Double-phase stainless steel bearing inner hole sizing device

Abstract

The utility model relates to the technical field of bearing sizing equipment, in particular to a duplex stainless steel bearing inner hole sizing device which comprises a base, and a stainless steel bearing body is placed on the upper end face of the base. Through the arrangement of the first block, the second block, the connecting threaded groove, the first sizing column, the second sizing column and the connecting threaded column, when the inner hole of the stainless steel bearing body needs to be sized, the first sizing column and the second sizing column are fixedly mounted on the first block and the second block through the matching threads of the two connecting threaded columns and the connecting threaded groove respectively; then the stainless steel bearing body is placed on the base, the first sizing column and the second sizing column are located in the inner hole of the stainless steel bearing body, and sizing of the inner hole of the stainless steel bearing body can be achieved through the first sizing column, the second sizing column, the knob block and the vernier caliper; and the first sizing column and the second sizing column can be detached from the base, so that the whole device is easier to carry and more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing sizing equipment technical field especially relates to a duplex stainless steel bearing inner hole sizing device. BACKGROUND

[0002] The bearing is the support structure of the commonly used rotating body, which can ensure the normal operation of the rotating function. In the production process of the bearing, duplex stainless steel is a good material. It has the characteristics of austenitic and ferritic stainless steel. Compared with ferrite, it has higher plasticity and toughness, no room temperature brittleness, and significantly improved intergranular corrosion resistance and welding performance. When used for bearing production, its strength and service life are significantly improved.

[0003] After searching, the publication number is CN217845143U, which discloses a duplex stainless steel bearing inner hole sizing device. By setting the inner diameter measuring mechanism, the measuring needle of the inner diameter measuring mechanism is located in the inner hole of the bearing during the measurement process by the descent of the lifting push rod. The control sleeve is controlled to move downward by the rotation of the driving motor. Then the connecting arm will push the inner diameter measuring slide to move. The measuring needle stops rotating after reaching the bearing hole wall. The number of revolutions of the motor can be converted to obtain the inner diameter of the bearing. However, the above-mentioned prior art installs a lifting push rod and a control panel on the mounting frame, and the output end of the lifting push rod is fixedly connected with the connecting frame. The mounting frame and the side surface of the outer diameter measuring mechanism are fixedly connected to form an integrated structure, which makes the device inconvenient to carry and not practical enough.

[0004] In order to solve the above problems, the utility model provides a duplex stainless steel bearing inner hole sizing device. Utility model content

[0005] In view of the deficiencies of the prior art, the utility model provides a duplex stainless steel bearing inner hole sizing device to solve the technical problems of the prior art that the mounting frame is installed with a lifting push rod and a control panel, the output end of the lifting push rod is fixedly connected with the connecting frame, the mounting frame and the side surface of the outer diameter measuring mechanism are fixedly connected to form an integrated structure, which makes the device inconvenient to carry and not practical enough.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] The utility model provides a kind of double phase stainless steel bearing inner hole sizing device, including base, the upper end surface of the base places stainless steel bearing body, sizing groove is opened in the base, bidirectional threaded rod is provided in the sizing groove, the threaded sleeve of bidirectional threaded rod is connected with No.

[0008] As a preferred technical scheme of the utility model, the side wall of the No.

[0009] As a preferred technical scheme of the utility model, the end of the bidirectional threaded rod away from the knob block is rotatably connected with the inner wall of the sizing groove.

[0010] As a preferred technical scheme of the utility model, the surface of the end of the bidirectional threaded rod extending out of the side wall of the base is provided with threads, a locking nut is slidably sleeved on the end of the bidirectional threaded rod extending out of the side wall of the base, and an internal thread groove is provided at the center of the locking nut.

[0011] As a preferred technical scheme of the utility model, the side wall of the base is fixedly connected with an anti-skid ring, the anti-skid ring is a rubber ring block, and the surface of the anti-skid ring is provided with anti-skid lines.

[0012] As a preferred technical scheme of the utility model, the first sizing column and the second sizing column are both cylindrical blocks.

[0013] The utility model provides a kind of double phase stainless steel bearing inner hole sizing device, with following

[0014] Beneficial effects:

[0015] 1. By setting No. block, second block, connecting thread groove, first sizing column, second sizing column, connecting thread column, when the inner hole of stainless steel bearing body needs to be sized, first sizing column and second sizing column are fixedly installed on No. block and second block by the cooperation thread of two connecting thread columns and connecting thread groove, then stainless steel bearing body is placed on base and first sizing column and second sizing column are located in the inner hole of stainless steel bearing body, at this time, the sizing of stainless steel bearing body inner hole can be realized by first sizing column, second sizing column, knob block and vernier caliper, since first sizing column and second sizing column can be detached from base, the device as a whole is more portable and more practical.

