CN220260176U - Locking device for machine tool cutter - Google Patents

Abstract

The utility model provides a locking device of a machine tool cutter, which comprises a cutter and a sleeve, wherein the cutter is sleeved and connected in the sleeve, a locking ring is sleeved and connected in the sleeve, four grooves are formed in the inner wall of the locking ring at equal intervals, return springs are fixedly arranged in the four grooves, a locking column is fixedly arranged at one end of each return spring, and a plurality of through holes are formed in the outer wall of each fixing ring at equal intervals. According to the utility model, the locking column is pushed to move by the threaded push rod, so that the locking column sequentially penetrates through the through hole and the locking groove formed in the outer wall of the connecting column for embedding and fixing the cutter, the cutter is effectively ensured to be locked in the sleeve, and the firmness of cutter installation is ensured.

Description

Locking device for machine tool cutter

Technical Field

The utility model belongs to the technical field of machine tool cutters, and relates to a locking device of a machine tool cutter.

Background

The cutter is a tool for cutting machining in machine manufacturing, also called a cutting tool, and the cutters for machining various outer surfaces include turning tools, planing tools, milling tools, outer surface broaches, files, and the like.

According to patent number "CN211072638U" discloses a cutter locking levelling device for lathe, including locking lever and tool bit, the thread groove has been seted up to one side of locking lever, and the inboard bottom welding of thread groove has the internal thread pole, and the tool bit is close to the one end of thread groove and is carved with the cutter screw thread. This lathe is with cutter locking levelling device, when need install the cutter, the cutter screw thread department threaded connection of tool bit one end in the thread groove of locking lever earlier, and the internal thread pole can threaded connection in the internal thread groove of tool bit, realize double-thread fixation, structural rigidity has been kept, be difficult for producing deformation, this lathe is with cutter locking levelling device, when need change the cutter, fix the embedded block in the pivot, because the bullet piece that the inboard of embedded block was inlayed can fix a position fast, and provide the displacement through the spring in the levelling process, then use the locating screw to its leveling, can improve change efficiency, use cost and human cost are reduced simultaneously.

The cutter locking device is used for fixing the embedded block in the rotating shaft, the elastic block embedded in the inner side of the embedded block can be rapidly positioned, the displacement is provided through the spring in the leveling process, then the positioning screw is used for leveling the elastic block, the replacement efficiency can be improved, and the cutter locking device cannot be used for realizing the stability of cutter installation.

Disclosure of Invention

The utility model aims to provide a locking device for a machine tool cutter, which solves the problems in the background technology.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a locking device of lathe cutter, includes cutter and sleeve, the inside cover of sleeve is established and is connected with the cutter, the inside cover of sleeve is established and is connected with the locking ring, four recesses have been seted up to the inner wall equidistance of locking ring, four equal fixed mounting in inside of recess has reset spring, reset spring's one end fixed mounting has the locking post, a plurality of through-holes have been seted up to telescopic outer wall equidistance, locking ring outer wall equidistance threaded connection has four screw pushing rod, four the one end of screw pushing rod extends to the inside of recess and passes reset spring and the one end fixed connection of locking post, the fixed spliced pole that is equipped with in top of sleeve, the connecting hole has been seted up on the top of cutter, the spliced pole is inlayed with the connecting hole and is established and is connected, locking groove has all been seted up to four avris of spliced pole, the locking post passes through-hole and cutter and locking groove and inlays to be connected.

In the locking device of the machine tool cutter, a fixing ring is fixedly arranged in the middle of the cutter, and a fixing bolt is connected between the fixing ring and the sleeve in a threaded manner.

In the locking device of the machine tool cutter, the size of the cutter end is matched with the inner diameter of the sleeve, and the joint of the cutter and the sleeve is sleeved with the sealing ring.

In the locking device of the machine tool cutter, the size of the end of the locking column is the same as the inner diameters of the through hole and the locking groove.

In the locking device of the machine tool cutter, anti-skidding patterns which are uniformly distributed are fixedly arranged on the surface of the locking column.

In the locking device of the machine tool, the sleeve is fixedly connected with the machine tool mounting seat through the screw.

Compared with the prior art, the locking device of the machine tool cutter has the advantages that: the locking column is pushed to move through the threaded push rod, so that the locking column sequentially penetrates through the through hole and the locking groove formed in the outer wall of the cutter and the connecting column to be embedded and fixed, the locking of the cutter in the sleeve is effectively ensured, and the firmness of cutter installation is ensured.

Drawings

Fig. 1 is a schematic structural view of a locking device for a tool of a machine tool according to the present utility model.

Fig. 2 is a schematic view of the internal structure of a locking device for a tool of a machine tool according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a sleeve of a locking device for a tool of a machine tool according to the present utility model.

Fig. 4 is an enlarged view of a portion of fig. 2 a of a locking device for a tool of a machine tool according to the present utility model.

