A press machine for assembling a reducer

Abstract

The present invention relates to the field of press-fitting machines, specifically a press-fitting machine for assembling a reducer, which comprises: a turntable, located above a base, a power mechanism for driving the turntable to rotate and lift is arranged on the base, a plurality of connected press-fitting avoidance holes and arc grooves are arranged on the turntable, and a press-fitting adsorption magnetic ring with a notch is arranged at the bottom of the turntable; a plurality of bearing positioning members are arranged on the turntable for placing bearings; a plurality of bearing seat adsorption mechanisms are arranged at the bottom of the turntable for adsorbing bearing seats, and the bearing seat adsorption mechanism is located directly below the bearing positioning member; a bearing seat positioning mechanism is arranged on the base for clamping and positioning the bearing seat on the bearing seat adsorption mechanism; and a press-fitting mechanism for adsorbing the bearing on the bearing positioning member and press-fitting through the press-fitting avoidance holes. The press-fitting process of the present invention has a high degree of automation, does not require manual loading and unloading, is simple to operate, and has high press-fitting efficiency.

Description

Technical Field

[0001] The invention relates to the field of press-fit machines, and in particular to a press-fit machine for assembling a reducer. Background Art

[0002] The scenarios where a press machine is needed in the assembly of reducers usually include: press-fitting of bearings and shafts, press-fitting of gears and bearings, and press-fitting of bearings and bearing seats. In the press-fitting of bearings and bearing seats, the bearing seat needs to be placed in a specific positioning fixture. For a round bearing seat, the positioning fixture is also a corresponding barrel shape. When in use, the bearing seat is placed in the round hole of the positioning fixture, and then the bearing is clamped on the press-fitting head. Finally, the press-fitting head drives the bearing to move downward and press it into the bearing seat. After the press-fitting is completed, the integral part formed is usually stuck in the positioning fixture or brought out by the rising press-fitting head. The operator needs to manually remove the pressed part from the positioning fixture or the press-fitting head. The entire press-fitting process is relatively cumbersome.

[0003] A Chinese patent with announcement number CN209288672U discloses a press machine for a reducer. By providing a mounting ring and a sleeve, pressure is applied to the inner rings of two bearings, thereby reducing the wear of the bearings and improving the press accuracy of the press machine.

[0004] However, the above-mentioned disclosed solutions have the following shortcomings: the pressing process requires manual loading and unloading, which is cumbersome to operate and has low pressing efficiency. Summary of the invention

[0005] The purpose of the present invention is to propose a press machine for assembling a reducer to solve the problems in the background technology that the press-fitting process requires manual loading and unloading, the operation is cumbersome, and the press-fitting efficiency is low.

[0006] The technical solution of the present invention is: a press machine for assembling a reducer, comprising a base, a bearing and a bearing seat, wherein the bearing and the bearing seat are press-fitted to form a press-fitted part; and further comprising:

[0007] The turntable is located above the base. The base is provided with a power mechanism for driving the turntable to rotate and lift. The turntable is provided with a plurality of connected press-fit avoidance holes and arc grooves. A press-fit adsorption magnetic ring with a notch is provided at the bottom of the turntable.

[0008] Bearing positioning pieces, a plurality of which are arranged on the turntable and used to place bearings;

[0009] The bearing seat adsorption mechanism is provided in multiple at the bottom of the turntable for adsorbing the bearing seat, and the bearing seat adsorption mechanism is located directly below the bearing positioning member;

[0010] The bearing seat positioning mechanism is arranged on the base and is used to clamp and position the bearing seat on the bearing seat adsorption mechanism;

[0011] And a press-fitting mechanism is used for adsorbing the bearing on the bearing positioning member and press-fitting through the press-fitting avoidance hole.

[0012] Preferably, the bearing locating member is a bearing limiting cylinder, the top of the inner wall of the bearing limiting cylinder is provided with a guide fillet, and the inner diameter of the bearing limiting cylinder is larger than the maximum diameter of the bearing.

