Riveting clamp with limiting plate

By using a combination of limiting plates and insert structures, the high cost and non-replaceability issues caused by the fixed positioning pins of traditional fixtures are solved, enabling low-cost processing and fixture design that can flexibly adapt to bushings of different sizes.

CN223655963UActive Publication Date: 2025-12-12ANHUI NINGGUGO ZHONGDING MOLD MFG CO LTD
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Patent Information

Application Number
CN202422991208.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-12
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Traditional fixtures have locating pins fixed to limit plates, and the recessed grooves require electrical pulse machining, which is costly and cannot be replaced. Furthermore, the locating pins cannot be replaced when they are partially damaged.

Method used

It adopts a combined limiting plate and insert structure, with the positioning pin independently riveted in the insert. The side groove can be machined by a milling machine, and the positioning pin is replaceable to adapt to bushings of different sizes.

Benefits of technology

It reduces processing costs, improves the flexibility and ease of maintenance of fixtures, and adapts to the needs of bushings of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a riveting fixture with a limiting plate, which relates to the technical field of experimental fixtures, comprises an upper mounting plate and a lower mounting plate, and is characterized in that a combined lower fixture is mounted on the lower mounting plate, an upper fixture matched with the lower fixture to clamp a bushing is further mounted on the upper mounting plate, the lower fixture comprises the limiting plate, a positioning pin and an insert, and the limiting plate is arranged on the lower mounting plate. The positioning pin is riveted to the middle of the insert, and the insert is riveted to the limiting plate. Compared with a traditional integrated lower clamp, a side groove needs to be machined through electric pulse, the positioning pin is independent, the side groove can be directly machined through a milling machine, and cost is greatly saved; and the combined lower clamp can be used for replacing a positioning pin or an insert when being locally damaged or matched with bushings with different sizes, so that the operation is more flexible, and the cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental fixture technical field, especially relate to a riveting fixture with limiting plate. BACKGROUND

[0002] A kind of bushing for automobile rear subframe, after production, need to be subjected to resistance and other experiments, to ensure that quality of factory. When experiment, bushing is installed on specially-made fixture, can be subjected to experiment after being fixed by fixture.

[0003] The fixture has a positioning pin, the bushing is installed on the positioning pin, the side of the positioning pin has a recess groove matched with the bushing, but the traditional fixture has the positioning pin fixed on the limiting plate, the recess groove can only be machined by electric pulse process, when producing the positioning pin on the fixture, it takes a long time and costs high, and the positioning pin is fixedly installed on the fixture, and cannot be replaced when local problem occurs, so the existing fixture needs to be improved. UTILITY MODEL CONTENTS

[0004] In view of the problems mentioned in the background art, the utility model aims to provide a riveting fixture with limiting plate to solve the problems mentioned in the background art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A riveting fixture with limiting plate, comprising an upper mounting plate and a lower mounting plate, the lower mounting plate is provided with a combined lower clamp, the upper mounting plate is further provided with an upper clamp for cooperating with the lower clamp to clamp the bushing, the lower clamp comprises a limiting plate, a positioning pin and an insert, the positioning pin is riveted in the middle of the insert, and the insert is riveted on the limiting plate.

[0007] As a preferred technical scheme, a mounting hole one is formed in the middle of the limiting plate, the insert comprises a mounting ring, the mounting ring is inserted into the mounting hole one, and the top end of the mounting ring is flush with the top end of the limiting plate.

[0008] As a preferred technical scheme, a step ring is arranged in the mounting hole one, a bottom ring is arranged on the outer wall of the bottom end of the mounting ring, the top end of the mounting ring is inserted into the step ring, the top end of the bottom ring is in contact with the bottom end of the step ring, and the bottom ring is inserted into the bottom end of the mounting hole one.

[0009] As a preferred technical scheme, a mounting hole two is formed in the mounting ring along the central axis, a mounting side hole is formed in the mounting hole two along the diameter of the two ends, and the positioning pin is inserted into the mounting hole two and the mounting side hole.

[0010] As a preferred technical scheme, positioning columns for positioning the bushing are arranged on both sides of the mounting side hole.

[0011] As a preferred technical scheme, the side plate is arranged at the middle part of the outer wall of the positioning pin along the two ends of the diameter, the buckle is arranged at the top end of the side plate, the positioning pin is inserted into the installation hole two, and the side plate is inserted into the installation side hole.

[0012] As a preferred technical scheme, the side groove is arranged on the buckle and is used for being attached to the inner wall of the bushing.

[0013] As a preferred technical scheme, the buckle groove is arranged at the top end of the limiting plate and is used for being attached to the bottom of the bushing.

