Distance-adjustable milling cutter

Abstract

The utility model provides a distance-adjustable milling cutter, and belongs to the technical field of milling cutters. The distance-adjustable milling cutter comprises a milling cutter assembly and a connecting assembly, the milling cutter assembly comprises a cutter head, a connecting screw rod, a cutter bar and an adjusting rod, the connecting screw rod is arranged at the end of the cutter head, the connecting assembly comprises a positioning bolt, an elastic piece and a locking insertion rod, and a through hole is formed in the adjusting rod. The positioning bolt penetrates through the through hole and is in threaded connection with the cutter bar, the cutter head, the connecting screw rod, the cutter bar and the adjusting rod are arranged, the length of the cutter bar and the adjusting rod can be adjusted, and therefore the length of the installed cutter head and the length of the installed connecting screw rod are adjusted; and the adjusting rod with the position distance adjusted can be positioned, and meanwhile, the elastic piece and the locking insertion rod are used for locking and limiting rotation after the single connecting screw rod is connected, so that the connection firmness is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of milling cutters, in particular to an adjustable distance milling cutter. BACKGROUND

[0002] A milling cutter is a rotating cutter with one or more teeth used for milling. Each tooth cuts off the excess of the workpiece intermittently in turn. Milling cutters are mainly used for milling planes, steps, grooves, shaped surfaces and cutting off workpieces on milling machines. The vertical milling cutter has cutting teeth on both sides.

[0003] Publication No. CN219598196U discloses a combined milling cutter, which comprises a ball head cutter and a cutter bar. The ball head cutter is provided with a cutter head, an installation part and a guide part. The guide part is arranged at the end of the installation part away from the cutter head. The cutter bar is provided with an installation hole for inserting the guide part. After the guide part is inserted into the installation hole, it can be fixed with the cutter bar, so that different types of milling cutters can be conveniently and quickly replaced.

[0004] However, the above scheme has some defects: the single screw connection mode in the above scheme, although it is convenient to disassemble and assemble, the single screw installation mode is not stable and firm enough, and the installation of the screw that rotates to the bottom makes the position distance of the installed milling cutter fixed. Different sizes of products need to be processed by replacing different milling cutters, which reduces the practicality of the milling cutter. CONTENT OF THE INVENTION

[0005] In order to make up for the above shortcomings, the present application provides an adjustable distance milling cutter, which aims to improve the problems in the above background technology.

[0006] The adjustable distance milling cutter provided by the present application comprises a milling cutter assembly and a connecting assembly.

[0007] The milling cutter assembly comprises a cutter head, a connecting screw, a cutter bar and an adjusting rod. The connecting screw is arranged at the end of the cutter head. The adjusting rod is slidably connected to the cutter bar. The connecting screw is threaded through the adjusting rod.

[0008] The connecting assembly comprises a positioning bolt, an elastic member and a locking plug. The adjusting rod is provided with a through hole. The positioning bolt penetrates through the through hole and is threadedly connected to the cutter bar. The adjusting rod is provided with a communication groove. The elastic member is arranged in the communication groove. One end of the locking plug is slidably arranged in the communication groove. The other end of the locking plug is inserted into the cutter head.

[0009] In a specific embodiment, the adjusting rod is provided with a threaded hole. The cutter bar is provided with an accommodating groove. The accommodating groove and the threaded hole are aligned. The connecting screw is threadedly connected to the connecting screw.

[0010] In the implementation process, the threaded hole is arranged, the connecting screw is connected through the threaded hole, and the accommodating groove is used for accommodating the connecting screw passing through the threaded hole.

[0011] In a specific embodiment, the cutter bar side is provided with a groove, and the adjusting rod end is provided with an extension block which is slidingly arranged in the groove.

[0012] In the implementation process, the extension block is slidingly arranged in the groove, so as to realize the sliding connection between the adjusting rod and the cutter bar.

[0013] In a specific embodiment, the through hole is arranged in the extension block, and a plurality of through holes are arranged.

[0014] In the implementation process, a plurality of through holes are arranged, and after the adjusting position of the adjusting rod is adjusted, the positioning bolt is arranged in the threaded groove of the cutter bar through the corresponding through hole.

[0015] In a specific embodiment, the cutter head and the connecting screw are provided with a splash-proof edge, and the splash-proof edge is provided with an inclined surface.

[0016] In the implementation process, the splash-proof edge with the inclined surface is arranged, so as to effectively prevent the debris from splashing into the connecting structure part and entering the hole groove.

[0017] In a specific embodiment, the elastic member includes a spring and a push block, the spring is arranged in the communication groove, the push block is fixedly connected to one end of the locking plug rod and abuts against the spring, and the push block slidingly penetrates the communication groove.

