Transfer system for digital production line

Abstract

The invention relates to a transfer system for a digital production line, belongs to the technical field of digital manufacturing, and solves the problem that the subsequent machining precision of workpieces is unstable easily due to low positioning precision of the workpieces during carrying and circulation in the existing digital production line. The device comprises a longitudinal moving unit, a transverse moving unit, a vertical moving unit, a grabbing unit, a preassembling unit and a loading positioning unit, the transverse moving unit is installed on the longitudinal moving unit, the vertical moving unit is installed on the transverse moving unit, the grabbing unit is installed on the vertical moving unit, and the grabbing unit is used for taking and placing workpieces; the loading and positioning unit is installed on the preassembling unit, a workpiece is installed on the preassembling unit through the loading and positioning unit, and meanwhile the workpiece is positioned and adjusted. The precision of follow-up circulation machining of the workpiece between different machine tools is improved, it is guaranteed that the machining precision of the workpiece is stable, and therefore the machining quality of the workpiece and the quality stability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of digital manufacturing, and in particular to a transfer system for a digital production line. Background Art

[0002] The digital production line transfer system is the core component for realizing product handling. The operation of the production line requires the use of a robot to transfer the workpiece between different processing machines. However, when the workpiece is transferred between different processing machines, the positioning accuracy of the workpiece zero point is not high, and the accuracy of the workpiece in subsequent processing cannot be guaranteed, resulting in unstable processing quality of the workpiece, which in turn affects product quality. Summary of the invention

[0003] In view of the above analysis, the present invention aims to provide a transfer system for a digital production line, so as to solve the problem that the positioning accuracy of the workpiece is not high during the transportation of the workpiece in the existing digital production line, which easily leads to unstable subsequent processing accuracy of the workpiece.

[0004] The purpose of the present invention is mainly achieved through the following technical solutions:

[0005] A transfer system for a digital production line, comprising a longitudinal moving unit, a transverse moving unit, a vertical moving unit, a gripping unit, a pre-installation unit and a loading and positioning unit, wherein the transverse moving unit is mounted on the longitudinal moving unit, the vertical moving unit is mounted on the transverse moving unit, the gripping unit is mounted on the vertical moving unit, the gripping unit is used to pick up and place workpieces, the longitudinal moving unit is used to drive the gripping unit to move longitudinally, the transverse moving unit is used to drive the gripping unit to move transversely, and the vertical moving unit is used to drive the gripping unit to move vertically; the loading and positioning unit is mounted on the pre-installation unit, the workpiece is mounted on the pre-installation unit via the loading and positioning unit, and the workpiece is positioned and adjusted at the same time.

[0006] Furthermore, the longitudinal moving unit includes a supporting column, a longitudinal slide rail, a first slide seat and a longitudinal driving motor.

[0007] Furthermore, the longitudinal slide rail is installed on a supporting column.

[0008] Furthermore, the first slide seat is slidably mounted on the longitudinal slide rail.

[0009] Furthermore, the longitudinal drive motor is mounted on the first slide and is used to drive the first slide to slide longitudinally on the longitudinal slide rail.

[0010] Furthermore, the lateral movement unit includes a lateral slide rail, a second slide seat and a lateral drive motor.

[0011] Furthermore, the transverse slide rail is mounted on the longitudinal slide rail and is slidably connected to the longitudinal slide rail via a first slide seat.

[0012] Furthermore, the second slide seat is installed on the transverse slide rail and can slide on the transverse slide rail.

[0013] Furthermore, the transverse drive motor is mounted on the second slide and is used to drive the second slide to slide transversely on the transverse slide rail.

[0014] Furthermore, the vertical movement unit includes a vertical beam and a vertical drive motor.

[0015] Furthermore, the vertical beam and the vertical drive motor are both mounted on the second slide, and the vertical beam can slide vertically on the second slide; the vertical drive motor is connected to the vertical beam and is used to drive the vertical beam to slide vertically on the second slide.

[0016] Furthermore, the grabbing unit includes a mounting pallet, a grabbing drive motor, a transmission shaft and a grabbing splint, the mounting pallet is mounted on the vertical beam, and the grabbing drive motor, the transmission shaft and the grabbing splint are all mounted on the mounting pallet; the grabbing drive motor is connected to the grabbing splint through the transmission shaft, and is used to drive the grabbing splint to pick up and place the workpiece.

[0017] Furthermore, the pre-installation unit includes a pre-installation machine and a reference workbench, the reference workbench is installed on the pre-installation machine, and the zero point of the reference workbench is matched with the zero point of the machine tool in the digital production line.

[0018] Furthermore, the loading and positioning unit includes a positioning substrate, a carrying plate and a locking and positioning mechanism. The positioning substrate is installed on the reference workbench. The carrying plate is used to install the workpiece and can be grasped by the grasping clamp together with the workpiece and circulated between machine tools in the digital production line. The locking and positioning mechanism is arranged on the positioning substrate and is used to position the carrying plate when the carrying plate is installed on the positioning substrate.

[0019] Furthermore, the locking and positioning mechanism comprises a first standard positioning end face and a second standard positioning end face, the second standard positioning end face is arranged opposite to the first standard positioning end face, and the second standard positioning end face can contact the first standard positioning end face.

[0020] Furthermore, the locking and positioning mechanism also includes a clamping column and a locking and positioning device, the clamping column is arranged on the supporting plate, the locking and positioning device is arranged on the positioning substrate, the clamping column is inserted into the locking and positioning device, and the locking and positioning device positions and locks the clamping column.

[0021] Furthermore, the loading and positioning unit further comprises a dirt removing mechanism, which is mounted on the locking and positioning mechanism and is used for cleaning the second standard positioning end surface and the first standard positioning end surface.

