Automatic tool changing device of board splitting machine

Automatic detection and replacement of milling cutters is achieved through automatic tool changing device, which solves the problem of insufficient efficiency and stability of milling cutter replacement in plate splitters, and improves safety and production efficiency.

CN223289406UActive Publication Date: 2025-09-02ACESTARR (LANGFANG) MASCH TECH CO LTD
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Patent Information

Application Number
CN202422641591.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-02
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The replacement efficiency and stability of milling cutters in existing plate splitters are insufficient, and manual replacement poses safety risks.

Method used

An automatic tool changing device is designed, including a milling cutter spindle, a tool changing sensor, a grabber assembly and a drive assembly. The sensor detects damage to the milling cutter, and the gripping assembly automatically replaces the lossless milling cutter to realize the switching between different workstations.

Benefits of technology

Improve the efficiency and stability of milling cutter replacement, enhance the safety of tool change, and ensure cutting quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automatic tool changing device of a board splitting machine. The bottom of a milling cutter main shaft is connected with an online milling cutter; a tool changing sensor and a grabbing assembly are arranged at the top of the first support, and the tool changing sensor is used for detecting whether the online milling cutter is damaged or not; the grabbing assembly is used for grabbing the online milling cutter from the milling cutter main shaft; meanwhile, the second bracket is arranged on one side of the first bracket and is used for placing the lossless milling cutter; the milling cutter main shaft is provided with a first station and a second station, the first station is used for detecting the online milling cutter, and the second station is used for connecting the milling cutter main shaft with the lossless milling cutter; the driving assembly is used for driving the milling cutter main shaft to be switched between the first station and the second station; by means of the structure, whether the online milling cutter on the board splitting machine is damaged or not can be detected before use, the damaged online milling cutter on the board splitting machine can be automatically replaced, then the efficiency and stability of replacing the milling cutter are effectively guaranteed, and meanwhile the safety during cutter replacing is enhanced.
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Description

Technical Field

[0001] The present application generally relates to the technical field of board splitters, and in particular to an automatic tool changing device for a board splitter. Background Art

[0002] A PCB separator, also known as a PCB separator or circuit board separator, is an automated device used to sort and separate items. In the electronics manufacturing industry, PCB separators are widely used to cut various PCB circuit boards, LED light strips, etc.

[0003] The board splitter uses a milling cutter for cutting. After a period of use, the blade of the milling cutter will wear out accordingly (including sudden breakage during the cutting process), which will affect the cutting quality of the product. If it cannot be replaced in time, the production efficiency will be seriously affected. The existing technology mostly uses manual replacement of the milling cutter regularly, but the efficiency and stability of manual replacement of the milling cutter cannot be effectively guaranteed. At the same time, there are some safety hazards when manually replacing the milling cutter. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide an automatic tool changing device for a panel splitter that can solve the above-mentioned technical problems.

[0005] The present application provides an automatic tool changing device for a board splitter, comprising:

[0006] A milling cutter spindle, wherein the bottom of the milling cutter spindle is connected to an online milling cutter;

[0007] A first bracket, wherein a tool change sensor is provided on the top of the first bracket, and the tool change sensor is used to detect whether the online milling cutter is damaged;

[0008] A grabbing assembly, the grabbing assembly being arranged on the first bracket and being used for grabbing the online milling cutter from the milling cutter spindle;

[0009] a second bracket, the second bracket being arranged on one side of the first bracket and being used for placing a non-destructive milling cutter;

[0010] The milling cutter spindle has a first station and a second station, the first station is used to detect the online milling cutter, and the second station is used to connect the milling cutter spindle and the non-destructive milling cutter;

[0011] A drive assembly is used to drive the milling cutter spindle to switch between the first station and the second station.

[0012] According to the technical solution provided in this application, the tool changing sensor is a through-beam sensor, which includes: a transmitter and a receiver; the transmitter and the receiver are both arranged on the top of the first bracket, the transmitter and the receiver are in the same straight line, and there is a first gap between the transmitter and the receiver; when the milling cutter spindle is in the first workstation, the online milling cutter is placed in the first gap.

[0013] According to the technical solution provided in this application, the gripping assembly includes: a finger cylinder and a clamping mechanism, the finger cylinder includes a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are respectively connected to the clamping mechanism, and the finger cylinder is used to control the clamping mechanism to clamp or release the online milling cutter;

[0014] The finger cylinder has a first state and a second state. When in the first state, the clamping mechanism is controlled to clamp the online milling cutter; when in the second state, the clamping mechanism is controlled to release the online milling cutter.

