Desktop type three-axis control system

Abstract

The utility model relates to the field of automation equipment, in particular to a desktop type three-axis control system which comprises a machine base, a portal frame is fixedly installed on the machine base, a machining table is installed on the machine base in a sliding mode, and a tail end mechanism on the portal frame is erected above the machining table. An X-axis executing mechanism is fixedly installed on the machine base, and the machining table is detachably installed at the driving end of the X-axis executing mechanism. The trigger module is installed on the machine base and used for outputting a trigger signal when the X-axis executing mechanism drives the machining table to reset; and the detection module is installed on the portal frame, erected above the machining table, in signal connection with the signal output end of the trigger module and used for receiving the trigger signal and detecting the machining quality of the workpiece. The stability of the desktop type three-axis control system can be improved, and the machining quality of the workpiece can be automatically detected.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automation equipment, in particular to a desktop three-axis control system. BACKGROUND

[0002] The desktop three-axis motion platform is widely used in various high-precision full-automatic dispensing, soldering, screwing, auxiliary material pasting, marking and CC detection scenes. It combines high precision, high speed and high consistency of the motion control system, and stable and reliable software to program the motion path simply and conveniently, meeting the application requirements of different products and different processes.

[0003] In the prior art, a common desktop three-axis control system usually includes an end mechanism, a three-axis part and an electrical part. The end mechanism is an execution mechanism for production and processing, the three-axis part is an execution mechanism for movement in X, Y and Z directions, and the electrical part is a control structure for three-axis movement. Among them, the common desktop three-axis control system mainly includes a machine base, a gantry slidably installed on the machine base, and a mounting seat slidably installed on the gantry. The mounting seat is driven to slide by a Y-axis execution mechanism installed on the gantry. A connecting seat for mounting the end mechanism is slidably installed on the mounting seat, and the connecting seat and the end mechanism are driven to slide by a Z-axis execution mechanism installed on the mounting seat. An X-axis execution mechanism installed on the machine base drives the gantry to slide on the machine base. In the actual production and processing process, the X-axis execution mechanism, the Y-axis execution mechanism and the Z-axis execution mechanism drive the end mechanism to move along the preset moving track according to the control instructions output by the motion controller, and complete the processing procedure.

[0004] However, the common desktop three-axis control system mainly drives the gantry to move through the X-axis execution mechanism, and the center of gravity of the gantry is relatively high. The stability of the gantry moving through the X-axis execution mechanism is low, and the existing desktop three-axis control system cannot detect the processing quality during processing, which needs to be improved. SUMMARY

[0005] In order to improve the stability of the desktop three-axis control system and automatically detect the processing quality of the workpiece, the present application provides a desktop three-axis control system.

[0006] The desktop three-axis control system provided by the present application adopts the following technical scheme:

[0007] A desktop three-axis control system, comprising a machine base, a gantry fixedly installed on the machine base, and a processing table slidably installed on the machine base, wherein the end mechanism on the gantry is arranged above the processing table.

[0008] An X-axis execution mechanism is fixedly installed on the machine base, and the processing table is detachably installed on the driving end of the X-axis execution mechanism; and

[0009] A trigger module is installed on the base and used to output a trigger signal when the X-axis actuator drives the machining table to reset;

[0010] A detection module is installed on the gantry, arranged above the machining table, and connected with the signal output end of the trigger module, used to receive the trigger signal and detect the machining quality of the workpiece.

[0011] By using the above technical scheme, in the actual production and processing process, the operator places the workpiece to be processed on the machining table, and the X-axis actuator, Y-axis actuator and Z-axis actuator drive the machining table and the end mechanism to move to complete the machining process of the workpiece. The X-axis actuator is located at the bottom of the gantry, the X-axis actuator driving the machining table to move is located below the gantry, and the machining table can be driven to move along the X-axis direction by driving the machining table to move, and the center of gravity of the machining table is low, the gantry does not move during processing, which can improve the stability of the three-axis control system. In addition, when the workpiece is processed and the machining table is reset, the trigger module outputs a trigger signal, and the detection module receives the trigger signal, collects image data of the upper surface of the workpiece and compares it, which can automatically detect the machining quality of the workpiece.

