Carburizing tool with good stability

Abstract

The utility model relates to the technical field of bearing processing, and discloses a carburizing tool with good stability, which comprises a frame, a rotating drum is rotatably mounted on the inner wall of the frame in a penetrating manner, a turntable is fixedly mounted at one end of the rotating drum, an air cylinder is fixedly mounted on the side wall of the frame, a transmission rod is movably mounted on the inner wall of the turntable, and the transmission rod is movably mounted on the inner wall of the transmission rod. The side wall of the end, away from the rotary disc, of the transmission rod is fixedly provided with a containing cylinder, and an adjusting assembly is arranged in the containing cylinder. By arranging the adjusting assembly, after the bearing rings are arranged on the outer edges of the multiple sets of containing cylinders on the outer side of the rotary disc in a sleeving mode, the distance between the two sets of contact sleeves on the outer surfaces of the containing cylinders is changed, and the contact stability of the contact sleeves to the bearing rings is improved; and therefore, the circular-truncated-cone-shaped contact sleeve provides an anti-sliding protection effect for the bearing ring in the left-right side direction, and the situation that the surface of the bearing ring is damaged when carburizing machining is conducted, and then the production quality of the bearing ring is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processing technical field, concretely is a carburizing tool with good stability. BACKGROUND

[0002] The bearing ring of low carbon steel raw material needs to be carburized during heat treatment to improve material performance, and the double-row tapered roller bearing ring is currently carburized and heat treated on a double-row continuous gas carburizing production line.

[0003] According to a bearing ring heat treatment carburizing tool (publication number: CN218812018U) disclosed, in the above-mentioned application, the driving motor is operated, the driving motor drives the driving gear to rotate, the driving gear and the driving gear are meshed with each other, the shaft is driven to rotate along the bearing, the rotating sleeve is continuously rotated in the inner side of the bearing, the rotating contact structure makes the inner side of the bearing bear force evenly, and no indentation is generated during heat treatment, so that the heat treatment effect of the bearing is guaranteed.

[0004] However, the above-mentioned device may cause the bearing ring to be horizontally offset along the contact roller during actual use, the force on one side of the bearing ring is too large, and the carburizing work effect of the bearing ring is affected; therefore, the carburizing tool with good stability is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a carburizing tool with good stability to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a carburizing tool with good stability, comprising a rack, a driving motor is fixedly installed on the side wall of the rack, a pinion is fixedly installed on the output end of the driving motor, a rotating drum is rotatably installed through the inner wall of the rack, a large gear is fixedly connected through the rotating drum, a rotating disc is fixedly installed on one end of the rotating drum, an air cylinder is fixedly installed on the side wall of the rack, a transmission rod is movably installed on the inner wall of the rotating disc, a placing cylinder is fixedly installed on the side wall of one end of the transmission rod, an adjusting assembly is arranged in the placing cylinder, and the adjusting assembly comprises:

[0007] An adjusting screw is rotatably installed on the inner wall of the placing cylinder, a threaded sleeve is threadedly connected to the outer wall of the adjusting screw, and a T-shaped sliding block is fixedly installed on the arc-shaped outer wall of the threaded sleeve.

[0008] The outer wall of the placing cylinder is sleeved with a contact sleeve, the contact sleeve is rotationally connected with the placing cylinder, an annular groove is formed in the inner wall of the contact sleeve, the contact sleeve is in the shape of a circular truncated cone including a large-diameter end and a small-diameter end, and a contact groove is formed in the outer surface of the contact sleeve.

[0009] Preferably, the number of transmission rods is provided in multiple groups, and the multiple groups of transmission rods are uniformly distributed in a circumferential array on the arc-shaped outer wall of the rotating disc to provide more stable support effect for the bearing ring and ensure the stability of the bearing ring during the carburizing operation.

[0010] Preferably, the inside of the placing cylinder is hollow, the threads on the arc-shaped outer wall of the adjusting screw rod are provided in two groups, the two groups of threads are symmetrically arranged on the left and right sides of the adjusting screw rod with the vertical central axis of the adjusting screw rod as the axis of symmetry, and the number of the thread sleeves is provided in two groups, and when the adjusting screw rod is rotated, the two groups of thread sleeves can only move in the horizontal direction along the inner wall of the placing cylinder.

[0011] Preferably, the T-shaped sliding block includes a vertical plate and an arc-shaped plate, a rectangular groove with a width matching that of the vertical plate is formed in the arc-shaped outer wall of the placing cylinder to guide and limit the movement of the thread sleeve.

