Tool magazine and PCB processing device

Abstract

The embodiment of the utility model discloses a tool magazine and PCB processing device, including knife rest and cutterhead, the knife rest is rotatablely arranged on the PCB processing device, the knife rest is equipped with a plurality of mounting surfaces along the rotation direction, each mounting surface is equipped with at least one cutterhead, and the cutterhead is equipped with a plurality of mounting holes. According to the PCB machining device, tool changing can be carried out on the tool disc corresponding to any mounting face. According to the embodiment, the tool rest is provided with the multiple installation faces, when the tools on one installation face are abraded and need to be replaced, the tool rest is rotated so that the tools on the other installation face can be picked up by a PCB machining device to be replaced, the capacity of the tools stored in the tool magazine can be remarkably increased, and the machining efficiency of the PCB machining device can be improved. In this way, the frequency of shutdown tool replacement can be reduced, and the production and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB processing, especially relates to a tool magazine and PCB processing device. BACKGROUND

[0002] PCB (Printed Circuit Board) processing device can carry out drilling, cutting forming etc. to PCB, the drill required by drilling needs to be replaced or repaired after long time work, the existing PCB processing device generally will set up tool magazine, and only needs to utilize tool changing mechanism etc. to change the tool magazine to clamp the new tool from the tool magazine to change.

[0003] The tool magazine of the PCB processing device in the related art is arranged along a line on the tool magazine, so that the number of tool plates that can be arranged on the tool magazine is limited in the case that the space of the processing device is limited, and the number of tools that can be provided for replacement is also limited. When the tools for replacement on the tool magazine are used up, the tool magazine needs to be replaced after shutdown, so that the number of times of tool replacement after shutdown is increased due to the limitation of the number of tools stored in the existing tool magazine, and the production and processing efficiency of the processing device for PCB is reduced. SUMMARY

[0004] Therefore, it is necessary to provide a tool magazine and a PCB processing device capable of improving the production and processing efficiency of PCB for the above problems.

[0005] The utility model discloses a tool magazine, including:

[0006] Tool rest and tool plate, the tool rest is rotatablely arranged on the PCB processing device, and a plurality of mounting surfaces are arranged on the tool rest along the rotation direction, at least one tool plate is arranged on each mounting surface, and the PCB processing device can change tools on the tool plate corresponding to any mounting surface.

[0007] In one embodiment, the PCB processing device includes a processing platform, the tool magazine further includes a rotating shaft, the tool rest is rotatably connected to the processing platform through the rotating shaft, and the tool plate is detachably mounted on the corresponding mounting surface.

[0008] In one embodiment, a plurality of tool plates are mounted on each mounting surface along a first direction, and a plurality of tools are mounted on the tool plate.

[0009] In one embodiment, a first support and a second support are arranged at one end of the processing platform along a second direction, the opposite ends of the tool rest are rotatably connected to the first support and the second support respectively, and the tool rest is arranged at intervals on the processing platform.

[0010] In one embodiment, the tool holder is provided with an outer protrusion at each opposite end, the outer protrusions are connected with the first support and the second support through bearings respectively, the shaft is connected to the outer protrusions at both ends, and the second support is further provided with a driving member, and the output end of the driving member is connected to the shaft.

[0011] The outer protrusion is provided with a protruding shoulder, and a retainer ring is further connected to the outer protrusion and spaced from the shoulder, and the bearing can be clamped between the shoulder and the retainer ring.

[0012] In one embodiment, the second support includes a connecting plate, and a first mounting plate and a second mounting plate spaced on the connecting plate, the connecting plate is fixedly connected to the machining platform, the outer protrusion is rotatably connected to the first mounting plate through a bearing, and the driving member is fixedly connected to the second mounting plate.

[0013] In one embodiment, the shaft is arranged in the middle of the tool holder along the first direction, and the cross section of the tool holder perpendicular to the first direction has a regular polygonal shape.

[0014] Embodiments of the present application also provide a PCB processing device, comprising:

[0015] A machine tool;

[0016] A spindle assembly movably connected to the machine tool, the spindle assembly comprising a tool changing mechanism and a machining shaft connected to each other;

[0017] The machining platform is movably connected to the machine tool;

[0018] And the tool changing mechanism can drive the tool on any one of the tool discs to move between the tool disc and the machining shaft.

[0019] In one embodiment, the PCB processing device further comprises a transfer seat connected to the machining platform and spaced from the tool magazine, the transfer seat comprises a transfer mounting connected to the machining platform and a transfer tool storage connected to the transfer mounting, the tool changing mechanism can drive the tool on any one of the tool discs to move between the tool disc and the transfer tool storage, and the machining shaft can be moved to a position opposite to the transfer tool storage and perform tool changing.

