Buffering device of automatic screw machine

Abstract

The utility model discloses a buffering device of an automatic screw machine, a screw punching mechanism is arranged above a machine body, a buffering structure is arranged on one side of the screw punching mechanism, the buffering structure comprises a first movable plate, a guide rod, a spring, a second movable plate and a supporting block, and the inner wall of the first movable plate is sleeved with the guide rod in a sliding mode. The outer wall, located on one side of the lower end of the first movable plate, of the guide rod is sleeved with a spring, the bottom end of the guide rod is fixedly connected with a supporting block, and the supporting block is fixedly connected with the second movable plate. And when the second movable plate descends to make contact with the limiting lead screw, descending is stopped, then buffering protection can be conducted on the second movable plate and the screw placing head, the lowest descending limit of the second movable plate can be conveniently and correspondingly adjusted by adjusting the height of the limiting lead screw, and then adjustment can be conducted according to the specifications of hardware and screws.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic screw machines for hardware parts, in particular to a buffer device for an automatic screw machine. Background Art

[0002] During the assembly process of the internal hardware of switches and sockets, screws must be pre-installed in the holes of the hardware. Conventional manual assembly requires a large number of people to increase the assembly speed. Furthermore, when using an automatic screw machine to install the screws on the hardware, the screw head of the screw machine will constantly move up and down as the screw is aligned with the hole in the hardware, and no buffering protection is provided. Therefore, a buffering device for an automatic screw machine is provided to solve the above problems. Utility Model Content

[0003] The problems raised in the above background technology are solved by the technical solution adopted by the present invention: a buffer device for an automatic screw machine, which includes: a machine body, a screw punching mechanism is arranged above the machine body, a buffer structure is arranged on one side of the screw punching mechanism, the buffer structure includes a first movable plate, a guide rod, a spring, a second movable plate, and a support block, the inner wall of the first movable plate is slidingly sleeved with the guide rod, the guide rod is located on the outer wall of one side of the lower end of the first movable plate and is sleeved with the spring, the bottom end of the guide rod is fixedly connected to the support block, and the support block is fixedly connected to the second movable plate.

[0004] As an optimal technical solution of the present utility model, the screw punching mechanism includes a base, a bracket, a mounting frame, a horizontal plate, a telescopic cylinder, a fixing rod, and a push rod. The upper end of the base is fixedly connected to the bracket by screws, the upper end of the bracket is fixedly connected to the mounting frame by screws, the top end of the mounting frame is fixedly connected to the horizontal plate by screws, the top end of the horizontal plate is fixedly installed with a telescopic cylinder, the output end of the telescopic cylinder is fixedly connected to the fixing rod, the bottom end of the fixing rod is fixedly connected to the push rod, and the base is screwed to the upper end of the machine body.

[0005] As a preferred technical solution of the present invention, the first movable plate and the second movable plate are both movably connected to one side of the mounting frame via guide rails, and a fixed rod is fixedly connected through the interior of the first movable plate.

[0006] As a preferred technical solution of the present invention, the lower end of the mounting frame is symmetrically screw-fixed with fixing blocks on both sides, and the top of the fixing block is threadedly connected to a limiting screw rod.

[0007] As an optimal technical solution of the present invention, the push rod passes through the support block and extends to the inside of the screw discharge head. A screw inlet is provided on one side of the upper end of the screw discharge head, and the screw discharge head is provided at the bottom end of the support block.

[0008] As an optimal technical solution of the present invention, a turntable mechanism is installed on the upper end of the machine body on one side of the screw punching mechanism, a processing seat is provided on the upper side of the turntable mechanism, and hardware is placed above the processing seat.

[0009] As an optimal technical solution of the present invention, a fixing frame is fixedly provided on the upper end of the machine body on one side of the screw punching mechanism, a screw feeding tray is provided on the top of the fixing frame, a feeding cylinder is provided on one side of the screw feeding tray, and the feeding cylinder pipeline is connected to the screw inlet.