[0016] 2. By setting the locking nut, when the bidirectional threaded rod needs to be locked, the locking nut is screwed through the inner threaded groove at the center and the thread on the surface of the end of the bidirectional threaded rod extending out of the base, then the locking nut is screwed and abuts against the side wall of the base, at this time the bidirectional threaded rod is self-locked through the friction between the locking nut and the bidirectional threaded rod, avoiding the deviation of the diameter of the stainless steel bearing body hole caused by the reverse rotation of the bidirectional threaded rod, ensuring the accuracy of the diameter data of the stainless steel bearing body hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective structural schematic view of a duplex stainless steel bearing hole diameter setting device is provided for the utility model;

[0018] Figure 2 A perspective structural schematic view of a duplex stainless steel bearing hole diameter setting device when idle is provided for the utility model;

[0019] Figure 3 A split structure perspective view of the first diameter setting column and the second diameter setting column in the duplex stainless steel bearing hole diameter setting device is provided for the utility model;

[0020] Figure 4 A back perspective structural schematic view of a duplex stainless steel bearing hole diameter setting device is provided for the utility model;

[0021] Figure 5 A top view structural section view of a duplex stainless steel bearing hole diameter setting device is provided for the utility model.

[0022] In the figure: 1 base, 2 diameter setting groove, 3 bidirectional threaded rod, 4 No. 1 block, 5 No. 2 block, 6 connecting threaded groove, 7 first diameter setting column, 8 second diameter setting column, 9 connecting threaded column, 10 stainless steel bearing body, 11 knob block, 12 anti-skid ring, 13 locking nut. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] Thus, one feature that is described in the specification will be used to illustrate one feature of an embodiment of the application, and is not meant to imply that every embodiment of the application must have that feature. Moreover, it should be noted that the specification describes many features. Although certain features can be combined in one embodiment, these features can also be used in other embodiments that do not explicitly mention the combination. Thus, unless otherwise noted, the combination of features is not intended to limit the application.

[0025] The principles and structures of the present application will be described in detail below in combination with the drawings and embodiments:

[0026] Reference Figures 1-5 A double-phase stainless steel bearing inner hole sizing device, including base 1, the upper end surface of base 1 is placed with stainless steel bearing body 10, the sizing groove 2 is opened on base 1, the sizing groove 2 is provided with bidirectional threaded rod 3, the bidirectional threaded rod 3 is threadedly sleeved with No. 1 block 4, No. 2 block 5, the upper end surface of No. 1 block 4, No. 2 block 5 is provided with connecting thread groove 6, base 1 is provided with first sizing column 7, second sizing column 8, one end of bidirectional threaded rod 3 extending out of the side wall of base 1 is fixedly connected with knob block 11, the lower end surface of first sizing column 7, second sizing column 8 is fixedly connected with connecting thread column 9 matched with two connecting thread grooves 6.

[0027] First, first sizing column 7 and second sizing column 8 are respectively screwed into two connecting thread grooves 6 through two connecting thread columns 9, so as to be threadedly fixedly installed on No. 1 block 4 and No. 2 block 5, then stainless steel bearing body 10 is placed on the upper end surface of base 1 and first sizing column 7 and second sizing column 8 are located in the inner hole of stainless steel bearing body 10, at this time, the staff twists knob block 11 outside base 1 to make bidirectional threaded rod 3 rotate, so that No. 1 block 4 and No. 2 block 5 move in opposite directions in sizing groove 2 and first sizing column 7 and second sizing column 8 are respectively abutted on the inner wall of the inner hole of stainless steel bearing body 10, at this time, the staff only needs to measure the distance of the side opposite to first sizing column 7 and second sizing column 8 by using vernier caliper to realize the sizing work of the inner hole of stainless steel bearing body 10, since first sizing column 7 and second sizing column 8 can be respectively disassembled from No. 1 block 4 and No. 2 block 5, the whole device is more portable and more practical;

[0028] Further, the side wall of No. 1 block 4 and No. 2 block 5 is slidably connected with the inner wall of sizing groove 2.

[0029] By slidably connecting the side wall of No. 1 block 4 and No. 2 block 5 with the inner wall of sizing groove 2, the side wall of No. 1 block 4 and No. 2 block 5 can slide along the inner wall of sizing groove 2;

[0030] Further, the end of the bidirectional threaded rod 3 away from the knob block 11 is rotationally connected with the inner wall of the diameter fixing groove 2.

[0031] By rotationally connecting the end of the bidirectional threaded rod 3 away from the knob block 11 with the inner wall of the diameter fixing groove 2, the end of the bidirectional threaded rod 3 away from the knob block 11 can rotate on the inner wall of the diameter fixing groove 2.

[0032] Further, the surface of the end of the bidirectional threaded rod 3 extending out of the side wall of the base 1 is provided with threads, a locking nut 13 is slidingly sleeved on the end of the bidirectional threaded rod 3 extending out of the side wall of the base 1, and the center of the locking nut 13 is provided with an internal thread groove.

[0033] By setting the locking nut 13, when it is necessary to lock the bidirectional threaded rod 3, the locking nut 13 is threadedly connected with the threads on the surface of the end of the bidirectional threaded rod 3 extending out of the base 1, then the locking nut 13 is threadedly rotated and abuts against the side wall of the base 1, at this time, the bidirectional threaded rod 3 is self-locked by the friction between the locking nut 13 and the bidirectional threaded rod 3, so that the bidirectional threaded rod 3 cannot be reversed to cause deviation of the diameter of the inner hole of the stainless steel bearing body 10, and the accuracy of the diameter data of the inner hole of the stainless steel bearing body 10 is ensured.

