PCB milling cutter with blocking groove

Abstract

The utility model belongs to the technical field of PCB (printed circuit board) milling cutters, particularly relates to a PCB milling cutter with a retaining groove, and aims to solve the problem of splashing of sweeps in the prior art, the PCB milling cutter comprises a cutter handle, a fixed block is fixed on the outer wall of the cutter handle, and an adjusting mechanism is arranged below the fixed block; the adjusting mechanism comprises a sleeve, the sleeve is rotationally connected to the bottom end of the fixed block, a rotating block is fixed to the end, penetrating into the fixed block, of the sleeve, a connecting rod penetrates out of the bottom end of the sleeve, and a sliding block is arranged below the connecting rod. According to the situation, the connecting block drives the sleeving block to adjust the position, the applicability is improved, the baffle can always shield and prevent chippings and the like from splashing and diffusing, the stability of the sliding process is improved through the connecting hole in cooperation with the limiting groove and the limiting block, and the situation that the baffle shakes is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a PCB milling cutter, concretely to a PCB milling cutter with a blocking groove, belongs to the PCB milling cutter technical field. BACKGROUND

[0002] The PCB milling cutter used in the processing of circuit board (PCB) comprises a blade part and a handle part, the handle part is clamped by a chuck during use, and the blade part is mainly used for cutting and milling cutting force, and the handle part is used for bearing the clamping force of the chuck, the PCB milling cutter is also called a milling cutter, and is used in the post-process of PCB (or pressing and fishing an outer frame), and the main purpose is to cut the prepared circuit board into individual PCS or SPNL by using the cutter, and then deliver the PCS or SPNL to customers.

[0003] In the prior art, such as the PCB milling cutter with a waste chip blocking groove disclosed in the announcement No. CN210702776U, the utility model discloses a waste chip blocking ring, and in the process that the milling cutter mills a workpiece, the waste chip discharged from the milling cutter head is blocked by the waste chip blocking ring, is discharged from the waste chip blocking groove at the same time, and the waste chip is discharged to the periphery from the bottom end outer wall of the cutter handle, so that the waste chip can quickly separate from the milling cutter, and the problem that the waste chip discharged from the milling cutter head is upwardly discharged along the cutter handle and interferes with the cutter chuck is solved.

[0004] However, it is found in the implementation of the related technology that the above-mentioned PCB milling cutter with a waste chip blocking groove has the following problems: although the cooperation of the waste chip blocking ring and other components in the prior art can avoid the upward discharge of the waste chip along the cutter handle, in the actual use process, the milling cutter rotates at high speed, which leads to the splashing of the waste chip, and the surrounding environment is difficult to clean up in the later period, therefore, the PCB milling cutter with a blocking groove is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model discloses a PCB milling cutter with a blocking groove to solve the problem that the milling cutter rotates at high speed, which leads to the splashing of the waste chip, and the surrounding environment is difficult to clean up in the later period.

[0006] The utility model discloses a PCB milling cutter with a blocking groove to solve the problem that the milling cutter rotates at high speed, which leads to the splashing of the waste chip, and the surrounding environment is difficult to clean up in the later period.

[0007] The adjusting mechanism comprises a sleeve, the sleeve is rotationally connected to the bottom end of the fixed block, one end of the sleeve penetrating into the fixed block is fixed with a rotating block, a connecting rod penetrates out of the bottom end of the sleeve, a sliding block is arranged below the connecting rod, a connecting hole is formed in the position corresponding to the cutter handle in the sliding block, a connecting block is fixed to the bottom end of the sliding block, a sleeving block is fixed to the outer wall of the connecting block, and a baffle is installed below the outer portion of the sleeving block.

[0008] As a further scheme of the utility model: the connecting rod is in threaded connection with the sleeve, and the sleeve and the fixed block are in rotating structure through the rotating block.

[0009] As a further scheme of the utility model: the sliding block is in fixed connection with the connecting block, and the sliding block and the shank are in sliding structure.

[0010] As a further scheme of the utility model: the lower portion of the shank outer wall fixed block is provided with a limiting groove, and the connecting hole is internally provided with a limiting block corresponding to the position of the limiting groove.

