CN216829871U - Snatch mechanism and PCB processing equipment - Google Patents

Abstract

The utility model relates to a processing machinery technical field specifically discloses a snatch mechanism and PCB processing equipment, and this PCB processing equipment includes lathe bed, workstation, switching mechanism, snatchs mechanism and pivot mechanism, and the workstation slides along the second direction and sets up on the lathe bed, and pivot mechanism slides along the first direction and sets up in the lathe bed and along the third direction interval with the workstation, and pivot mechanism includes the main shaft, and the main shaft slides along the third direction. The switching mechanism comprises a workpiece seat and a switching module, the switching mechanism is arranged on the workbench, the grabbing mechanism is arranged on the workbench in a sliding mode along a first direction, and the grabbing mechanism is used for waiting for the installation part to be transferred between the workpiece seat and the switching module. The installation piece will be treated to the main shaft in-process, no matter the manipulator will treat the installation piece from the work piece seat put to the switching module, still the manipulator will change the installation piece from the switching module put to the work piece seat, pivot mechanism all need not stop work, consequently, should snatch the machining efficiency that the mechanism has promoted PCB processing equipment.

Description

Snatch mechanism and PCB processing equipment

Technical Field

The utility model relates to a processing machinery technical field especially relates to a snatch mechanism and PCB processing equipment.

Background

In the production process of the printed circuit board, in order to connect circuit layers and mount electronic components in the later period, a drilling machine is needed to drill holes on the PCB, and the PCB is milled and formed according to design requirements. In the drilling process, a drill bit connected with a main shaft on a drilling machine is utilized, and the drill bit falls to drill a hole with a required aperture on a PCB through the high-speed rotation of the main shaft. The edge milling process is to utilize a milling cutter connected with a main shaft on a forming machine, and the milling cutter mills the required appearance at the edge of the PCB plate through the high-speed rotation of the main shaft.

For example on a drilling machine, the gripping system 200 is used to change tools for the drilling system 100. The drilling system 100 and the grasping system 200 of the conventional PCB drill are not independent working systems. As shown in fig. 1, since the drilling system 100 and the gripping system 200 are fixed together, when a tool needs to be replaced, the drilling system 100 stops working, the gripping system 100 grips the tool from the magazine of the tool changing system 300 and places the tool on the first transit bed of the tool changing system 300, the drilling system 100 places the replaced old tool on the second transit bed, and then installs a new tool on the drilling system 100 from the first transit bed. Finally, the gripper system 200 places the old tool in the magazine and the drilling system 100 can begin operation.

In the tool changing process of the traditional structure, the drilling system 100 and the grabbing system 200 are fixedly connected together, the drilling system 100 needs to stop working in the whole process, and drilling can be continued after the grabbing system 200 finishes working, and the tool changing action occupies a large amount of real drilling time of equipment, so that the drilling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a snatch mechanism and PCB processing equipment to solve among the prior art when tool changing or mounting pin to the main shaft, need the whole stop work of main shaft, and then influence the problem of equipment machining efficiency.

On one hand, the utility model provides a grabbing mechanism, which is arranged on PCB processing equipment, wherein the PCB processing equipment comprises a workbench; the grabbing mechanism comprises a support and a manipulator, the support is connected with the workbench in a sliding mode along a first direction, the manipulator is connected with the support in a sliding mode along a second direction, and the first direction is perpendicular to the second direction.

As a preferable technical scheme of the grabbing mechanism, the manipulator is opposite to the workbench along a third direction and can move along the third direction, and the first direction, the second direction and the third direction are pairwise perpendicular.

As a preferred embodiment of the grasping mechanism, the holder includes a first portion extending in the second direction and a second portion extending in the third direction;

the first part is connected with the mechanical arm in a sliding mode, and the second part is connected with the workbench in a sliding mode.

As a preferable technical solution of the grasping mechanism, the grasping mechanism further includes a first driving assembly, and the first driving assembly is configured to drive the second portion to slide along the first direction.

As a preferable technical solution of the gripping mechanism, the gripping mechanism further includes a second driving assembly, and the second driving assembly is configured to drive the manipulator to slide on the first portion along the second direction.

As a preferable technical solution of the grasping mechanism, the manipulator includes a third driving assembly and a grasping member, and the third driving assembly is disposed on the first portion and is configured to drive the grasping member to slide along the third direction.

