Automatic feeding and discharging device for hydraulic pipe joint processing

Abstract

The utility model discloses an automatic feeding and discharging device for hydraulic pipe joint processing, including processing station, transfer station and storage station, the transfer station is equipped with transfer mechanism, the transfer mechanism is used for transferring workpiece between processing station and storage station, the transfer mechanism includes translation mechanism, elevating system and clamping mechanism, the elevating system is installed in the translation mechanism, the elevating system has the connecting end, the clamping mechanism is installed in the connecting end of elevating system, the clamping mechanism includes rotary cylinder, first chuck, second chuck and linear cylinder, the utility model has the beneficial effects that: through setting first chuck and second chuck in clamping mechanism, and cooperate rotary cylinder to realize the position exchange of both, make the transfer mechanism one way to return can complete the feeding of the workpiece to be processed and the discharging action of the workpiece after processing, effectively reduce the return frequency of translation mechanism, significantly improve the feeding and discharging efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pipe fitting processing technology, and in particular to an automatic loading and unloading device for hydraulic pipe fitting processing. Background Technology

[0002] During the production process, hydraulic pipe fittings require meticulous grinding and deburring of their inner bores to ensure surface smoothness and sealing, meeting the stringent requirements of high-pressure hydraulic systems. Therefore, the workpiece to be processed must be transferred from the storage tray to the machine tool chuck, and after processing, the finished product is removed from the chuck and placed back on the storage tray. However, existing technology uses a robotic arm on a translation mechanism to grip the workpiece and move it to the processing station for processing; after processing, the workpiece is transferred from the processing station to the storage station. In this transfer method, the robotic arm can only grip one workpiece at a time, and the translation mechanism needs to move back and forth twice during the picking and placing process, including from the storage tray to the processing station and from the processing station to the storage station. Therefore, for each workpiece processed, the translation mechanism needs to drive the robotic arm back and forth twice, resulting in low efficiency, increased production cycle and energy consumption, and limiting the overall capacity improvement.

[0003] Therefore, it is necessary to improve the existing technology. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic loading and unloading device for hydraulic pipe joint processing, addressing the defects and shortcomings of the existing technology.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic loading and unloading device for processing hydraulic pipe fittings includes a processing station, a transfer station, and a storage station. The transfer station is equipped with a transfer mechanism for transferring workpieces between the processing station and the storage station. The transfer mechanism includes a translation mechanism, a lifting mechanism, and a clamping mechanism. The lifting mechanism is mounted on the translation mechanism and can drive the lifting mechanism to move in a first direction. The clamping mechanism is mounted on the lifting mechanism and can drive the clamping mechanism to move in a second direction. The clamping mechanism includes a rotary cylinder and a first clamp. The rotary cylinder comprises a rotary chuck, a second chuck, and a linear cylinder. A connecting block is mounted on the output shaft of the rotary cylinder. Both the first and second chucks are mounted on the connecting block. The first chuck is used to clamp a machined workpiece at a machining station, and the second chuck is used to clamp a workpiece to be processed at a storage station. The rotary cylinder can drive the connecting block to rotate around the axis of the output shaft to exchange the positions of the first and second chucks. The second chuck has a chuck axis. The linear cylinder is mounted on the first chuck, and the extension and retraction direction of the piston rod of the linear cylinder is parallel to the chuck axis.

[0007] Preferably, the clamping mechanism further includes a fixing block, the fixing block having an inclined mounting surface that is angled to the direction of movement of the lifting mechanism, and the rotary cylinder is mounted on the inclined mounting surface.

[0008] Preferably, the angle between the mounting ramp and the second direction is 45°.

[0009] Preferably, the connecting block has a first connecting surface and a second connecting surface that are perpendicular to each other, the first chuck is mounted on the first connecting surface, and the second chuck is mounted on the second connecting surface.

[0010] Preferably, the first chuck includes a first chuck cylinder and a plurality of first jaws, the first jaws being uniformly mounted axially at the output end of the first chuck cylinder; the second chuck includes a second chuck cylinder and a plurality of second jaws, the second jaws being uniformly mounted axially at the output end of the second chuck cylinder; and both the first jaws and the second jaws are provided with soft pads.