[0034] Further, the side wall of the base 1 is fixedly connected with an anti-skid ring 12, the anti-skid ring 12 is a rubber ring block, and the surface of the anti-skid ring 12 is provided with anti-skid lines.

[0035] By setting the anti-skid ring 12, the anti-skid lines on the surface of the anti-skid ring 12 can increase the friction with the surface of the locking nut 13, and the locking ability of the locking nut 13 is improved.

[0036] Further, the first diameter fixing column 7 and the second diameter fixing column 8 are both cylindrical blocks.

[0037] By setting the first diameter fixing column 7 and the second diameter fixing column 8 as cylindrical blocks, the side walls of the first diameter fixing column 7 and the second diameter fixing column 8 can be in contact with the inner wall of the inner hole of the stainless steel bearing body 10, and the accuracy of the diameter data of the inner hole of the stainless steel bearing body 10 is ensured.

[0038] The utility model discloses a work principle: first fixed diameter column 7 with second fixed diameter column 8 through two connecting threaded columns 9 respectively thread into two connecting threaded grooves 6, make it respectively thread fixing installation on block 4, block 5, then the stainless steel bearing body 10 is placed on the upper end surface of base 1 and makes first fixed diameter column 7, second fixed diameter column 8 be located in the inner hole of stainless steel bearing body 10, at this time, the staff twists knob block 11 outside base 1 and makes bidirectional threaded rod 3 rotate, makes block 4, block 5 move in opposite directions in fixed diameter groove 2 and respectively first fixed diameter column 7, second fixed diameter column 8 are supported on the inner wall of the inner hole of stainless steel bearing body 10, at this time, the staff only needs to use vernier caliper to measure the interval of the opposite side of first fixed diameter column 7 and second fixed diameter column 8, can realize the fixed diameter work of the inner hole of stainless steel bearing body 10, since first fixed diameter column 7, second fixed diameter column 8 can be detached with block 4, block 5 respectively, make the device whole more easily carry, more practical;

[0039] Compared with prior art, when the inner hole of stainless steel bearing body 10 needs to be fixed in diameter, first fixed diameter column 7, second fixed diameter column 8 are fixed and installed on block 4, block 5 through the cooperation of two connecting threaded columns 9 and connecting threaded grooves 6, then stainless steel bearing body 10 is placed on base 1 and first fixed diameter column 7, second fixed diameter column 8 are located in the inner hole of stainless steel bearing body 10, at this time, first fixed diameter column 7, second fixed diameter column 8, knob block 11 and vernier caliper can realize the fixed diameter of the inner hole of stainless steel bearing body 10, since first fixed diameter column 7, second fixed diameter column 8 can be detached from base 1, make the device whole more easily carry, more practical.

[0040] The above describes only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements in the technical range disclosed by the utility model, and these modifications or replacements should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of claims.

Claims

1. A double phase stainless steel bearing inner hole sizing device comprising a base (1), characterized in that, The upper end surface of the base (1) is placed with a stainless steel bearing body (10), the base (1) is provided with a sizing groove (2), the sizing groove (2) is provided with a bidirectional threaded rod (3), the bidirectional threaded rod (3) is threadedly sleeved with a first block (4) and a second block (5), the upper end surface of the first block (4) and the second block (5) is provided with a connecting threaded groove (6), the base (1) is provided with a first sizing column (7) and a second sizing column (8), one end of the bidirectional threaded rod (3) extending out of the side wall of the base (1) is fixedly connected with a knob block (11), the lower end surface of the first sizing column (7) and the second sizing column (8) is fixedly connected with a connecting threaded column (9) matched with the two connecting threaded grooves (6).

2. A double phase stainless steel bearing inner bore sizing device according to claim 1, wherein, The side wall of the first block (4) and the second block (5) is slidably connected with the inner wall of the sizing groove (2).

3. A double phase stainless steel bearing inner bore sizing device according to claim 1, wherein, The end of the bidirectional threaded rod (3) away from the knob block (11) is rotatably connected with the inner wall of the sizing groove (2).

4. A double phase stainless steel bearing inner bore sizing device according to claim 1, wherein, The surface of the end of the bidirectional threaded rod (3) extending out of the side wall of the base (1) is provided with threads, the end of the bidirectional threaded rod (3) extending out of the side wall of the base (1) is slidably sleeved with a locking nut (13), the center of the locking nut (13) is provided with an internal threaded groove.

5. A double phase stainless steel bearing inner bore sizing device according to claim 1, wherein, The side wall of the base (1) is fixedly connected with an anti-skid ring (12), the anti-skid ring (12) is a rubber ring block, the surface of the anti-skid ring (12) is provided with anti-skid lines.

6. A double phase stainless steel bearing bore sizing device according to claim 1, wherein, The first sizing column (7) and the second sizing column (8) are both cylindrical blocks.

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