Bearing straining ring bending device

Abstract

The utility model discloses a bearing straining ring bending device which comprises a bending frame, a telescopic driving piece is arranged on one side of the bottom end of the bending frame, a right-angle sliding table is installed inside the bending frame, a middle bending wheel is installed at the top end of the right-angle sliding table, a right-angle frame is installed on one side of the top end of the bending frame, and a middle bending wheel is installed at the bottom end of the right-angle frame. And side bending wheels are mounted on the two sides of the top end of the bending frame on one side of the right-angle frame. According to the bearing steel bar bending device, a bearing steel bar to be bent is placed between the middle bending wheel and the side bending wheel, the bearing steel bar is limited through the limiting groove in the side bending wheel so that the bending stability of the bearing steel bar can be guaranteed, the right-angle sliding table and the middle bending wheel are pushed by the air cylinder to move forwards, namely the bearing steel bar is close to the side bending wheel and the bearing steel bar, and therefore the bearing steel bar can be bent more stably. The steel wire is preliminarily bent through cooperation of the middle bending wheel and the side bending wheels, operation is convenient and fast, excessive manual operation is not needed, and more manpower and material resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing ring bending, in particular to a bearing ring bending device. Background Art

[0002] The bearing ring is an annular part of a radial rolling bearing with one or more raceways. The bearing ring is an important component of the bearing. The bearing ring is divided into steel bearing rings, cast steel bearing rings, etc. During processing, the steel bar needs to be bent to complete the processing of the bearing ring. Therefore, a bearing ring bending device is required;

[0003] The existing bearing ring bending device is used manually, but it needs to be equipped with special bending tools and has high requirements on operating skills. Manual bending requires placing the bearing steel bar at the corresponding position of the bending machine, fixing the steel bar and then performing manual operation. The whole process is cumbersome and manual operation may cause damage to the hands of the staff, which leads to poor applicability of the entire bending device. In addition, when using the bending machine for bending, it is inconvenient to adjust the bending angle and curvature of the steel bar, resulting in poor flexibility in the use of the device. Therefore, corresponding improvements are needed. Utility Model Content

[0004] The utility model aims to provide a bearing ring bending device to solve the problems of complicated operation and limited bending arc in the existing bearing ring bending device proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing tight ring bending device, comprising a bending frame, a telescopic driving part is arranged on one side of the bottom end of the bending frame, a right-angle slide is installed inside the bending frame, and a central bending wheel is installed on the top of the right-angle slide, a right-angle frame is installed on one side of the top end of the bending frame, and side bending wheels are installed on both sides of the top end of the bending frame on one side of the right-angle frame, a screw rod bidirectional moving assembly is arranged on the top end of the right-angle frame, short shafts are installed on both sides of the top end of the right-angle frame, and pendulum blocks are sleeved on the outer sides of the short shafts, a secondary inner folding plate is installed on one side of the bottom end of the pendulum block, and a gear rack transmission part is connected between the short shaft and the screw rod bidirectional moving assembly.

[0006] Preferably, both sides of the right-angle slide extend into the interior of the bending frame, and the right-angle slide and the bending frame are slidably connected.

[0007] Preferably, the telescopic driving member includes a concave seat, and the concave seat is installed on one side of the bottom end of the bending frame. A cylinder is installed on one side of the concave seat, and one end of the cylinder is connected to one side of the bottom end of the right-angle slide.

[0008] Preferably, the screw rod bidirectional movement assembly includes a hollow rectangular frame, and the hollow rectangular frame is installed at the top of the right-angle frame, a stepper motor is installed on one side of the hollow rectangular frame, a bidirectional threaded shaft is installed inside the hollow rectangular frame, and both ends of the outer side of the bidirectional threaded shaft are threadedly connected with nut sleeves, and a connecting plate is installed on one side of the nut sleeve.

[0009] Preferably, the rack and pinion transmission member comprises a rack and a gear, the rack is mounted on one side of the connecting plate, one side of the rack is meshed with a gear, and the gears are all sleeved on the outside of the short shaft.

[0010] Preferably, one side of the pendulum block is arc-shaped, and the radius of the arc on one side of the pendulum block is the same as the radius of the central bending wheel.

[0011] Preferably, the side bending wheels have a circular cross-section, and the side bending wheels are each provided with a limiting groove with a rectangular cross-section.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when the bearing ring bending device is used, no manual bending operation is required, which is simple and efficient, and when the bearing ring is bent, it can be bent into multiple arcs, which makes it more flexible and efficient to use;

[0013] The bearing steel bar to be bent is placed between the central bending wheel and the side bending wheel, and the bearing steel bar is limited by the limiting groove on the side bending wheel to ensure the stability of its bending. The cylinder pushes the right-angle slide and the central bending wheel forward, that is, close to the side bending wheel and the bearing steel bar, and the central bending wheel and the side bending wheel cooperate to perform preliminary bending on the steel wire. The operation is convenient, does not require too much manual operation, and saves more manpower and material resources.

