Automatic screwing device
By introducing an electric push rod and a clamping mechanism into the automatic screwing device, the problem of the narrow applicability of the existing device to bottle caps of specific sizes is solved, and the device can effectively clamp and screw on bottle caps of different sizes, thus expanding its applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-10
AI Technical Summary
Existing automatic screw-on devices can only screw on bottle caps of specific sizes, which limits their applicability.
An automatic screw-on device was designed, which includes an electric push rod, a servo motor and a clamping mechanism. The clamping mechanism is used to fix bottle caps of different sizes. The clamping mechanism consists of a circular plate, a slide groove, a clamping plate, a connecting rod and an elastic element, and can adapt to bottle caps of different sizes.
This improves the device's applicability to bottle caps of different sizes and enhances the flexibility and applicability of screw-on installation.
Smart Images

Figure CN224102278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic equipment technical field, concretely is a kind of automatic screwing device. BACKGROUND
[0002] Automatic screwing device is a kind of equipment or tool that adopts automation to fix parts or components together by screwing, and the functions of screwing device are more, for example, used for screwing screw, nut, bolt and bottle cap etc.
[0003] For example, Chinese patent (publication number: CN221544118U) discloses an automatic bottle cap screwing device, the device is lowered by electric telescopic rod driving servo motor, so that conical cover extrusion cover is pressed on bottle cap top, then conical cover is rotated by servo motor driving, and bottle cap is screwed tightly by using the friction force of inner liner pad. The device eliminates the action of clamping top cover, and reduces the components for executing clamping action, so that the bottle cap screwing device has higher working efficiency, and is more simple and convenient to maintain in later period.
[0004] But the device is fixed in size by conical cover and inner liner pad in conical cover when using, which makes the device only be able to screw the bottle cap of specific size, and it is difficult to be applied to bottle cap of different sizes, so the scope of application is narrow, and improvement is needed. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of prior art, the utility model provides an automatic screwing device, which solves the problems mentioned in the background art.
[0006] To achieve the above purpose, the utility model realizes by the following technical scheme:
[0007] An automatic screwing device, comprising a bottom plate, an L-shaped plate is fixedly installed on the upper plate surface of the bottom plate, and a lifting mechanism is arranged on the top of the L-shaped plate.
[0008] The most important distinguishing design of the utility model is that the lifting mechanism is an electric push rod, the telescopic end of the electric push rod penetrates through the top of the L-shaped plate, the telescopic end of the electric push rod is fixedly installed with a mounting plate, the lower plate surface of the mounting plate is provided with a servo motor, the output shaft of the servo motor is rotatably installed with a mounting cylinder, the output shaft of the servo motor penetrates through the top of the mounting cylinder and extends into the inside of the mounting cylinder, and the inside of the mounting cylinder is provided with a clamping mechanism.
[0009] In order to realize the clamping of the bottle cap, the clamping mechanism includes a circular plate rotatably installed in the mounting cylinder, the output shaft of the servo motor is provided with a driving plate through a connecting piece, four slide grooves are arranged in a circular array on the circular plate, four clamping plates are slidably installed in the four slide grooves, four mounting grooves are arranged in a circular array on the outer side of the driving plate, four connecting rods are rotatably installed on the top of the four clamping plates, and the other ends of the four connecting rods are rotatably installed in the four mounting grooves.
[0010] In order to realize the clamping of the bottle cap, the clamping mechanism includes a circular plate rotatably installed in the mounting cylinder, the output shaft of the servo motor is provided with a driving plate through a connecting piece, four slide grooves are arranged in a circular array on the circular plate, four clamping plates are slidably installed in the four slide grooves, four mounting grooves are arranged in a circular array on the outer side of the driving plate, four connecting rods are rotatably installed on the top of the four clamping plates, and the other ends of the four connecting rods are rotatably installed in the four mounting grooves.