[0020] In one embodiment, the machine tool is provided with a plurality of spindle assemblies and a plurality of machining platforms, each machining platform is provided with at least one tool magazine, and each spindle assembly can perform tool changing with the corresponding tool magazine.

[0021] The utility model discloses the following beneficial effects are had by adopting the embodiment:

[0022] According to the tool magazine in the above embodiment, a plurality of installation surfaces are arranged on the tool rest, and each installation surface can install a plurality of tool discs, so that the number of tool discs on the tool magazine can be increased, that is, the capacity of the tool magazine for storing tools can be increased, and after the tools on one installation surface of the tool magazine are used up, the tool magazine can be rotated to supply the tools on another installation surface to the PCB processing device, so that the frequency of stopping the machine to change the tools on the tool magazine can be reduced, and the production and processing efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Among them:

[0025] Figure 1 The structure of the PCB processing device provided by the utility model is shown in the schematic view;

[0026] Figure 2 The sectional view of the partial structure of the PCB processing device provided by the utility model is shown in the schematic view;

[0027] Figure 3 The schematic view of the enlarged view of A in the figure is shown in the schematic view; Figure 2 The schematic view of the enlarged view of A in the figure is shown in the schematic view;

[0028] Figure 4 The side view of the partial structure of the PCB processing device provided by the utility model is shown in the schematic view.

[0029] Explanation of main element symbols:

[0030] 1, machine tool; 11, first driving assembly; 12, second driving assembly;

[0031] 2, main shaft assembly; 21, processing seat; 22, tool changing mechanism; 23, processing shaft;

[0032] 3, processing platform; 31, transfer seat; 311, transfer mounting piece; 312, transfer tool storage piece;

[0033] 4, tool magazine; 41, tool rest; 411, installation surface; 412, outer convex part; 4121, shoulder; 413, retaining ring; 42, driving piece; 43, rotating shaft; 44, bearing; 45, shaft coupling; 46, tool disc;

[0034] 50, first support;

[0035] 60, second support; 61, connecting plate; 62, first mounting plate; 63, second mounting plate;

[0036] 70, first limiting member;

[0037] 80, second limiting member. DETAILED DESCRIPTION

[0038] For the purpose of facilitating the understanding of the present application, a more comprehensive description of the present application will be given below with reference to the relevant drawings. The drawings show the preferred embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0039] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0041] The present application provides a tool magazine, which is applied to a PCB processing device. The PCB processing device can be a molding machine, a drilling machine, or a drilling and milling integrated machine, etc. without limitation

[0042] In one embodiment, referring to Figures 1 to 4 The tool magazine 4 includes a tool holder 41 and a tool disc 46. The tool holder 41 is rotatably arranged on the PCB processing device. The tool holder 41 is provided with a plurality of mounting surfaces 411 along the rotation direction. Each mounting surface 411 is provided with at least one tool disc 46. The PCB processing device can perform tool changing on the tool disc 46 corresponding to any mounting surface 411.

[0043] In this embodiment, multiple mounting surfaces 411 are provided on the tool holder 41, and each mounting surface 411 can be equipped with multiple tool discs 46. This increases the number of tool discs 46 on the tool holder 41, and also increases the capacity of the tools stored in the tool magazine 4. After the tools on one mounting surface 411 of the tool holder 41 are used up, the tool holder 41 can be rotated to supply the tools on another mounting surface 411 to the PCB processing device. This reduces the frequency of downtime for loading and changing tools in the tool magazine 4, and improves production and processing efficiency.

[0044] In one embodiment, a PCB processing device includes a processing platform 3, a tool magazine 4 further including a rotating shaft 43, a tool holder 41 rotatably connected to the processing platform 3 via the rotating shaft 43, and a cutter disc 46 detachably mounted on a corresponding mounting surface 411. In this embodiment, rotating the rotating shaft 43 enables the supply of cutting tools from any mounting surface to the PCB processing device. Furthermore, the cutter disc 46 is detachably connected to the tool holder 41. When tools need to be replaced, each cutter disc 46 is assembled or disassembled as a unit, effectively improving replacement efficiency.

[0045] In one embodiment, see Figures 1 to 4 The number of mounting surfaces 411 on the tool holder 41 is not limited, and two mounting surfaces 411 may be provided, or three or more mounting surfaces 411 may be provided. It should be noted that the number of cutter discs 46 that can be mounted on each mounting surface 411 is greater than or equal to the number of cutter discs 46 mounted on the tool magazine 4 in the prior art. In other words, the number of mounting surfaces 411 of the tool magazine 4 in the present application determines that the number of cutting tools that can be stored in the tool magazine 4 is a multiple of the number of cutting tools stored in the tool magazine 4 in the prior art.