[0013] Preferably, it also includes a bearing feeding mechanism and a bearing seat feeding mechanism, the bearing feeding mechanism places the bearing into the bearing positioning member, and the bearing seat feeding mechanism transports the bearing seat to directly below the bearing seat adsorption mechanism.

[0014] Preferably, the bearing seat adsorption mechanism is a bearing seat adsorption magnet, and the bearing seat adsorption magnet is located inside the bearing seat and adsorbs the bearing seat by magnetic force.

[0015] Preferably, the power mechanism includes a hydraulic device arranged on the base through a fixed seat, a lifting plate arranged on the top of the telescopic end of the hydraulic device, a support column rotatably arranged on the lifting plate, and a rotating module arranged on the lifting plate to drive the support column to rotate, and the turntable is arranged on the top of the support column.

[0016] Preferably, the bearing seat positioning mechanism includes a vertical rod arranged on the base, a support plate arranged on the top of the vertical rod, guide rods arranged on both sides of the support plate, and two semicircular rings sliding along the guide rods, and elastic interlayers are arranged on the inner walls of the semicircular rings; a power module is arranged on the vertical rod to control the separation and splicing of the two semicircular rings.

[0017] Preferably, an automatic unloading mechanism is provided on the base, and the automatic unloading mechanism peels the press-fitted part off the press-fitted part adsorption magnetic ring.

[0018] Preferably, the press-fitting mechanism includes a press-fitting bracket arranged on the base, a press-fitting device vertically arranged on the press-fitting bracket, a centering rod arranged at the bottom of the telescopic end of the press-fitting device, a press-fitting ring arranged on the peripheral wall of the centering rod, and a bearing adsorption magnetic ring arranged on the centering rod, the bearing adsorption magnetic ring is located in the press-fitting ring, and the press-fitting ring is pressed on the outer ring of the bearing.

[0019] Compared with the prior art, the present invention has the following beneficial technical effects:

[0020] 1. By rising the turntable and cooperating with the conveyor line of the bearing, the bearing is automatically placed in the bearing limit cylinder to complete the automatic loading of the bearing; by descending the turntable and cooperating with the conveyor line, the bearing seat is automatically adsorbed on the bottom of the turntable to complete the automatic loading of the bearing seat.

[0021] 2. The arc groove restricts the press-fit parts so that they can automatically detach from the centering rod to prevent them from getting stuck on the centering rod. Combined with the subsequent baffle and guide trough, the automatic unloading of the press-fit parts can be completed.

[0022] 3. By setting up the press-fitting mechanism, the bearing on the bearing limit cylinder can be automatically adsorbed and then automatically pressed.

[0023] 4. When the bearing is loaded, the bearing is transferred to the press-fitting mechanism at the same time. When the bearing seat is loaded, the bearing seat is transferred to the bearing seat positioning mechanism at the same time, and the press-fitting efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 , Figure 2 and Figure 3 Each of them is a stereogram of an embodiment of the present invention;

[0025] Figure 4 for Figure 1 Schematic diagram of some structures;

[0026] Figure 5 It is a structural schematic diagram of the press-fitting mechanism.

[0027] Figure numerals: 1, base; 2, turntable; 3, fixed seat; 4, hydraulic device; 5, lifting plate; 6, cylinder; 7, support column; 8, motor mounting seat; 9, motor; 10, driving gear; 11, driven gear; 12, bearing limit cylinder; 13, bearing; 14, bearing seat adsorption magnet; 15, support frame; 16, bearing unloading barrel; 17, conveyor line; 18, bearing seat; 19, press-fit avoidance hole; 20, Arc groove; 21. Press-fitted part adsorption magnetic ring; 22. Vertical rod; 23. Support plate; 24. Semicircular ring; 25. Round table; 26. Slide groove; 27. Sliding block; 28. Support rod; 29. ​​Guide rod; 30. Lifting device; 31. Elastic interlayer; 32. Material guide trough; 33. Baffle; 34. Press-fitted bracket; 35. Press-fitting device; 36. Centering rod; 37. Bearing adsorption magnetic ring; 38. Press-fitting ring; 39. Press-fitted part. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1-Figure 3 As shown, the present invention provides a press machine for assembling a reducer, comprising a base 1, a bearing 13 and a bearing seat 18, wherein the bearing 13 and the bearing seat 18 are press-fitted to form a press-fitted part 39; and further comprising:

