Peeling cutter head of centerless lathe

Abstract

The utility model discloses a peeling cutterhead of a centerless lathe, which belongs to the technical field of centerless lathes and comprises a top box and a peeling cutterhead main body, a middle groove is arranged at the top of the top box, a middle block is fixedly connected to the bottom surface of the peeling cutterhead main body, and the bottom end of the middle block penetrates through the middle groove and extends to an inner cavity of the top box. Clamping grooves are formed in the two sides of the bottom end of the middle block correspondingly. According to the peeling cutter head, the clamping block is driven to be inserted into the clamping groove in the side portion of the middle block through thread fit between the two-way lead screw and the two clamping plates, so that connection between the top box and the peeling cutter head body is achieved, the end portion of the butterfly screw is installed in one screw hole in a threaded mode by rotating the butterfly screw, and therefore the rotary disc and the top box are fixed. And the position between the two-way screw rod and the clamping plate is fixed, so that the stability of connection between the top box and the peeling cutter head main body is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of centerless lathes, and in particular to a peeling cutter disc of a centerless lathe. Background Art

[0002] The centerless lathe is a high-speed, efficient cutting machine tool for continuous roughing and finishing of the outer cylindrical surfaces of long metal bars, seamless thick-walled pipes, etc. It can economically remove the decarburized layer and cracks on the surface of bars and pipes, thereby producing bright steel with no surface defects, high dimensional accuracy and surface roughness.

[0003] After searching, the utility model patent with announcement number CN216325142U discloses a peeling cutter disc of a centerless lathe, including a top box, a vertical sleeve is fixed to the middle section of the outer bottom wall of the top box, a peeling cutter disc body is movably provided on the outer top wall of the top box, a square middle hole is opened in the middle position of the top wall of the top box, a middle block is fixed in the middle position of the bottom end of the peeling cutter disc body, the middle block is movably arranged inside the middle hole, side grooves are opened on the side walls on both sides of the middle block located inside the top box, vertical side panels are slidably connected on both sides of the inner bottom wall of the top box, horizontal side columns are fixed on the side walls of the two side panels close to each other, and the sides of the two side columns close to each other are movably arranged inside the two side grooves respectively; the patent has an ingenious structure and the disassembly steps are relatively quick, which can reduce the workload of maintenance workers and is conducive to improving maintenance efficiency. It is firmly installed and can prevent the peeling cutter disc of the centerless lathe from falling off.

[0004] However, the above patent still has the following disadvantages: after the screw rod and the plate are driven to move down and fix the cutter disc by the threaded fit between the screw rod and the plate, the screw rod and the plate are not well fixed, and the screw rod and the plate are easy to loosen, thereby affecting the fixing stability of the cutter disc. For this reason, we propose a peeling cutter disc for a centerless lathe. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a peeling cutter disc for a centerless lathe.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A peeling cutter disc for a centerless lathe comprises a top box and a peeling cutter disc main body, a middle groove being provided on the top of the top box, a middle block being fixedly connected to the bottom surface of the peeling cutter disc main body, the bottom end of the middle block passing through the middle groove and extending to the inner cavity of the top box, card slots being respectively provided on both sides of the bottom end of the middle block, a two-way screw rod being rotatably connected to the inner cavity of the top box, card plates being threadedly sleeved on the outer sides of the two ends of the two-way screw rod, card blocks being fixedly connected on the inner sides of the two card plates, and the ends of the two card blocks being movably sleeved on the inner cavity of the card slots, a plurality of screw holes being provided on the outer side of the top box, one end of the two-way screw rod extending to the outside of the top box and fixedly connected to a turntable, a butterfly screw being threadedly sleeved on the turntable, the end of the butterfly screw being threadedly installed to the inner cavity of a screw hole, and a fixing mechanism being provided on the turntable.

[0008] As a preferred solution of the utility model, the fixing mechanism includes a fixed base fixedly connected to the outside of the turntable, a spring is fixedly connected to the side of the fixed base, a U-shaped fork is fixedly connected to the end of the spring, the U-shaped fork and the fixed base are movably connected, the end of the U-shaped fork is movably connected to the outside of the tail end of the butterfly screw, and the other end of the U-shaped fork is fixedly connected to a pull ring.

[0009] As a preferred solution of the utility model, a slot is provided on the top surface of the top box, and an insert block is provided on the bottom surface of the peeling knife disc body. The bottom end of the insert block is movably connected to the inner cavity of the slot, and the inner wall of the slot fits with the outer side surface of the insert block.

[0010] As a preferred solution of the utility model, two sliding rods are fixedly sleeved in the inner cavity of the top box, and the sliding rods are movably sleeved with the clamping plate.

[0011] As a preferred solution of the utility model, a sleeve is fixedly connected to the bottom surface of the top box, and a plurality of bolts are threadedly sleeved on the outer side of the sleeve.