In the figure, 1, a cutter; 2. a fixing ring; 3. a fixing bolt; 4. a locking ring; 5. a threaded push rod; 6. a sleeve; 7. a groove; 8. locking the column; 9. a return spring; 10. a connecting column; 11. a connection hole; 12. a through hole; 13. locking groove.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-4, the locking device of the machine tool cutter comprises a cutter 1 and a sleeve 6, wherein the cutter 1 is sleeved and connected in the sleeve 6, the locking ring 4 is sleeved and connected in the sleeve 6, four grooves 7 are formed in the inner wall of the locking ring 4 at equal intervals, return springs 9 are fixedly arranged in the four grooves 7, a locking column 8 is fixedly arranged at one end of the return springs 9, a plurality of through holes 12 are formed in the outer wall of the sleeve 6 at equal intervals, four threaded push rods 5 are connected with the outer wall of the locking ring 4 at equal intervals, one ends of the four threaded push rods 5 extend to the inside of the grooves 7 and penetrate through the return springs 9 to be fixedly connected with one end of the locking column 8, a connecting column 10 is fixedly arranged at the top end of the inside of the sleeve 6, a connecting hole 11 is formed in the top end of the cutter 1, the connecting column 10 is connected with the connecting hole 11 in an embedded mode, locking grooves 13 are formed in the four side sides of the connecting column 10, the locking column 8 penetrates through the through holes 12 and the locking grooves 13, the locking column 8 is pushed by the movement of the threaded push rods 5, the locking column 8 sequentially penetrates through the through holes 12 and the locking column 1 to be fixedly embedded with the locking column 13, and the cutter 1 is effectively locked in the inner wall of the sleeve 6.

As shown in fig. 1, 2, 3 and 4, in the locking device for the machine tool cutter, the fixing ring 2 is fixedly arranged in the middle of the cutter 1, the fixing bolt 3 is connected between the fixing ring 2 and the sleeve 6 in a threaded manner, the fixing ring 2 and the sleeve 6 are conveniently fixed through the fixing bolt 3, and the stability of connection is ensured.

The size of the end of the cutter 1 is matched with the inner diameter of the sleeve 6, and a sealing ring is sleeved at the joint of the cutter 1 and the sleeve 6, so that the tightness of the joint is ensured.

The size of the end of the locking column 8 is the same as the inner diameter of the through hole 12 and the locking groove 13, and the gap at the joint is reduced.

The surface fixing of locking post 8 is equipped with evenly distributed's anti-skidding line, through the anti-skidding line of seting up on locking post 8 surface, has increased locking post 8's anti-skidding effect.

The sleeve 6 is fixedly connected with the tool mounting seat of the machine tool through a screw, so that the sleeve 6 is convenient to mount.

Specifically, when the locking device of the machine tool cutter is used, firstly, the cutter 1 is inserted into the sleeve 6, the connecting hole 11 formed in the top end of the cutter 1 is embedded with the connecting post 10 and the connecting hole 11 formed in the sleeve 6, then the threaded push rod 5 is manually rotated, the locking post 8 is pushed to move through the rotation of the threaded push rod 5, the locking post 8 penetrates through the through hole 12 and is embedded with the locking groove 13, the cutter 1 is conveniently fixed, then the fixing ring 2 and the sleeve 6 are manually fixed through the fixing bolt 3, and the locking installation of the cutter 1 is completed.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides a locking device of lathe cutter, includes cutter (1) and sleeve (6), a serial communication port, be connected with cutter (1) are established to the inside cover of sleeve (6), four recess (7) have been seted up to the inside cover of sleeve (6) inside equidistance of locking ring (4), four equal fixed mounting in inside of recess (7) has reset spring (9), the one end fixed mounting of reset spring (9) has locking post (8), a plurality of through-holes (12) have been seted up to the outer wall equidistance of sleeve (6), four screw thread push rod (5) are connected to locking ring (4) outer wall equidistance threaded connection, four the one end of screw thread push rod (5) extends to the inside of recess (7) and passes reset spring (9) and locking post (8) one end fixed connection, the inside top of sleeve (6) is fixedly provided with spliced pole (10), spliced eye (11) have been seted up on the top of recess (7), spliced eye (10) are inlayed and are connected with spliced eye (11), four sides (13) have all been seted up with locking post (13) and are inlayed cutter (13).

2. The locking device of the machine tool cutter according to claim 1, wherein a fixing ring (2) is fixedly arranged in the middle of the cutter (1), and a fixing bolt (3) is connected between the fixing ring (2) and the sleeve (6) in a threaded manner.

3. A locking device for a tool of a machine tool according to claim 1, characterized in that the dimensions of the end of the tool (1) are matched with the inner diameter of the sleeve (6), and that the joint of the tool (1) and the sleeve (6) is provided with a sealing ring.

4. A locking device for machine tools according to claim 1, characterized in that the dimensions at the end of the locking post (8) are the same as the inner diameters of the through hole (12) and the locking groove (13).

5. A locking device for machine tools according to claim 1, characterized in that the surface of the locking post (8) is fixedly provided with evenly distributed anti-skid threads.

6. A locking device for a machine tool according to claim 1, characterized in that the sleeve (6) is fixedly connected to the machine tool mounting by means of screws.