[0012] Preferably, two parallel guide rails are fixedly installed on the base, and the two guide rails are located on both sides of the X-axis actuator.

[0013] Two connecting blocks are respectively slidably installed on the two guide rails, and the machining table is bolted to the two connecting blocks.

[0014] By using the above technical scheme, the connecting blocks are slidably connected between the guide rails on the base and the connecting blocks installed at the bottom of the machining table, which can achieve the technical effect of slidably connecting the machining table and the base.

[0015] Preferably, a sliding groove adapted to the guide rail is formed in the connecting block, anti-disengagement grooves are respectively formed on both sides of the guide rail, and anti-disengagement portions are respectively inwardly extended at the notches of the sliding grooves and embedded in the anti-disengagement grooves.

[0016] By using the above technical scheme, the anti-disengagement grooves and the anti-disengagement portions are matched and used with each other, which can reduce the disengagement of the connecting blocks from the guide rails in the vertical direction, and can improve the stability of the sliding of the machining table.

[0017] Preferably, the X-axis actuator comprises a servo motor, a lead screw is rotatably installed on the base, and the driving shaft end of the servo motor is connected with the lead screw through a shaft coupling.

[0018] The slide table is threadedly connected to the screw rod, and the machining table is detachably installed on the slide table through bolts.

[0019] By adopting the above technical scheme, the servo motor is connected to the screw rod through the shaft coupling, the servo motor drives the slide table threadedly connected to the screw rod to slide by driving the screw rod to rotate in different directions, and the technical effect of driving the machining table to slide is achieved.

[0020] Preferably, the first mounting plate and the second mounting plate are fixedly installed on the machine base, and the two ends of the screw rod are rotatably installed on the first mounting plate and the second mounting plate, respectively.

[0021] The guide mechanism includes a guide plate, the two ends of the guide plate are fixedly connected to the top of the first mounting plate and the second mounting plate, respectively, a guide groove is formed in the slide table, and the guide plate is located in the guide groove.

[0022] By adopting the above technical scheme, during the process that the servo motor drives the slide table and the machining table to slide by driving the screw rod to rotate, the guide plate limits the sliding track of the slide table, so that the slide table and the machining table slide along the axial direction of the guide plate, and the stability of the slide table and the machining table is improved.

[0023] Preferably, the trigger module includes:

[0024] An infrared emission end is fixedly installed at the bottom of the machining table.

[0025] An infrared receiving end is fixedly installed on the machine base, and is configured to receive infrared rays emitted by the infrared emission end and output a high-level signal.

[0026] A single-chip microcomputer is signal-connected to the signal output end of the infrared receiving end, and is configured to output the trigger signal when receiving two high-level signals.

[0027] By adopting the above technical scheme, when the machining starts, the servo motor drives the machining table to slide and makes the machining table slide out from the gantry, the infrared emission end slides past the infrared receiving end, and the infrared receiving end outputs a first high-level signal; when the machining is completed, the servo motor drives the machining table to reset, the infrared emission end passes the infrared receiving end again, the infrared receiving end outputs a second high-level signal, and the single-chip microcomputer outputs the trigger signal after receiving the two high-level signals.

[0028] Preferably, the detection module includes:

[0029] A camera is fixedly installed on the gantry and arranged above the machining table, and a signal input end of the camera is connected with a signal output end of the single-chip microcomputer to receive the trigger signal and collect the workpiece image and output workpiece image data.

[0030] A data processor is connected with a data output end of the camera to receive the workpiece image data and compare the workpiece image data with a preset image, and output a prompt signal when the workpiece image data is greatly different from the preset image.

[0031] A buzzer is fixedly installed on the gantry, and a signal input end of the buzzer is connected with a signal output end of the data processor to receive the prompt signal and output a prompt sound.

