Tool rest for lathe

Abstract

The utility model discloses a lathe knife rest relates to lathe knife rest technical field, including fixed mount, bracing frame, adjusting slider, first fixed knot and guide bar, be equipped with bracing frame, adjusting slider and first fixed knot above the fixed mount, bracing frame left side is equipped with guide groove, bracing frame right side is equipped with spring and guide bar, and the guide bar is equipped with the spring. An adjusting lead screw, a reversing frame and a second fixing section are installed on the left side of the first fixing section, a reversing bolt, a bolt fixing hole and a tool bit inserting opening are arranged on the left side of the reversing frame, the reversing bolt provides a guiding function, the reversing frame deflects in the direction, the machining precision of equipment is improved, and a conical part is rapidly machined.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe tool rest technical field, concretely is a lathe tool rest. BACKGROUND

[0002] Tool rest is very important part of numerical control lathe. The number of cutting tools that can be installed on the tool rest of numerical control lathe is generally 4, 6, 8, 10, 12, 20 or 24 according to its function, but the existing lathe tool rest still has some deficiencies, for example:

[0003] The lathe tool rest disclosed in application No. CN201410060870.8 has a square overall structure, and the flexibility of the offset structure is limited during actual machining, especially during the machining of arc chamfer, the cutting head is easily damaged due to the cutting angle. SUMMARY

[0004] The utility model discloses a lathe tool rest to solve the above-mentioned prior art problems, and the overall structure of the equipment in the market is square, the flexibility of the offset structure is limited during actual machining, especially during the machining of arc chamfer, the cutting head is easily damaged due to the cutting angle.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lathe tool rest, comprising a fixed frame, a support frame, an adjusting sliding block, a first fixed joint and a guide rod.

[0006] The support frame, the adjusting sliding block and the first fixed joint are installed on the top of the fixed frame, the left side of the support frame is provided with a guide groove, the right side of the support frame is provided with a spring and a guide rod, the left side of the first fixed joint is provided with an adjusting screw rod, a reversing frame and a second fixed joint, and the left side of the reversing frame is provided with a reversing bolt, a bolt fixing hole and a cutting head socket.

[0007] As a preferred technical scheme of the utility model, the fixed frame is an inverted T-shaped structure, eight bolt interfaces are evenly arranged on the two sides of the fixed frame, and the support frame is fixedly connected to the right side of the upper surface of the fixed frame.

[0008] By evenly arranging eight bolt interfaces on the two sides of the fixed frame, the fixing points of the equipment can be effectively ensured, and the installation stability of the equipment is improved.

[0009] As a preferred technical scheme of the utility model, the support frame is an S-shaped structure, the guide groove is arranged on the left side of the support frame, the support frame is located on the right side of the center line of the fixed frame, and the center line of the left side of the fixed frame is parallel to the center line of the support frame.

[0010] Adopting the technical scheme, the equipment can provide the connection and positioning function on the left side of the support frame, and the right side of the support frame can provide the guiding support through the long rod.

[0011] As the preferred technical scheme of the utility model, the right side of the support frame is provided with a groove structure, a guiding rod is fixedly connected in the groove on the right side of the support frame, a spring is sleeved on the left side of the guiding rod, and the right side of the guiding rod is slidably connected with an adjusting sliding block.

[0012] Adopting the technical scheme, the spring on the left side of the guiding rod can push the adjusting sliding block out of contact with the first fixed node, so as to ensure the stability of the first fixed node and provide the limiting function to prevent the automatic deviation.

[0013] As the preferred technical scheme of the utility model, the right side of the support frame is rotatably connected with the first fixed node, the adjusting screw rod is threadedly connected above the first fixed node, the right side of the adjusting screw rod is in a T-shaped structure, and the left side of the adjusting screw rod is rotatably connected with the second fixed node.

[0014] Adopting the technical scheme, the adjusting screw rod is threadedly connected above the first fixed node, so that the self-locking characteristic of the screw rod can prevent the loosening of the adjusting screw rod, and the T-shaped structure of the right side of the adjusting screw rod is more in line with the ergonomic design, so as to ensure the adjusting efficiency of the equipment.

[0015] As the preferred technical scheme of the utility model, the lower side of the second fixed node is rotatably connected with the reversing frame, the left side of the reversing frame is rotatably connected with the fixed frame, and the left side of the fixed frame is fixedly connected with the reversing bolt.

[0016] Adopting the technical scheme, the reversing bolt provides the guiding function, so that the reversing frame deflects in the direction, improves the machining precision of the equipment, and quickly machines the conical part.

