CN211614455U

CN211614455U - Economical milling cutter

Info

Publication number: CN211614455U
Application number: CN201921826681.1U
Authority: CN
Inventors: 陈伟洪; 刘红城; 陈晓莉; 曹竞赛
Original assignee: Shenzhen Yueniu Technology Co ltd
Current assignee: Shenzhen Yueniu Technology Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-10-02
Anticipated expiration: 2029-10-26

Abstract

The utility model relates to a saving type milling cutter, include the processing section of being made by the tungsten steel, spiral helicine right slot has been seted up from its one end to the other end to the processing section, and two be formed with the cutting edge that is used for processing the PCB board between the slot of the right side, the one end of processing section is provided with the linkage segment with the axial integration, the linkage segment is kept away from the one end of processing section is provided with the canned paragraph with the axial integration, the material of canned paragraph adopts a stereoplasm steel cheap for the tungsten steel, the canned paragraph cover is equipped with the fixed cover of using with the anchor clamps cooperation. By means of the arrangement, the clamped part of the milling cutter is the fixing section, and the fixing section is made of a cheaper material relative to tungsten steel, so that the production cost of the milling cutter is saved. Because the processing section is made of tungsten steel, the strength of the milling cutter in use is ensured. Through the setting of linkage segment, avoid the canned paragraph lug connection on the processing section to lead to the joint strength of processing section and canned paragraph to be lower.

Description

Economical milling cutter

Technical Field

The utility model belongs to the technical field of milling cutter's technique and specifically relates to a saving type milling cutter is related to.

Background

The milling cutter is a rotary cutter for milling, the milling cutter is driven by the motor to rotate rapidly so as to mill a workpiece, and the milling cutter is mainly used for processing grooves, round holes and the like on a PCB.

Among the prior art, milling cutter is including the processing section that is used for processing the PCB board, and the one end of processing section is provided with the canned paragraph with the axial integration, and the fixed cover that is fixed with and anchor clamps cooperation use is established to the outside cover of canned paragraph. Generally, the processing section and the fixing section are made of tungsten steel integrally to ensure the hardness of the milling cutter. The PCB milling cutter is only used once, and a new milling cutter needs to be replaced. And the milling cutter is made of tungsten steel, so that the cost is high. The existing design is a saving type milling cutter, and the fixed section of the milling cutter is made of other materials, so that the cost of the milling cutter is saved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a saving type milling cutter.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a saving type milling cutter, includes the processing section of being made by the tungsten steel, spiral helicine right slot, and two have been seted up from its one end to the other end to the processing section be formed with the cutting edge that is used for processing the PCB board between the slot of the right side, the one end of processing section is provided with the linkage segment with the axial integration, the linkage segment is kept away from the one end of processing section is provided with the canned paragraph with the axial integration, the material of canned paragraph adopts a stereoplasm steel cheap for the tungsten steel, the canned paragraph cover is equipped with the fixed cover of using with the anchor clamps cooperation.

By adopting the scheme, the milling cutter is arranged, the part of the milling cutter used for being clamped is the fixing section, and the fixing section is made of a cheaper material relative to tungsten steel, so that the production cost of the milling cutter is saved. Because the processing section is made of tungsten steel, the strength of the milling cutter in use is ensured. Through the setting of linkage segment, avoid the canned paragraph lug connection on the processing section to lead to the joint strength of processing section and canned paragraph to be lower.

Preferably, a connecting assembly is arranged between the connecting section and the fixed section, the connecting assembly comprises a connecting groove formed in the end part of the connecting section and a connecting rod fixed on the end part of the fixed section, and the connecting rod is in threaded connection with the connecting groove; the connecting section and the outer side of the fixing section are sleeved with stabilizing sleeves, and the stabilizing sleeves are circumferentially fixed with the fixing section and the connecting section simultaneously.

Through adopting above-mentioned scheme, through the threaded connection of spread groove and connecting rod to make canned paragraph and linkage segment be connected firmly. Further prevent milling cutter at rotatory in-process, the spread groove takes place to become flexible with the connecting rod, and the outside in fixed section and linkage segment is fixed in to firm cover circumference simultaneously. Therefore, when processing the PCB board in-process, the linkage segment is driven through firm cover to the canned paragraph and rotates, and then drives the processing section and rotate to avoid connecting rod and spread groove to take place to become flexible.

When the processing section cannot be used once, the working personnel can connect the newly produced processing section to the fixed section, so that the fixed section is reused, and the cost is saved.

Preferably, the side wall of the connecting section is provided with a first fixing plane along the axial direction, the side wall of the fixing section is also provided with a first fixing plane communicated with two ends of the fixing section, and the two first fixing planes are positioned on the same plane; and a second fixing plane which is simultaneously attached to the two first fixing planes is arranged on the inner wall of the stabilizing sleeve.

By adopting the above scheme, through the setting of two first fixed planes and second fixed plane, the fixed section drives fixed cover through first fixed plane on the fixed section and second fixed plane and rotates, and fixed cover drives the linkage segment through second fixed plane and the first fixed plane on the linkage segment and rotates, and the linkage segment drives the processing section and rotates to prevent not hard up of connecting rod and spread groove.

