A magazine type automatic feeding mechanism for a spot drilling machine

Abstract

This utility model relates to the field of drilling machine technology, specifically a spring-loaded automatic feeding mechanism for a drilling machine. It includes an automatic drill plate discharge platform, a feeding conveyor belt, and its drive motor. A pair of adjustable-distance drill plate side clamps are arranged in the middle of the discharge platform to form a drill plate stacking channel. Tension adjustment components are provided on the outer sides of the side clamps. These components consist of a U-shaped base that can slide along the transmission direction, upper / lower clamping plates, an arc-shaped waist hole, a push rod, a T-slot and a T-block, a U-shaped clamping push plate, and a clamping cylinder. An automatic pushing component is located at the bottom of the drill plate discharge channel. This component includes a through hole, a push block, a sliding opening, a slider, a slide rail, a movable base, and a pushing cylinder. The clamping force is adjusted by the tension adjustment component, and the automatic pushing component operates synchronously. This mechanism achieves continuous, stable, and automatic drilling plate feeding, and has advantages such as convenient adjustment, accurate feeding, smooth pushing, and minimal wear on the drill plate.

Description

Technical Field

[0001] This utility model relates to the field of drilling machine technology, specifically a clip-type automatic feeding mechanism for a drilling machine. Background Technology

[0002] A spot drilling machine is an automated piece of equipment widely used in printed circuit board (PCB) manufacturing, metal processing, and precision parts manufacturing. It is primarily used to perform high-precision drilling, spot drilling, or similar machining operations. During operation, a continuous and stable supply of drilling material or other workpiece material is required to ensure the continuity and efficiency of the production process.

[0003] In existing automated drilling machine systems, the reliability and stability of the feeding mechanism directly affect production efficiency and finished product consistency.

[0004] Traditional manual or simple mechanical feeding methods have several shortcomings: Manual feeding is labor-intensive and has an unstable cycle time, making it difficult to meet the requirements of continuous high-speed production; Some mechanical feeding mechanisms have insufficient positioning and clamping accuracy for the plates, resulting in single pieces falling, misaligning, or jamming, which in turn affects subsequent transmission and processing; The feeding device and the clamping device are not well matched, resulting in large feeding impact, severe wear, and frequent replacement of vulnerable parts. The equipment is difficult to adjust, and frequent shutdowns are required for debugging when the thickness of the drill plate or the number of stacks changes, which reduces the availability of the equipment.

[0005] Therefore, in view of the above, this technical solution designs a magazine-type automatic feeding mechanism for a point drilling machine. Utility Model Content

[0006] The purpose of this utility model is to provide a magazine-type automatic feeding mechanism for a drilling machine to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: An automatic feeding mechanism for a drilling machine is provided. It is connected to the feed side of the drilling machine and is used to automatically feed material towards the drilling machine. It includes an automatic drill plate discharge platform and a feeding conveyor belt. The bottom of the automatic drill plate discharge platform and the feeding conveyor belt are supported and positioned by multiple evenly distributed brackets. The discharge end of the automatic drill plate discharge platform is in contact with the feed end of the feeding conveyor belt, which facilitates the automatic transfer of the output drill plate to the feeding conveyor belt and then to the drilling machine. The automatic drilling plate unloading platform has two adjustable drilling plate side clamps in the middle of the platform. The middle of the two side clamps forms a drilling plate stacking channel with openings at the top and bottom. The drilling plates to be unloaded are stacked longitudinally into the drilling plate stacking channel. A tension adjustment component is set on the outside of the two side clamps. The tension adjustment component is used to adjust the clamping force of the two side clamps on the drilling plates placed inside the drilling plate stacking channel. That is, by controlling the clamping force, the automatic falling of the drilling plates is controlled. A drilling plate discharge channel is opened in the middle of the bottom of the drilling plate stacking channel. The output end of the drilling plate discharge channel is connected to the feed end of the feeding conveyor belt. At the same time, an automatic pushing component is set at the bottom of the drilling plate discharge channel. The automatic pushing component pushes the drilling plates falling into the drilling plate discharge channel and transfers them to the feeding conveyor belt. That is, with the cooperation of the tension adjustment component and the automatic pushing component, the automatic continuous feeding operation mode is achieved. The feeding conveyor belt is equipped with a conveyor belt drive motor at one end. The conveyor belt drive motor is connected and cooperates with multiple transmission wheels and synchronous belts located at the bottom of the feeding conveyor belt, thereby driving the feeding conveyor belt to carry out transmission.