[0022] The technical solution of the present invention can achieve at least one of the following effects:

[0023] (1) The present invention provides a transfer system for a digital production line, comprising a longitudinal moving unit, a transverse moving unit, a vertical moving unit, a gripping unit, a pre-installation unit and a loading and positioning unit, wherein the transverse moving unit is mounted on the longitudinal moving unit, the vertical moving unit is mounted on the transverse moving unit, the gripping unit is mounted on the vertical moving unit, the gripping unit is used to pick up and place workpieces, the longitudinal moving unit is used to drive the gripping unit to move longitudinally, the transverse moving unit is used to drive the gripping unit to move transversely, and the vertical moving unit is used to drive the gripping unit to move vertically; the loading and positioning unit is mounted on the pre-installation unit, the workpiece is mounted on the pre-installation unit through the loading and positioning unit, and the workpiece is positioned and adjusted at the same time, so that the workpiece meets the set requirements of the digital production line, that is, the zero point of the workpiece after positioning is adapted to the zero point of the machine tool used in the subsequent workpiece processing; the present invention realizes rapid zero point positioning of the workpiece, so that the zero point of the workpiece after positioning is adapted to the zero point of the machine tool used in the subsequent workpiece processing, thereby improving the accuracy of the subsequent circulation processing of the workpiece between different machine tools, and ensuring the stability of the workpiece processing accuracy, thereby improving the workpiece processing quality and quality stability.

[0024] (2) The loading and positioning unit of the present invention is also provided with a dirt removal mechanism, which is installed on the locking and positioning mechanism and is used to clean the first standard positioning end face and the second standard positioning end face, so that the first standard positioning end face and the second standard positioning end face are kept clean, thereby preventing the accuracy deviation caused by residual particles on the first standard positioning end face and the second standard positioning end face. It can not only ensure the installation accuracy of the carrier plate and the positioning substrate to improve the positioning accuracy of the workpiece, but also improve the cleaning efficiency of the loading and positioning unit, and at the same time avoid the safety hazards caused by workers' operating errors and prevent workers from being injured.

[0025] (3) The dirt removal mechanism of the present invention includes a purging and dirt removal device, which includes an air passage chamber, a first purging guide hole, a second purging guide hole and a third air supply channel. The air passage chamber is connected to an external air path through the third air supply channel. The first purging guide hole and the second purging guide hole are both connected to the air passage chamber. The first purging guide hole is used to purge the first standard positioning end face to keep the first standard positioning end face clean. The second purging guide hole is used to purge the second positioning end face to keep the second standard positioning end face clean, thereby preventing the accuracy deviation caused by the particles remaining on the first standard positioning end face and the second standard positioning end face. It can not only ensure the installation accuracy of the carrier plate and the positioning substrate to improve the positioning accuracy of the workpiece, but also improve the cleaning efficiency of the loading and positioning unit. At the same time, it can also avoid the safety hazards caused by workers' operating errors and prevent workers from being injured.

[0026] (4) The dirt removal mechanism of the present invention is also provided with a wiping and cleaning device, which includes a driving sleeve, a mounting base, a first wiping and cleaning component and a second wiping and cleaning component, wherein the first wiping and cleaning component includes a first cleaning block, and the second wiping and cleaning component includes a second cleaning block; the driving sleeve is sleeved on the base and can rotate along the axis of the base and slide up and down; the mounting base is mounted on the driving sleeve and can rotate synchronously with the driving sleeve; the first wiping and cleaning component is mounted on the mounting base and can slide up and down along the axis of the mounting base and rotate with the mounting base, and the first cleaning block is aligned with the first standard The first standard positioning end face is kept in contact with the second wiping and cleaning block, and is used to wipe the first standard positioning end face; the second wiping and cleaning component is installed on the installation base and can rotate with the installation base, and the second cleaning block is kept in contact with the second standard positioning end face, and is used to wipe the second standard positioning end face; by driving the sleeve to rotate, the installation base is driven to rotate, thereby driving the first wiping and cleaning component and the second wiping and cleaning component to rotate, thereby controlling the first cleaning block to wipe the first standard positioning end face, and controlling the second cleaning block to wipe the second standard positioning end face, thereby further improving the cleanliness of the first standard positioning end face and the second standard positioning end face, thereby further improving the positioning accuracy.

[0027] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0029] Figure 1 It is a structural schematic diagram of a transfer system according to an embodiment of the present invention;

[0030] Figure 2 It is a structural schematic diagram of a longitudinal moving unit according to an embodiment of the present invention;

[0031] Figure 3 It is a schematic structural diagram of a lateral moving unit and a vertical moving unit according to an embodiment of the present invention;

[0032] Figure 4 It is a structural schematic diagram of a grabbing unit according to an embodiment of the present invention;

[0033] Figure 5 A schematic diagram of the structure of a pre-installed unit according to an embodiment of the present invention;

[0034] Figure 6 is a cross-sectional view of a loading and positioning unit according to an embodiment of the present invention;

[0035] Figure 7 It is a schematic structural diagram of a clamping column according to an embodiment of the present invention;

[0036] Figure 8 A cross-sectional view of a locking and positioning device according to an embodiment of the present invention;

[0037] Fig. 9 An exploded view of a wiping and decontamination device according to an embodiment of the present invention;

[0038] Fig.10 It is a structural schematic diagram of a mounting base according to an embodiment of the present invention;

[0039] Fig.11 An exploded view of a first cleaning and decontamination assembly according to an embodiment of the present invention;

[0040] Fig.12 An exploded view of a second cleaning and decontamination assembly according to an embodiment of the present invention;

[0041] Fig.13 2 is a cross-sectional view of a cooperating connecting rod according to an embodiment of the present invention.

