Rounding device for outer diameter of outer ring of needle bearing

Abstract

The utility model relates to the technical field of bearings, in particular to a punching outer ring needle roller bearing outer diameter rounding device which comprises a conveying mechanism, an upper die component, a lower die component, a moving mechanism and a conveying platform which are arranged on a platform, and the conveying platform is provided with a fault used for arranging the lower die component. The moving mechanism is used for moving the needle bearing from the conveying mechanism to the conveying platform and the lower die component; the upper die component is right opposite to the lower die component, and the upper die component is matched with the lower die component to press the needle bearing into the lower die component, so that the outer ring of the needle bearing is rounded. According to the automatic feeding and discharging device, automatic feeding and discharging and rounding of the needle bearing can be achieved, the roundness of an outer ring of the needle bearing is guaranteed, and the device is high in efficiency and automation degree.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a device for rounding the outer diameter of an outer ring of a needle roller bearing. Background Art

[0002] Needle roller bearings are roller bearings with cylindrical rollers, which are thin and long relative to their diameter. Such rollers are called needle rollers. Despite their small cross-section, the bearings still have a high load-bearing capacity. Needle roller bearings are equipped with thin and long rollers. After loading the cage in the outer ring, the rollers need to be loaded on the cage. After installation, the outer ring will be deformed. In addition, the existing method is to manually install the needle rollers and inspect their appearance, which is inefficient, low in automation, and labor-intensive. Utility Model Content

[0003] The utility model aims to solve the above defects and provides a device for rounding the outer diameter of the outer ring of a needle roller bearing.

[0004] In order to overcome the defects existing in the background technology, the technical solution adopted by the utility model to solve its technical problems is: a device for rounding the outer diameter of the outer ring of a needle roller bearing, comprising a conveying mechanism, an upper mold component, a lower mold component, a moving mechanism and a conveying platform arranged on a platform, and a fault for arranging the lower mold component is provided on the conveying platform; the moving mechanism is used to move the needle roller bearing from the conveying mechanism to the conveying platform and the lower mold component; the upper mold component is opposite to the lower mold component, and the upper mold component cooperates with the lower mold component to press the needle roller bearing into the lower mold component to round the outer ring of the needle roller bearing.

[0005] A further improvement includes providing a fault on the conveying platform for arranging a flipping mechanism, wherein the flipping mechanism is located on the side where the needle bearing enters the lower mold component, and the conveying mechanism is provided with a detection mechanism for detecting the inner diameter of the needle bearing.

[0006] A further improvement includes providing a fault on the conveying platform for arranging a turnover mechanism, wherein the turnover mechanism is located on both sides of the lower mold component.

[0007] A further improvement includes that the conveying mechanism is located at both ends of the conveying platform, and the ends of the conveying mechanism are located in the axial direction of the conveying platform, and the conveying mechanism is arranged perpendicular to the conveying platform.

[0008] A further improvement includes that the conveying mechanism includes a fixed table, a driving motor and a bracket, the bracket is connected to the side of the fixed table, fixed plates are respectively arranged on the sides at both ends of the fixed table, rollers are rotatably arranged between the fixed plates, a transmission belt is sleeved between the rollers to enable the transmission belt to move on the fixed table, and the rotating shaft at one end of the roller is connected to the output end of the driving motor installed on the fixed plate.

[0009] A further improvement includes providing a stopper on a fixed plate at the output end of the conveying mechanism.

[0010] A further improvement includes providing guide plates on both sides of the fixed platform for guiding the needle bearings during transportation.

[0011] A further improvement includes that the detection mechanism includes a fixing accessory and a visual acquisition device installed on the fixing accessory.

[0012] A further improvement includes that the moving mechanism includes an X-axis moving component and a Y-axis moving component, the Y-axis moving component is installed on the X-axis moving component to drive the Y-axis moving component to move horizontally, the Y-axis moving component is connected to the clamping plate fixing plate to drive the clamping plate fixing plate to move longitudinally, and the clamping plate fixing plate is equidistantly connected to a plurality of transmission clamping plates for driving the needle bearing to move axially on the conveying platform,

[0013] A further improvement includes providing an opening on the transmission clamping plate for accommodating the needle roller bearing, so that the needle roller bearing can be inserted into the opening to drive the needle roller bearing to translate on the conveying platform.

[0014] A further improvement includes that the opening is preferably rectangular or isosceles trapezoidal.