[0011] In order to realize the clamping of the bottle cap, the clamping mechanism includes a circular plate rotatably installed in the mounting cylinder, the output shaft of the servo motor is provided with a driving plate through a connecting piece, four slide grooves are arranged in a circular array on the circular plate, four clamping plates are slidably installed in the four slide grooves, four mounting grooves are arranged in a circular array on the outer side of the driving plate, four connecting rods are rotatably installed on the top of the four clamping plates, and the other ends of the four connecting rods are rotatably installed in the four mounting grooves.
[0012] In order to realize the clamping of the bottle cap, the clamping mechanism includes a circular plate rotatably installed in the mounting cylinder, the output shaft of the servo motor is provided with a driving plate through a connecting piece, four slide grooves are arranged in a circular array on the circular plate, four clamping plates are slidably installed in the four slide grooves, four mounting grooves are arranged in a circular array on the outer side of the driving plate, four connecting rods are rotatably installed on the top of the four clamping plates, and the other ends of the four connecting rods are rotatably installed in the four mounting grooves.
[0013] In order to realize the clamping of the bottle cap, the clamping mechanism includes a circular plate rotatably installed in the mounting cylinder, the output shaft of the servo motor is provided with a driving plate through a connecting piece, four slide grooves are arranged in a circular array on the circular plate, four clamping plates are slidably installed in the four slide grooves, four mounting grooves are arranged in a circular array on the outer side of the driving plate, four connecting rods are rotatably installed on the top of the four clamping plates, and the other ends of the four connecting rods are rotatably installed in the four mounting grooves.
[0014] The utility model discloses have the following beneficial effects compared with prior art: through setting clamping mechanism in the mounting cylinder, make the device can different size bottle cap clamping fixed, effectively improved the device's application range, solved the application range narrow problem mentioned in background art. ACCURATE DRAWINGS
[0015] Figure 1 It is the front view of the utility model;
[0016] Figure 2 It is the perspective drawing of the utility model;
[0017] Figure 3 It is the perspective drawing of the utility model Figure 2 middle part structure;
[0018] Figure 4The utility model discloses Figure 3 a plane section view of the front view,
[0019] Figure 5 The utility model discloses Figure 4 a three-dimensional structure of the internal structure of the mounting cylinder in the utility model, Figure 1
[0020] Figure 6 The utility model discloses Figure 4 a three-dimensional structure of the internal structure of the mounting cylinder in the utility model, Figure 2
[0021] Fig. 1, bottom plate 2, L-shaped plate 3, electric push rod 4, mounting plate 5, servo motor 6, mounting cylinder 7, circular plate 8, drive plate 9, sliding slot 10, clamping plate 11, mounting groove 12, connecting rod 13, sliding rod 14, pressing plate 15, spring 16, hollow cylinder 17, long slot 18, sliding block 19, balance bar 20, antiskid pad. DETAILED DESCRIPTION
[0022] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments.
[0023] As Figure 1 shown, the utility model provides a kind of automatic screwing device, including bottom plate 1, and the upper plate surface of bottom plate 1 is fixedly installed with L-shaped plate 2, and the top of L-shaped plate 2 is provided with lifting mechanism.
[0024] As Figures 2-6 shown, the most important difference design of the utility model is: lifting mechanism is a electric push rod 3, and the telescopic end of electric push rod 3 penetrates the top of L-shaped plate 2, and the telescopic end of electric push rod 3 is fixedly installed with mounting plate 4, and the lower plate surface of mounting plate 4 is provided with servo motor 5, and the output shaft of servo motor 5 is rotatably installed with mounting cylinder 6, and the output shaft of servo motor 5 penetrates the top of mounting cylinder 6, and extends to the inside of mounting cylinder 6, and the inside of mounting cylinder 6 is provided with clamping mechanism.