[0042] Reference numerals:

[0043] 1. Longitudinal moving unit; 11. Support column; 12. Longitudinal slide rail; 13. First slide seat; 14. Longitudinal drive motor; 2. Transverse moving unit; 21. Transverse slide rail; 22. Second slide seat; 23. Transverse drive motor; 3. Vertical moving unit; 31. Vertical beam; 32. Vertical drive motor; 4. Grasping unit; 41. Mounting pallet; 42. Grasping drive motor; 43. Transmission shaft; 44. Grasping splint; 5. Pre-installation unit; 51, pre-installation machine; 52, reference workbench; 6, loading and positioning unit; 61, positioning substrate; 62, carrying plate; 63, locking and positioning mechanism; 631, clamping column; 6311, clamping groove; 6312, air passage chamber; 6313, first purge guide hole; 6314, second purge guide hole; 632, locking and positioning device; 6321, base; 6322, clamping wedge; 6323, clamping ball; 6324, first spring; 6325, driving chamber; 64, dirt removal mechanism; 641, driving sleeve; 6411, limiting groove; 6412, first sliding protrusion; 642, mounting base; 6421, mounting plate; 6422, second spring; 6423, anti-rotation slide; 643, first wiping and dirt removal assembly; 6431, first dirt removal block; 6432, first ring platform; 64321, first dirt removal block limiting slide Groove; 64322, anti-rotation protrusion; 64323, give way hole; 64324, second sliding protrusion; 6433, first cooperative ring; 644, second wiping and decontamination assembly; 6441, second decontamination block; 6442, second ring platform; 64421, second decontamination block limiting slide groove; 6443, second cooperative ring; 645, cooperative connecting rod; 6451, cooperative tooth; 6452, first sliding groove; 646, third spring. DETAILED DESCRIPTION

[0044] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0045] Example 1

[0046] In a specific embodiment of the present invention, a transfer system for a digital production line is disclosed, such as Figure 1 As shown, it includes a longitudinal moving unit 1, a lateral moving unit 2, a vertical moving unit 3, a grabbing unit 4, a pre-installing unit 5 and a loading and positioning unit 6; Figure 1The coordinate system shown in the figure, that is, the length direction of the longitudinal moving unit 1 is the X-axis, the direction perpendicular to the length direction of the longitudinal moving unit 1 in the horizontal plane is the Y-axis, and the direction perpendicular to the horizontal plane is the Z-axis; the transverse moving unit 2 is installed on the longitudinal moving unit 1, the vertical moving unit 3 is installed on the transverse moving unit 2, and the grabbing unit 4 is installed on the vertical moving unit 3. The grabbing unit 4 is used to pick up and place the workpiece, the longitudinal moving unit 1 is used to drive the grabbing unit 4 to move along the X-axis direction, that is, to drive the grabbing unit 4 to move longitudinally, the transverse moving unit 2 is used to drive the grabbing unit 4 to move along the Y-axis direction, that is, to drive the grabbing unit 4 to move laterally, and the vertical moving unit 3 is used to drive the grabbing unit 4 to move along the Y-axis direction. 4 moves along the Z-axis direction, that is, drives the grabbing unit 4 to move vertically; the loading and positioning unit 6 is installed on the pre-installation unit 5, and the workpiece is quickly installed on the pre-installation unit 5 through the loading and positioning unit 6, and the workpiece is positioned and adjusted at the same time, so that the workpiece meets the setting requirements of the digital production line, that is, the zero point of the workpiece after positioning is adapted to the zero point of the machine tool used in the subsequent workpiece processing; compared with the prior art, this embodiment realizes rapid zero-point positioning of the workpiece, so that the zero point of the workpiece after positioning is adapted to the zero point of the machine tool used in the subsequent workpiece processing, thereby improving the accuracy of the subsequent circulation processing of the workpiece between different machine tools, and ensuring the stability of the workpiece processing accuracy, thereby improving the processing quality and quality stability of the workpiece.

[0047] Preferably, if Figure 2 As shown, the longitudinal moving unit 1 includes a supporting column 11, a longitudinal slide rail 12, a first slide seat 13 and a longitudinal driving motor 14. The supporting columns 11 are provided in plurality, and the plurality of supporting columns 11 are longitudinally arranged and installed according to the position of the processing machine tool (i.e., arranged and installed along the direction of the X-axis); the longitudinal slide rail 12 is installed on the supporting column 11; the first slide seat 13 is slidably installed on the longitudinal slide rail 12 and can slide on the longitudinal slide rail 12; the longitudinal driving motor 14 is installed on the first slide seat 13, and is used to drive the first slide seat 13 to slide longitudinally on the longitudinal slide rail 12, thereby realizing the control of the longitudinal movement of the grasping unit 4.

[0048] Preferably, if Figure 3 As shown, the transverse moving unit 2 includes a transverse slide rail 21, a second slide seat 22 and a transverse driving motor 23. The transverse slide rail 21 is mounted on the longitudinal slide rail 12 and is slidably connected to the longitudinal slide rail 12 through the first slide seat 13; the second slide seat 22 is installed on the transverse slide rail 21 and can slide on the transverse slide rail 21; the transverse driving motor 23 is installed on the second slide seat 22, and is used to drive the second slide seat 22 to slide transversely on the transverse slide rail 21, thereby realizing the control of the grasping unit 4 to move transversely.