On the other hand, the utility model provides a PCB processing device, including any one of the above-mentioned snatching mechanism, still include lathe bed, pivot mechanism and switching mechanism, the workstation along the second direction slide set up in the lathe bed, the pivot mechanism along the first direction slide set up in the lathe bed and with the workstation along the third direction interval set up, the pivot mechanism includes the main shaft, the main shaft can be followed the third direction removal; the switching mechanism comprises a workpiece seat, the workpiece seat is arranged on the workbench, and the grabbing mechanism is used for grabbing the to-be-installed parts in the workpiece seat.

As a preferred technical solution of the PCB processing apparatus, the PCB processing apparatus further includes a position detection device for detecting a position of the manipulator.

As the optimal technical scheme of the PCB processing equipment, the position detection device comprises an optical ruler, the optical ruler is arranged on the workbench and the bracket, and the optical ruler is used for indicating the current position of the manipulator.

As a preferred technical scheme of the PCB processing apparatus, the workpiece seat includes a magazine assembly for placing a tool and/or a pin box for placing a pin, the switching mechanism further includes a switching module, the switching module includes a fixing seat and a detector, and the grasping mechanism is further configured to transfer the tool between the magazine assembly and the fixing seat.

As the preferable technical scheme of the PCB processing equipment, the grabbing mechanism is provided with a plurality of grabbing mechanisms.

The utility model has the advantages that:

1. the utility model provides a snatch mechanism and PCB processing equipment, should snatch mechanism and PCB processing equipment include mutually independent operation's pivot mechanism and snatch the mechanism, pivot mechanism is when carrying out the processing operation, it will treat in step that the installed part snatchs to put at preset position to snatch the mechanism, pivot mechanism is when needing to be changed or use to treat the installed part, direct motion to preset the position snatch the use can to, thereby pivot mechanism need not to stop along with snatching the mechanism motion, the vacant latency of pivot mechanism has been reduced, consequently, PCB processing equipment's machining efficiency has been promoted. If when pivot mechanism needs the tool changing, snatch the manipulator of mechanism and snatch the cutter that the work piece seat sent to the switching module on, then pivot mechanism stop work, the workstation will switch the module and send to preset position, at this moment, pivot mechanism alright installation cutter, the back of having installed, pivot mechanism alright carry out work again, at whole tool changing in-process, the manipulator will treat the installed part and put to the switching module from the work piece seat, pivot mechanism need not stop work.

2. The utility model discloses to snatch mechanism and pivot mechanism separation setting, reduced the degree of difficulty of parts machining and complete machine assembly, improved the positioning accuracy of tool changing system, guaranteed the accuracy that the cutter snatched, reduced the unusual probability of tool changing.

Drawings

FIG. 1 is a schematic structural diagram of a PCB processing apparatus in the prior art;

fig. 2 is a schematic structural diagram of a PCB processing apparatus in an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a partially enlarged view of C in fig. 2.

In the figure:

100. a drilling system; 200. a grasping system; 300. a tool changing system;

x, a first direction; y, a second direction; z, a third direction;

1. a bed body; 2. a work table;

3. a rotating shaft mechanism; 31. a main shaft; 32. a base plate; 33. a drive member; 34. a main shaft seat; 35. a clip cover;

4. a switching mechanism; 41. a workpiece seat; 421. a first fixed seat; 422. a second fixed seat; 423. a detector; 424. a cleaner;

51. a support; 511. a first portion; 512. a second portion; 52. a manipulator; 521. a third drive assembly; 522. grasping the part; 53. a first drive assembly; 54. a second drive assembly; 6. a cross member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, since the drilling system 100 and the grasping system 200 are fixedly connected in the conventional PCB drilling machine, when a tool needs to be replaced, the drilling system 100 stops working, the grasping system 100 grasps the tool from the tool holder 41 of the tool changing system 300 and places the tool on the first transit tool seat of the tool changing system 300, the drilling system 100 places the replaced old tool on the second transit tool seat, and then installs the new tool on the drilling system 100 from the first transit tool seat. Finally, the gripper system 200 places the old tool in the workpiece holder 41, and the drilling system 100 can then begin operation.