[0025] As Figures 4-5 shown, to realize the clamping fixation of bottle cap, clamping mechanism includes circular plate 7 rotatably installed in the inside of mounting cylinder 6, and the output shaft of servo motor 5 is installed with drive plate 8 by connecting piece, and four sliding slots 9 are distributed and opened in circular array on circular plate 7, and four sliding slots 9 are slidably installed with clamping plate 10, and four installation grooves 11 are distributed and opened in circular array on the outside of drive plate 8, and the top of four clamping plates 10 is rotatably installed with connecting rod 12, and the other end of four connecting rods 12 is rotatably installed in four installation grooves 11 respectively.
[0026] As Figure 4 As shown, in order to limit the position of the clamping plate 10, the tops of the four clamping plates 10 are all I-shaped and are locked onto the upper and lower surfaces of the circular plate 7 to prevent the clamping plate 10 from sliding out of the slide groove 9 when the drive plate 8 is raised or lowered.
[0027] like Figures 5-6 As shown, in order to clamp and fix bottle caps of different sizes, a vertical sliding rod 13 is fixedly installed on the lower plate surface of the drive plate 8, and the bottom end of the sliding rod 13 passes through the circular plate 7. A pressure plate 14 is fixedly installed at one end of the sliding rod 13 that passes through the circular plate 7. An elastic element is provided between the upper plate surface of the pressure plate 14 and the lower plate surface of the circular plate 7. The elastic element is a spring 15, and the spring 15 is sleeved on the sliding rod 13. The two ends of the spring 15 are fixedly connected to the upper plate surface of the pressure plate 14 and the lower plate surface of the circular plate 7, respectively. The connecting parts include a hollow cylinder 16 fixedly installed on the upper plate surface of the drive plate 8. Two long slots 17 are distributed in a circular array on the outer surface of the hollow cylinder 16. Two sliders 18 are fixedly installed in a circular array on the outer surface of the output shaft of the servo motor 5, and the two sliders 18 can slide in the two long slots 17 respectively.
[0028] like Figures 1-2 As shown, in order to achieve the stability of the mounting cylinder 6 during lifting, a balancing component is provided at the bottom of the L-shaped plate 2. The balancing component includes four balance rods 19 that are fixedly installed at the bottom of the L-shaped plate 2 in a circular array, and all four balance rods 19 penetrate the mounting plate 4.
[0029] like Figure 6 As shown, in order to improve the clamping effect on the bottle cap, an arc-shaped anti-slip pad 20 is fixedly installed on one side of each of the four clamping plates 10.
[0030] The specific working principle is as follows: in use, first, the bottom plate 1 is fixed in a suitable position, then the bottle cap is placed on the bottle body, and the bottle cap is placed together with the bottle body directly below the mounting cylinder 6, then the electric push rod 3 can be started, the telescopic end of the electric push rod 3 pushes the mounting plate 4 to move downwards along the four balance rods 19, and simultaneously pushes the servo motor 5, the mounting cylinder 6 and the clamping mechanism arranged in the mounting cylinder 6 to move downwards synchronously, when the pressing plate 14 fixed at the bottom end of the sliding rod 13 contacts the top of the bottle cap, the bottle cap is located between the four clamping plates 10 at this time, the electric push rod 3 is used again to push the sliding rod 13 and the pressing plate 14 to move downwards, at this time, the top of the bottle cap pushes the pressing plate 14, the sliding rod 13 and the driving plate 8 to move upwards and press the spring 15, and when the driving plate 8 moves upwards, the four connecting rods 12 are driven to rotate in the mounting groove 11 and gradually tend to be vertical, and when the connecting rod 12 rotates, the four clamping plates 10 are driven to slide in the four sliding grooves 9 respectively and approach each other, so that the bottle cap is clamped and fixed between the four clamping plates 10, and at the same time, when the driving plate 8 rises, the hollow cylinder 16 is also pushed to move upwards, so that the sliding block 18 fixed on the output shaft of the servo motor 5 is driven to slide in the long groove 17, so that the driving plate 8 is not limited by the servo motor 5 and does not rise, finally, the servo motor 5 is started, the output shaft of the servo motor 5 drives the sliding block 18 to rotate, and under the limiting of the long groove 17, the hollow cylinder 16, the driving plate 8, the connecting rod 12, the circular plate 7 and the four clamping plates 10 are driven to rotate synchronously, so as to drive the bottle cap to rotate, and then the bottle cap is screwed on the bottle body, after use, the spring 15 is used to drive the sliding rod 13 to move downwards, so that the four clamping plates 10 can return to the initial state.