[0049] Preferably, the vertical moving unit 3 includes a vertical beam 31 and a vertical drive motor 32, both of which are installed on the second slide 22, and the vertical beam 31 can slide vertically on the second slide 22; the vertical drive motor 32 is connected to the vertical beam 31, and is used to drive the vertical beam 31 to slide vertically on the second slide 22, thereby realizing the control of the vertical movement of the grabbing unit 4.

[0050] Preferably, if Figure 4 As shown, the grabbing unit 4 includes a mounting plate 41, a grabbing drive motor 42, a transmission shaft 43 and a grabbing clamp 44. The mounting plate 41 is mounted on the vertical beam 31, and the grabbing drive motor 42, the transmission shaft 43 and the grabbing clamp 44 are all mounted on the mounting plate 41; the grabbing drive motor 42 is connected to the grabbing clamp 44 through the transmission shaft 43, and is used to drive the grabbing clamp 44 to pick up and place the workpiece.

[0051] Preferably, if Figure 5 As shown, the pre-installation unit 5 includes a pre-installation machine 51 and a reference workbench 52. The reference workbench 52 is installed on the pre-installation machine 51, and the zero point of the reference workbench 52 is compatible with the zero point of the machine tool used in the subsequent workpiece processing; the reference workbench 52 is used to install the loading and positioning unit 6. The workpiece is installed on the reference workbench 52 through the loading and positioning unit 6, and the workpiece is positioned and adjusted at the same time to meet the setting requirements of the digital production line, so that the installation and positioning of the workpiece are compatible with the zero point of the machine tool used in the subsequent workpiece processing, and the workpiece is quickly positioned. Point positioning, thereby improving the positioning accuracy of the workpiece, thereby improving the accuracy of the workpiece in subsequent processing, and ensuring the stability of the workpiece quality.

[0052] Preferably, if Figure 6 As shown, the loading and positioning unit 6 includes a positioning substrate 61, a supporting plate 62, a locking and positioning mechanism 63 and a cleaning mechanism 64. The positioning substrate 61 can be installed on the reference workbench 52, and the supporting plate 62 is used to install the workpiece, and can be grasped by the grasping clamp 44 together with the workpiece, and circulated between different machine tools; the locking and positioning mechanism 63 is arranged on the positioning substrate 61, and is used to quickly and accurately position the supporting plate 62 when the supporting plate 62 is installed on the positioning substrate 61, so as to maintain the positioning accuracy of the supporting plate 62, thereby performing zero-point positioning on the workpiece to ensure the subsequent processing accuracy of the workpiece; the cleaning mechanism 64 is installed on the locking and positioning mechanism 63, and is used to clean the locking and positioning mechanism 63 to ensure the installation accuracy of the supporting plate 62 and the positioning substrate 61, thereby further improving the zero-point positioning of the workpiece.

[0053] Preferably, a first air supply channel is provided on the positioning substrate 61 , and the first air supply channel is connected to external compressed air.

[0054] Preferably, the locking and positioning mechanism 63 includes a first standard positioning end face, a second standard positioning end face, a clamping column 631 and a locking and positioning device 632, wherein the first standard positioning end face is arranged on the locking and positioning device 632, and the locking and positioning device 632 is arranged on the positioning substrate 61; the second standard positioning end face and the clamping column 631 are both arranged on the carrier plate 62; the second standard positioning end face is arranged opposite to the first standard positioning end face, and the second standard positioning end face can contact the first standard positioning end face, so that when the carrier plate 62 is clamped on the positioning substrate 61, it is used to position the carrier plate 62, so that the carrier plate 62 The upper mounting surface is kept parallel to the surface of the reference workbench 52, and the zero point of the supporting plate 62 is matched with the zero point of the reference workbench 52, thereby ensuring that the workpiece mounted on the supporting plate 62 can be matched with the zero point of the subsequent processing machine tool without repeated positioning; the clamping column 631 is located on the second standard positioning end face and can be inserted into the locking positioning device 632, and the locking positioning device 632 is used to position and lock the inserted clamping column 631, thereby realizing rapid positioning and fixing of the supporting plate 62, and then realizing rapid positioning of the workpiece to be processed installed on the supporting plate 62, thereby improving positioning efficiency and positioning accuracy.

[0055] Preferably, if Figure 7 As shown, a clamping groove 6311 is provided on the clamping column 631 , and the clamping groove 6311 is an arc-shaped groove, and the clamping groove 6311 is circumferentially arranged on the cylindrical surface of the clamping column 631 .

[0056] Preferably, if Figure 8As shown, the locking and positioning device 632 includes a base 6321, a clamping wedge 6322, a clamping ball 6323, a first spring 6324 and a driving chamber 6325. One end of the base 6321 is fixedly connected to the positioning substrate 61, and the other end is a first standard positioning end face; the base 6321 is provided with a first installation chamber, a second installation chamber, a third installation chamber and a second air delivery channel, the third installation chamber is used to insert the clamping column 631 and position the clamping column 631; the first installation chamber is connected to the second installation chamber, the clamping ball 6323 is arranged in the first installation chamber, and can protrude or retreat into the first installation chamber, and the clamping ball 6323 is used to position the clamping column 631 The clamping wedge 6322 is arranged in the second installation chamber and can slide in the second installation chamber, and is used to control the clamping ball 6323 to protrude or retreat into the first installation chamber, so as to realize the locking and fixing of the clamping column 631 and the unlocking and fixing; the first spring 6324 is arranged in the second installation chamber, one end of which is connected to the second installation chamber, and the other end is connected to the clamping wedge 6322, and the first spring 6324 is used to always apply elastic thrust to the clamping wedge 6322; the driving chamber 6325 is surrounded by the clamping wedge 6322 and the second installation chamber, and the driving chamber 6325 is connected to one end of the second gas transmission channel, and the other end of the second gas transmission channel is connected to the first gas transmission channel;

