A feeding device for producing ceramic circuit boards

Abstract

The present invention relates to the field of ceramic circuit boards, and in particular to a feeding device for producing ceramic circuit boards, which is fixed by magnetic attraction, is not easy to fall, and has a simplified structure. It includes a workbench, and the four corners of the bottom are respectively provided with first legs, and a processing mechanism is fixedly provided on the upper side of the right end of the workbench; a rectangular groove is embedded in the workbench below the crossbeam, and a rectangular through hole is embedded in the center of the rectangular groove; a rotatable magnetic pick-and-place mechanism cooperating with the circuit board is fixedly provided on the workbench on the left side of the rectangular groove; a first rectangular frame is embedded in the workbench on the left side of the magnetic pick-and-place mechanism, and a second rectangular frame is provided at the center of the first rectangular frame; a guide structure with a lower left and a higher right is provided under the workbench; and a circuit board storage structure is also fixedly provided on the front side of the left end of the workbench. It is simple to operate, easy to use, and suitable for a variety of ceramic circuit boards.

Description

Technical Field

[0001] The invention relates to the field of ceramic circuit boards, in particular to a feeding device for producing ceramic circuit boards. Background Art

[0002] Ceramic circuit boards are circuit boards made of ceramic materials. They have the advantages of high heat resistance, corrosion resistance, and high insulation, so they are widely used in various electronic devices. With the continuous development of science and technology and the increasing demand for electronic equipment, the market prospects for ceramic circuit boards are becoming more and more broad. In particular, in recent years, with the rapid development of new energy vehicles and photovoltaic energy storage industries, the demand for IGBT power modules has grown rapidly, and the demand for ceramic circuit boards has also continued to increase.

[0003] Ceramic circuit boards need to be loaded during the production process. Most existing loading mechanisms use a suction cup fixing structure, and then place the board in a designated position. The suction cup structure is prone to problems such as loose adsorption, causing the board to fall or even damage the board. The Chinese utility model patent with application number 201921379319.4 discloses a loading device for ceramic circuit boards. The utility model can assist intelligent equipment to judge the adsorption effect and make abnormal alarms, but it has the problem of circuit board falling; the Chinese utility model patent with application number 201820981268.1 discloses an automatic positioning and feeding device for ceramic circuit boards, which uses a traverse motor to move the steel mesh, vacuum adsorption, fast extraction and placement, high steel mesh safety, vacuum suction nozzle adsorption, no damage to the steel mesh, infrared positioning, to ensure that there is no position offset each time grabbing, but it also has the problem of circuit board falling; the Chinese utility model patent with application number 202320104134.2 discloses a ceramic circuit board feeding device, which can realize the fixation of ceramic circuit boards, and the thickness adjustment mechanism is convenient to adjust the distance between the thickness lower layer clamping plate and the clamping plate, so as to realize the fixation of ceramic circuit boards of different thicknesses, and the width adjustment mechanism is convenient to adjust the position of the connecting bracket, so as to realize the position adjustment of the clamping plate, thereby realizing the fixation of ceramic circuit boards of different widths, and the connecting column is used with the bottom plate to facilitate the angle adjustment of the bottom plate. However, its structure is relatively complex and it is not easy to repair after damage.

[0004] In view of this, there is an urgent need for a feeding device for ceramic circuit boards that has a simple structure and is not prone to falling. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a feeding device for producing ceramic circuit boards. The feeding device is fixed by magnetic attraction, is not easy to fall, and has a simplified structure, effectively solving the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a feeding device for producing ceramic circuit boards, comprising a workbench, the workbench is in a rectangular shape, and the four corners of the bottom are respectively provided with first legs, a processing mechanism is fixedly provided on the upper side of the right end of the workbench, and the processing mechanism comprises a vertical beam, the upper end of the vertical beam is fixedly connected to the bottom surface of the right end of the horizontal beam, and a polishing component that can slide left and right and telescope vertically is provided under the horizontal beam; A rectangular groove is embedded on the workbench below the crossbeam, and a rectangular through hole is embedded in the center of the rectangular groove; A rotatable magnetic pick-and-place mechanism cooperating with the circuit board is fixedly provided on the workbench on the left side of the rectangular groove; A first rectangular frame is embedded on the workbench on the left side of the magnetic pick-and-place mechanism, and a second rectangular frame is provided at the center of the first rectangular frame; A guide structure with a lower left side and a higher right side is provided under the workbench; A circuit board storage structure is also fixedly provided on the front side of the left end of the workbench.