[0031] Compared with the prior art, the utility model has the following beneficial effects: through setting clamping mechanism in mounting cylinder 6, the device can clamp and fix different size bottle cap, effectively improve the application range of the device, solve the problem of narrow application range mentioned in background art.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An automatic screwing device, comprising a base plate (1), an L-shaped plate (2) is fixedly installed on the upper plate surface of the base plate (1), and a lifting mechanism is arranged on the top of the L-shaped plate (2), characterized in that: The lifting mechanism is an electric push rod (3), the telescopic end of the electric push rod (3) penetrates the top of the L-shaped plate (2), the telescopic end of the electric push rod (3) is fixedly installed with a mounting plate (4), the lower plate surface of the mounting plate (4) is provided with a servo motor (5), the output shaft of the servo motor (5) is rotatably installed with a mounting cylinder (6), and the output shaft of the servo motor (5) penetrates the top of the mounting cylinder (6) and extends into the mounting cylinder (6), and the inside of the mounting cylinder (6) is provided with a clamping mechanism.
2. An automatic screwing device according to claim 1, characterized in that: The clamping mechanism comprises a circular plate (7) rotatably installed in the inside of the mounting cylinder (6), the output shaft of the servo motor (5) is installed with a driving plate (8) through a connecting piece, four slide grooves (9) are formed in a circular array on the circular plate (7), four clamping plates (10) are slidably installed in the four slide grooves (9), four mounting grooves (11) are formed in a circular array on the outer side of the driving plate (8), the top of each of the four clamping plates (10) is rotatably installed with a connecting rod (12), and the other end of each of the four connecting rods (12) is rotatably installed in the four mounting grooves (11).
3. An automatic screwing device according to claim 2, characterized in that: The top of each of the four clamping plates (10) is in an I-shaped type and is clamped to the upper plate surface and the lower plate surface of the circular plate (7), a vertical sliding rod (13) is fixedly installed on the lower plate surface of the driving plate (8), and the bottom end of the sliding rod (13) penetrates the circular plate (7), a pressing plate (14) is fixedly installed on the end of the sliding rod (13) penetrating the circular plate (7), and an elastic element is arranged between the upper plate surface of the pressing plate (14) and the lower plate surface of the circular plate (7).
4. An automatic screwing device according to claim 3, characterized in that: The elastic element is a spring (15) sleeved on the sliding rod (13), and the two ends of the spring (15) are fixedly connected with the upper plate surface of the pressing plate (14) and the lower plate surface of the circular plate (7) respectively, the connecting piece comprises a hollow cylinder (16) fixedly installed on the upper plate surface of the driving plate (8), two long grooves (17) are formed in a circular array on the outer surface of the hollow cylinder (16), two sliding blocks (18) are fixedly installed in a circular array on the outer surface of the output shaft of the servo motor (5), and the two sliding blocks (18) can slide in the two long grooves (17) respectively, and the bottom of the L-shaped plate (2) is provided with a balancing element.
5. An automatic screwing device according to claim 4, characterized in that: The balancing element comprises four balancing rods (19) fixedly installed in a circular array on the bottom of the L-shaped plate (2), and the four balancing rods (19) all penetrate the mounting plate (4).
6. An automatic screwing device according to claim 5, characterized in that: One side of each of the four clamping plates (10) is fixedly installed with an arc-shaped anti-skid pad (20).
Citation Information
Patent Citations
Automatic bottle cap screwing device
CN221544118U