CN214769029U - Grooving cutter capable of processing excircle and end surface groove and lathe using grooving cutter - Google Patents

Abstract

The utility model discloses grooving cutter and use lathe of this grooving cutter of workable excircle and terminal surface slot, install two grooving tool bits on a handle of a knife and make the lathe tool of complex function, two grooving tool bits one is used for processing the excircle slot, one is used for processing the terminal surface slot; the lathe uses the grooving cutter, the number of the used cutters is unchanged, and the processing functions are increased, so that the number of the used lathes can be reduced, and the frequent disassembly of workpieces is avoided; or when a lathe is used for machining, the lathe does not need to be replaced, so that the quantity of the lathes is reduced, the production cost is reduced, the production efficiency is improved, and the machining quality is stable.

Description

Grooving cutter capable of processing excircle and end surface groove and lathe using grooving cutter

Technical Field

The utility model belongs to the technical field of lathe processing, a grooving cutter and the lathe of using this grooving cutter of workable excircle and terminal surface slot are related to.

Background

The lathe is a machine tool which mainly uses a turning tool to turn a rotating workpiece, the number of the turning tools arranged on a lathe tool rest is limited, and if the shape of the workpiece is complex, the number of the turning tools required to be used often exceeds the upper limit of the turning tools arranged on the lathe.

When a workpiece with a complex shape needs to process an excircle groove and an end face groove, an excircle grooving cutter and an end face grooving cutter are needed, when the number of turning tools needed for processing the workpiece exceeds the upper limit of the turning tools mounted on a lathe, the workpiece needs to be processed on a plurality of lathes, and the workpiece needs to be dismounted and then mounted on another lathe; or one of the grooving cutters is installed firstly, and after the corresponding groove is machined, the grooving cutter is detached and then the other grooving cutter is installed. The use of multiple lathes results in high production cost, time loss caused by replacement of workpieces or turning tools, reduced productivity, and unstable machining quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a subject lies in under the prerequisite that sets up the number that does not increase the lathe tool, makes the machining capacity of lathe increase, reduces and dismantles the work piece or dismantle the lathe tool to realize that production efficiency improves, lathe quantity subducts.

In order to solve the above problem, the utility model discloses in, two grooving tool bits are installed on a handle of a knife and are made complex function's lathe tool, and two grooving tool bits are used for processing excircle slot, one is used for processing terminal surface slot.

Grooving cutter capable of processing excircle and end face groove, and is characterized in that: the tool comprises a tool handle, a grooving tool bit and a bolt, wherein a boss is arranged on the head of the tool handle and connected with a tool handle body, a counter bore is arranged on the boss, and a threaded hole is arranged in the body corresponding to the counter bore; the head of the knife handle is provided with two clamping grooves for fixing a grooving knife head, one of the two clamping grooves is parallel to the knife handle, and the other clamping groove is vertical to the knife handle; the upper clamping surfaces of the clamping grooves are arranged below the bosses, and the lower clamping surfaces of the two clamping grooves are arranged on the body; the grooving tool bits are arranged in the clamping grooves, and the bolts penetrate through the counter bores on the bosses and are connected with the threaded holes of the body to clamp and fix the two grooving tool bits in the clamping grooves; the rear part of the grooving cutter head on the boss is provided with an inclined chip breaking surface.

Preferably, the joint of the boss and the body is provided with a pressure relief groove, and the inner side of the clamping groove is provided with the pressure relief groove to prevent stress concentration.

Preferably, the body is provided with two protruding support platforms, one of the two support platforms is parallel to the tool shank, the other support platform is perpendicular to the tool shank, and the lower clamping surfaces of the two clamping grooves extend to the support platforms.

Preferably, the rear part of the clamping groove parallel to the tool shank is provided with a limiting surface, when the grooving tool bit is installed, the cutting part faces outwards, and the other end of the grooving tool bit is attached to the limiting surface.

Preferably, when the grooving tool bit perpendicular to the shank is mounted, the cutting portion faces outward, and the other end of the grooving tool bit is attached to the grooving tool bit parallel to the shank.

The utility model also provides an use the lathe of above-mentioned slotting cutter, its slotting cutter mounting method is unanimous with prior art.

The utility model discloses grooving cutter of workable excircle and terminal surface slot because the lathe tool of compound function is made to two grooving tool bits of installation on a handle of a knife, is used for excircle slot machining with the grooving tool bit that the handle of a knife is parallel, is used for terminal surface slot machining with handle of a knife vertically grooving tool bit.

The lathe of the utility model uses the grooving cutter capable of processing the excircle and the end surface groove, two grooving cutter heads are arranged on one cutter handle to manufacture the turning tool with composite function, the number of the used cutters is unchanged, and the processing functions are increased, so that the number of the used lathes can be reduced, and the frequent disassembly of workpieces is avoided; or when a lathe is used for machining, the lathe does not need to be replaced, so that the quantity of the lathes is reduced, the production cost is reduced, the production efficiency is improved, and the machining quality is stable.

Drawings

Fig. 1 is an exploded perspective view of a grooving tool capable of processing an outer circle and an end groove provided in an embodiment of the present invention.

Fig. 2 is a perspective view of the embodiment shown in fig. 1.

Fig. 3 is a front view of the embodiment shown in fig. 1.

Fig. 4 is a top view of the embodiment shown in fig. 1.

Fig. 5 is a side view of the embodiment shown in fig. 1.

Fig. 6 is a schematic view of direction B in fig. 5.

Fig. 7 is a partial cross-sectional view taken at a-a in fig. 3.