[0032] By using the above technical scheme, the camera receives the trigger signal to collect the image data of the upper surface of the workpiece, the data processor compares the image of the workpiece after machining with a preset standard pattern, and judges the machining effect of the workpiece by image comparison, when the image data of the workpiece is greatly different from the preset standard pattern, the data processor outputs a prompt signal, and the buzzer receives the prompt signal to output a prompt sound, prompting the on-site operator that the machining quality of the workpiece is not up to standard, so that the technical effect of automatically detecting the machining quality of the workpiece is achieved, manual detection of the machining quality of the workpiece is avoided, and the efficiency of detecting the machining quality of the workpiece is improved.

[0033] In summary, the desktop three-axis control system has the following beneficial technical effects:

[0034] 1. The X-axis actuator is located at the bottom of the gantry, the X-axis actuator driving the movement of the machining table is located below the gantry, the movement of the workpiece along the X-axis direction is driven by driving the movement of the machining table, the center of gravity of the machining table is low, the gantry does not move during machining, and the stability of the three-axis control system is improved.

[0035] 2, at the beginning of processing, the servo motor drives the processing table to slide, so that the processing table slides out from the gantry, the infrared transmitting end slides through the infrared receiving end, and the infrared receiving end outputs a first high level signal; when the processing is completed, the servo motor drives the processing table to reset, the infrared transmitting end passes through the infrared receiving end again, and the infrared receiving end outputs a second high level signal, the single-chip microcomputer outputs a trigger signal after receiving the two high level signals; the camera receives the trigger signal to collect the image data of the upper surface of the workpiece, and the difference between the image of the workpiece after processing and the preset standard pattern can be compared through the data processor, the processing effect of the workpiece is judged through the image comparison mode, when the difference between the image data of the workpiece and the preset standard pattern is too large, the data processor outputs a prompt signal, and the buzzer receives the prompt signal and emits a prompt sound, prompting the on-site operator that the workpiece processing quality is not up to standard, so as to realize the technical effect of automatically detecting the workpiece processing quality, and the workpiece processing quality is detected without manual detection, and the efficiency of detecting the workpiece processing quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a schematic diagram for showing the overall structure of the desktop three-axis control system.

[0037] Figure 2 It is a schematic diagram for showing the connection structure between the connecting block and the guide rail.

[0038] Figure 3 It is a schematic diagram for showing the back structure of the desktop three-axis control system.

[0039] Figure 4 It is a schematic diagram for showing the position relationship between the infrared transmitting end and the infrared receiving end.

[0040] Mark for explanation: 1, machine base; 11, guide rail; 111, anti-falling groove; 12, connecting block; 121, sliding groove; 122, anti-falling part; 13, first mounting plate; 14, second mounting plate; 2, gantry; 3, X-axis execution mechanism; 31, servo motor; 32, screw; 33, sliding table; 331, guide groove; 34, guide plate; 4, processing table; 6, infrared transmitting end; 7, infrared receiving end; 8, camera; 9, buzzer. DETAILED DESCRIPTION

[0041] The following will be combined with the Figures 1-4 The application is further described in detail.

[0042] Embodiment

[0043] The embodiment of the application discloses a desktop three-axis control system. Referring to Figures 1-4It mainly comprises a base 1, a portal frame 2 fixedly installed on the base 1, a machining table 4 slidably installed on the base 1, and an end mechanism arranged above the machining table 4.

[0044] And a triggering module installed on the base 1 and used for outputting a triggering signal when the X-axis executing mechanism 3 drives the machining table 4 to reset, and a detection module installed on the portal frame 2 and arranged above the machining table 4 and connected with a signal output end of the triggering module and used for receiving the triggering signal and detecting the machining quality of the workpiece.

