Automatic feeding type double-sided press-fitting device

Abstract

The application discloses an automatic feeding type double-sided press-fitting device, which comprises a base (1), and a servo press (2) is supported on the base (1), characterized in that a pressure head switching mechanism (3) is arranged on the shell of the servo press (2), the pressure head switching mechanism (3) is located below the pressing shaft of the servo press (2), a workpiece positioning mechanism (4) is arranged below the pressure head switching mechanism (3) on the base (1), and a first feeding mechanism (5) and a second feeding mechanism (6) are arranged on the left side and the right side of the workpiece positioning mechanism (4).

Description

Technical Field

[0001] This invention relates to the field of automated production and assembly, and in particular to an automatic feeding double-sided pressing device. Background Technology

[0002] When press-fitting various bushing parts to housings, different bushings need to be press-fitted onto the housings separately. Due to the diversity of bushings and their different installation positions and orientations, the traditional operation process involves manually loading the first bushing onto the positioning fixture below the press. Then, the press is operated to press the first bushing onto the housing. The body is then manually removed, its position changed and its orientation flipped, and it is repositioned onto the corresponding fixture. The second bushing is then placed, and the above actions are repeated until the press-fitting is complete.

[0003] The above-described process requires multiple manual interventions, which is not only inefficient but also poses certain safety hazards. Therefore, a method or device is needed to solve these problems. Summary of the Invention

[0004] The present invention addresses the aforementioned shortcomings of existing technologies by proposing an automatic feeding double-sided pressing device that is simple in structure, ingenious in design, highly automated, and can effectively reduce manual labor, improve work efficiency, and reduce safety hazards.

[0005] The technical solution of this invention is: an automatic feeding double-sided pressing device, comprising a base 1, on which a servo press 2 is supported, characterized in that: a pressure head switching mechanism 3 is provided on the housing of the servo press 2, the pressure head switching mechanism 3 is located below the pressure shaft of the servo press 2, a workpiece positioning mechanism 4 is provided on the base 1 below the pressure head switching mechanism 3, and a first feeding mechanism 5 and a second feeding mechanism 6 are provided on the left and right sides of the workpiece positioning mechanism 4.

[0006] The pressure head switching mechanism 3 comprises a switching mechanism connecting plate 7 fixedly connected with the shell of the servo press 2, a pair of horizontally distributed switching mechanism guide rails 8 are arranged on the switching mechanism connecting plate 7, a switching support frame 9 is slidably connected on the switching mechanism guide rails 8, two longitudinally distributed pressure rods 10 are movably connected on the switching support frame 9, a pressure head 11 is arranged at the bottom end of the pressure rod 10, and a connecting seat 12 is arranged at the top end of the pressure rod 10, a T-shaped slot 13 is arranged on the top end surface of the connecting seat 12, and a T-shaped connecting head matched with the T-shaped slot 13 is arranged at the bottom end of the pressure shaft of the servo press 2, two lock cylinders 14 corresponding to the two connecting seats 12 are further arranged on the switching support frame 9, a lock shaft 15 is arranged at the working end of the lock cylinder 14, and the lock shaft 15 is matched with a lock hole arranged on the connecting seat 12, and the switching support frame 9 is connected with the working end of a switching cylinder 39 fixedly connected on the switching mechanism connecting plate 7,

[0007] The workpiece positioning mechanism 4 is provided with a translation mechanism and a lifting mechanism matched with each other,

[0008] The translation mechanism comprises a translation cylinder 16 arranged on the base 1, the translation cylinder 16 is connected with a translation sliding table 17 slidably connected on the base 1, a first workpiece positioning jig 18 and a second workpiece positioning jig 19 are arranged on the translation sliding table 17,

[0009] The base 1 is further provided with a first feeding positioning jig 40 and a second feeding positioning jig 41,

[0010] The lifting mechanism comprises a buffer cylinder 20 arranged on the base 1, the working end of the buffer cylinder 20 is connected with the bottom end surface of a lifting platform 21, guide sleeves are arranged at the four corners of the bottom end surface of the lifting platform 21, the guide sleeves are movably sleeved with guide columns 22 fixedly supported on the base 1, and a plurality of workpiece positioning blocks 23 are arranged on the top end surface of the lifting platform 21,

[0011] The first feeding positioning jig 40 comprises a first positioning column 24,

