CN211489812U

CN211489812U - Milling cutter is used in production of PCB board

Info

Publication number: CN211489812U
Application number: CN201921918531.3U
Authority: CN
Inventors: 邓志明
Original assignee: Suzhou Dongen Electronic Technology Co ltd
Current assignee: Suzhou Dongen Electronic Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-15
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a milling cutter for PCB production, which comprises a thread collecting column and a thread sealing cover, wherein a slot fixing column device is arranged at the internal position of the thread collecting column, the slot fixing column device comprises a fixing cylinder, an internal thread fixing hole and a square slot, the square slot is arranged at the internal position of the right end of the fixing cylinder, the internal thread fixing hole is arranged at the internal positions of the front side and the rear side of the right side of the fixing cylinder, the milling cutter is arranged into two parts of the slot fixing column device and a first inserted column milling cutter, the first inserted column milling cutter is fixedly connected with the slot fixing column device through a fixing nut, the inserted column milling cutters with different specifications can be replaced by disassembling the slot fixing column device and the first inserted column milling cutter, the damaged first inserted column milling cutter can be replaced at the same time, and the slot fixing column device can be used continuously, this reduces the production costs.

Description

Milling cutter is used in production of PCB board

Technical Field

The utility model belongs to the technical field of PCB production is with milling cutter is relevant, concretely relates to milling cutter is used in PCB production.

Background

The milling cutter used by the PCB is also called a routing tool, is used in the post process (or outer frame stitching and fishing) of the PCB, and mainly aims to cut the manufactured circuit board into individual PCS or SPNL by using the cutter and then deliver the PCS or SPNL to a customer; namely the final product size required by the customer; mainly for cutting, the blade and the direction of force are in the transverse direction, similar to a drill point, but the direction of force and cutting of the drill point is at the drill point.

The existing milling cutter technology for PCB production has the following problems: when the existing milling cutter for PCB production is used, because the milling cutter is a whole, when drilling with different sizes is carried out, workers need to prepare milling cutters with different specifications, and meanwhile when the milling cutter is broken, the workers need to replace the whole milling cutter, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling cutter is used in production of PCB board to the increase manufacturing cost problem that proposes among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a milling cutter for PCB production comprises a thread collection column and a thread sealing cover, wherein a slot fixing column device is arranged at the inner position of the thread collection column and comprises a fixing cylinder, an internal thread fixing hole and a square slot, the square slot is arranged at the inner position of the right end of the fixing cylinder, internal thread fixing holes are arranged at the inner positions of the front side and the rear side of the right side of the fixing cylinder, the two internal thread fixing holes are arranged at the middle positions of the front end and the rear end of the square slot, a first insert column type milling cutter is arranged at the position of the right side of the slot fixing column device and comprises a trapezoid connecting cylinder, a square insert column, an internal thread connecting hole and a fixing milling cutter, a trapezoid connecting cylinder is arranged at the left end of the fixing milling cutter, a square insert column is arranged at the middle position of the left end of the trapezoid connecting cylinder, and an internal thread connecting hole is arranged at the inner, the first inserted column type milling cutter is fixedly connected with the slot fixing column device through a fixing nut, the first inserted column type milling cutter is located at the inner position of the thread collection column, the position below the first inserted column type milling cutter is provided with a second inserted column type milling cutter, the second inserted column type milling cutter is located at the inner position of the thread collection column, and the right position of the thread collection column is provided with a thread sealing cover.

Preferably, the shape structure of the thread collection column is a transparent hollow cylinder structure, an internal thread connector is arranged at the inner position of the right side of the thread collection column, and the thickness of the thread collection column is set to be two millimeters.

Preferably, the position of the outer wall of the slot fixing column device is provided with an anti-skid paint layer structure, and the length of the slot fixing column device is set to be five centimeters.

Preferably, the position of the outer wall of the first inserted column type milling cutter is provided with an anti-skid paint layer structure, and the length of the first inserted column type milling cutter is set to be three centimeters.

Preferably, the fixing nut is composed of a fixing bolt and a fixing nut, the fixing nut is located at the position of the outer wall of the fixing bolt, and an anti-skid paint layer structure is arranged at the position of the outer wall of the fixing nut.

Preferably, the trapezoidal connecting cylinder, the square inserting column and the internal thread connecting hole in the second inserting column type milling cutter are the same as the trapezoidal connecting cylinder, the square inserting column and the internal thread connecting hole in the first inserting column type milling cutter in shape and size, and the diameter and the length of the fixed milling cutter in the second inserting column type milling cutter are different from those of the fixed milling cutter in the first inserting column type milling cutter.

Preferably, the shape structure of the thread sealing cover is a convex cylindrical structure, and a silica gel pad is arranged at the left end of the thread sealing cover.