[0046] In this embodiment, the tool holder 41 is preferably provided with four mounting surfaces 411, and a plurality of tool discs 46 are mounted on each mounting surface 411 along a first direction. In this application, the first direction is Figure 1 The cutter head 46 can be connected to the tool holder 41 by snapping, buckling or screwing, which is not limited here. The tool is installed on the cutter head 46 by tight fit.

[0047] In one embodiment, the tool holder 41 is rotatably connected to the processing platform 3. Specifically, a first bracket 50 and a second bracket 60 are spaced apart on the processing platform 3, and outer protrusions 412 are spaced apart on the tool holder 41. The two outer protrusions 412 are arranged along the rotation axis 43 of the tool holder 41 and are located on an extension line of the rotation axis 43 of the tool holder 41. The two outer protrusions 412 are rotatably connected to the first bracket 50 and the second bracket 60, respectively, so that the tool holder 41 is rotatably connected to the processing platform 3. A gap is provided between the tool holder 41 and the processing platform 3 to ensure that the tool holder 41 does not contact the processing platform 3 during rotation.

[0048] In a specific embodiment, the two outer protrusions 412 are connected to the first support 50 and the second support 60 through bearings 44, the bearings 44 are fixedly connected to the first support 50 and the second support 60, the outer rings of the bearings 44 are fixed to the first support 50 and the second support 60, the inner rings of the bearings 44 are coaxially arranged behind the rotation axis of the tool holder 41, and the outer protrusions 412 can be inserted into the inner rings of the bearings 44. It should be noted that the outer protrusions 412 and the inner rings of the bearings 44 are preferably connected in an interference fit manner.

[0049] In addition, in order to ensure the connection stability of the outer protrusions 412 and the bearings 44, the outer protrusions 412 have protruding shoulders 4121, the outer protrusions 412 are further connected to retaining rings 413 which are arranged at intervals with the shoulders 4121, recesses (not shown in the figure) are arranged at the positions of the outer protrusions 412 which are spaced apart from the shoulders 4121, and the retaining rings 413 are clamped in the recesses. When the bearings 44 are sleeved on the outer protrusions 412, the bearings 44 can be clamped between the shoulders 4121 and the retaining rings 413.

[0050] In an embodiment, referring to Figures 1 to 4 , the tool holder 41 has a regular polygonal shape in the cross section perpendicular to the first direction, the rotating shaft 43 is arranged in the middle of the tool holder 41 along the first direction, the rotating shaft 43 is coaxially arranged with the rotation axis of the tool holder 41, that is, the rotating shaft 43 is used to provide a rotating structure for the tool holder 41. The two ends of the rotating shaft 43 are respectively arranged in the two outer protrusions 412 and are fixedly connected to the two outer protrusions 412, the second support 60 is further provided with a driving member 42, the driving member 42 is preferably a motor, and the output end of the motor is connected to the rotating shaft 43 through a shaft coupling 45. By arranging the driving member 42 and connecting the output end of the driving member 42 to the rotating shaft 43, the driving member 42 can drive the rotating shaft 43 to rotate, thereby driving the tool holder 41 to rotate.

[0051] In a specific embodiment, the second support 60 includes a connecting plate 61, a first mounting plate 62 and a second mounting plate 63 arranged on the connecting plate 61, the first mounting plate 62 and the second mounting plate 63 are located on the same side of the connecting plate 61, and the first mounting plate 62 and the second mounting plate 63 are arranged at intervals. The connecting plate 61 can be fixedly connected to the machining platform 3 by screws, the outer protrusions 412 are rotatably connected to the first mounting plate 62 through the bearings 44, the driving member 42 is fixedly connected to the second mounting plate 63, and the output end of the driving member 42 and the rotating shaft 43 are connected between the first mounting plate 62.

[0052] The utility model also provides a kind of PCB processing device, and PCB processing device can be forming machine, drilling machine or drilling and milling integrated machine and other processing equipment.In an embodiment, referring to Figures 1 to 4 , the PCB processing device includes machine tool 1, spindle assembly 2, machining platform 3 and tool magazine 4.

[0053] The spindle assembly 2 and the machining platform 3 are movably connected to the machine tool 1, for example, the spindle assembly 2 can move in a first direction, and the machining platform 3 can move in a second direction. In the present application, the second direction is the direction in which the machining platform 3 approaches or moves away from the spindle assembly 2, or please refer to the Y-axis direction shown in Figure 1 , Figure 1 The spindle assembly 2 at least has a machining shaft 23 and a tool changing mechanism 22, which is a mechanical hand in the present application. The spindle assembly 2 is located above the machining platform 3, and the machining platform 3 can move to the lower side of the spindle assembly 2. The tool changing mechanism 22 can pick up tools in the tool magazine and cooperate with the machining shaft 23 to perform a tool changing action.