[0017] As the preferred technical scheme of the utility model, the reversing bolt is slidably connected with the guiding groove, the reversing frame is clamped between the fixed frame and the support frame, and a tool bit socket is formed in the left side of the reversing frame.

[0018] Adopting the technical scheme, the reversing frame is clamped between the fixed frame and the support frame, so as to ensure the sufficient movement space of the reversing frame, and a pair of bolt fixing holes are uniformly formed in the right side of the tool bit socket, so as to prevent the deviation of the tool bit and improve the machining precision of the equipment.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1、 the device can effectively guarantee the fixed point of the device by evenly opening eight bolt interfaces on both sides of the fixed frame, thereby improving the installation stability of the device;

[0021] 2、 the device can guarantee the connection and positioning function of the left side of the support frame, and the right side of the support frame can provide guiding support through the long rod by setting the support frame as an S-shaped structure;

[0022] 3、 the device can push the adjusting slider out of contact with the first fixed node by using the spring thrust on the left side of the guide rod, thereby guaranteeing the stability of the first fixed node and providing limiting to prevent automatic deviation;

[0023] 4、 the device can prevent the adjusting screw from loosening by using the self-locking characteristics of the screw, and the right side of the adjusting screw is a T-shaped structure that is more in line with ergonomic design, thereby guaranteeing the adjusting efficiency of the device;

[0024] 5、 the reversing bolt provides a guiding effect, so that the reversing frame deflects in the direction, thereby improving the machining precision of the device and quickly machining the conical part;

[0025] 6、 the device can guarantee the sufficient movement space of the reversing frame by clamping the reversing frame between the fixed frame and the support frame, and a pair of bolt fixing holes are evenly provided on the right side of the tool bit socket, thereby guaranteeing that the tool bit does not deviate and improving the machining precision of the device. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a side view structure schematic diagram of the utility model;

[0027] Figure 2 It is a second fixed node and reversing bolt connection structure schematic diagram of the utility model;

[0028] Figure 3 It is a bolt fixing hole and tool bit socket connection structure schematic diagram of the utility model;

[0029] Figure 4 It is a fixed frame and reversing frame connection structure schematic diagram of the utility model;

[0030] Figure 5 It is a top view structure schematic diagram of the utility model;

[0031] Figure 6 It is a side view structure schematic diagram of the adjusting slider of the utility model.

[0032] In the drawing: 1, fixed frame; 2, support frame; 3, adjusting slider; 4, first fixed node; 5, adjusting screw; 6, reversing frame; 7, guide groove; 8, second fixed node; 9, reversing bolt; 10, bolt fixing hole; 11, tool bit socket; 12, spring; 13, guide rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0034] Please refer to Figure 1 Figure 6 The technical scheme of the present application is: a tool rest for a lathe, comprising a fixing frame 1, a supporting frame 2, an adjusting sliding block 3, a first fixing joint 4, an adjusting screw 5, a reversing frame 6, a guide groove 7, a second fixing joint 8, a reversing bolt 9, a bolt fixing hole 10, a tool bit socket 11, a spring 12, and a guide rod 13.

[0035] ​The support frame 2 is provided with a guide groove 7 on the left side, the fixed frame 1 is an inverted T-shaped structure, and eight bolt interfaces are evenly arranged on the two sides of the fixed frame 1; the upper surface of the fixed frame 1 is fixedly connected with the support frame 2 on the right side; the device can effectively ensure the fixed point of the equipment, thereby improving the installation stability of the equipment; the support frame 2 is provided with a spring 12 and a guide rod 13 on the right side; the support frame 2 is an S-shaped structure, and the guide groove 7 is arranged on the left side of the support frame 2; the support frame 2 is located on the right side of the center line of the fixed frame 1, and the center line of the left side of the fixed frame 1 is parallel to the center line of the support frame 2; the device can provide connection and positioning on the left side of the support frame 2, and the right side of the support frame 2 can provide guiding support through the long rod; the first fixed joint 4 is provided with an adjusting screw 5, a reversing frame 6 and a second fixed joint 8 on the left side; the right side of the support frame 2 is provided with a groove structure, and the guide rod 13 is fixedly connected in the groove on the right side of the support frame 2; the guide rod 13 is sleeved with the spring 12 on the left side, and the adjusting sliding block 3 is slidingly connected with the guide rod 13 on the right side; the device can use the thrust of the spring 12 to push out the adjusting sliding block 3 to contact the first fixed joint 4, thereby ensuring the stability of the first fixed joint 4 and providing limiting to prevent automatic deviation; the first fixed joint 4 is rotatably connected with the support frame 2 on the right side; the adjusting screw 5 is threadedly connected with the first fixed joint 4 on the upper side; the right side of the adjusting screw 5 is a T-shaped structure, and the left side of the adjusting screw 5 is rotatably connected with the second fixed joint 8; the device can prevent the adjusting screw 5 from loosening by using the self-locking characteristic of the screw, and the right side of the adjusting screw 5 is a T-shaped structure, which is more in line with the ergonomic design, thereby ensuring the adjusting efficiency of the device; the reversing frame 6 is provided with a reversing bolt 9, a bolt fixing hole 10 and a tool bit socket 11 on the left side; the second fixed joint 8 is rotatably connected with the reversing frame 6 on the lower side, and the reversing frame 6 is rotatably connected with the fixed frame 1 on the left side; the fixed frame 1 is fixedly connected with the reversing bolt 9 on the left side; the reversing bolt 9 provides a guiding effect, so that the reversing frame 6 deflects in the direction, thereby improving the machining precision of the device and quickly machining the conical part; the reversing bolt 9 is slidingly connected with the guide groove 7; the reversing frame 6 is clamped between the fixed frame 1 and the support frame 2; the tool bit socket 11 is a circular structure, and a pair of bolt fixing holes 10 are evenly arranged on the right side of the tool bit socket 11; the device can ensure sufficient space for the reversing frame 6, and the right side of the tool bit socket 11 is evenly provided with a pair of bolt fixing holes 10, so that the tool bit does not deviate, thereby improving the machining precision of the device.