In the tool changing process of the traditional structure, the drilling system 100 and the grabbing system 200 are fixedly connected together, the drilling system 100 needs to stop working in the whole process, and drilling can be continued after the grabbing system 200 finishes working, and the tool changing action occupies a large amount of real drilling time of equipment, so that the drilling efficiency is low.

As shown in fig. 2, a first direction X, a second direction Y, and a third direction Z are preset in the present embodiment, and the first direction X, the second direction Y, and the third direction Z are perpendicular to each other. Specifically, the first direction X is a length direction of the bed 1, the second direction Y is a width direction of the bed 1, and the third direction Z is a height direction of the bed 1.

For solving the problem that the equipment shown in fig. 1 exists, as shown in fig. 2-5, the embodiment provides a PCB processing equipment, including lathe bed 1, workstation 2, switching mechanism 4, snatch mechanism and pivot mechanism 3, workstation 2 slides along second direction Y and sets up on lathe bed 1, pivot mechanism 3 slides along first direction X and sets up in lathe bed 1 and with workstation 2 along third direction Z interval setting, pivot mechanism 3 includes main shaft 31, main shaft 31 can slide along third direction Z. Switching mechanism 4 includes work piece seat 41 and switching module, switching mechanism 4 sets up on workstation 2, it sets up in workstation 2 to snatch the mechanism and slide along first direction X, workstation 2 drives and snatchs the mechanism and slide along the second direction is synchronous, it is used for snatching the installed part of treating in the work piece seat 41 to snatch the mechanism, can be with treating that the installed part snatchs outside work piece seat 41 from work piece seat 41, or snatch outside work piece seat 41 from work piece seat 41, or arrange in work piece seat 41 and put treating the installed part, or shift between work piece seat 41 and switching module spare. Specifically, the workpiece holder 41 includes a magazine assembly for placing tools and/or a pin box for placing pins, and the to-be-mounted member is a tool or a pin.

As shown in fig. 2, in order to enable the spindle mechanism 3 to be slidably connected with the bed 1 along the first direction X, optionally, the PCB processing apparatus further includes a beam 6, the beam 6 is disposed at an interval with the bed 1, and the spindle mechanism 3 is slidably engaged with the beam 6 along the first direction X. In this embodiment, one of the sliding rails is disposed between the rotating shaft mechanism 3 and the cross beam 6, and the other sliding rail is disposed with a sliding groove, the sliding rails and the sliding grooves are in sliding fit, and the driver drives the rotating shaft mechanism 3 to slide on the cross beam 6.

Optionally, the rotating shaft mechanisms 3 are provided in plurality, the switching modules are provided in plurality, and the plurality of switching modules and the plurality of rotating shaft mechanisms 3 correspond to each other one to one. In this embodiment, the plurality of switching modules and the plurality of rotating shaft mechanisms 3 correspond to each other one to one. When a plurality of rotating shaft mechanisms 3 are used for tool changing simultaneously, each switching module corresponds to one rotating shaft mechanism 3, so that the processing efficiency and the tool changing efficiency of the PCB processing equipment can be improved.

Optionally, one switching module corresponds to one workpiece seat 41. In this embodiment, in order to improve the tool changing efficiency, the problem that part of the switching mechanism 3 needs to wait when a plurality of spindle mechanisms 3 are changing tools simultaneously is prevented, and therefore, one switching module corresponds to one workpiece seat 41. In other embodiments, there may be a plurality of switching modules corresponding to one workpiece seat 41.

Alternatively, 1 or more gripping mechanisms may be provided. In this embodiment, the number of the gripping mechanisms is 1, and 1 gripping mechanism is movable to the corresponding position of all the workpiece seats 41. In other embodiments, the number of the grabbing mechanisms may also be multiple, specifically, two switching modules correspond to one grabbing mechanism, or three switching modules correspond to one grabbing mechanism, or four switching modules correspond to one grabbing mechanism. The number of the specific grabbing mechanisms is determined according to the number of the rotating shaft mechanisms 3 and the frequency of tool changing.

As shown in fig. 3, optionally, the rotating shaft mechanism 3 further includes a bottom plate 32, a driving member 33, a spindle seat 34, and a clamping cover 35 in addition to the spindle 31, the bottom plate 32 is slidably connected to the cross beam 6 along the first direction X, the spindle seat 34 is slidably connected to the bottom plate 32 along the third direction Z, the spindle 31 is disposed on the spindle seat 34, the clamping cover 35 fixes the spindle 31 to the spindle seat 34, and the driving member 33 drives the spindle seat 34 to slide along the third direction Z.

