Positioning device for curved alloy steel saw blade

Abstract

The utility model discloses a positioning device for a curved alloy steel saw blade, which comprises a driving shaft lever, the outer wall of the driving shaft lever is welded with a positioning disc, the inner wall of the positioning disc is uniformly provided with stepped holes, the outer wall of the driving shaft lever is sleeved with the curved alloy steel saw blade, and the center position of the curved alloy steel saw blade is a center ring. The positioning device for the curved alloy steel saw blade relates to the technical field of positioning devices for the curved alloy steel saw blade, the curved alloy steel saw blade is installed on the outer wall of the driving shaft rod, and meanwhile the curved alloy steel saw blade is installed on the outer wall of the driving shaft rod, so that the curved alloy steel saw blade is fixed to the outer wall of the driving shaft rod. The contact area between the curved alloy steel saw blade and the positioning disc can be increased, and the anti-skid effect of the curved alloy steel saw blade is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a positioning device for curved alloy steel saw blade technical field, specifically a positioning device for curved alloy steel saw blade. BACKGROUND

[0002] In the actual processing process of the steel pipe, the long steel pipe needs to be cut into a fixed length of steel pipe by the curved alloy steel saw blade. The traditional saw blade structure is mostly installed and fixed by a single nut and the outer wall of the driving shaft. During the operation of the equipment, the pressure on the single nut is large, which can easily cause the nut to deform and be locked. It is not convenient to disassemble and replace the saw blade, and it is not convenient to work continuously and stably. SUMMARY

[0003] The utility model aims at providing a positioning device for curved alloy steel saw blade to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A positioning device for curved alloy steel saw blade, comprising a driving shaft rod, the outer wall of the driving shaft rod is welded to connect a positioning disc, the inner wall of the positioning disc is uniformly provided with a stepped hole, the outer wall of the driving shaft rod is sleeved to install a curved alloy steel saw blade, the center position of the curved alloy steel saw blade is a center ring, the outer wall of the center ring is welded to connect a stepped inserting rod, and the stepped inserting rod is connected in a matched plug-in mode with the stepped hole.

[0006] In a preferred embodiment of the utility model, a butt joint hole is formed in the inner center position of the center ring, a spline groove is formed in the inner wall of the butt joint hole, a spline is welded to the outer wall of the shaft rod, and the spline is connected in a matched plug-in mode with the spline groove.

[0007] In a preferred embodiment of the utility model, the outer wall of the positioning disc is connected to a non-slip gasket in a sleeved mode, and the outer wall of the center ring is in contact with the outer wall of the non-slip gasket.

[0008] In a preferred embodiment of the utility model, a screw hole is formed in the inner wall of the center position of the stepped inserting rod, and the end of the stepped inserting rod is flush with the outer wall of the positioning disc away from the gasket.

[0009] In a preferred embodiment of the utility model, the inner wall of the screw hole is threadedly connected to a screw rod, and the end cover of the screw rod is flush with the outer wall of the positioning disc.

[0010] In a preferred embodiment of the utility model, the outer wall of the curved alloy steel saw blade is uniformly provided with sawteeth around, the outer wall of the end of the driving shaft rod is threadedly connected to a nut, and the bottom end of the nut is pressed on the outer wall of the curved alloy steel saw blade.

[0011] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of the application.

[0012] 1. By setting the stepped plug rod and the stepped hole matching plug, the contact area between the curved alloy steel saw blade and the positioning disc can be improved when the curved alloy steel saw blade is installed on the outer wall of the driving shaft rod, and the curved alloy steel saw blade has the effect of improving the anti-skid function.

[0013] 2. By setting the spline groove and spline matching, the curved alloy steel saw blade can be double positioned when the curved alloy steel saw blade is installed, and the stability of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is a front view structure schematic diagram of a positioning device for a curved alloy steel saw blade.

[0016] Figure 2 It is a rear view structure schematic diagram of a positioning device for a curved alloy steel saw blade.

