Fixing device for thin-walled workpieces

Abstract

The utility model belongs to thin -walled work piece processing technical field provides a kind of fixing device for thin -walled work piece. Fixing device for thin -walled work piece includes positioning frame, multiple first locating piece and multiple second locating piece. Positioning frame is circular, and multiple first locating holes are evenly spaced and set on the circumference of positioning frame, and multiple first locating holes are one-to-one correspondence with multiple mounting holes on thin -walled work piece, and the bottom surface of multiple first locating holes is provided with second locating hole, and multiple second locating holes are one-to-one correspondence with multiple first locating holes. First locating piece can be located in corresponding first locating hole and mounting hole. When fixing thin -walled work piece, only need to use the above positioning frame, multiple first locating piece and multiple second locating piece are used in cooperation with corresponding first locating hole and second locating hole, without using AB glue to fix thin -walled work piece, and the efficiency of fixing is higher, and avoid using AB glue to cause damage to the surface of thin -walled work piece.

Description

Technical Field

[0001] This utility model relates to the field of thin-walled workpiece processing technology, and in particular to a fixing device for thin-walled workpieces. Background Technology

[0002] Currently, when processing thin-walled parts, the bonding method is usually used, that is, using AB glue to fix the thin-walled workpiece to the pre-designed workpiece.

[0003] However, AB glue has a long curing time, which leads to a longer fixation time, resulting in lower fixation efficiency, and the surface of thin-walled workpieces is easily damaged when removing the glue.

[0004] Therefore, there is an urgent need for a fixing device for thin-walled workpieces to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a fixing device for thin-walled workpieces, so as to solve the technical problems of low fixing efficiency and easy damage to the surface of thin-walled workpieces in the prior art.

[0006] Based on the above concept, the technical solution adopted by this utility model is as follows:

[0007] A fixing device for thin-walled workpieces, including:

[0008] The positioning frame is circular in shape. Multiple first positioning holes are opened on the circumference of the positioning frame. The multiple first positioning holes are evenly spaced. The multiple first positioning holes are arranged one-to-one with multiple mounting holes on the thin-walled workpiece. Second positioning holes are opened on the bottom surface of the multiple first positioning holes. The multiple second positioning holes are arranged one-to-one with the multiple first positioning holes.

[0009] Multiple first positioning elements are provided, each corresponding to a multiple first positioning hole and a multiple mounting hole, and the first positioning elements can be located in the corresponding first positioning hole and the mounting hole.

[0010] Multiple second positioning elements are provided, each corresponding to a multiple second positioning hole and each corresponding to a multiple first positioning element; the second positioning element can be inserted into the corresponding first positioning element, one end of the second positioning element can be fixed in the corresponding second positioning hole, and the other end of the second positioning element can be located in the corresponding first positioning element.

[0011] When the head of the second positioning member is located inside the first positioning member, the first positioning member abuts against the mounting hole and the head of the second positioning member respectively, so as to fix the thin-walled workpiece on the positioning frame.

[0012] Furthermore, the first positioning hole is a pin hole, and the first positioning element is an expansion pin.

[0013] Furthermore, the second positioning hole is a threaded hole, and the second positioning element is a screw.

[0014] Furthermore, the axis of the first positioning hole coincides with the axis of the corresponding second positioning hole.

[0015] Furthermore, the positioning frame includes a circular ring and a reinforcing assembly, the reinforcing assembly being connected to the inner wall of the circular ring.

[0016] Furthermore, the reinforcing component includes a connector and a plurality of spaced-apart reinforcing members, one end of each of the plurality of reinforcing members being connected to the connector, and the other end of each of the plurality of reinforcing members being connected to the inner wall of the annular member.

[0017] Furthermore, a plurality of first hollow portions and a plurality of second hollow portions are formed between the ring member, the connecting member, and the plurality of reinforcing members, wherein the size of the first hollow portion is larger than the size of the second hollow portion.

[0018] Furthermore, an installation part is provided inside the first hollow part, and the number of installation parts is twice the number of the first hollow parts. Multiple first positioning holes are provided in a one-to-one correspondence with multiple installation parts, and the first positioning holes are opened in the corresponding installation parts.

[0019] Furthermore, the mounting part is connected to the inner wall of the annular component and is spaced apart from the reinforcing component.

[0020] Furthermore, four of each of the first positioning hole, the second positioning hole, the first positioning element, and the second positioning element are provided.

