Chamfering machine for screw machining

Abstract

The utility model provides a chamfering machine for processing a screw rod, which comprises a rack, a guide seat fixed on the rack, a workbench horizontally connected on the guide seat in a sliding manner, a cylinder 1 horizontally arranged on the guide seat, a piston rod end part of the cylinder 1 connected with the workbench, a driving shaft horizontally arranged on the workbench in a rotating manner, one end of the driving shaft is connected with a power module enabling the driving shaft to rotate, a cutting disc used for cutting a screw is installed at the other end of the driving shaft, a guide rail is horizontally installed on the machine frame, an adjusting base and an adjusting block are connected to the guide rail in a sliding mode, a second air cylinder is vertically installed on the adjusting base, and the end of a piston rod of the second air cylinder is connected with a lifting plate. A rotating air cylinder is installed on the lifting plate, a support is installed on a rotating part of the rotating air cylinder, a semicircular containing block used for containing a screw rod is installed on the support, a clamping assembly used for clamping the screw rod is further arranged on the support, a limiting rod is further vertically installed on the adjusting block, and a first locking screw is in threaded connection with the adjusting base; the adjusting block is in threaded connection with a second locking screw.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a chamfering machine for screw machining. Background Technique

[0002] A screw is a cylinder with spiral grooves cut on its outer surface or a cone with conical spiral grooves cut. Screws have different heads. The head is called an external hexagon screw; there are also others, such as large flat screws, internal hexagon screws, and so on.

[0003] During the screw machining process, chamfering treatment needs to be carried out on both ends. However, the existing semi-automatic equipment needs to be clamped twice to complete the chamfering of both ends. Therefore, it is very necessary to design a chamfering machine for screw machining. Summary of the Invention

[0004] The purpose of the utility model is to address the above problems existing in the prior art and propose a chamfering machine for screw machining.

[0005] The purpose of the utility model can be achieved by the following technical solutions: A chamfering machine for screw machining, including a frame. A guide seat is fixed on the frame. A workbench is horizontally slidably connected to the guide seat. A cylinder one is horizontally installed on the guide seat. The end of the piston rod of the cylinder one is connected to the workbench. A driving shaft is horizontally rotatably installed on the workbench. One end of the driving shaft is connected to a power module for rotating it. The other end of the driving shaft is installed with a cutting disc for screw cutting. It is characterized in that a guide rail is horizontally installed on the frame. An adjustment seat and an adjustment block are slidably connected to the guide rail. A cylinder two is vertically installed on the adjustment seat. The end of the piston rod of the cylinder two is connected to a lifting plate. A rotary cylinder is installed on the lifting plate. A bracket is installed on the rotating part of the rotary cylinder. A semi-circular placing block for placing the screw is installed on the bracket. A clamping assembly for clamping the screw is also provided on the bracket. A limiting rod is vertically installed on the adjustment block. An auxiliary block with a roller is provided on the limiting rod. A locking screw one is threadedly connected to the adjustment seat. A locking screw two is threadedly connected to the adjustment block.

[0006] Both the locking screw one and the locking screw two are hand-tightening parts.

[0007] The clamping assembly includes a cylinder three, a cross bar, two swing arms, and two clamping blocks. The middle of the swing arm is rotatably connected to the bracket. The lower end of the swing arm is rotatably connected to the end of the cross bar. The middle of the cross bar is connected to the end of the piston rod of the cylinder three. The cylinder body of the cylinder three is connected to the bracket. The upper end of the swing arm is connected to the clamping block.

[0008] A guide plate is also installed on the cylinder body of the cylinder two. A guide rod is vertically slidably connected to the guide plate. The guide rod is connected to the lifting plate.

[0009] An electric control box is also installed on the frame, and the first cylinder, the second cylinder, the third cylinder and the rotary cylinder are all electrically connected to the electric control box through wires.

[0010] Compared with the prior art, the chamfering machine for screw processing has the following advantages:

[0011] In the present utility model, the screw is placed on the semi-circular placement block, one end of the screw abuts against the auxiliary block on the limiting rod, the screw is clamped by the clamping assembly, the bracket is lifted upward by the second cylinder, the rotating cutting disc is brought close to the end of the screw by the first cylinder and chamfering treatment is carried out on it. After chamfering one end is completed, the rotary cylinder can be used to turn the screw around, and then chamfering treatment is carried out on the other end, so that secondary clamping is not required. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the schematic plan view of the present utility model;

[0013] Figure 2 is the partial enlarged view of A;

[0014] Figure 3 is the schematic three-dimensional view of the present utility model;

[0015] In the figure, 1, frame; 2, guide rail; 3, adjustment block; 4, adjustment seat; 5, cutting disc; 6, driving shaft; 7, power module; 8, first cylinder; 9, workbench; 10, guide seat; 11, second locking screw; 12, limiting rod; 13, auxiliary block; 14, semi-circular placement block; 15, clamping block; 16, swing arm; 17, cross bar; 18, third cylinder; 19, bracket; 20, rotary cylinder; 21, lifting plate; 22, guide plate; 23, guide rod; 24, second cylinder; 25, first locking screw; 26, electric control box. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following are specific embodiments of the present utility model in combination with the drawings, and the technical solutions of the present utility model will be further described, but the present utility model is not limited to these embodiments.