[0012] Preferably, the inside of the contact groove is provided with a protection assembly, the protection assembly includes a swing groove, a rotating rod is rotationally installed on the inner wall of the swing groove, a bent plate penetrates through and is fixedly connected to the rotating rod, a volute spring is sleeved on the arc-shaped outer wall of the rotating rod, a V-shaped groove is formed in the inner wall of the end of the bent plate away from the rotating rod, and a convex rib is fixedly installed on the arc-shaped outer wall of the side of the bent plate away from the contact sleeve.

[0013] Preferably, circular holes with a diameter larger than the outer diameter of the volute spring are formed in the inner walls on the two sides of the swing groove, and the two ends of the volute spring are fixedly connected to the arc-shaped outer wall of the rotating rod and the bottom inner wall of the circular hole, respectively, so that when the rotating rod rotates, the rotating rod always has a movement trend of driving the bent plate to rotate in the opposite direction to realize resetting due to the elastic force limitation of the volute spring.

[0014] Compared with the prior art, the carburizing tool has the following beneficial effects:

[0015] 1. The good stability carburizing tool, through the adjustment assembly is set, after the bearing ring is set in the multiple groups of placement cylinder outer edge of the rotating disc outside, the interval between the two groups of contact sleeves on the outer surface of the placement cylinder is changed by rotating the adjusting screw rod, and the contact stability of the contact sleeve to the bearing ring is improved by cooperating with the contact groove formed on the outer wall of the contact sleeve, so that the contact sleeve in the form of circular table provides anti-slip protection effect for the bearing ring on the left and right sides, avoids the surface damage of the bearing ring during carburizing processing, and then affects the production quality of the bearing ring.

[0016] 2. The good stability carburizing tool, by setting the protection assembly, cooperating with the setting of the volute spring, the bending plate can better position the bearing ring on the outer surface of the contact sleeve, prevent the horizontal deviation of the bearing ring, thereby effectively improving the stability of the bearing ring during carburizing operation, and reducing the output of defective products. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main structure schematic diagram of the utility model;

[0018] Figure 2 It is the rack structure schematic diagram of the utility model;

[0019] Figure 3 It is the rotating disc sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the placement cylinder sectional structure schematic diagram of the utility model;

[0021] Figure 5 It is the contact sleeve sectional structure schematic diagram of the utility model;

[0022] Figure 6 It is the bending plate local three-dimensional structure schematic diagram of the utility model.

[0023] In the drawing: 1, rack; 2, driving motor; 3, pinion; 4, rotating drum; 5, gear; 6, rotating disc; 7, transmission rod; 8, placement cylinder; 9, air cylinder; 10, adjustment assembly; 101, adjusting screw rod; 102, threaded sleeve; 103, contact sleeve; 104, annular groove; 105, T-shaped sliding block; 106, contact groove; 11, protection assembly; 111, swing groove; 112, rotating rod; 113, bending plate; 114, volute spring; 115, V-shaped groove; 116, convex rib. DETAILED DESCRIPTION

[0024] As Figures 1-6The utility model provides a technical scheme: a carburizing tool with good stability, including frame 1, the lateral wall fixed mounting of frame 1 has drive motor 2, the output fixed mounting of drive motor 2 has pinion 3, the inner wall of frame 1 is penetrated and is rotatably installed with rotary drum 4, and rotary drum 4 is penetrated and is fixedly connected with large gear 5, and one end of rotary drum 4 is fixedly installed with turntable 6, and the lateral wall fixed mounting of frame 1 has cylinder 9, and the inner wall of turntable 6 movably installs transmission rod 7, and the end lateral wall of transmission rod 7 away from turntable 6 is fixedly installed with placing cylinder 8, and the inside of placing cylinder 8 is provided with adjusting assembly 10, and adjusting assembly 10 includes adjusting lead screw 101, threaded sleeve 102, T-shaped sliding block 105, contact sleeve 103 and annular groove 104 and contact groove 106.

[0025] In an embodiment of the utility model, the inner wall of placing cylinder 8 rotatably installs adjusting lead screw 101, the outer wall of adjusting lead screw 101 is threadedly connected with threaded sleeve 102, the arc outer wall of threaded sleeve 102 is fixedly installed with T-shaped sliding block 105, the outer wall of placing cylinder 8 is sleeved with contact sleeve 103, and contact sleeve 103 is rotatably connected with placing cylinder 8, the inner wall of contact sleeve 103 is provided with annular groove 104, contact sleeve 103 is provided with the circular truncated cone of including large diameter end and small diameter end, and contact groove 106 is formed on the outer surface of contact sleeve 103.

