CN105149673A - Manual slotting tool for lathe - Google Patents

Abstract

The invention discloses a manual slotting tool for a lathe, which comprises a base and a knife bar. The other end of the slotting cutter head is connected to a rocking rod; one end of the rocking rod is also flexibly connected to the base, and the rocking rod swings around the joint with the slotting tool rod; the base is fixed on the lathe, and the rocking rod swings to drive The inserting knife rod moves axially. The manual slotting tool for lathes provided by the present invention enables ordinary lathes or numerically controlled lathes to complete the slotting process of the keyway, and partially completes the original cutting function of the slotting machine, especially in single-piece or small-batch production conditions. Improve the efficiency of internal keyway processing and improve the production efficiency.

Description

Manual slotting tool for lathe

technical field

The invention relates to the technical field of slotting device design, in particular to a manual slotting tool for a lathe.

Background technique

Wheel parts such as common gears usually have a keyway in the inner hole, which is connected to the shaft through a key to transmit torque. The internal keyway usually needs to be processed on a special machine tool such as a keyway slotting machine. The keyway slotting machine is expensive and suitable for mass production. In single-piece or small-batch production, it is expensive to configure a dedicated keyway slotting machine, which is economically unfeasible. Therefore, how to use general-purpose equipment to process keyways is a technical issue worth studying.

Contents of the invention

The invention provides a manual slotting tool for a lathe, which includes a base and a knife-inserting tool bar, a through hole is arranged on the base, and the knife-inserting tool bar is penetrated in the through-hole; One end of the knife rod is provided with a slotting cutter head, and the other end is connected to a rocking rod; one end of the rocking rod is also movably connected to the base, and the rocking rod is wound around the The connecting part swings; the base is fixed on the lathe, and the rocking rod swings to drive the inserting tool rod to move axially.

Preferably, the inserting tool rod is installed in the through hole through a linear bearing.

Preferably, the side wall of the base parallel to the through hole is provided with a protruding structure for mounting on a tool holder of a lathe.

Preferably, a supporting seat is provided on the other side wall of the base parallel to the through hole, and one end of the rocking rod is connected to the base through a supporting rod, so that one end of the rocking rod is movably connected to the On the base; one end of the support rod is connected to the support seat, and the other end is connected to one end of the rocking rod, and the support rod can rotate relative to the support seat and the rocking rod.

Preferably, both ends of the support rod are provided with a first notch, and the ends of the support base and the rocking rod protrude into the first notches respectively, and are connected by pins.

Preferably, the other end of the inserting knife rod is provided with a second notch, and the rocking rod is horizontally placed in the second notch and connected by a pin.

Preferably, a handle is provided on the other end of the rocker.

Compared with the prior art, the present invention has the following advantages and positive effects due to the adoption of the above technical solutions:

The manual slotting tool for a lathe provided by the present invention enables an ordinary lathe or a numerically controlled lathe to complete the slotting process of the keyway, and partially completes the original cutting function of the slotting machine; It is said that reducing one processing equipment, especially in the case of single piece or small batch production, greatly improves the efficiency of internal keyway processing and improves the production efficiency.

Description of drawings

The above and other features and advantages of the present invention can be more clearly understood through the following detailed description in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation one of manual slotting tool for lathe provided by the present invention;

Fig. 2 is the second structural representation of the manual slotting tool for a lathe provided by the present invention;

Fig. 3 is a schematic diagram of retraction of the inserting knife rod of the present invention;

Fig. 4 is a schematic diagram of the protruding knife rod of the inserting knife according to the present invention.

Symbol Description:

1-base

101 - Raised structures

2-Linear bearing

3-slotted knife bar

31 - Second notch

4-support seat

5- Support rod

51 - first gap

6- rocker

7-handle

8- Slotting head

9, 10, 11 - pins.

Detailed ways

The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Please refer to Fig. 1-2, the present invention provides a manual slotting tool for a lathe, which can be installed on a general lathe, and the slotting function can be completed by manual operation, and is suitable for single-piece or small-batch production.

Specifically, the manual inserting tool includes a base 1, an inserting tool bar 3, and a rocker 6; the base 1 is rectangular as shown in Figure 1, and of course the base 1 can also be in other shapes, which will not be described here. Restriction; base 1 is provided with a through hole, inserting knife bar 3 is penetrated in the through hole, and both ends of inserting knife bar 3 all stretch out through hole; Inserting knife bar 3 and through hole are provided with The linear bearing 3 enables the large stem 3 of the insertion knife to move axially relative to the through hole.

One end of the slotting knife bar 3 is provided with a slotting cutter head 8, and the slotting cutter head 8 is arranged perpendicular to the axis of the slotting knife bar 3; A rocking bar 6; the other end of the inserting knife bar 3 is provided with a second notch 31, and the connection with the inserting knife bar 3 on the rocking bar 6 is processed to be the thickness matched with the second notch 31, as shown in Figure 2 As shown in , the rocking rod 6 crosses into the second notch 31 and is connected with the pin 10 to ensure that the rocking rod 6 can swing around the pin 10 .