[0036] Working principle: in using a lathe tool holder, first fixed frame 1 is installed to the appropriate position, then the support frame 2 left side cylindrical protrusions with the center point of the workpiece alignment, then the tool bit can be installed, the internal chamfering operation of the tubular workpiece, the tool holder is pushed in the process, slowly rotating the adjusting screw 5, under the twist of adjusting screw 5 first fixed node 4 and second fixed node 8 distance from the opening, and in the process of reversing frame 6 around the fixed frame 1 slowly offset, and the tool bit will be in the process of offset, along the arc surface rotating chamfering operation.

[0037] The above merely preferred embodiments of the present application and are not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A lathe tool holder, comprising a fixed frame (1), a support frame (2), an adjusting sliding block (3), a first fixed joint (4) and a guide rod (13); Characterized in that: The fixed frame (1) is provided with a support frame (2), an adjusting sliding block (3) and a first fixed joint (4) above, the left side of the support frame (2) is provided with a guide groove (7), the right side of the support frame (2) is provided with a spring (12) and a guide rod (13), the left side of the first fixed joint (4) is provided with an adjusting screw (5), a reversing frame (6) and a second fixed joint (8), the left side of the reversing frame (6) is provided with a reversing bolt (9), a bolt fixing hole (10) and a tool bit socket (11).

2. A tool holder for a lathe according to claim 1, characterized in that The fixed frame (1) is an inverted T-shaped structure, and eight bolt interfaces are evenly arranged on both sides of the fixed frame (1), and the support frame (2) is fixedly connected to the right side of the upper surface of the fixed frame (1).

3. A tool holder for a lathe according to claim 2, characterised in that The support frame (2) is an S-shaped structure, and a guide groove (7) is formed in the left side of the support frame (2), the support frame (2) is located on the right side of the center line of the fixed frame (1), and the center line of the left side of the fixed frame (1) is parallel to the center line of the support frame (2).

4. A tool holder for a lathe according to claim 3, characterized in that The right side of the support frame (2) is provided with a groove structure, the guide rod (13) is fixedly connected in the groove on the right side of the support frame (2), the spring (12) is sleeved on the left side of the guide rod (13), and the guide rod (13) is slidably connected with the adjusting sliding block (3) on the right side.

5. A tool holder for a lathe according to claim 4, characterised in that The first fixed joint (4) is rotatably connected to the right side of the support frame (2), the adjusting screw (5) is threadedly connected above the first fixed joint (4), the adjusting screw (5) is T-shaped on the right side, and the adjusting screw (5) is rotatably connected with the second fixed joint (8) on the left side.

6. A tool holder for a lathe according to claim 5, characterized in that The second fixed joint (8) is rotatably connected with the reversing frame (6) below, the reversing frame (6) is rotatably connected with the fixed frame (1) on the left side, and the reversing bolt (9) is fixedly connected to the left side of the fixed frame (1).

7. A tool holder for a lathe according to claim 6, characterized in that The reversing bolt (9) is slidably connected with the guide groove (7), the reversing frame (6) is clamped between the fixed frame (1) and the support frame (2), and the tool bit socket (11) is formed in the left side of the reversing frame (6). The tool bit socket (11) is a circular structure, and a pair of bolt fixing holes (10) are evenly formed on the right side of the tool bit socket (11).

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