Turnup buckling and riveting device for upper bearing of steering column

Abstract

The utility model discloses a flanging and buckling riveting device for an upper bearing of a steering column. The flanging and buckling riveting device comprises a bottom plate, a sample piece positioning mechanism and an upper pressing head, the sample piece positioning mechanism is arranged on the bottom plate and is used for fixing a sample piece; the upper pressing head is arranged above the sample piece positioning mechanism and comprises an upper pressing head outer shell and a pressing head inner core arranged in the upper pressing head outer shell, and the upper pressing head outer shell and the pressing head inner core are detachably fixed; a resettable buckling claw matched with the upper pressing head outer shell is arranged on the pressing head inner core, and when the position of the upper pressing head outer shell is changed, the resettable buckling claw is driven by the upper pressing head outer shell to contract in the box and conduct buckling riveting on a sample piece. According to the utility model, the resettable buckling claw is matched with the upper pressing head shell to realize rapid pressing riveting of a sample, the resettable buckling claw can realize automatic resetting, the operation accuracy is good, and compared with other schemes, the pressing riveting quality is better, and the improvement of the overall quality of a product is facilitated.

Description

Technical Field

[0001] The utility model relates to a flanging riveting device for an upper bearing of a steering column, belonging to the technical field of machining. Background Art

[0002] The steering column, also known as the steering gear column, is used to transmit the rotational force applied by the driver through the steering wheel to the steering system to achieve the control of the vehicle steering wheel. Its smoothness directly affects the feel of driving operation and the operation of the bearing. The riveting quality of the bearing and the upper protective tube has a great impact on the product performance. How to accurately evaluate the flanging and riveting condition of the steering column seriously affects the reliability of the sample. How to accurately fix the sample during the test has a great impact on the test result, but the current test devices generally have the problem of insufficient stability, seriously affecting the accuracy of the test result. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a flanging riveting device for an upper bearing of a steering column.

[0004] A flanging riveting device for an upper bearing of a steering column includes a bottom plate, a sample positioning mechanism and an upper pressing head;

[0005] The sample positioning mechanism is arranged on the bottom plate for fixing the sample;

[0006] The upper pressing head is arranged above the sample positioning mechanism and includes an upper pressing head outer shell and a pressing head inner core arranged in the upper pressing head outer shell. The upper pressing head outer shell and the pressing head inner core are detachably fixed;

[0007] The pressing head inner core is provided with a resetable claw cooperating with the upper pressing head outer shell. When the position of the upper pressing head outer shell changes, it drives the resetable claw to contract in the box and rivet the sample.

[0008] The utility model adopts the cooperation between the resetable claw and the upper pressing head shell to realize the rapid riveting of the sample. The resetable claw can realize automatic reset, with good operation accuracy. Compared with other schemes, its riveting quality is better, which is beneficial to improving the overall quality of the product.

[0009] Further or optionally, the sample positioning mechanism includes a sample positioning seat arranged on the bottom plate, a cylindrical sample positioning rod arranged at the center of the sample positioning seat, and a sample positioning plate arranged on one side of the sample positioning rod.

[0010] The sample positioning seat of the utility model has a positioning rod and a sample positioning plate, which can better position the tubular sample and has better stability of the riveting action.

[0011] Further or optionally, the upper punch housing includes an upper cylinder and a lower support frame. The radius of the lower support frame is greater than that of the upper cylinder, and the two are transitioned by a slope. Fixing grooves are evenly formed on the circumference of the lower support frame, and a decompression roller corresponding to the reset pawl is fixed in the fixing groove.

[0012] In the above solution, the effective fixing of the reset pawl is realized by forming a fixing groove on the lower support frame. The reset pawl is pressed by the decompression roller to perform repeated actions, which can effectively limit the movement range of the reset pawl and improve the stability of the riveting quality.

[0013] Further or optionally, the reset pawl is a movable claw. The inner core of the punch includes a punch inner core rod and a longitudinal reset spring, and a transverse reset spring is arranged between the movable claw and the punch inner core rod.

[0014] In the above structure, the longitudinal reset spring is used for the reset operation. Compared with the general wedge-shaped reset device, it has strong replaceability, adjustable spring strength, and higher flexibility in the riveting operation.

[0015] Further or optionally, the bottom plate includes an upper bottom plate and a position adjustment bottom plate stacked up and down. Quick locking bolts are installed on both sides of the upper bottom plate; the sample positioning mechanism is arranged at the center position of the upper bottom plate. Such a setting can adjust the placement position of the sample according to actual needs, improve the operation accuracy, and avoid failures caused by sample deviation; its quick locking bolts can improve the operation efficiency.

[0016] Further or optionally, the position adjustment bottom plate includes a left-right adjustment bottom plate and a front-back adjustment bottom plate, which are positioned by adjustment bolts and adjustment fixing holes. During the specific operation process, the position can be adjusted according to needs. The adjustment bolts and adjustment fixing holes can be used for quick positioning, which is beneficial to improving the work efficiency.

[0017] Further or optionally, foldable handles are arranged on two adjacent sides of the upper bottom plate and the quick locking bolts to facilitate the handling of the equipment, and at the same time reduce the interference of the handle part on the operation process, making it more convenient to use.