[0008] Compared with the prior art, the beneficial effects of this utility model are: through the coordinated work of the tension adjustment component and the automatic feeding component, the fully automatic operation of the drill plate from stacking to conveying is realized, which significantly reduces manual intervention and improves production efficiency.

[0009] By employing a unique design with an arc-shaped waist hole and push rod, combined with an arc-shaped limiting block, the release and positioning of a single drill plate can be precisely controlled, avoiding the simultaneous falling of multiple plates or jamming, thus ensuring processing quality.

[0010] The magazine-style design makes full use of space, the overall mechanism is small in size and easy to install, making it particularly suitable for integration into existing drilling machine systems.

[0011] By adjusting the relative distance and clamping force of the side clamps of the drill plate, it can be applied to drill plates of different sizes and thicknesses, and has good versatility. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine.

[0013] Figure 2 This is a schematic diagram of a partial structure of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine. Figure 1 .

[0014] Figure 3 This is a schematic diagram of a partial structure of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine. Figure 2 .

[0015] Figure 4This is a schematic diagram of a partial structure of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine. Figure 3 .

[0016] Figure 5 This is a schematic diagram of a partial structure of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine. Figure 4 .

[0017] Figure 6 This is a schematic diagram of a partial structure of the feeding mechanism in a magazine-type automatic feeding mechanism for a drilling machine. Figure 5 .

[0018] Figure 7 for Figure 2 A magnified structural diagram of B in the diagram.

[0019] Figure 8 This is a schematic diagram of the upper clamping plate in a clip-type automatic feeding mechanism for a drilling machine.

[0020] Figure 9 for Figure 4 A magnified structural diagram of A in the middle.

[0021] Figure 10 for Figure 5 A magnified structural diagram of C.