[0029] The turntable 2 is located above the base 1. The base 1 is provided with a power mechanism for driving the turntable 2 to rotate and lift. The turntable 2 is provided with a plurality of connected press-fit avoidance holes 19 and arc-shaped grooves 20. Specifically, the press-fit avoidance holes 19 and the arc-shaped grooves 20 are evenly distributed in a plurality of groups along the circumferential direction. In this embodiment, three press-fit avoidance holes 19 and three arc-shaped grooves 20 are provided. A press-fit adsorption magnetic ring 21 with a notch is provided at the bottom of the turntable 2. The notch is located directly below the arc-shaped groove 20 and the size of the notch is not less than the width of the arc-shaped groove 20.

[0030] A plurality of bearing positioning members are provided on the turntable 2 for placing the bearing 13; the bearing positioning member is a bearing limiting cylinder 12, the top of the inner wall of the bearing limiting cylinder 12 is provided with a guide fillet, and the inner diameter of the bearing limiting cylinder 12 is larger than the maximum diameter of the bearing 13;

[0031] The bearing seat adsorption mechanism is provided with multiple ones at the bottom of the turntable 2, which are used to adsorb the bearing seat 18. The bearing seat adsorption mechanism is located directly below the bearing positioning member. It is necessary to ensure that the bearing 13 and the bearing seat 18 are coaxial. In the clockwise direction, the bearing positioning member, the press-fit avoidance hole 19 and the arc groove 20 are distributed in sequence; the bearing seat adsorption mechanism is a bearing seat adsorption magnet 14, which is located in the bearing seat 18 and adsorbs the bearing seat 18 by magnetic force;

[0032] The bearing seat positioning mechanism is arranged on the base 1 and is used to clamp and position the bearing seat 18 on the bearing seat adsorption mechanism. After the bearing seat 18 is clamped, it is separated from the bearing seat adsorption mechanism.

[0033] and a press-fitting mechanism, which is used to absorb the bearing 13 on the bearing locating member and pass through the press-fitting avoidance hole 19 for press-fitting. After press-fitting, the turntable 2 rotates, and part of the press-fitting mechanism enters the arc groove 20. The turntable 2 moves downward and presses on the press-fitting member 39. Then the press-fitting mechanism moves upward. Under the restriction of the turntable 2, the press-fitting member 39 is kept in the bearing seat locating mechanism. Finally, the bearing seat locating mechanism releases the bearing seat 18, and the press-fitting member 39 is adsorbed by the press-fitting member adsorption magnetic ring 21.

[0034] The press-fitting process is as follows: the turntable 2 rises, one bearing locating member loads the bearing 13, and the bearing 13 in the other bearing locating member is adsorbed by the press-fitting mechanism, then the turntable 2 descends, one bearing seat adsorption mechanism adsorbs the bearing seat 18 for loading, and the bearing seat 18 on the other bearing seat adsorption mechanism is clamped and detached by the bearing seat positioning mechanism, and the bearing seat 18 is positioned by the bearing seat positioning mechanism, then the turntable 2 rises, resets, and rotates the set angle. For this embodiment, in the case of three sets of bearing locating members, the single rotation angle is forty degrees, and the press-fitting The mechanism carries the bearing 13 through the press-fit avoidance hole 19 to press-fit the bearing 13 and the bearing seat 18. After the press-fitting is in place, the turntable 2 rotates to a set angle and presses down on the press-fit part 39. The press-fitting mechanism moves up and resets, and then the turntable 2 moves up and resets. At this time, the press-fit part 39 is adsorbed on the press-fit part adsorption magnetic ring 21. Then the turntable 2 rotates to a set angle to unload the press-fit part 39. The unloading can be done manually, or a specially matched unloading structure can be set. During the entire press-fitting process, the fixed-angle rotation and fixed-distance lifting of the turntable 2 are conventional technologies, so they are not described in detail. It should be noted that a control system is also provided to control the coordinated work of various electrical components.