[0011] Preferably, the translation mechanism includes a first driving member, a fixed platform, a sliding block, and a drive shaft. The first driving member is mounted on the fixed platform, the drive shaft is mounted on the output end of the first driving member, the sliding block is slidably disposed on the fixed platform along a first direction, the sliding block is threadedly engaged with the drive shaft, and the lifting mechanism is mounted on the sliding block.

[0012] Preferably, the lifting mechanism includes a mounting platform, a second driving component, and a linear slide. The mounting platform is fixedly mounted on the sliding block, the second driving component is fixedly mounted on the mounting platform, and the linear slide moves along the lifting direction via the second driving component.

[0013] Preferably, the piston rod end of the linear cylinder is provided with a push block.

[0014] Preferably, the storage station is provided with a storage tray assembly, which is used to store workpieces to be processed and processed workpieces.

[0015] Preferably, the tray assembly includes a fixed base, a slide table, and a tray. The fixed base is provided with a slide groove, the slide table is slidably disposed in the slide groove, and the tray is mounted on the slide table.

[0016] With the above structure, the beneficial effects of this utility model are as follows: The automatic loading and unloading device for hydraulic pipe joint processing described in this utility model, by setting a first chuck and a second chuck in the clamping mechanism and cooperating with a rotary cylinder to realize the interchange of their positions, enables the transfer mechanism to complete the loading of the workpiece to be processed and the unloading of the processed workpiece in one round trip, effectively reducing the number of round trips of the translation mechanism and significantly improving the loading and unloading efficiency. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the transfer mechanism and the tray mechanism of this utility model;

[0020] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;

[0021] Figure 4 This is a structural schematic diagram of the lifting mechanism of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the clamping mechanism of this utility model;

[0023] Figure 6 yes Figure 5 A magnified structural diagram of A in the middle;

[0024] Figure 7 This is a three-dimensional structural diagram of the linear slide and fixing block of this utility model.

[0025] Figures 1 to 7 The winning number is:

[0026] 100. Machine tool chuck; 1. Translation mechanism; 11. Fixed table; 12. First driving component; 13. Drive shaft; 14. Sliding block; 2. Lifting mechanism; 21. Mounting table; 22. Second driving component; 23. Linear slide; 3. Clamping mechanism; 31. Fixed block; 311. Mounting inclined surface; 33. Connecting block; 331. First connecting surface; 332. Second connecting surface; 32. Rotary cylinder; 34. First chuck; 341. First chuck cylinder; 342. First jaw; 35. Second chuck; 351. Second chuck cylinder; 352. Second jaw; 353. Chuck axis; 36. Linear cylinder; 361. Piston rod; 362. Push block; 37. Soft pad; 4. Storage tray assembly; 40. Slide groove; 41. Fixed seat; 42. Slide; 43. Connecting shaft; 44. Storage tray; 440. Storage slot. Detailed Implementation

[0027] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0028] It should be noted that in this utility model, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly for better describing this utility model and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0029] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] like Figures 1 to 7As shown, an automatic loading and unloading device for hydraulic pipe fitting processing includes a processing station, a transfer station, and a storage station. The transfer station is equipped with a transfer mechanism for transferring workpieces between the processing station and the storage station. The transfer mechanism includes a translation mechanism 1, a lifting mechanism 2, and a clamping mechanism 3. The translation mechanism 1 can drive the lifting mechanism 2 to move in a first direction, which in this embodiment is the X-axis direction. The lifting mechanism 2 is mounted on the translation mechanism 1 and has a connecting end. The clamping mechanism 3 is mounted on the connecting end of the lifting mechanism 2. At the end, the lifting mechanism 2 can drive the clamping mechanism 3 to move in the second direction. In this embodiment, the second direction is the Z-axis direction. The clamping mechanism 3 includes a rotary cylinder 32, a first chuck 34, a second chuck 35, a fixing block 31, and a linear cylinder 36. The fixing block 31 has a mounting inclined surface 311 that is set at an angle to the second direction. The mounting inclined surface 311 forms a 45° angle with the second direction. The rotary cylinder 32 is mounted on the mounting inclined surface 311 (the rotary cylinder in this embodiment is prior art, and its specific structure and working principle will not be described in detail here). For example, one can refer to the modular sealed rotary cylinder disclosed in Chinese Utility Model Patent No. CN210715355U. Therefore, the output shaft of the rotary cylinder 32 forms a 45° angle with the second direction. A connecting block 33 is installed on the output shaft of the rotary cylinder 32. A first chuck 34 and a second chuck 35 are both installed on the connecting block 33. The first chuck 34 is used to clamp the workpiece to be processed at the storage station, and the second chuck 35 is used to clamp the processed workpiece at the processing station. The connecting block 33 has a first connecting surface 331 and a second connecting surface 332. The connecting surfaces 332, 331 and 332 are perpendicular to each other. The first chuck 34 is mounted on the first connecting surface 331 and the second chuck 35 is mounted on the second connecting surface 332. The rotary cylinder 32 can drive the connecting block 33 to rotate 180° around the output shaft to complete the position exchange between the first chuck 34 and the second chuck 35. The second chuck 35 has a chuck axis 353. The linear cylinder 36 is mounted on the first chuck 34. The extension and retraction direction of the piston rod 361 of the linear cylinder 36 is parallel to the chuck axis 353.