[0022] The components include: an automatic drill plate unloading platform 10, a feeding conveyor belt 11, a conveyor belt drive motor 12, a drill plate side clamping plate 13, a drill plate stacking channel 14, a drill plate 15, a drill plate unloading channel 16, a clamping cylinder 17, a U-shaped clamping push plate 18, a U-shaped base 19, an arc-shaped waist hole 20, an upper clamping plate 21, a push rod 22, a positioning plate 23, a lower clamping plate 24, a pushing cylinder 25, a moving base 26, a push block 27, a through hole 28, a slide rail 29, a slider 30, a platform 31, and an arc-shaped limit block 32. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] Please see Figures 1-5 An automatic feeder mechanism for a drilling machine is provided, which is connected to the feed side of the drilling machine and is used to automatically feed material towards the drilling machine. It includes an automatic discharge platform 10 for drilling plates and a feeding conveyor belt 11. The bottom of the automatic discharge platform 10 for drilling plates and the feeding conveyor belt 11 are both supported and positioned by multiple evenly distributed brackets. The discharge end of the automatic discharge platform 10 for drilling plates is in contact with the feed end of the feeding conveyor belt 11, which facilitates the automatic transfer of the output drilling plates 15 onto the feeding conveyor belt 11 and then feeding them towards the drilling machine. The automatic drill plate unloading table 10 has two adjustable drill plate side clamps 13 in the middle of the table plate 31. The drill plate side clamps 13 form a drill plate stacking channel 14 with openings at the top and bottom. The drill plates 15 to be unloaded are stacked longitudinally into the drill plate stacking channel 14. A set of tension adjustment components is provided on the outside of the drill plate side clamps 13. The tension adjustment components are used to adjust the clamping force of the drill plate side clamps 13 on the drill plates 15 placed inside the drill plate stacking channel 14, that is, by controlling the clamping force. The system controls the automatic descent of the drill plate 15. A drill plate discharge channel 16 is provided at the bottom center of the drill plate stacking channel 14. The output end of the drill plate discharge channel 16 is connected to the feed end of the feeding conveyor belt 11. An automatic pushing component is provided at the bottom of the drill plate discharge channel 16. The automatic pushing component pushes the drill plate 15 that falls into the drill plate discharge channel 16 and transfers it to the feeding conveyor belt 11. That is, with the cooperation of the tension adjustment component and the automatic pushing component, the system operates in an automatic and continuous feeding mode. One end of the feeding conveyor belt 11 is equipped with a conveyor belt drive motor 12. The conveyor belt drive motor 12 is connected and cooperates with multiple transmission wheels and synchronous belts located at the bottom of the feeding conveyor belt 11, thereby driving the feeding conveyor belt 11 to perform transmission operation. The connection and operation principle and process of the conveyor belt drive motor 12, transmission wheels and synchronous belt can be referred to the existing conveyor belt structure, and will not be described in detail here. Specifically, the bottom of the two drill plate side clamps 13 is slidably connected to the platform 31, that is, a T-shaped slider is installed at the bottom of the drill plate side clamps 13, and a T-shaped groove is opened in the platform 31 corresponding to the T-shaped slider. The T-shaped slider moves along the T-shaped groove to adjust the relative movement of the two drill plate side clamps 13, and there will be no tilting or displacement. See Figure 2 , Figure 5 , Figure 7 , Figure 8 , Figure 10 The tension adjustment assembly includes a U-shaped base 19 symmetrically arranged on one side of the outside of the two drill plate side clamping plates 13. The bottom of the U-shaped base 19 is slidably connected to a sliding base, that is, the U-shaped base 19 slides along the transmission direction of the feeding conveyor belt 11. The upper clamping plate 21 and the lower clamping plate 24 are stacked on the inner side of the opening of the U-shaped base 19. The upper clamping plate 21 and the lower clamping plate 24 have a communicating arc-shaped waist hole 20 in the middle. A push rod 22 is slidably arranged inside the arc-shaped waist hole 20. The top of the push rod 22 is connected to the top of the opening of the U-shaped base 19. When the U-shaped base 19 moves, it drives the push rod 22 to slide inside the arc-shaped waist hole 20. With the help of the arc-shaped trajectory of the arc-shaped waist hole 20, the upper clamping plate 21 and the lower clamping plate 24 are pushed toward or away from the drill plate side clamping plate 13, thereby adjusting the clamping force on the drill plate side clamping plate 13. The vertical section of the U-shaped base 19 has a T-shaped groove, and a T-shaped block is slidably connected in the T-shaped groove. A U-shaped clamping push plate 18 is connected to the outer side of both T-shaped blocks. A clamping cylinder 17 fixed on the platform 31 is connected to the middle of the side wall of the U-shaped clamping push plate 18. That is, by activating the clamping cylinder 17, the U-shaped clamping push plate 18 is moved horizontally. Then, by using the sliding of the T-shaped block in the T-shaped groove and controlling the horizontal movement of the U-shaped base 19, the push rod 22 is moved inside the arc-shaped waist hole 20, thereby controlling the clamping force of the drill plate side clamping plate 13 on the drill plate 15. Specifically, the top two sides of the U-shaped base 19 symmetrically slide and press two positioning plates 23. The bottom of the positioning plates 23 are connected to the sliding base. The ends of the positioning plates 23 on both sides are connected to the sliding base downward through the side-mounted "I"-shaped connecting plates. The upper and lower walls of the U-shaped base 19 can pass along the upper and lower parts of the connecting plates. Meanwhile, in order to maintain the tightness of the drill plate side clamps 13 on both sides of the drill plate 15 each time the adjustment is made, and to control the fall of a single drill plate 15, an arc-shaped limiting block 32 is installed on the lower inner wall of the drill plate side clamps 13. By utilizing the arc-shaped structure of the arc-shaped limiting block 32, the fall of a single drill plate 15 can be precisely controlled at the moment the drill plate side clamps 13 are moved. Furthermore, when clamping the drill plate 15, at the moment of releasing the drill plate side clamp 13, the drill plate side clamp 13 may be unable to move momentarily due to the counter-thrust of the drill plate 15 alone. Therefore, a spring is provided between the T-shaped slider and the T-shaped groove at the bottom of the drill plate side clamp 13, that is, the elastic counter-thrust is used to increase the flexibility of the movement of the drill plate side clamp 13, thus ensuring a fast and effective unloading operation of the drill plate 15.