[0021] The beneficial effects of this utility model are:

[0022] This utility model provides a fixing device for thin-walled workpieces, comprising a positioning frame, a plurality of first positioning elements, and a plurality of second positioning elements. The positioning frame is annular, with a plurality of first positioning holes evenly spaced along its circumference. Each of the first positioning holes corresponds one-to-one with a plurality of mounting holes on the thin-walled workpiece. A second positioning hole is formed on the bottom surface of each of the first positioning holes, corresponding one-to-one with each of the first positioning holes. The plurality of first positioning elements also correspond one-to-one with both the first positioning holes and the mounting holes, allowing each first positioning element to be positioned within its corresponding first positioning hole and mounting hole. Multiple second positioning elements are configured one-to-one with multiple second positioning holes and one-to-one with multiple first positioning elements. The second positioning elements can pass through the corresponding first positioning elements, one end of the second positioning element can be fixed in the corresponding second positioning hole, and the other end of the second positioning element can be located in the corresponding first positioning element. When the other end of the second positioning element is located in the first positioning element, the first positioning element abuts against the mounting hole and the other end of the second positioning element respectively to fix the thin-walled workpiece on the positioning frame. When fixing the thin-walled workpiece, it is only necessary to use the above-mentioned positioning frame, multiple first positioning elements and multiple second positioning elements in conjunction with the corresponding first positioning holes and second positioning holes. There is no need to use AB glue to fix the thin-walled workpiece, which has a high fixing efficiency and avoids damage to the surface of the thin-walled workpiece caused by using AB glue. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0024] Figure 1 This is an exploded view of the thin-walled workpiece fixing device provided in this embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the fixing device for fixing thin-walled workpieces provided in this embodiment of the utility model.

[0026] Figure 3 This is a schematic diagram of the structure of the fixing device for thin-walled workpieces provided in this embodiment of the utility model;

[0027] Figure 4 This is a partial schematic diagram of a thin-walled workpiece being fixed by a fixing device according to an embodiment of the present invention.

[0028] In the picture:

[0029] 1. Positioning frame; 11. Circular ring; 12. Reinforcing member; 13. Connecting member; 14. First hollow part; 15. Second hollow part; 16. Mounting part; 2. First positioning hole; 3. Second positioning hole; 4. First positioning component; 5. Second positioning component; 100. Thin-walled workpiece; 101. Mounting hole. Detailed Implementation

[0030] To make the technical problem solved by this utility model, the technical solution adopted, and the technical effect achieved clearer, the technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining this utility model and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts related to this utility model are shown in the accompanying drawings, not all of them.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. In the description of this embodiment, unless otherwise specified, "multiple" specifically refers to two or more.

[0034] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0035] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on the other component or it can be located in between the component.

[0036] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0037] This embodiment provides a fixing device for thin-walled workpieces, which has high fixing efficiency and can avoid damage to the surface of thin-walled workpieces during the fixing process.

[0038] For example, such as Figures 1-4As shown, the fixing device for thin-walled workpieces includes a positioning frame 1, multiple first positioning elements 4, and multiple second positioning elements 5. The positioning frame 1 is annular, and multiple first positioning holes 2 are evenly spaced on its circumference. Each of the multiple first positioning holes 2 corresponds to a multiple mounting holes 101 on the thin-walled workpiece 100. Second positioning holes 3 are provided on the bottom surface of each of the multiple first positioning holes 2, and each of the multiple second positioning holes 3 corresponds to a multiple first positioning hole 2. The multiple first positioning elements 4 correspond to both the multiple first positioning holes 2 and the multiple mounting holes 101, and each first positioning element 4 can be positioned within its corresponding first positioning hole 2 and mounting hole 101. Multiple second positioning elements 5 are provided one-to-one with multiple second positioning holes 3 and one-to-one with multiple first positioning elements 4; the second positioning element 5 can pass through the corresponding first positioning element 4, one end of the second positioning element 5 can be fixed in the corresponding second positioning hole 3, and the other end of the second positioning element 5 can be located in the corresponding first positioning element 4. When the other end of the second positioning element 5 is located in the first positioning element 4, the first positioning element 4 abuts against the mounting hole 101 and the other end of the second positioning element 5 respectively, so as to fix the thin-walled workpiece 100 on the positioning frame 1. It is understandable that when fixing the thin-walled workpiece 100, it is only necessary to use the above-mentioned positioning frame 1, multiple first positioning elements 4 and multiple second positioning elements 5 in conjunction with the corresponding first positioning holes 2 and second positioning holes 3. One end of the second positioning element 5 is fixed in the corresponding second positioning hole 3, and the other end of the second positioning element 5 is located in the first positioning element 4. The first positioning element 4 abuts against the mounting hole 101 and the other end of the second positioning element 5, that is, the second positioning element 5 squeezes the first positioning element 4, and the first positioning element 4 abuts against the corresponding mounting hole 101. The thin-walled workpiece 100 is fixed by the friction between the first positioning element 4 and the corresponding mounting hole 101. There is no need to use AB glue to fix the thin-walled workpiece 100, the fixing efficiency is high, and the use of AB glue avoids damage to the surface of the thin-walled workpiece 100.