[0031] The connecting block 33 can be switched between a first position and a second position by being driven by a rotary cylinder 32. When the connecting block 33 is in the first position, the first connecting surface 331 is parallel to the horizontal plane and the second connecting surface 332 is perpendicular to the horizontal plane. When the connecting block 33 is in the second position, the first connecting surface 331 is perpendicular to the horizontal plane and the second connecting surface 332 is parallel to the horizontal plane.

[0032] Preferably, the piston rod 361 of the linear cylinder 36 is connected to a push block 362. The push block 362 is made of a soft material, which can reduce the damage caused by hard contact between the push block 362 and the workpiece. When the second chuck 35 places the workpiece on the machine tool chuck 100, the linear cylinder 36 drives the piston rod 361 to move, which in turn drives the push block 362 to move, so that the push block 362 contacts the workpiece and pushes it to the designated position, thereby ensuring accurate workpiece positioning and guaranteeing machining accuracy and pass rate.

[0033] The first chuck 34 includes a first chuck cylinder 341 and a plurality of first jaws 342. The first jaws 342 are evenly installed axially at the output end of the first chuck cylinder 341. The first chuck cylinder 341 can drive the first jaws 342 to move radially along the first chuck cylinder 341. The second chuck 35 includes a second chuck cylinder 351 and a plurality of second jaws 352. The second jaws 352 are evenly installed axially at the output end of the second chuck cylinder 351. The second chuck cylinder 351 can drive the second jaws 352 to move radially along the second chuck cylinder 351.

[0034] Both the first jaw 342 and the second jaw 352 are provided with soft pads 37. The soft pads 37 can contact and cooperate with the outer wall of the pipe joint. The soft pads 37 contact the outer peripheral wall of the workpiece. Compared with the direct contact between the first jaw 342 and the second jaw 352, the damage caused by hard contact can be reduced. Furthermore, through the contact between the soft pads 37 and the workpiece, the soft pads 37 will deform, thereby increasing the friction between the soft pads 37 and the workpiece.

[0035] The translation mechanism 1 includes a first driving member 12, a fixed table 11, a sliding block 14, and a drive shaft 13. The first driving member 12 is mounted on the fixed table 11, and the drive shaft 13 is mounted on the output end of the first driving member 12. The sliding block 14 is slidably disposed on the fixed table 11 along a first direction. The sliding block 14 is threadedly engaged with the drive shaft 13. The lifting mechanism 2 is mounted on the sliding block 14. The first driving member 12 drives the drive shaft 13 to rotate, thereby driving the sliding block 14 to move along the first direction, so that the lifting assembly is transferred from above the tray assembly 4 to the machine tool chuck 100.