[0014] As a preferred technical scheme, the installation table is arranged on the lower installation plate, the positioning hole is arranged on the limiting plate and penetrates the limiting plate and is symmetrical about the axis, and the limiting plate is riveted to the installation table through the positioning hole and the positioning rod on the installation table.

[0015] As a preferred technical scheme, the bolt hole is arranged on the limiting plate and penetrates the limiting plate, and the limiting plate is arranged on the lower installation plate through the fixing bolt inserted into the bolt hole.

[0016] Beneficial effects

[0017] Compared with the traditional integrated lower clamp, the side groove needs to be machined by electric pulse, the positioning pin is separated out, the side groove can be directly machined by a milling machine, and cost is greatly saved; and when the lower clamp is combined, the positioning pin or the insert can be replaced when the lower clamp is locally damaged or matches different sizes of bushings, so that the lower clamp is more flexible and cost is saved.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional structure of a riveting clamp with a limiting plate is provided in the present application;

[0020] Figure 2 A three-dimensional structure of a lower clamp of the present application is provided;

[0021] Figure 3 A three-dimensional structure of a limiting plate of the present application is provided Figure 1 ;

[0022] Figure 4 A three-dimensional structure of a limiting plate of the present application is provided Figure 2 ;

[0023] Figure 5 A three-dimensional structure of a positioning pin of the present application is provided;

[0024] Figure 6 A three-dimensional structure of an insert of the present application is provided.

[0025] 1, upper mounting plate; 2, lower mounting plate; 3, upper guide column; 4, lower guide column; 5, upper clamp; 6, lower clamp; 61, limiting plate; 611, clamping groove; 612, mounting hole one; 6121, step ring; 613, bolt hole; 614, positioning hole; 62, positioning pin; 621, side plate; 622, side groove; 63, insert; 631, bottom ring; 632, mounting ring; 633, positioning column; 634, mounting hole two; 635, mounting side hole; 7, fixing bolt. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0027] Embodiment 1

[0028] Reference Figures 1 to 6 The riveting clamp with a limiting plate described in this embodiment comprises an upper mounting plate 1 and a lower mounting plate 2, the upper mounting plate 1 is provided with at least two groups of upper guide columns 3 and upper clamps 5 at the bottom end, the lower mounting plate 2 is provided with at least two groups of lower guide columns 4 and mounting tables 8, and the lower mounting plate 2 is provided with lower clamps 6 through a plurality of groups of fixing bolts 7, the upper guide columns 3 and the lower guide columns 4 are in one-to-one correspondence when clamping, and the lower clamps 6 are riveted with the mounting tables 8.

[0029] The lower clamp 6 comprises a limiting plate 61, a positioning pin 62 and an insert 63, the limiting plate 61 is installed on the mounting table 8 through a plurality of groups of fixing bolts 7, the positioning pin 62 is riveted in the middle of the insert 63, and the insert 63 is riveted on the limiting plate 61.

[0030] A mounting hole one 612 for installing the insert 63 is formed in the middle of the limiting plate 61, the mounting hole one 612 is symmetrically provided with a positioning hole 614 penetrating through the limiting plate 61, a clamping groove 611 for clamping with the bottom of the bushing is formed around the mounting hole one 612 and the positioning hole 614, and a bolt hole 613 for installing the fixing bolt 7 is formed through the four corners of the limiting plate 61, the positioning hole 614 is sleeved on the positioning rod on the mounting table 8, so as to ensure the accuracy of the relative position of the limiting plate 61 and the mounting table 8.

[0031] A step ring 6121 is arranged in the mounting hole one 612, the top end of the step ring 6121 is flush with the top end of the limiting plate 61, and the diameter of the step ring 6121 is smaller than the diameter of the mounting hole one 612.

[0032] The insert 63 comprises a bottom ring 631 and a mounting ring 632, the bottom ring 631 is arranged on the outer wall of the bottom end of the mounting ring 632, and the diameter of the mounting ring 632 is smaller than that of the bottom ring 631, the mounting hole two 634 is arranged through the mounting ring 632 along the central axis, the mounting side hole 635 is arranged through the mounting hole two 634 along the diameter of the two ends, the positioning column 633 for positioning the bushing is arranged on both sides of the mounting side hole 635, and the positioning pin 62 is inserted into the mounting hole two 634 and the mounting side hole 635.

[0033] The mounting ring 632 is inserted into the mounting hole one 612, the top end outer wall of the mounting ring 632 is attached to the inner wall of the step ring 6121, the top end of the bottom ring 631 is in contact with the bottom end of the step ring 6121, and the outer wall of the bottom ring 631 is attached to the inner wall of the mounting hole one 612. The step ring 6121 ensures that the top end of the insert 63 is flush with the top end of the limiting plate 61, so that the bushing is more suitable when being inserted on the positioning pin 62.