Compared with the prior art, the utility model provides a milling cutter is used in production of PCB board possesses following beneficial effect:

1. the utility model discloses set slot fixed column device and two parts of a post milling cutter of inserting with milling cutter, and a post milling cutter of inserting passes through fixation nut and slot fixed column device fixed connection, disassemble work through fixing the slot fixed column device and a post milling cutter of inserting, just can change the post milling cutter of inserting of different specifications, also can change the post milling cutter of inserting of damage simultaneously, and slot fixed column device can also continue to use, just so reduced manufacturing cost.

2. When the utility model is provided with the slot fixing column device and the first inserted column milling cutter, when replacing the inserted column milling cutters with different specifications (or replacing the damaged first inserted column milling cutter), the worker firstly rotates the fixing nut in the fixing nut to lead the fixing nut and the fixing bolt to be separated rotationally, then the fixing bolt is rotated to respectively separate the fixing bolt from the internal thread fixing hole and the internal thread connecting hole, then the first inserted column type milling cutter is pulled outwards to separate the square inserted column from the square inserting groove, thereby separating the first insert column type milling cutter from the slot fixing column device, facilitating the replacement of insert column type milling cutters with different specifications (or the replacement of damaged first insert column type milling cutters), meanwhile, the slot fixing column device can be continuously used, so that the production cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a milling cutter for producing a PCB board according to the present invention;

fig. 2 is a schematic structural view of a slot fixing post device provided by the present invention;

fig. 3 is a schematic structural view of a first insert type milling cutter provided by the present invention;

in the figure: 1. a thread collection post; 2. a slot fixing post device; 21. fixing the cylinder; 22. an internal thread fixing hole; 23. a square slot; 3. fixing a nut; 4. a first slotting cutter; 41. a trapezoidal connecting cylinder; 42. square inserting columns; 43. an internal thread connecting hole; 44. fixing the milling cutter; 5. a thread sealing cover; 6. no. two insert the column type milling cutter.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a milling cutter for PCB production comprises a thread collection column 1 and a thread sealing cover 5, wherein the thread collection column 1 is of a transparent hollow cylindrical structure, an internal thread connector is arranged at the inner position of the right side of the thread collection column 1, the thickness of the thread collection column 1 is two millimeters, objects can be better collected through the thread collection column 1, and meanwhile, in order to better achieve the protection work, a slot fixing column device 2 is arranged at the inner position of the thread collection column 1, the slot fixing column device 2 comprises a fixing cylinder 21, internal thread fixing holes 22 and a square slot 23, a square slot 23 is arranged at the inner position of the right end of the fixing cylinder 21, internal thread fixing holes 22 are arranged at the inner positions of the front side and the rear side of the right side of the fixing cylinder 21, the two internal thread fixing holes 22 are arranged at the middle positions of the front end and the rear end of the square slot 23, and an anti-skid paint layer structure is arranged at, the length of the slot fixing column device 2 is set to be five centimeters, in order to better disassemble and better fix with external equipment and prevent falling, a first inserted column type milling cutter 4 is arranged at the position of the right side of the slot fixing column device 2, the first inserted column type milling cutter 4 comprises a trapezoid connecting cylinder 41, a square inserted column 42, an internal thread connecting hole 43 and a fixed milling cutter 44, the position of the left end of the fixed milling cutter 44 is provided with the trapezoid connecting cylinder 41, the middle position of the left end of the trapezoid connecting cylinder 41 is provided with the square inserted column 42, the middle internal thread connecting hole 43 is arranged at the internal position of the square inserted column 42, the position of the outer wall of the first inserted column type milling cutter 4 is provided with an anti-skid paint layer structure, the length of the first inserted column type milling cutter 4 is set to be three centimeters, in order to better perform drilling work and better disassemble and replace work, the first inserted column type milling cutter 4 is fixedly connected with the slot fixing column device 2 through the fixing nut 3, the fixing nut 3 consists of a fixing bolt and a fixing nut, the fixing nut is positioned at the position of the outer wall of the fixing bolt, the position of the outer wall of the fixing nut 3 is provided with an anti-skid paint layer structure, the first inserted column type milling cutter 4 can better perform fixing work with the slot fixing column device 2 through the fixing nut 3, the first inserted column type milling cutter 4 is positioned at the inner position of the thread collection column 1, the second inserted column type milling cutter 6 is arranged at the position below the first inserted column type milling cutter 4, the second inserted column type milling cutter 6 is positioned at the inner position of the thread collection column 1, the trapezoidal connecting cylinder 41, the square inserted column 42 and the internal thread connecting hole 43 in the second inserted column type milling cutter 6 are the same as the trapezoidal connecting cylinder 41, the square inserted column 42 and the internal thread connecting hole 43 in the first inserted column type milling cutter 4 in shape and size, fixed milling cutter 44's in No. two inserted column milling cutter 6 diameter and length and fixed milling cutter 44's in a inserted column milling cutter 4 diameter and length are different, through No. two inserted column milling cutter 6, can carry out drilling processing work to the PCB board better, 1 right side position department of screw thread collection post is provided with thread sealing lid 5, thread sealing lid 5's shape structure sets up to type of protruding cylinder structure, 5 left end position departments of thread sealing lid are provided with the silica gel pad, collect 1 swivelling joint in post through thread sealing lid 5 and screw thread, can put the thing piece and drop better.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the worker firstly rotates the thread sealing cover 5 to separate the thread sealing cover 5 from the thread collecting column 1, then takes the whole milling cutter and the milling cutter components out of the thread collecting column 1, at this time, the worker determines the specification of the insert column type milling cutter according to the actual condition of the PCB, after the specification of the insert column type milling cutter is determined, the worker rotates the fixing nut in the fixing nut 3 to separate the fixing nut from the fixing bolt, then rotates the fixing bolt to separate the fixing bolt from the internal thread fixing hole 22 and the internal thread connecting hole 43 respectively, and then pulls the insert column type milling cutter 4 outwards to separate the square insert column 42 from the square slot 23, thereby separating the insert column type milling cutter 4 from the slot fixing column device 2, so that the worker can replace the insert column type milling cutter with the determined specification, after the replacement is completed, the worker can fixedly connect the whole milling cutter with an external drilling machine, so that the milling cutter can be put into use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling cutter is used in production of PCB board, collects post (1) and thread sealing lid (5) including the screw thread, its characterized in that: the thread collecting column (1) is provided with a slot fixing column device (2) at the inner position, the slot fixing column device (2) comprises a fixing cylinder (21), internal thread fixing holes (22) and a square slot (23), the square slot (23) is arranged at the inner position of the right end of the fixing cylinder (21), the internal thread fixing holes (22) are arranged at the inner positions of the front side and the rear side of the right side of the fixing cylinder (21), the two internal thread fixing holes (22) are positioned at the middle positions of the front end and the rear end of the square slot (23), a first inserted column type milling cutter (4) is arranged at the position of the right side of the slot fixing column device (2), the first inserted column type milling cutter (4) comprises a trapezoid connecting cylinder (41), a square inserted column (42), an internal thread connecting hole (43) and a fixing milling cutter (44), and the trapezoid connecting cylinder (41) is arranged at the position of the left end, trapezoidal connection cylinder (41) left end intermediate position department is provided with square post (42) of inserting, square post (42) middle internal position department of inserting is provided with female connection hole (43), insert post formula milling cutter (4) through fixation nut (3) and slot fixed column device (2) fixed connection, insert post formula milling cutter (4) and be located screw thread collection post (1) internal position department, insert post formula milling cutter (4) below position department and be provided with No. two and insert post formula milling cutter (6), insert post formula milling cutter (6) No. two and be located screw thread collection post (1) internal position department, screw thread collection post (1) right side position department is provided with thread sealing lid (5).