[0036] The lifting mechanism 2 includes a mounting platform 21, a second drive component 22, and a linear slide 23. The mounting platform 21 is fixedly mounted on the sliding block 14, and the second drive component 22 is fixedly mounted on the mounting platform 21. The linear slide 23 moves along a second direction through the second drive component 22, so that the connecting block 33 is in the first position and the lifting mechanism 2 is above the storage tray assembly 4, and the first chuck 34 can place the processed pipe joint on the storage tray assembly 4; the connecting block 33 is in the second position and the lifting mechanism 2 is above the storage tray 44, and the second chuck 35 can pick up the workpiece to be processed from the storage tray assembly 4.

[0037] The tray assembly 4 includes a fixed base 41, a slide table 42, a tray 44, and a connecting shaft 43. The fixed base 41 is provided with a slide groove 40. The slide table 42 is slidably disposed in the slide groove 40 along a third direction. The tray 44 is mounted on the slide table 42. The third direction is defined as the movement direction of the slide table 42. In this embodiment, it is the Y-axis direction. The connecting shaft 43 is rotatably mounted in the slide groove 40 and extends along the third direction. The fixed base 41 is provided with a third driving member (not shown in the figure) for driving the connecting shaft 43 to rotate. The tray 44 is provided with a plurality of evenly distributed storage slots 440, which correspond to and cooperate with the workpiece to be processed.

[0038] Specific usage: After the device is started, initial positioning is first performed. The first drive member 12 of the translation mechanism 1 drives the drive shaft 13 to rotate, causing the sliding block 14 to move along the first direction (X-axis) to above the placement tray assembly 4. At this time, the connecting block 33 is in the second position, and the second chuck 35 is aligned with the workpiece to be processed on the placement tray 44. The second drive member 22 of the lifting mechanism 2 drives the linear slide 23 to descend along the second direction, and the second chuck cylinder 351 drives the second jaw 352 to retract radially, clamping the workpiece to be processed through the soft pad 37 of the second clamping block. Subsequently, the lifting mechanism 2 rises, and the translation mechanism 1 drives the lifting mechanism 2 to move to the machine tool chuck 100. The lifting mechanism 2 descends, at which point the first chuck 34 is aligned with the workpiece processed on the machine tool chuck 100. Then, the translation mechanism 1 moves a certain distance closer to the machine tool chuck 100, so that the first jaw 342 of the first chuck 34 can clamp the processed workpiece. The first chuck cylinder 341 drives the first jaw 342 to retract radially, clamping the machined workpiece through the soft pad 37 of the first clamping block. The translation mechanism 1 drives the lifting mechanism 2 to move a certain distance away from the machine tool chuck 100, and then the rotary cylinder 32 drives the connecting block 33 to rotate 180° around the output shaft to the first position. At this time, the second chuck 35 (which has clamped the workpiece) turns to a horizontal state and is aligned with the machine tool chuck 100. The workpiece is aligned with the clamping part of the machine tool chuck 100. The translation mechanism 1 drives the lifting mechanism 2 to move a certain distance closer to the side of the machine tool chuck 100, so that the workpiece is transferred to the clamping part of the machine tool chuck 100. The second jaw 352 releases, and the workpiece is placed inside the machine tool chuck 100. At this point, the lifting mechanism 2 rises a certain distance, allowing the piston rod 361 of the linear cylinder 36 to contact the workpiece to be processed. The linear cylinder 36 drives the piston rod 361 to extend, and the push block 362 pushes the workpiece to be processed to the designated processing position, ensuring accurate positioning. Then, the machine tool chuck 100 clamps the workpiece, and the second drive component 22 of the lifting mechanism 2 drives the linear slide 23 to rise along the second direction. The workpiece is then processed by the machine tool. At this time, the translation mechanism 1 drives the lifting mechanism 2 to move away from the machine tool chuck 100, placing it above the storage tray 44. Subsequently, the lifting mechanism 2 drives the first chuck 34 on it to align with the empty storage slot 440 on the storage tray 44, thus placing the processed workpiece into the empty storage slot 440. Thus, the device completes one work cycle and can repeat the above operations.

[0039] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this utility model.

