Screw machine

Abstract

The utility model provides a screw machine which comprises a base, a rotating platform, a feeding station, a transition station, a working station, a discharging station, a clamp, a pushing mechanism, a conveying belt, a clamping body, a clamping block and a pushing plate. The rotating platform provided with the feeding station, the transition station, the working station and the discharging station is adopted, the clamps are fixedly connected to all the stations, when the rotating platform rotates, the clamps in the feeding station, the transition station, the working station and the discharging station are replaced mutually, and the clamps in the feeding station, the transition station, the working station and the discharging station are matched through the material pushing mechanism and the conveying belt. According to the screw driving device, continuous screw driving of multiple products is achieved, screw driving, discharging and product mounting are conducted at the same time, a large amount of time is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screws, in particular to a screw machine. Background Art

[0002] At present, screwing of workpieces is generally done manually. However, with the increase in labor costs and high staff turnover, the company's operating and management costs are gradually high. More importantly, the efficiency of manual batch screwing is very low and is far from meeting the current batch demand for products.

[0003] Chinese utility model patent ZL201821940240.X discloses a screw driving machine, including a frame, a screw driving mechanism and a clamp; the clamp is installed at the lower part of the frame, and the screw driving mechanism is arranged above the clamp; the screw driving mechanism includes a sliding device and a screwdriver; the screwdriver is installed on the sliding device, and the sliding device is slidably connected with the frame and slides up and down on the frame; the screwdriver is driven to rotate by a motor; a guide device is also arranged between the clamp and the screw driving mechanism to guide the screwdriver head to the screw on the workpiece. The guide mechanism is used to guide the moving direction of the screwdriver so that the position of the screwdriver no longer deviates and falls accurately on the screw.

[0004] However, the above-mentioned screw driving machine can only take and place a single item at a time, which makes the continuity of the device poor and causes low efficiency of screw driving of the device. Therefore, a screw driving machine is needed. Utility Model Content

[0005] The purpose of the utility model is to design a screw machine to solve the problems raised by the background technology. To achieve the above purpose, the utility model provides the following technical solutions: including a rotating platform installed on a base, the rotating platform is circumferentially distributed with a loading station, a transition station, a working station and a unloading station, the loading station, the transition station, the working station and the unloading station are all installed with a clamp of the same structure, the clamp is provided with a pushing mechanism, the unloading station is aligned with the conveyor belt in the transmission mechanism, the clamp includes a clamping body and two clamping blocks connected to the clamping body and used to clamp the product, the clamping block is elastically connected to the clamping body, and the pushing plate of the pushing mechanism is located between the two clamping blocks and is in contact with the product.

[0006] Furthermore, the clamping block is provided with a slot for installing an electric push rod, the end of the telescopic rod of the electric push rod is fixedly connected to a connecting plate, the connecting plate is fixedly connected to the push rod, and the end of the push rod away from the connecting plate is fixedly connected to the push plate.

[0007] Furthermore, a limiting platform is provided on the clamping block.

[0008] Furthermore, a side of the clamping block close to the product is provided with a chamfer, and the chamfer is provided with a rounded corner.

[0009] Furthermore, the rotating platform is provided with a plurality of grooves.

[0010] Furthermore, an annular plate is provided on the rotating platform, and four universal balls are distributed circumferentially on the base. The spherical surface of the universal ball is tangent to the bottom of the annular plate, and the universal ball is located directly below the fixture.

[0011] Furthermore, a rotating shaft is fixedly connected to the bottom of the rotating platform, the rotating shaft passes through the bottom plate and a first gear is fixedly connected to the end of the rotating shaft, a supporting plate is fixedly connected to the bottom of the bottom plate, a servo motor is fixedly connected to the supporting plate, and a second gear meshing with the first gear is fixedly connected to the output end of the servo motor.

[0012] Furthermore, each clamping block is provided with two guide cylinders slidably connected to the clamping body, a spring is provided inside the guide cylinder, one end of the spring is fixedly connected to the bottom of the guide cylinder, and the other end is fixedly connected to the inside of the clamping body.

[0013] Furthermore, a sink groove is provided in the middle of the clamping body, a support shaft is fixedly connected to the inside of the sink groove, the end of the support shaft is rotatably connected to a synchronous gear, and the clamping body is also slidably connected to a rack fixed to the clamping block, and the rack meshes with the synchronous gear.