[0018] Adopting the above technical solutions, the utility model has the following beneficial effects:

[0019] (1) The utility model adopts the cooperation between the reset pawl and the upper punch housing to realize the rapid riveting of the sample. The reset pawl can realize automatic reset, with good operation accuracy. Compared with other solutions, its riveting quality is better, which is beneficial to improving the overall quality of the product.

[0020] (2) The positioning rod and the sample positioning plate are arranged on the sample positioning seat of the utility model, which can better position the tubular sample and has better stability of the buckling and riveting action.

[0021] (3) The utility model realizes the effective fixation of the reset claw by opening a fixing groove on the lower support frame, and presses the reset claw through the decompression roller to perform repeated actions, which can effectively limit the movement range of the reset claw and improve the stability of the riveting quality.

[0022] (4) The utility model uses a longitudinal reset spring for the reset operation. Compared with the general wedge-shaped reset device, it has strong replaceability, adjustable spring strength, and higher flexibility in the riveting operation.

[0023] (5) The utility model is also provided with an upper bottom plate, a position-adjusting bottom plate and a quick-locking bolt which are stacked up and down. The placement position of the sample can be adjusted according to actual needs, the operation accuracy is improved, and the failure caused by the offset of the sample is avoided; the quick-locking bolt can improve the operation efficiency.

[0024] (6) The adjusting bottom plate of the utility model includes a left-right adjusting bottom plate and a front-back adjusting bottom plate and is positioned by adjusting bolts and adjusting fixing holes, which is beneficial to improving the work efficiency.

[0025] (7) The two adjacent sides of the upper bottom plate of the utility model and the quick-locking bolt are provided with foldable handles, which can facilitate the handling of the equipment while reducing the interference of the handle part to the operation process and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to make the content of the utility model easier to be clearly understood, the following further details the utility model according to specific embodiments in conjunction with the drawings, where

[0027] Figure 1 is a schematic structural diagram of the utility model;

[0028] Figure 2 is a schematic structural diagram after removing the upper press head housing;

[0029] Figure 3 is a schematic diagram of the structure of the press head inner core 32 Figure 1 ;

[0030] Figure 4 is a schematic diagram of the structure of the press head inner core 32 Figure 2 ;

[0031] Figure 5 is a schematic diagram of the bottom plate structure.

[0032] The reference numerals in the drawings are: bottom plate 1, upper bottom plate 11, quick locking bolt 111, foldable handle 112, position adjusting bottom plate 12, left - right adjusting bottom plate 121, front - rear adjusting bottom plate 122, sample positioning mechanism 2, sample positioning seat 21, sample positioning rod 22, sample positioning plate 23, upper pressure head 3, upper pressure head housing 31, upper cylinder 311, lower support frame 312, fixed groove 3121, pressure - reducing roller 3122, pressure head inner core 32, resetable claw 321, pressure head inner core rod 322, longitudinal reset spring 323, transverse reset spring 324. Detailed implementation manners

[0033] In order to better understand the above - mentioned technical solution, the following will, in conjunction with the drawings in the specification and specific implementation manners, elaborate on the above - mentioned technical solution in detail.

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will, in conjunction with the drawings in the embodiments of the present utility model, clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0036] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0037] In the description of the embodiments of the present utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this utility model is normally placed, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0038] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. The present utility model will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0039] (Embodiment 1)

[0040] See Figures 1 to 5 , a flanging riveting device for the upper bearing of a steering column in this embodiment includes a bottom plate 1, a sample positioning mechanism 2 and an upper pressure head 3; the sample positioning mechanism 2 includes a sample positioning seat 21 arranged on the bottom plate 1, a cylindrical sample positioning rod 22 arranged at the center of the sample positioning seat 21, and a sample positioning plate 23 arranged on one side of the sample positioning rod 22; the upper pressure head 3 is arranged above the sample positioning mechanism 2 and includes an upper pressure head outer shell 31 and a pressure head inner core 32 arranged inside the upper pressure head outer shell 31, and the upper pressure head outer shell 31 and the pressure head inner core 32 are detachably fixed; a decompression roller 3122 is arranged inside the upper pressure head outer shell 31; the pressure head inner core 32 successively includes a longitudinal return spring 323, a pressure head inner core rod 322 and a resetable claw 321 from top to bottom, the resetable claw 321 is a movable claw, and the movable claw matches the decompression roller 3122.

[0041] When in use, place the sample on the sample positioning rod 22 inserted on the sample positioning seat 21, then clamp the sample positioning plate 23, adjust the position of the bottom plate 1, and place the upper part of the sample into the upper pressure head 3. At this time, the sample cooperates with the pressure head inner core 32. Press down the upper pressure head outer shell 31, the longitudinal return spring 323 deforms, the pressure head inner core 32 remains stationary as a whole, the upper pressure head outer shell 31 moves downward, the pressure head inner core 32 remains stationary as a whole, the decompression roller 3122 rolls, and the resetable claw 321 squeezes inward to complete the flanging riveting action. After the operation is completed, the resetable claw 321 returns to its original position, and the device returns to the origin to facilitate the next action.

