CN217253128U

CN217253128U - Milling cutter convenient to change tool bit

Info

Publication number: CN217253128U
Application number: CN202220680893.9U
Authority: CN
Inventors: 张军; 曾平楚; 彭大勇; 李建强
Original assignee: Wuxi Huamanzhizao Automation Technology Co ltd
Current assignee: Wuxi Huamanzhizao Automation Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-23
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to a processing equipment technical field provides a milling cutter convenient to change tool bit, including milling cutter, a plurality of fastening holes have been seted up on the lateral wall of assembly groove, wear to be equipped with the tool bit in the assembly groove, be connected with spill connecting piece on the tool bit, a plurality of heavy grooves have still been seted up on the connecting piece, the assembly groove is provided with the pressing component corresponding with the fastening hole on the inner wall with one side, pressing component includes the cushion, the stopper, the cushion, erect same fixture block on the stopper, form the space that can wear to establish the connecting piece between fixture block and the stopper, and the fixture block can block to establish in the heavy groove, wear to be equipped with the fastening shaft on the fixture block, the cover is equipped with tension spring in one end of fastening shaft, the other end of fastening shaft extends the outside in assembly groove through the fastening hole, and fixed by the nut. Through the tension spring and the nut, the tension spring can increase the distance between the clamping block and the limiting block, the nut can locate the clamping block in the groove, the tool bit is conveniently fixed in the assembling groove, and the tool bit is conveniently replaced.

Description

Milling cutter convenient to change tool bit

Technical Field

The utility model relates to a processing equipment technical field, concretely relates to milling cutter convenient to change tool bit.

Background

A milling machine is a machine tool which is widely used, and on which a plane, a groove, a tooth separation part, a spiral surface, and various curved surfaces can be machined on a workpiece by a milling cutter, and further, the milling machine can machine a surface of a rotary body, an inner hole, and a cut-off, etc., the milling cutter is a rotary cutter for milling having one or more cutter teeth, which cuts off a margin of the workpiece intermittently in sequence during operation, and the milling cutter is mainly used for machining a plane, a step, a groove, a formed surface, a cut-off of a workpiece, etc. on the milling machine.

The existing milling cutter head is not replaceable or difficult to replace, the whole milling cutter is scrapped after the cutting edge of the milling cutter is worn, waste is serious, and the cost of the milling process is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a milling cutter convenient to change tool bit has overcome the not enough of prior art, reasonable in design, compact structure, through tension spring and the nut that sets up, tension spring can contradict the fixture block on the inner wall of assembly groove, increase the interval between fixture block and the stopper, thereby make things convenient for the connecting piece on the tool bit to displace in the assembly groove, and the nut can drive the fixture block and contradict sinking the inslot, prevent the connecting piece activity, be convenient for fix the tool bit so that the tool bit is changed as for the convenience in the assembly groove.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a milling cutter convenient to change tool bit, including milling cutter, the equidistance encircles and is equipped with the assembly groove on the milling cutter, a plurality of fastening holes have been seted up on the lateral wall of assembly groove, wear to be equipped with the tool bit in the assembly groove, be connected with spill connecting piece on the tool bit, a plurality of heavy grooves have still been seted up on the connecting piece, be provided with the pressing component corresponding with the fastening hole on the inner wall of assembly groove same one side, pressing component includes the cushion, the stopper, the cushion, same fixture block has been erect on the stopper, form the space that can wear to establish the connecting piece between fixture block and the stopper, and the fixture block can block and establish in heavy groove, wear to be equipped with the fastening shaft on the fixture block, the cover is equipped with tension spring on one end of fastening shaft, the other end of fastening shaft extends the outside in assembly groove through the fastening hole, and fixed by the nut, the nut is connected with contradicts on the fixture block.

Preferably, a fixing hole is formed in the center of the milling cutter, and a spline groove is formed in the inner wall of the fixing hole.

Preferably, the assembling groove is in interference fit with the cutter head.

Preferably, the fixture block and the sinking groove can be tightly attached.

Preferably, the number of the fastening holes is at least two, and the fastening holes are arranged symmetrically with each other.

Preferably, the fastening hole is a stepped hole, and the stepped part of the fastening hole abuts against the nut.

(III) advantageous effects

An embodiment of the utility model provides a milling cutter convenient to change tool bit. The method has the following beneficial effects:

1. through the tension spring and the nut that set up, tension spring can contradict the fixture block on the inner wall of assembly groove, increases the interval between fixture block and the stopper to make things convenient for the connecting piece on the tool bit to displace at the assembly groove, and the nut can drive the fixture block and contradict at heavy inslot, prevents the connecting piece activity, is convenient for fix the tool bit in the assembly groove, so that the tool bit is changed as for the convenience.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

fig. 4 is a schematic view of the nut of the present invention.