[0014] Furthermore, a mounting groove is provided at the top of the sinking groove, the size of which is larger than the sinking groove, and an isolation plate is fixedly connected to the mounting groove, the top of which is flush with the top of the clamping body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model adopts a rotating platform with a loading station, a transition station, a working station and a unloading station, and a clamp is fixedly connected to each station. When the rotating platform rotates, the clamps in the loading station, the transition station, the working station and the unloading station will be replaced with each other, and through the cooperation of the pushing mechanism and the conveyor belt, continuous screwing of multiple products is achieved, and screwing, unloading and installing products can be carried out simultaneously, saving a lot of time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial cross-sectional schematic diagram of the utility model;

[0020] Figure 3 A partial cross-sectional schematic diagram of the fixture.

[0021] Among them: 1. Base; 11. Groove; 12. Loading station; 13. Transition station; 14. Working station; 15. Unloading station; 16. Rotating platform; 17. Support plate; 18. Rotating shaft; 19. First gear; 2. Clamp; 21. Clamping block; 22. Sink; 23. Spring; 24. Rack; 25. Synchronous gear; 26. Guide cylinder; 27. Isolation plate; 28. Clamping body; 3. Ring plate; 4. Pushing mechanism; 41. Electric push rod; 42. Connecting plate; 43. Push rod; 44. Pushing plate; 5. Screwdriver; 6. Conveyor belt; 7. Product; 8. Universal ball. DETAILED DESCRIPTION

[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0023] Example: Please refer to Figure 1-3A screw machine comprises a rotating platform 16 mounted on a base 1, a loading station 12, a transition station 13, a working station 14 and a unloading station 15 are circumferentially distributed on the rotating platform 16, the loading station 12, the transition station 13, the working station 14 and the unloading station 15 are all mounted with a fixture 2 of the same structure, a pushing mechanism 4 is provided on the fixture 2, the unloading station 15 is aligned with a conveyor belt 6 in a transmission mechanism, the fixture 2 comprises a clamping body 28 and two clamping blocks 21 connected to the clamping body 28 and used for clamping a product 7, the clamping block 21 is elastically connected to the clamping body 28, a pushing plate 44 of the pushing mechanism 4 is located between the two clamping blocks 21 and is in contact with the product 7; wherein a screw driver 5 for driving screws is also provided on the base 1, and the driving screw driver 5 is provided with a screw driver 5 for driving screws. The screwdriver 5 is located directly above the working station 14, and the screwdriver 5 adopts the existing commonly used screwdriver 5, which will not be described in detail here; a rotating shaft 18 is fixedly connected to the bottom of the rotating platform 16, and the rotating shaft 18 passes through the bottom plate and the end of the rotating shaft 18 is fixedly connected to the first gear 19, and the bottom of the bottom plate is fixedly connected to a support plate 17, and a servo motor is fixedly connected to the support plate 17, and the output end of the servo motor is fixedly connected to a second gear meshing with the first gear 19; when the servo motor is started, the second gear will rotate, thereby driving the first gear 19 to rotate, and then the rotating platform 16 will rotate; therefore, when it is necessary to screw the product 7, first put the product 7 into the fixture 2 of the loading station 12, and clamp it with two clamping blocks 21, and then rotate the platform 1 6 rotates to rotate the product 7 at the loading station 12 to the transition station 13, and then the rotating platform 16 stops rotating; then the next product 7 is placed in the fixture 2 of the loading station 12, and then the rotating platform 16 rotates to rotate the product 7 at the transition station 13 to the working station 14; the product 7 at the loading station 12 is rotated to the transition station 13, and then the rotating platform 16 stops rotating, and the operator places the next product 7 in the fixture 2 of the loading station 12. During this process, the product 7 at the working station 14 will be screwed by the screw driver 5. When the screw driver 5 finishes screwing, the rotating platform 16 rotates to rotate the product 7 at the transition station 13 to the working station 14 for screwing, and the product 7 at the working station 1 4 and the product 7 that has been screwed is rotated to the unloading station 15, and then the pushing mechanism 4 in the unloading station 15 is started, so as to push the product 7 that has been screwed into the conveyor belt 6 and is transferred to the next process by the conveyor belt 6; in this process, the screw driver 5 is started to perform screwing operation on the product 7 entering the working station 14. When the screw driver 5 in the working station 14 completes the operation and the pushing mechanism 4 completes the pushing, the rotating platform 16 rotates, so as to move the fixture 2 in the unloading station 15 to the loading station 12, and then the operator can put the product 7 into the fixture 2, thereby realizing continuous screwing of multiple products 7, and making screwing, unloading and installing products 7 be carried out at the same time, saving a lot of time and improving work efficiency.