[0028] In this embodiment of the utility model, see Figures 1-6 , Figure 9The automatic feeding assembly includes a through hole 28 located inside the drill plate discharge channel 16 directly below the drill plate stacking channel 14. The area of ​​the through hole 28 is smaller than that of the drill plate 15. A push block 27 is provided below the through hole 28. A horizontal sliding opening is provided in the bottom wall of the drill plate discharge channel 16 corresponding to the bottom of the push block 27. A slider 30 located outside the bottom of the platform 31 is connected to the bottom of the push block 27. The slider 30 is not directly below the sliding opening. A slide rail 29 fixed to the bottom of the platform 31 is slidably connected to the slider 30. A movable base 26 is connected to the bottom of the slider 30. A pushing cylinder 25 is connected to one side of the movable base 26. The pushing cylinder 25 is fixed to the bottom of the automatic drill plate discharge platform 10. That is, by activating the pushing cylinder 25, the slider 30 is moved along the slide rail 29. The movement of the pusher 27 along the slide is caused by the movement of the pusher 27. The pusher 27 is initially positioned on the side of the drill plate 15 that is away from the feeding conveyor belt 11 after it has fallen. The top of the pusher 27 is aligned with the top of the drill plate 15. That is, by moving the pusher 27, the drill plate 15 is pushed along the inside of the drill plate discharge channel 16 and transferred to the feeding conveyor belt 11. When the drill plate 15 contacts the feeding conveyor belt 11, the friction between the feeding conveyor belt 11 and the drill plate 15 is used to automatically transfer the drill plate 15 to the feeding conveyor belt 11. Then it continues to move backward. At this time, the pusher 27 moves back to the initial position under the reverse movement of the pusher cylinder 25, waiting for the next push and transfer of the drill plate 15 after it has fallen. That is, after the push is completed, the pusher 27 returns to its original position under the reverse action of the pusher cylinder 25.

[0029] In one embodiment of this utility model, a buffer pad is provided on the side of the push block 27 that contacts the drill plate 15 to reduce contact wear with the drill plate 15 and increase the protective force between them.

[0030] The working principle of this utility model is as follows: In the idle position of this device, all the aforementioned driving components (representing power elements, electrical devices, and compatible power supplies) are connected via wires. The electrical connections are completed in sequence between the working components. The detailed connection methods are well-known in the field. The following mainly describes the working principle and process, without further explanation of the electrical control. Start the feeding conveyor belt drive motor 12, keep the feeding conveyor belt 11 running in the standby position or stopped in the idle position, and prepare to receive the drill plate 15. Place the drill plate 15 to be fed longitudinally into the drill plate stacking channel 14 formed between the two opposite drill plate side clamps 13. The drill plate 15 is stacked downward to the bottom of the channel under the action of gravity. By activating the clamping cylinder 17, the U-shaped clamping push plate 18 is driven to move horizontally. The sliding of the T-shaped block in the T-slot drives the U-shaped base 19 to move, causing the push rod 22 to slide in the arc-shaped waist hole 20. This causes the upper clamping plate 21 and the lower clamping plate 24 to move closer to or further away from the drill plate side clamping plate 13, thereby adjusting the clamping force on the drill plate 15. When the lowest drill plate 15 is ready to fall and enter the drill plate discharge channel 16 under the control of the arc-shaped limit block 32, the automatic push assembly is in standby mode, and the push block 27 is in the initial retraction position. Start the pusher cylinder 25. The pusher cylinder 25 pushes the moving base 26 to drive the slider 30 to move along the slide rail 29. The slider 30 drives the pusher block 27 to move forward along the slide. The top of the pusher block 27 is aligned with and in contact with the top of the drill plate 15. The buffer pad absorbs the contact impact. The pusher block 27 pushes the drill plate 15 along the drill plate discharge channel 16 to the position where it contacts the feeding conveyor belt 11. After the drill plate 15 contacts the feeding conveyor belt 11, it is driven by the friction of the conveyor belt. The drill plate is transferred to the conveyor belt and continues to move towards the feed side of the point drill with the conveyor belt. After the material is pushed, the pushing cylinder 25 is reset, and the pushing block 27 moves back to the initial position under the reverse action of the cylinder, ready for the next pushing action; at the same time, if necessary, the tension adjustment component can be adjusted at any time to accommodate different specifications of drill plates 15.