[0015] A further improvement includes providing a limit strip on the conveying platform for cooperating with the transmission clamp plate to tighten the needle bearing.

[0016] Further improvements include the upper mold component comprising a mounting seat installed on the platform, a connecting seat connected to the side of the mounting seat, and an up and down lifting mechanism installed on the top of the connecting seat, the output end of the up and down lifting mechanism passes downward through the connecting seat and is connected to the connecting shaft and the connecting block in sequence, and the lower end of the connecting block is connected to the upper mold column facing the lower mold component.

[0017] A further improvement includes providing a slide rail on the mounting seat, a slider slidably provided on the slide rail, and the slider is connected to the connecting block.

[0018] A further improvement includes connecting the output end of the up and down lifting mechanism to the connecting shaft via a coupling.

[0019] Further improvements include the lower mold component comprising a lower mold base and a cylinder mounted on a platform, the lower mold base having an axially opened lower mold hole corresponding to and matching the upper mold column, the lower mold column being embedded in the lower mold hole, the lower mold column extending downward through the platform and connected to the output end of the cylinder.

[0020] The cylinder is arranged below the platform through a connecting column.

[0021] A further improvement includes providing the lower die column with a limiting protrusion for limiting the maximum limit and the minimum limit of the cylinder output.

[0022] A further improvement includes the limiting protrusion being located between the cylinder and the platform.

[0023] The beneficial effects of the utility model are as follows: the design realizes automatic loading and unloading and rounding of needle roller bearings through the conveying mechanism, the upper die member, the lower die member, the moving mechanism and the conveying platform, thereby ensuring the roundness of the outer ring, and the device has high efficiency and automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 The utility model is a side view of the shaft Figure 1 ;

[0026] Figure 2 It is the front view of the utility model;

[0027] Figure 3 yes Figure 2 Middle BB section view;

[0028] Figure 4 yes Figure 2 Middle AA section view;

[0029] Figure 5 The utility model is a side view of the shaft Figure 2 ;

[0030] Figure 6 The utility model is a side view of the shaft Figure 3 ;

[0031] Figure 7 It is an axial side view of the upper mold component in the utility model;

[0032] Figure 8 It is an axial side view of the conveying mechanism in the utility model;

[0033] Fig. 9 It is a top view of the conveying mechanism in the utility model;

[0034] Fig.10This is the assembly drawing of the lower mold component of the utility model;

[0035] In the figure, 1-up and down lifting mechanism, 2-connecting seat, 3-mounting seat, 4-flipping mechanism, 5-conveying mechanism, 6-visual acquisition device, 7-fixing accessories, 8-X-axis moving component, 9-Y-axis moving component, 10-clamp fixing plate, 11-transmission clamping plate, 12-platform, 13-needle bearing, 14-connecting block, 15-connecting column, 16-limiting protrusion, 17-cylinder, 18-upper mold column, 19-coupling, 20-conveying platform, 21-limiting strip, 22-slider, 23-slide rail, 24-lower mold column, 25-lower mold seat, 26-connecting shaft, 27-lower mold hole, 501-driving motor, 502-guide plate, 503-transmission belt, 504-stopper, 505-bracket, 506-fixed plate, 507-fixed table, 508-drum. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The embodiments in the basic utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] according to Figure 1 , Figure 2 , Figure 5 , Figure 6 As shown, a device for rounding the outer diameter of the outer ring of a needle roller bearing comprises a conveying mechanism 5, an upper mold member, a lower mold member, a moving mechanism and a conveying platform 20 arranged on a platform 12, wherein the conveying platform 20 is provided with a section for arranging the lower mold member; the moving mechanism is used to move the needle roller bearing 13 from the conveying mechanism 5 to the conveying platform 20 and the lower mold member; the upper mold member is opposite to the lower mold member, and the upper mold member cooperates with the lower mold member to press the needle roller bearing 13 into the lower mold member so as to round the outer ring of the needle roller bearing 13.

[0038] This design realizes automatic loading and unloading and rounding of the needle roller bearing 13 through the conveying mechanism 5, the upper mold component, the lower mold component, the moving mechanism and the conveying platform 20 to ensure the roundness of the outer ring. This device has high efficiency and automation.

