Cutting device for circuit board tailings

Abstract

The utility model relates to the technical field of circuit boards, in particular to a circuit board tailing cutting device which comprises a device frame, a precise cutting mechanism is arranged on the surface of a placing frame, anti-falling mechanisms are arranged on the surfaces of conveying belts, and centralized processing mechanisms are arranged on the inner wall of the device frame and the surface of a collecting frame. According to the circuit board cutting device, a circuit board to be cut can be placed on the surface of the placing frame, and the phenomenon that the circuit board is not accurately cut due to deflection of the circuit board in the using process of the cutting device is avoided; according to the cutting device, the phenomenon that circuit board tailings fall off on the surface of the conveying belt can be avoided when the cutting device is used, the cutting device is more practical, the tailings after circuit board cutting do not need to be collected independently when the cutting device is used, and a user can operate the cutting device more conveniently when the cutting device is used.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a device for cutting circuit board tailings. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. A circuit board is a highly reliable and flexible printed circuit board made of polyimide or polyester film as a substrate. The circuit board needs to be cut during processing to facilitate subsequent processing. A circuit board tail material cutting device is now needed.

[0003] The existing cutting device cannot absorb and collect the debris generated by cutting during cutting, which easily leads to the cutting device being surrounded by the cut circuit board debris, which is more troublesome to clean. At the same time, the circuit board cannot be protected when fixed, which easily leads to damage to the circuit board. In addition, the existing cutting device has some disadvantages to a certain extent. The cutting device needs to position the circuit board before use. The existing cutting device is not convenient for positioning and placing the circuit board when in use, which easily leads to the phenomenon that the cutting of the circuit board is not accurate enough due to the deflection of the circuit board during use; The waste materials are easy to fall off when the device is in use, and the existing cutting device cannot stop the waste materials after the circuit board is cut to prevent them from falling. This makes it easy for the waste materials of the circuit board to fall on the surface of the conveyor belt when the cutting device is in use, making the cutting device not practical enough; the cutting device needs to collect the waste materials after the circuit board is cut in a centralized manner when in use, and the existing cutting device usually does not have the function of collecting the waste materials after the circuit board is cut in a centralized manner when in use, which makes it inconvenient for the user to operate the cutting device when in use. Utility Model Content

[0004] The purpose of the present utility model is to provide a device for cutting circuit board waste, so as to solve the problems proposed in the above-mentioned background technology that the cutting device is inconvenient for positioning and placing the circuit board when in use, cannot block and prevent the waste of the circuit board after cutting from falling, and generally does not have the function of centrally collecting the waste of the circuit board after cutting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for cutting circuit board tails, comprising a device frame, a conveyor belt is provided inside the device frame, the conveyor belt and the inner wall of the device frame are rotatably matched with each other, a frame body is installed on the surface of the device frame, a control button is installed on the surface of the frame body, a stand is installed on the surface of the device frame, a support plate is installed on the surface of the stand, a placement rack is installed on the surface of the stand, a position sensor for sensing the position of the circuit board is installed on the surface of the frame body, a knife holder is provided below the frame body, and a cutting knife is provided on the surface of the knife holder. The cutting knife and the inner wall of the knife holder rotate with each other, and a collection frame for collecting the cut circuit board waste is provided on one side of the device frame. The surface of the placement frame is provided with a precision cutting mechanism, and the interior of the precision cutting mechanism includes a limit plate, a telescopic spring and a precision cutting group. The surface of the conveyor belt is provided with an anti-drop mechanism, and the interior of the anti-drop mechanism includes a baffle plate, a mounting block, an elastic clip, a fixed slot and a mounting slot. The inner wall of the device frame and the surface of the collection frame are provided with a centralized processing mechanism, and the interior of the centralized processing mechanism includes a card block, a card slot body and a centralized processing component.