[0045] In actual production and machining process, an operator places a workpiece to be machined on the machining table 4, and the X-axis executing mechanism 3, the Y-axis executing mechanism and the Z-axis executing mechanism drive the machining table 4 and the end mechanism to move, so as to complete the machining process of the workpiece. The X-axis executing mechanism 3 is located at the bottom of the portal frame 2, the X-axis executing mechanism 3 driving the machining table 4 to move is located below the portal frame 2, the machining table 4 can drive the workpiece to move along the X-axis by driving the machining table 4 to move, the center of gravity of the machining table 4 is low, the portal frame 2 does not move in the machining process, and the stability of the three-axis control system can be improved. In addition, when the workpiece is machined and the machining table 4 is reset, the triggering module outputs a triggering signal, the detection module receives the triggering signal, collects image data of the upper surface of the workpiece and compares, and the machining quality of the workpiece can be detected automatically.

[0046] Referring to Figure 1 and Figure 2 , two parallel guide rails 11 are fixedly installed on the base 1 and located at two sides of the X-axis executing mechanism 3, two connecting blocks 12 are slidably installed on the two guide rails 11 respectively, and the machining table 4 is bolted on the two connecting blocks 12.

[0047] The connecting blocks 12 are slidably connected between the guide rails 11 on the base 1 and the connecting blocks 12 installed at the bottom of the machining table 4, so that the technical effect of the slidable connection between the machining table 4 and the base 1 can be achieved.

[0048] Referring to Figure 1 and Figure 2 , a sliding groove 121 matched with the guide rail 11 is formed in the connecting block 12, anti-disengagement grooves 111 are respectively formed at two sides of the guide rail 11, and anti-disengagement portions 122 are respectively arranged in the sliding groove 121 and inwardly extended, and the anti-disengagement portions 122 are embedded in the anti-disengagement grooves 111.

[0049] The anti-disengagement grooves 111 and the anti-disengagement portions 122 are matched and used, so that the situation that the connecting blocks 12 are disengaged from the guide rails 11 in the vertical direction can be reduced, and the stability of the sliding of the machining table 4 can be improved.

[0050] With reference to Figure 1 With reference to Figure 3 , the X-axis actuating mechanism 3 comprises a servo motor 31, a screw rod 32 is rotatably installed on the base 1, and the driving shaft end of the servo motor 31 is connected with the screw rod 32 through a shaft coupling; the screw rod 32 is threadedly connected with a sliding table 33, and the machining table 4 is detachably installed on the sliding table 33 through bolts; and the base 1 is fixedly installed with a guide mechanism for limiting the position of the sliding table 33.

[0051] The servo motor 31 is connected with the screw rod 32 through a shaft coupling, the servo motor 31 drives the sliding table 33 threadedly connected with the screw rod 32 to slide by driving the screw rod 32 to rotate in different directions, and the technical effect of driving the machining table 4 to slide can be achieved; and the guide mechanism can limit the sliding track of the machining table 4, and the stability of the machining table 4 in sliding is further improved.

[0052] With reference to Figure 1 , Figure 2 and Figure 3 , the base 1 is fixedly installed with a first mounting plate 13 and a second mounting plate 14, and the two ends of the screw rod 32 are rotatably installed on the first mounting plate 13 and the second mounting plate 14 respectively; the guide mechanism comprises a guide plate 34, the two ends of the guide plate 34 are fixedly connected with the top of the first mounting plate 13 and the second mounting plate 14 respectively, a guide groove 331 is formed in the sliding table 33, and the guide plate 34 is located in the guide groove 331.

[0053] During the process that the servo motor 31 drives the screw rod 32 to rotate to drive the sliding table 33 and the machining table 4 to slide, the guide plate 34 can limit the sliding track of the sliding table 33, so that the sliding table 33 and the machining table 4 slide along the axial direction of the guide plate 34, and the stability of the sliding table 33 and the machining table 4 in sliding is improved.

[0054] In the embodiment, the triggering module comprises: an infrared emitting end 6 fixedly installed on the bottom of the machining table 4; an infrared receiving end 7 fixedly installed on the base 1 and used for receiving infrared rays emitted by the infrared emitting end 6 and outputting a high-level signal; and a single-chip microcomputer, a signal input end of which is signal-connected with the signal output end of the infrared receiving end 7 and used for outputting a triggering signal when two high-level signals are received.