[0012] The second feeding positioning jig 41 comprises a second positioning column 25, a first positioning support plate 26 is fixedly supported on the second positioning column 25, a posture adjusting cylinder 27 is arranged on the first positioning support plate 26, and a push plate 28 is arranged on the working end of the posture adjusting cylinder 27,

[0013] The first feeding mechanism 5 comprises a first lifting cylinder 29, the working end of the first lifting cylinder 29 is connected with a lifting platform, a first swing cylinder 30 is arranged on the lifting platform, a clamping jaw 31 is arranged at the end of the swing arm of the first swing cylinder 30, and the first workpiece positioning jig 18 and the first positioning column 24 are located within the working range of the clamping jaw 31,

[0014] The second feeding mechanism 6 comprises a second lifting cylinder 32, the working end of which is connected with a lifting platform, and a second swing cylinder 33 is arranged on the lifting platform, the swing arm end of the second swing cylinder 33 is provided with an electromagnet 34, and the second workpiece positioning jig 19 and the second positioning column 25 are both located within the working range of the electromagnet 34.

[0015] The pressing rod 10 is provided with a limiting groove 35 distributed along the length direction thereof, and the limiting groove 35 is in sliding connection with a limiting protrusion arranged on the switching support frame 9.

[0016] The translation slide 17 is provided with a protruding part one, and the base 1 is provided with a translation limiting block 37 matched with the protruding part one.

[0017] The lifting platform 21 is provided with a protruding part two, and the base 1 is provided with a longitudinal limiting block 38 matched with the protruding part two.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The automatic feeding type double-sided press fitting device has the advantages of simple structure, ingenious design, reasonable layout, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic view of the embodiment of the present application.

[0021] Figure 2 It is the partial enlarged view of the pressing head switching mechanism part in the embodiment of the present application.

[0022] Figure 3 It is the side view (cross section) of the pressing head switching mechanism part in the embodiment of the present application.

[0023] Figure 4 This is a partial enlarged view of the workpiece positioning mechanism in an embodiment of the present invention.

[0024] Figure 5 This is a schematic diagram of the working state of the workpiece positioning mechanism in an embodiment of the present invention.

[0025] Figure 6 This is a perspective view of the first feeding mechanism in an embodiment of the present invention (tooling state one).

[0026] Figure 7 This is a perspective view of the first feeding mechanism in an embodiment of the present invention (tooling state two).

[0027] Figure 8 This is a perspective view of the second feeding mechanism in an embodiment of the present invention (tooling state one).

[0028] Figure 9 This is a perspective view of the second feeding mechanism in an embodiment of the present invention (tooling state two).

[0029] Figure 10 This is a schematic diagram of the structure of the first and second feeding positioning fixtures connected to the bushing in an embodiment of the present invention. Detailed Implementation

[0030] Specific embodiments of the present invention will now be described in conjunction with the accompanying drawings. Figures 1 to 10 As shown: An automatic feeding double-sided pressing device includes a base 1 as a foundation, on which a servo press 2 is supported. A pressure head switching mechanism 3 is provided on the housing of the servo press 2, located below the pressure shaft of the servo press 2. A workpiece positioning mechanism 4 is provided on the base 1, located below the pressure head switching mechanism 3. A first feeding mechanism 5 and a second feeding mechanism 6 are provided on the left and right sides of the workpiece positioning mechanism 4.

[0031] The pressure head switching mechanism 3 comprises a switching mechanism connecting plate 7 fixedly connected with the shell of the servo press 2, a pair of horizontally distributed switching mechanism guide rails 8 are arranged on the switching mechanism connecting plate 7, a switching support frame 9 is slidably connected on the switching mechanism guide rails 8, two longitudinally distributed pressure rods 10 are movably connected on the switching support frame 9, a pressure head 11 is arranged at the bottom end of the pressure rod 10, and a connecting seat 12 is arranged at the top end of the pressure rod 10, a T-shaped slot 13 is arranged on the top end surface of the connecting seat 12, and a T-shaped connecting head matched with the T-shaped slot 13 is arranged at the bottom end of the pressure shaft of the servo press 2, two lock cylinders 14 corresponding to the two connecting seats 12 are further arranged on the switching support frame 9, a lock shaft 15 is arranged at the working end of the lock cylinder 14, and the lock shaft 15 is matched with a lock hole arranged on the connecting seat 12, and the switching support frame 9 is connected with the working end of a switching cylinder 39 fixedly connected on the switching mechanism connecting plate 7,