[0006] Preferably, a driving motor is installed inside the device frame, the input end of the driving motor is electrically connected to the output end of the control button, the output end of the driving motor is installed with a rotating shaft through a coupling, and one end of the rotating shaft is fixed to the surface of the conveyor belt, a servo motor is installed inside the frame, the input end of the servo motor is electrically connected to the output end of the control button, the output end of the servo motor is installed with a rotating column through a coupling, a screw is provided inside the frame, the screw and the inner wall of the frame are rotatably matched with each other, the surface of the screw is fixed to the surface of the rotating column, the surface of the screw is threadedly sleeved with an adjusting screw, the inner wall of the frame is provided with a guide groove, the guide groove and the surface of the adjusting screw are slidably matched with each other, the surface of the tool holder is fixed to the surface of the adjusting screw, and the tool holder and the inner wall of the frame are slidably matched with each other.

[0007] Preferably, the precision cutting group is arranged on the surface of the placement rack, and the precision cutting group is composed of an electric push rod, a mounting plate and mounting screws. The surface of the placement rack is provided with a mounting plate, and the surface of the mounting plate is threadedly connected with mounting screws. One end of the mounting screw passes through the mounting plate and is threadedly fastened to the surface of the placement rack.

[0008] Preferably, an electric push rod is installed on the surface of the mounting plate, the input end of the electric push rod is electrically connected to the output end of the control button, a telescopic spring is installed on the surface of the mounting plate, and a limit plate for positioning the circuit board is provided on one side of the mounting plate, and the surface of the limit plate is respectively fixed to the output end of the electric push rod and one end of the telescopic spring.

[0009] Preferably, the surface of the conveyor belt is provided with a blocking plate for blocking circuit board waste, the bottom of the blocking plate is installed with a mounting block, and the surface of the conveyor belt is provided with a mounting groove, and the mounting groove and the surface of the mounting block are engaged with each other.

[0010] Preferably, elastic clips are installed on the surfaces of both sides of the mounting block, and fixed slots are opened on the inner walls of the conveyor belt, and the fixed slots are engaged with the surfaces of the elastic clips.

[0011] Preferably, the centralized processing component is arranged on the inner wall of the device frame and the surface of the collection frame. The centralized processing component is composed of an arc-shaped clip and a stretching spring. The surface of the collection frame is installed with a card block for positioning and installing the collection frame. The surface of the device frame is provided with a card slot body, and the card slot body and the surface of the card block are engaged with each other.

[0012] Preferably, the surface of the block is provided with a groove, and an arc-shaped clamp is provided inside the groove. The arc-shaped clamp and the inner wall of the groove slide together, and the arc-shaped clamp and the inner wall of the device frame are engaged with each other. The surface of the arc-shaped clamp is installed with an extension spring, and one end of the extension spring is fixed to the inner wall of the groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the circuit board tailing cutting device not only enables the cutting device to place the circuit board to be cut on the surface of the placement rack, thereby avoiding the phenomenon of inaccurate cutting of the circuit board due to the deflection of the circuit board during the use of the cutting device, but also enables the cutting device to avoid the phenomenon of circuit board tailings falling on the surface of the conveyor belt when in use, making the cutting device more practical, and also eliminates the need to separately collect the tailings of the circuit board after cutting when using the cutting device, making the cutting device more convenient for users to operate when in use;

[0014] 1. By providing a precise cutting mechanism, the circuit board is placed between adjacent mounting plates. Subsequently, the user places the mounting plate on the surface of the placement rack and tightens the mounting screws on the surface of the mounting plate. Under the action of the mounting screws, the mounting plate is mounted on the surface of the placement rack. The user operates the control button to control the electric push rod on the surface of the mounting plate to work. Under the joint action of the electric push rod and the telescopic spring, the limit plate is driven to move to the desired position. Under the action of the limit plate, the placement position of the circuit board is limited, so that the cutting device can cut the circuit board more accurately, realizing the function of positioning and placing the circuit board by the cutting device, so that the cutting device can place the circuit board to be cut on the surface of the placement rack, avoiding the phenomenon of inaccurate cutting of the circuit board due to the deflection of the circuit board during the use of the cutting device;