[0057] When in use, compressed gas is filled into the driving chamber 6325 through the first gas supply channel and the second gas supply channel through the external gas circuit, the driving chamber 6325 expands, and pushes the clamping wedge block 6322 to slide in the direction away from the first standard positioning end face, thereby removing the force on the clamping ball 6323, and the clamping ball 6323 retreats into the first installation chamber; the clamping column 631 is inserted into the third installation chamber, and when the second standard positioning end face contacts the first standard positioning end face, the external gas circuit is disconnected, and the clamping wedge block 6322 is pushed by the elastic thrust of the first spring 6324 to slide in the direction close to the first standard positioning end face, thereby applying a force to the clamping ball 6323, so that the clamping ball 6323 protrudes from the first installation chamber and is inserted into the clamping groove 6311, and the clamping column 631 is locked and fixed, thereby realizing rapid positioning and fixing of the carrier plate 62, thereby improving the positioning efficiency and positioning accuracy of the carrier plate 62 being mounted on the positioning substrate 61.

[0058] Preferably, the dirt removal mechanism 64 includes a purging and cleaning device, which is used to continuously purge and clean the first standard positioning end face and the second standard positioning end face when the carrier plate 62 is clamped onto the positioning substrate 61, so that the first standard positioning end face and the second standard positioning end face are kept clean, thereby preventing the accuracy deviation caused by residual particles on the first standard positioning end face and the second standard positioning end face, thereby improving the positioning accuracy of the loading positioning unit 6, and further improving the positioning accuracy of the workpiece.

[0059] Preferably, the purging and decontamination device comprises an air-passing chamber 6312, a first purging guide hole 6313, a second purging guide hole 6314 and a third gas delivery channel, wherein the third gas delivery channel is arranged on the base 6321, one end of the third gas delivery channel is connected with the first gas delivery channel, and the other end is connected with the third installation chamber; the air-passing chamber 6312, the first purging guide hole 6313 and the second purging guide hole 6314 are all arranged on the clamping column 631, the first purging guide hole 6313 and the second purging guide hole 6314 are both connected with the air-passing chamber 6312, the first purging guide hole 6313 is used to purge the first standard positioning end face to keep the first standard positioning end face clean; the second purging guide hole 6314 is used to purge the second standard positioning end face to keep the second standard positioning end face clean;

[0060] During use, when the carrier plate 62 is mounted on the positioning substrate 61, the clamping column 631 is inserted into the third installation chamber for positioning and locking, and at the same time, compressed gas is filled into the air passage chamber 6312 through the first gas supply channel and the third gas supply channel through the external gas circuit, and the first standard positioning end face is purged through the first purge guide hole 6313, and the second standard positioning end face is purged through the second purge guide hole 6314, so that when the carrier plate 62 is mounted on the positioning substrate 61, the first standard positioning end face and the second standard positioning end face are continuously purged and cleaned at the same time, so that the first standard positioning end face and the second standard positioning end face are kept clean, thereby preventing the accuracy deviation caused by the residual particles on the first standard positioning end face and the second standard positioning end face, thereby improving the positioning accuracy of the loading and positioning unit 6; and when the carrier plate 62 is mounted on the positioning substrate 61, there is no need for manual cleaning, which improves the assembly efficiency and the safety of manual operation.

[0061] Preferably, the first purge guide hole 6313 is tilted in a direction close to the first standard positioning end face, that is, the first purge guide hole 6313 is tilted in a direction away from the second standard positioning end face, so that the gas blown out of the first purge guide hole 6313 can be concentrated on the first standard positioning end face, thereby improving the cleaning effect of the first standard positioning end face; the second purge guide hole 6314 is tilted in a direction close to the second standard positioning end face, so that the gas blown out of the second purge guide hole 6314 can be concentrated on the second standard positioning end face, thereby improving the cleaning effect of the second standard positioning end face, and at the same time, the second standard positioning end face is continuously purged and cleaned, so that the second standard positioning end face can be continuously kept clean, thereby improving the positioning accuracy of the contact between the second standard positioning end face and the first standard positioning end face.

[0062] Preferably, a plurality of the first purge guide holes 6313 are arranged circumferentially, thereby increasing the purge direction and simultaneously increasing the purge area of ​​the first standard positioning end face, thereby achieving comprehensive purge of the first standard positioning end face and further improving the cleaning effect of the first standard positioning end face.

[0063] Preferably, a plurality of the second purge guide holes 6314 are arranged circumferentially, thereby increasing the purge direction and simultaneously increasing the purge area of ​​the second standard positioning end face, thereby achieving comprehensive purge of the second standard positioning end face and further improving the cleaning effect of the second standard positioning end face.

[0064] Preferably, the first purge guide holes 6313 are arranged in multiple rows, and the multiple rows of the first purge guide holes 6313 can enable the clamping column 631 to be inserted into the third installation chamber, and can continuously purge and clean the first standard positioning end surface before the second standard positioning end surface contacts the first standard positioning end surface, so that the first standard positioning end surface can be continuously kept clean.

[0065] Preferably, the dirt removal mechanism 64 also includes a wiping and cleaning device, which is used to wipe the first standard positioning end face and the second standard positioning end face, so as to further improve the cleanliness of the first standard positioning end face and the second standard positioning end face, thereby further improving the positioning accuracy of the first standard positioning end face and the second standard positioning end face, and further improving the positioning accuracy of the loading positioning unit 6. The purging and cleaning device and the wiping and cleaning device work together to further improve the cleanliness of the first standard positioning end face and the second standard positioning end face.