[0054] Through the relative movement between the machining platform 3 and the spindle assembly 2, the tool changing mechanism 22 can drive the tools on the tool disc 46 to move between the tool disc 46 and the machining shaft 23, thereby realizing tool changing. By providing a plurality of mounting surfaces 411 on the tool holder 41, each mounting surface 411 can mount a plurality of tool discs 46, which can increase the number of tool discs 46 on the tool holder 41, that is, the capacity of the tool magazine 4 can be increased. The tool magazine 4 with a plurality of mounting surfaces 411 forms a three-dimensional tool storage structure. When the tools on one mounting surface 411 of the tool holder 41 are used up, rotating the tool holder 41 can supply tools on another mounting surface 411 to the spindle assembly 2, thereby reducing the frequency of stopping and changing tools in the tool magazine 4, and increasing the production and processing efficiency.

[0055] In one embodiment, the PCB processing device further comprises a transfer seat 31 connected to the machining platform 3 and spaced apart from the tool magazine 4. The transfer seat 31 comprises a transfer mounting member 311 connected to the machining platform 3 and a transfer tool storage member 312 connected to the transfer mounting member 311. The tool changing mechanism 22 can drive the tools on any tool disc 46 to move between the tool disc 46 and the transfer tool storage member 311, and the machining shaft 23 can move to a position opposite the transfer tool storage member 311 and perform tool changing. The transfer tool storage member 312 is provided with a transfer position (not shown in the figure) for mounting tools, and the structure of the transfer position is similar to the structure of the tool disc 46 for mounting tools, and both can be connected to the tools through interference fit.

[0056] The machine tool 1 is provided with a first driving assembly 11 and a second driving assembly 12, the spindle assembly 2 is connected to the machine tool 1 through the first driving assembly 11, and the machining platform 3 is connected to the machine tool 1 through the second driving assembly 12. The first driving assembly 11 can guide the spindle assembly 2 to move in a first direction, and the second driving assembly 12 can guide the machining platform 3 to move in a second direction. In a preferred embodiment, the first driving assembly 11 and the second driving assembly 12 are both combined structures of a slide rail and a slide block, wherein the slide rail is laid on the machine tool 1, and the slide block can be fixedly connected to the spindle assembly 2 and the machining platform 3.

[0057] In a specific embodiment, the machine tool 1 is provided with a first limiting piece 70 and a second limiting piece 80, the first limiting piece 70 is located on the moving path of the spindle assembly 2 and can limit the moving endpoint of the spindle assembly 2, and the second limiting piece 80 is located on the moving path of the machining platform 3 and can limit the moving endpoint of the machining platform 3.

[0058] It is worth mentioning that the driving piece 42 for driving the machining platform 3 and the spindle assembly 2 to move can be a motor, preferably a linear motor, the linear motor has a mover and a stator, the stator can be installed on the machine tool 1, and the mover can be installed on the structure that needs to move, such as the machining platform 3 and the spindle assembly 2.

[0059] In a specific embodiment, the spindle assembly 2 includes a machining seat 21 connected to the machine tool 1, the machining seat 21 is movably connected to the slide rail through a slide block, and the stator is connected to the machining seat 21. Through the cooperation of the mover and the stator, the machining seat 21 can be driven to move in a predetermined direction.

[0060] The machining seat 21 is provided with a tool changing mechanism 22 and a machining shaft 23, the tool changing mechanism 22 and the machining shaft 23 are structures for clamping tools in the prior art, both of which are provided with a liftable clamping structure, and the tool can be clamped by lifting the clamping structure. More specific structure and principle please refer to the prior art, which will not be repeated here.

[0061] The cooperation of the tool changing mechanism 22 and the machining shaft 23 can unload the tool on the machining platform 3 and install the tool on the tool disc 46 to the corresponding position of the machining platform 3.

[0062] Specifically, when the tool on the tool mounting position needs to be unloaded, the machining shaft 23 is used to disassemble the tool on the machining platform 3 corresponding to the tool mounting position (tool unloading operation), and by driving the machining platform 3 and the machining seat 21 to move, the transfer tool storage member 312 can be moved to be located directly below the machining shaft 23. At this time, the machining shaft 23 can place the disassembled tool on the transfer tool storage member 312 for temporary storage, and then move the tool changing mechanism 22 to the position of the transfer tool storage member 312 to clamp the temporarily stored replacement tool to the predetermined placement position.