[0015] 2. By providing an anti-drop mechanism, the user places the blocking plate on the surface of the conveyor belt, so that the blocking plate drives the mounting block to be clamped into the inside of the corresponding mounting slot, and the blocking plate is guided under the joint action of the mounting block and the mounting slot. At this time, the mounting block drives the elastic clamp to be clamped into the inside of the fixed clamping slot, and the mounting block is prevented from loosening under the clamping action of the elastic clamp and the fixed clamping slot, so that the blocking plate can be stably installed on the surface of the conveyor belt. Under the action of the blocking plate, the tailings transported on the surface of the conveyor belt are blocked and limited to prevent the tailings from falling during transportation, thereby realizing the function of the cutting device to block and prevent the tailings of the circuit board from falling after being cut, thereby preventing the tailings of the circuit board from falling on the surface of the conveyor belt when the cutting device is in use, making the cutting device more practical;

[0016] 3. By providing a centralized processing mechanism, the circuit board waste after cutting is collected under the action of the collection frame. When the user needs to process the waste inside the collection frame, the user pulls the collection frame to make the collection frame move to the side away from the device frame. At this time, the collection frame drives the card block away from the inside of the card slot body, and the arc-shaped card is driven away from the inside of the device frame under the elastic force of the extension spring inside the groove, thereby removing the collection frame from the surface of the device frame, and centrally processing the circuit board waste inside the collection frame, realizing the function of the cutting device to centrally collect the waste after cutting the circuit board, so that the cutting device does not need to separately collect the waste after cutting the circuit board when using it, making the cutting device more convenient for users to operate when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of an enlarged side cross-section structure of the utility model;

[0020] Figure 4 For the utility model Figure 2 A magnified structural diagram of the precision cutting mechanism;

[0021] Figure 5 For the utility model Figure 2 An enlarged structural diagram of the anti-drop mechanism;

[0022] Figure 6 It is an enlarged structural diagram of the centralized processing mechanism of the present utility model.

[0023] In the figure: 1. Device frame; 101. Conveyor belt; 102. Frame; 103. Control button; 104. Position sensor; 105. Support plate; 106. Drive motor; 107. Servo motor; 108. Tool holder; 109. Guide slide; 110. Screw; 111. Collection frame; 112. Placement rack; 113. Cutting knife; 114. Stand; 2. Precision cutting mechanism; 21. Limit plate; 22. Telescopic spring; 23. Precision cutting group; 231. Electric push rod; 232. Mounting plate; 233. Mounting screw; 3. Anti-drop mechanism; 31. Block plate; 32. Mounting block; 33. Elastic clip; 34. Fixed slot; 35. Mounting slot; 4. Centralized processing mechanism; 41. Clip block; 42. Slot body; 43. Centralized processing assembly; 431. Arc clip; 432. Extension spring. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] The utility model provides a structure of a circuit board tail material cutting device. Figure 1 and Figure 2As shown, it includes a device frame 1, a conveyor belt 101 is provided inside the device frame 1, the conveyor belt 101 and the inner wall of the device frame 1 rotate with each other, a frame body 102 is installed on the surface of the device frame 1, a control button 103 is installed on the surface of the frame body 102, the model of the control button 103 can be selected from the LA series, a drive motor 106 is installed inside the device frame 1, the model of the drive motor 106 can be selected from the JO series, the input end of the drive motor 106 is electrically connected to the output end of the control button 103, the output end of the drive motor 106 is installed with a rotating shaft through a coupling, and one end of the rotating shaft is fixed to the surface of the conveyor belt 101, a stand 114 is installed on the surface of the device frame 1, a support plate 105 is installed on the surface of the stand 114, a placement rack 112 is installed on the surface of the frame body 102, a position sensor 104 for sensing the position of the circuit board is installed on the surface of the frame body 102, a tool holder 108 is provided below the frame body 102, and the tool holder 1 The surface of 08 is provided with a cutting knife 113, and the cutting knife 113 rotates with the inner wall of the knife holder 108. A servo motor 107 is installed inside the frame 102, and the model of the servo motor 107 can be selected from the S series. The input end of the servo motor 107 is electrically connected to the output end of the control button 103, and the output end of the servo motor 107 is installed with a rotating column through a coupling. A screw 110 is provided inside the frame 102, and the screw 110 rotates with the inner wall of the frame 102. The surface of the screw 110 is fixed to the surface of the rotating column, and the surface of the screw 110 is threadedly sleeved with an adjusting screw barrel. The inner wall of the frame 102 is provided with a guide slot 109, and the guide slot 109 slides with the surface of the adjusting screw barrel. The surface of the knife holder 108 is fixed to the surface of the adjusting screw barrel, and the knife holder 108 slides with the inner wall of the frame 102. A collection frame 111 for collecting the cut circuit board waste is provided on one side of the device frame 1.