[0024] In this embodiment, the clamping block 21 is provided with a notch for installing the electric push rod 41, the end of the telescopic rod of the electric push rod 41 is fixedly connected to a connecting plate 42, the connecting plate 42 is fixedly connected to a push rod 43, and the end of the push rod 43 away from the connecting plate 42 is fixedly connected to a push plate 44. When the clamp 2 in the working station 14 is transferred to the unloading station 15, the electric push rod 41 is started, and the telescopic rod is retracted, so that the push plate 44 moves, and then the product 7 is pushed out; and a limit table is provided on the clamping block 21 for limiting the position of the clamping block 21, so that there is a gap between the two clamping blocks 21, which is convenient for The product 7 is placed; the side of the clamping block 21 close to the product 7 is chamfered, and the chamfer is rounded, so that it plays a certain guiding role when the product 7 is placed, which is convenient for the installation of the product 7; a number of grooves 11 are provided on the rotating platform 16, thereby reducing the overall weight of the screw machine; and the rotating platform 16 is provided with an annular plate 3, and four universal balls 8 are distributed circumferentially on the base 1, and the spherical surface of the universal ball 8 is tangent to the bottom of the annular plate 3. The universal ball 8 is located directly below the clamp 2, which ensures that the rotating platform 16 is stable when the screw driver 5 is screwing, and prevents the screw from being rotated due to screwing. The rotating platform 16 is tilted; and each clamping block 21 is provided with two guide cylinders 26 slidably connected to the clamping body 28, and a spring 23 is provided inside the guide cylinder 26, one end of the spring 23 is fixedly connected to the bottom of the guide cylinder 26, and the other end is fixedly connected to the inside of the clamping body 28, so as to realize the elastic movement of the clamping block 21, and at the same time, the clamp 2 can adapt to products 7 of different widths, thereby improving the application range of the screw machine; In addition, a sink 22 is provided in the middle of the clamping body 28, and a support shaft is fixedly connected to the inside of the sink 22, and the end of the support shaft is rotatably connected to a synchronous gear 25, and the clamp A rack 24 fixed to the clamping block 21 is also slidably connected to the holding body 28, and the rack 24 meshes with the synchronous gear 25, thereby realizing the synchronous movement of the two clamping blocks 21, which is beneficial to the positioning of the product 7 and to improving the screwing accuracy of the screw driver 5; a mounting groove is provided on the top of the sinking groove 22, and the size of the mounting groove is larger than the sinking groove 22. An isolation plate 27 is also fixed to the mounting groove to prevent the external environment from affecting the meshing quality of the synchronous gear 25 and the rack 24; the top of the isolation plate 27 is flush with the top of the clamping body 28 to prevent the isolation plate 27 from affecting the installation of the product 7.