[0014] Then drive the stepper motor to drive the bidirectional threaded shaft to rotate, and utilize the threaded connection between the bidirectional threaded shaft and the nut sleeve to make the two sets of bidirectional threaded shafts move toward each other on the bidirectional threaded shaft, that is, approach each other, so that the connecting plate moves synchronously, so that the gear and rack in the gear rack transmission can work together, even if the short shaft and the pendulum block rotate, the straight section of the bearing steel bar can be further bent to complete the multi-arc bending of the bearing steel bar, which is simpler and more efficient to meet different usage conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 4 It is a side view structural schematic diagram of the utility model;

[0019] In the figure: 1. bending frame; 2. right-angle slide; 3. telescopic drive member; 301. concave seat; 302. cylinder; 4. center bending wheel; 5. right-angle frame; 6. side bending wheel; 7. screw rod bidirectional moving assembly; 701. hollow rectangular frame; 702. bidirectional threaded shaft; 703. nut sleeve; 704. connecting plate; 8. stepping motor; 9. short shaft; 10. gear rack transmission member; 11. pendulum block; 12. secondary inner folding plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 , the utility model provides an embodiment: a bearing ring bending device, comprising a bending frame 1, a telescopic driving member 3 is arranged on one side of the bottom end of the bending frame 1;

[0022] The telescopic driving member 3 includes a concave seat 301, and the concave seat 301 is installed on one side of the bottom end of the bending frame 1, and a cylinder 302 is installed on one side of the concave seat 301, and one end of the cylinder 302 is connected to one side of the bottom end of the right-angle slide 2;

[0023] Specifically, Figure 1 , 2 As shown in , 3 and 4, when in use, the concave seat 301 is used to support the cylinder 302. When in use, the cylinder 302 is driven to push the right-angle slide 2 and the middle bending wheel 4 to move forward and backward, and the bearing steel bar to be bent can be preliminarily bent by using the approach of the middle bending wheel 4 and the side bending wheel 6. The operation is convenient, replacing the traditional manual bending, which is more convenient and efficient;

[0024] A right-angle slide 2 is installed inside the bending frame 1;

[0025] Both sides of the right-angle slide 2 extend to the interior of the bending frame 1, and the right-angle slide 2 and the bending frame 1 are slidably connected;

[0026] Specifically, Figure 1 , 2 As shown in 3, when the cylinder 302 pushes the right-angle slide 2, the sliding connection between the right-angle slide 2 and the bending frame 1 can be used to ensure the stability of the movement of the right-angle slide 2, so as to ensure the stability of the bending of the bearing steel bar;

[0027] A central bending wheel 4 is installed at the top of the right-angle slide 2, a right-angle frame 5 is installed on one side of the top of the bending frame 1, and side bending wheels 6 are installed on both sides of the top of the bending frame 1 on one side of the right-angle frame 5;

[0028] The side bending wheels 6 have a circular cross section, and are each provided with a limiting groove with a rectangular cross section;

[0029] Specifically, Figure 1 , 2 As shown, when in use, the limiting groove on the side bending wheel 6 is used to insert the bearing steel bar to be bent into the limiting groove, so that it can be fixed and limited;

[0030] A screw rod bidirectional moving assembly 7 is provided at the top of the right angle frame 5;

[0031] The screw bidirectional moving assembly 7 includes a hollow rectangular frame 701, and the hollow rectangular frame 701 is installed at the top of the right angle frame 5, a stepping motor 8 is installed on one side of the hollow rectangular frame 701, a bidirectional threaded shaft 702 is installed inside the hollow rectangular frame 701, and both ends of the outer side of the bidirectional threaded shaft 702 are threadedly connected with nut sleeves 703, and a connecting plate 704 is installed on one side of the nut sleeve 703;

[0032] Specifically, Figure 1 , 2 As shown in FIG. 3 , when in use, the stepper motor 8 is driven to rotate the bidirectional threaded shaft 702. The threaded connection between the bidirectional threaded shaft 702 and the nut sleeve 703 is utilized, so that the nut sleeve 703 and the connecting plate 704 move horizontally along the bidirectional threaded shaft 702, and the gear rack transmission member 10 is further operated, so that the short shaft 9 and the pendulum block 11 can be rotated and pressed against the bearing steel bar, so as to further bend the bearing steel bar after the preliminary bending, and the operation is convenient, so that it can be bent into different arcs, which is more flexible and efficient;

[0033] Short shafts 9 are installed on both sides of the top of the right angle frame 5, and the outer sides of the short shafts 9 are sleeved with swing blocks 11, and one side of the bottom end of the swing blocks 11 is installed with secondary inner folding plates 12;

[0034] One side of the swing block 11 is arc-shaped, and the radius of the arc on one side of the swing block 11 is the same as the radius of the middle bending wheel 4;

[0035] Specifically, Figure 1 As shown, when in use, the bearing steel bar can be bent into a complete bearing tight ring;

[0036] A gear rack transmission member 10 is connected between the short shaft 9 and the screw rod bidirectional moving assembly 7;

[0037] The gear rack transmission member 10 includes a rack and a gear. The rack is installed on one side of the connecting plate 704. A gear is meshed on one side of the rack, and the gears are sleeved on the outside of the short shaft 9.

