CN221338719U

CN221338719U - Milling cutter cleaning air shower mechanism for plate separator

Info

Publication number: CN221338719U
Application number: CN202322895531.9U
Authority: CN
Inventors: 邓志文; 谭晓平
Original assignee: Dongguan Ruisheng Automatic Control Technology Co ltd
Current assignee: Dongguan Ruisheng Automatic Control Technology Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-07-16
Anticipated expiration: 2033-10-27

Abstract

The utility model belongs to the technical field of PCB (printed circuit board) dividing machines, and particularly relates to a milling cutter cleaning air shower mechanism for a dividing machine, which comprises a movable base, wherein the movable base is in driving connection with the movable mechanism, the bottom of the front surface of the movable base is connected with a milling cutter, the outer side of the milling cutter is sleeved with a dust hood with a downward opening, an air passage of the dust hood is communicated with a dust collection system, an air shower sleeve with an upward opening is arranged below the milling cutter, an inner cavity of the air shower sleeve is communicated with a blast module, and the front end of the milling cutter is movably sleeved in the air shower sleeve. According to the air shower mechanism provided by the utility model, after the PCB is cut by the milling cutter of the board separator, dust particles adhered on the milling cutter can be timely and fully removed by the air shower and the air shower matched with the dust suction mechanism, so that the dust particles are effectively prevented from obstructing the milling process, the running abrasion of the milling cutter is reduced, and the service life of the milling cutter is prolonged.

Description

Milling cutter cleaning air shower mechanism for plate separator

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) dividing machines, in particular to a milling cutter cleaning air shower mechanism for a PCB dividing machine.

Background

The PCB (Printed Circuit Board ) is a carrier for electrical connection of the electronic components. In industry, in order to realize mass production of PCBs, a plurality of PCBs are generally fabricated on one board, and then each PCB is milled and separated using a PCB handler. After being cut into single PCB products, the single PCB needs to be orderly placed into a product carrying disc for the next processing in a centralized manner.

In the PCB cutting process, the milling cutter rotates at a high speed to crush the PCB into fine powder scraps, and the dust collection port adsorbs the powder scraps to finish the plate separation and dust removal. The milling cutter is a multi-edge milling cutter, and cutting force and extrusion force in the direction of a cutter path can be generated on the PCB in the cutting process, so that dust accumulation can be generated at the cutting edge. Particularly, the PCB board with compact compression is larger in dust particles, part of dust can enter a gap of a milling cutter blade, the dust is tighter through extrusion, and is accumulated continuously, so that the cutter becomes blunt, and even a cutter breaking accident can occur under the condition that the resistance is increased continuously. Therefore, when such PCBs are cut, the case that the service life of the milling cutter is short and frequent tool changing is required often occurs.

In the patent document with the patent number CN202011054767.4, the name "PCB board separator" is disclosed a PCB board separator, which comprises a frame, a board separating processing device, a conveying device, a carrying rack for carrying carrier boards and PCB boards, and a capping mechanism mounted on the carrying rack, wherein the board separating processing device and the conveying device are mounted on the frame, the board separating processing device is disposed above the conveying device, the board separating processing device is used for milling the PCB boards on the carrying rack, the carrying rack is mounted at the output end of the conveying device, the conveying device drives the carrying rack to move away from or close to the board separating processing device, the capping mechanism is disposed above the carrying rack, the capping mechanism can selectively move away from or close to the carrying rack, the capping mechanism has at least one capping position directly above the carrying rack and an opening position far from the carrying rack, and the capping mechanism located at the capping position selectively presses the carrying rack to position the carrier boards and PCB boards on the carrying rack. The structural scheme of the board separator is not set for dust collection treatment, so that the problem of how to properly treat dust adsorbed on the milling cutter blade, thereby reducing the probability of cutting the milling cutter and prolonging the service life of the milling cutter is still to be solved.

In view of the foregoing, there is a need for improved dust particle cleaning mechanisms for the positions of panel cutter cutters.