[0011] As a further scheme of the utility model: the lower portion of the shank is provided with a connecting mechanism, the connecting mechanism comprises a threaded column, the threaded column penetrates the bottom end of the shank, a connecting block is fixedly arranged at the lower portion of the threaded column, a shank rod is fixedly arranged at the bottom end of the connecting block, and a through hole is formed in the connecting block corresponding to the position of the shank rod.

[0012] As a further scheme of the utility model: the connecting mechanism further comprises a clamping groove, the clamping groove is arranged on the inner wall of the through hole, and a clamping block is fixedly arranged on the outer wall of the connecting block corresponding to the position of the clamping groove.

[0013] As a further scheme of the utility model: the connecting block is in fixed connection with the shank through the threaded column, and the connecting block and the through hole are in sliding structure.

[0014] The utility model discloses the beneficial effect is: firstly rotating sleeve, under the clamping of fixed block, let rotating block rotate, thereby promoting the position of connecting rod adjusting sliding block, according to the situation adjusting let connecting block drive sleeve block adjust position improve applicability, let baffle can always shield and avoid the splashing diffusion of debris, through connecting hole and cooperate limiting groove and limiting block, improve the stability of sliding process, and avoid the shaking condition of baffle appearing, shank rod passes through connecting block and threaded column, and the shank is assembled simultaneously, when the connecting block slides, the through hole slides along the shank, thereby let clamping groove clamping clamping block, improve the shank and shank rod connection stability, and avoid the shaking of shank rod when working to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is whole structure schematic view of the utility model;

[0016] Fig. 2 It is connecting rod structure schematic view of the utility model;

[0017] Fig. 3 It is through hole structure schematic view of the utility model;

[0018] Fig. 4 It is clamping block structure schematic view of the utility model.

[0019] In the figure: 1. tool handle; 2. fixed block; 3. adjusting mechanism; 301. sleeve; 302. rotating block; 303. connecting rod; 304. sliding block; 305. connecting hole; 306. connecting block; 307. sleeve block; 308. baffle; 4. limiting groove; 5. limiting block; 6. connecting mechanism; 601. threaded column; 602. connecting block; 603. tool rod; 604. through hole; 605. slot; 606. clamping block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0021] like Figs. 1 to 4 As shown, a PCB milling cutter with a retaining groove includes a tool handle 1, a fixed block 2 is fixed to the outer wall of the tool handle 1, and an adjusting mechanism 3 is provided below the fixed block 2; the adjusting mechanism 3 includes a sleeve 301, the sleeve 301 is rotatably connected to the bottom end of the fixed block 2, and a rotating block 302 is fixed to one end of the sleeve 301 that penetrates into the fixed block 2, a connecting rod 303 is passed through the bottom end of the sleeve 301, and a sliding block 304 is provided below the connecting rod 303, a connecting hole 305 is opened in the sliding block 304 at a position corresponding to the tool handle 1, a connecting block 306 is fixed to the bottom end of the sliding block 304, a sleeve block 307 is fixed to the outer wall of the connecting block 306, a baffle 308 is installed on the outside of the sleeve block 307, the connecting rod 303 is threadedly connected to the sleeve 301, and the sleeve 301 is threadedly connected to the sleeve 301. The rotating block 302 and the fixed block 2 form a rotating structure, the sliding block 304 is fixedly connected to the connecting block 306, and the sliding block 304 and the knife handle 1 form a sliding structure. A limiting groove 4 is provided below the fixed block 2 on the outer wall of the knife handle 1, and a limiting block 5 is fixed at the position corresponding to the limiting groove 4 inside the connecting hole 305; first, rotate the sleeve 301, and rotate the rotating block 302 under the engagement of the fixed block 2, thereby pushing the connecting rod 303 to adjust the position of the sliding block 304, and adjust the position of the sleeve block 307 to improve applicability according to the situation, so that the baffle 308 can always be blocked to prevent debris from splashing and spreading, and the stability of the sliding process is improved by cooperating with the limiting groove 4 and the limiting block 5 through the connecting hole 305, and the shaking of the baffle 308 is avoided. Example 2