[0039] It should be noted that the first positioning member 4 has a hole, and the second positioning member 5 can be inserted into the hole of the corresponding first positioning member 4. The first positioning member 4 can undergo elastic deformation in the radial direction to better cooperate with the second positioning member 5 to squeeze the first positioning member 4, so that the first positioning member 4 fits more closely against the corresponding mounting hole 101.

[0040] Specifically, in this embodiment, the first positioning hole 2 can be a pin hole, and the first positioning member 4 can be an expansion pin. The mounting hole 101 can also be a pin hole. When the second positioning member 5 is located inside the first positioning member 4 and applies an outward force to the first positioning member 4, it can drive the first positioning member 4 to move toward the hole wall of the mounting hole 101 and generate radial deformation, thereby forming a tight contact between the first positioning member 4 and the mounting hole 101 to fix the thin-walled workpiece 100. The pin hole can be a D8H7 pin hole, and the expansion pin can be a D8H7 expansion pin. Of course, in other embodiments, the pin hole and expansion pin can also be other types, as long as they meet the actual use requirements. This embodiment does not make specific limitations. The working principle of the expansion pin is prior art, and will not be described in detail in this embodiment.

[0041] Furthermore, the second positioning hole 3 can be a threaded hole, and the second positioning element 5 can be a screw. The second positioning element 5 is threadedly connected to the second positioning hole 3, with one end of the second positioning element 5 being the end of the screw shank away from its head, and the other end of the second positioning element 5 being the position where the screw head is located.

[0042] Furthermore, such as Figure 2 As shown, the axis of the first positioning hole 2 coincides with the axis of the corresponding second positioning hole 3. It can be understood that by aligning the axis of the first positioning hole 2 with the axis of the second positioning hole 3, it is easier for the second positioning member 5 to pass through the first positioning member 4 and connect to the second positioning hole 3, thus facilitating installation.

[0043] Furthermore, the positioning frame 1 includes a circular ring 11 and a reinforcing assembly, the reinforcing assembly being connected to the inner wall of the circular ring 11. It is understood that by providing the reinforcing assembly, the strength of the positioning frame 1 itself is improved, thereby enhancing the stability of fixing the thin-walled workpiece 100.

[0044] Furthermore, such as Figure 1 and Figure 3 As shown, the reinforcing assembly includes a connector 13 and multiple spaced-apart reinforcing members 12. One end of each reinforcing member 12 is connected to the connector 13, and the other end of each reinforcing member 12 is connected to the inner wall of the annular member 11. It can be understood that by providing multiple reinforcing members 12, with one end of each reinforcing member 12 connected to the connector 13, i.e., adjacent reinforcing members 12 are arranged at an angle, the strength of the positioning frame 1 is further improved.

[0045] Furthermore, multiple first hollow portions 14 and multiple second hollow portions 15 are formed between the annular member 11, the connecting member 13, and the multiple reinforcing members 12. The size of the first hollow portion 14 is larger than the size of the second hollow portion 15. It is understood that by forming the first hollow portion 14 and the second hollow portion 15, the weight of the positioning frame 1 can be reduced, making it easier for workers to use.

[0046] Furthermore, such as Figure 1 As shown, a mounting portion 16 is provided within the first hollow portion 14, and the number of mounting portions 16 is twice the number of the first hollow portions 14. Multiple first positioning holes 2 are correspondingly provided with multiple mounting portions 16, and the first positioning holes 2 are formed within the corresponding mounting portions 16. Specifically, multiple second positioning holes 3 are also correspondingly provided with multiple mounting portions 16. It can be understood that by providing mounting portions 16 within the first hollow portion 14, it is convenient to form the first positioning holes 2 and the second mounting holes 101 on the positioning frame 1. Furthermore, by placing the mounting portions 16 within the relatively large first hollow portion 14, it is convenient to set up multiple mounting portions 16 within the same first hollow portion 14. Of course, in other embodiments, the number of mounting portions 16 is three times the number of the first hollow portions 14, or the number of mounting portions 16 is the same as the number of the first hollow portions 14, which can be determined according to actual usage requirements. This embodiment does not impose specific limitations.

[0047] Furthermore, the mounting part 16 is connected to the inner wall of the annular member 11 and is spaced apart from the reinforcing member 12. It can be understood that the spaced-apart arrangement of the mounting part 16 and the reinforcing member 12 facilitates the worker to fix the thin-walled workpiece 100 from the side of the positioning frame 1 away from the thin-walled workpiece 100 when fixing the thin-walled workpiece 100.