As shown in fig. 4, optionally, the switching module includes a fixing seat, and the fixing seat includes a first fixing seat 421 and a second fixing seat 422. In the embodiment, in the process of tool changing, one fixing seat can be used for placing a new tool, and the other fixing seat can be used for placing an old replaced tool. In other embodiments, 3 fixing seats, 4 fixing seats, 5 fixing seats and the like can be arranged. In addition, the switching module further comprises a detector 423 and a cleaner 424, the cleaner 424 cleans the replaced tool, specifically, the cleaner 424 is a blowing structure, and the blowing structure removes dust and debris on the surface of the replaced tool. In other embodiments, cleaner 424 may be a brush arrangement that removes dust and debris from the surface of the tool. The detector 423 detects the diameter of the cutter edge through laser to judge whether the cutter needs to be polished and whether the replaced cutter meets the standard.

As shown in fig. 5, optionally, the gripping mechanism includes a bracket 51 and a robot arm 52, the bracket 51 includes a first portion 511 and a second portion 512, the first portion 511 extends along the second direction Y, the second portion 512 extends along the third direction Z, and the first portion 511 and the second portion 512 form an L-shaped structure.

The second portion 512 is slidably connected to the table 2. The first drive assembly 53 drives the second portion 512 to slide on the table 2. In this embodiment, specifically, the first driving assembly 53 includes a first slide rail, a first slide block and a first driving member, the first slide rail and the first slide block are slidably engaged along the first direction X and are disposed one on the second portion 512 and the other on the working platform 2, and the first driving member drives the second portion 512 to move along the first direction X. The switching module is disposed on an end surface of the worktable 2, in an alternative embodiment, the first driving assembly 53 is disposed at a side wall of one end of the worktable 2, and the first driving assembly 53 may adopt a screw driving module, a rack and pinion driving or a linear motor.

The first portion 511 is slidably coupled to the robot 52, and the second driving unit 54 drives the robot 52 to slide on the first portion 511. In this embodiment, specifically, the second driving assembly 54 includes a second slide rail, a second slide block and a second driving element, the second slide rail and the second slide block are slidably engaged along the second direction Y, one of the second slide rail and the second slide block is disposed on the first portion 511, the other is disposed on the robot arm 52, and the second driving assembly 54 drives the robot arm 52 to move along the second direction Y. The second driving component 54 can be a lead screw driving module, a rack and pinion driving module, or a linear motor.

Optionally, the robot arm 52 includes a third driving assembly 521 and a grabbing member 522, and the third driving assembly 521 is disposed on the bracket 51 and is used for driving the grabbing member 522 to slide along the third direction Z. In this embodiment, the third driving assembly 521 is a dual-rod cylinder. The grasping element 522 is a grasping cylinder (e.g., a pneumatic gripper) that can be used to grasp tools, pins, etc.

Optionally, the gripping mechanism further comprises position detection means for detecting the position of the robot arm 52. In the present embodiment, the specific position of the robot arm 52 is determined by the position detection device. Specifically, the position detecting means includes optical scales which are respectively provided on the table 2 and the support 51, one optical scale being provided on the first portion 511 of the support 51 in the first direction and being used to detect the sliding distance of the robot arm 52 in the second direction Y. The other optical scale is disposed on the table 2 along the first direction X, and is configured to detect a sliding distance of the bracket 51 along the first direction X. (i.e., two optical rules may detect the position of the robot arm 52 on the table 2).

Alternatively, the PCB processing apparatus may be a drilling apparatus or a forming apparatus, etc.

