief pipe 20 and a solenoid valve 21, when it is necessary to remove the workpiece, the gas in the housing 4 can be released by activating the solenoid valve 21. At the same time, the elastic force generated by the spring 13 will drive the push block 11 and the pressure rod 12 to move upward, thereby releasing the restriction on the workpiece and making it easy to remove the workpiece.
[0037] A piston plate 22 is fixedly connected to the top of the push block 11, and the outer surface of the piston plate 22 is in contact with the inner wall of the sleeve 8.
[0038] In this embodiment, by setting a piston plate 22, a sealed cavity can be formed between the box 4 and the cylinder. When gas enters the box 4, it will push the piston plate 22 and the pressure rod 12 and other structures downward.
[0039] A buffer pad 23 is fixedly connected to the bottom of the pressure rod 12. The buffer pad 23 is made of rubber.
[0040] In this embodiment, by setting a buffer pad 23, a buffering effect can be achieved when the pressure rod 12 contacts the workpiece. At the same time, the buffer pad 23 will elastically contract when it contacts the workpiece, making it fit the workpiece better and thus improving the stability of clamping.
[0041] Example 2:
[0042] Based on Embodiment 1, the pressing mechanism in this embodiment can press multiple pressure rods 12 onto the workpiece to fix it. However, considering that the width of the workpiece is different, if the pressure rods 12 do not match the position of the workpiece, it will also affect the subsequent clamping effect. In this application, the adjustment mechanism includes a housing 14 fixedly connected to the top of the support frame 5. A movable block 15 is provided inside the housing 14. Pressing blocks 16 are fixedly connected to both sides of the movable block 15. One side of the pressing block 16 extends to the outside of the housing 14. A positioning rod 17 is fixedly connected to the bottom of the movable block 15. The bottom of the positioning rod 17 extends to the bottom of the support frame 5. A positioning hole 18 is opened on the top of the support block 3 to cooperate with the positioning rod 17.
[0043] In this embodiment, by setting an adjustment mechanism, the pressing block 16 can be pushed upward, causing the movable block 15 and the positioning rod 17 to move upward, so that the positioning rod 17 leaves the interior of the positioning hole 18, releasing the restriction on the support frame 5. At this time, the position of the support frame 5 can be adjusted along the trajectory of the dovetail block 6 and the dovetail groove 7. The box body 4 and the pressure rod 12 will also move synchronously with the support frame 5. When the pressure rod 12 is above the workpiece, the pressing block 16 is released, and the tension generated by the tension spring 19 will drive the movable block 15 and the positioning rod 17 to move downward, so that the positioning rod 17 enters the interior of the corresponding positioning hole 18, fixing the support frame 5, thereby completing the adjustment of the position of the pressure rod 12.
[0044] A tension spring 19 is fitted on the surface of the positioning rod 17. The top of the tension spring 19 is fixedly connected to the bottom of the movable block 15, and the bottom of the tension spring 19 is fixedly connected to the inner wall of the housing 14.
[0045] In this embodiment, by setting a tension spring 19, when the pressing block 16 is released, the tension force generated by the tension spring 19 drives the movable block 15 and the positioning rod 17 to move downward, thus achieving the function of resetting.
[0046] The number of positioning holes 18 is several, and they are evenly distributed on the top of the support block 3.
[0047] In this embodiment, by setting the positioning hole 18, the positioning rod 17 can be inserted into the corresponding positioning hole 18 after the support frame 5 and other structures are adjusted, thus completing the rapid positioning of the support frame 5 and other structures.
[0048] Working principle: Place the workpiece on the top of the base 1 from one side, then start the air pump 9 to inflate it, so that the gas enters the air collection box through the air inlet pipe 10. Under the compression of the gas, each piston plate 22 will drive the push block 11 and the pressure rod 12 to move downward until the pressure rod 12 contacts the surface of the workpiece. Multiple pressure rods 12 press evenly on the workpiece, which can effectively improve the stability of the workpiece and prevent the workpiece from shifting when the screw is pressed in.