[0015] According to the technical solution provided in this application, the clamping mechanism includes: a first clamping arm and a second clamping arm, the first clamping arm is connected to the first clamping jaw, the second clamping arm is connected to the second clamping jaw, and the first clamping arm and the second clamping arm are arranged opposite to each other.

[0016] According to the technical solution provided in this application, a support member is provided below the clamping mechanism, a waste cutter box is provided on the top of the support member, a first opening is opened on the top of the waste cutter box, and the waste cutter box is used to recycle the online milling cutter.

[0017] According to the technical solution provided in the present application, the support member includes: a base plate and a baffle arranged on the circumference of the base plate, and the waste knife box is snap-connected with the support member.

[0018] According to the technical solution provided in this application, the second bracket is provided with a plurality of placement positions, each of which is provided with the non-destructive milling cutter. When the milling cutter spindle is in the second working position, the milling cutter spindle can be connected to the non-destructive milling cutter at any of the placement positions.

[0019] According to the technical solution provided in this application, the interior of the second bracket has multiple first cavities corresponding to the placement positions, and a detection device is provided in each of the first cavities. The detection device is used to detect whether the non-destructive milling cutter is placed at the placement position.

[0020] The beneficial effects of this application are:

[0021] The present application provides an automatic tool changing device for a panel splitter, comprising a milling cutter spindle, a first bracket, and a second bracket. An online milling cutter is connected to the bottom of the milling cutter spindle; a tool changing sensor and a grabbing assembly are provided on the top of the first bracket, the tool changing sensor is used to detect whether the online milling cutter is damaged; the grabbing assembly is used to grab the online milling cutter from the milling cutter spindle; at the same time, the second bracket is provided on one side of the first bracket for placing a non-destructive milling cutter; the milling cutter spindle has a first station and a second station, the first station is used to detect the online milling cutter, and the second station is used to connect the milling cutter spindle and the non-destructive milling cutter;

[0022] When preparing to use a milling cutter to cut the PCB circuit board, first, the driving component is used to drive the milling cutter spindle to move to the first station. At this time, when the tool changing sensor is used to detect that the online milling cutter connected to the milling cutter spindle is damaged, the driving component drives the milling cutter spindle to move to the grabbing component, and the grabbing component clamps and removes the damaged online milling cutter on the milling cutter spindle; finally, the driving component drives the milling cutter spindle to move to the second station, and the milling cutter spindle is connected to the non-destructive milling cutter on the second bracket to complete the automatic tool changing process; through the above structure, the present application can detect whether the milling cutter on the board splitter is damaged before use, and automatically replace the damaged milling cutter on the board splitter, thereby effectively ensuring the efficiency and stability of replacing the milling cutter, while enhancing the safety during tool changing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0024] Figure 1 This is a schematic diagram of a first bracket of an automatic tool changing device of a board splitter provided in the present application;

[0025] Figure 2 This is a schematic diagram of a second bracket of an automatic tool changing device of a board splitter provided by the present application;

[0026] Figure 3 This is a schematic diagram of the interior of a second bracket of an automatic tool changing device of a panel splitter provided in the present application.

[0027] In the figure: 1. First bracket; 2. Transmitter; 3. Receiver; 4. Finger cylinder; 41. First clamp; 42. Second clamp; 51. First clamp arm; 52. Second clamp arm; 6. Support; 7. Waste tool box; 8. Second bracket; 9. Online milling cutter; 10. Detection device; 11. Milling cutter spindle; 12. Non-destructive milling cutter. DETAILED DESCRIPTION

[0028] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant utility model and are not intended to limit the utility model. It should also be noted that, for ease of description, only the portions relevant to the utility model are shown in the accompanying drawings.