[0012] As a preferred solution of the utility model, the outer side surface of the clamping block is in contact with the inner wall of the clamping slot, and the inner wall of the middle slot is in contact with the outer side surface of the middle block.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the utility model, the threaded cooperation between the bidirectional screw and the two clamping plates drives the clamping block to be inserted into the clamping groove on the side of the middle block, thereby realizing the connection between the top box and the peeling cutter disc body, and by rotating the butterfly screw, the end of the butterfly screw is threadedly installed in a screw hole, thereby fixing the turntable and the top box, and then fixing the position between the bidirectional screw and the clamping plate, thereby ensuring the stability of the connection between the top box and the peeling cutter disc body.

[0015] (2) In the utility model, after the butterfly screw fixes the turntable and the top box, the elastic force of the spring is used to drive the end of the U-shaped fork to be clamped on the outer side of the rear end of the butterfly screw, and the U-shaped fork is used to prevent the butterfly screw from rotating, thereby fixing the butterfly screw, and further strengthening the fixation between the bidirectional screw rod and the clamping plate, thereby improving the working quality of the peeling cutter disc of the centerless lathe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an exploded view of the overall structure of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the top box of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the turntable of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Top box; 2. Peeling knife disc body; 3. Middle groove; 4. Bidirectional screw; 5. Clamp plate; 6. Clamp block; 7. Middle block; 8. Clamp slot; 9. Screw hole; 10. Turntable; 11. Butterfly screw; 12. Fixing mechanism; 13. Fixed base; 14. Spring; 15. U-shaped fork; 16. Pull ring; 17. Slot; 18. Insert block; 19. Casing; 20. Bolt; 21. Slide rod. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Example:

[0027] See also Figure 1-5 A peeling cutter disc for a centerless lathe comprises a top box 1 and a peeling cutter disc main body 2. A middle groove 3 is provided on the top of the top box 1. A middle block 7 is fixedly connected to the bottom surface of the peeling cutter disc main body 2. The bottom end of the middle block 7 passes through the middle groove 3 and extends to the inner cavity of the top box 1. Slots 8 are respectively provided on both sides of the bottom end of the middle block 7. A bidirectional screw rod 4 is rotatably connected to the inner cavity of the top box 1. Card plates 5 are respectively threadedly sleeved on the outer sides of the two ends of the bidirectional screw rod 4. Card blocks 6 are fixedly connected to the inner cavity of the card slot 8 on the inner side of the two card plates 5. The ends of the two card blocks 6 are respectively movably sleeved to the inner cavity of the card slot 8. A plurality of screw holes 9 are provided on the outer side of the top box 1. One end of the bidirectional screw rod 4 extends to the outside of the top box 1 and is fixedly connected to a turntable 10. A butterfly screw 11 is threadedly sleeved on the turntable 10. The end of the butterfly screw 11 is threadedly installed to the inner cavity of a screw hole 9. A fixing mechanism 12 is provided on the turntable 10.

[0028] In this embodiment, the plurality of screw holes 9 are arranged in a circle with the axis of the bidirectional screw rod 4 as a circle.

[0029] For details, please refer to Figure 1 and Figure 5 The fixing mechanism 12 includes a fixing base 13 fixedly connected to the outside of the turntable 10, a spring 14 is fixedly connected to the side of the fixing base 13, a U-shaped fork 15 is fixedly connected to the end of the spring 14, the U-shaped fork 15 and the fixing base 13 are movably sleeved, the end of the U-shaped fork 15 is movably sleeved to the outside of the tail end of the butterfly screw 11, and the other end of the U-shaped fork 15 is fixedly connected to a pull ring 16.

[0030] In this embodiment, the elastic force of the spring 14 is used to drive the end of the U-shaped fork 15 to be stuck on the outer side of the rear part of the butterfly screw 11, so as to prevent the butterfly screw 11 from loosening, thereby ensuring the stability of the butterfly screw 11 and the screw hole 9 in fixing the turntable 10 and the bidirectional screw rod 4.

[0031] For details, please refer to Figure 2 and Figure 4A slot 17 is provided on the top surface of the top box 1, and an insert block 18 is provided on the bottom surface of the peeling knife disc body 2. The bottom end of the insert block 18 is movably connected to the inner cavity of the slot 17, and the inner wall of the slot 17 and the outer side surface of the insert block 18 are in contact with each other.

[0032] In this embodiment, the connection strength between the top box 1 and the peeling blade disc body 2 is ensured by the cooperation of the slot 17 and the insert block 18, and the transmission strength between the top box 1 and the peeling blade disc body 2 is ensured at the same time.

[0033] For details, please refer to Figure 3 The inner cavity of the top box 1 is fixedly sleeved with two slide bars 21, and the slide bars 21 and the clamping plate 5 are movably sleeved.

[0034] In this embodiment, the clamping plate 5 is moved by the movable sleeve connection between the slide rod 21 and the clamping plate 5 , so that the clamping plate 5 can only move along the axial direction of the bidirectional screw rod 4 .

[0035] For details, please refer to Figure 3 A sleeve 19 is fixedly connected to the bottom surface of the top box 1, and a plurality of bolts 20 are threadedly sleeved on the outer side of the sleeve 19.