[0010] The utility model has the following advantages: through the cooperation of the first movable plate, the guide rod, the spring and the second movable plate, the spring is squeezed during the screwing process of the automatic screw machine, and the second movable plate is synchronously driven to descend. When the second movable plate descends and contacts the limit screw rod, it stops descending, thereby providing buffer protection for the second movable plate and the screw feeding head;

[0011] Moreover, by adjusting the height of the limiting screw rod, it is convenient to adjust the minimum lowering limit of the second movable plate, and then adjust it according to the specifications of the hardware and screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of a preferred embodiment of the utility model;

[0013] Figure 2 This is a structural diagram of a screw punching mechanism according to a preferred embodiment of the present invention;

[0014] Figure 3 This is a preferred embodiment of the utility model Figure 1 Enlarged schematic diagram of structure A.

[0015] Explanation of the accompanying reference numerals: 1. Machine body; 2. Screw punching mechanism; 201. Base; 202. Bracket; 203. Mounting frame; 204. Horizontal plate; 205. Telescopic cylinder; 206. Fixed rod; 207. First movable plate; 208. Push rod; 209. Guide rod; 210. Spring; 211. Second movable plate; 212. Support block; 213. Screw discharge head; 214. Screw inlet; 215. Fixed block; 216. Limiting screw; 3. Turntable mechanism; 4. Processing seat; 5. Hardware; 6. Fixed frame; 7. Screw loading tray; 8. Loading cylinder. DETAILED DESCRIPTION

[0016] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," "outside," and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Please refer to Figure 1-Figure 3 The utility model discloses a buffer device for an automatic screw machine, comprising: a machine body 1, a screw punching mechanism 2 is arranged above the machine body 1, a buffer structure is arranged on one side of the screw punching mechanism 2, the buffer structure comprises a first movable plate 207, a guide rod 209, a spring 210, a second movable plate 211, and a support block 212, the inner wall of the first movable plate 207 is slidably sleeved with the guide rod 209, the guide rod 209 is located on one side of the lower end of the first movable plate 207 and sleeved with the spring 210 on the outer wall, the bottom end of the guide rod 209 is fixedly connected to the support block 212, and the support block 212 is fixedly connected to the second movable plate 211.

[0020] Combine Figure 2As shown, the screw punching mechanism 2 includes a base 201, a bracket 202, a mounting frame 203, a horizontal plate 204, a telescopic cylinder 205, a fixed rod 206, and a top rod 208. The upper end of the base 201 is fixedly connected to the bracket 202 with screws, the upper end of the bracket 202 is fixedly connected to the mounting frame 203 with screws, the top of the mounting frame 203 is fixedly connected to the horizontal plate 204 with screws, and the top of the horizontal plate 204 is fixedly installed with a telescopic cylinder 205. The screw can be driven out by the telescopic cylinder 205. The output end of the telescopic cylinder 205 is fixedly connected to the fixed rod 206, which is convenient for connecting the first movable plate 207 and the top rod 208. The bottom end of the fixed rod 206 is fixedly connected to the top rod 208. The base 201 is screwed to the upper end of the body 1, and the first movable plate 207 and the second movable plate 211 are both movably connected to one side of the mounting frame 203 through a guide rail. The first movable plate 207 is fixedly connected to the fixed rod 206 inside.

[0021] Among them, the lower end of the mounting frame 203 is symmetrically screwed with fixed blocks 215 on both sides, and the top of the fixed block 215 is threadedly connected to a limit screw rod 216. The limit screw rod 216 can control the lowest height of the second movable plate 211. The top rod 208 passes through the support block 212 and extends to the inside of the screw discharge head 213. A screw inlet 214 is provided on one side of the upper end of the screw discharge head 213. The screw discharge head 213 is provided at the bottom end of the support block 212. Figure 1 As shown, a turntable mechanism 3 is installed on the upper end of the body 1 on one side of the screw punching mechanism 2, a processing seat 4 is provided on the side of the upper end of the turntable mechanism 3, and hardware 5 is placed above the processing seat 4. A fixing frame 6 is fixedly provided on the upper end of the body 1 on one side of the screw punching mechanism 2, a screw loading tray 7 is provided on the top of the fixing frame 6, and a loading cylinder 8 is provided on one side of the screw loading tray 7. The loading cylinder 8 is connected to the screw inlet 214 through a pipeline, so as to facilitate the conveying of the screws in the screw loading tray 7 to the screw discharge head 213 through the pipeline.