[0029] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] Example 1

[0031] Please refer to Figure 1-Figure 3 The present application provides an automatic tool changing device for a panel splitter, comprising:

[0032] A milling cutter spindle 11, with an online milling cutter 9 connected to the bottom of the milling cutter spindle 11;

[0033] The first bracket 1 is provided with a tool change sensor on the top of the first bracket 1, and the tool change sensor is used to detect whether the online milling cutter 9 is damaged; wherein the first bracket 1 is provided below the milling cutter spindle 11;

[0034] A grabbing assembly is provided on the first bracket 1 and is used to grab the online milling cutter 9 from the milling cutter spindle 11;

[0035] The second bracket 8 is provided on one side of the first bracket 1 and is used to place the non-destructive milling cutter 12;

[0036] The milling cutter spindle has a first station and a second station, the first station is used to detect the online milling cutter 9, and the second station is used to connect the milling cutter spindle 11 and the non-destructive milling cutter 12;

[0037] The drive assembly is used to drive the milling cutter spindle to switch between the first station and the second station.

[0038] Specifically, when the board splitter splits the circuit board, the milling cutter spindle 11 drives the online milling cutter 9 to rotate to cut the circuit board;

[0039] Optionally, the driving assembly includes a robotic arm connected to the milling cutter spindle 11, the robotic arm drives the milling cutter spindle 11 to move up and down, and places the online milling cutter 9 in the detection area of ​​the tool change sensor. After the gripping assembly removes the damaged online milling cutter 9, the robotic arm can also drive the milling cutter spindle 11 to translate to the second bracket 8, and connect the milling cutter spindle and the non-destructive milling cutter 12, so that the milling cutter spindle 11 is in the second working position. The robotic arm is a prior art and will not be described in detail here.

[0040] Working principle: When preparing to use the online milling cutter 9 to cut the PCB circuit board, first, the robotic arm is used to drive the milling cutter spindle 11 to move to the tool changing sensor on the first bracket 1. When the tool changing sensor detects that the online milling cutter 9 connected to the milling cutter spindle 11 is damaged, the robotic arm drives the milling cutter spindle 11 to move to the grabbing assembly. At this time, the grabbing assembly clamps and removes the damaged online milling cutter 9 on the milling cutter spindle 11; finally, the robotic arm drives the milling cutter spindle 11 to move to the second bracket 8, and the milling cutter spindle is connected to the non-destructive milling cutter 12 on the second bracket to complete the automatic tool changing process; through the above structure, the present application can detect whether the online milling cutter 9 on the panel splitter is damaged before use, and automatically replace the damaged online milling cutter 9 on the panel splitter, thereby effectively ensuring the efficiency and stability of replacing the milling cutter, and enhancing the safety during tool changing.

[0041] In some embodiments, the tool changing sensor is a through-beam sensor, which includes: a transmitter 2 and a receiver 3; the transmitter 2 and the receiver 3 are both arranged on the top of the first bracket 1, the transmitter 2 and the receiver 3 are in the same straight line, and there is a first gap between the transmitter 2 and the receiver 3; when the milling cutter spindle is in the first work position, the online milling cutter 9 is in the first gap.

[0042] Specifically, such as Figure 1 As shown, the tool changing sensor is a through-beam sensor, which includes: a transmitter 2 and a receiver 3; the transmitter 2 and the receiver 3 are both arranged on the top of the first bracket 1, and the transmitter 2 and the receiver 3 are in the same straight line, and there is a first gap between the transmitter 2 and the receiver 3; its working principle is that the transmitter 2 generates a beam of light, and the light is received by the receiver 3 after passing through a specific area; therefore, when the milling cutter spindle 11 drives the online milling cutter 9 to move into the first gap, the light is completely blocked, and the receiver 3 cannot receive the light signal, which proves that the milling cutter 9 is not worn or broken and does not need to be replaced; and when the online milling cutter 9 moves into the first gap, the light is not completely blocked, and the receiver 3 receives the light signal, which proves that the online milling cutter 9 is worn or broken and needs to be replaced.

[0043] In some embodiments, the gripping assembly includes: a finger cylinder 4 and a clamping mechanism, the finger cylinder 4 includes a first clamping jaw 41 and a second clamping jaw 42, the first clamping jaw 41 and the second clamping jaw 42 are respectively connected to the clamping mechanism, and the finger cylinder 4 is used to control the clamping mechanism to clamp or release the online milling cutter 9;

[0044] The finger cylinder 4 has a first state and a second state. When in the first state, the clamping mechanism is controlled to clamp the online milling cutter 9 ; when in the second state, the clamping mechanism is controlled to release the online milling cutter 9 .