[0039] according to Figure 3As shown, a section for arranging a flipping mechanism 4 is provided on the conveying platform 20, and the flipping mechanism 4 is located on the side where the needle roller bearing 13 enters the lower mold component or on both sides of the lower mold component, and the flipping mechanism 4 is located on the side where the needle roller peripheral bearing 13 enters the lower mold component. The flipping mechanism 4 can rotate the needle roller bearing 13, so that the needle roller bearing 13 is flipped before the rounding process to ensure that the engraved end face of the needle roller bearing 13 faces upward; the flipping mechanism 4 is located on both sides of the lower mold component, so that the needle roller bearing 13 can be flipped before and after the rounding step, so that the engraved end face of the needle roller bearing 13 faces upward, which is convenient for subsequent processes, and the conveying mechanism 5 is provided with a detection mechanism for detecting the inner diameter of the needle roller bearing 13.

[0040] The conveying mechanism 5 is located at both ends of the conveying platform 20, and the ends of the conveying mechanism 5 are located in the axial direction of the conveying platform 20, and the conveying mechanism 5 is arranged vertically to the conveying platform 20. The conveying mechanism 5 conveys the needle roller bearing 13 to the axial direction of the conveying platform 20, and moves the needle roller bearing 13 to the conveying platform 20, the flipping mechanism 4 and the lower mold component through the moving mechanism, and then moves the needle roller bearing 13 to the conveying mechanism 5 on the other side through the moving mechanism to realize output, thereby realizing automatic loading and unloading.

[0041] according to Figure 8 and Fig. 9 As shown, the conveying mechanism 5 includes a fixed platform 507, a driving motor 501 and a bracket 505, the bracket 505 is connected to the side of the fixed platform 507 for supporting the fixed platform 507, fixed plates 506 are respectively arranged on the sides of both ends of the fixed platform 507, a roller 508 is rotatably arranged between the fixed plates 506, a transmission belt 503 is sleeved between the rollers 508 to enable the transmission belt 503 to move on the fixed platform 507, thereby driving the needle bearing 13 placed on the transmission belt 503 to move, the rotating shaft at one end of the roller 508 is connected to the output end of the driving motor 501 installed on the fixed plate 506, and the roller 508 is driven to rotate by the driving motor 501, and the needle bearing 13 is conveyed in this way.

[0042] A stopper 504 is provided on the fixed plate 506 at the output end of the conveying mechanism 5 , and the stopper 504 is used to prevent the needle bearing 13 from sliding off the transmission belt 503 .

[0043] Guide plates 502 for guiding the needle roller bearings 13 being transported are respectively provided on both sides of the fixed platform 507 , and the needle roller bearings 13 can be transported forward one by one through the guide plates 502 .

[0044] according to Figure 1As shown, the detection mechanism includes a fixing accessory 7 and a visual acquisition device 6 installed on the fixing accessory 7, and the visual acquisition device 6 can visually identify the inner diameter of the outer ring opening of the needle roller bearing 13, and determine the front and back sides of the needle roller bearing 13 by judging the size of the inner diameter of the outer ring opening of the needle roller bearing 13.

[0045] according to Figure 1 and Figure 3 As shown, the moving mechanism includes an X-axis moving component 8 and a Y-axis moving component 9, the Y-axis moving component 9 is installed on the X-axis moving component 8 to drive the Y-axis moving component 9 to move horizontally, and the Y-axis moving component 9 is connected to the clamping plate fixing plate 10 to drive the clamping plate fixing plate 10 to move longitudinally, and a number of transmission clamping plates 11 for driving the needle roller bearing 13 to move axially on the conveying platform 20 are equidistantly connected to the clamping plate fixing plate 10. Through this implementation, this design enables the transmission clamping plate 11 to reciprocate and drive the needle roller bearing 13 to move forward in sequence, so that the needle roller bearing 13 moves forward into the flipping station and the rounding station in sequence, and the needle roller bearing 13 is rotated by the flipping mechanism 4 to ensure that the engraved end face of the needle roller bearing 13 faces upward, and the needle roller bearing 13 is punched into the lower mold component through the upper mold component to perform outer ring rounding.

[0046] The transmission clamping plate 11 is provided with an opening for accommodating the needle bearing 13 , so that the needle bearing 13 is inserted into the opening to drive the needle bearing 13 to translate on the conveying platform 20 . The opening is preferably rectangular or isosceles trapezoidal.