[0036] In this embodiment, the top box 1 is installed on the outer ring of the driving shaft of the centerless lathe through the cooperation of the sleeve 19 and the bolt 20.

[0037] For details, please refer to Figure 2 and Figure 3 The outer side surface of the card block 6 is in contact with the inner wall of the card slot 8, and the inner wall of the middle slot 3 is in contact with the outer side surface of the middle block 7.

[0038] In this embodiment, the stability of the card block 6 inserted into the card slot 8 is ensured by the fit between the side of the card block 6 and the inner wall of the card slot 8. In addition, the fit between the inner wall of the middle groove 3 and the side of the middle block 7 ensures the stability between the middle block 7 and the top box 1.

[0039] Working principle: When in use, first fix the top box 1 on the outer ring of the driving shaft of the centerless lathe through the sleeve 19 and the bolt 20, and insert the middle block 7 on the peeling cutter head body 2 into the middle groove 3 on the top box 1, and insert the end of the middle block 7 into the inner cavity of the top box 1, then rotate the turntable 10 to drive the bidirectional screw rod 4 to rotate, and use the threaded cooperation between the bidirectional screw rod 4 and the two clamping plates 5 to drive the clamping block 6 on the inner side of the two clamping plates 5 to insert into the clamping groove 8 on the side of the middle block 7, and then rotate the butterfly screw 11 to make its end thread It is installed in the inner cavity of a screw hole 9 to fix the turntable 10 and the top box 1, and then fix the position between the two-way screw rod 4 and the clamping plate 5. At the same time, the wrench at the rear end of the turntable 10 is set to be horizontal with the U-shaped fork 15. Finally, the elastic force of the spring 14 is used to drive the end of the U-shaped fork 15 to be stuck on the outer side of the rear end of the butterfly screw 11. The U-shaped fork 15 is used to prevent the butterfly screw 11 from rotating, and then the butterfly screw 11 is fixed, and the fixation between the two-way screw rod 4 and the clamping plate 5 is further strengthened.

[0040] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A peeling cutter disc for a centerless lathe, comprising a top box (1) and a peeling cutter disc body (2), characterized in that: The top of the top box (1) is provided with an intermediate groove (3), the bottom surface of the peeling knife disc body (2) is fixedly connected with an intermediate block (7), the bottom end of the intermediate block (7) passes through the intermediate groove (3) and extends to the inner cavity of the top box (1), and the two sides of the bottom end of the intermediate block (7) are respectively provided with a clamping groove (8), the inner cavity of the top box (1) is rotatably connected with a bidirectional screw rod (4), the outer sides of the two ends of the bidirectional screw rod (4) are respectively threadedly sleeved with clamping plates (5), and the inner sides of the two clamping plates (5) are fixed A clamping block (6) is connected, and the ends of the two clamping blocks (6) are respectively movably sleeved into the inner cavity of the clamping slot (8), and a plurality of screw holes (9) are opened on the outer side of the top box (1), and one end of the bidirectional screw rod (4) extends to the outside of the top box (1) and is fixedly connected to a turntable (10), and a butterfly screw (11) is threadedly sleeved on the turntable (10), and the end of the butterfly screw (11) is threadedly installed in the inner cavity of a screw hole (9), and a fixing mechanism (12) is provided on the turntable (10).

2. The peeling cutter disc of a centerless lathe according to claim 1, characterized in that: The fixing mechanism (12) comprises a fixing base (13) fixedly connected to the outside of the turntable (10), a spring (14) fixedly connected to the side of the fixing base (13), a U-shaped fork (15) fixedly connected to the end of the spring (14), the U-shaped fork (15) and the fixing base (13) are movably sleeved, the end of the U-shaped fork (15) is movably sleeved to the outside of the tail end of the butterfly screw (11), and the other end of the U-shaped fork (15) is fixedly connected to a pull ring (16).

3. The peeling cutter disc of a centerless lathe according to claim 1, characterized in that: The top surface of the top box (1) is provided with a slot (17), and the bottom surface of the peeling blade disc body (2) is provided with an insert block (18). The bottom end of the insert block (18) is movably connected to the inner cavity of the slot (17), and the inner wall of the slot (17) and the outer side surface of the insert block (18) are in contact with each other.

4. The peeling cutter disc of a centerless lathe according to claim 1, characterized in that: Two sliding rods (21) are fixedly sleeved in the inner cavity of the top box (1), and the sliding rods (21) and the clamping plate (5) are movably sleeved.

5. The peeling cutter disc of a centerless lathe according to claim 1, characterized in that: The bottom surface of the top box (1) is fixedly connected with a sleeve (19), and the outer side of the sleeve (19) is threadedly sleeved with a plurality of bolts (20).

6. The peeling cutter disc of a centerless lathe according to claim 1, characterized in that: The outer side surface of the clamping block (6) is in contact with the inner wall of the clamping groove (8), and the inner wall of the middle groove (3) is in contact with the outer side surface of the middle block (7).

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