[0026] Further, if Figure 2 and Figure 4As shown, the surface of the placement rack 112 is provided with a precision cutting mechanism 2, and the interior of the precision cutting mechanism 2 includes a limit plate 21, a telescopic spring 22 and a precision cutting group 23. The precision cutting group 23 is provided on the surface of the placement rack 112, and the precision cutting group 23 is composed of an electric push rod 231, a mounting plate 232 and a mounting screw 233. The surface of the placement rack 112 is provided with a mounting plate 232, and the surface of the mounting plate 232 is threadedly connected with a mounting screw 233. One end of the mounting screw 233 passes through the mounting plate 23 2 and is threadedly fastened to the surface of the placement rack 112. An electric push rod 231 is installed on the surface of the mounting plate 232. The model of the electric push rod 231 can be DG series. The input end of the electric push rod 231 is electrically connected to the output end of the control button 103. A telescopic spring 22 is installed on the surface of the mounting plate 232. A limiting plate 21 for positioning and placing the circuit board is provided on one side of the mounting plate 232. The surface of the limiting plate 21 is fixed to the output end of the electric push rod 231 and one end of the telescopic spring 22 respectively.

[0027] During implementation, the user places the circuit board to be cut on the surface of the placement rack 112, so that the circuit board is placed between adjacent mounting plates 232. Then, the user places the mounting plate 232 on the surface of the placement rack 112, and then tightens the mounting screws 233 on the surface of the mounting plate 232. Under the action of the mounting screws 233, the mounting plate 232 is installed on the surface of the placement rack 112. The user operates the control button 103, so that the control button 103 controls the electric push rod 231 on the surface of the mounting plate 232 to work. Under the joint action of the electric push rod 231 and the telescopic spring 22, the limit plate 21 is driven to move to the desired position. Under the action of the limit plate 21, the placement position of the circuit board is limited, so that the cutting device can cut the circuit board more accurately, thereby realizing the function of the cutting device to position and place the circuit board.

[0028] Further, if Figure 2 and Figure 5 As shown, the surface of the conveyor belt 101 is provided with an anti-drop mechanism 3, and the interior of the anti-drop mechanism 3 includes a baffle plate 31, a mounting block 32, an elastic clip 33, a fixed slot 34 and a mounting slot 35. The surface of the conveyor belt 101 is provided with a baffle plate 31 for blocking circuit board waste, and the bottom of the baffle plate 31 is installed with a mounting block 32. The surface of the conveyor belt 101 is provided with a mounting slot 35, and the mounting slot 35 and the surface of the mounting block 32 are engaged with each other. The surfaces on both sides of the mounting block 32 are installed with elastic clips 33. The inner wall of the conveyor belt 101 is provided with a fixed slot 34, and the fixed slot 34 and the surface of the elastic clip 33 are engaged with each other.