[0018] In the implementation process, the spring and the push block are arranged, the push block is pushed by the spring, and under the action of no other external force, the push block drives the locking plug rod to be kept in the plug-in clamping connection with the cutter head.

[0019] In a specific embodiment, the cutter head is provided with a plug-in groove, and the plug-in groove is matched with the locking plug rod.

[0020] In the implementation process, the plug-in groove is arranged, and the locking plug rod is inserted into the plug-in groove to realize the plug-in limiting.

[0021] In a specific embodiment, the cutter head and the connecting screw are integrally formed and are provided with an anti-corrosion layer on the surface.

[0022] Beneficial effects: the application provides a distance-adjustable milling cutter, by setting the cutter head, connecting screw rod, cutter bar and adjusting rod, the cutter bar and adjusting rod can adjust the length, so as to adjust the length of the installed cutter head and connecting screw rod, by setting the positioning bolt, elastic element and locking plug, and opening the through hole and communication groove, the adjusting rod after adjusting the position distance can be positioned, and the single connecting screw rod is connected with the help of the elastic element and locking plug, and then locked and limited to rotate, so that the connection firmness is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1 is the structure schematic diagram of the distance-adjustable milling cutter provided by the embodiments of the application;

[0025] Figure 2 is the structure schematic diagram of the cutter head provided by the embodiments of the application;

[0026] Figure 3 is the structure schematic diagram of the adjusting rod provided by the embodiments of the application;

[0027] Figure 4 is the structure schematic diagram of the cutter bar provided by the embodiments of the application;

[0028] Figure 5 is the structure schematic diagram of the elastic element provided by the embodiments of the application.

[0029] In the figure: 100-milling cutter assembly; 110-cutter head; 111-slot; 120-connecting screw rod; 130-cutter bar; 131-receiving groove; 132-groove; 140-adjusting rod; 141-communication groove; 142-threaded hole; 143-extension block; 150-splash guard; 160-through hole; 200-connection assembly; 210-positioning bolt; 220-elastic element; 221-spring; 222-push block; 240-locking plug. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments.

[0031] Please refer to Figures 1-5 , the application provides a distance-adjustable milling cutter including a milling cutter assembly 100 and a connection assembly 200.

[0032] Please refer to Figure 1 , 2 , 3 and 4, the milling cutter assembly 100 comprises a cutter head 110, a connecting screw rod 120, a cutter bar 130 and an adjusting rod 140, the connecting screw rod 120 is arranged at the end of the cutter head 110, the adjusting rod 140 is slidably connected to the cutter bar 130, and the connecting screw rod 120 is screwed through the adjusting rod 140.

[0033] Wherein the connecting assembly 200 comprises a positioning bolt 210, an elastic member 220 and a locking plug rod 240, the adjusting rod 140 is provided with a through hole 160, the positioning bolt 210 is screwed through the through hole 160 and connected to the cutter bar 130, the adjusting rod 140 is provided with a communication groove 141, the elastic member 220 is arranged in the communication groove 141, one end of the locking plug rod 240 is slidably arranged in the communication groove 141, the other end of the locking plug rod 240 is inserted into the cutter head 110, the threaded hole 142 is arranged, the connecting screw rod 120 is screwed, and the accommodating groove 131 is used to accommodate the connecting screw rod 120 passing through the threaded hole 142.

[0034] It should be noted that the side edge of the cutter bar 130 is provided with a groove 132, and the end of the adjusting rod 140 is provided with an extension block 143, the extension block 143 is slidably arranged in the groove 132, the side edge of the cutter bar 130 is provided with a groove 132, and the end of the adjusting rod 140 is provided with an extension block 143, the extension block 143 is slidably arranged in the groove 132.

[0035] In this embodiment, the through hole 160 is arranged in the extension block 143, and a plurality of through holes 160 are arranged, after adjusting the position distance of the adjusting rod 140, the positioning bolt 210 is installed into the threaded groove on the cutter bar 130 through the corresponding through hole 160.

[0036] In a specific embodiment, the connecting screw rod 120 and the cutter head 110 are provided with a splash-proof edge 150, the splash-proof edge 150 is provided with an inclined surface, by arranging the splash-proof edge 150 with the inclined surface, the splashing of debris to the connecting structure part is effectively prevented, and the entry into the hole groove is avoided.

[0037] In a specific embodiment, the cutter head 110 and the connecting screw rod 120 are integrally formed and provided with a corrosion-resistant layer on the surface.

[0038] Please refer to Figure 1 , 2The connecting assembly 200 comprises a positioning bolt 210, an elastic member 220 and a locking plug 240, the adjusting rod 140 is provided with a through hole 160, the positioning bolt 210 penetrates through the through hole 160 and is threadedly connected to the cutter bar 130, the adjusting rod 140 is provided with a communication groove 141, the elastic member 220 is arranged in the communication groove 141, and one end of the locking plug 240 is slidingly arranged in the communication groove 141, and the other end of the locking plug 240 is inserted into the cutter head 110.