[0045] Specifically, the grasping assembly includes: a finger cylinder 4 and a clamping mechanism, the finger cylinder 4 includes a first clamping jaw 41 and a second clamping jaw 42, and the first clamping jaw 41 and the second clamping jaw 42 are respectively connected to the clamping mechanism; before grasping the online milling cutter 9, the finger cylinder 4 is controlled to be in the second state, at this time the first clamping jaw 41 and the second clamping jaw 42 drive the clamping mechanism to open, and the milling cutter spindle 11 drives the online milling cutter 9 deep into the channel expanded by the clamping mechanism, and then the finger cylinder 4 is controlled to be in the first state, and the clamping mechanism clamps the online milling cutter 9 to remove the damaged online milling cutter 9 from the milling cutter spindle 11.

[0046] In some embodiments, the clamping mechanism includes: a first clamping arm 51 and a second clamping arm 52 , the first clamping arm 51 is connected to the first clamping jaw 41 , the second clamping arm 52 is connected to the second clamping jaw 42 , and the first clamping arm 51 and the second clamping arm 52 are arranged opposite to each other.

[0047] Specifically, in this embodiment, the finger cylinder 4 is fixed to the first bracket 1 in the horizontal direction, and the clamping mechanism includes: a first clamping arm 51 and a second clamping arm 52, both of which are arranged in the vertical direction, the first clamping arm 51 is connected to the first clamping jaw 41, and the second clamping arm 52 is connected to the second clamping jaw 42, and the first clamping arm 51 and the second clamping arm 52 are arranged opposite to each other, and are respectively arranged on the side where the first clamping jaw 41 and the second clamping jaw 42 are close to each other;

[0048] Before grabbing the online milling cutter 9, the finger cylinder 4 is controlled to be in the second state. At this time, the first clamping jaw 41 and the second clamping jaw 42 respectively drive the first clamping arm 51 and the second clamping arm 52 to open. At this time, the milling cutter spindle 11 drives the online milling cutter 9 into the channel expanded by the first clamping arm 51 and the second clamping arm 52. Then, the finger cylinder 4 is controlled to be in the first state. The first clamping arm 51 and the second clamping arm 52 clamp the online milling cutter 9 to remove the damaged online milling cutter 9 from the milling cutter spindle 11.

[0049] In some embodiments, a support member 6 is provided below the clamping mechanism, a waste cutter box 7 is provided on the top of the support member 6, a first opening is provided on the top of the waste cutter box 7, and the waste cutter box 7 is used to recycle the online milling cutter 9.

[0050] Specifically, a support member 6 is provided on the first bracket 1 and below the clamping mechanism, a waste cutter box 7 is provided on the top of the support member 6, and a first opening is opened on the top of the waste cutter box 7; when the clamping mechanism removes the damaged online milling cutter 9 from the milling cutter spindle 11, the finger cylinder 4 is controlled to be in the second state, at this time, the first clamping jaw 41 and the second clamping jaw 42 respectively drive the first clamping arm 51 and the second clamping arm 52 to open, and the damaged online milling cutter 9 falls into the waste cutter box 7; the discarded online milling cutters 9 are discarded in a unified manner to avoid polluting the environment;

[0051] In some embodiments, the waste knife box 7 is fixed on the support member 6.

[0052] In some embodiments, the support member 6 includes: a bottom plate and a baffle provided around the bottom plate, and the waste knife box 7 is snap-connected to the support member 6 .

[0053] Specifically, in some embodiments, in order to facilitate the removal of the waste knife box 7 from the support member 6 to discard the discarded online milling cutter 9; in this embodiment, the support member 6 includes: a bottom plate and a baffle, the bottom plate has a first side edge, a second side edge, a third side edge and a fourth side edge connected in sequence in the circumferential direction, the first side edge is connected to the first bracket 1, and the baffle is respectively connected to the second side edge, the third side edge and the fourth side edge, and its extension direction is the vertical direction; the bottom plate and the side plate are an integrally formed structure; the baffle is used to engage with the waste knife box 7 to limit the waste knife box 7 and prevent the waste knife box 7 from falling.

[0054] In some embodiments, the second bracket 8 is provided with multiple placement positions, each of which is provided with a non-destructive milling cutter 12. When the milling cutter spindle 11 is in the second working position, the milling cutter spindle 11 can be connected to the non-destructive milling cutter 12 at any placement position.