[0034] The positioning pin 62 is provided with a side plate 621 on the outer wall of the two ends along the diameter, the top end of the side plate 621 is provided with a buckle 622, the buckle 622 is attached to the positioning pin 62, and the side groove 623 for being attached to the inner wall of the bushing is arranged on the buckle 622.

[0035] The positioning pin 62 is inserted into the mounting hole two 634, and the side plate 621 is inserted into the mounting side hole 635.

[0036] When assembling, the positioning pin 62 is riveted in the insert 63, and then the insert 63 is riveted in the limiting plate 61 to form a complete lower clamp 6, the fixing bolt 7 is fixed and mounted on the mounting table 8 through the bolt hole 613, and after the assembly is completed, the to-be-tested bushing is sleeved on the positioning pin 62, the edge of the bushing is clamped into the clamping groove 611, and the upper guide column 3 is in contact with the lower guide column 4 after the upper mounting plate 1 is lowered, so that the upper clamp 5 and the lower clamp 6 clamp the bushing.

[0037] Compared with the traditional integrated lower clamp 6, the side groove 623 needs to be machined by electric pulse, the positioning pin 62 is separated out in the device, the side groove 623 can be directly machined by a milling machine, which greatly saves the cost; and the combined lower clamp 6 can be replaced by the positioning pin 62 or the insert 63 when being partially damaged or matching different sizes of bushings, which is more flexible and saves the cost.

[0038] It should be understood that the orientation or positional relationship indicated by terms such as "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely intended to facilitate the description of the present application and simplify the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0039] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0040] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application. It should be covered within the protection scope of the present application.

Claims

1. A riveting fixture with a limiting plate, comprising an upper mounting plate (1) and a lower mounting plate (2), characterized in that: The lower mounting plate (2) is mounted with a combined lower clamp (6), and the upper mounting plate (1) is also mounted with an upper clamp (5) for clamping the bushing in cooperation with the lower clamp (6), the lower clamp (6) comprises a limiting plate (61), a positioning pin (62) and an insert (63), the positioning pin (62) is riveted in the middle of the insert (63), and the insert (63) is riveted on the limiting plate (61).

2. The clinch clamp with a stopper plate according to claim 1, characterized in that: The middle of the limiting plate (61) is provided with a mounting hole one (612), the insert (63) comprises a mounting ring (632), the mounting ring (632) is inserted into the mounting hole one (612), and the top end of the mounting ring (632) is flush with the top end of the limiting plate (61).

3. The clamped rivet with a stop plate according to claim 2, characterized in that: The mounting hole one (612) is provided with a step ring (6121), the bottom end of the mounting ring (632) is provided with a bottom ring (631), the top end of the mounting ring (632) is inserted into the step ring (6121), the top end of the bottom ring (631) is in contact with the bottom end of the step ring (6121), and the bottom ring (631) is inserted into the bottom end of the mounting hole one (612).

4. The clamped rivet with a stopper plate according to claim 2, characterized in that: The mounting ring (632) is provided with a mounting hole two (634) penetrating along the central axis, the mounting hole two (634) is provided with a mounting side hole (635) penetrating the mounting ring (632) along the diameter of the two ends, and the positioning pin (62) is inserted into the mounting hole two (634) and the mounting side hole (635).

5. The clamped rivet with a stop plate according to claim 4, characterized in that: The mounting side hole (635) is provided with a positioning column (633) for positioning the bushing on both sides.

6. The clamped rivet with a stop plate according to claim 4, characterized in that: The positioning pin (62) is provided with a side plate (621) on the middle of the outer wall of the diameter of the two ends, the top end of the side plate (621) is provided with a buckle (622), the buckle (622) is attached to the positioning pin (62), the positioning pin (62) is inserted into the mounting hole two (634), and the side plate (621) is inserted into the mounting side hole (635).

7. The clamped rivet with a stop plate according to claim 6, characterized in that: The buckle (622) is provided with a side groove (623) for attaching to the inner wall of the bushing.

8. The clamped rivet with a stopper plate according to claim 1, characterized in that: The top end of the limiting plate (61) is provided with a clamping groove (611) for clamping the bottom of the bushing.

9. The clamped rivet with a stopper plate according to claim 1, characterized in that: The lower mounting plate (2) is provided with a mounting table (8), the limiting plate (61) is provided with a positioning hole (614) penetrating the limiting plate (61) symmetrically about the axis, and the limiting plate (61) is riveted to the mounting table (8) by being sleeved on the positioning rod of the mounting table (8) through the positioning hole (614).

10. The clamped rivet with a stopper plate according to claim 1, characterized in that: The limiting plate (61) is provided with a bolt hole (613) penetrating, and the limiting plate (61) is mounted on the lower mounting plate (2) through the fixing bolt (7) inserted into the bolt hole (613).