[0007] As a preferred technical solution, the magnetic pick-and-place mechanism includes a driving motor vertically fixed to the workbench, a shaft sleeve is fixedly provided on the upper end of the motor shaft on the upper side of the driving motor, a support rod is fixedly provided on the side of the shaft sleeve, a vertical fixed block is provided at the bottom of the end of the support rod, an electromagnet is fixedly provided at the bottom of the fixed block, and a rectangular iron sheet is adsorbed on the bottom of the electromagnet.

[0008] As a preferred technical solution, the end of the support rod is exactly located at the center of the rectangular groove and the second rectangular frame when rotating to the right and left.

[0009] As a preferred technical solution, the vertical projection areas of the rectangular groove and the first rectangular frame are equal.

[0010] As a preferred technical solution, the vertical projection areas of the second rectangular frame and the rectangular iron sheet are equal and smaller than the vertical projection area of ​​the rectangular through hole.

[0011] As a preferred technical solution, the guide structure includes a wedge-shaped block that is lower on the left and higher on the right, and the upper edge of the right end of the wedge-shaped block contacts the bottom surface of the right edge of the rectangular through hole; The upper surface of the wedge block is embedded with a rectangular slideway groove in the left and right directions; The left end of the wedge block contacts the supporting plate in the horizontal direction.

[0012] As a preferred technical solution, the width of the slideway groove is greater than the front-to-back width of the rectangular through hole.

[0013] As a preferred technical solution, a stopper in the front-rear direction is fixedly provided on the upper surface of the left end portion of the support plate.

[0014] As a preferred technical solution, the circuit board storage structure includes a box body, which is a rectangular structure with an upper opening, and a plurality of vertical partitions are arranged at intervals in the front and rear of the box body, and a cavity with an upper opening is formed between the partitions; The four corners of the bottom of the box are respectively provided with second legs; A distribution box cooperating with the polishing assembly and the circuit board placement structure is fixedly provided on the left outer surface of the box body.

[0015] As a preferred technical solution, a rectangular pit is embedded in the ground below the support plate, and a vertical lifting structure is fixed in the pit. The lifting structure includes a vertical electric telescopic rod, and a sleeve with a lower opening is sleeved on the top of the rod body of the electric telescopic rod. A fastening bolt is screwed inward on one side of the sleeve, and the top surface of the sleeve is bonded and fixed to the bottom surface of the support plate.

[0016] Compared with the prior art, the present invention provides a feeding device for producing ceramic circuit boards, which has the following beneficial effects: 1. The present invention has a rectangular groove embedded in the workbench below the crossbeam, a rectangular through hole embedded in the center of the rectangular groove, a first rectangular frame embedded in the workbench on the left side of the magnetic pick-and-place mechanism, a second rectangular frame embedded in the center of the first rectangular frame, when in use, the rectangular groove is used to limit the circuit board to be polished, the rectangular through hole facilitates the falling of the rectangular iron sheet when the electromagnet is powered off, the second rectangular frame is used to place the rectangular iron sheet, the circuit board is placed on the rectangular iron sheet, and the first rectangular frame is used to calibrate the position of the circuit board.

[0017] 2. The present invention includes a driving motor vertically fixed to the workbench through a magnetic pick-and-place mechanism, a shaft sleeve is fixedly arranged on the upper end of the motor shaft on the upper side of the driving motor, a support rod is fixedly arranged on the side of the shaft sleeve, a vertical fixing block is arranged at the bottom of the end of the support rod, an electromagnet is fixedly arranged at the bottom of the fixing block, a rectangular iron sheet is adsorbed on the bottom of the electromagnet, when in use, the initial position of the support rod points to the rear side of the workbench, perpendicular to the left and right directions of the workbench, the driving motor is controlled to rotate leftward, so that the electromagnet is located directly above the circuit board in the second rectangular frame, the electromagnet contacts the upper surface of the circuit board, and then the electromagnet is started, so that the rectangular iron sheet at the bottom can be moved on the electric Under the action of the magnet, it moves upward and clamps the circuit board, and then controls the drive motor to rotate right so that the electromagnet stops just above the rectangular groove. Then the electromagnet is powered off, and the rectangular iron sheet falls into the rectangular through hole and can return to the bottom of the left end of the workbench through the guide structure. Then the drive motor is controlled to rotate 90 degrees to the left to reset. At this time, the polishing assembly can work, and the staff can put the rectangular iron sheet and the new circuit board on the workbench and wait for the next grabbing. This process is repeated to realize the loading of the circuit board. After polishing, the staff can use a suction cup to remove the circuit board, or push up from the bottom with their hands to remove the circuit board.

