CN217370632U

CN217370632U - Milling cutter with replaceable cutter head for machining

Info

Publication number: CN217370632U
Application number: CN202220332586.1U
Authority: CN
Inventors: 张文奇
Original assignee: Dalian Hetai Precision Industry Co ltd
Current assignee: Dalian Hetai Precision Industry Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-09-06
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a milling cutter with a replaceable cutter head for machining, which comprises a cutter bar and a cutter head, wherein one end of the cutter bar, which is close to the cutter head, is provided with a connecting sleeve, a clamping component which is convenient for dismounting the cutter head is arranged in the connecting sleeve, and a reinforcing component for improving the stability of the cutter head is also arranged in the cutter head; the joint subassembly is including seting up the spread groove inside the adapter sleeve, the tool bit top is provided with the connecting plate, adapter sleeve inner wall bilateral symmetry sets up flutedly, the inside slip of recess is provided with the slide bar, slide bar one end extends to inside and is provided with the fixture block that is used for carrying out the butt to the connecting plate of spread groove, the one end that the fixture block was kept away from to the slide bar extends to the adapter sleeve outside and is connected with the pull ring, through being provided with joint subassembly and reinforcement assembly, is convenient for dismantle the change to the tool bit, convenient operation, and the practicality is strong.

Description

Milling cutter with replaceable cutter head for machining

Technical Field

The utility model relates to a machining technical field specifically is a milling cutter of removable tool bit that machining used.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

Milling cutter takes place to damage easily at the tool bit after using a period, need change and maintain it, the machining of a machine parts that current bulletin number is CN209793092U is with being convenient for change the brill milling machine bed of tool bit, cross screw hole, threaded rod and trompil, conveniently dismantle sleeve pipe and fixed plate, need dismantle the back to the sleeve pipe and just can dismantle the tool bit, it is complicated to dismantle in operation process, influence work efficiency, and can only change the milling cutter of fixed model when changing, influence the practicality of device.

In view of the above, there is now devised an improved replaceable-tip milling cutter for machining.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling cutter of removable tool bit that machining used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a milling cutter with a replaceable cutter bit for machining comprises a cutter bar and a cutter bit, wherein a connecting sleeve is arranged at one end, close to the cutter bit, of the cutter bar, a clamping assembly convenient for dismounting the cutter bit is arranged inside the connecting sleeve, and a reinforcing assembly used for improving the stability of the cutter bit is further arranged inside the cutter bit;

the joint subassembly is including seting up the spread groove in the adapter sleeve inside, the tool bit top is provided with the connecting plate, adapter sleeve inner wall bilateral symmetry has seted up the recess, the inside slip of recess is provided with the slide bar, slide bar one end extends to inside and being provided with the fixture block that is used for carrying out the butt to the connecting plate of spread groove, the one end that the fixture block was kept away from to the slide bar extends to the adapter sleeve outside and is connected with the pull ring.

Preferably, the sliding rod is sleeved with a first spring outside the groove, and two ends of the first spring are respectively connected with the inner walls of two ends of the groove.

Preferably, the reinforcing component comprises mounting grooves which are formed in two sides of the inner wall of the connecting sleeve and far away from one end of the cutter bar, a second spring and a connecting rod are arranged inside the mounting grooves, one end of the connecting rod is connected with the second spring, and one end, far away from the second spring, of the connecting rod extends into the inside of the connecting groove and is connected with a limiting plate.

Preferably, the connecting rod all is provided with the guide block near the one end top and the bottom of second spring, the inside slide rail that matches with the guide block that is provided with of mounting groove.

Preferably, the limiting plate is arc-shaped, and the surface of the limiting plate is provided with a non-slip mat.

Preferably, the outer diameter of the connecting plate is larger than that of the cutter head, and the top of the fixture block is tightly attached to the bottom of the connecting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be provided with the joint subassembly in the device, draw two when changing the tool bit to the direction pulling of holding away from the adapter sleeve, can drive the slide bar and remove to drive the fixture block and remove, when keeping away from the connecting plate gradually as the fixture block, can relieve the spacing to the connecting plate, thereby be convenient for dismantle the tool bit, be favorable to improving change speed, convenient operation.

2. The utility model discloses be provided with the reinforcement subassembly among the device, after the tool bit is accomplished by the installation, the limiting plate can all the time with tool bit outer wall butt under the effect of second spring and connecting rod to it is spacing to carry out the centre gripping to the tool bit, is favorable to improving the steadiness of tool bit, is applicable to simultaneously and fixes not unidimensional tool bit, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of a replaceable-tip milling cutter for machining.

Fig. 2 is a schematic view of a limiting plate of a replaceable-bit milling cutter for machining.

Fig. 3 is a schematic view showing the inside of a coupling sleeve in a replaceable-bit milling cutter for machining.

The tool comprises a tool bar 11, a tool bit 12, a connecting sleeve 13, a tool bit 14, a connecting plate 15, a connecting groove 16, a groove 17, a sliding rod 18, a clamping block 19, a pull ring 20, a first spring 21, a connecting rod 22, a second spring 23 and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a milling cutter with a replaceable cutter head for machining includes a cutter bar 11 and a cutter head 13, a connecting sleeve 12 is disposed at one end of the cutter bar 11 close to the cutter head 13, a clamping assembly for facilitating disassembly and assembly of the cutter head 13 is disposed inside the connecting sleeve 12, and a reinforcing assembly for improving stability of the cutter head 13 is further disposed inside the cutter head 13;

the joint subassembly is including seting up at the inside spread groove 15 of adapter sleeve 12, tool bit 13 top is provided with connecting plate 14, adapter sleeve 12 inner wall bilateral symmetry has seted up recess 16, the inside slip of recess 16 is provided with slide bar 17, slide bar 17 one end extends to spread groove 15 inside and is provided with the fixture block 18 that is used for carrying out the butt to connecting plate 14, slide bar 17 keeps away from the one end of fixture block 18 and extends to adapter sleeve 12 outside and be connected with pull ring 19, the external diameter of connecting plate 14 is greater than the external diameter of tool bit 13, fixture block 18 top is hugged closely with connecting plate 14 bottom.