[0017] Figure 3 It is an exploded structure schematic diagram of a positioning device for a curved alloy steel saw blade.

[0018] Figure 4 It is a rear view structure schematic diagram of a saw blade in a positioning device for a curved alloy steel saw blade.

[0019] Figure 5 It is a positioning device for a curved alloy steel saw blade Figure 4 The enlarged structure schematic diagram of A in the middle;

[0020] Figure 6 It is a positioning plate structure schematic diagram in a positioning device for a curved alloy steel saw blade.

[0021] In the figure: driving shaft rod 100, positioning disc 110, anti-skid gasket 111, stepped hole 112, spline 120, screw rod 130, nut 140, curved alloy steel saw blade 200, saw blade 210, center ring 220, butt joint hole 230, spline groove 231, stepped plug rod 240, screw hole 241. DETAILED DESCRIPTION

[0022] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0023] Embodiment 1: as Figures 1-4 , including the drive shaft rod 100, the outer wall of the drive shaft rod 100 is welded to the positioning disc 110, the inner wall of the positioning disc 110 is uniformly provided with a stepped hole 112, the outer wall of the drive shaft rod 100 is sleeved and installed with a curved alloy steel saw blade 200, the center position of the curved alloy steel saw blade 200 is a center ring 220, the outer wall of the center ring 220 is welded to a stepped plug 240, and the stepped plug 240 is matched and plugged with the stepped hole 112.

[0024] The specific use scene of this embodiment is that: by setting the stepped plug 240 and the matched plug with the stepped hole 112, the contact area between the curved alloy steel saw blade 200 and the positioning disc 110 can be improved while the curved alloy steel saw blade 200 is installed on the outer wall of the drive shaft rod 100, the curved alloy steel saw blade 200 has the effect of improving the anti-skid function, by setting the spline groove 231 and the spline 120 for matched use, the curved alloy steel saw blade 200 can be double-positioned when the curved alloy steel saw blade 200 is installed, and the stability of the equipment is improved.

[0025] Embodiment 2: as Figures 3-6 , the inner center position of the center ring 220 is provided with a butt joint hole 230, the inner wall of the butt joint hole 230 is provided with a spline groove 231, the outer wall of the shaft rod 100 is welded to a spline 120, the spline 120 is matched and plugged with the spline groove 231, the outer wall of the positioning disc 110 is sleeved and connected with an anti-skid gasket 111, the outer wall of the center ring 220 is in contact with the outer wall of the anti-skid gasket 111, the inner wall center position of the stepped plug 240 is provided with a threaded hole 241, the end of the stepped plug 240 is flush with the outer wall of the positioning disc 110 away from the gasket 111, the inner wall of the threaded hole 241 is threadedly connected with a screw rod 130, and the end cover of the screw rod 130 is flush with the outer wall of the positioning disc 110.

[0026] The specific use scene of this embodiment is that: the butt joint hole 230 is arranged to sleevedly install the curved alloy steel saw blade 200 on the outer wall of the driving shaft rod 100, so that when the cutting equipment starts the servo motor to drive the driving shaft rod 100 to rotate, the curved alloy steel saw blade 200 can be driven to rotate synchronously, thereby cutting the object, the positioning disc 110 is arranged to increase the contact area between the curved alloy steel saw blade 200 and the driving shaft rod 100, thereby improving the anti-slip effect between the driving shaft rod 100 and the curved alloy steel saw blade 200, the anti-slip gasket 111 is arranged to improve the stability of the curved alloy steel saw blade 200, the screw hole 241 is arranged to cooperate with the installation screw rod 130, thereby facilitating the fastening connection between the curved alloy steel saw blade 200 and the positioning disc 110, and reducing the loosening effect between the curved alloy steel saw blade 200 and the driving shaft rod 100, the stepped plug rod 240 and the stepped hole 112 are arranged to cooperate with the plug-in connection, thereby connecting the curved alloy steel saw blade 200 and the driving shaft rod 100, and making the contact between the curved alloy steel saw blade 200 and the positioning disc 110 more stable, to a certain extent, avoiding the curved alloy steel saw blade 200 from slipping, improving the cutting precision of the curved alloy steel saw blade 200 during work, reducing the possibility of material edge explosion, and improving the stability of the equipment work.

