Aerospace and aviation nut fixing clamp

Abstract

The utility model belongs to the technical field of fixing clamps, and particularly relates to a space flight and aviation nut fixing clamp which comprises a base and a fixing mechanism, and the fixing mechanism comprises a machining table fixed to the top face of the base; the multiple clamping plates are distributed in the circumferential direction at equal intervals, and guide sliding holes are machined in the clamping plates; the first fixing plate is fixed to the top face of the machining table. A horizontal cylinder; the pressing block is installed on the clamping plate in a sliding mode, and the pressing block penetrates through the guide sliding hole; the driving mechanism drives the pressing block to move in the vertical direction; according to the nut tapping device, the fixing mechanism is used for fixing the nut, the clamping plate can clamp the nut laterally, the pressing block is used for pressing the nut from the upper portion, the stability of the nut in the tapping process is greatly improved, it is avoided that the nut shakes longitudinally to affect the tapping precision, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixing fixtures, and in particular relates to an aerospace nut fixing fixture. Background Art

[0002] A fixture is a device used to fix the object to be processed during the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a clamp.

[0003] The general term for the navigation activities of aviation and aerospace vehicles in the Earth's atmosphere and space. Nuts are needed on the basis of aerospace. Nuts are indispensable parts in the production process of aerospace equipment. In the production process of nuts, fixing fixtures are needed to fix the nuts well.

[0004] For example, in the prior art, a Chinese utility model patent with authorization announcement number CN211540322U discloses "an aerospace nut fixing fixture", which includes a base, a fixing groove is provided on the top of the base, a fixing seat is rotatably installed in the fixing groove, a mounting seat is fixedly installed on the top of the fixing seat, a mounting groove is provided on the top of the mounting seat, a rotating plate is rotatably installed in the mounting groove, a nut is placed on the top of the rotating plate, and two clamping mechanisms are provided on the rotating plate, both of which are adapted to the nut.

[0005] Although the nut fixing fixtures in the prior art, including those mentioned above, can meet general usage requirements, their stability is insufficient. For example, when tapping a nut, the nut is subjected to not only lateral torsion but also high longitudinal force. Since the nut lacks vertical fixation, longitudinal vibration is easily generated, affecting the processing accuracy.

[0006] In order to solve the above problems, the utility model proposes an aerospace nut fixing fixture. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides an aerospace nut fixing clamp, which has the characteristics of easy use and high stability.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an aerospace nut fixing fixture, comprising a base and a fixing mechanism fixed to the top of the base, wherein the base is fixed to the processing platform of a tapping machine, and the fixing mechanism comprises:

[0009] a processing table, the processing table being fixed to the top surface of the base;

[0010] A plurality of clamping plates are evenly spaced along the circumferential direction, and guide sliding holes are machined on the clamping plates;

[0011] A No. 1 fixing plate, the No. 1 fixing plate being fixed to the top surface of the processing table;

[0012] A horizontal cylinder, wherein the horizontal cylinder is fixed on the first fixing plate, and the piston rod of the horizontal cylinder passes through the first fixing plate and is fixedly connected to the clamping plate;

[0013] A pressing block, the pressing block is slidably mounted on the clamping plate and passes through the guide sliding hole;

[0014] A driving mechanism drives the pressing block to move in a vertical direction.

[0015] As a preferred technical solution of the present invention, the driving mechanism includes:

[0016] A movable plate, the movable plate being fixed to the rear end of the pressing block;

[0017] A second fixing plate, two of which are fixed at intervals on the back side of the clamping plate;

[0018] A No. 1 threaded screw, the No. 1 threaded screw being rotatably mounted between the two No. 2 fixed plates, and the No. 1 threaded screw penetrating the movable plate and being connected to the movable plate by screwing;

[0019] A No. 1 driving motor is fixed on the No. 2 fixing plate and is used for driving the No. 1 threaded screw to rotate.

[0020] As a preferred technical solution of the utility model, it also includes:

[0021] Guide columns, two of which are symmetrically fixed between the two second fixed plates, and the guide columns pass through the movable plate.

[0022] As a preferred technical solution of the present invention, the outer wall of the pressing block abuts against the inner wall of the guide sliding hole.