Inside being located recess 16 slide bar 17 outside cover is equipped with first spring 20, first spring 20 both ends respectively with recess 16's both ends wall connection, draw the orientation pulling of two rings to keeping away from the adapter sleeve when changing the tool bit, can drive the slide bar and remove, thereby drive the fixture block and remove, when the connecting plate is kept away from gradually to the fixture block, can remove the spacing to the connecting plate, thereby be convenient for dismantle the tool bit, inside the tool bit that will change inserts the spread groove, loosen the ring pull, slide bar and fixture block can resume the normal position under the effect of first spring, thereby fix the tool bit, the installation is convenient with the dismantlement, therefore, the clothes hanger is strong in practicability.

Consolidate the subassembly including seting up in adapter sleeve 12 inner wall both sides and keeping away from the mounting groove of 11 one ends of cutter arbor, inside second spring 22 and the connecting rod 21 of being provided with of mounting groove, connecting rod 21 one end is connected with second spring 22, and its one end of keeping away from second spring 22 extends to inside and is connected with limiting plate 23 of spread groove 15, and after the tool bit was accomplished by the installation, the limiting plate can all the time with tool bit outer wall butt under the effect of second spring and connecting rod to it is spacing to carry out the centre gripping to the tool bit, is favorable to improving the steadiness of tool bit.

Connecting rod 21 all is provided with the guide block near the one end top and the bottom of second spring 22, the inside slide rail that matches with the guide block that is provided with of mounting groove can improve the connecting rod at the inside gliding steadiness of mounting groove through the cooperation of guide block and slide rail, prevents that the direction from taking place the skew.

Limiting plate 23 is the arc and its surface is provided with the slipmat, and curved limiting plate can match with the tool bit surface, is favorable to the area of contact of increase with the tool bit to improve spacing effect, the setting of slipmat can further improve the fixed effect to the tool bit, the practicality is strong.

The utility model discloses a theory of operation is:

when changing the tool bit, with two draw ring to the direction pulling of keeping away from the adapter sleeve, can drive the slide bar and remove, thereby drive the fixture block and remove, when the fixture block keeps away from the connecting plate gradually, can remove spacing to the connecting plate, thereby be convenient for dismantle the tool bit, inside the tool bit that will change inserts the spread groove, loosen the pull ring, slide bar and fixture block can resume the normal position under the effect of first spring, thereby fix the tool bit, after the tool bit is accomplished by the installation, the spacer plate can all the time with tool bit outer wall butt under the effect of second spring and connecting rod, thereby it is spacing to carry out the centre gripping to the tool bit, be favorable to improving the steadiness of tool bit, moreover, the steam generator is simple in structure, high operation convenience, therefore, the clothes hanger is strong in practicability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. The milling cutter with the replaceable cutter bit for machining comprises a cutter bar (11) and a cutter bit (13), and is characterized in that a connecting sleeve (12) is arranged at one end, close to the cutter bit (13), of the cutter bar (11), a clamping assembly convenient for dismounting the cutter bit (13) is arranged inside the connecting sleeve (12), and a reinforcing assembly used for improving the stability of the cutter bit (13) is further arranged inside the cutter bit (13);

joint subassembly is including offering at inside spread groove (15) of adapter sleeve (12), tool bit (13) top is provided with connecting plate (14), adapter sleeve (12) inner wall bilateral symmetry is seted up fluted (16), the inside slip of recess (16) is provided with slide bar (17), slide bar (17) one end extends to inside and is provided with fixture block (18) that are used for carrying out the butt to connecting plate (14) spread groove (15), the one end that fixture block (18) were kept away from in slide bar (17) extends to adapter sleeve (12) outside and is connected with pull ring (19).

2. The milling cutter with replaceable cutting head for machining according to claim 1, wherein the sliding rod (17) located inside the groove (16) is sleeved with a first spring (20), and two ends of the first spring (20) are respectively connected with two inner walls of the groove (16).

3. The milling cutter with the replaceable cutting head for machining according to claim 1, wherein the reinforcing member comprises mounting grooves which are formed on both sides of the inner wall of the connecting sleeve (12) and are far away from one end of the cutter bar (11), a second spring (22) and a connecting rod (21) are arranged inside the mounting grooves, one end of the connecting rod (21) is connected with the second spring (22), and one end of the connecting rod, which is far away from the second spring (22), extends into the connecting groove (15) and is connected with the limiting plate (23).

4. A replaceable-bit milling cutter for machining according to claim 3, characterized in that the connecting rod (21) is provided with guide blocks at the top and bottom of its end near the second spring (22), and the mounting groove is internally provided with slide rails matching the guide blocks.

5. The milling cutter with replaceable cutting head for machining according to claim 4, characterized in that the limiting plate (23) is arc-shaped and provided with anti-slip pads on its surface.

6. A milling cutter with replaceable cutting head for machining according to claim 1, characterized in that the outer diameter of the connecting plate (14) is larger than the outer diameter of the cutting head (13), and the top of the clamping block (18) abuts against the bottom of the connecting plate (14).