Double-end 90-degree turning tool

Abstract

The utility model belongs to the technical field of turning tools, and particularly relates to a double-end 90-degree turning tool which comprises a tool body, a tool groove is formed in the upper portion of one end of the tool body, a fixing column is fixedly installed on the inner bottom face of the tool groove, a tool bit body is connected to the arc surface of the fixing column in a sliding and inserted mode, and the inclined face of the tool bit body makes contact with the inclined face of the tool groove in an extruding mode. The two tool bit bodies are symmetrically arranged on the two sides of the tool groove, and a matched locking mechanism is arranged on the outer side of one end of the tool body. According to the double-end 90-degree turning tool, the two tool bit bodies are symmetrically arranged on the two sides of the tool groove, so that the turning tool can conduct machining in two directions, a matched locking mechanism is arranged, bolts are not used for fixing the tool bit bodies, and the problem that tool bits are inconvenient to replace due to thread loosening of the heads of the bolts is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe tool technical field especially relates to a double -end 90 degree lathe tool. BACKGROUND

[0002] Lathe tool is used for cutting processing on lathe, it is used for processing the surface of rotating workpiece, such as cylindrical surface, conical surface, thread etc., and the types and shapes of lathe tool are various, can be selected according to the different processing requirements and workpiece materials.

[0003] The existing lathe of installing 35 degree tool bit is single -end tool, can only process one direction, and the installation of tool bit needs staff to use tool to tighten fixed bolt to carry out the fixation to tool bit, in the cutting process of lathe, needs to cooperate cutting fluid and carries out the cooling to tool bit, when cutting fluid and fixed bolt of fixed tool bit contact long time, will cause the surface of fixed bolt rust, makes the head groove of fixed bolt easy to slip tooth when replacing tool bit, makes the replacement of tool bit inconvenient. UTILITY MODEL CONTENTS

[0004] Based on the existing lathe is single -end tool and can only process one direction and the technical problem that the head of bolt is easy to rust and slip tooth when fixed, the utility model provides a double -end 90 degree lathe tool.

[0005] The utility model discloses a double -end 90 degree lathe tool, including the tool body, the upper portion of one end of the tool body is set with the tool groove, the inner bottom surface of the tool groove is fixedly installed with the fixed column, the circular arc surface of the fixed column is slidably connected with the tool head body, the bevel of the tool head body is extruded with the bevel of the tool groove, two tool head bodies are symmetrically arranged on both sides of the tool groove, and the one end outside of the tool body is provided with a cooperation locking mechanism.

[0006] Preferably, the cooperation locking mechanism includes a bottom plate, the upper surface of the bottom plate is fixedly connected with the lower surface of one end of the tool body, one end of the bottom plate is fixedly installed with a fixed block, the opposite surfaces of the two fixed blocks are rotatably connected with a rotating shaft one through a ball bearing, the two ends of the rotating shaft one extend out of one side of the two fixed blocks, the circular arc surface of the rotating shaft one is fixedly connected with an L-shaped fixed plate, the inner wall of one side of the L-shaped fixed plate is extruded with the side surface of one end of the tool body, and the inner wall of one side of the L-shaped fixed plate is extruded with the upper surface of the tool body and the upper surface of the tool head body.

[0007] Through the technical scheme, the L-shaped fixing plate can rotate around the rotating shaft, and when the inner side wall of the L-shaped fixing plate is in extrusion contact with the upper surface of the cutter body and the upper surface of the cutter head body, the L-shaped fixing plate can fix the cutter head body inserted on the fixing column, so that the cutter head body is stably machined.

[0008] Preferably, one end surface of the bottom plate is provided with a fixing hole one, one side surface of the L-shaped fixing plate is provided with a fixing hole two, and the upper surface of the cutter body is provided with a fixing hole three. The inner side walls of the fixing hole one, the fixing hole two and the fixing hole three are slidably inserted with fixing rods, and the upper parts of the two fixing rods are fixedly installed with pull plates.

[0009] Through the technical scheme, the pull plate is provided, and pulling the pull plate can drive the two fixing rods to move upward and slide out of the fixing hole one, the fixing hole two and the fixing hole three. The two sides of the fixing hole one, the fixing hole two and the fixing hole three are provided with limiting grooves, and the two sides of the fixing rod are provided with limiting blocks. The outer surface of the limiting block is slidably inserted with the inner side wall of the limiting groove, and the limiting groove can fix the limiting block, so that the fixing rod cannot rotate.