[0032] The workpiece positioning mechanism 4 is provided with a translation mechanism and a lifting mechanism matched with each other,

[0033] The translation mechanism comprises a translation cylinder 16 arranged on the base 1, the translation cylinder 16 is connected with a translation sliding table 17 slidably connected on the base 1, a first workpiece positioning jig 18 and a second workpiece positioning jig 19 are arranged on the translation sliding table 17, and a first feeding positioning jig 40 and a second feeding positioning jig 41 are further arranged on the base 1,

[0034] The lifting mechanism comprises a buffer cylinder 20 arranged on the base 1, the working end of the buffer cylinder 20 is connected with the bottom end surface of a lifting platform 21, guide sleeves are arranged at the four corners of the bottom end surface of the lifting platform 21, the guide sleeves are movably sleeved with guide columns 22 fixedly supported on the base 1, and a plurality of workpiece positioning blocks 23 are arranged on the top end surface of the lifting platform 21,

[0035] The first feeding positioning jig 40 comprises a first positioning column 24,

[0036] The second feeding positioning jig 41 comprises a second positioning column 25, a first positioning support plate 26 is fixedly supported on the second positioning column 25, a posture adjusting cylinder 27 is arranged on the first positioning support plate 26, and a push plate 28 is arranged on the working end of the posture adjusting cylinder 27,

[0037] The first feeding mechanism 5 comprises a first lifting cylinder 29, the working end of the first lifting cylinder 29 is connected with a lifting platform, a first swing cylinder 30 is arranged on the lifting platform, a clamping jaw 31 is arranged at the end of the swing arm of the first swing cylinder 30, and the first workpiece positioning jig 18 and the first positioning column 24 are both located within the working range of the clamping jaw 31,

[0038] The second feeding mechanism 6 comprises a second lifting cylinder 32, the working end of the second lifting cylinder 32 is connected with a lifting platform, a second swing cylinder 33 is arranged on the lifting platform, an electromagnet 34 is arranged at the end of the swing arm of the second swing cylinder 33, and the second workpiece positioning jig 19 and the second positioning column 25 are both located in the working range of the electromagnet 34.

[0039] The pressing rod 10 is provided with a limiting groove 35 distributed along the length direction of the pressing rod 10, and the limiting groove 35 is in sliding connection with a limiting protrusion arranged on the switching support frame 9.

[0040] The translation slide 17 is provided with a protruding part one, and the base 1 is provided with a translation limiting block 37 matched with the protruding part one.

[0041] The lifting platform 21 is provided with a protruding part two, and the base 1 is provided with a longitudinal limiting block 38 matched with the protruding part two.

[0042] The working process of the automatic feeding type double-sided press fitting device is as follows: firstly, the manipulator takes a workpiece needing to be installed with a bushing and places the workpiece on the workpiece positioning mechanism 4; in the workpiece positioning mechanism 4, a plurality of workpiece positioning blocks 23 arranged on the lifting platform 21 form a positioning assembly, which can be used for positioning the workpiece;

[0043] Initially, the workpiece is placed on the positioning assembly in a forward manner, the feeding manipulator of the bushing places a forward bushing on the first feeding positioning jig 40, the first feeding mechanism 5 takes the bushing from the first feeding positioning jig 40 and transports the bushing to the position directly below the pressing head 11, the pressing head 11 is lowered to the position of the upper surface of the bushing under the driving of the servo press, the pressing head 11 is provided with a magnet and can attract the bushing, then the first feeding mechanism 5 moves away to make room, the servo press 2 works to drive the first pressing rod 10 to press down, so that the forwardly placed bushing is press fitted onto the workpiece;

[0044] After all the forward bushings are press fitted, the manipulator lifts the workpiece and flips the workpiece by 180°, and then places the workpiece on the positioning assembly again, at this time, the feeding manipulator of the bushing places a reverse bushing on the second feeding positioning jig 41, the second feeding mechanism 6 takes the bushing from the second feeding positioning jig 41 and transports the bushing to the second workpiece positioning jig 19 in the workpiece positioning mechanism 4, then the second feeding mechanism 6 moves away to make room, the pressing head switching mechanism 3 acts, another pressing rod 10 moves to the state of being connected with the servo press 2, and the servo press 2 drives the pressing rod 10 to press down, so that the reversely placed bushing is press fitted onto the workpiece;