[0047] according to Figure 3 As shown, the conveying platform 20 is provided with a limit bar 21 for cooperating with the transmission clamp plate 11 to tighten the needle bearing 13. The limit bar 21 can ensure the stability of the needle bearing 13 when it moves forward, and the limit bar 21 has a guiding function.

[0048] according to Figure 4 and Figure 7 As shown, the upper mold component includes a mounting seat 3 installed on the platform 12, a connecting seat 2 connected to the side of the mounting seat 3, and an up-and-down lifting mechanism 1 installed on the top of the connecting seat 2. The up-and-down lifting mechanism 1 is preferably a pneumatic rod or an electric push rod. The output end of the up-and-down lifting mechanism 1 passes downward through the connecting seat 2 and is connected to the connecting shaft 26 and the connecting block 14 in sequence. The lower end of the connecting block 14 is connected to an upper mold column 18 facing the lower mold component. The connecting block 14 and the upper mold column 18 are driven by the up-and-down lifting mechanism 1 to move up and down for stamping. The upper mold column 18 pushes the needle bearing 13 to press it into the lower mold component.

[0049] A slide rail 23 is arranged on the mounting seat 3, a slider 22 is slidably arranged on the slide rail 23, the slider 22 is connected to the connecting block 14, and the connecting block 14 is lifted up and down while the slider 22 is lifted up and down together. This structure is designed to improve the stability of the connecting block 14 in lifting up and down.

[0050] according to Figure 4 As shown, the output end of the up-and-down lifting mechanism 1 is connected to the connecting shaft 26 via a coupling 19, wherein the coupling 19 is used to connect shafts to shafts and has the functions of buffering, shock absorption and improving the dynamic performance of the shaft system.

[0051] according to Figure 4 and Fig.10 As shown, the lower die component includes a lower die base 25 installed on the platform 12 and a cylinder 17. The cylinder 17 is arranged below the platform 12 through the connecting column 15. The lower die base 25 is axially provided with a lower die hole 27 corresponding to the upper die column 18. The lower die column 24 is embedded in the lower die hole 27. The lower die column 24 extends downward to pass through the platform 12 and is connected to the output end of the cylinder 17. The needle bearing 13 is pressed into the lower die hole 27 through the upper die column 18 for rounding. After the rounding is completed, the cylinder 17 drives the lower die column 24 to push out the needle bearing 13 pressed into the lower die hole 27 to round the next needle bearing 13.

[0052] The lower mold column 24 is provided with a limiting protrusion 16 for limiting the maximum and minimum limits of the output of the cylinder 17, and the limiting protrusion 16 is located between the cylinder 17 and the platform 12. When the cylinder 17 outputs to the maximum limit, the limiting protrusion 16 contacts the platform 12, and the end of the upper mold column 18 is in the same horizontal plane as the conveying platform 20, and the needle bearing 13 is pushed out; when the cylinder 17 outputs to the minimum limit, the limiting protrusion 16 contacts the cylinder 17, and the end of the upper mold column 18 is located in the lower mold hole 27 so that the needle bearing 13 is completely immersed in the lower mold hole 27.

[0053] Working principle: The conveying mechanism 5 drives the needle roller bearing 13 to be conveyed to the conveying platform 20 in the axial direction, and the upper transmission clamp plate 11 of the moving mechanism reciprocates to sequentially translate the needle roller bearing 13 to the conveying platform 20, and sequentially translates the needle roller bearing 13 on the conveying platform 20 forward to the next position until it moves to the lower die member, and the upper die column 18 is driven by the up and down lifting mechanism 1 to press the needle roller bearing 13 into the lower die hole 27. After completion, the upper die column 18 is lifted, and the cylinder 17 drives the lower die column 24 to push the needle roller bearing 13 out of the lower die hole 27, and then the moving mechanism drives the needle roller bearing 13 to translate to the next position;

[0054] Among them, the inner diameter of the hole at one end of the needle roller bearing 13 is 21 mm and the end face is an engraved surface, and the inner diameter of the hole at the other end is 22 mm. The inner diameter of the upper end opening of the needle roller bearing 13 on the conveying mechanism 5 is detected by the detection mechanism to determine the front and back sides of the needle roller bearing 13, and the needle roller bearing 13 is flipped by the flipping mechanism so that the engraved end face of the needle roller bearing 13 faces upward.

