Magnetic type screw locking device of electric screwdriver

Abstract

The utility model discloses an electric screwdriver magnetic type screw locking device, and relates to the technical field of screw locking machines, the electric screwdriver magnetic type screw locking device comprises a mounting plate, a cleaning assembly is arranged in the mounting plate, the cleaning assembly comprises a first hidden groove, the first hidden groove is formed in the mounting plate, the top of the inner wall of the first hidden groove is fixedly connected with an electric push rod, and the electric push rod is fixedly connected with a screw rod. And the bottom of the electric push rod is fixedly connected with a push rod. According to the magnetic type wire locking device for the electric screwdriver, by installing the cleaning assembly, after the electric screwdriver completes a certain number of times of wire locking operation, an electric push rod is started to extend, a flexible scraper is pushed to move downwards, scrap iron and dust adsorbed to the surface of a permanent magnet are scraped off, and it is avoided that impurities are continuously accumulated to affect the magnetic attraction performance of the permanent magnet; and meanwhile, the screw is made of a special wear-resistant rubber material, so that the surface of the permanent magnet can be effectively prevented from being damaged while impurities on the surface of the permanent magnet are efficiently removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw locking machine technical field, concretely is a kind of electric screwdriver magnetic type screw locking device. BACKGROUND

[0002] Electric screwdriver magnetic type screw locking is a fastening technology widely used in industrial production and electronic equipment assembly and other fields, and its core is to realize the precise adsorption and efficient tightening of screw by using magnetic force, which can accurately and efficiently complete screw fastening work in the assembly process of electronic products such as mobile phones, computers and tablet computers, and avoid damaging fragile electronic components.

[0003] During use, since the permanent magnet continuously adsorbs the screw, iron filings on the surface of the screw and dust in the surrounding environment will be adsorbed on the surface of the permanent magnet. With the increasing number of uses, these impurities continue to accumulate, which will affect the magnetic attraction performance of the permanent magnet, causing the screw to fall or deviate during transmission or tightening.

[0004] Therefore, the skilled person in the art provides an electric screwdriver magnetic type screw locking device to solve the problems raised in the above background. SUMMARY

[0005] The utility model aims at providing an electric screwdriver magnetic type screw locking device to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An electric screwdriver magnetic type screw locking device includes a mounting plate, the inside of the mounting plate is provided with a cleaning assembly, the cleaning assembly includes a first hidden groove, the first hidden groove is opened in the inside of the mounting plate, the top of the inner wall of the first hidden groove is fixedly connected with an electric push rod, the bottom of the electric push rod is fixedly connected with a push rod, the bottom of the push rod is fixedly connected with a push plate, one side of the push plate is fixedly connected with a mounting ring, the inside of the mounting ring is fixedly connected with a flexible scraper, the inside of the mounting plate is provided with a second hidden groove, the top of the inner wall of the second hidden groove is fixedly connected with a telescopic rod, and the telescopic rod is fixedly connected with the push plate.

[0008] As a further scheme of the utility model, one side of the inner wall of the mounting plate is fixedly connected with a guide rail, the side surface of the guide rail is slidingly connected with a guide block, one side of the guide block is fixedly connected with a bearing plate, the other side of the mounting plate is fixedly connected with a connecting plate, the inside of the connecting plate is provided with a sliding groove, the inside of the sliding groove is slidingly connected with a sliding block, one side of the sliding block is fixedly connected with a special-shaped connecting rod, and the special-shaped connecting rod is fixedly connected with the bearing plate.

[0009] As a further scheme of the utility model: the top of mounting plate is fixedly connected with driving element, the output end of driving element is fixedly connected with driving shaft, the bottom of driving shaft is fixedly connected with driving plate, the bottom of driving plate is fixedly connected with buffer rod, the side surface of buffer rod is sleeved with buffer spring, and the buffer rod is fixedly connected with bearing plate.

[0010] As a further scheme of the utility model: the top of bearing plate is fixedly connected with electric wrench, the transmission end of electric wrench is connected with wrench rod, the bottom of wrench rod is connected with suction nozzle, the side surface of suction nozzle is sleeved with permanent magnet, and one side of connecting plate is provided with supporting seat.

[0011] As a further scheme of the utility model: the shape of mounting plate is U-shaped, the inner wall of first hidden groove and second hidden groove is provided with sealing rubber ring, and the flexible scraper is made of wear-resistant rubber material.

[0012] As a further scheme of the utility model: the inside of suction nozzle is provided with screw thread structure and is threadedly connected with the bottom of wrench rod, and the bottom shape of suction nozzle is adapted to the head of screw.

[0013] As a further scheme of the utility model: the top surface of driving plate is provided with wear-resistant layer, the wear-resistant layer is made of ceramic material, and the buffer rod and buffer spring are symmetrically distributed.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. through installing cleaning assembly, when electric wrench completes a certain number of thread locking operations, electric push rod starts to elongate, pushes flexible scraper to move downwards, scrapes off iron filings and dust on the surface of permanent magnet, avoids that impurities continuously accumulate to influence the magnetic attraction performance of permanent magnet, prevents the situation that screws fall or deviate in transmission or tightening process, simultaneously adopts special wear-resistant rubber material to make, can effectively avoid damage to the surface of permanent magnet while efficiently removing impurities on the surface of permanent magnet.