[0029] During implementation, the user places the baffle plate 31 on the surface of the conveyor belt 101, so that the baffle plate 31 drives the mounting block 32 to be clamped into the corresponding mounting groove 35, and the baffle plate 31 is guided under the joint action of the mounting block 32 and the mounting groove 35. At this time, the mounting block 32 drives the elastic clip 33 to be clamped into the inside of the fixed clip groove 34, and the mounting block 32 is prevented from loosening under the clamping action of the elastic clip 33 and the fixed clip groove 34, so that the baffle plate 31 can be stably installed on the surface of the conveyor belt 101, and under the action of the baffle plate 31, the tail material transported on the surface of the conveyor belt 101 is blocked and limited to prevent the tail material from falling during transportation, so as to realize the function of the cutting device to block and prevent the tail material after cutting the circuit board.

[0030] Further, if Figure 2 and Figure 6 As shown, the inner wall of the device frame 1 and the surface of the collection frame 111 are provided with a centralized processing mechanism 4, the interior of the centralized processing mechanism 4 includes a card block 41, a card slot body 42 and a centralized processing component 43, the centralized processing component 43 is arranged on the inner wall of the device frame 1 and the surface of the collection frame 111, the centralized processing component 43 is composed of an arc-shaped card part 431 and a stretching spring 432, the surface of the collection frame 111 is installed with a card block 41 for positioning and installing the collection frame 111, the surface of the device frame 1 is provided with a card slot body 42, the card slot body 42 and the surface of the card block 41 are engaged with each other, the surface of the card block 41 is provided with a groove, and the inside of the groove is provided with an arc-shaped card part 431, the arc-shaped card part 431 and the inner wall of the groove are slidably engaged with each other, the arc-shaped card part 431 and the inner wall of the device frame 1 are engaged with each other, the surface of the arc-shaped card part 431 is installed with a stretching spring 432, and one end of the stretching spring 432 is fixed to the inner wall of the groove.

[0031] During implementation, the user pulls the collection frame 111, causing the collection frame 111 to move to the side away from the device frame 1. At this time, the collection frame 111 drives the card block 41 away from the inside of the card slot body 42, and under the elastic force of the extension spring 432 inside the groove, the arc-shaped card member 431 is driven away from the inside of the device frame 1, thereby removing the collection frame 111 from the surface of the device frame 1, and centrally processing the circuit board waste inside the collection frame 111, so as to realize the function of the cutting device to centrally collect the waste after cutting the circuit board.

[0032] Working principle: When in use, first place the device rack 1 at the designated position, the user places the circuit board to be cut on the surface of the placement rack 112, so that the circuit board is placed between adjacent mounting plates 232, then the user places the mounting plate 232 on the surface of the placement rack 112, and then tightens the mounting screws 233 on the surface of the mounting plate 232. Under the action of the mounting screws 233, the mounting plate 232 is mounted on the surface of the placement rack 112, and the user operates the control button 103 so that the control button 103 controls the surface of the mounting plate 232. The electric push rod 231 works, and the limit plate 21 is driven to move to the desired position under the joint action of the electric push rod 231 and the telescopic spring 22. Under the action of the limit plate 21, the placement position of the circuit board is limited, so that the cutting device can cut the circuit board more accurately, so as to realize the function of the cutting device to position and place the circuit board, so that the cutting device can place the circuit board to be cut on the surface of the placement rack 112, avoiding the phenomenon of inaccurate cutting of the circuit board due to the deflection of the circuit board during the use of the cutting device.