[0035] Embodiment 2, as Figure 1 and Figure 2As shown, the present invention proposes a press machine for assembling a reducer. Compared with the first embodiment, this embodiment further introduces related structures of automatic loading and unloading.

[0036] Specifically, it includes a bearing loading mechanism and a bearing seat loading mechanism. The bearing loading mechanism places the bearing 13 into the bearing positioning piece, and the bearing seat loading mechanism transports the bearing seat to the bottom of the bearing seat adsorption mechanism. Specifically, the bearing loading mechanism includes a support frame 15 arranged on the base 1 and a bearing discharge barrel 16 arranged on the support frame 15. The bearing discharge barrel 16 is located directly above the bearing positioning piece, and cooperates with the bearing conveyor line to place the bearings 13 into the bearing discharge barrel 16 one by one, so that the bearings fall into the bearing positioning piece. The bearing seat loading mechanism is a conveyor line 17, and bearing seats 18 are placed at equal distances on the conveyor line 17. The conveyor line 17 cooperates with the set distance for each movement to transport a bearing seat 18 to the bottom of the bearing seat adsorption mechanism. Automatic loading is achieved through the cooperation of the bearing loading mechanism and the bearing seat loading mechanism.

[0037] An automatic unloading mechanism is provided on the base 1, and the automatic unloading mechanism peels the press-fitted part 39 off the press-fitted part adsorption magnetic ring 21; specifically, the automatic unloading mechanism includes a guide groove 32 obliquely arranged on the base 1, and baffles 33 arranged on both sides of the top of the guide groove 32. The baffle 33 on one side is lower, and is used to allow the press-fitted part 39 to rotate to the top of the guide groove 32, and the baffle 33 on the other side is higher, and is used to block the press-fitted part 39 and make it fall off from the press-fitted part adsorption magnetic ring 21, thereby completing automatic unloading as the turntable 2 rotates.

[0038] Embodiment three, as Figure 1 and Figure 2 As shown, the present invention proposes a press machine for assembling a reducer. Compared with the first or second embodiment, this embodiment introduces the structure of the power mechanism in detail.

[0039] The power mechanism includes a hydraulic device 4 arranged on the base 1 through a fixed seat 3, a lifting plate 5 arranged on the top of the telescopic end of the hydraulic device 4, a support column 7 rotatably arranged on the lifting plate 5, and a rotating module arranged on the lifting plate 5 to drive the support column 7 to rotate, and the turntable 2 is arranged on the top of the support column 7; the rotating module includes a motor mounting seat 8 arranged on the lifting plate 5, a motor 9 arranged on the motor mounting seat 8, a driving gear 10 arranged on the output shaft of the motor 9, and a driven gear 11 arranged on the support column 7, and the driven gear 11 is meshed with the driving gear 10; the control system is controlled and connected with the motor 9 and the hydraulic device 4, and the motor 9 is an encoder motor, which is convenient for controlling the rotation angle each time; in an optional embodiment, a cylinder 6 is arranged on the lifting plate 5, the support column 7 is inserted into the cylinder 6, and a plurality of bearings are arranged between the support column 7 and the cylinder 6; in addition, in order to improve the support stability of the lifting plate 5, a plurality of guide round rods are arranged at the bottom of the lifting plate 5, and a plurality of guide holes for the guide round rods to pass through are arranged on the base 1.

[0040] Embodiment 4, as Figure 4 As shown, the present invention proposes a press machine for assembling a reducer. Compared with the first embodiment, the second embodiment or the third embodiment, this embodiment introduces the structure of the bearing seat positioning mechanism in detail.