[0018] 3. The present invention comprises a wedge-shaped block which is lower on the left and higher on the right through a guiding structure, wherein the upper edge of the right end portion of the wedge-shaped block contacts the bottom surface of the right edge of the rectangular through hole, and a rectangular slide groove in the left and right directions is embedded on the upper surface of the wedge-shaped block, and the left end portion of the wedge-shaped block contacts the horizontal support plate. When in use, the rectangular iron sheet falls on the wedge-shaped block and can slide to the left to the support plate through the slide groove, and the stop block can limit the rectangular iron sheet.

[0019] 4. The present invention comprises a box body through a circuit board storage structure, wherein the box body is a rectangular structure with an upper opening, and a plurality of vertical partitions are arranged at intervals in the front and rear of the box body, and a cavity with an upper opening is formed between the partitions. Second legs are respectively provided at the four corners of the bottom of the box body, and a distribution box cooperating with a polishing assembly and a circuit board placement structure is fixedly provided on the left outer surface of the box body. When in use, the cavity can serve as a temporary storage for the circuit boards to be cut.

[0020] 5. The present invention embeds a rectangular pit in the ground below the support plate, in which a vertical electric telescopic rod is fixed, and a sleeve with a lower opening is sleeved on the top of the electric telescopic rod, and a fastening bolt is screwed inward on one side of the sleeve, and the top surface of the sleeve is bonded and fixed to the bottom surface of the support plate. When in use, the electric telescopic rod is electrically connected to the distribution box through the line, and after the rectangular iron sheet slides onto the support plate, the electric telescopic rod can be started to lift the support plate, so that the staff can take the rectangular iron sheet conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings described herein are used to provide a further understanding of the invention and constitute a part of this application: Figure 1 It is a schematic diagram of the three-dimensional structure of the first embodiment of the present invention; Figure 2 for Figure 1 An enlarged structural diagram of the middle workbench cooperating with the processing mechanism and the magnetic pick-and-place mechanism; Figure 3 It is an enlarged structural schematic diagram of a magnetic pick-and-place mechanism; Figure 4 It is an enlarged structural diagram of the cooperation between the guide structure and the support plate; Figure 5 It is an enlarged structural schematic diagram of a circuit board storage structure; Figure 6 It is a schematic diagram of the three-dimensional structure of the second embodiment of the present invention; Figure 7 for Figure 6 Schematic diagram of the enlarged structure of the electric telescopic rod.

[0022] Indications in the figure: 1. Workbench; 11. First leg; 12. Rectangular groove; 13. Rectangular through hole; 14. First rectangular frame; 15. Second rectangular frame; 2. Processing mechanism; 21. Vertical beam; 22. Horizontal beam; 23. Polishing assembly; 3. Circuit board; 31. Rectangular iron sheet; 4. Magnetic pick-and-place mechanism; 41. Drive motor; 42. Motor shaft; 43. Bushing; 44. Support rod; 45. Fixed block; 46. Electromagnet; 5. Guide structure; 51. Wedge block; 52. Slideway groove; 6. Support plate; 61. Block; 7. Storage structure; 71. Box body; 72. Second leg; 73. Partition; 74. Cavity; 75. Distribution box; 8. Lifting structure; 81. Electric telescopic rod; 82. Rod body; 83. Sleeve; 84. Fastening bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0024] like Figures 1 to 5 As shown, a feeding device for ceramic circuit board production includes a workbench 1, which is in the shape of a rectangular parallelepiped and has first legs 11 at the four corners of the bottom. A processing mechanism 2 is fixedly provided on the upper side of the right end of the workbench 1. The processing mechanism 2 includes a vertical beam 21. The upper end of the vertical beam 21 is fixedly connected to the bottom surface of the right end of the horizontal beam 22. A polishing component 23 (existing technology) that can slide left and right and telescope vertically is provided under the horizontal beam 22. A rectangular groove 12 (larger than the vertical projection area of ​​the circuit board 3) is embedded on the workbench 1 below the crossbeam 22, a rectangular through hole 13 is embedded in the center of the rectangular groove 12, a rotatable magnetic pick-and-place mechanism 4 that cooperates with the circuit board 3 (the area of ​​the rectangular through hole is larger than the area 13 of the rectangular through hole) is fixedly provided on the workbench 1 on the left side of the rectangular groove 12, a first rectangular frame 14 (laser engraving) is embedded on the workbench 1 on the left side of the magnetic pick-and-place mechanism 4, a second rectangular frame 15 (laser engraving) is provided at the center of the first rectangular frame 14, a guide structure 5 with the left side lower and the right side higher is provided below the workbench 1, and a circuit board storage structure 7 is also fixedly provided on the front side of the left end of the workbench 1.