[0025] How it works

[0026] When it is necessary to screw the product 7, first put the product 7 into the fixture 2 of the loading station 12 and clamp it with the two clamping blocks 21. Then when the servo motor is started, the second gear will rotate, thereby driving the first gear 19 to rotate, and then the rotating platform 16 will rotate; thereby the product 7 of the loading station 12 is rotated to the transition station 13, and then the servo motor stops, and the rotating platform 16 stops rotating; then continue to put the next product 7 into the fixture 2 of the loading station 12, and then the rotating platform 16 rotates, and the product 7 of the transition station 13 is rotated to the working station 14; and the product 7 of the loading station 12 is rotated to the transition station 13, and then the rotating platform 16 stops rotating, and the operator can put the next product 7 into the fixture 2 of the loading station 12. During this process, the product 7 located at the working station 14 will be screwed by the screw driver 5. When the screw driver 5 completes screwing, the rotating platform 16 rotates. , so that the product 7 in the transition station 13 is rotated to the working station 14 for screwing, and the product 7 located on the working station 14 and having been screwed is rotated to the unloading station 15, and then the servo motor stops, and the rotating platform 16 will stop rotating; then the electric push rod 41 in the unloading station 15 is started, and the telescopic rod is retracted, so that the pushing plate 44 is moved, and then the product 7 in the unloading station 15 is pushed out; in this process, the screw driver 5 will be started again to screw the product 7 entering the working station 14. When the screw driver 5 in the working station 14 completes the operation and the pushing plate 44 completes the pushing, the rotating platform 16 rotates, thereby moving the fixture 2 in the unloading station 15 to the loading station 12, and then the operator can put the product 7 into the fixture 2, thereby realizing continuous screwing of multiple products 7, and making screwing, unloading and installing products 7 be carried out simultaneously, saving a lot of time and improving work efficiency.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0028] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A screw machine, characterized in that: The invention comprises a rotating platform (16) installed on a base (1), wherein a loading station (12), a transition station (13), a working station (14) and a unloading station (15) are circumferentially distributed on the rotating platform (16), wherein the loading station (12), the transition station (13), the working station (14) and the unloading station (15) are all installed with a clamp (2) of the same structure, wherein a pushing mechanism (4) is provided on the clamp (2), wherein the unloading station (15) is aligned with a conveyor belt (6) in a transmission mechanism, wherein the clamp (2) comprises a clamping body (28) and two clamping blocks (21) connected to the clamping body (28) and used for clamping a product (7), wherein the clamping block (21) is elastically connected to the clamping body (28), and a pushing plate (44) of the pushing mechanism (4) is located between the two clamping blocks (21) and is in contact with the product (7).

2. The screw machine according to claim 1, characterized in that: The clamping block (21) is provided with a notch for installing an electric push rod (41), the telescopic rod end of the electric push rod (41) is fixedly connected to a connecting plate (42), a push rod (43) is fixedly connected to the connecting plate (42), and the end of the push rod (43) away from the connecting plate (42) is fixedly connected to the push plate (44).

3. The screw machine according to claim 1, characterized in that: The clamping block (21) is provided with a limiting platform.

4. The screw machine according to claim 1, characterized in that: A chamfer is provided on one side of the clamping block (21) close to the product (7), and a rounded corner is provided on the chamfer.

5. The screw machine according to claim 1, characterized in that: The rotating platform (16) is provided with a plurality of grooves (11).

6. The screw machine according to claim 1, characterized in that: An annular plate (3) is provided on the rotating platform (16), and four universal balls (8) are distributed circumferentially on the base (1). The spherical surface of the universal ball (8) is tangent to the bottom of the annular plate (3), and the universal ball (8) is located directly below the clamp (2).

7. The screw machine according to claim 1, characterized in that: A rotating shaft (18) is fixedly connected to the bottom of the rotating platform (16), the rotating shaft (18) passes through the bottom plate and the end of the rotating shaft (18) is fixedly connected to a first gear (19), a supporting plate (17) is fixedly connected to the bottom of the bottom plate, a servo motor is fixedly connected to the supporting plate (17), and an output end of the servo motor is fixedly connected to a second gear meshing with the first gear (19).

8. The screw machine according to claim 1, characterized in that: Each of the clamping blocks (21) is provided with two guide cylinders (26) slidably connected to the clamping body (28), a spring (23) is provided inside the guide cylinder (26), one end of the spring (23) is fixedly connected to the bottom of the guide cylinder (26), and the other end is fixedly connected to the inside of the clamping body (28).

9. The screw machine according to claim 1, characterized in that: A sink groove (22) is provided in the middle of the clamping body (28), a support shaft is fixedly connected inside the sink groove (22), and a synchronous gear (25) is rotatably connected to the end of the support shaft. A rack (24) fixedly connected to the clamping block (21) is also slidably connected to the clamping body (28), and the rack (24) is meshed with the synchronous gear (25).

10. The screw machine according to claim 9, characterized in that: A mounting groove is provided at the top of the sink groove (22), the size of the mounting groove being larger than the sink groove (22), and an isolation plate (27) is fixedly connected to the mounting groove, the top of the isolation plate (27) being flush with the top of the clamping body (28).

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