[0010] Preferably, the lower end of the fixing rod is provided with a rotating groove, and the two side inner walls of the rotating groove are fixedly connected with rotating shafts two. The circular arc surface of the rotating shaft two is rotatably connected with a limiting rod one through a ball bearing. One side surface of the limiting rod one is in extrusion contact with the lower surface of the bottom plate.

[0011] Through the technical scheme, the limiting rod one can rotate around the rotating shaft two, so that one side surface of the limiting rod two is in extrusion contact with the lower surface of the bottom plate, so that the pull plate cannot be pulled to move upward.

[0012] Preferably, the middle surface of the fixing rod is provided with a limiting hole, and the inner side walls of the two limiting holes are slidably inserted with limiting rods two. The lower surface of the limiting rod two is in extrusion contact with the upper surface of the L-shaped fixing plate. When the limiting rod one is in a horizontal position and the one side surface of the limiting rod one is in extrusion contact with the lower surface of the bottom plate, the limiting hole moves upward and slides out of the inner size of the L-shaped fixing plate, which is smaller than the outer frame size of the limiting rod two.

[0013] Through the technical scheme, the limiting rod two is provided. When the limiting rod one is in a horizontal position and the one side surface of the limiting rod one is in extrusion contact with the lower surface of the bottom plate, the limiting hole moves upward and slides out of the L-shaped fixing plate, which is slightly smaller than the insertion size of the limiting rod two. The limiting rod two is inserted into the two limiting holes, so that the limiting hole and the limiting rod two are in interference fit, so that the lower surface of the limiting rod two is in extrusion contact with the lower surface of the L-shaped fixing plate. The cooperation of the limiting rod one and the limiting rod two makes the L-shaped fixing plate keep extruding and fixing the cutter head body, so that the cutter head body is stably fixed in the cutter groove.

[0014] The beneficial effects of the utility model are:

[0015] Through setting the cutter groove, two fixed columns are arranged in the cutter groove, two cutter head bodies are respectively inserted into the two fixed columns, the two cutter head bodies are symmetrically arranged on the two sides of the cutter groove, the two directions can be processed, the cooperation locking mechanism is arranged, the bolt is not used to fix the cutter head body, the bolt head sliding tooth is avoided to cause the inconvenient cutter head replacement, the existing turning tool is single-head tool which can only process one direction and the bolt head is easy to rust and slide tooth when the bolt is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A schematic diagram of a double-head 90-degree turning tool is provided for the utility model;

[0017] Figure 2 A cutter head body structure perspective view of a double-head 90-degree turning tool is provided for the utility model;

[0018] Figure 3 A bottom plate structure perspective view of a double-head 90-degree turning tool is provided for the utility model;

[0019] Figure 4 A fixed rod structure perspective view of a double-head 90-degree turning tool is provided for the utility model;

[0020] Figure 5 A fixed hole one structure perspective view of a double-head 90-degree turning tool is provided for the utility model;

[0021] Figure 6 A rotating shaft one structure perspective view of a double-head 90-degree turning tool is provided for the utility model.

[0022] In the drawing: 1, cutter body; 2, cutter groove; 3, fixed column; 4, cutter head body; 5, bottom plate; 6, fixed block; 7, rotating shaft one; 8, L-shaped fixed plate; 9, fixed hole one; 10, fixed hole two; 11, fixed hole three; 12, fixed rod; 13, pull plate; 14, rotating groove; 15, rotating shaft two; 16, limiting rod one; 17, limiting hole; 18, limiting rod two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments.

[0024] Refer to Figures 1-6The utility model provides a double -end 90 degree turning tool, including the cutter body 1, the upper portion of one end of cutter body 1 is seted up with the cutter slot 2, the inner bottom surface of cutter slot 2 is fixedly installed with fixed column 3, the circular arc surface of fixed column 3 is slidably inserted with the cutter head body 4, the bevel of cutter head body 4 is extruded contact with the bevel of cutter slot 2, and two cutter head bodies 4 are symmetrically arranged on the both sides of cutter slot 2, and one end of cutter body 1 is provided with cooperation locking mechanism.

[0025] In order to the cutter head body 4 is fixed, set up cooperation locking mechanism, cooperation locking mechanism includes the bottom plate 5, the upper surface of bottom plate 5 is fixedly connected with the lower surface of one end of cutter body 1, and the one end of bottom plate 5 is fixedly installed with fixed block 6, and the opposite surface of two fixed blocks 6 is rotatably connected with the pivot one 7 through ball bearing, and the both ends of pivot one 7 extend to the one side of two fixed blocks 6, and the circular arc surface of pivot one 7 is fixedly connected with L type fixed plate 8, and the one side inner wall of L type fixed plate 8 is extruded contact with the side surface of one end of cutter body 1, and the one side inner wall of L type fixed plate 8 is extruded contact with the upper surface of cutter body 1 and the upper surface of cutter head body 4.