[0038] Specifically, Figure 1 , 3 As shown, when in use, the mutual engagement of the rack and the gear can ensure the rotation of the short shaft 9 and the pendulum block 11 to ensure the secondary operation of the bending process.

[0039] When the embodiment of the present application is used, first, the bearing steel bar to be bent is placed between the central bending wheel 4 and the side bending wheel 6, and is clamped in the limiting grooves on the two sets of side bending wheels 6, and then the cylinder 302 is driven to push the right-angle slide 2 and the central bending wheel 4 to move toward the side close to the side bending wheel 6, that is, to move toward the side close to the bearing steel bar, to generate a certain force, and the central bending wheel 4 and the side bending wheel 6 cooperate with each other to squeeze the bearing steel bar, and then perform a preliminary bending on the bearing steel bar;

[0040] Then drive the stepper motor 8 to drive the bidirectional threaded shaft 702 to rotate, and utilize the threaded connection between the bidirectional threaded shaft 702 and the nut sleeve 703 to make the two groups of nut sleeves 703 move towards each other on the bidirectional threaded shaft 702, that is, the two groups of nut sleeves 703 approach each other, and drive the connecting plate 704 to move synchronously, so that the rack and gear in the gear rack transmission part 10 are engaged with each other, which makes the gear rotate, and then the short shaft 9 and the pendulum block 11 rotate, so that the pendulum block 11 is against the straight section of the bearing steel bar, and the straight section of the bearing steel bar can be further bent to complete the overall bending of the bearing steel bar, so as to complete the bending of the bearing tight ring, and the operation is convenient and efficient.

Claims

1. A bearing ring bending device, characterized in that: The invention comprises a bending frame (1), wherein a telescopic driving member (3) is arranged on one side of the bottom end of the bending frame (1), a right-angle slide (2) is installed inside the bending frame (1), and a central bending wheel (4) is installed on the top end of the right-angle slide (2), a right-angle frame (5) is installed on one side of the top end of the bending frame (1), and side bending wheels (6) are installed on both sides of the top end of the bending frame (1) on one side of the right-angle frame (5), a screw bidirectional moving assembly (7) is arranged on the top end of the right-angle frame (5), short shafts (9) are installed on both sides of the top end of the right-angle frame (5), and swing blocks (11) are sleeved on the outer sides of the short shafts (9), and a secondary inner folding plate (12) is installed on one side of the bottom end of the swing block (11), and a gear rack transmission member (10) is connected between the short shaft (9) and the screw bidirectional moving assembly (7).

2. A bearing ring bending device according to claim 1, characterized in that: Both sides of the right-angle slide (2) extend into the interior of the bending frame (1), and the right-angle slide (2) and the bending frame (1) are slidably connected.

3. The bearing ring bending device according to claim 1, characterized in that: The telescopic driving member (3) comprises a concave seat (301), and the concave seat (301) is installed on one side of the bottom end of the bending frame (1), and a cylinder (302) is installed on one side of the concave seat (301), and one end of the cylinder (302) is connected to one side of the bottom end of the right-angle slide (2).

4. The bearing ring bending device according to claim 1, characterized in that: The screw rod bidirectional moving assembly (7) comprises a hollow rectangular frame (701), and the hollow rectangular frame (701) is installed at the top end of the right-angle frame (5), a stepping motor (8) is installed on one side of the hollow rectangular frame (701), a bidirectional threaded shaft (702) is installed inside the hollow rectangular frame (701), and both ends of the outer side of the bidirectional threaded shaft (702) are threadedly connected with nut sleeves (703), and a connecting plate (704) is installed on one side of the nut sleeve (703).

5. The bearing ring bending device according to claim 1, characterized in that: The rack and pinion transmission member (10) comprises a rack and a gear, wherein the rack is mounted on one side of the connecting plate (704), a gear is meshed on one side of the rack, and the gears are sleeved on the outside of the short shaft (9).

6. The bearing ring bending device according to claim 1, characterized in that: One side of the swing block (11) is arc-shaped, and the radius of the arc on one side of the swing block (11) is the same as the radius of the central bending wheel (4).

7. The bearing ring bending device according to claim 1, characterized in that: The side bending wheels (6) have a circular cross section, and are each provided with a limiting groove with a rectangular cross section.

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