Preferably, the side wall of the connecting section is protruded with an annular convex edge, and the stabilizing sleeve abuts between the annular convex edge and the annular convex edge.

Through adopting above-mentioned scheme, through the setting on the protruding edge of annular, annular flange carries on spacingly with fixed cover respectively to the both ends of stabilizing the cover to make the outside that linkage segment and canned paragraph were located to stable the overlapping of stabilizing.

Preferably, the outer wall of the fixing sleeve is provided with anti-skid grains along the axial direction.

By adopting the scheme, the clamp is more stable to clamp the fixed sleeve through the arrangement of the protective grains.

Preferably, the side wall of the processing section is provided with a left groove penetrating through the two right grooves from one end to the other end of the side wall.

Through adopting above-mentioned scheme, through the setting of right slot, make left slot between adjacent communicate with each other to the chip removal effect that makes between the left slot is better.

Preferably, a reinforcing rib in the shape of a triangular sheet is arranged between the connecting rod and the end face of the fixing section, an inverted angle is arranged between the end face of the connecting section and the connecting groove, and the reinforcing rib abuts against an inclined plane of the inverted angle.

By adopting the scheme, the connecting strength of the fixed section and the connecting rod is higher through the arrangement of the reinforcing ribs, and the service life of the fixed section is prolonged; simultaneously, through the setting of chamfer to the stabilizing support strengthening rib, and the chamfer has the effect of direction to the connecting rod.

To sum up, the utility model discloses a beneficial technological effect does: by means of the arrangement, the part of the milling cutter used for being clamped is the fixing section and is made of materials which are cheaper than tungsten steel, and therefore production cost of the milling cutter is saved. Because the processing section is made of tungsten steel, the strength of the milling cutter in use is ensured. Through the setting of linkage segment, avoid the canned paragraph lug connection on the processing section to lead to the joint strength of processing section and canned paragraph to be lower.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic view of a connection structure of the fixed segment and the connecting rod.

In the figure: 1. a processing section; 11. a connecting section; 12. a right trench; 13. a left trench; 14. a blade; 15. an annular convex edge; 2. a fixed section; 3. fixing a sleeve; 31. anti-skid lines; 5. a connecting assembly; 51. a connecting rod; 511. reinforcing ribs; 52. connecting grooves; 521. chamfering; 53. a stabilizing sleeve; 61. a first fixed plane; 62. a second fixed plane.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a saving type milling cutter, which comprises a processing section 1, a fixing section 2 and a fixing sleeve 3, wherein the fixing section 2 is fixedly connected to one end of the processing section 1, the axis of the fixing section 1 coincides with the axis of the processing section 1, and the fixing sleeve 3 is sleeved and fixed outside the fixing section 2; meanwhile, the processing section 1 is detachably connected with the fixing section 2, the processing section 1 is made of tungsten steel, the strength of the processing section 1 is guaranteed, the fixing section 2 is made of hard steel, the manufacturing cost of the milling cutter is saved, and the fixing section 2 and the fixing sleeve 3 can be repeatedly used.

Referring to fig. 2, a connecting assembly 5 for detachably connecting the processing section 1 and the fixed section 2 is disposed between the processing section 1 and the fixed section 2, and the connecting assembly 5 includes a connecting groove 52 and a connecting rod 51. One end of the processing section 1 is coaxially welded with a connecting section, the connecting section 11 is made of tungsten steel, the diameter of the connecting section is consistent with that of the fixing section 2, and the circular connecting groove 52 is arranged on one end face, far away from the processing section 1, of the connecting section 11; meanwhile, the connecting rod 51 is made of hard steel and is perpendicularly welded on one end face of the fixed section 2, and the axis of the connecting rod 51 is collinear with the axis of the fixed section 2. When the connecting section 11 is connected to the fixed section 2, the connecting rod 51 is screwed into the connecting groove 52, the end surface of the fixed section 2 abuts against the end surface of the connecting section 11, and the side wall of the fixed section 2 and the side wall of the connecting section 11 maintain the same plane.

Referring to fig. 2 and 3, a rounded inverse right angle 521 is provided between the end surface of the connecting groove 52 close to the fixed segment 2 and the connecting groove 52, a reinforcing rib 511 in the form of a triangular plate is provided between the end of the fixed segment 2 and the side wall of the connecting rod 51, and the side wall of the reinforcing rib 511 abuts against the inclined surface of the inverse right angle 521.

Further preventing the connecting groove 52 and the connecting rod 51 from loosening, a stabilizing sleeve 53 which is fixed with the connecting section 11 and the fixing section 2 in the circumferential direction at the same time is slidably sleeved outside the connecting section 11 and the fixing section 2; meanwhile, the outer wall of the surrounding connecting section 11 is protruded with an annular convex edge 15, one end of the stabilizing sleeve 53 is abutted against the side wall of the annular convex edge 15, and the other end of the stabilizing sleeve 53 is abutted against the fixed sleeve 3. Specifically, when the fixed sleeve 3 is driven to rotate, the fixed sleeve 3 drives the fixed section 2 to rotate, the fixed section 2 drives the connecting section 11 to rotate through the stabilizing sleeve 53, and the connecting section 11 drives the processing section 1 to process the PCB.