[0041] The bearing seat positioning mechanism includes a vertical rod 22 arranged on the base 1, a support plate 23 arranged on the top of the vertical rod 22, guide rods 29 arranged on both sides of the support plate 23, and two semicircular rings 24 sliding along the guide rods 29. The inner walls of the semicircular rings 24 are provided with elastic interlayers 31. After the two semicircular rings 24 are assembled, the bearing seat 18 is clamped by the elastic interlayer 31 to make it detach from the bearing seat adsorption mechanism; a power module is provided on the vertical rod 22 to control the separation and assembly of the two semicircular rings 24; specifically, the power module includes a sliding A truncated platform 25 is arranged on the vertical rod 22, sliding grooves 26 are arranged on both sides of the truncated platform 25, two sliders 27 are slidably arranged in the two sliding grooves 26, and a support rod 28 is vertically arranged on the slider 27, and the top of the support rod 28 is connected to the bottom of the semicircular ring 24; a lifting device 30 is arranged on the base 1 to drive the truncated platform 25 to move up and down, and the control system is controlled and connected to the lifting device 30; when the truncated platform 25 moves upward, the two semicircular rings 24 move away from each other, and when the truncated platform 25 moves downward, the two semicircular rings 24 are combined.

[0042] Embodiment 5, as Figure 3 and Figure 5 As shown, the present invention proposes a press machine for assembling a reducer. Compared with the first embodiment, this embodiment introduces the structure of the press mechanism in detail.

[0043] In this embodiment, the press-fitting mechanism includes a press-fitting bracket 34 arranged on the base 1, a press-fitting device 35 vertically arranged on the press-fitting bracket 34, a centering rod 36 arranged at the bottom of the telescopic end of the press-fitting device 35, a press-fitting ring 38 arranged on the peripheral wall of the centering rod 36, and a bearing adsorption magnetic ring 37 arranged on the centering rod 36, the bearing adsorption magnetic ring 37 is located in the press-fitting ring 38, and the press-fitting ring 38 is pressed on the outer ring of the bearing 13; in order to enable the centering rod 36 to be smoothly inserted into the middle hole of the bearing 13, a guide fillet is set at the bottom of the centering rod 36, the position of the bearing 13 is positioned by the centering rod 36, the bearing 13 is sucked up by the bearing adsorption magnetic ring 37, and the position of the bearing 13 is transferred, which is convenient for subsequent automatic press-fitting; the width of the arc groove 20 is greater than the press-fitting ring 38, so that the press-fitting device 35 can be smoothly moved up and reset, and the width of the arc groove 20 also needs to be smaller than the maximum diameter of the press-fitting part 39 to ensure that the turntable 2 can press the press-fitting part 39 to separate it from the centering rod 36.

[0044] In summary, when the present invention is in use, the hydraulic device 4 pushes the turntable 2 to rise, a bearing limit cylinder 12 is used to load the bearing 13, and the bearing 13 in the other bearing limit cylinder 12 is adsorbed by the bearing adsorption magnetic ring 37, and then the turntable 2 descends, and a bearing seat adsorption magnet 14 adsorbs the bearing seat 18 for loading, and the bearing seat 18 on the other bearing seat adsorption magnet is clamped and detached by the two semicircular rings 24, and the positioning of the bearing seat 18 is completed by the support plate 23 and the two semicircular rings 24, and then the turntable 2 rises, resets and rotates to a set angle. For the present invention, three sets of bearing positioning members In the case of , the single rotation angle is 40 degrees. The press-fitting mechanism carries the bearing 13 through the press-fitting avoidance hole 19 to press-fit the bearing 13 and the bearing seat 18. After the press-fitting is in place, the two semicircular rings 24 move away from each other to release the press-fitting part 39. The turntable 2 rotates to a set angle and presses down on the press-fitting part 39. The press-fitting device 35 moves up and resets, and then the turntable 2 moves up and resets. At this time, the press-fitting part 39 is adsorbed on the press-fitting part adsorption magnetic ring 21, and then the turntable 2 rotates to a set angle. The press-fitting part 39 is blocked by the baffle 33 and falls off from the press-fitting part adsorption magnetic ring 21 and slides out along the guide groove 32 to complete automatic unloading. During the entire press-fitting process, the operator does not need to manually load and unload materials, and the press-fitting efficiency is high.