[0022] The embodiment includes all the technical features in embodiment one, and further includes that the lower part of the tool holder 1 is provided with a connecting mechanism 6, the connecting mechanism 6 includes a threaded column 601, the threaded column 601 penetrates through the bottom end of the tool holder 1, the lower part of the threaded column 601 is fixedly connected with a connecting block 602, the bottom end of the connecting block 602 is fixedly connected with a tool rod 603, a through hole 604 is formed in the connecting block 306 corresponding to the position of the tool rod 603, the connecting mechanism 6 further includes a clamping groove 605, the clamping groove 605 is formed in the inner wall of the through hole 604, the connecting block 602 is fixedly connected with a clamping block 606 corresponding to the position of the clamping groove 605, the connecting block 602 is fixedly connected with the tool holder 1 through the threaded column 601, and a sliding structure is formed between the connecting block 602 and the through hole 604; the tool rod 603 is quickly assembled with the tool holder 1 through the connecting block 602 and the threaded column 601, and when the connecting block 306 slides, the through hole 604 slides along the tool holder 1, so that the clamping groove 605 clamps the clamping block 606, the stability of the connection between the tool holder 1 and the tool rod 603 is improved, and the shaking of the tool rod 603 during the rotation of the tool rod 603 is avoided.

[0023] Working principle: firstly, the tool holder 1 and the threaded column 601 are threadedly connected and assembled, then the connecting block 602 and the tool rod 603 form an integral milling cutter, and the integral milling cutter is convenient to disassemble and replace, under the support of the fixed block 2, the rotating sleeve 301 is connected with the rotating block 302, so that the connecting rod 303 pushes the sliding block 304, the connecting hole 305 slides along the tool holder 1, drives the connecting block 306, so that the sleeving block 307 adjusts the position of the baffle 308, avoids the splashing of debris and the like, and makes the limiting block 5 slide along the limiting groove 4, improves the sliding stability, avoids the rotation of the baffle 308, and avoids the loosening of the tool rod 603 during the rotation of the tool rod 603.

[0024] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A PCB milling cutter with a retaining groove, comprising a tool handle (1), characterized in that: A fixing block (2) is fixed to the outer wall of the knife handle (1), and an adjustment mechanism (3) is provided below the fixing block (2); The adjusting mechanism (3) comprises a sleeve (301), wherein the sleeve (301) is rotatably connected to the bottom end of the fixed block (2), and a rotating block (302) is fixed to one end of the sleeve (301) that penetrates the fixed block (2), a connecting rod (303) is passed through the bottom end of the sleeve (301), and a sliding block (304) is provided below the connecting rod (303), a connecting hole (305) is provided inside the sliding block (304) at a position corresponding to the knife handle (1), and a connecting block (306) is fixed to the bottom end of the sliding block (304), a sleeve block (307) is fixed to the outer wall of the connecting block (306), and a baffle (308) is installed below the outer portion of the sleeve block (307).

2. The PCB milling cutter with retaining groove according to claim 1, characterized in that: The connecting rod (303) is threadedly connected to the sleeve (301), and the sleeve (301) forms a rotating structure through the rotating block (302) and the fixed block (2).

3. The PCB milling cutter with retaining groove according to claim 1, characterized in that: The sliding block (304) is fixedly connected to the connecting block (306), and a sliding structure is formed between the sliding block (304) and the knife handle (1).

4. The PCB milling cutter with retaining groove according to claim 1, characterized in that: A limiting groove (4) is provided below the fixing block (2) on the outer wall of the knife handle (1), and a limiting block (5) is fixed inside the connecting hole (305) at a position corresponding to the limiting groove (4).

5. The PCB milling cutter with retaining groove according to claim 1, characterized in that: A connecting mechanism (6) is provided below the knife handle (1), and the connecting mechanism (6) includes a threaded column (601), the threaded column (601) passes through the bottom end of the knife handle (1), and a connecting block (602) is fixed below the threaded column (601), a knife rod (603) is fixed at the bottom end of the connecting block (602), and a through hole (604) is provided inside the connecting block (306) at a position corresponding to the knife rod (603).

6. The PCB milling cutter with retaining groove according to claim 5, characterized in that: The connecting mechanism (6) further comprises a slot (605), wherein the slot (605) is provided on the inner wall of the through hole (604), and a slot (606) is fixed on the outer wall of the connecting block (602) at a position corresponding to the slot (605).

7. The PCB milling cutter with retaining groove according to claim 6, characterized in that: The connecting block (602) is fixedly connected to the shank (1) via a threaded column (601), and a sliding structure is formed between the connecting block (602) and the through hole (604).

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