In the figure: 1. a knife handle; 11. a body; 111a/111b, a support table; 112. a threaded hole; 12. a boss; 121. a counter bore; 122a/112b, chipbreaking; 13a/13b, a clamping groove; 14. a pressure reducing tank; 15. a limiting surface; 2a/2b, a grooving cutter head; 3. and (4) bolts.

Detailed Description

The technical solution in the embodiment of the present invention is described below with reference to fig. 1 to 7 of the drawings of the present invention.

In the figure 111a indicates a support table corresponding to a grooving head parallel to the shank, in the figure 111b indicates a support table corresponding to a grooving head perpendicular to the shank, in the figure 122a indicates a chip breaking surface corresponding to a grooving head parallel to the shank, in the figure 122b indicates a chip breaking surface corresponding to a grooving head perpendicular to the shank, in the figure 13a indicates a clamping groove corresponding to a grooving head parallel to the shank, in the figure 13b indicates a clamping groove corresponding to a grooving head perpendicular to the shank, in the figure 2a indicates a grooving head parallel to the shank, and in the figure 2b indicates a grooving head perpendicular to the shank.

The grooving cutter capable of processing the excircle and end face grooves comprises a cutter handle 1, a grooving cutter head 2 and a bolt 3, wherein a boss 12 is arranged on the head of the cutter handle 1, the boss 12 is connected with a body 11, a counter bore 121 is arranged on the boss 12, and a threaded hole 112 is arranged on the body 11 at a position corresponding to the counter bore 121; the head of the tool shank 1 is provided with two clamping grooves 13 for fixing the grooving tool bit 2, the clamping grooves 13a are parallel to the tool shank 1, and the clamping grooves 13b are perpendicular to the tool shank 1; the upper clamping surfaces of the clamping grooves 13 are arranged below the bosses 12, and the lower clamping surfaces of the two clamping grooves 13 are arranged on the body 11; the grooving cutter head 2a is arranged in the clamping groove 13a, the grooving cutter head 2b is arranged in the clamping groove 13b, and the bolt 3 passes through the counter bore 121 on the boss 12 to be connected with the threaded hole 112 of the body 11 so as to clamp and fix the two grooving cutter heads 2 in the clamping groove 13; the rear part of the grooving cutter head 2a on the boss 12 is provided with an inclined chip-breaking surface 112a, and the rear part of the grooving cutter head 2b on the boss 12 is provided with an inclined chip-breaking surface 112 b.

The joint of the boss 12 and the body 11 is provided with a pressure relief groove 14, and the inner side of the clamping groove 13 is provided with the pressure relief groove 14 to prevent stress concentration.

The body 11 is provided with two protruding support tables 111, the support tables 111a are parallel to the tool shank 1, the support tables 111a are perpendicular to the tool shank 2, the lower clamping surfaces of the clamping grooves 13a extend onto the support tables 111a, and the support tables 111a support the grooving tool bits 2 a; the lower clamping surface of said clamping groove 13b extends to a support table 111b, which support table 111b supports the grooving head 2 b.

As shown in fig. 6, a stopper surface 15 is provided at the rear of the clamping groove 13a parallel to the holder 1, and when the grooving bit 2a is mounted, the cutting portion faces outward and the other end comes into contact with the stopper surface 15.

As shown in fig. 5, when the grooving bit 2b perpendicular to the shank 1 is attached, the cutting portion faces outward, and the other end abuts the grooving bit 2a parallel to the shank 1.

The grooving tool bit 2a parallel to the tool shank 1 is used for machining an excircle groove, and the grooving tool bit 2b vertical to the tool shank 1 is used for machining an end surface groove.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships that are based on the orientation or positional relationship shown in the drawings, are used only for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (6)

1. Grooving cutter capable of processing excircle and end face groove, and is characterized in that: the tool comprises a tool handle, a grooving tool bit and a bolt, wherein a boss is arranged on the head of the tool handle and connected with a tool handle body, a counter bore is arranged on the boss, and a threaded hole is arranged in the body corresponding to the counter bore; the head of the knife handle is provided with two clamping grooves for fixing a grooving knife head, one of the two clamping grooves is parallel to the knife handle, and the other clamping groove is vertical to the knife handle; the upper clamping surfaces of the clamping grooves are arranged below the bosses, and the lower clamping surfaces of the two clamping grooves are arranged on the body; the grooving tool bits are arranged in the clamping grooves, and the bolts penetrate through the counter bores on the bosses and are connected with the threaded holes of the body to clamp and fix the two grooving tool bits in the clamping grooves; the rear part of the grooving cutter head on the boss is provided with an inclined chip breaking surface.

2. The grooving cutter according to claim 1, wherein a relief groove is formed at a joint of the boss and the body, and a relief groove is formed inside the clamping groove.

3. The grooving tool according to claim 1, wherein the body has two protruding support tables, one parallel to the shank and one perpendicular to the shank, and the lower clamping surfaces of the two clamping grooves extend to the support tables.

4. The grooving tool according to claim 1, wherein a limiting surface is provided at a rear portion of the clamping groove parallel to the tool holder, and when the grooving tool bit is mounted, the cutting portion faces outward and the other end is attached to the limiting surface.

5. The grooving tool according to claim 1, wherein when the grooving tool bit perpendicular to the shank is mounted, the cutting portion faces outward and the other end abuts the grooving tool bit parallel to the shank.

6. A lathe using a grooving tool capable of working grooves in the outer circumference and end face as claimed in any one of claims 1 to 5.

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