Bar cutting device for air valve machining

Abstract

The utility model discloses a bar cutting-off device for valve machining. The bar cutting-off device comprises a machining table, a mounting frame is connected to the machining table in a sliding mode, a cutter is rotationally connected to the inner side of the mounting frame, a fixing frame is arranged on one side of the cutter, and multiple sets of positioning conveying assemblies are arranged at one end of the fixing frame. A to-be-machined bar is clamped on the inner side of the positioning conveying assembly. The positioning conveying assembly comprises an outer U-shaped frame fixed to one end of the fixing frame, an inner U-shaped frame is slidably connected to the interior of the outer U-shaped frame, a second motor is fixedly connected to one side of the inner U-shaped frame, a push wheel is rotationally connected to the inner side of the inner U-shaped frame, one end of the second motor is connected with a shaft on one side of the push wheel, and a first positioning assembly and a second positioning assembly are arranged on the two sides of the push wheel correspondingly. The first positioning assembly and the second positioning assembly are the same in structure. According to the device, the stability of the to-be-machined bar in the cutting process is improved while automatic conveying of the to-be-machined bar is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve processing, in particular to a bar cutting device for valve processing. Background Art

[0002] The function of the valve is to input air into the engine and discharge the exhaust gas after combustion; from the engine structure, it is divided into intake valve and exhaust valve.

[0003] During the valve production process, the bar material needs to be cut. Currently, most of the bar materials are cut with a grinding wheel. During the cutting process, the conveying equipment is used to achieve feeding and cutting at the same time. Although the cutting efficiency is guaranteed, it is easy to cause instability of the bar material during the cutting process, so it needs to be improved. Utility Model Content

[0004] The utility model aims to provide a bar cutting device for valve processing, so as to solve the problem that the bar cutting and conveying is unstable and affects the cutting effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bar stock cutting device for valve processing, comprising a processing table, a mounting frame is slidably connected to the processing table, a cutter is rotatably connected to the inner side of the mounting frame, a fixed frame is arranged on one side of the cutter, a positioning and conveying assembly is arranged at one end of the fixed frame, and a plurality of positioning and conveying assemblies are arranged about one end of the fixed frame; a bar stock to be processed is clamped inside the positioning and conveying assembly;

[0006] The positioning and conveying assembly includes an outer U-shaped frame fixed to one end of the fixed frame, an inner U-shaped frame is slidably connected inside the outer U-shaped frame, a second motor is fixedly connected to one side of the inner U-shaped frame, a push wheel is rotatably connected to the inner side of the inner U-shaped frame, one end of the second motor is connected to the shaft of one side of the push wheel, and a first positioning assembly and a second positioning assembly are respectively arranged on both sides of the push wheel, and the first positioning assembly and the second positioning assembly have the same structure;

[0007] The second positioning component comprises a support spring and a first electromagnet arranged on the inner side of the inner U-shaped frame. One side of the support spring is connected to a positioning clamp block, and one side of the positioning clamp block is adsorbed on the push wheel.

[0008] Preferably, a slide groove is provided on the inner side of the outer U-shaped frame, a slider is fixedly connected to one side of the inner U-shaped frame, one end of the slider is inserted into the slide groove, and the inner U-shaped frame is slidably connected to the outer U-shaped frame through the slider.

[0009] Preferably, a hydraulic cylinder is fixedly connected to the outer wall of the outer U-shaped frame, and one end of the hydraulic cylinder is connected to the outer wall of the inner U-shaped frame.

[0010] Preferably, a wheel frame is provided on the inner side of the push wheel, a positioning clamp is provided on one side of the wheel frame, a second electromagnet is embedded in the positioning clamp, and the second electromagnets of the first positioning component and the second positioning component have opposite polarities.

[0011] Preferably, a groove is provided on the inner side of the inner U-shaped frame, and a support spring and a first electromagnet are fixedly connected inside the groove.

[0012] Preferably, the first electromagnet is located inside the support spring, and the polarity of the first electromagnet is opposite to that of the second electromagnet.

[0013] Preferably, a reciprocating screw assembly is provided on the top side of the processing table, a mounting frame is provided on the reciprocating screw assembly, one end of the mounting frame is fixedly connected to the first motor, and one end of the first motor shaft is connected to the shaft at one end of the cutter.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The device realizes automatic conveying of the bar material to be processed and improves the stability of the bar material cutting process.

[0016] (2) The device is provided with a plurality of positioning and conveying assemblies on a fixed frame, a push wheel is provided on the positioning and conveying assemblies, and a first positioning assembly and a second positioning assembly are respectively provided on both sides of the push wheel. When the push wheel stops rotating, the wheel frame of the push wheel can be clamped and fixed by the positioning clamping blocks of the first positioning assembly and the second positioning assembly, thereby ensuring the stability of the push wheel when it stops and avoiding the movement of the push wheel during the cutting of the bar to be processed.