[0033] Subsequently, under the action of the position sensor 104, the position of the circuit board can be sensed, and the user operates the control button 103 on the surface of the frame 102, so that the control button 103 controls the servo motor 107 inside the frame 102 to work, and under the action of the servo motor 107, the lead screw 110 is driven to rotate inside the frame 102, and the tool holder 108 is driven to slide on the inner wall of the frame 102 by the joint action of the lead screw 110 and the adjusting screw, and the adjusting screw is guided by the guide groove 109. When the tool holder 108 moves, the tool holder 108 drives the cutting knife 113 to move left and right to cut the circuit board placed on the surface of the placement rack 112, and the user operates the control button 103 again, so that the control button 103 controls the drive motor 106 inside the device frame 1 to work, and under the action of the drive motor 106, the conveyor belt 101 is driven to rotate inside the device frame 1, and the cut tail material falls to the surface of the conveyor belt 101, and the conveyor belt 101 transports the tail material.

[0034] Afterwards, the user places the baffle plate 31 on the surface of the conveyor belt 101, so that the baffle plate 31 drives the mounting block 32 to be clamped into the corresponding mounting groove 35, and the baffle plate 31 is guided under the joint action of the mounting block 32 and the mounting groove 35. At this time, the mounting block 32 drives the elastic clip 33 to be clamped into the inside of the fixed clip groove 34, and the mounting block 32 is prevented from loosening under the clamping action of the elastic clip 33 and the fixed clip groove 34, so that the baffle plate 31 can be stably installed on the surface of the conveyor belt 101, and under the action of the baffle plate 31, the tail material transported on the surface of the conveyor belt 101 is blocked and limited to prevent the tail material from falling during transportation, so as to realize the function of the cutting device to block and prevent the tail material after cutting the circuit board from falling, so that the cutting device can prevent the circuit board tail material from falling on the surface of the conveyor belt 101 when in use, making the cutting device more practical.

[0035] The scraps of the circuit boards are then transported to the collecting frame 111 under the action of the conveyor belt 101, and the scraps of the circuit boards are collected under the action of the collecting frame 111. When the user needs to process the scraps inside the collecting frame 111, the user pulls the collecting frame 111 to make the collecting frame 111 move to the side away from the device frame 1. At this time, the collecting frame 111 drives the card block 41 away from the inside of the card slot body 42, and the arc-shaped card member 431 is driven away from the inside of the device frame 1 under the elastic force of the extension spring 432 inside the groove, thereby removing the collecting frame 111 from the surface of the device frame 1, and centrally processing the scraps of the circuit boards inside the collecting frame 111, so as to realize the function of the cutting device to centrally collect the scraps of the circuit boards after cutting, so that the cutting device does not need to collect the scraps of the circuit boards after cutting separately when using it, making the cutting device more convenient for users to operate when in use, and finally completing the use of the cutting device.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A device for cutting circuit board tailings, comprising a device frame (1), characterized in that: A conveyor belt (101) is provided inside the device frame (1), and the conveyor belt (101) and the inner wall of the device frame (1) are mutually rotatable. A frame body (102) is installed on the surface of the device frame (1), and a control button (103) is installed on the surface of the frame body (102). A stand (114) is installed on the surface of the device frame (1), and a support plate (105) is installed on the surface of the stand (114). A placement rack (112) is installed on the surface of the stand (114). A position sensor (104) for sensing the position of the circuit board is installed on the surface of the frame (102). A knife holder (108) is provided below the frame body (102), and a cutting knife (113) is provided on the surface of the knife holder (108). The cutting knife (113) and the inner wall of the knife holder (108) are mutually rotatable. The device frame (1) is provided with a collection frame (111) for collecting the cut circuit board waste on one side, and the surface of the placement frame (112) is provided with a precision cutting mechanism (2), the interior of the precision cutting mechanism (2) includes a limit plate (21), a telescopic spring (22) and a precision cutting group (23), and the surface of the conveyor belt (101) is provided with an anti-drop mechanism (3), the interior of the anti-drop mechanism (3) includes a baffle plate (31), a mounting block (32), an elastic clamp (33), a fixed card slot (34) and a mounting slot (35), and the inner wall of the device frame (1) and the surface of the collection frame (111) are provided with a centralized processing mechanism (4), the interior of the centralized processing mechanism (4) includes a card block (41), a card slot body (42) and a centralized processing component (43).