[0027] In embodiment 3, the curved alloy steel saw blade 200 is provided with saw teeth 210 around the outer wall, the driving shaft rod 100 is provided with a threaded nut 140 at the outer wall of the end portion, and the bottom end of the threaded nut 140 is pressed on the outer wall of the curved alloy steel saw blade 200. Figure 3

[0028] The specific use scene of this embodiment is that: the curved alloy steel saw blade 200 is provided with saw teeth 210 on the outer wall, so that the curved alloy steel saw blade 200 has the ability to cut, the curved alloy steel saw blade 200 and the saw teeth 210 are of an integrated structure, and the threaded nut 140 is arranged to tightly press the curved alloy steel saw blade 200 on the outer wall of the positioning disc 110.

[0029] ​The working principle of the utility model is: the alloy curved saw blade 200 is sleeved and installed on the outer wall of the driving shaft 100, the butt joint hole 230 is sleeved on the outer wall of the end of the driving shaft 100, the spline groove 231 on the outer wall of the alloy curved saw blade 200 is matched and insertedly connected with the spline 120 of the outer wall of the driving shaft 100, the stepped inserting rod 240 is matched and insertedly connected with the inner wall of the stepped hole 112, the alloy curved saw blade 200 is vertically distributed with the driving shaft 100, the outer wall of the alloy curved saw blade 200 is attached to the outer wall of the positioning disc 110, then the threaded rod 130 is screwed on the screw hole 241 in the stepped inserting rod 240, the four threaded rods 130 are alternately and staggeredly tightened, then the nut 140 is matched and screwed with the head end outer wall of the driving shaft 100, the alloy curved saw blade 200 is double positioned and fixed during installation.

[0030] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A positioning device for curved alloy steel saw blade, comprising a driving shaft rod (100), the outer wall of the driving shaft rod (100) is welded with a positioning disc (110), characterized in that, The inner wall of the positioning disc (110) is uniformly provided with stepped holes (112), the outer wall of the driving shaft rod (100) is sleeved with a curved alloy steel saw blade (200), the center of the curved alloy steel saw blade (200) is provided with a center ring (220), the outer wall of the center ring (220) is welded with a stepped inserting rod (240), and the stepped inserting rod (240) is matched with the stepped hole (112) for inserting connection.

2. A positioning device for curved alloy steel saw blades according to claim 1, characterized in that The inner wall of the center ring (220) is provided with a butt joint hole (230) at the center position, the inner wall of the butt joint hole (230) is provided with a spline groove (231), the outer wall of the shaft rod (100) is welded with a spline (120), and the spline (120) is matched with the spline groove (231) for inserting connection.

3. A positioning device for curved alloy steel saw blades according to claim 2, characterized in that The outer wall of the positioning disc (110) is sleeved with an anti-skid pad (111), and the outer wall of the center ring (220) is in contact with the outer wall of the anti-skid pad (111).

4. A positioning device for curved alloy steel saw blades according to claim 3, characterized in that The inner wall of the stepped inserting rod (240) is provided with a threaded hole (241) at the center position, and the end of the stepped inserting rod (240) is flush with the outer wall of the positioning disc (110) away from the anti-skid pad (111).

5. A positioning device for curved alloy steel saw blades according to claim 4, characterized in that The inner wall of the threaded hole (241) is screwed with a screw rod (130), and the end cover of the screw rod (130) is flush with the outer wall of the positioning disc (110).

6. A positioning device for curved alloy steel saw blade as claimed in claim 1, wherein, The outer wall of the curved alloy steel saw blade (200) is uniformly provided with sawteeth (210), the end of the driving shaft rod (100) is screwed with a nut (140), and the bottom end of the nut (140) is pressed on the outer wall of the curved alloy steel saw blade (200).

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