[0045] The working process of the pressure head switching mechanism 3 is as follows: In the initial state, the T-shaped connector at the bottom of the pressure shaft of the servo press 2 is connected to the connecting seat 12 at the top of the first pressure rod 10. At this time, the movement of the pressure shaft will directly drive the first pressure rod 10 downward to realize the pressing operation. When it is necessary to switch to different pressure heads 11, the control system sends a signal to the pressure head switching mechanism 3, and the switching cylinder 39 in the pressure head switching mechanism 3 works, driving the switching support frame 9 to move horizontally relative to the servo press 2. During this process, the connecting seat 12 at the top of the first pressure rod 10 separates from the T-shaped connector, and the connecting seat of the second pressure rod 10 connects to the T-shaped connector, completing the switching operation between the two different pressure heads 11. In the non-working state, the locking cylinder 14 is always pressurized, and the locking shaft 15 is inserted into the locking hole opened on the corresponding connecting seat 12. The pressure rod 10 is in a locked state and cannot be pressed down. Only when the servo press 2 is working will the locking cylinder 14 corresponding to the pressure rod 10 in the state of connection with the pressure shaft of the servo press 2 drive the locking shaft 15 to retract and release the locked state.

[0046] During the press-fitting operation, the translation cylinder 16 drives the translation slide 17 to reciprocate, thereby moving the first workpiece positioning fixture 18 to the press-fitting position or the second workpiece positioning fixture 19 to the press-fitting position. The second workpiece positioning fixture 19 cooperates with the press head 11. These two workpiece positioning fixtures correspond to the two different states of the bushing, namely the forward and reverse directions, thereby realizing the press-fitting of the bushing on the workpiece in the two states.

[0047] During the pressing process, the buffer cylinder 20 is always in a pressure-holding state. When under pressure, the lifting platform 21 will move downward a certain distance to prevent damage to the workpiece due to excessive force between the press head and the workpiece.

[0048] When the bushing is placed on the first positioning post 24 in the first loading and positioning fixture 40, the first lifting cylinder 29 first drives the lifting platform to lift, the first swing cylinder 30 is activated, and the gripper 31 at the end of the swing arm moves to above the first positioning post 24. Then the first lifting cylinder 29 drives the lifting platform to lower, and the gripper 21 moves to the same height as the bushing and clamps the bushing. Then the first lifting cylinder 29 drives the lifting platform to lift again, and the bushing is released from the first positioning post 24. The first swing cylinder 30 swings in the opposite direction, and the gripper 31 drives the bushing to move to above the first workpiece positioning fixture 18 and directly below the pressure head 11. Under the drive of the servo press, the pressure head 11 descends to the upper surface of the bushing. It contains a magnet that can attract the bushing gripper 31 to release. The first swing cylinder swings, and the swing arm returns to the origin, thus realizing the pressing operation of the bushing.

[0049] When the bushing is placed on the second positioning column 25 in the second feeding positioning jig 41, since there is a flat notch at the edge of the current bushing, that is, the bushing is not a complete ring, that is, it has a specific direction, in order to ensure that the bushing is fed in a specific direction during feeding, the posture of the bushing needs to be adjusted first; when the bushing is placed on the second positioning column 25, the posture adjusting cylinder 27 acts to drive the push plate 28 to move towards the direction of the bushing. Since the general direction of the bushing placed on the second positioning column 25 is correct, the push plate 28 will contact the flat notch part of the bushing and push the bushing to rotate. When the push plate 28 moves to the position, the flat notch of the bushing is completely attached to the push plate 28, at this time the direction adjustment of the bushing is completed. Then, the second lifting cylinder 32 first drives the lifting platform to lift up, the second swing cylinder 33 acts, the electromagnet 34 at the end of the swing arm moves to above the second positioning column 25, the lifting platform descends, the electromagnet 34 is electrified to exhibit magnetism and adsorbs the bushing, the lifting platform rises, the second swing cylinder 33 reversely acts, the electromagnet 34 drives the bushing to move to the workpiece mounting position corresponding to the second workpiece positioning jig 19, the electromagnet 34 loses electricity, the bushing falls on the workpiece, the lifting platform rises, and the swing arm moves away, so that the press-fitting operation of the bushing can be realized.