[0039] The elastic member 220 comprises a spring 221 and a push block 222, the spring 221 is arranged in the communication groove 141, the push block 222 is fixedly connected to one end of the locking plug 240 and abuts against the spring 221, and the push block 222 slidingly penetrates through the communication groove 141, by arranging the spring 221 and the push block 222, the push block 222 is pushed by the elastic action of the spring 221, and under the action of no other external force, the push block 222 drives the locking plug 240 to be kept in the inserted and clamped connection with the cutter head 110.

[0040] The cutter head 110 is provided with an insertion groove 111, the insertion groove 111 is matched with the locking plug 240, by arranging the insertion groove 111, the locking plug 240 is inserted into the insertion groove 111 to realize the inserted and limited positioning.

[0041] The working principle of the adjustable milling cutter is as follows: during use, the positioning bolt 210 is first removed to slide the adjusting rod 140, the adjusting rod 140 linearly slides under the guidance of the extension block 143 and the recess 132, so that the distance between the adjusting rod 140 and the cutter bar 130 is adjusted, the positions of the cutter head 110 and the connecting screw rod 120 are adjusted, the positioning bolt 210 is then installed into the threaded groove on the cutter bar 130 through the corresponding through hole 160, and thus more machining requirements are met, the milling cutter does not need to be frequently replaced, cost is saved, and when the cutter head 110 and the connecting screw rod 120 are installed, the push block 222 is first pulled to press the spring 221, the push block 222 drives the locking plug 240 to enter the communication groove 141, the connecting screw rod 120 is aligned and screwed into the threaded hole 142, the push block 222 is then released, the push block 222 is pushed by the elastic action of the spring 221, under the action of no other external force, the push block 222 drives the locking plug 240 to be inserted into the insertion groove 111 and clamped and locked, and thus the connection firmness is greatly improved.

[0042] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics thereof. The presently disclosed embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference herein to any prior art is to be taken as an admission that the application is not entitled to antedate such prior art by virtue of prior application. No reference to any prior art in this specification is intended to be, nor should it be taken as, an acknowledgement or any form of suggestion that such prior art is accepted as relevant prior art against the present application. Any citation of any prior art in this specification is solely provided on the basis of relevance to the disclosure of the application.

Claims

1. An adjustable pitch milling cutter characterised in that, The milling cutter assembly (100) comprises a cutter head (110), a connecting screw rod (120), a cutter bar (130) and an adjusting rod (140), the connecting screw rod (120) is arranged at the end of the cutter head (110), the adjusting rod (140) is slidingly connected to the cutter bar (130), and the connecting screw rod (120) is threaded through the adjusting rod (140). The connecting assembly (200) comprises a positioning bolt (210), an elastic member (220) and a locking plug rod (240), the adjusting rod (140) is provided with a through hole (160), the positioning bolt (210) is threaded through the through hole (160) and connected to the cutter bar (130), the adjusting rod (140) is provided with a communication groove (141), the elastic member (220) is arranged in the communication groove (141), and one end of the locking plug rod (240) is slidingly arranged in the communication groove (141) and the other end of the locking plug rod (240) is inserted into the cutter head (110). The adjusting rod (140) is provided with a threaded hole (142), the cutter bar (130) is provided with an accommodating groove (131), the accommodating groove (131) and the threaded hole (142) are aligned, and the connecting screw rod (120) is threaded connected to the connecting screw rod (120).

2. The adjustable cutter of claim 1 wherein, The cutter bar (130) is provided with a groove (132) on the side edge, and the adjusting rod (140) is provided with an extension block (143) at the end, and the extension block (143) is slidingly arranged in the groove (132).

3. The adjustable cutter of claim 1 wherein, The through hole (160) is arranged in the extension block (143), and the through hole (160) is provided with a plurality of through holes.

4. A cutter according to claim 3, wherein, The cutter head (110) and the connecting screw rod (120) are provided with a splash-proof edge (150), and the splash-proof edge (150) is provided with an inclined surface.

5. The adjustable cutter of claim 1 wherein, The elastic member (220) comprises a spring (221) and a push block (222), the spring (221) is arranged in the communication groove (141), the push block (222) is fixedly connected to one end of the locking plug rod (240) and abuts against the spring (221), and the push block (222) is slidingly threaded through the communication groove (141).

6. The adjustable cutter of claim 1 wherein, The cutter head (110) is provided with a plug groove (111), and the plug groove (111) is matched with the locking plug rod (240).

7. The adjustable cutter of claim 1 wherein, The cutter head (110) and the connecting screw rod (120) are integrally formed and provided with a corrosion-resistant layer on the surface.

8. The adjustable cutter of claim 1 wherein, ​

Images