[0066] Preferably, if Fig. 9As shown, the wiping and cleaning device includes a driving sleeve 641, a mounting base 642, a first wiping and cleaning component 643, a second wiping and cleaning component 644 and a cooperating connecting rod 645. The driving sleeve 641 is provided with a limiting groove cavity 6411. The first wiping and cleaning component 643 includes a first cleaning block 6431, and the second wiping and cleaning component 644 includes a second cleaning block 6441. The driving sleeve 641 is sleeved on the base 6321 and can rotate along the axis of the base 6321. , and slide up and down; the mounting base 642 is mounted in the limiting groove cavity 6411, and the relative rotation of the mounting base 642 and the driving sleeve 641 is limited by the limiting groove cavity 6411, so that the mounting base 642 can rotate synchronously with the driving sleeve 641; the mounting base 642 can also slide up and down in the limiting groove cavity 6411; the first wiping and cleaning component 643 is mounted on the mounting base 642, and can slide up and down along the axis of the mounting base 642, and can also rotate synchronously with the mounting base 6 42 rotates, the first dirt removing block 6431 keeps in contact with the first standard positioning end face, and is used to wipe the first standard positioning end face, so as to further improve the cleanliness of the first standard positioning end face; the second cleaning and sweeping dirt removing component 644 is installed on the mounting base 642, and can also rotate with the mounting base 642, the second dirt removing block 6441 keeps in contact with the second standard positioning end face, and is used to wipe the second standard positioning end face, so as to further improve the cleanliness of the second standard positioning end face; the cooperative connecting rod 645 is erected between the first cleaning and sweeping dirt removing component 643 and the second cleaning and sweeping dirt removing component 644, and is connected to the first cleaning and sweeping dirt removing component 643 and the second cleaning and sweeping dirt removing component 644, and is used to control the first cleaning and sweeping dirt removing block 6431 and the second cleaning and sweeping dirt removing block 6441 to synchronously move along the radial direction of the mounting base 642, so that the first cleaning and sweeping dirt removing block 6431 can withdraw from the first standard positioning end face, and the second cleaning and sweeping dirt removing block 6441 can withdraw from the second standard positioning end face, so as to avoid interfering with the contact between the second standard positioning end face and the first standard positioning end face;

[0067] When in use, the supporting plate 62 is buckled onto the wiping and dirt removing device so that the second standard positioning end face contacts the second dirt removing block 6441, and the first standard positioning end face contacts the first dirt removing block 6431, and downward pressure is applied to the supporting plate 62. The downward pressure applied to the supporting plate 62 is transmitted to the driving sleeve 641 through the second wiping and dirt removing assembly 644 and the mounting base 642. Under the action of the downward pressure, the driving sleeve 641 rotates and slides downward along the axis of the base 6321. The driving sleeve 641 rotates, driving the mounting base 642 to rotate, thereby driving the first wiping and dirt removing assembly 643 and the second wiping and dirt removing assembly 644 to rotate, thereby controlling the first dirt removing block 6431 to wipe the first standard positioning end face, and the second dirt removing block 6441 to wipe the second standard positioning end face.

[0068] At the same time, since the first standard positioning end face is in contact with the first dirt-removing block 6431, the first cleaning and wiping dirt-removing component 643 is restricted from sliding downward, so that the first cleaning and wiping dirt-removing component 643 and the second cleaning and wiping dirt-removing component 644 can move relative to each other in the vertical direction, and then the cooperative connecting rod 645 can be driven to rotate. The cooperative connecting rod 645 rotates to control the first cleaning block 6431 and the second cleaning block 6441 to move synchronously along the radial direction of the driving sleeve 641, that is, before the first cleaning and wiping dirt-removing component 643 and the second cleaning and wiping dirt-removing component 644 come into contact, the first cleaning block 6431 is controlled to withdraw from the first standard positioning end face, and the second cleaning block 6441 is controlled to withdraw from the second standard positioning end face, so as to avoid interfering with the contact between the second standard positioning end face and the first standard positioning end face;

[0069] When the first wiping and cleaning component 643 and the second wiping and cleaning component 644 are in contact, the base 6321, the driving sleeve 641, the mounting base 642, the first wiping and cleaning component 643, the second wiping and cleaning component 644 and the cooperative connecting rod 645 will be in a locked state to form a rigidly connected whole. In order to prevent the rigidly connected whole from hindering the contact between the second standard positioning end face and the first standard positioning end face, at this time, under the continuous action of the downward pressure, the mounting base 642 slides into the limiting groove cavity 6411 to achieve a retreat action, so that the second standard positioning end face can contact the first standard positioning end face to achieve precise positioning.

[0070] Preferably, a first sliding groove is further provided on the outer circumference of the base 6321, and the first sliding groove is spirally arranged.

[0071] Preferably, the driving sleeve 641 is also provided with a first sliding protrusion 6412, which is arranged on the inner wall of the driving sleeve 641 and can be inserted into the first sliding groove and slide along the first sliding groove, so that the driving sleeve 641 can rotate along the axis of the base 6321 and slide up and down when subjected to external force.

[0072] Preferably, if Fig.10 As shown, the mounting base 642 includes a mounting plate 6421, and the mounting plate 6421 is installed in the limiting groove cavity 6411 to limit the relative rotation of the mounting base 642 and the driving sleeve 641, so that the mounting base 642 can rotate synchronously with the driving sleeve 641; at the same time, the mounting plate 6421 can slide up and down in the limiting groove cavity 6411, so that when the first wiping and dirt removing component 643 and the second wiping and dirt removing component 644 are in contact, the mounting plate 6421 slides into the limiting groove cavity 6411 to achieve a retreat action, thereby ensuring that the second standard positioning end face can contact the first standard positioning end face to achieve precise positioning.