[0023] As a preferred technical solution of the utility model, it also includes:

[0024] Guide blocks, two of which are symmetrically fixed to the outer wall of the first fixing plate;

[0025] A No. 1 guide rod, wherein two No. 1 guide rods are symmetrically fixed on the back side of the clamping plate, and the No. 1 guide rods pass through the guide block.

[0026] As a preferred technical solution of the utility model, it also includes a transfer mechanism, which is fixed to the processing platform of the tapping machine and is used to drive the base to move horizontally, and the transfer mechanism includes:

[0027] A movable seat, the movable seat being fixed to the bottom surface of the base;

[0028] A third fixing plate, two of which are symmetrically fixed on the processing platform of the tapping machine;

[0029] A second threaded screw, the second threaded screw being fixed between the two third fixing plates, and the second threaded screw passing through the movable seat and being connected to the movable seat by screwing;

[0030] A No. 2 drive motor is fixed on the No. 3 fixed plate and is used for driving the No. 2 threaded screw to rotate.

[0031] As a preferred technical solution of the present invention, the transfer mechanism further includes:

[0032] A No. 2 guide rod, wherein the two No. 2 guide rods are symmetrically fixed between the two No. 3 fixing plates, and the No. 2 guide rods pass through the moving seat.

[0033] As a preferred technical solution of the present invention, the transfer mechanism further includes:

[0034] Slide rails, two of which are symmetrically fixed on the processing platform of the tapping machine;

[0035] A slider is fixed to the bottom surface of the base and slidably cooperates with the slide rail.

[0036] Compared with the prior art, the beneficial effects of the present invention are:

[0037] In the utility model, a fixing mechanism is provided to fix the nut, the clamping plate can clamp the nut laterally, and the pressure block is used to press the nut from above, which greatly improves the stability of the nut during tapping, avoids longitudinal shaking of the nut that affects the tapping accuracy, and ensures the quality of the product.

[0038] Other additional advantages and beneficial effects of the present invention will be partially given in the following description, and partially become obvious from the following description, or be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0040] Figure 1 It is a structural diagram of the utility model;

[0041] Figure 2This is a schematic diagram of the axonometric structure of the fixing mechanism in the present utility model;

[0042] Figure 3 For this utility model Figure 2 A in the figure is an enlarged structural diagram.

[0043] In the figure: 1. Base; 2. Fixing mechanism; 21. Processing table; 22. Clamping plate; 221. Guide slide hole; 222. Guide rod No. 1; 23. Fixing plate No. 1; 231. Guide block; 24. Horizontal cylinder; 25. Pressing block; 251. Moving plate; 26. Fixing plate No. 2; 27. Threaded screw No. 1; 28. Drive motor No. 1; 29. ​​Guide column; 3. Transfer mechanism; 31. Moving seat; 32. Fixing plate No. 3; 33. Threaded screw No. 2; 34. Drive motor No. 2; 35. Guide rod No. 2; 36. Slide rail; 37. Slider. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0045] See also Figure 1-Figure 3 The utility model provides the following technical solutions: an aerospace nut fixing fixture, comprising a base 1 and a fixing mechanism 2 fixed to the top of the base 1, the base 1 is fixed to the processing platform of the tapping machine, and the fixing mechanism 2 comprises: a processing table 21, a clamping plate 22, a No. 1 fixing plate 23, a horizontal cylinder 24, a pressure block 25 and a driving mechanism.

[0046] Further, by Figure 1-Figure 3As described above, in this embodiment, the processing table 21 is fixed to the top surface of the base 1, and a plurality of clamping plates 22 are evenly spaced along the circumferential direction, and a guide slide hole 221 is processed on the clamping plate 22. The No. 1 fixing plate 23 is fixed to the top surface of the processing table 21, and the horizontal cylinder 24 is fixed to the No. 1 fixing plate 23, and the piston rod of the horizontal cylinder 24 passes through the No. 1 fixing plate 23 and is fixedly connected to the clamping plate 22. The pressure block 25 is slidably installed on the clamping plate 22, and the pressure block 25 passes through the guide slide hole 221. The driving mechanism drives the pressure block 25 to move in the vertical direction. After adopting the above scheme When in use, the base 1 is fixed on the processing platform of the tapping machine, and the nut blank to be tapped is placed on the processing table 21. Then, the horizontal cylinder 24 is started, and the piston rod of the horizontal cylinder 24 pushes the clamping plate 22 to move. The nut blank is clamped from the side by the clamping plate 22. Then, the driving mechanism is started to drive the pressure block 25 to move downward, and the pressure block 25 is used to press the nut blank from above, which greatly improves the stability of the nut during tapping, avoids longitudinal shaking of the nut that affects the tapping accuracy, and ensures the quality of the product. Finally, the nut blank can be tapped using the tapping machine.