Claims

1. An automatic feeding double-sided pressing device, comprising a base (1), on which a servo press (2) is supported, characterized in that: The servo press (2) is provided with a pressure head switching mechanism (3) on its housing. The pressure head switching mechanism (3) is located below the pressure shaft of the servo press (2). The base (1) is provided with a workpiece positioning mechanism (4) located below the pressure head switching mechanism (3). The left and right sides of the workpiece positioning mechanism (4) are provided with a first feeding mechanism (5) and a second feeding mechanism (6). The pressure head switching mechanism (3) includes a switching mechanism connecting plate (7), which is fixedly connected to the housing of the servo press (2). A pair of horizontally distributed switching mechanism guide rails (8) are provided on the switching mechanism connecting plate (7). A switching support frame (9) is slidably connected on the switching mechanism guide rails (8). Two longitudinally distributed pressure rods (10) are movably connected on the switching support frame (9). A pressure head (11) is provided at the bottom end of the pressure rod (10), and a connecting seat (12) is provided at the top end of the pressure rod (10). The top surface of the connecting seat (12) The upper part is provided with a T-shaped groove (13), and the bottom end of the pressure shaft of the servo press (2) is provided with a T-shaped connector that matches the T-shaped groove (13). The switching support frame (9) is also provided with two locking cylinders (14) that correspond one-to-one with the two connecting seats (12). The working end of the locking cylinder (14) is provided with a locking shaft (15). The locking shaft (15) matches the locking hole opened on the connecting seat (12). The switching support frame (9) is connected to the working end of the switching cylinder (39) that is fixedly connected to the switching mechanism connecting plate (7). The workpiece positioning mechanism (4) is equipped with a matching translation mechanism and a lifting mechanism. The translation mechanism includes a translation cylinder (16) mounted on a base (1), the translation cylinder (16) being connected to a translation slide (17) slidably connected to the base (1), and a first workpiece positioning fixture (18) and a second workpiece positioning fixture (19) being mounted on the translation slide (17). The base (1) is also provided with a first loading positioning fixture (40) and a second loading positioning fixture (41). The lifting mechanism includes a buffer cylinder (20) mounted on the base (1). The working end of the buffer cylinder (20) is connected to the bottom end face of the lifting platform (21). Guide sleeves are provided at the four corners of the bottom end face of the lifting platform (21). The guide sleeves are movably connected to the guide columns (22) fixedly supported on the base (1). Multiple workpiece positioning blocks (23) are provided on the top surface of the lifting platform (21). The first loading and positioning fixture (40) includes a first positioning post (24). The second loading and positioning fixture (41) includes a second positioning column (25), on which a first positioning support plate (26) is fixedly supported. A posture adjustment cylinder (27) is provided on the first positioning support plate (26), and a push plate (28) is provided on the working end of the posture adjustment cylinder (27). The first loading mechanism (5) includes a first lifting cylinder (29), the working end of which is connected to a lifting platform. A first swing cylinder (30) is provided on the lifting platform. A gripper (31) is provided at the end of the swing arm of the first swing cylinder (30). The first workpiece positioning fixture (18) and the first positioning column (24) are both located within the working range of the gripper (31). The second loading mechanism (6) includes a second lifting cylinder (32), the working end of the second lifting cylinder (32) is connected to the lifting platform, a second swing cylinder (33) is provided on the lifting platform, an electromagnet (34) is provided at the end of the swing arm of the second swing cylinder (33), and the second workpiece positioning fixture (19) and the second positioning column (25) are both located within the working range of the electromagnet (34).

2. The automatic feeding double-sided pressing device according to claim 1, characterized in that: The pressure rod (10) has a limiting groove (35) distributed along its length direction, and the switching support frame (9) has a limiting protrusion that is slidably connected to the limiting groove (35).

3. The automatic feeding double-sided pressing device according to claim 1, characterized in that: The translation slide (17) is provided with a protrusion I, and the base (1) is provided with a translation limit block (37) that matches the protrusion I.

4. The automatic feeding double-sided pressing device according to claim 1, characterized in that: The lifting platform (21) is provided with a protrusion 2, and the base (1) is provided with a longitudinal limiting block (38) that matches the protrusion 2.

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