[0022] Specifically, when the present invention is used, when the hardware 5 on the processing seat 4 is rotated to the screw punching mechanism 2 through the turntable mechanism 3, the telescopic cylinder 205 is pneumatically operated, and then the output end of the telescopic cylinder 205 will drive the fixed rod 206 to descend, and then the fixed rod 206 drives the first movable plate 207 to descend, and then the first movable plate 207 compresses the spring 210 along the guide rod 209, and then the spring 210 squeezes the second movable plate 211 downward, so that the second movable plate 211 descends and contacts the top of the limiting screw rod 216 for limitation. At this time, the fixed rod 206 continues to drive the push rod 208 to descend, and then the screw inside the screw discharge head 213 can be pushed out by the push rod 208, and the screw passes through the holes at both ends of the hardware 5 on the processing seat 4.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

[0024] Other parts of the present invention that are not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. Automatic screw machine buffer device, including: The machine body (1) is characterized in that a screw punching mechanism (2) is arranged above the machine body (1), and a buffer structure is arranged on one side of the screw punching mechanism (2), and the buffer structure comprises a first movable plate (207), a guide rod (209), a spring (210), a second movable plate (211), and a support block (212); the inner wall of the first movable plate (207) is slidably sleeved with the guide rod (209), the guide rod (209) is located on one side of the lower end of the first movable plate (207) and the outer wall is sleeved with the spring (210), the bottom end of the guide rod (209) is fixedly connected to the support block (212), and the support block (212) is fixedly connected to the second movable plate (211).

2. The automatic screw machine buffer device according to claim 1, characterized in that: The screw punching mechanism (2) comprises a base (201), a bracket (202), a mounting frame (203), a transverse plate (204), a telescopic cylinder (205), a fixing rod (206), and a top rod (208); the upper end of the base (201) is screw-fixedly connected to the bracket (202); the upper end of the bracket (202) is screw-fixedly connected to the mounting frame (203); the top end of the mounting frame (203) is screw-fixedly connected to the transverse plate (204); the top end of the transverse plate (204) is fixedly mounted with the telescopic cylinder (205); the output end of the telescopic cylinder (205) is fixedly connected to the fixing rod (206); the bottom end of the fixing rod (206) is fixedly connected to the top rod (208); and the base (201) is screw-fixed to the upper end of the machine body (1).

3. The automatic screw machine buffer device according to claim 1, characterized in that: The first movable plate (207) and the second movable plate (211) are both movably connected to one side of the mounting frame (203) via a guide rail, and a fixed rod (206) is fixedly connected to the interior of the first movable plate (207).

4. The automatic screw machine buffer device according to claim 2, characterized in that: The lower ends of the mounting frame (203) are symmetrically screw-fixed with fixing blocks (215) at both sides, and the top of the fixing block (215) is threadedly connected to a limit screw rod (216).

5. The automatic screw machine buffer device according to claim 2, characterized in that: The push rod (208) passes through the support block (212) and extends to the inside of the screw discharge head (213). A screw inlet (214) is provided on one side of the upper end of the screw discharge head (213). The screw discharge head (213) is arranged at the bottom end of the support block (212).

6. The automatic screw machine buffer device according to claim 1, characterized in that: A turntable mechanism (3) is installed on the upper end of the machine body (1) and located on one side of the screw punching mechanism (2). A processing seat (4) is arranged on the upper side of the turntable mechanism (3). Hardware (5) is placed above the processing seat (4).

7. The automatic screw machine buffer device according to claim 1, characterized in that: A fixing frame (6) is fixedly provided at the upper end of the machine body (1) on one side of the screw punching mechanism (2), a screw loading tray (7) is provided at the top of the fixing frame (6), a loading cylinder (8) is provided on one side of the screw loading tray (7), and a pipeline of the loading cylinder (8) is connected to a screw inlet (214).

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