In the figure: 1. milling cutters; 11. a fixing hole; 12. a spline groove; 2. assembling a groove; 21. a fastening hole; 22. cushion blocks; 23. a clamping block; 24. fastening the shaft; 25. a limiting block; 26. a tension spring; 3. a cutter head; 31. and (5) sinking the tank.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to the attached drawings 1-4, a milling cutter convenient for replacing a cutter head comprises a milling cutter 1, wherein an assembly groove 2 is annularly arranged on the milling cutter 1 at equal intervals, 2-4 fastening holes 21 are formed in the side wall of the assembly groove 2, a cutter head 3 penetrates through the assembly groove 2, the cutter head 3 is an oblique angle cutter head, a concave connecting piece is connected onto the cutter head 3, the connecting piece and the cutter head 3 are integrally formed to enhance the strength of the connecting piece, a plurality of sunken grooves 31 are further formed in the connecting piece, the quantity of the sunken grooves 31 is the same as that of the fastening holes 21, a pressing component corresponding to the fastening holes 21 is arranged on the inner wall of the same side of the assembly groove 2, the pressing component comprises a cushion block 22 and a limiting block 25, a same clamping block 23 is erected on the cushion block 22 and the limiting block 25, a gap capable of penetrating the connecting piece is formed between the clamping block 23 and the limiting block 25, the clamping block 23 can be clamped in the sunken grooves 31, and a fastening shaft 24 penetrates through the central position of the clamping block 23, and fixture block 23 can slide on fastening shaft 24, extend fastening shaft 24 of assembly groove and serve and be equipped with the screw thread that is connected with nut 4, the cover is equipped with tension spring 26 on one end of fastening shaft 24, tension spring 26 is located the fastening shaft 24 between cushion 22 and stopper 25, tension spring 26 can contradict fixture block 23 on the inner wall of assembly groove 2, increase the interval between fixture block 23 and the stopper 25, thereby make things convenient for the connecting piece on the tool bit 3 to displace in assembly groove 2, the other end of fastening shaft 24 extends the outside of assembly groove 2 through fastening hole 21, and fixed by nut 4, nut 4 is connected with 41 of contradicting on fixture block 23.

In this embodiment, a fixing hole 11 is formed in the center of the milling cutter 1, and a spline groove 12 is formed on the inner wall of the fixing hole 11.

In this embodiment, the assembly groove 2 and the cutter head 3 are in interference fit, so that the chips are prevented from entering the assembly groove 2, and the milling cutter 1 is prevented from being damaged.

In this embodiment, the fixture block 23 and the sinking groove 31 can be tightly attached, and only when the position of the sinking groove 31 is opposite to the position of the fixture block 23, the fixture block 23 can be abutted against the sinking groove 31, so as to prevent the tool bit 3 from being separated due to deviation.

In this embodiment, at least two fastening holes 21 are provided and are symmetrically arranged.

In this embodiment, fastening hole 21 is cascaded hole, and the ladder department of fastening hole 21 contradicts with nut 4, and nut 3 can drive fixture block 23 and contradict in heavy groove 31, prevents the connecting piece activity, is convenient for fix tool bit 3 in assembly groove 2 to the convenience is changed the tool bit.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A milling cutter facilitating bit replacement, comprising a milling cutter (1);

the method is characterized in that: the milling cutter is characterized in that an assembly groove (2) is annularly arranged on the milling cutter (1) at equal intervals, a plurality of fastening holes (21) are formed in the side wall of the assembly groove (2), and a cutter head (3) penetrates through the assembly groove (2);

the cutter head (3) is connected with a concave connecting piece, and the connecting piece is also provided with a plurality of sinking grooves (31);

the inner wall of the same side of the assembly groove (2) is provided with a pressing component corresponding to the fastening hole (21);

the pressing assembly comprises a cushion block (22) and a limiting block (25), the same clamping block (23) is erected on the cushion block (22) and the limiting block (25), a gap capable of penetrating through the connecting piece is formed between the clamping block (23) and the limiting block (25), and the clamping block (23) can be clamped in the sinking groove (31);

a fastening shaft (24) penetrates through the clamping block (23), a tension spring (26) is sleeved at one end of the fastening shaft (24), the other end of the fastening shaft (24) extends out of the outer side of the assembling groove (2) through the fastening hole (21) and is fixed by a nut (4), and the nut (4) is connected with a spring (41) which abuts against the clamping block (23).

2. A milling cutter to facilitate bit replacement as set forth in claim 1, wherein: a fixing hole (11) is formed in the center of the milling cutter (1), and a spline groove (12) is formed in the inner wall of the fixing hole (11).

3. A milling cutter for facilitating bit replacement as claimed in claim 1, wherein: the assembling groove (2) is in interference fit with the tool bit (3).

4. A milling cutter to facilitate bit replacement as set forth in claim 1, wherein: the fixture block (23) and the sinking groove (31) can be tightly attached.

5. A milling cutter to facilitate bit replacement as set forth in claim 1, wherein: the number of the fastening holes (21) is at least two, and the fastening holes are symmetrically arranged.

6. A milling cutter to facilitate bit replacement as set forth in claim 1, wherein: the fastening hole (21) is a stepped hole, and the stepped part of the fastening hole (21) is abutted against the nut (4).