[0017] Such as Figures 1 - 3As shown in the figure, this chamfering machine for screw processing includes a frame 1. A guide base 10 is fixed on the frame 1. A workbench 9 is horizontally slidably connected to the guide base 10. A first cylinder 8 is horizontally installed on the guide base 10. The end of the piston rod of the first cylinder 8 is connected to the workbench 9. A driving shaft 6 is horizontally rotatably installed on the workbench 9. One end of the driving shaft 6 is connected to a power module 7 that makes it rotate. The other end of the driving shaft 6 is installed with a cutting disc 5 for screw cutting. In this embodiment, the use of the power module 7 to make the cutting disc 5 rotate is an existing technology; A guide rail 2 is horizontally installed on the frame 1. An adjustment seat 4 and an adjustment block 3 are slidably connected to the guide rail 2. A second cylinder 24 is vertically installed on the adjustment seat 4. The end of the piston rod of the second cylinder 24 is connected to a lifting plate 21. A rotary cylinder 20 is installed on the lifting plate 21. The rotary cylinder 20 is an existing product and can rotate 180 degrees each time it rotates; A bracket 19 is installed on the rotating part of the rotary cylinder 20. A semi-circular placing block 14 for placing the screw is installed on the bracket 19. A clamping assembly for clamping the screw is also provided on the bracket 19. A limiting rod 12 is vertically installed on the adjustment block 3. The limiting rod 12 has an auxiliary block 13 with a roller. A first locking screw 25 is threadedly connected to the adjustment seat 4. A second locking screw 11 is threadedly connected to the adjustment block 3. With this structure, according to the length of different screws, the positions of the adjustment seat 4 and the adjustment block 3 can be adjusted; Both the first locking screw 25 and the second locking screw 11 are hand-tightening parts.

[0018] The clamping assembly includes a third cylinder 18, a cross bar 17, two swing arms 16 and two clamping blocks 15. The middle of the swing arm 16 is rotatably connected to the bracket 19. The lower end of the swing arm 16 is rotatably connected to the end of the cross bar 17. The middle of the cross bar 17 is connected to the end of the piston rod of the third cylinder 18. The cylinder block of the third cylinder 18 is connected to the bracket 19. The upper end of the swing arm 16 is connected to the clamping block 15.

[0019] A guide plate 22 is also installed on the cylinder block of the second cylinder 24. A guide rod 23 is vertically slidably connected to the guide plate 22. The guide rod 23 is connected to the lifting plate 21. With this structure, the lifting plate 21 can move up and down more stably.

[0020] An electric control box 26 is also installed on the frame 1. The first cylinder 8, the second cylinder 24, the third cylinder 18 and the rotary cylinder 20 are all electrically connected to the electric control box 26 through wires. This is an existing technology and its circuit etc. do not need to be redesigned.

[0021] In the present utility model, the screw is placed on the semi-circular placing block 14, one end of the screw abuts against the auxiliary block 13 on the limiting rod 12, the screw is clamped by the clamping assembly, the bracket 19 is lifted upward by the second cylinder 24, the rotating cutting disc 5 is made to approach the end of the screw by the first cylinder 8 and chamfer it. After one end is chamfered, the rotary cylinder 20 can be used to turn the screw around and then chamfer the other end, so that secondary clamping is not required.

[0022] The above components are all common standard components or components known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or through conventional experimental methods.

[0023] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A chamfering machine for screw processing, comprising a frame (1), a guide seat (10) is fixed on the frame (1), a workbench (9) is horizontally slidably connected to the guide seat (10), a cylinder (8) is horizontally installed on the guide seat (10), the piston rod end of the cylinder (8) is connected to the workbench (9), a drive shaft (6) is horizontally rotatably installed on the workbench (9), one end of the drive shaft (6) is connected to a power module (7) for rotating it, and a cutting disc (5) for screw cutting is installed on the other end of the drive shaft (6), characterized in that: A guide rail (2) is horizontally mounted on the frame (1), an adjustment seat (4) and an adjustment block (3) are slidably connected to the guide rail (2), a second cylinder (24) is vertically mounted on the adjustment seat (4), the piston rod end of the second cylinder (24) is connected to a lifting plate (21), a rotary cylinder (20) is mounted on the lifting plate (21), a bracket (19) is mounted on the rotating part of the rotary cylinder (20), a semicircular placement block (14) for placing a screw is mounted on the bracket (19), a clamping assembly for clamping the screw is also provided on the bracket (19), a limiting rod (12) is vertically mounted on the adjustment block (3), the limiting rod (12) is provided with an auxiliary block (13) with a roller, a locking screw (25) is threadedly connected to the adjustment seat (4), and a locking screw (11) is threadedly connected to the adjustment block (3).

2. A screw chamfering machine according to claim 1, characterized in that: The locking screw 1 (25) and the locking screw 2 (11) are both hand-tightened parts.

3. A screw chamfering machine according to claim 1, characterized in that: The clamping assembly comprises a cylinder three (18), a cross bar (17), two swing arms (16) and two clamping blocks (15); the middle part of the swing arm (16) is rotatably connected to a bracket (19); the lower end of the swing arm (16) is rotatably connected to the end of the cross bar (17); the middle part of the cross bar (17) is connected to the end of the piston rod of the cylinder three (18); the cylinder body of the cylinder three (18) is connected to the bracket (19); and the upper end of the swing arm (16) is connected to the clamping block (15).

4. A screw chamfering machine according to claim 1, characterized in that: A guide plate (22) is also installed on the cylinder body of the second cylinder (24), and a guide rod (23) is vertically slidably connected to the guide plate (22), and the guide rod (23) is connected to the lifting plate (21).

5. The screw chamfering machine according to claim 3, characterized in that: An electric control box (26) is also installed on the frame (1), and the cylinder one (8), cylinder two (24), cylinder three (18) and rotary cylinder (20) are all electrically connected to the electric control box (26) through lines.

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