[0025] The magnetic pick-and-place mechanism 4 includes a driving motor 41 vertically fixed to the workbench 1, a shaft sleeve 43 is fixedly provided at the upper end of a motor shaft 42 on the upper side of the driving motor 41, a support rod 44 is fixedly provided on the side of the shaft sleeve 43, a vertical fixing block 45 is provided at the bottom of the end of the support rod 44, an electromagnet 46 is fixedly provided at the bottom of the fixing block 45, and a rectangular iron sheet 31 is adsorbed at the bottom of the electromagnet 46.

[0026] The end of the support rod 44 is just located at the center of the rectangular groove 12 and the second rectangular frame 15 when rotating to the right and left.

[0027] The vertical projection areas of the rectangular groove 12 and the first rectangular frame 14 are equal. The vertical projection areas of the second rectangular frame 15 and the rectangular iron sheet 31 are equal and smaller than the vertical projection area of ​​the rectangular through hole 13 .

[0028] The guide structure 5 includes a wedge block 51 which is lower on the left and higher on the right. The upper edge of the right end of the wedge block 51 contacts the bottom surface of the right edge of the rectangular through hole 13. A rectangular slide groove 52 (which runs through the wedge block) is embedded in the upper surface of the wedge block 51 in the left and right directions. The left end of the wedge block 51 contacts the horizontal support plate 6.

[0029] The width of the slideway groove 52 is greater than the front-to-back width of the rectangular through hole 13. A stopper 61 in the front-to-back direction is fixedly provided on the upper surface of the left end portion of the support plate 6.

[0030] The circuit board storage structure 7 includes a box body 71, which is a rectangular structure with an upper opening. A plurality of vertical partitions 72 are arranged at intervals in the front and rear of the box body 71, and an upper-open cavity 73 is formed between the partitions 72. Second legs 74 are respectively provided at the four corners of the bottom of the box body 73, and a distribution box 75 that cooperates with the polishing assembly 23 and the circuit board placement structure 4 is fixedly provided on the left outer surface of the box body 74.

[0031] When in use, the rectangular groove 12 is used to limit the circuit board 3 to be polished, the rectangular through hole 13 facilitates the falling of the rectangular iron sheet 31 when the electromagnet 46 is powered off, the second rectangular frame 15 is used to place the rectangular iron sheet 31, the circuit board 3 is placed on the rectangular iron sheet 31, and the first rectangular frame 14 is used to calibrate the position of the circuit board 3. Specifically, the initial position of the support rod 44 points to the rear side of the workbench 1 and is perpendicular to the left and right directions of the workbench 1. The drive motor 41 is controlled to rotate leftward so that the electromagnet 46 is located directly above the circuit board 3 in the second rectangular frame 15. The electromagnet 46 contacts the upper surface of the circuit board 3. Then, the electromagnet 46 is started. The rectangular iron sheet 31 at the bottom can move upward under the action of the electromagnet 46 and clamp the circuit board 3. Then, the drive motor 41 is controlled to rotate rightward so that the electromagnet 46 stops directly above the rectangular groove 12. Then, the electromagnet 46 is powered off. Then, the rectangular iron sheet 31 falls into the rectangular through hole and can return to the bottom of the left end of the workbench 1 through the guide structure 5. Then, the drive motor 41 is controlled to rotate leftward 90 degrees to reset. At this time, the polishing assembly 23 can work. At the same time, the staff can place the rectangular iron sheet 31 and the new circuit board 3 on the workbench 1 and wait for the next grab. This is repeated to realize the loading of the circuit board 3. After polishing, the staff can use a suction cup (existing tool) to absorb and remove the circuit board 3, or push the circuit board 3 upward by hand at the bottom to remove it. The rectangular iron sheet 31 falls on the wedge block 51 and can slide to the left onto the support plate 6 through the slideway groove 52, and the stopper 61 can limit the rectangular iron sheet 31. The cavity 74 can temporarily store the circuit board 3 to be cut. Example 2

[0032] like Figure 6 , Figure 7 As shown, a rectangular pit (not shown) is embedded in the ground below the support plate 6, and a vertical jacking structure 8 is fixedly provided in the pit. The jacking structure 8 includes a vertical electric telescopic rod 81 (the bottom is fixedly connected to the fixing seat (not shown) below), and the top of the rod body 82 of the electric telescopic rod 81 is sleeved with a sleeve 83 with a lower opening, and a fastening bolt 84 is screwed inward on one side of the sleeve 83, and the top surface of the sleeve 83 is bonded and fixed to the bottom surface of the support plate 6.