[0073] Preferably, the mounting base 642 also includes a second spring 6422, one end of the second spring 6422 is fixedly connected to the mounting plate 6421, and the other end is fixedly installed in the limiting groove cavity 6411. The second spring 6422 is used to apply an elastic thrust to the mounting plate 6421. When the downward pressure applied to the mounting base 642 is removed, the mounting plate 6421 can be controlled to automatically return to its initial position, so that the first dirt removal block 6431 can contact the first standard positioning end face.

[0074] Preferably, a rotation-stopping groove 6423 is provided on the mounting plate 6421, and the rotation-stopping groove 6423 extends in a vertical direction.

[0075] Preferably, if Fig.11 As shown, the first wiping and cleaning component 643 also includes a first ring platform 6432 and a first cooperative ring 6433. The first cleaning block 6431 and the first cooperative ring 6433 are both installed on the first ring platform 6432. The first cleaning block 6431 can slide radially along the first ring platform 6432, and the first cooperative ring 6433 can rotate circumferentially on the first ring platform 6432. The first cooperative ring 6433 is also connected to the first cleaning block 6431. Rotating the first cooperative ring 6433 can control the first cleaning block 6431 to slide radially along the first ring platform 6432. The first ring platform 6432 is sleeved on the mounting plate 6421 and is connected to the first cleaning block 6431 through the mounting plate 6421. 21 can limit the rotation of the first ring stage 6432 relative to the mounting base 642, so that the first ring stage 6432 can rotate synchronously with the mounting base 642, and the first ring stage 6432 can also slide up and down on the mounting plate 6421, so that the first dirt removing block 6431 maintains contact with the first standard positioning end face, thereby realizing the first dirt removing block 6431 rotating to wipe the first standard positioning end face, and can realize synchronous control of the first dirt removing block 6431 to move along the radial direction of the first ring stage 6432 away from the axial direction of the first ring stage 6432 until it exits the first standard positioning end face, thereby ensuring that the second standard positioning end face can contact with the first standard positioning end face, thereby realizing precise positioning.

[0076] Preferably, the first dirt removing block 6431 is provided with a first wiping end face and a first cooperative slide groove, the first wiping end face is in contact with the first standard positioning end face and is used for wiping the first standard positioning end face; the first cooperative slide groove is a vortex slide groove.

[0077] Preferably, a first dirt removal block limiting groove 64321 is provided on the first ring platform 6432, and the first dirt removal block limiting groove 64321 extends radially along the first ring platform 6432. The first dirt removal block 6431 is installed in the first dirt removal block limiting groove 64321 and can slide radially along the first ring platform 6432 in the first dirt removal block limiting groove 64321.

[0078] Preferably, an anti-rotation block 64322 is also provided on the first ring platform 6432. The anti-rotation block 64322 is arranged in the anti-rotation groove 6423 and can slide along the anti-rotation groove 6423. The anti-rotation groove 6423 can limit the relative rotation of the first ring platform 6432 relative to the mounting base 642, so that the first ring platform 6432 can rotate synchronously with the mounting base 642, and then the first dirt removing block 6431 can be controlled to rotate to wipe the first standard positioning end face, thereby further improving the cleanliness of the first standard positioning end face, thereby improving the positioning accuracy of the loading positioning unit 6.

[0079] Preferably, a clearance hole 64323 and a second sliding protrusion 64324 are further provided on the first ring platform 6432 , and the second sliding protrusion 64324 is located in the clearance hole 64323 .

[0080] Preferably, the first cooperating ring 6433 is provided with a first cooperating tooth and a first cooperating slide rail, and the first cooperating tooth is arranged on the outer circumference of the first cooperating ring 6433; the first cooperating slide rail is arranged on the side of the first cooperating ring 6433, and the first cooperating slide rail is a scroll slide rail, and the first cooperating slide rail can slide in the first cooperating slide groove, thereby driving the first dirt removal block 6431 to slide radially along the first ring platform 6432.

[0081] Preferably, if Fig.12 As shown, the second wiping and cleaning component 644 also includes a second ring platform 6442 and a second cooperative ring 6443. The second cleaning block 6441 and the second cooperative ring 6443 are both installed on the second ring platform 6442. The second cleaning block 6441 can slide along the radial direction of the second ring platform 6442, and the second cooperative ring 6443 can rotate in a circle on the second ring platform 6442. The second ring platform 6442 is also connected to the second cleaning block 6441. Rotating the second ring platform 6442 can control the second cleaning block 6441 to move along the second ring platform. The second ring stage 6442 is fixedly mounted on the mounting plate 6421, so that the second ring stage 6442 can rotate synchronously with the mounting base 642, thereby realizing the second dirt removing block 6441 rotating to wipe the second standard positioning end face, and can realize synchronous control of the second dirt removing block 6441 to move along the radial direction of the second ring stage 6442 away from the axial direction of the second ring stage 6442 until it exits the second standard positioning end face, thereby ensuring that the second standard positioning end face can contact with the first standard positioning end face to realize precise positioning.

[0082] Preferably, the second dirt removing block 6441 is provided with a second wiping end face and a second cooperative slide groove, the second wiping end face is in contact with the second standard positioning end face and is used for wiping the second standard positioning end face; the second cooperative slide groove is a vortex slide groove.

[0083] Preferably, a second dirt removal block limiting groove 64421 is provided on the second ring platform 6442, and the second dirt removal block limiting groove 64421 extends radially along the second ring platform 6442. The second dirt removal block 6441 is installed in the second dirt removal block limiting groove 64421 and can slide radially along the second ring platform 6442 in the second dirt removal block limiting groove 64421.