[0017] (3) The device arranges the inner U-shaped frame of the outer wall of the push wheel inside the outer U-shaped frame, and the outer U-shaped frame is slidably connected to the inner U-shaped frame, so that the position of the inner U-shaped frame and the push wheel can be adjusted, thereby ensuring the clamping effect of the push wheel on the bar to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a bar cutting device for valve processing according to the utility model;

[0019] Figure 2 This is a cross-sectional view of an outer U-shaped frame of a bar cutting device for valve processing according to the utility model;

[0020] Figure 3 The utility model is a bar cutting device for valve processing Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 The utility model is a side view of the connection between the push wheel and the wheel frame of a bar cutting device for valve processing.

[0022] In the figure: 1. Cutter; 2. Mounting frame; 3. First motor; 4. Reciprocating screw assembly; 5. Processing table; 6. Fixed frame; 7. Positioning and conveying assembly; 71. Push wheel; 72. Inner U-shaped frame; 73. Sliding block; 74. Outer U-shaped frame; 75. Hydraulic cylinder; 76. Second motor; 77. First positioning assembly; 78. Second positioning assembly; 781. Positioning clamp; 782. Support spring; 783. First electromagnet; 784. Second electromagnet; 79. Wheel frame; 8. Bar to be processed. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a bar cutting device for valve processing, comprising a processing table 5, a mounting frame 2 is slidably connected to the processing table 5, a reciprocating screw assembly 4 is arranged on the top side of the processing table 5, the reciprocating screw assembly 4 is a prior art, the reciprocating screw assembly 4 is composed of a threaded rod, a screw slide, a fixed seat and a motor and other accessories, a mounting frame 2 is arranged on the reciprocating screw assembly 4, one end of the mounting frame 2 is fixedly connected to a first motor 3, one end of the first motor 3 shaft is connected to the shaft at one end of the cutter 1; this structure can drive the cutter 1 to rotate through the first motor 3 to facilitate cutting of the bar 8 to be processed; the reciprocating screw assembly 4 can drive the mounting frame 2 and the cutter 1 to move horizontally; the cutter 1 is rotatably connected to the inner side of the mounting frame 2, a fixed frame 6 is arranged on one side of the cutter 1, a positioning and conveying assembly 7 is arranged at one end of the fixed frame 6, and a plurality of groups of the positioning and conveying assembly 7 are arranged about one end of the fixed frame 6; the bar 8 to be processed is clamped on the inner side of the positioning and conveying assembly 7;

[0025] The positioning and conveying assembly 7 includes an outer U-shaped frame 74 fixed to one end of the fixed frame 6, a slide groove is provided on the inner side of the outer U-shaped frame 74, a slider 73 is fixedly connected to one side of the inner U-shaped frame 72, one end of the slider 73 is inserted in the slide groove, and the inner U-shaped frame 72 is slidably connected to the outer U-shaped frame 74 through the slider 73; this structure can improve the stability of the inner U-shaped frame 72 during movement by setting the slider 73; the outer wall of the outer U-shaped frame 74 is fixedly connected to a hydraulic cylinder 75, one end of the hydraulic cylinder 75 is connected to the outer wall of the inner U-shaped frame 72; this structure can push the inner U-shaped frame 74 through the hydraulic cylinder 75 2 slides inside the outer U-shaped frame 74, and the position of the push wheel 71 can be moved when the inner U-shaped frame 72 moves, so as to ensure that the push wheel 71 contacts the bar 8 to be processed; a wheel frame 79 is provided inside the push wheel 71, and a positioning clamp 781 is provided on one side of the wheel frame 79, and a second electromagnet 784 is embedded in the positioning clamp 781, and the polarities of the second electromagnets 784 of the first positioning assembly 77 and the second positioning assembly 78 are opposite; a groove is provided inside the inner U-shaped frame 72, and a support spring 782 and a first electromagnet 783 are fixedly connected inside the groove; this structure is in the first electromagnet 78 When the first electromagnet 783 is turned on, the first electromagnet 783 can be fixed by adsorption with the positioning clamp 781, so that the positioning clamp 781 is away from the wheel frame 79, so that the wheel frame 79 and the push wheel 71 can rotate normally; the first electromagnet 783 is located on the inner side of the support spring 782, and the first electromagnet 783 and the second electromagnet 784 have opposite polarities; in this structure, when the first electromagnet 783 is closed, the support spring 782 can support the positioning clamp 781 to fit on the surface of the wheel frame 79; by opening the first positioning assembly 77 and the second positioning assembly 78 on the wheel frame 79, the first positioning assembly 77 can be The positioning clamp block 781 of the second positioning assembly 78 is adsorbed and fixed on the outer wall of the wheel frame 79, which plays a role of clamping and fixing the wheel frame 79 to prevent the wheel frame 79 and the push wheel 71 from rotating; the inner U-shaped frame 74 is slidably connected to the inner U-shaped frame 72, one side of the inner U-shaped frame 72 is fixedly connected to the second motor 76, the inner side of the inner U-shaped frame 72 is rotatably connected to the push wheel 71, one end of the second motor 76 is connected to the shaft of one side of the push wheel 71, and the first positioning assembly 77 and the second positioning assembly 78 are respectively provided on both sides of the push wheel 71, and the first positioning assembly 77 and the second positioning assembly 78 have the same structure;

[0026] The second positioning component 78 includes a support spring 782 and a first electromagnet 783 arranged on the inner side of the inner U-shaped frame 72. A positioning clamp 781 is connected to one side of the support spring 782, and one side of the positioning clamp 781 is adsorbed on the push wheel 71. The second motor 76 of the device can drive the push wheel 71 to rotate, so that the push wheel 71 pushes the bar 8 to be processed to feed during the rotation process, thereby improving the feeding efficiency of the bar 8 to be processed. At the same time, the first positioning component 77 and the second positioning component 78 are respectively arranged on both sides of the push wheel 71. The push wheel 71 can be positioned and clamped by the first positioning component 77 and the second positioning component 78, thereby ensuring the stability of the bar 8 to be processed during the cutting process.