[0055] At the beginning of machining, the servo motor 31 drives the machining table 4 to slide and makes the machining table 4 slide out from the gantry 2, the infrared emitting end 6 slides past the infrared receiving end 7, and the infrared receiving end 7 outputs a first high-level signal; when the machining is completed, the servo motor 31 drives the machining table 4 to reset, the infrared emitting end 6 again slides past the infrared receiving end 7, the infrared receiving end 7 outputs a second high-level signal, and the single-chip microcomputer outputs a triggering signal after receiving the two high-level signals.

[0056] With reference to Figure 3The detection module comprises: a camera 8 fixedly installed on the gantry 2 and erected above the machining table 4, a signal input end in signal connection with a signal output end of the single-chip microcomputer, for receiving a trigger signal and collecting workpiece image data and outputting the workpiece image data; a data processor, a data input end in data connection with a data output end of the camera 8, for receiving the workpiece image data and comparison, and outputting a prompt signal when the workpiece image data is greatly different from a preset image; and a buzzer 9 fixedly installed on the gantry 2, a signal input end in signal connection with a signal output end of the data processor, for receiving the prompt signal and emitting a prompt sound.

[0057] The camera 8 receives the trigger signal to collect image data of the upper surface of the workpiece, and the data processor can compare the difference between the image of the workpiece after machining and the preset standard pattern, and judge the machining effect of the workpiece by image comparison. When the difference between the image data of the workpiece and the preset standard pattern is too large, the data processor outputs a prompt signal, and the buzzer 9 emits a prompt sound after receiving the prompt signal, prompting the on-site operator that the workpiece machining quality is not up to standard, so as to realize the technical effect of automatically detecting the workpiece machining quality, and improve the efficiency of detecting the workpiece machining quality.

[0058] It should be noted that, with reference to Figure 4 In the embodiment of the application, when the machining table 4 is reset, the infrared transmitting end 6 is more outward than the infrared receiving end 7. Before machining starts, the servo motor 31 drives the screw rod 32 to rotate to drive the machining table 4 to slide out from below the gantry 2. The infrared transmitting end 6 passes the infrared receiving end 7 for the first time, and the infrared receiving end 7 outputs a first high-level signal. When machining is completed, the servo motor 31 drives the screw rod 32 to rotate to drive the machining table 4 to reset. When the machining table 4 is completely reset, the infrared transmitting end 6 passes the infrared receiving end 7 for the second time. The single-chip microcomputer receives a second high-level signal to control the camera 8 to collect image data of the workpiece. The image data of the surface of the workpiece can be automatically collected after the workpiece is machined and the machining table 4 is reset, and the machining quality of the workpiece is automatically detected.

[0059] The implementation principle of the desktop three-axis control system in the embodiment of the application is as follows: the X-axis actuator 3 is located at the bottom of the gantry 2, the X-axis actuator 3 driving the movement of the machining table 4 is located below the gantry 2, the movement of the workpiece along the X-axis direction can be driven by driving the movement of the machining table 4, the center of gravity of the machining table 4 is relatively low, the gantry 2 does not move during the machining process, and the stability of the three-axis control system can be improved; at the beginning of the machining, the servo motor 31 drives the machining table 4 to slide, so that the machining table 4 slides out from the gantry 2, the infrared transmitting end 6 slides through the infrared receiving end 7, and the infrared receiving end 7 outputs a first high-level signal; when the machining is completed, the servo motor 31 drives the machining table 4 to reset, the infrared transmitting end 6 passes through the infrared receiving end 7 again, the infrared receiving end 7 outputs a second high-level signal, and the single-chip microcomputer outputs a trigger signal after receiving the two high-level signals; the camera 8 receives the trigger signal to collect the image data of the upper surface of the workpiece, the difference between the image after the machining of the workpiece and the preset standard pattern can be compared through the data processor, the machining effect of the workpiece is judged in the manner of image comparison, when the difference between the image data of the workpiece and the preset standard pattern is too large, the data processor outputs a prompt signal, the buzzer 9 receives the prompt signal and emits a prompt sound, prompting the on-site operator that the machining quality of the workpiece does not meet the standard, the technical effect of automatically detecting the machining quality of the workpiece can be achieved, manual detection of the machining quality of the workpiece is avoided, and the efficiency of detecting the machining quality of the workpiece is improved.