[0031] It should be understood that in this application, all rotating, sliding, meshing, belt-driven and other moving parts are well lubricated and not prone to slippage or wear, and each part is provided with a corresponding protective shell. However, in the accompanying drawings of this application, the connection state of each moving part is not shown. It should also be understood that all parts in this application are made of metal or plastic materials with suitable strength in the relevant field to ensure that their structural rigidity meets the actual requirements.

[0032] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A magazine-type automatic feeding mechanism for a drilling machine, characterized in that, It includes an automatic drill plate unloading platform (10), a feeding conveyor belt (11), and a conveyor belt drive motor (12); the automatic drill plate unloading platform (31) is provided with a pair of drill plate side clamps (13) with adjustable relative distance in the middle, and the drill plate side clamps (13) form a drill plate stacking channel (14) for longitudinally stacking drill plates (15) in the middle. A drill plate discharge channel (16) is opened at the bottom of the drill plate stacking channel (14). The output end of the drill plate discharge channel (16) is connected to the feed end of the feeding conveyor belt (11) in contact. Tightness adjustment components are provided on the outer side of the two drill plate side clamps (13). An automatic pushing component is provided at the bottom of the drill plate discharge channel (16) to push the falling drill plate (15) to the feeding conveyor belt (11).

2. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 1, characterized in that, The tension adjustment assembly includes a U-shaped base (19) that slides along the conveying direction of the feeding conveyor belt (11). An upper clamping plate (21) and a lower clamping plate (24) are stacked inside the U-shaped base (19). A connected arc-shaped waist hole (20) is opened in the middle of the upper clamping plate (21) and the lower clamping plate (24). A push rod (22) is slidably arranged inside the arc-shaped waist hole (20). The top of the push rod (22) is fixed to the top of the opening inside the U-shaped base (19).

3. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 2, characterized in that, The vertical section of the U-shaped base (19) is provided with a T-shaped groove, a T-shaped block is slidably connected in the T-shaped groove, a U-shaped clamping push plate (18) is connected to the outside of the T-shaped block, and a clamping cylinder (17) fixed on the platform (31) is connected to the middle of the side wall of the U-shaped clamping push plate (18).

4. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 3, characterized in that, The top two sides of the base (19) symmetrically slide and hold two positioning plates (23). The bottom of the positioning plates (23) is connected to the sliding base. The bottom of the side clamps (13) of the drill plate on both sides slides with the T-shaped sliding groove in the platform (31) through the T-shaped slider. A spring is provided between the T-shaped slider and the T-shaped sliding groove to enhance the counter-thrust force when the clamp is released.

5. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 4, characterized in that, An arc-shaped limiting block (32) is installed on the lower inner wall of the drill plate side clamp (13).

6. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 5, characterized in that, The automatic feeding assembly includes a through hole (28) located directly below the drill plate stacking channel (14). A push block (27) is provided on the lower side of the through hole (28). The bottom of the push block (27) is connected to a slider (30) located outside the bottom of the platform (31) through a sliding opening. The slider (30) is slidably connected to a slide rail (29) fixed to the bottom of the platform (31). The bottom of the slider (30) is integrated with the movable base (26). A feeding cylinder (25) is connected to one side of the movable base (26).

7. The automatic feeding mechanism for a drilling machine using a magazine as described in claim 6, characterized in that, The push block (27) is provided with a buffer pad on the side that contacts the drill plate (15). The initial position of the push block (27) is on the side of the drill plate (15) away from the feeding conveyor belt (11). After the material is pushed, the push block (27) returns to its original position under the reverse action of the pushing cylinder (25).

8. The automatic feeding mechanism for a drilling machine according to claim 7, characterized in that, The feeding conveyor belt (11) is equipped with a conveyor belt drive motor (12) at one end. The conveyor belt drive motor (12) is connected and cooperated with multiple transmission wheels and synchronous belts at the bottom of the feeding conveyor belt (11) to drive the feeding conveyor belt (11) to transmit. The automatic discharge table (10) of the drill plate and the bottom of the feeding conveyor belt (11) are both supported and positioned by multiple evenly distributed brackets.

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