[0047] Optionally, by Figure 1-Figure 3 As described above, in this embodiment, the driving mechanism includes: a movable plate 251, a No. 2 fixed plate 26, a No. 1 threaded screw 27 and a No. 1 driving motor 28. The movable plate 251 is fixed to the tail end of the pressure block 25, and the two No. 2 fixed plates 26 are fixed at intervals on the back of the clamping plate 22. The No. 1 threaded screw 27 is rotatably installed between the two No. 2 fixed plates 26, and the No. 1 threaded screw 27 passes through the movable plate 251 and is connected to the movable plate 251 by threaded engagement. The No. 1 driving motor 28 is fixed on the No. 2 fixed plate 26 and is used to drive the No. 1 threaded screw 27 to rotate. After adopting the above scheme, when in use, the No. 1 driving motor 28 is started to drive the No. 1 threaded screw 27 to rotate. Under the action of the threaded engagement, the movable plate 251 drives the pressure block 25 to move in the vertical direction.

[0048] Preferably, by Figure 1-Figure 3 As described, in this embodiment, it also includes: guide columns 29, two guide columns 29 are symmetrically fixed between the two second fixed plates 26, and the guide columns 29 pass through the movable plate 251. After adopting the above scheme, when in use, the two guide columns 29 are used to guide the movable plate 251, thereby improving the stability of the movable plate 251, thereby improving the stability of the pressing block 25.

[0049] Preferably, by Figure 1-Figure 3 As described above, in this embodiment, the outer wall of the pressing block 25 abuts against the inner wall of the guide sliding hole 221. After adopting the above solution, the stability of the pressing block 25 is further improved, and the shaking or movement of the pressing block 25 is prevented from affecting the stability of the clamping.

[0050] Preferably, by Figure 1-Figure 3As described, this embodiment also includes: a guide block 231 and a No. 1 guide rod 222, the two guide blocks 231 are symmetrically fixed to the outer wall of the No. 1 fixed plate 23, the two No. 1 guide rods 222 are symmetrically fixed to the back of the clamping plate 22, and the No. 1 guide rod 222 passes through the guide block 231. After adopting the above scheme, when in use, the two No. 1 guide rods 222 are used to guide the clamping plate 22, thereby improving the stability of the clamping plate 22.

[0051] Preferably, by Figure 1 The above-mentioned embodiment also includes a transfer mechanism 3, which is fixed on the processing platform of the tapping machine and is used to drive the base 1 to move horizontally, and the transfer mechanism 3 includes: a moving seat 31, a No. 3 fixing plate 32, a No. 2 threaded screw 33 and a No. 2 driving motor 34. The moving seat 31 is fixed to the bottom surface of the base 1, and the two No. 3 fixing plates 32 are symmetrically fixed on the processing platform of the tapping machine. The No. 2 threaded screw 33 is fixed between the two No. 3 fixing plates 32, and the No. 2 threaded screw 33 passes through the moving seat 31 and is connected to the moving seat 31 by threaded engagement. The No. 2 driving motor 34 is fixed on the No. 3 fixing plate 32 and is used to drive the No. 2 threaded screw 33 to rotate. After adopting the above scheme, when in use, the No. 2 driving motor 34 is started to drive the No. 2 threaded screw 33 to rotate. Under the action of the threaded engagement, the moving seat 31 drives the base 1 to move horizontally, which is convenient for transferring the nut between different workstations. Therefore, after adopting the above design, the fixing fixture is suitable for the nut processing line.

[0052] Preferably, by Figure 1 As described, in this embodiment, the transfer mechanism 3 also includes: a No. 2 guide rod 35, two No. 2 guide rods 35 are symmetrically fixed between the two No. 3 fixed plates 32, and the No. 2 guide rod 35 passes through the movable seat 31. After adopting the above scheme, when in use, the two No. 2 guide rods 35 are used to guide the base 1 to improve the stability of the base 1.