[0055] 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 technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for rounding the outer diameter of the outer ring of a needle roller bearing, characterized in that: The invention comprises a conveying mechanism (5), an upper die member, a lower die member, a moving mechanism and a conveying platform (20) arranged on a platform (12); a section for arranging the lower die member is provided on the conveying platform (20); the moving mechanism is used to move the needle roller bearing (13) from the conveying mechanism (5) to the conveying platform (20) and the lower die member; the upper die member faces the lower die member, and the upper die member cooperates with the lower die member to press the needle roller bearing (13) into the lower die member, thereby rounding the outer ring of the needle roller bearing (13).

2. A device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 1, characterized in that: The conveying platform (20) is provided with a section for arranging a turning mechanism (4), the turning mechanism (4) being located on the side where the needle roller bearing (13) enters the lower die component, and the conveying mechanism (5) is provided with a detection mechanism for detecting the inner diameter of the needle roller bearing (13).

3. A device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 2, characterized in that: The conveying mechanism (5) is located at both ends of the conveying platform (20), and the ends of the conveying mechanism (5) are located in the axial direction of the conveying platform (20), and the conveying mechanism (5) and the conveying platform (20) are arranged perpendicularly.

4. A device for rounding the outer diameter of the outer ring of a needle roller bearing as claimed in claim 2, characterized in that: The detection mechanism comprises a fixing accessory (7) and a visual acquisition device (6) mounted on the fixing accessory (7).

5. The device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 1, characterized in that: The conveying mechanism (5) comprises a fixed platform (507), a driving motor (501) and a bracket (505), wherein the bracket (505) is connected to a side surface of the fixed platform (507), and fixed plates (506) are respectively arranged on the side surfaces of both ends of the fixed platform (507) in an opposite manner, and a roller (508) is rotatably arranged between the fixed plates (506), and a transmission belt (503) is sleeved between the rollers (508) so that the transmission belt (503) moves on the fixed platform (507), and a rotating shaft at one end of the roller (508) is connected to an output end of a driving motor (501) mounted on the fixed plate (506), and a stopper (504) is arranged on the fixed plate (506) at the output end of the conveying mechanism (5), and guide plates (502) are respectively arranged on both sides of the fixed platform (507) for guiding the needle roller bearing (13) during conveying.

6. The device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 1, characterized in that: The moving mechanism comprises an X-axis moving component (8) and a Y-axis moving component (9), wherein the Y-axis moving component (9) is mounted on the X-axis moving component (8) so as to drive the Y-axis moving component (9) to move horizontally, and the Y-axis moving component (9) is connected to a clamping plate fixing plate (10) so as to drive the clamping plate fixing plate (10) to move longitudinally, and a plurality of transmission clamping plates (11) are equidistantly connected to the clamping plate fixing plate (10) for driving the needle bearing (13) to move axially on the conveying platform (20), and an opening for accommodating the needle bearing (13) is provided on the transmission clamping plate (11) so that the needle bearing (13) is inserted into the opening so as to drive the needle bearing (13) to move horizontally on the conveying platform (20).

7. A device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 6, characterized in that: The conveying platform (20) is provided with a limit strip (21) for cooperating with the transmission clamping plate (11) to tighten the needle roller bearing (13).

8. The device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 1, characterized in that: The upper mold component comprises a mounting seat (3) mounted on a platform (12), a connecting seat (2) connected to the side of the mounting seat (3), and an up-down lifting mechanism (1) mounted on the top of the connecting seat (2); an output end of the up-down lifting mechanism (1) passes downward through the connecting seat (2) and is connected in sequence to a connecting shaft (26) and a connecting block (14); and a lower end of the connecting block (14) is connected to an upper mold column (18) facing the lower mold component.

9. A device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 8, characterized in that: The lower die component comprises a lower die base (25) mounted on the platform (12) and a cylinder (17); the cylinder (17) is arranged below the platform (12) via a connecting column (15); a lower die hole (27) corresponding to and matching the upper die column (18) is axially provided on the lower die base (25); a lower die column (24) is embedded in the lower die hole (27); the lower die column (24) extends downward to penetrate the platform (12) and is connected to the output end of the cylinder (17).

10. The device for rounding the outer diameter of the outer ring of a needle roller bearing according to claim 9, characterized in that: The lower die column (24) is provided with a limiting protrusion (16) for limiting the maximum limit and the minimum limit of the output of the cylinder (17), and the limiting protrusion (16) is located between the cylinder (17) and the platform (12).

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