[0033] When in use, the electric telescopic rod 81 is electrically connected to the distribution box 75 through the line. After the rectangular iron sheet 31 slides onto the support plate 6, the electric telescopic rod 81 can be started to lift the support plate 6, making it convenient for the staff to take the rectangular iron sheet 31.

[0034] The components used in the present invention are all universal standard components or components known to those skilled in the art, and their structures and principles are well known to those skilled in the art.

[0035] It should be noted that, in this article, the directions or positional relationships indicated by the terms "first", "second", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding device for producing ceramic circuit boards, characterized in that: The workbench comprises a rectangular parallelepiped, and the four corners of the bottom are respectively provided with first legs. A processing mechanism is fixedly provided on the upper side of the right end of the workbench, and the processing mechanism comprises a vertical beam, and the upper end of the vertical beam is fixedly connected to the bottom surface of the right end of the horizontal beam, and a polishing component that can slide left and right and telescope vertically is provided under the horizontal beam; A rectangular groove is embedded on the workbench below the crossbeam, and a rectangular through hole is embedded in the center of the rectangular groove; A rotatable magnetic pick-and-place mechanism cooperating with the circuit board is fixedly provided on the workbench on the left side of the rectangular groove; A first rectangular frame is embedded on the workbench on the left side of the magnetic pick-and-place mechanism, and a second rectangular frame is provided at the center of the first rectangular frame; A guide structure with a lower left side and a higher right side is provided under the workbench; A circuit board storage structure is also fixedly provided on the front side of the left end of the workbench.

2. A feeding device for producing ceramic circuit boards according to claim 1, characterized in that: The magnetic pick-and-place mechanism includes a driving motor vertically fixed to the workbench, a shaft sleeve is fixedly provided at the upper end of the motor shaft on the upper side of the driving motor, a support rod is fixedly provided on the side of the shaft sleeve, a vertical fixing block is provided at the bottom of the end of the support rod, an electromagnet is fixedly provided at the bottom of the fixing block, and a rectangular iron sheet is adsorbed at the bottom of the electromagnet.

3. A feeding device for producing ceramic circuit boards according to claim 2, characterized in that: When the end of the support rod rotates to the right and left, it is just located at the center of the rectangular groove and the second rectangular frame.

4. A feeding device for producing ceramic circuit boards according to claim 1, characterized in that: The vertical projection areas of the rectangular groove and the first rectangular frame are equal.

5. The feeding device for producing ceramic circuit boards according to claim 1, characterized in that: The vertical projection areas of the second rectangular frame and the rectangular iron sheet are equal and smaller than the vertical projection area of ​​the rectangular through hole.

6. A feeding device for producing ceramic circuit boards according to claim 1, characterized in that: The guide structure comprises a wedge-shaped block which is lower on the left and higher on the right, wherein the upper edge of the right end of the wedge-shaped block contacts the bottom surface of the right edge of the rectangular through hole; The upper surface of the wedge block is embedded with a rectangular slideway groove in the left and right directions; The left end of the wedge block contacts the supporting plate in the horizontal direction.

7. A feeding device for producing ceramic circuit boards according to claim 6, characterized in that: The width of the slideway groove is greater than the front-to-back width of the rectangular through hole.

8. A feeding device for producing ceramic circuit boards according to claim 6, characterized in that: A stopper in the front-rear direction is also fixedly provided on the upper surface of the left end portion of the support plate.

9. A feeding device for producing ceramic circuit boards according to claim 1, characterized in that: The circuit board storage structure comprises a box body, which is a rectangular structure with an upper opening, and a plurality of vertical partitions are arranged at intervals in the front and rear of the box body, and a cavity with an upper opening is formed between the partitions; The four corners of the bottom of the box are respectively provided with second legs; A distribution box cooperating with the polishing assembly and the circuit board placement structure is fixedly provided on the left outer surface of the box body.

10. A feeding device for producing ceramic circuit boards according to claim 6, characterized in that: A rectangular pit is embedded in the ground below the support plate, in which a vertical lifting structure is fixed, the lifting structure includes a vertical electric telescopic rod, the top of the rod body of the electric telescopic rod is sleeved with a sleeve with a lower opening, one side of the sleeve is screwed inward with a fastening bolt, and the top surface of the sleeve is bonded and fixed to the bottom surface of the support plate.

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