[0042] The upper pressure head outer shell 31 includes an upper column 311 and a lower support frame 312. The radius of the lower support frame 312 is greater than the radius of the upper column 311, and the two are transitioned by a slope. Fixing grooves 3121 are evenly arranged on the circumference of the lower support frame 312, and the decompression roller 3122 is arranged in the fixing grooves 3121.

[0043] During use, the decompression roller 3122 is snapped into the fixing groove 3121 to prevent it from deviating left and right. Riveting points can also be added according to actual needs, and the specifications of the upper punch housing 31 can be replaced according to the operation requirements.

[0044] At the lower end of the inner core rod 322 of the punch, fixing blocks are evenly arranged in a ring. The resetable claws 321 are evenly arranged on the fixing blocks. The resetable claws 321 are movable claws with their claw centers facing inwards. A transverse reset spring 324 is arranged between the resetable claws 321 and the inner core rod 322 of the punch.

[0045] During the operation, the number of mechanisms can be replaced according to actual needs, and the resetable claws 321 are connected and fixed by mounting pins.

[0046] The base plate 1 includes an upper base plate 11 and a position-adjustable base plate 12 stacked up and down. Quick-lock bolts 111 are installed on both sides of the upper base plate 11; the sample positioning mechanism 2 is arranged at the center position of the upper base plate 11.

[0047] Gaskets are arranged at the contact positions between the above-mentioned quick-lock bolts 11 and the base plate 11. The elasticity of the gaskets is beneficial to making the connection between components more stable. When the gaskets are worn, they can be replaced to ensure the service life of the equipment.

[0048] The position-adjustable base plate 12 includes a left-right adjustable base plate 121 and a front-back adjustable base plate 122, which are positioned by adjusting bolts and adjusting fixing holes. The above-mentioned adjusting bolts are used for fine-tuning the positions of the left-right adjustable base plate 121 and the front-back adjustable base plate 122, and the adjusting fixing holes are used to assist in quick positioning and improve the positioning efficiency.

[0049] Foldable handles 112 are arranged on two adjacent sides of the upper base plate 11 and the quick-lock bolts 111. During use, the equipment can be moved by using the foldable handles 112 according to needs. When in use, the foldable handles 112 are folded to avoid affecting the experimental process.

[0050] In the above specific embodiments, the purpose, technical solutions, and beneficial effects of the present invention have been further described in detail. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A flanging and riveting device for a bearing on a steering column, characterized in that: It comprises a base plate (1), a sample positioning mechanism (2) and an upper pressing head (3); The sample positioning mechanism (2) is arranged on the bottom plate (1) and is used to fix the sample; The upper pressing head (3) is arranged above the sample positioning mechanism (2), and comprises an upper pressing head outer shell (31) and a pressing head inner core (32) arranged in the upper pressing head outer shell (31), and the upper pressing head outer shell (31) and the pressing head inner core (32) are detachably fixed; The press head inner core (32) is provided with a repositionable buckle claw (321) that cooperates with the upper press head outer shell (31). When the position of the upper press head outer shell (31) changes, it drives the repositionable buckle claw (321) to shrink in the box and rivet the sample.

2. A steering column upper bearing flanging and riveting device according to claim 1, characterized in that: The sample positioning mechanism (2) comprises a sample positioning seat (21) arranged on the bottom plate (1), a cylindrical sample positioning rod (22) arranged at the center of the sample positioning seat (21), and a sample positioning plate (23) arranged on one side of the sample positioning rod (22).

3. A steering column upper bearing flanging and riveting device according to claim 1 or 2, characterized in that: The upper pressure head outer shell (31) comprises an upper column (311) and a lower support frame (312); the radius of the lower support frame (312) is greater than the radius of the upper column (311); a slope transition is formed between the two; fixed grooves (3121) are evenly arranged on the circumference of the lower support frame (312); a decompression roller (3122) corresponding to the resettable buckle claw (321) is fixed in the fixed groove (3121).

4. A steering column upper bearing flanging and riveting device according to claim 1, characterized in that: The resettable claw (321) is a movable claw, the pressure head inner core (32) comprises a pressure head inner core rod (322) and a longitudinal reset spring (323), and a transverse reset spring (324) is provided between the movable claw and the pressure head inner core rod (322).

5. The steering column upper bearing flanging and riveting device according to claim 1, characterized in that: The base plate (1) comprises an upper base plate (11) and a position adjustment base plate (12) stacked one above the other, and quick-locking bolts (111) are installed on both sides of the upper base plate (11); the sample positioning mechanism (2) is arranged at the center of the upper base plate (11).

6. A steering column upper bearing flanging and riveting device according to claim 5, characterized in that: The position adjustment base plate (12) comprises a left-right adjustment base plate (121) and a front-back adjustment base plate (122), and is positioned by using adjustment bolts and adjustment fixing holes.

7. A steering column upper bearing flanging and riveting device according to claim 5, characterized in that: Foldable handles (112) are provided on two sides of the upper base plate (11) adjacent to the quick locking bolts (111).

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