Claims

1. An automatic loading and unloading device for processing hydraulic pipe fittings, comprising a processing station, a transfer station, and a storage station, wherein the transfer station is provided with a transfer mechanism for transferring workpieces between the processing station and the storage station, the transfer mechanism comprising a translation mechanism (1), a lifting mechanism (2), and a clamping mechanism (3), wherein the lifting mechanism (2) is mounted on the translation mechanism (1), the translation mechanism (1) is capable of driving the lifting mechanism (2) to move in a first direction, and the clamping mechanism (3) is mounted on the lifting mechanism (2), the lifting mechanism (2) is capable of driving the clamping mechanism (3) to move in a second direction, characterized in that: The clamping mechanism (3) includes a rotary cylinder (32), a first chuck (34), a second chuck (35), and a linear cylinder (36). The output shaft of the rotary cylinder (32) is equipped with a connecting block (33). The first chuck (34) and the second chuck (35) are both mounted on the connecting block (33). The first chuck (34) is used to clamp the processed workpiece at the processing station, and the second chuck (35) is used to clamp the workpiece to be processed at the storage station. The rotary cylinder (32) can drive the connecting block (33) to rotate around the axis of the output shaft to complete the position exchange between the first chuck (34) and the second chuck (35). The second chuck (35) has a chuck axis (353). The linear cylinder (36) is mounted on the first chuck (34), and the extension and retraction direction of the piston rod (361) of the linear cylinder (36) is parallel to the chuck axis (353).

2. The automatic loading and unloading device for hydraulic pipe fitting processing according to claim 1, characterized in that: The clamping mechanism (3) further includes a fixing block (31), which has an inclined mounting surface (311) that is angled to the direction of movement of the lifting mechanism (2), and the rotary cylinder (32) is mounted on the inclined mounting surface (311).

3. The automatic loading and unloading device for hydraulic pipe fitting processing according to claim 2, characterized in that: The angle between the mounting ramp (311) and the second direction is 45°.

4. The automatic loading and unloading device for hydraulic pipe fitting processing according to claim 1, characterized in that: The connecting block (33) has a first connecting surface (331) and a second connecting surface (332) that are perpendicular to each other. The first chuck (34) is mounted on the first connecting surface (331), and the second chuck (35) is mounted on the second connecting surface (332).

5. The automatic loading and unloading device for hydraulic pipe fitting processing according to claim 1, characterized in that: The first chuck (34) includes a first chuck cylinder (341) and a plurality of first jaws (342). The first jaws (342) are evenly installed along the axial direction at the output end of the first chuck cylinder (341). The second chuck (35) includes a second chuck cylinder (351) and a plurality of second jaws (352). The second jaws (352) are evenly installed along the axial direction at the output end of the second chuck cylinder (351). Both the first jaws (342) and the second jaws (352) are provided with soft pads (37).

6. The automatic loading and unloading device for hydraulic pipe fitting processing according to claim 1, characterized in that: The translation mechanism (1) includes a first driving member (12), a fixed platform (11), a sliding block (14), and a drive shaft (13). The first driving member (12) is mounted on the fixed platform (11), the drive shaft (13) is mounted on the output end of the first driving member (12), the sliding block (14) is slidably disposed on the fixed platform (11) along a first direction, the sliding block (14) is threadedly engaged with the drive shaft (13), and the lifting mechanism (2) is mounted on the sliding block (14).

7. An automatic loading and unloading device for processing hydraulic pipe fittings according to claim 6, characterized in that: The lifting mechanism (2) includes a mounting platform (21), a second driving member (22), and a linear slide (23). The mounting platform (21) is fixedly mounted on the sliding block (14), and the second driving member (22) is fixedly mounted on the mounting platform (21). The linear slide (23) moves along the lifting direction through the second driving member (22).

8. An automatic loading and unloading device for processing hydraulic pipe fittings according to claim 1, characterized in that: The piston rod (361) of the linear cylinder (36) is provided with a push block (362) at its end.

9. An automatic loading and unloading device for processing hydraulic pipe fittings according to claim 1, characterized in that: The storage station is equipped with a storage tray assembly (4), which is used to store workpieces to be processed and processed workpieces.

10. An automatic loading and unloading device for processing hydraulic pipe fittings according to claim 9, characterized in that: The tray assembly (4) includes a fixed base (41), a slide (42) and a tray (44). The fixed base (41) is provided with a slide groove (40). The slide (42) is slidably disposed in the slide groove (40). The tray (44) is installed on the slide (42).

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