[0045] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A press machine for assembling a reducer, comprising a base (1), a bearing (13) and a bearing seat (18), wherein the bearing (13) and the bearing seat (18) are press-fitted to form a press-fitted part (39); characterized in that: Also includes: A turntable (2) is located above the base (1), and a power mechanism for driving the turntable (2) to rotate and rise and fall is arranged on the base (1). A plurality of connected press-fit avoidance holes (19) and arc-shaped grooves (20) are arranged on the turntable (2), and a press-fit adsorption magnetic ring (21) with a notch is arranged at the bottom of the turntable (2), wherein the notch is located directly below the arc-shaped groove (20) and the size of the notch is not less than the width of the arc-shaped groove (20); A plurality of bearing positioning members are provided on the turntable (2) and are used to place bearings (13); A plurality of bearing seat adsorption mechanisms are provided at the bottom of the turntable (2) and are used to adsorb the bearing seat (18), and the bearing seat adsorption mechanisms are located directly below the bearing positioning member; A bearing seat positioning mechanism, disposed on the base (1), and used to clamp and position the bearing seat (18) on the bearing seat adsorption mechanism; and a press-fitting mechanism, used for adsorbing the bearing (13) on the bearing positioning member and press-fitting the bearing through the press-fitting avoidance hole (19); The bearing seat positioning mechanism comprises a vertical rod (22) arranged on a base (1), a support plate (23) arranged on the top of the vertical rod (22), guide rods (29) arranged on both sides of the support plate (23), and two semicircular rings (24) sliding along the guide rods (29), and elastic interlayers (31) are arranged on the inner walls of the semicircular rings (24); a power module is arranged on the vertical rod (22) to control the separation and combination of the two semicircular rings (24); An automatic unloading mechanism is provided on the base (1), and the automatic unloading mechanism peels the press-fitted part (39) off the press-fitted part adsorption magnetic ring (21). The automatic unloading mechanism comprises a material guide groove (32) obliquely provided on the base (1), and baffles (33) provided on both sides of the top of the material guide groove (32), one side of the baffle (33) is lower, so as to allow the press-fitted part (39) to rotate to the top of the material guide groove (32), and the other side of the baffle (33) is higher; The press-fitting mechanism comprises a press-fitting bracket (34) arranged on the base (1), a press-fitting device (35) vertically arranged on the press-fitting bracket (34), a centering rod (36) arranged at the bottom of the telescopic end of the press-fitting device (35), a press-fitting ring (38) arranged on the peripheral wall of the centering rod (36), and a bearing adsorption magnetic ring (37) arranged on the centering rod (36), the bearing adsorption magnetic ring (37) being located in the press-fitting ring (38), the press-fitting ring (38) being pressed on the outer ring of the bearing (13), the arc groove (20) having a width greater than the press-fitting ring (38), and the width of the arc groove (20) also needs to be smaller than the maximum diameter of the press-fitting part (39).

2. The press machine for assembling a reducer according to claim 1, characterized in that: The bearing positioning member is a bearing limiting cylinder (12), the top of the inner wall of the bearing limiting cylinder (12) is provided with a guide fillet, and the inner diameter of the bearing limiting cylinder (12) is greater than the maximum diameter of the bearing (13).

3. The press machine for assembling a reducer according to claim 1, characterized in that: It also includes a bearing loading mechanism and a bearing seat loading mechanism. The bearing loading mechanism places the bearing (13) into the bearing positioning member, and the bearing seat loading mechanism transports the bearing seat to the position directly below the bearing seat adsorption mechanism.

4. The press machine for assembling a speed reducer according to claim 1, characterized in that: The bearing seat adsorption mechanism is a bearing seat adsorption magnet (14), and the bearing seat adsorption magnet (14) is located in the bearing seat (18) and adsorbs the bearing seat (18) through magnetic force.

5. The press machine for assembling a speed reducer according to claim 1, characterized in that: The power mechanism comprises a hydraulic device (4) arranged on a base (1) via a fixed seat (3), a lifting plate (5) arranged on the top of the telescopic end of the hydraulic device (4), a support column (7) rotatably arranged on the lifting plate (5), and a rotating module arranged on the lifting plate (5) for driving the support column (7) to rotate, and the rotating plate (2) is arranged on the top of the support column (7).

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