[0060] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A desktop tri-axial control system, characterized by, The machine base (1) is fixedly installed with a gantry (2), and a machining table (4) is slidingly installed on the machine base (1); the end mechanism of the gantry (2) is arranged above the machining table (4); The machine base (1) is fixedly installed with an X-axis executing mechanism (3), and the machining table (4) is detachably installed at the driving end of the X-axis executing mechanism (3); And: A triggering module is installed on the machine base (1) and used for outputting a triggering signal when the X-axis executing mechanism (3) drives the machining table (4) to reset; A detection module is installed on the gantry (2) and arranged above the machining table (4), and is signal-connected with the signal output end of the triggering module and used for receiving the triggering signal and detecting workpiece machining quality.

2. A desktop triaxial control system according to claim 1, wherein, The machine base (1) is fixedly installed with two parallel guide rails (11), and the two guide rails (11) are located on the two sides of the X-axis executing mechanism (3); Two connecting blocks (12) are slidingly installed on the two guide rails (11) respectively, and the machining table (4) is installed on the two connecting blocks (12) through bolts.

3. A desktop triaxial control system according to claim 2, wherein, A sliding groove (121) is formed in the connecting block (12) and matched with the guide rail (11), anti-disengagement grooves (111) are formed in the two sides of the guide rail (11), and anti-disengagement portions (122) are inwardly extended at the notches of the sliding grooves (121) respectively, and the anti-disengagement portions (122) are embedded in the anti-disengagement grooves (111).

4. A desktop triaxial control system according to claim 3, wherein, The X-axis executing mechanism (3) comprises a servo motor (31), a screw rod (32) is rotatably installed on the machine base (1), and the driving shaft end of the servo motor (31) is connected with the screw rod (32) through a shaft coupling; A sliding table (33) is threadedly connected with the screw rod (32), the machining table (4) is detachably installed on the sliding table (33) through bolts, and a guide mechanism for limiting the position of the sliding table (33) is fixedly installed on the machine base (1).

5. A desktop triaxial control system according to claim 4, wherein, First and second installation plates (13) and (14) are fixedly installed on the machine base (1), and the two ends of the screw rod (32) are rotatably installed on the first and second installation plates (13) and (14) respectively; The guide mechanism comprises a guide plate (34), the two ends of the guide plate (34) are fixedly connected with the top portions of the first and second installation plates (13) and (14) respectively, and a guide groove (331) is formed in the sliding table (33), and the guide plate (34) is located in the guide groove (331).

6. A desktop triaxial control system according to claim 5, wherein, The triggering module comprises: An infrared emitting end (6) is fixedly installed at the bottom of the machining table (4); An infrared receiving end (7) is fixedly installed on the machine base (1) and used for receiving infrared rays emitted through the infrared emitting end (6) and outputting a high-level signal; A single-chip microcomputer is signal-connected with the signal output end of the infrared receiving end (7) and used for outputting the triggering signal when the two high-level signals are received.

7. A desktop tri-axial control system according to claim 6, wherein, The detection module comprises: A camera (8) is fixedly installed on the gantry (2) and arranged above the machining table (4). The signal input end is in signal connection with the signal output end of the single-chip microcomputer. The camera (8) is used for receiving the trigger signal, collecting the workpiece image, and outputting the workpiece image data. A data processor is in data connection with the data output end of the camera (8). The data processor is used for receiving the workpiece image data, comparing, and outputting a prompt signal when the workpiece image data is greatly different from the preset image. A buzzer (9) is fixedly installed on the gantry (2). The signal input end of the buzzer (9) is in signal connection with the signal output end of the data processor. The buzzer (9) is used for receiving the prompt signal and emitting a prompt sound.

Images