[0055] Optionally, the second bracket has four placement positions, each of which is provided with a placement piece, and the non-destructive milling cutter 12 is inserted into the placement piece to keep it in a vertical state; in addition, the number of the second brackets 8 is not limited and can be set according to actual needs.

[0056] In some embodiments, the second bracket 8 has a plurality of first cavities corresponding to the placement positions, and a detection device 10 is provided in each first cavity. The detection device 10 is used to detect whether a non-destructive milling cutter 12 is placed at the placement position.

[0057] Specifically, such as Figure 3 As shown, the interior of the second bracket 8 has a first cavity, and a detection device 10 is provided in the first cavity; in this embodiment, the detection device 10 is a micro switch.

[0058] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the utility model disclosed herein is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the concept of the utility model. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. An automatic tool changing device for a board splitter, characterized in that: include: A milling cutter spindle (11), wherein the bottom of the milling cutter spindle (11) is connected to an online milling cutter (9); A first bracket (1), wherein a tool change sensor is provided on the top of the first bracket (1), and the tool change sensor is used to detect whether the online milling cutter (9) is damaged; a grabbing assembly, the grabbing assembly being arranged on the first bracket (1), the grabbing assembly being used to grab the online milling cutter (9) from the milling cutter spindle (11); A second bracket (8), the second bracket (8) being arranged on one side of the first bracket (1) and being used for placing a non-destructive milling cutter (12); The milling cutter spindle (11) has a first station and a second station, the first station is used to detect the online milling cutter (9), and the second station is used to connect the milling cutter spindle (11) and the non-destructive milling cutter (12); A drive assembly is provided, wherein the drive assembly is used to drive the milling cutter spindle (11) to switch between the first workstation and the second workstation.

2. The automatic tool changing device of a board splitter according to claim 1, characterized in that: The tool change sensor is a beam sensor, comprising: a transmitter (2) and a receiver (3); the transmitter (2) and the receiver (3) are both arranged on the top of the first bracket (1), the transmitter (2) and the receiver (3) are in the same straight line, and a first gap is provided between the transmitter (2) and the receiver (3); when the milling cutter spindle (11) is in the first work position, the online milling cutter (9) is placed in the first gap.

3. The automatic tool changing device of a board splitter according to claim 1, characterized in that: The gripping assembly comprises: a finger cylinder (4) and a clamping mechanism, wherein the finger cylinder (4) comprises a first clamping jaw (41) and a second clamping jaw (42), wherein the first clamping jaw (41) and the second clamping jaw (42) are respectively connected to the clamping mechanism, and the finger cylinder (4) is used to control the clamping mechanism to clamp or release the online milling cutter (9); The finger cylinder (4) has a first state and a second state. When in the first state, the clamping mechanism is controlled to clamp the online milling cutter (9); when in the second state, the clamping mechanism is controlled to release the online milling cutter (9).

4. The automatic tool changing device of a board splitter according to claim 3, characterized in that: The clamping mechanism comprises a first clamping arm (51) and a second clamping arm (52), wherein the first clamping arm (51) is connected to the first clamping jaw (41), and the second clamping arm (52) is connected to the second clamping jaw (42), and the first clamping arm (51) and the second clamping arm (52) are arranged opposite to each other.

5. The automatic tool changing device of a board splitter according to claim 3, characterized in that: A support member (6) is provided below the clamping mechanism, a waste cutter box (7) is provided on the top of the support member (6), a first opening is provided on the top of the waste cutter box (7), and the waste cutter box (7) is used to recycle the online milling cutter (9).

6. The automatic tool changing device of a board splitter according to claim 5, characterized in that: The support member (6) comprises a bottom plate and a baffle provided in the circumference of the bottom plate, and the waste knife box (7) is snap-connected with the support member (6).

7. The automatic tool changing device of a board splitter according to claim 1, characterized in that: The second bracket (8) is provided with a plurality of placement positions, each of which is provided with the non-destructive milling cutter (12). When the milling cutter spindle (11) is in the second working position, the milling cutter spindle (11) can be connected to the non-destructive milling cutter (12) at any of the placement positions.

8. The automatic tool changing device of a board splitter according to claim 7, characterized in that: The second bracket (8) has a plurality of first cavities corresponding to the placement positions, each of which is provided with a detection device (10), and the detection device (10) is used to detect whether the non-destructive milling cutter (12) is placed at the placement position.