Further realize that firm cover 53 is fixed with the circumference of linkage segment 11 and canned paragraph 2 simultaneously, the first fixed plane 61 has been seted up along its axial to the outer wall of linkage segment 11, and first fixed plane 61 leads to in the one end that linkage segment 11 kept away from processing section 1, and the lateral wall of canned paragraph 2 has also seted up first fixed plane 61 along its axial, and this first fixed plane 61 links in the both ends face of canned paragraph 2, and two first fixed planes 61 are located the coplanar. Meanwhile, the inner wall of the stabilizing sleeve 53 is provided with a second fixing plane 62 along the axial direction, and the second fixing plane 62 is attached to the two first fixing planes 61. Specifically, the worker connects the fixing section 2 to the connecting section 11 through the connecting groove 52 and the screw thread of the connecting rod 51, and at this time, the fixing sleeve 53 slides to the outside of the connecting section 11 through the end of the fixing section 2 far away from the connecting section 11, and the second fixing plane 62 slides relative to the first fixing plane 61.

Further make fixed cover 3 more firm when by the centre gripping, the interval is provided with anti-skidding line 31 around fixed cover 3, and the both ends of anti-skidding line 31 are connected respectively in the both ends of fixed cover 3, the inner wall of fixed cover 3 and the lateral wall interference fit of fixed section 2.

Referring to fig. 1, the machining process of the machining section 1 has good chip removal performance. At least two spiral right grooves 12 are formed from one end to the other end of the processing section 1, a blade 14 for processing the PCB forever is formed between the two right grooves 12, and the waste chips are discharged from the right grooves 12; meanwhile, a left groove 13 penetrating through the two right grooves of the groove is formed between the two right grooves 12 from one end to the other end of the processing section 1, so that the discharge of the waste chips is further improved.

The implementation principle of the embodiment is as follows: the part of the milling cutter that is intended to be clamped is the fixed section 2, and the fixed section 2 is made of a steel material that is cheaper than tungsten steel, thereby saving the production cost of the milling cutter.

Because the processing section 1 can only be used once and needs to be replaced, the working personnel can disassemble the processing section 1 and connect the new processing section 1 through the connecting component 5 for use, thereby further saving the cost of the milling cutter.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a saving type milling cutter, includes processing section (1) made by tungsten steel, spiral helicine right slot (12) are seted up from its one end to the other end to processing section (1), and two be formed with cutting edge (14) that are used for processing the PCB board between right slot (12), its characterized in that: the one end of processing section (1) is provided with linkage segment (11) with the axial integration, linkage segment (11) are kept away from the one end of processing section (1) is provided with canned paragraph (2) with the axial integration, the material of canned paragraph (2) adopts stereoplasm steel, canned paragraph (2) cover is equipped with fixed cover (3) of using with the anchor clamps cooperation.

2. The saving milling cutter according to claim 1, wherein: a connecting assembly (5) is arranged between the connecting section (11) and the fixed section (2), the connecting assembly (5) comprises a connecting groove (52) arranged at the end part of the connecting section (11) and a connecting rod (51) fixed at the end part of the fixed section (2), and the connecting rod (51) is in threaded connection with the connecting groove (52); the connecting section (11) and the outer side of the fixed section (2) are sleeved with stabilizing sleeves (53), and the stabilizing sleeves (53) are circumferentially fixed with the fixed section (2) and the connecting section (11) at the same time.

3. An economical milling cutter according to claim 2, characterized in that: the side wall of the connecting section (11) is provided with first fixing planes (61) along the axial direction, the side wall of the fixing section (2) is also provided with first fixing planes (61) communicated with the two ends of the fixing section (2), and the two first fixing planes (61) are positioned on the same plane; and a second fixing plane (62) which is simultaneously attached to the two first fixing planes (61) is arranged on the inner wall of the stabilizing sleeve (53).

4. A saving milling cutter according to claim 3, wherein: the side wall of the connecting section (11) is protruded with an annular convex edge (15), and the stabilizing sleeve (53) is abutted between the annular convex edge (15) and the annular convex edge (15).

5. The saving milling cutter according to claim 1, wherein: the outer wall of the fixed sleeve (3) is provided with anti-skid grains (31) along the axial direction.

6. The saving milling cutter according to claim 1, wherein: and a left groove (13) penetrating through the two right grooves (12) is formed in the side wall of the processing section (1) from one end to the other end of the side wall.

7. An economical milling cutter according to claim 2, characterized in that: a reinforcing rib (511) which is a triangular sheet body is arranged between the connecting rod (51) and the end face of the fixed section (2), a right angle (521) is arranged between the end face of the connecting section (11) and the connecting groove (52), and the reinforcing rib (511) is abutted to the inclined plane of the right angle (521).