[0063] When the tool is replaced in the tool mounting position after the tool is retracted, the tool head 46 can be moved to be directly below the tool changing mechanism 22 by driving the machining platform 3 and the machining seat 21 to move, at this time the tool on the tool head 46 is clamped by the tool changing mechanism 22, then the transfer tool storage member 312 is moved to be directly below the tool changing mechanism 22 by driving the machining platform 3 and the machining seat 21 to move, the tool changing mechanism 22 can put the clamped tool to the transfer tool storage member 312 for temporary storage, then the machining shaft 23 is moved to the position of the transfer tool storage member 312 to clamp the tool on the transfer tool storage member 312, finally the machining platform 3 and the machining seat 21 are driven to move, and the machining shaft 23 is moved to the tool mounting position to install the tool.

[0064] It is worth mentioning that a plurality of spindle assemblies 2 and a plurality of machining platforms 3 can be arranged on the machine tool 1, and each machining platform 3 is provided with at least one tool magazine 4, and each machining shaft 23 can change the tool with the corresponding tool magazine 4.

[0065] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0066] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation to the patent application range. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection range of the present application. Therefore, the protection range of the present application patent should be subject to the appended claims.

Claims

1. An automatic tool changer for a PCB processing device, characterized in that, The tool magazine comprises: a tool holder rotatably arranged on the PCB processing device, the tool holder being provided with a plurality of mounting surfaces along a rotation direction, and at least one tool disc being mounted on each of the mounting surfaces, and the PCB processing device being capable of changing the tool on the tool disc corresponding to any of the mounting surfaces.

2. The knife magazine according to claim 1, characterized in that The PCB processing device comprises a processing platform, and the tool magazine further comprises a rotating shaft, the tool holder being rotatably connected to the processing platform through the rotating shaft, and the tool disc being detachably mounted on the corresponding mounting surface.

3. The knife magazine according to claim 1 or 2, characterized in that A plurality of tool discs are mounted on each of the mounting surfaces, and the tool discs are mounted on the mounting surfaces along a first direction, and a plurality of tool cutters are mounted on the tool discs.

4. The knife magazine of claim 2, wherein, First and second supports are arranged at one end of the processing platform along a second direction, and opposite ends of the tool holder are rotatably connected to the first and second supports, respectively, and the tool holder is arranged at intervals on the processing platform.

5. The knife magazine of claim 4, wherein, The opposite ends of the tool holder are provided with outer protrusions, and the first and second supports are connected to the outer protrusions through bearings, respectively, and the rotating shaft is connected to the outer protrusions at both ends, respectively, and the second support is further provided with a driving member, and an output end of the driving member is connected to the rotating shaft. The outer protrusion has a protruding shoulder, and a retainer ring is connected to the outer protrusion at intervals with the shoulder, and the bearing can be clamped between the shoulder and the retainer ring.

6. The knife magazine of claim 5, wherein, The second support comprises a connecting plate and first and second mounting plates arranged at intervals on the connecting plate, the connecting plate being fixedly connected to the processing platform, the outer protrusion being rotatably connected to the first mounting plate through a bearing, and the driving member being fixedly connected to the second mounting plate.

7. The knife magazine of claim 3, wherein, The rotating shaft is arranged in the middle of the tool holder along the first direction, and the cross section of the tool holder perpendicular to the first direction has a regular polygonal shape.

8. A PCB processing apparatus characterized by comprising: The tool magazine comprises: a machine tool; a spindle assembly movably connected to the machine tool, the spindle assembly comprising a tool changing mechanism and a processing shaft connected to each other; the processing platform movably connected to the machine tool; and the tool magazine according to any one of claims 1-7, and the tool changing mechanism being capable of driving the tool cutter on any one of the tool discs to move between the tool disc and the processing shaft.

9. The PCB processing apparatus of claim 8, wherein, The PCB processing device further comprises a transfer seat connected to the processing platform and arranged at intervals with the tool magazine, the transfer seat comprising a transfer mounting member connected to the processing platform and a transfer tool storage member connected to the transfer mounting member, the tool changing mechanism being capable of driving the tool cutter on any one of the tool discs to move between the tool disc and the transfer tool storage member, and the processing shaft being capable of moving to a position opposite to the transfer tool storage member and changing the tool.

10. The PCB processing apparatus of claim 9, wherein, The machine tool is provided with a plurality of spindle assemblies and a plurality of processing platforms, at least one tool magazine is arranged on each of the processing platforms, and each of the processing shafts is capable of changing the tool with the corresponding tool magazine.

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