2. The milling cutter for PCB production as set forth in claim 1, wherein: the shape structure of screw thread collection post (1) sets up to transparent hollow circular cylinder structure, screw thread collection post (1) right side inside position department is provided with the internal thread connector.

3. The milling cutter for PCB production as set forth in claim 1, wherein: the anti-skid paint layer structure is arranged at the position of the outer wall of the slot fixing column device (2), and the length of the slot fixing column device (2) is set to be five centimeters.

4. The milling cutter for PCB production as set forth in claim 1, wherein: and an anti-skid paint layer structure is arranged at the outer wall of the first inserted column type milling cutter (4).

5. The milling cutter for PCB production as set forth in claim 1, wherein: fixing nut (3) comprises fixing bolt and fixation nut, and fixation nut is located fixing bolt outer wall position department, fixing nut (3) outer wall position department is provided with anti-skidding paint layer structure.

6. The milling cutter for PCB production as set forth in claim 1, wherein: trapezoidal connection cylinder (41), square inserted column (42) and female connection hole (43) in No. two inserted column milling cutter (6) are the same with trapezoidal connection cylinder (41), square inserted column (42) and female connection hole (43) shape size in No. one inserted column milling cutter (4), the diameter and the length of fixed milling cutter (44) in No. two inserted column milling cutter (6) are different with the diameter and the length of fixed milling cutter (44) in No. one inserted column milling cutter (4).

7. The milling cutter for PCB production as set forth in claim 1, wherein: the shape structure of thread sealing lid (5) sets up to type of protruding cylinder structure, thread sealing lid (5) left end position department is provided with the silica gel pad.