[0027] Working principle: When using the bar cutting device for valve processing, first insert the bar 8 to be processed into the inside of the wheel frame 79, then the second motor 76 drives the wheel frame 79 and the push wheel 71 to rotate, and the push wheel 71 pushes the bar 8 to be processed to move during the rotation, and the bar 8 to be processed approaches the cutter 1 during the movement, and at the same time, the first motor 3 drives the cutter 1 to rotate, and the reciprocating screw assembly 4 drives the cutter 1 and the mounting frame 2 to move horizontally, so that the cutter 1 cuts the bar 8 to be processed during the rotation process, and the first electromagnet 783 is in a closed state during the cutting process. At this time, the support spring 782 pushes the positioning clamp 781 to fit on one side of the wheel frame 79, and the second electromagnet 784 inside the positioning clamp 781 of the first positioning assembly 77 and the second positioning assembly 78 is turned on. At this time, the second electromagnet 784 of the first positioning assembly 77 and the second positioning assembly 78 is magnetically adsorbed, so that the wheel frame 79 and the push wheel 71 are clamped and fixed and cannot rotate, thereby ensuring the stability of the bar 8 to be processed during the cutting process.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bar cutting device for valve machining, comprising a machining table (5), characterized in that: The processing table (5) is slidably connected to a mounting frame (2), the inner side of the mounting frame (2) is rotatably connected to a cutter (1), a fixed frame (6) is provided on one side of the cutter (1), one end of the fixed frame (6) is provided with a positioning conveying assembly (7), and a plurality of positioning conveying assemblies (7) are provided on one end of the fixed frame (6); a bar material (8) to be processed is clamped on the inner side of the positioning conveying assembly (7); The positioning and conveying assembly (7) comprises an outer U-shaped frame (74) fixed to one end of the fixed frame (6), an inner U-shaped frame (72) is slidably connected inside the outer U-shaped frame (74), a second motor (76) is fixedly connected to one side of the inner U-shaped frame (72), a push wheel (71) is rotatably connected inside the inner U-shaped frame (72), one end of the second motor (76) is connected to a shaft on one side of the push wheel (71), and a first positioning assembly (77) and a second positioning assembly (78) are respectively provided on both sides of the push wheel (71), and the first positioning assembly (77) and the second positioning assembly (78) have the same structure; The second positioning assembly (78) includes a support spring (782) and a first electromagnet (783) arranged on the inner side of the inner U-shaped frame (72); one side of the support spring (782) is connected to a positioning clamp (781); and one side of the positioning clamp (781) is adsorbed on the push wheel (71).

2. The bar cutting device for valve machining according to claim 1, characterized in that: A sliding groove is provided on the inner side of the outer U-shaped frame (74); a slider (73) is fixedly connected to one side of the inner U-shaped frame (72); one end of the slider (73) is inserted into the sliding groove; the inner U-shaped frame (72) is slidably connected to the outer U-shaped frame (74) via the slider (73).

3. The bar cutting device for valve machining according to claim 1, characterized in that: The outer wall of the outer U-shaped frame (74) is fixedly connected to a hydraulic cylinder (75), and one end of the hydraulic cylinder (75) is connected to the outer wall of the inner U-shaped frame (72).

4. The bar cutting device for valve machining according to claim 1, characterized in that: A wheel frame (79) is provided on the inner side of the push wheel (71), a positioning clamp (781) is provided on one side of the wheel frame (79), a second electromagnet (784) is embedded in the positioning clamp (781), and the second electromagnets (784) of the first positioning assembly (77) and the second positioning assembly (78) have opposite polarities.

5. The bar cutting device for valve machining according to claim 1, characterized in that: A groove is provided on the inner side of the inner U-shaped frame (72), and a support spring (782) and a first electromagnet (783) are fixedly connected inside the groove.

6. The bar cutting device for valve machining according to claim 1, characterized in that: The first electromagnet (783) is located inside the support spring (782), and the first electromagnet (783) and the second electromagnet (784) have opposite polarities.

7. The bar cutting device for valve machining according to claim 1, characterized in that: A reciprocating screw assembly (4) is provided on the top side of the processing table (5), a mounting frame (2) is provided on the reciprocating screw assembly (4), one end of the mounting frame (2) is fixedly connected to a first motor (3), and one end of the shaft of the first motor (3) is connected to the shaft at one end of the cutter (1).

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