[0026] By setting L type fixed plate 8, L type fixed plate 8 can rotate around pivot one 7, when rotating to the inner wall of L type fixed plate 8 and the upper surface of cutter body 1 and the upper surface of cutter head body 4 are extruded contact, L type fixed plate 8 can fix the cutter head body 4 inserted on fixed column 3, so that the cutter head body 4 can be stably processed.

[0027] In order to make the fixed rod 12 stably inserted in fixed hole one 9 and fixed hole two 10, the one end surface of bottom plate 5 is seted up with fixed hole one 9, the one side surface of L type fixed plate 8 is seted up with fixed hole two 10, and the upper surface of cutter body 1 is seted up with fixed hole three 11, and the inner side wall of fixed hole one 9, fixed hole two 10 and fixed hole three 11 is slidably inserted with fixed rod 12, and the upper portion of two fixed rods 12 is fixedly installed with pull plate 13, by setting pull plate 13, pulling pull plate 13 can drive two fixed rods 12 to move up and slide out of fixed hole one 9, fixed hole two 10 and fixed hole three 11, and the both sides of fixed hole one 9, fixed hole two 10 and fixed hole three 11 are provided with limiting slot, and the both sides of fixed rod 12 are provided with limiting block, the outer surface of limiting block is slidably inserted with the inner side wall of limiting slot, and limiting slot can fix limiting block, so that fixed rod 12 cannot rotate.

[0028] In order to make the fixed rod 12 to L type fixed plate 8 locking and fixing, the lower end of the fixed rod 12 is provided with rotating groove 14, the two sides of the inner wall of rotating groove 14 are fixedly connected with shaft two 15, the circular surface of shaft two 15 is rotatably connected with limiting rod one 16 through the ball bearing, one side surface of limiting rod one 16 is in extrusion contact with the lower surface of bottom plate 5; by setting limiting rod one 16, limiting rod one 16 can rotate around shaft two 15, so that one side surface of limiting rod two 18 is in extrusion contact with the lower surface of bottom plate 5, so that the pull plate 13 cannot pull the fixed rod up.

[0029] In order to make the fixed rod 12 to L type fixed plate 8 locking and fixing, the lower end of the fixed rod 12 is provided with rotating groove 14, the two sides of the inner wall of rotating groove 14 are fixedly connected with shaft two 15, the circular surface of shaft two 15 is rotatably connected with limiting rod one 16 through the ball bearing, one side surface of limiting rod one 16 is in extrusion contact with the lower surface of bottom plate 5; by setting limiting rod one 16, limiting rod one 16 can rotate around shaft two 15, so that one side surface of limiting rod two 18 is in extrusion contact with the lower surface of bottom plate 5, so that the pull plate 13 cannot pull the fixed rod up.

[0030] By setting limiting rod two 18, when limiting rod one 16 is in horizontal position and one side surface of limiting rod one 16 is in extrusion contact with the lower surface of bottom plate 5, limiting hole 17 moves upward and slides out of the inner size of L type fixed plate 8 which is slightly smaller than the outer frame size of limiting rod two 18. The limiting rod two 18 is inserted into the two limiting holes 17, so that the limiting hole 17 and the limiting rod two 18 produce interference fit, so that the lower surface of limiting rod two 18 is in extrusion contact with the lower surface of L type fixed plate 8. The limiting rod one 16 and the limiting rod two 18 cooperate to make the L type fixed plate 8 keep extruding and fixing the tool bit body 4, so that the tool bit body 4 is stably fixed in the tool groove 2.