2. The circuit board tailing cutting device according to claim 1, characterized in that: A driving motor (106) is installed inside the device frame (1), the input end of the driving motor (106) is electrically connected to the output end of the control button (103), the output end of the driving motor (106) is installed with a rotating shaft through a coupling, and one end of the rotating shaft is fixed to the surface of the conveyor belt (101), a servo motor (107) is installed inside the frame (102), the input end of the servo motor (107) is electrically connected to the output end of the control button (103), the output end of the servo motor (107) is installed with a rotating column through a coupling, A lead screw (110) is provided inside the frame body (102), and the lead screw (110) and the inner wall of the frame body (102) are rotatably matched with each other, the surface of the lead screw (110) is fixed to the surface of the rotating column, and the surface of the lead screw (110) is threadedly sleeved with an adjusting screw, and the inner wall of the frame body (102) is provided with a guide groove (109), and the guide groove (109) and the surface of the adjusting screw are slidably matched with each other, the surface of the tool holder (108) is fixed to the surface of the adjusting screw, and the tool holder (108) and the inner wall of the frame body (102) are slidably matched with each other.

3. The circuit board tailing cutting device according to claim 1, characterized in that: The precision cutting group (23) is arranged on the surface of the placement rack (112), and the precision cutting group (23) is composed of an electric push rod (231), a mounting plate (232) and a mounting screw (233). The surface of the placement rack (112) is provided with a mounting plate (232), and the surface of the mounting plate (232) is threadedly connected with the mounting screw (233). One end of the mounting screw (233) passes through the mounting plate (232) and is threadedly fastened to the surface of the placement rack (112).

4. The circuit board tailing cutting device according to claim 3, characterized in that: The surface of the mounting plate (232) is mounted with an electric push rod (231), the input end of the electric push rod (231) is electrically connected to the output end of the control button (103), the surface of the mounting plate (232) is mounted with a telescopic spring (22), one side of the mounting plate (232) is provided with a limiting plate (21) for positioning the circuit board, the surface of the limiting plate (21) is respectively fixed to the output end of the electric push rod (231) and one end of the telescopic spring (22).

5. The circuit board tailing cutting device according to claim 1, characterized in that: The surface of the conveyor belt (101) is provided with a blocking plate (31) for blocking circuit board waste, the bottom of the blocking plate (31) is installed with a mounting block (32), and the surface of the conveyor belt (101) is provided with a mounting groove (35), and the mounting groove (35) and the surface of the mounting block (32) are engaged with each other.

6. The circuit board tailing cutting device according to claim 5, characterized in that: Elastic clamps (33) are installed on the surfaces of both sides of the installation block (32), and fixed clamping grooves (34) are opened on the inner wall of the conveyor belt (101). The fixed clamping grooves (34) and the surfaces of the elastic clamps (33) are mutually engaged.

7. The device for cutting circuit board tailings according to claim 1, characterized in that: The centralized processing component (43) is arranged on the inner wall of the device frame (1) and the surface of the collection frame (111). The centralized processing component (43) is composed of an arc-shaped clamp (431) and a stretching spring (432). The surface of the collection frame (111) is installed with a clamping block (41) for positioning and installing the collection frame (111). The surface of the device frame (1) is provided with a clamping slot body (42). The clamping slot body (42) and the surface of the clamping block (41) are mutually engaged.

8. The circuit board tailing cutting device according to claim 7, characterized in that: The surfaces of the clamping blocks (41) are all provided with grooves, and arc-shaped clamping parts (431) are provided inside the grooves. The arc-shaped clamping parts (431) and the inner wall of the grooves are slidably matched with each other. The arc-shaped clamping parts (431) and the inner wall of the device frame (1) are mutually engaged and matched. The surfaces of the arc-shaped clamping parts (431) are all provided with extension springs (432), and one end of the extension springs (432) is fixed to the inner wall of the grooves.

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