[0016] 2. double orientation ensures that the bearing plate is positioned with high accuracy in the downward process, reduces error, improves the accuracy of thread locking operation, effectively avoids that the bearing plate inclines or deviates in the moving process, enhances the stability and reliability of the whole device, and ensures that the thread locking process is carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of a magnetic type thread locking device of electric wrench.

[0018] Figure 2It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench.

[0019] Figure 3 It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench. Figure 2 It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench.

[0020] Figure 4 It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench.

[0021] Figure 5 It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench. Figure 4 It is a partial enlarged structural schematic view of a magnetic locking wire device of an electric wrench.

[0022] In the figure: 1, mounting plate; 2, cleaning assembly; 201, first hidden groove; 202, electric push rod; 203, push rod; 204, push plate; 205, mounting ring; 206, flexible scraper; 207, second hidden groove; 208, telescopic rod; 3, guide rail; 4, guide block; 5, bearing plate; 6, connecting plate; 7, sliding groove; 8, sliding block; 9, special-shaped connecting rod; 10, driving element; 11, driving shaft; 12, driving plate; 13, buffer rod; 14, buffer spring; 15, electric wrench; 16, wrench rod; 17, suction nozzle; 18, permanent magnet; 19, support seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment 1

[0025] Reference Figure 1 - Figure 5The embodiment provides a magnetic type lock wire device of an electric wrench, which comprises a mounting plate 1, the inside of the mounting plate 1 is provided with a cleaning assembly 2, the cleaning assembly 2 comprises a first hidden groove 201, the first hidden groove 201 is arranged in the inside of the mounting plate 1, the top of the inner wall of the first hidden groove 201 is fixedly connected with an electric push rod 202, the bottom of the electric push rod 202 is fixedly connected with a push rod 203, the bottom of the push rod 203 is fixedly connected with a push plate 204, one side of the push plate 204 is fixedly connected with a mounting ring 205, the inside of the mounting ring 205 is fixedly connected with a flexible scraper 206, the inside of the mounting plate 1 is provided with a second hidden groove 207, the top of the inner wall of the second hidden groove 207 is fixedly connected with a telescopic rod 208, the telescopic rod 208 is fixedly connected with the push plate 204, when the electric wrench 15 completes a certain number of lock wire operations, the electric push rod 202 is started, the electric push rod 202 starts to elongate, the push rod 203, the push plate 204, the mounting ring 205 and the flexible scraper 206 are moved downwards, in the extension process, the telescopic rod 208 is synchronously elongated, auxiliary support is provided for the push plate 204, the stability of the moving process of the push plate 204 is guaranteed, when the flexible scraper 206 is in close contact with the surface of the permanent magnet 18, the iron filings and dust adsorbed on the surface of the permanent magnet 18 are started to be scraped off, since the flexible scraper 206 is made of special wear-resistant rubber material, impurities can be efficiently removed, and the surface of the permanent magnet 18 can be effectively prevented from being damaged.

[0026] Embodiment 2

[0027] With reference to Figure 1 - Figure 4The embodiment is based on the previous embodiment, and differs from the previous embodiment in that one side of the inner wall of the mounting plate 1 is fixedly connected with a guide rail 3, the side surface of the guide rail 3 is slidably connected with a guide block 4, one side of the guide block 4 is fixedly connected with a bearing plate 5, the other side of the mounting plate 1 is fixedly connected with a connecting plate 6, the inside of the connecting plate 6 is provided with a sliding groove 7, the inside of the sliding groove 7 is slidably connected with a sliding block 8, one side of the sliding block 8 is fixedly connected with a special-shaped connecting rod 9, the special-shaped connecting rod 9 is fixedly connected with the bearing plate 5, the top of the mounting plate 1 is fixedly connected with a driving element 10, the output end of the driving element 10 is fixedly connected with a driving shaft 11, the bottom of the driving shaft 11 is fixedly connected with a driving plate 12, the bottom of the driving plate 12 is fixedly connected with a buffer rod 13, the side surface of the buffer rod 13 is sleeved with a buffer spring 14, the buffer rod 13 is fixedly connected with the bearing plate 5, the top of the bearing plate 5 is fixedly connected with an electric wrench 15, the transmission end of the electric wrench 15 is connected with a wrench rod 16, the bottom of the wrench rod 16 is connected with a suction nozzle 17, the side surface of the suction nozzle 17 is sleeved with a permanent magnet 18, one side of the connecting plate 6 is provided with a support seat 19, the mounting plate 1 is in a U shape, the inner walls of the first hidden groove 201 and the second hidden groove 207 are both provided with sealing rubber rings, the flexible scraper 206 is made of wear-resistant rubber material, the inside of the suction nozzle 17 is provided with a threaded structure and is threadedly connected with the bottom of the wrench rod 16, the bottom of the suction nozzle 17 is in a shape matching that of a screw head, the inside of the suction nozzle 17 is provided with a threaded structure and is threadedly connected with the bottom of the wrench rod 16, the bottom of the suction nozzle 17 is in a shape matching that of a screw head, the driving element 10 is started, and the output power of the driving element 10 drives the driving shaft 11 to move downward. The driving shaft 11 drives the driving plate 12 to move downward, the driving plate 12 transmits the downward force to the bearing plate 5 through the buffer rod 13 and the buffer spring 14, so that the bearing plate 5 moves downward, when the bearing plate 5 moves downward, the guide block 4 stably slides along the guide rail 3, and simultaneously drives the sliding block 8 to accurately displace along the sliding groove 7 through the special-shaped connecting rod 9, so as to provide a double-direction guiding action for the downward movement of the bearing plate 5, the electric wrench 15 on the bearing plate 5 moves downward, the transmission end of the electric wrench 15 drives the wrench rod 16 to rotate at a high speed, and the suction nozzle 17 connected with the bottom of the wrench rod 16 can firmly adsorb a screw due to the strong magnetic force generated by the permanent magnet 18 sleeved with the side surface of the suction nozzle 17, the electric wrench 15 drives the wrench rod 16, the suction nozzle 17 and the screw to move downward and continuously rotate, so as to perform a screw locking operation.