Disclosure of utility model

In order to solve the problem that dust collection mechanisms of general PCB board separators cannot effectively and timely remove dust and fragments adsorbed on milling cutter blades of a board separation main shaft, part of dust can enter gaps of the milling cutter blades, the dust is tighter and is accumulated continuously through extrusion, the milling cutter blades are dulled or even broken cutter accidents are caused easily, and the service life of the milling cutter is short, the milling cutter cleaning air shower mechanism for the board separators is provided.

A clean wind of milling cutter drenches mechanism for board separator, including moving the base, the last drive of moving the base is connected with moving mechanism, and moving the front bottom of base is connected with the milling cutter, the dust hood of downwardly opening has been cup jointed in the outside of milling cutter, dust hood gas circuit intercommunication has dust extraction system, and the below of milling cutter is provided with upwards open-ended wind and drenches the sleeve, wind drenches telescopic inner chamber intercommunication blast module, the front end activity of milling cutter cup joints in the wind and drenches the sleeve.

Further, the inner cavity of the air shower sleeve is surrounded by a plurality of air outlet assemblies, and the air outlet assemblies are all in air path communication with the air blowing module.

Further, the air outlet assembly comprises a plurality of air outlets which are vertically arranged.

Further, the air shower sleeve comprises an outer sleeve and an inner sleeve, an outer cavity is formed in the inner side of the outer sleeve, the outer cavity is communicated with the air channel of the air blast module, the inner sleeve is sleeved in the outer cavity, an inner cavity is formed in the inner side of the inner sleeve, the air outlet penetrates through the outer side of the inner sleeve and the inner cavity, and the front end of the milling cutter is movably sleeved in the inner cavity.

Further, the moving mechanism comprises a two-axis moving platform, a lifting platform is arranged on the moving base, and the milling cutter is fixedly arranged on the lifting platform.

Further, the lifting platform is sleeved on the vertical guide rail in a sliding manner, the lifting platform is connected with a driving screw rod in series through a nut, and the driving screw rod is coaxially connected with a lifting servo in series.

Further, the side face of the vertical guide rail is provided with proximity sensors corresponding to the top and the bottom, the proximity sensors are electrically connected with lifting servo, and the side face of the lifting platform is provided with a trigger piece corresponding to the proximity sensors.

Further, the milling cutter includes a split spindle and a milling head removably attached to a front end of the split spindle.

Further, the air blowing module comprises an ion fan, and an air passage of the ion fan is connected with an inner cavity of the ventilation shower sleeve.

Further, a tool bit sensor is arranged above the air shower sleeve, and the tool bit sensor is electrically connected with the dust collection system and the air blast module.

The utility model has the advantages that:

1. The dust particles adhered on the milling cutter can be sufficiently removed by utilizing the blowing air shower and the dust suction, so that the abrasion obstruction of the dust particles to the milling operation is avoided.

2. The operation abrasion of the milling cutter can be effectively reduced, so that the service life of the milling cutter is prolonged.

3. The structure is simple, can be added on the original board separator equipment, and is convenient for popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a bottom view block diagram of a milling cutter cleaning air shower mechanism for a board separator;

FIG. 2 is an exploded view of the air shower sleeve;

FIG. 3 is a schematic view of a milling head inserted into a shower sleeve;

fig. 4 is an isometric view of a milling cutter cleaning air shower mechanism for a board separator.

The attached drawings are identified:

1. a moving base; 101. a lifting platform; 102. a vertical guide rail; 103. a nut; 104. driving a screw rod; 2. milling cutter; 201. a dividing main shaft; 202. a milling head; 3. a dust hood; 4. a wind spraying sleeve; 401. an outer sleeve; 402. an outer cavity; 403. an inner sleeve; 404. an inner cavity; 5. an air outlet; 6. lifting servo; 7. a proximity sensor; 8. and a trigger piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "inner", "middle" and "a" and the like are used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship are described in the foregoing description without any substantial change of technical content.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1 to 3, this embodiment provides a clean wind of milling cutter drenches mechanism for board separator, including moving base 1, the drive is connected with moving mechanism on the moving base 1, and the front bottom of moving base 1 is connected with milling cutter 2, milling cutter 2's the outside has cup jointed down open-ended suction hood 3, suction hood 3 gas circuit intercommunication has dust extraction system, and milling cutter 2's below is provided with upwards open-ended wind and drenches sleeve 4, wind drenches sleeve 4's inner chamber intercommunication blast module, milling cutter 2's front end activity cup joints in wind drenches sleeve 4.