[0026] Further, the inside of frame 1 is hollow, and cylinder 9 and drive motor 2 are arranged on the same side outer wall of frame 1, specifically, the output end of cylinder 9 is rotatably connected with the end of rotary drum 4, large gear 5 is engaged with pinion 3 and realizes transmission, when drive motor 2 is started, cooperating with pinion 3, so that large gear 5 drives rotary drum 4 and turntable 6 to rotate, in addition, rotary drum 4 and turntable 6 are provided with air passage in the inside, and the air passage is connected with the output end of cylinder 9, when cylinder 9 is started, the internal pressure of air passage is increased, to force transmission rod 7 movably installed in the inside of turntable 6 to move towards the side away from the center of turntable 6, to expand the size of the area formed by placing cylinder 8 on the outside of turntable 6, to adapt to the positioning requirement of bearing ring of different sizes, specifically, the number of transmission rod 7 is provided with multiple groups, and the multiple groups of transmission rod 7 are evenly distributed on the arc outer wall of turntable 6 in circumferential array, to provide more stable support effect for bearing ring, to ensure the stability of bearing ring during carburizing operation, in addition, frame 1 is arranged in the inside of carburizing operation equipment, to facilitate carburizing operation after bearing ring is fixed.

[0027] In addition, the inside of the placing cylinder 8 is hollow, and the threads on the arc-shaped outer wall of the adjusting screw rod 101 are provided in two groups and symmetrically arranged on the left and right sides of the adjusting screw rod 101 with the vertical central axis of the adjusting screw rod 101 as the symmetry axis, and correspondingly, the number of the thread sleeves 102 is provided in two groups, and the T-shaped sliding block 105 includes a vertical plate and an arc-shaped plate, specifically, a rectangular groove with a width suitable for the vertical plate is formed on the arc-shaped outer wall of the placing cylinder 8 to guide and limit the movement of the thread sleeve 102, specifically, when the adjusting screw rod 101 is rotated, the two groups of thread sleeves 102 can only move in the horizontal direction along the inner wall of the placing cylinder 8, and further, the arc-shaped block is matched with the size of the annular groove 104, so that the thread sleeve 102 can control the position of the contact sleeve 103 on the placing cylinder 8 without affecting the free rotation of the contact sleeve 103, thereby reducing the wear of the contact sleeve 103 when contacting the outer surface of the bearing ring, improving the production quality of the bearing ring, and simultaneously, the number of the contact grooves 106 is provided in multiple groups, and the multiple groups of contact grooves 106 are uniformly distributed on the arc-shaped outer wall of the contact sleeve 103 in a circular array, and the edges of the contact grooves 106 are all rounded to avoid scratches on the outer surface of the bearing ring, thereby affecting the production yield of the bearing ring.

[0028] In the embodiment of the utility model, the inside of the contact groove 106 is provided with a protection assembly 11, the protection assembly 11 includes a swing groove 111, a rotating rod 112 is rotatably installed on the inner wall of the swing groove 111, the rotating rod 112 penetrates and is fixedly connected with a bent plate 113, a volute spring 114 is sleeved on the arc-shaped outer wall of the rotating rod 112, a V-shaped groove 115 is formed on the inner wall of the end of the bent plate 113 away from the rotating rod 112, and a convex rib 116 is fixedly installed on the arc-shaped outer wall of the bent plate 113 away from the contact sleeve 103.

[0029] Specifically, the number of the protection assemblies 11 corresponds to the number of the contact grooves 106, and the protection assemblies 11 are arranged inside the contact grooves 106 close to the large-diameter end side, so as to better contact the side surface of the bearing ring placed on the outer surface of the contact sleeve 103, meanwhile, the two side inner walls of the swing groove 111 are provided with circular holes with a diameter larger than the outer diameter of the volute spring 114, and the two ends of the volute spring 114 are fixedly connected to the arc-shaped outer wall of the rotating rod 112 and the bottom inner wall of the circular hole respectively, so that the rotating rod 112 always has a movement trend of driving the bent plate 113 to reverse rotation and reset when rotating due to the elastic force of the volute spring 114, specifically, in the initial state, the bent plate 113 always has a movement trend of swinging to the side of the vertical central axis of the placing cylinder 8 under the influence of the elastic force of the volute spring 114, so that the bent plate 113 can better position the bearing ring on the outer surface of the contact sleeve 103 and prevent the bearing ring from being laterally deviated, further, the friction coefficient when the bent plate 113 contacts the side surface of the bearing ring is increased through the V-shaped groove 115 and the convex rib 116, the stability when the bent plate 113 contacts the bearing ring is ensured, and thus the stability of the bearing ring during carburizing operation is effectively improved, and the output of defective products is reduced.