[0049] Alternatively, by pushing the pressing block 16 upward, the movable block 15 and the positioning rod 17 can be moved upward, causing the positioning rod 17 to leave the interior of the positioning hole 18 and releasing the restriction on the support frame 5. At this time, the position of the support frame 5 can be adjusted along the trajectory of the dovetail block 6 and the dovetail groove 7. The box body 4 and the pressure rod 12 will also move synchronously with the support frame 5. When the pressure rod 12 is above the workpiece, the pressing block 16 is released, and the tension generated by the tension spring 19 will drive the movable block 15 and the positioning rod 17 downward, causing the positioning rod 17 to enter the interior of the corresponding positioning hole 18, fixing the support frame 5, and thus completing the adjustment of the position of the pressure rod 12.
[0050] It should be noted that the press 2, the air pump 9 and the solenoid valve 21 are existing devices or equipment in the prior art, or devices or equipment that can be implemented in the prior art. Furthermore, the specific composition and principle of the power supply of the press 2, the air pump 9 and the solenoid valve 21 are clear to those skilled in the art, and therefore will not be described in detail.
[0051] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fully automatic screw pressing device, comprising a base (1) and a pressing machine (2), wherein the pressing machine (2) is fixedly installed on the top of the base (1), characterized in that: The top of the base (1) is fixedly connected to a support block (3). Two boxes (4) are provided on one side of the support block (3). A support frame (5) is fixedly connected to one side of the box (4). A dovetail block (6) is fixedly connected to the inner wall of the support frame (5). A dovetail groove (7) is provided on one side of the support block (3) to cooperate with the dovetail block (6). Several sleeves (8) are fixedly connected to the bottom of the box (4). A pressing mechanism is provided inside the sleeve (8). The pressing mechanism includes an air pump (9) fixedly installed on the top of the housing (4). The air pump (9) is fixedly connected to an air inlet pipe (10) at its outlet. One end of the air inlet pipe (10) is fixedly connected to the top of the housing (4) through a one-way pressure valve. A push block (11) is provided inside the sleeve (8). A pressure rod (12) is fixedly connected to the bottom of the push block (11). The bottom of the pressure rod (12) extends through to the bottom of the sleeve (8). A spring (13) is sleeved on the surface of the pressure rod (12). The bottom of the spring (13) is fixedly connected to the inner wall of the sleeve (8). An adjustment mechanism is fixedly mounted on the support block (3) and can adjust the position of the box (4).
2. The fully automatic screw pressing device according to claim 1, characterized in that: The adjustment mechanism includes a housing (14) fixedly connected to the top of the support frame (5). A movable block (15) is provided inside the housing (14). Pressing blocks (16) are fixedly connected to both sides of the movable block (15). One side of the pressing block (16) extends to the outside of the housing (14). A positioning rod (17) is fixedly connected to the bottom of the movable block (15). The bottom of the positioning rod (17) extends to the bottom of the support frame (5). A positioning hole (18) is provided on the top of the support block (3) to cooperate with the positioning rod (17).
3. The fully automatic screw pressing device according to claim 2, characterized in that: The surface of the positioning rod (17) is fitted with a tension spring (19), the top of the tension spring (19) is fixedly connected to the bottom of the movable block (15), and the bottom of the tension spring (19) is fixedly connected to the inner wall of the housing (14).
4. The fully automatic screw pressing device according to claim 2, characterized in that: The number of positioning holes (18) is several, and they are evenly distributed on the top of the support block (3).
5. A fully automatic screw pressing device according to any one of claims 1-4, characterized in that: A pressure relief pipe (20) is fixedly connected to one side of the housing (4), and a solenoid valve (21) is fixedly installed on the surface of the pressure relief pipe (20).
6. The fully automatic screw pressing device according to claim 1, characterized in that: A piston plate (22) is fixedly connected to the top of the push block (11), and the outer surface of the piston plate (22) is in contact with the inner wall of the sleeve (8).
7. The fully automatic screw pressing device according to claim 1, characterized in that: The bottom of the pressure rod (12) is fixedly connected to a buffer pad (23), which is made of rubber.