In actual use, the air shower sleeve 4 can be arranged on one side of the original circuit board placing platform of the board separator and is connected with the air blast module to complete configuration. The moving mechanism can adopt the original driving structures such as a guide rail platform or a mechanical arm for driving the milling cutter to move and lift on the board dividing machine. After the milling cutter 2 finishes the plate-separating milling of a circuit board, the moving mechanism moves the milling cutter 2 to the position above the air shower sleeve 4, then the milling cutter 2 descends to be sleeved in the air shower sleeve 4, the air blowing module and the dust collection system are synchronously started to start air shower treatment, and the dust collection system timely sucks and eliminates scattered dust while blowing dust particles adhered to the surface of the milling cutter 2. In the air shower treatment process, the moving mechanism can drive the milling cutter 2 to lift in a reciprocating manner, so that air flow provided by the air blowing module can be fully sprayed to the surface of the milling cutter 2, and dust particles are promoted to fall.

In addition, the blower module and the dust collection system can adopt fans and industrial dust collectors which are commonly used in the market.

The inner cavity of the air shower sleeve 4 is surrounded by a plurality of air outlet assemblies, and the air outlet assemblies are all in air path communication with the air blowing module. The air outlet assembly comprises a plurality of air outlets 5 which are vertically arranged. The air outlets 5 which are arranged vertically around the air shower sleeve 4 can uniformly and fully blow the air flow to the surface of the milling cutter 2, so that dust particles adhered to all positions on the surface of the milling cutter 2 can be blown out by the air flow, the residues are avoided, and the air shower cleaning effect is ensured.

The air shower sleeve 4 comprises an outer sleeve 401 and an inner sleeve 403, an outer cavity 402 is formed in the inner side of the outer sleeve 401, the outer cavity 402 is in air channel communication with the air blowing module, the inner sleeve 403 is sleeved in the outer cavity 402, an inner cavity 404 is formed in the inner side of the inner sleeve 403, the air outlet 5 penetrates through the outer side of the inner sleeve 403 and the inner cavity 404, and the front end of the milling cutter 2 is movably sleeved in the inner cavity 404. The air flow provided by the air blowing module fills the outer cavity 402 and then is sprayed into the inner cavity 404 through each air outlet 5, so that the air flow sprayed out of each air outlet 5 is more uniform and stable, and deviation of air shower cleaning effect caused by uneven air flow distribution of each air outlet 5 is avoided.

The moving mechanism comprises a two-axis moving platform, a lifting platform 101 is arranged on the moving base 1, and the milling cutter 2 is fixedly arranged on the lifting platform 101. The two-axis moving platform can use a horizontal sliding rail translation mechanism commonly used in the board splitting machine in the market, and the embodiment does not relate to related improvement, so that the description is omitted here. The lifting platform 101 may also adopt a milling cutter 2 lifting mechanism commonly used in a market board splitting machine. The two-axis moving platform is matched with the lifting platform 101, so that the milling cutter 2 can move vertically and horizontally along three axes, and the milling cutter 2 is driven to perform a plate separation process, and the milling cutter 2 is moved into the air shower sleeve 4 to perform air shower cleaning.

The lifting platform 101 is in sliding sleeve connection with the vertical guide rail 102, the lifting platform 101 is connected in series with a driving screw rod 104 through a nut 103, and the driving screw rod 104 is connected in series with the lifting servo 6 in a coaxial manner. The lifting platform 101 driving mechanism designed by the linear screw rod module can ensure that the milling cutter 2 can be lifted quickly and stably.

The side of vertical guide rail 102 corresponds top and bottom and is provided with proximity sensor 7, proximity sensor 7 electric connection goes up and down servo 6, the side of lift platform 101 corresponds proximity sensor 7 and is provided with trigger piece 8. The proximity sensor 7 may be a photoelectric sensor commonly used in the market. The proximity sensor 7 and the trigger piece 8 are designed to avoid damage to equipment caused by excessive lifting of the lifting platform 101.