[0030] In the utility model, when in use, the bearing ring is sleeved on the outside of the placing cylinder 8, and the interval between the two groups of contact sleeves 103 on the outer surface of the placing cylinder 8 is changed by rotating the adjusting screw rod 101 and cooperating with the two groups of threaded sleeves 102, so that the contact sleeve 103 in the circular table shape provides the protection effect of preventing the bearing ring from slipping in the left and right directions, at this time, the driving motor 2 is driven, the pinion 3 and the gear 5 are cooperated, so that the rotating cylinder 4 drives the rotating disc 6 to rotate, and then drives the positioned bearing ring to rotate continuously and slowly, and the external heating equipment is cooperated, so that the bearing ring can complete the carburizing operation.

[0031] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A carburizing fixture with good stability, comprising a frame (1), wherein a drive motor (2) is fixedly installed on the side wall of the frame (1), a small gear (3) is fixedly installed at the output end of the drive motor (2), a rotating cylinder (4) is rotatably installed through the inner wall of the frame (1), a large gear (5) is fixedly connected through the rotating cylinder (4), a turntable (6) is fixedly installed at one end of the rotating cylinder (4), a cylinder (9) is fixedly installed on the side wall of the frame (1), a transmission rod (7) is movably installed on the inner wall of the turntable (6), and a placement cylinder (8) is fixedly installed on the side wall of the transmission rod (7) away from the turntable (6), characterized in that: The inside of the placing cylinder (8) is provided with an adjusting assembly (10), which comprises: An adjusting screw rod (101), the inner wall of the placing cylinder (8) is rotatably installed with an adjusting screw rod (101), the outer wall of the adjusting screw rod (101) is threadedly connected with a threaded sleeve (102), and the arc-shaped outer wall of the threaded sleeve (102) is fixedly installed with a T-shaped sliding block (105); A contact sleeve (103), the outer wall of the placing cylinder (8) is sleeved with a contact sleeve (103), the contact sleeve (103) is rotatably connected with the placing cylinder (8), the inner wall of the contact sleeve (103) is provided with an annular groove (104), and the contact sleeve (103) is provided in a circular truncated cone shape comprising a large-diameter end and a small-diameter end, and the outer surface of the contact sleeve (103) is provided with a contact groove (106).

2. The carburating tooling of claim 1, wherein: The number of the transmission rods (7) is provided with multiple groups, and the multiple groups of transmission rods (7) are uniformly distributed on the arc-shaped outer wall of the rotating disc (6) in a circular array.

3. The carburating tooling of claim 1, wherein: The inside of the placing cylinder (8) is hollow, and the threads on the arc-shaped outer wall of the adjusting screw rod (101) are provided in two groups, and the two groups of threads are symmetrically arranged on the left and right sides of the adjusting screw rod (101) with the vertical central axis of the adjusting screw rod (101) as the symmetry axis, and the number of the threaded sleeves (102) is provided in two groups.

4. The carburating tooling of claim 1, wherein: The T-shaped sliding block (105) comprises a vertical plate and an arc-shaped plate, and the arc-shaped outer wall of the placing cylinder (8) is provided with a rectangular groove with a width suitable for the vertical plate.

5. The carburating tooling of claim 1, wherein: The inside of the contact groove (106) is provided with a protection assembly (11), the protection assembly (11) comprises a swing groove (111), the inner wall of the swing groove (111) is rotatably installed with a rotating rod (112), the rotating rod (112) penetrates and is fixedly connected with a bent plate (113), the arc-shaped outer wall of the rotating rod (112) is sleeved with a volute spring (114), the inner wall of the end of the bent plate (113) away from the rotating rod (112) is provided with a V-shaped groove (115), and the arc-shaped outer wall of the side of the bent plate (113) away from the contact sleeve (103) is fixedly installed with a convex rib (116).

6. The carburating tooling of claim 5, wherein: The inner walls on both sides of the swing groove (111) are provided with circular holes with a diameter larger than the outer diameter of the volute spring (114), and the two ends of the volute spring (114) are respectively fixedly connected to the arc-shaped outer wall of the rotating rod (112) and the bottom inner wall of the circular hole.

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