[0031] Working principle: firstly, two cutter head bodies 4 are inserted into two fixed columns 3 respectively, and the inclined surface of the cutter head body 4 is in extrusion contact with the inner side wall inclined surface of the cutter groove 2, the L-shaped fixed plate 8 is rotated, the inner side wall of the L-shaped fixed plate 8 is in extrusion contact with the upper surface of the cutter head body 4 and the upper surface of the cutter body 1, the cutter head body 4 is extruded and fixed, two fixed rods 12 are inserted into the fixed hole one 9, the fixed hole two 10 and the fixed hole three, the fixed rod 12 is inserted completely, the lower surface of the pull plate 13 is in contact with the upper surface of the L-shaped fixed plate 8, at this time, the limiting rod one 16 is placed horizontally by rotating, the fixed rod 12 is moved upward by pulling the pull plate 13, the upper surface of the limiting rod one 16 is in extrusion contact with the lower surface of the bottom plate 5, at this time, the limiting rod two 18 is inserted into two limiting holes 17, the limiting hole 17 and the limiting rod two 18 are in interference fit, the lower surface of the limiting rod two 18 is in extrusion contact with the upper surface of the L-shaped fixed plate 8, the limiting rod one 16 and the limiting rod two 18 are locked by mutual cooperation, the L-shaped fixed plate 8 stably locks and fixes the cutter head body 4, when the cutter head body 4 needs to be replaced, the limiting rod two 18 is slowly taken out of the limiting hole 17 by using a hammer to knock the end surface of the limiting rod two 18, then the fixed rod 12 is moved downward by pressing the pull plate 13, the lower surface of the pull plate 13 is in contact with the upper surface of the L-shaped fixed plate 8, at this time, the limiting rod one 16 is in a vertical state by rotating, the two fixed rods 12 are moved away from the fixed hole one 9, the fixed hole two 10 and the fixed hole three 11 by pulling the pull plate 13, the L-shaped fixed plate 8 is rotated, and the L-shaped fixed plate 8 is released from the extrusion fixing of the cutter head body 4, so that the cutter head body 4 is disassembled and replaced.

[0032] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A double-end 90° turning tool comprising a tool body (1), characterized in that: The upper end of the cutter body (1) is provided with a cutter slot (2), the inner bottom surface of the cutter slot (2) is fixedly provided with a fixed column (3), the circular surface of the fixed column (3) is slidingly connected with a cutter head body (4), the inclined surface of the cutter head body (4) is in extrusion contact with the inclined surface of the cutter slot (2), two cutter head bodies (4) are symmetrically arranged on the two sides of the cutter slot (2), and the outer side of the one end of the cutter body (1) is provided with a cooperation locking mechanism.

2. The double-end 90° turning tool according to claim 1, characterized in that: The cooperation locking mechanism comprises a bottom plate (5), the upper surface of the bottom plate (5) is fixedly connected with the lower surface of the one end of the cutter body (1), one end of the bottom plate (5) is fixedly provided with a fixed block (6), the opposite surfaces of the two fixed blocks (6) are rotatably connected with a rotating shaft (7) through a ball bearing, the two ends of the rotating shaft (7) penetrate through and extend out of one side of the two fixed blocks (6), and the circular surface of the rotating shaft (7) is fixedly connected with an L-shaped fixed plate (8).

3. A double end 90° turning tool according to claim 2, characterized in that: The inner wall of one side of the L-shaped fixed plate (8) is in extrusion contact with the side surface of the one end of the cutter body (1), and the inner wall of one side of the L-shaped fixed plate (8) is in extrusion contact with the upper surface of the cutter body (1) and the upper surface of the cutter head body (4).

4. The double-end 90° turning tool according to claim 2, characterized in that: The surface of one end of the bottom plate (5) is provided with a fixed hole (9), the surface of one side of the L-shaped fixed plate (8) is provided with a fixed hole (10), and the upper surface of the cutter body (1) is provided with a fixed hole (11); the inner side walls of the fixed hole (9), the fixed hole (10) and the fixed hole (11) are slidingly connected with a fixed rod (12), and the upper parts of the two fixed rods (12) are fixedly provided with a pull plate (13).

5. A double end 90° turning tool according to claim 4, characterized in that: The lower end of the fixed rod (12) is provided with a rotating groove (14), the inner walls of the two sides of the rotating groove (14) are fixedly connected with a rotating shaft (15), the circular surface of the rotating shaft (15) is rotatably connected with a limiting rod (16) through a ball bearing, and the surface of one side of the limiting rod (16) is in extrusion contact with the lower surface of the bottom plate (5).

6. A double end 90° turning tool according to claim 5 wherein: The middle surface of the fixed rod (12) is provided with a limiting hole (17), the inner side walls of the two limiting holes (17) are slidingly connected with a limiting rod (18), the lower surface of the limiting rod (18) is in extrusion contact with the upper surface of the L-shaped fixed plate (8), and when the limiting rod (16) is in a horizontal position and the surface of one side of the limiting rod (16) is in extrusion contact with the lower surface of the bottom plate (5), the limiting hole (17) moves upward and slides out of the inner dimension of the L-shaped fixed plate (8), which is smaller than the outer frame dimension of the limiting rod (18).

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