One end of the rocking rod 6 is also installed on the outer side wall of the base through the support rod 5 and the support base 4, and the outer side wall is parallel to the through hole of the base 1; specifically, the support base 4 is composed of a base and a connecting part, The support base 4 is fixed to the outer side wall of the base 1 through the bottom of the base by means of screws, etc., the connecting part is vertically connected with the base 1, and the connecting part is perpendicular to the outer side wall of the base 1; the supporting rod 5 connects the supporting base 4 and the rocking rod 6, both ends of the support rod 5 are provided with a first notch 51; the thickness of the connection part of the support seat 4 matches the first notch 51 on one end of the support rod 5, and the connection part of the support seat 4 extends Enter the first notch 51 at one end of the support rod 5 and pass through the pin 9, the support rod 5 can rotate around the pin 9; one end of the rocking rod 6 is processed to the thickness matched with the first notch 51 at the other end of the support rod 5, One end of the rocking rod 6 protrudes into the first notch 51 at the other end of the supporting rod 5 and is connected by a pin 11 , so that the rocking rod 6 and the supporting rod 5 can rotate with each other. In the present invention, the inserting knife rod 3, the rocking rod 6, and the supporting rod 5 are connected by pins to form a straight guide rod structure, and pressure is applied to the other end of the rocking rod 6 to make the inserting knife rod 3 move axially. , calmly drives the slotting cutter head 8 on one end of the slotting tool bar 3 to move. Perform slotting.

In this embodiment, a handle 7 is provided on the other end of the rocking lever 6, so that the operator can hold it by hand to shake the rocking lever 6 to work.

In this embodiment, a protruding structure 101 is arranged on the side wall parallel to the through hole on the base 1, and the entire manual slotting tool is installed on the tool rest of the lathe through the protruding structure 101; A structure for fixing the cutter bar is provided, and the thickness of the raised structure 101 is designed to match the thickness of the existing structure for fixing the cutter bar in the present invention, so that the raised structure 10 can be directly installed on the cutter holder to realize fixing. Therefore, the specific structure of the protruding structure 101 can be designed according to the structure of the fixed tool post on the tool post of the lathe, which is not limited here.

In this embodiment, the inserting tool bar 3 and the rocking bar 6 can be made of Φ16 chrome-plated hard optical shaft material 55 steel, the base 1 and the support seat 4 can be made of LY11 duralumin, and the slotting head 8 can be made of W18Cr4V high-speed steel. Handle 7 can adopt nylon, and parts such as pin and the screw that is used for fixing can adopt standard parts A3 steel. Certainly, the materials used for each component are not limited to the above-mentioned ones, and can be set according to specific situations, and no limitation is set here.

The manual slotting tool for a lathe provided by the present invention enables an ordinary lathe or a numerically controlled lathe to complete the slotting process of the keyway, and partially completes the original cutting function of the slotting machine; It is said that reducing one processing equipment, especially in the case of single piece or small batch production, greatly improves the efficiency of internal keyway processing and improves the production efficiency.

Below with regard to the specific working process of manual slotting tool for lathe provided by the present invention, further explanation is made:

1. Install the manual slotting tool for the lathe on the tool holder of the lathe through the raised structure 101, and fix it;

2. Move the rocking lever 6 to the position shown in Figure 3. At this time, the inserting tool bar 3 is in the retracted state, and the machine tool holder is controlled to move to the inner hole of the workpiece (such as a wheel) to be processed;

3. Shake the rocking lever 6, and the inserting knife bar 3 is stretched out for slotting, as shown in Figure 4; then shake the rocking lever 6, so that the inserting knife bar 3 is retracted to complete one insertion;

4. Move the tool post on the lathe to feed 0.1mm in radial direction and then repeat step 3 until the keyway depth is machined in place.

To sum up, the present invention discloses a manual slotting tool for a lathe, which includes a base and a slotting knife bar. One end of the knife rod is provided with a slotting cutter head, and the other end is connected to a rocking rod; one end of the rocking rod is also movably connected to the base, and the rocking rod swings around the connection with the slotting knife rod; the base is fixed to the lathe , the rocking rod swings to drive the inserting knife rod to move axially. The manual slotting tool for lathes provided by the present invention enables ordinary lathes or numerically controlled lathes to complete the slotting process of the keyway, and partially completes the original cutting function of the slotting machine, especially in single-piece or small-batch production conditions. Improve the efficiency of internal keyway processing and improve the production efficiency.

It will be understood by those skilled in the art that the present invention may be embodied in many other specific forms without departing from its own spirit or scope. Although examples of the present invention have been described, it should be understood that the present invention should not be limited to these examples, and that changes and modifications may be made by those skilled in the art within the spirit and scope of the present invention as defined by the appended claims.

Claims (7)

1. A manual slotting tool for a lathe, characterized in that it comprises a base and a knife-inserting tool bar, the base is provided with a through hole, and the knife-inserting tool bar is penetrated in the through-hole; One end of the inserting knife rod is provided with a inserting cutter head, and the other end is connected to a rocking bar; one end of the rocking bar is also movably connected to the base, and the rocking bar is wound around the inserting knife The connecting part of the tool bar swings; the base is fixed on the lathe, and the rocking bar swings to drive the inserting tool bar to move axially. 2 . The manual slotting tool for a lathe according to claim 1 , wherein the slotting tool rod is installed in the through hole through a linear bearing. 3 . 3 . The manual inserting tool for lathe according to claim 1 , wherein a protruding structure for mounting on a lathe tool holder is provided on a side wall of the base parallel to the through hole. 4 . 4. The manual slotting tool for a lathe according to claim 1, wherein a supporting seat is provided on the other side wall of the base parallel to the through hole, and one end of the rocking rod is supported by The rod is connected to the base so that one end of the rocking rod is movably connected to the base; one end of the supporting rod is connected to the support seat, and the other end is connected to one end of the rocking rod, and the supporting rod is opposite to Both the support seat and the rocking bar can be rotated. 5. The manual slotting tool for lathe according to claim 4, characterized in that, both ends of the support rod are provided with a first notch, the end of the support seat, the end of the rocking rod Respectively protrude into the first notch, and realize the connection through the pin. 6. The manual slotting tool for a lathe according to claim 1, wherein a second notch is arranged on the other end of the inserting tool bar, and the rocking rod is placed horizontally in the second notch , and are connected via pins. 7. The manual slotting tool for lathes according to claim 1, wherein a handle is provided on the other end of the rocking lever.