The tool changing process of the PCB processing equipment is as follows:

when the spindle 31 needs to exchange tools, the grabbing mechanism moves a tool to be exchanged from the workpiece seat 41 to the first fixing seat 421 on the switching module in advance, then the spindle 31 stops rotating, the workbench 2 moves the switching module to a preset position along the second direction Y, the spindle mechanism 3 moves to the second fixing seat 422 on the switching module along the first direction X, then the spindle 31 moves to the direction close to the second fixing seat 422 along the third direction Z, and inserts the tool to be exchanged into the second fixing seat 422, then the spindle 31 moves to the direction far from the second fixing seat 422 along the third direction Z, the spindle mechanism 3 moves to the first fixing seat 421 along the first direction X, then the spindle 31 moves to the direction close to the first fixing seat 421 along the third direction Z, after the tool to be exchanged is fixed to the spindle 31, (the spindle 31 moves to the direction far from the first fixing seat 421 along the third direction Z) the workbench 2 and the spindle mechanism 3 move simultaneously, the spindle 31 and the workbench 2 are moved to the position before the rotating shaft mechanism 3 is stopped, the rotating shaft mechanism 3 is restarted, and the PCB is processed. At the same time, the grabbing mechanism moves the tool replaced in the second fixing seat 422 to the workpiece seat 41. In the whole tool changing process, no matter the grabbing mechanism puts the tool to be changed into the switching module from the workpiece seat 41, or the grabbing mechanism puts the tool to be changed into the workpiece seat 41 from the switching module, the rotating shaft mechanism 3 does not need to stop working, and therefore the grabbing mechanism improves the processing efficiency of the PCB processing equipment.

When PCB processing equipment is former, the surface of workstation 2 still is equipped with the pin box, snatchs the mechanism and can put the pin that needs to the preset position in the box in advance, and the automatic device of beating the pin that links with the main shaft can snatch the pin and plant on the circuit board at preset position fast, reduces the time of planting the pin on the circuit board.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (11)

1. A grabbing mechanism is arranged on PCB processing equipment, and the PCB processing equipment comprises a workbench (2);

characterized in that the gripping mechanism comprises a support (51) and a manipulator (52), the support (51) being configured to be slidably connected to the table (2) along a first direction (X), the manipulator (52) being slidably connected to the support (51) along a second direction (Y), the first direction (X) being perpendicular to the second direction (Y).

2. The gripping mechanism according to claim 1, characterized in that the manipulator (52) is opposite to the table (2) and movable along a third direction (Z), the first direction (X), the second direction (Y) and the third direction (Z) being perpendicular two by two.

3. The gripping mechanism according to claim 2, wherein the carriage (51) comprises a first portion (511) and a second portion (512), the first portion (511) extending in the second direction (Y), the second portion (512) extending in the third direction (Z);

the first part (511) is slidably connected to the robot arm (52), and the second part (512) is slidably connected to the table (2).

4. The gripping mechanism according to claim 3, further comprising a first driving assembly (53), the first driving assembly (53) being configured to drive the second portion (512) to slide along the first direction (X).

5. The gripping mechanism according to claim 3, further comprising a second drive assembly (54), the second drive assembly (54) being configured to drive the robot (52) to slide on the first portion (511) along the second direction (Y).

6. The gripping mechanism according to claim 3, characterized in that the manipulator (52) comprises a third driving assembly (521) and a gripping member (522), the third driving assembly (521) being provided to the first portion (511) and being configured to drive the gripping member (522) to slide along the third direction (Z).

7. A PCB processing apparatus, comprising the grabbing mechanism of any one of claims 1 to 6, further comprising a bed (1), a rotating shaft mechanism (3) and a switching mechanism (4), wherein the worktable (2) is slidably disposed on the bed (1) along the second direction (Y), the rotating shaft mechanism (3) is slidably disposed on the bed (1) along the first direction (X) and is spaced apart from the worktable (2) along a third direction (Z), the rotating shaft mechanism (3) comprises a main shaft (31), and the main shaft (31) can move along the third direction (Z); switching mechanism (4) are including work piece seat (41), work piece seat (41) are located workstation (2), it is used for snatching to snatch the mechanism the installed part of treating in work piece seat (41).

8. The PCB processing apparatus of claim 7, further comprising a position detection device for detecting a position of the robot arm (52).

9. The PCB processing apparatus according to claim 8, wherein the position detecting means includes an optical ruler provided on the work table (2) and the bracket (51), the optical ruler being used to indicate a current position of the robot arm (52).

10. The PCB processing apparatus of claim 7, wherein the workpiece holder (41) comprises a magazine assembly for placing tools and/or a pin magazine for placing pins, and the switching mechanism (4) further comprises a switching module comprising a holder and a detector (423), and the gripping mechanism is further configured to transfer the tools between the magazine assembly and the holder.

11. The PCB processing apparatus of claim 7, wherein the gripping mechanism is provided in plurality.

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