[0084] Preferably, the second cooperating ring 6443 is provided with a second cooperating tooth and a second cooperating slide rail, and the second cooperating tooth is arranged on the outer circumference of the second cooperating ring 6443; the second cooperating slide rail is arranged on the side of the second cooperating ring 6443, and the second cooperating slide rail is a vortex drive slide rail, and the second cooperating slide rail can slide in the second cooperating groove, thereby driving the second dirt removal block 6441 to slide radially along the second ring platform 6442.

[0085] Preferably, one end of the cooperative link 645 is rotatably connected to the first ring stage 6432 , and the other end is inserted into the clearance hole 64323 , so that the cooperative link 645 can move with the first ring stage 6432 toward the first standard positioning end surface.

[0086] Preferably, if Fig.13 As shown, the cooperating link 645 is provided with a cooperating tooth 6451 and a first sliding groove 6452, the first cooperating tooth and the second cooperating tooth are both meshed with the cooperating tooth 6451, the first sliding groove 6452 is spirally arranged, and the second sliding protrusion 64324 is inserted into the first sliding groove 6452 and can slide along the first sliding groove 6452, so that the cooperating link 645 can rotate simultaneously when it moves with the first ring stage 6432 toward the first standard positioning end face, thereby driving the first cooperating ring 6433 and the second cooperating ring 6443 to rotate synchronously, and then controlling the first dirt removing block 6431 to move along the radial direction of the first ring stage 6432 toward the axial direction away from the first ring stage 6432 until it exits the first standard positioning end face, and synchronously controlling the first dirt removing block 6431 to move along the radial direction of the second ring stage 6442 toward the axial direction away from the second ring stage 6442 until it exits the second standard positioning end face, thereby ensuring that the second standard positioning end face can contact the first standard positioning end face to achieve precise positioning.

[0087] Preferably, the wiping and dirt-removing device also includes a third spring 646, and the third spring 646 is sleeved on the base 6321. One end of the third spring 646 is fixedly connected to the base 6321, and the other end is rotatably connected to the driving sleeve 641. The third spring 646 is used to always apply an elastic thrust to the driving sleeve 641. When the downward pressure on the wiping and dirt-removing device is removed, the driving sleeve 641 is pushed to rotate and slide upward along the axis of the base 6321 under the action of the elastic thrust of the third spring 646, so that the driving sleeve 641 is restored to its initial position, and at the same time drives the second wiping and dirt-removing component 644 to restore to its initial state.

[0088] Preferably, the wiping and dirt-removing device also includes a fourth spring (not shown in the figure), which is sleeved on the mounting base 642, with one end of the fourth spring connected to the first ring platform 6432, and the other end connected to the second ring platform 6442. The fourth spring is used to always apply an elastic thrust to the first ring platform 6432. When the downward pressure on the wiping and dirt-removing device is removed and the second wiping and dirt-removing component 644 returns to its initial state, the first wiping and dirt-removing component 643 is simultaneously pushed to return to its initial state by the elastic thrust of the fourth spring.

[0089] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A transfer system for a digital production line, characterized in that: The invention comprises a longitudinal moving unit (1), a transverse moving unit (2), a vertical moving unit (3), a gripping unit (4), a pre-installing unit (5) and a loading and positioning unit (6), wherein the transverse moving unit (2) is mounted on the longitudinal moving unit (1), the vertical moving unit (3) is mounted on the transverse moving unit (2), the gripping unit (4) is mounted on the vertical moving unit (3), the gripping unit (4) is used for picking up and placing workpieces, the longitudinal moving unit (1) is used for driving the gripping unit (4) to move longitudinally, the transverse moving unit (2) is used for driving the gripping unit (4) to move transversely, and the vertical moving unit (3) is used for driving the gripping unit (4) to move vertically; the loading and positioning unit (6) is mounted on the pre-installing unit (5), the workpiece is mounted on the pre-installing unit (5) through the loading and positioning unit (6), and the workpiece is positioned and adjusted at the same time.

2. A transfer system for a digital production line according to claim 1, characterized in that: The longitudinal moving unit (1) comprises a supporting column (11), a longitudinal slide rail (12), a first slide seat (13) and a longitudinal drive motor (14).

3. A transfer system for a digital production line according to claim 2, characterized in that: The longitudinal slide rail (12) is mounted on the supporting column (11).

4. A transfer system for a digital production line according to claim 3, characterized in that: The first slide seat (13) is slidably mounted on the longitudinal slide rail (12).

5. A transfer system for a digital production line according to claim 4, characterized in that: The longitudinal drive motor (14) is mounted on the first slide seat (13) and is used to drive the first slide seat (13) to slide longitudinally on the longitudinal slide rail (12).

6. A transfer system for a digital production line according to claim 5, characterized in that: The transverse movement unit (2) comprises a transverse slide rail (21), a second slide seat (22) and a transverse drive motor (23).

7. A transfer system for a digital production line according to claim 6, characterized in that: The transverse slide rail (21) is mounted on the longitudinal slide rail (12) and is slidably connected to the longitudinal slide rail (12) via a first slide seat (13).

8. A transfer system for a digital production line according to claim 7, characterized in that: The second slide seat (22) is installed on the transverse slide rail (21) and is capable of sliding on the transverse slide rail (21).

9. A transfer system for a digital production line according to claim 8, characterized in that: The transverse driving motor (23) is mounted on the second slide seat (22) and is used to drive the second slide seat (22) to slide transversely on the transverse slide rail (21).

10. A transfer system for a digital production line according to claim 9, characterized in that: The vertical moving unit (3) comprises a vertical beam (31) and a vertical driving motor (32).

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