[0028] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0029] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A magnetic locking device for an electric screwdriver, comprising a mounting plate (1), characterized in that, The inside of the mounting plate (1) is provided with a cleaning assembly (2), the cleaning assembly (2) comprises a first hidden groove (201), the first hidden groove (201) is opened in the inside of the mounting plate (1), the top of the inner wall of the first hidden groove (201) is fixedly connected with an electric push rod (202), the bottom of the electric push rod (202) is fixedly connected with a push rod (203), the bottom of the push rod (203) is fixedly connected with a push plate (204), one side of the push plate (204) is fixedly connected with a mounting ring (205), the inside of the mounting ring (205) is fixedly connected with a flexible scraper (206), the inside of the mounting plate (1) is provided with a second hidden groove (207), the top of the inner wall of the second hidden groove (207) is fixedly connected with a telescopic rod (208), the telescopic rod (208) is fixedly connected with the push plate (204).

2. The magnetic locking bit wire device of claim 1, wherein, One side of the inner wall of the mounting plate (1) is fixedly connected with a guide rail (3), the side surface of the guide rail (3) is slidably connected with a guide block (4), one side of the guide block (4) is fixedly connected with a bearing plate (5), the other side of the mounting plate (1) is fixedly connected with a connecting plate (6), the inside of the connecting plate (6) is provided with a sliding groove (7), the inside of the sliding groove (7) is slidably connected with a sliding block (8), one side of the sliding block (8) is fixedly connected with a special-shaped connecting rod (9), the special-shaped connecting rod (9) is fixedly connected with the bearing plate (5).

3. The magnetic locking bit wire device of claim 1, wherein, The top of the mounting plate (1) is fixedly connected with a driving element (10), the output end of the driving element (10) is fixedly connected with a driving shaft (11), the bottom of the driving shaft (11) is fixedly connected with a driving plate (12), the bottom of the driving plate (12) is fixedly connected with a buffer rod (13), the side surface of the buffer rod (13) is sleeved with a buffer spring (14), the buffer rod (13) is fixedly connected with the bearing plate (5).

4. The magnetic wire-locking device for an electric screwdriver according to claim 2, characterized in that, The top of the bearing plate (5) is fixedly connected with an electric wrench (15), the transmission end of the electric wrench (15) is connected with a wrench rod (16), the bottom of the wrench rod (16) is connected with a suction nozzle (17), the side surface of the suction nozzle (17) is sleeved with a permanent magnet (18), one side of the connecting plate (6) is provided with a support seat (19).

5. The magnetic wire-locking device for an electric screwdriver according to claim 1, characterized in that, The shape of the mounting plate (1) is U-shaped, the inner walls of the first hidden groove (201) and the second hidden groove (207) are both provided with sealing rubber rings, the flexible scraper (206) is made of wear-resistant rubber material.

6. The magnetic wire-locking device for an electric screwdriver according to claim 4, characterized in that, The inside of the suction nozzle (17) is provided with a threaded structure, which is threadedly connected with the bottom of the wrench rod (16), the bottom shape of the suction nozzle (17) is adapted to the head of a screw.

7. The magnetic locking bit holder of claim 3, wherein the magnetic locking bit holder further comprises a magnet disposed within the housing and configured to magnetically attract the bit holder to the housing. The top surface of the driving plate (12) is provided with a wear-resistant layer made of ceramic material, the buffer rod (13) and the buffer spring (14) are symmetrically distributed.

Images