[0048] In this embodiment, as Figure 1 As shown, four of each of the first positioning hole 2, the second positioning hole 3, the first positioning element 4, and the second positioning element 5 are provided. Further, it is conceivable that two of the first hollow portion 14 and four of the mounting portion 16 are provided. In this embodiment, four of the second hollow portion 15 are provided. Of course, in other embodiments, the specific number of four of each of the first positioning hole 2, the second positioning hole 3, the first positioning element 4, and the second positioning element 5 can be determined according to actual usage requirements.

[0049] In this embodiment, as Figure 1 and Figure 4 As shown, the process of fixing the thin-walled workpiece 100 using a fixing device is as follows:

[0050] First, place the thin-walled workpiece 100 on the positioning frame 1 and align the first positioning hole 2 with the corresponding mounting hole 101.

[0051] Then, the first positioning member 4 is placed in the mounting hole 101 and the first positioning hole 2 to prevent the thin-walled workpiece 100 from being misaligned.

[0052] Finally, the second positioning member 5 is screwed into the first positioning member 4 until one end of the second positioning member 5 is connected to the second positioning hole 3 and the second positioning member 5 no longer moves. At this time, the second positioning member 5 presses against the first positioning member 4 and the first positioning member 4 abuts against the corresponding mounting hole 101. The thin-walled workpiece 100 is fixed by the friction between the first positioning member 4 and the corresponding mounting hole 101. After that, the processing operation of the thin-walled workpiece 100 can be performed.

[0053] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A fixing device for thin-walled workpieces, characterized in that, include: Positioning frame (1), the positioning frame (1) is in the shape of a ring, and a plurality of first positioning holes (2) are opened in the circumferential direction of the positioning frame (1). The plurality of first positioning holes (2) are evenly spaced, and the plurality of first positioning holes (2) are corresponding one-to-one with a plurality of mounting holes (101) on the thin-walled workpiece (100). A second positioning hole (3) is opened on the bottom surface of the plurality of first positioning holes (2), and the plurality of second positioning holes (3) are corresponding one-to-one with the plurality of first positioning holes (2). Multiple first positioning elements (4) are provided, each of which corresponds to a multiple first positioning hole (2) and a multiple mounting hole (101). The first positioning element (4) can be located in the corresponding first positioning hole (2) and the mounting hole (101). Multiple second positioning elements (5) are provided, each corresponding to a multiple second positioning hole (3) and a multiple first positioning element (4); the second positioning element (5) can be inserted into the corresponding first positioning element (4), one end of the second positioning element (5) can be fixed in the corresponding second positioning hole (3), and the other end of the second positioning element (5) can be located in the corresponding first positioning element (4); When the head of the second positioning member (5) is located inside the first positioning member (4), the first positioning member (4) abuts against the mounting hole (101) and the head of the second positioning member (5) respectively, so as to fix the thin-walled workpiece (100) on the positioning frame (1).

2. The fixing device for thin-walled workpieces according to claim 1, characterized in that, The first positioning hole (2) is a pin hole, and the first positioning element (4) is an expansion pin.

3. The fixing device for thin-walled workpieces according to claim 2, characterized in that, The second positioning hole (3) is a threaded hole, and the second positioning element (5) is a screw.

4. The fixing device for thin-walled workpieces according to claim 3, characterized in that, The axis of the first positioning hole (2) coincides with the axis of the corresponding second positioning hole (3).

5. The fixing device for thin-walled workpieces according to claim 1, characterized in that, The positioning frame (1) includes a ring (11) and a reinforcing component, the reinforcing component being connected to the inner wall of the ring (11).

6. The fixing device for thin-walled workpieces according to claim 5, characterized in that, The reinforcing component includes a connector (13) and a plurality of spaced reinforcing members (12). One end of each of the plurality of reinforcing members (12) is connected to the connector (13), and the other end of each of the plurality of reinforcing members (12) is connected to the inner wall of the annular member (11).

7. The fixing device for thin-walled workpieces according to claim 6, characterized in that, A plurality of first hollow portions (14) and a plurality of second hollow portions (15) are formed between the ring member (11), the connector (13) and the plurality of reinforcing members (12), wherein the size of the first hollow portion (14) is larger than the size of the second hollow portion (15).

8. The fixing device for thin-walled workpieces according to claim 7, characterized in that, The first hollow portion (14) is provided with an installation portion (16), the number of installation portions (16) is twice the number of the first hollow portion (14), and a plurality of first positioning holes (2) are provided in correspondence with a plurality of installation portions (16), and the first positioning holes (2) are opened in the corresponding installation portions (16).

9. The fixing device for thin-walled workpieces according to claim 8, characterized in that, The mounting part (16) is connected to the inner wall of the annular part (11) and is spaced apart from the reinforcing part (12).

10. The fixing device for thin-walled workpieces according to any one of claims 1-9, characterized in that, The first positioning hole (2), the second positioning hole (3), the first positioning element (4) and the second positioning element (5) are each provided with four.

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