The milling cutter 2 comprises a split spindle 201 and a milling head 202, the milling head 202 being detachably connected to the front end of the split spindle 201. The detachable design is adopted between the milling head 202 of the milling cutter 2 and the split plate main shaft 201 for driving and rotating, so that the corresponding milling head 202 can be conveniently and quickly replaced according to the specification of the PCB of the split plate. In addition, the milling head 202 may be replaced with a new one in time after wear.

The air blowing module comprises an ion fan, and an air passage of the ion fan is connected with an inner cavity of the ventilation shower sleeve 4. The ion fan is a common static eliminating device in the market, the output air flow of the ion fan is charged, static attached to dust particles can be eliminated, the dust particles are prevented from being adhered to the surface of the milling cutter 2 due to static, and the scouring effect of air shower air flow on the dust particles is improved.

The top of the air shower sleeve 4 is provided with a tool bit sensor, and the tool bit sensor is electrically connected with a dust collection system and a blast module. The tool bit sensor can adopt the photoelectric sensor commonly used in the market, can trigger dust collection system and blower module and start after the tool bit sensor senses that milling cutter 2 gets into the wind and drenches sleeve 4, save manual operation switch, improve availability factor.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. A clean wind of milling cutter drenches mechanism for board separator, its characterized in that, including moving the base, the last drive of moving the base is connected with moving mechanism, and moving the front bottom of base is connected with the milling cutter, the dust hood of downward opening has been cup jointed in the outside of milling cutter, dust hood gas circuit intercommunication has dust extraction system, and the below of milling cutter is provided with upward open-ended wind and drenches the sleeve, wind drenches telescopic inner chamber intercommunication blast module, the front end activity of milling cutter cup joints in the wind and drenches the sleeve.

2. The clean air shower mechanism for the milling cutter of the plate separating machine according to claim 1, wherein the inner cavity of the air shower sleeve is surrounded by a plurality of air outlet assemblies, and the air outlet assemblies are all in air path communication with the air blowing module.

3. The clean air shower mechanism for a milling cutter of a board separator according to claim 2, wherein the air outlet assembly comprises a plurality of air outlets arranged in a vertical arrangement.

4. The milling cutter cleaning air shower mechanism for the plate separating machine according to claim 3, wherein the air shower sleeve comprises an outer sleeve and an inner sleeve, an outer cavity is formed in the inner side of the outer sleeve, the outer cavity is in air path communication with the air blowing module, the inner sleeve is sleeved in the outer cavity, an inner cavity is formed in the inner side of the inner sleeve, the air outlet penetrates through the outer side of the inner sleeve and the inner cavity, and the front end of the milling cutter is movably sleeved in the inner cavity.

5. The milling cutter cleaning air shower mechanism for a board separator according to claim 1, wherein the moving mechanism comprises a two-axis moving platform, a lifting platform is arranged on the moving base, and the milling cutter is fixedly arranged on the lifting platform.

6. The milling cutter cleaning air shower mechanism for the plate separating machine according to claim 5, wherein the lifting platform is sleeved on the vertical guide rail in a sliding manner, the lifting platform is connected with a driving screw rod in series through a nut, and the driving screw rod is connected with a lifting servo in a coaxial series manner.

7. The milling cutter cleaning air shower mechanism for the plate separating machine according to claim 6, wherein the side surface of the vertical guide rail is provided with proximity sensors corresponding to the top and the bottom, the proximity sensors are electrically connected with a lifting servo, and the side surface of the lifting platform is provided with a trigger piece corresponding to the proximity sensors.

8. The clean air shower mechanism for a milling cutter of a board separator according to claim 1, wherein the milling cutter includes a board separation spindle and a milling head detachably attached to a front end of the board separation spindle.

9. The clean air shower mechanism for a milling cutter of a board separator according to claim 1, wherein the air blast module comprises an ion fan, and the ion fan is connected with an inner cavity of the air shower sleeve.

10. The clean air shower mechanism for the milling cutter of the plate separating machine according to claim 1, wherein a cutter head sensor is arranged above the air shower sleeve and is electrically connected with the dust collection system and the air blast module.