[0053] Preferably, by Figure 1 As described, in this embodiment, the transfer mechanism 3 also includes: a slide rail 36 and a slider 37. The two slide rails 36 are symmetrically fixed on the processing platform of the tapping machine, and the slider 37 is fixed to the bottom surface of the base 1 and slides with the slide rail 36. After adopting the above scheme, when in use, the slide rail 36 and the slider 37 cooperate to further support the base 1 and guide the base 1, thereby further improving the stability of the base 1.

[0054] It should be noted that the horizontal cylinder 24, the No. 1 drive motor 28 and the No. 2 drive motor 34 are all conventional commercially available equipment with built-in power switches. Those skilled in the art can make conventional selections based on usage needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed by the existing technology, so they will not be elaborated on in this article.

[0055] The circuit connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0056] Components not described in detail herein are prior art.

[0057] The working principle and use process of the utility model: When the fixing fixture of the utility model is used, the base 1 is fixed on the processing platform of the tapping machine, and the nut blank to be tapped is placed on the processing table 21;

[0058] Then, the horizontal cylinder 24 is started, and the clamping plate 22 is pushed to move by the piston rod of the horizontal cylinder 24, so that the nut blank is clamped from the side by the clamping plate 22;

[0059] Then, the No. 1 driving motor 28 is started to drive the No. 1 threaded screw 27 to rotate. Under the action of the thread rotation, the movable plate 251 drives the pressing block 25 to move downward. The pressing block 25 is used to press the nut blank from above, which greatly improves the stability of the nut during tapping, avoids the longitudinal shaking of the nut affecting the tapping accuracy, and ensures the quality of the product. Finally, the nut blank can be tapped using a tapping machine.

[0060] In addition, the No. 2 drive motor 34 is started to drive the No. 2 threaded screw 33 to rotate. Under the action of the thread rotation, the movable seat 31 drives the base 1 to move in the horizontal direction, so that the nut can be transferred between different workstations. Therefore, after adopting the above design, the fixing fixture is suitable for the nut processing line.

[0061] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An aerospace nut fixing fixture, comprising a base (1) and a fixing mechanism (2) fixed to the top of the base (1), wherein the base (1) is fixed to a processing platform of a tapping machine, and is characterized in that: The fixing mechanism (2) comprises: a processing table (21), wherein the processing table (21) is fixed to the top surface of the base (1); A clamping plate (22), wherein a plurality of the clamping plates (22) are distributed at equal intervals along the circumferential direction, and a guide sliding hole (221) is processed on the clamping plate (22); A No. 1 fixing plate (23), the No. 1 fixing plate (23) being fixed to the top surface of the processing table (21); A horizontal cylinder (24), wherein the horizontal cylinder (24) is fixed on the first fixing plate (23), and a piston rod of the horizontal cylinder (24) passes through the first fixing plate (23) and is fixedly connected to the clamping plate (22); A pressing block (25), wherein the pressing block (25) is slidably mounted on the clamping plate (22), and the pressing block (25) passes through the guide sliding hole (221); A driving mechanism drives the pressing block (25) to move in a vertical direction.

2. The aerospace nut fixing fixture according to claim 1, characterized in that: The driving mechanism comprises: A movable plate (251), the movable plate (251) being fixed to the rear end of the pressing block (25); A second fixing plate (26), wherein two of the second fixing plates (26) are fixed at intervals on the back side of the clamping plate (22); A No. 1 threaded screw (27), the No. 1 threaded screw (27) being rotatably mounted between the two No. 2 fixed plates (26), and the No. 1 threaded screw (27) passing through the movable plate (251) and being connected to the movable plate (251) by screwing; A No. 1 driving motor (28), the No. 1 driving motor (28) is fixed on the No. 2 fixing plate (26), and is used to drive the No. 1 threaded screw (27) to rotate.

3. The aerospace nut fixing fixture according to claim 2, characterized in that: Also includes: Guide columns (29), two guide columns (29) are symmetrically fixed between the two second fixed plates (26), and the guide columns (29) pass through the movable plate (251).

4. The aerospace nut fixing fixture according to claim 1, characterized in that: The outer wall of the pressing block (25) abuts against the inner wall of the guide sliding hole (221).

5. The aerospace nut fixing fixture according to claim 1, characterized in that: Also includes: Guide blocks (231), two guide blocks (231) are symmetrically fixed to the outer wall of the first fixing plate (23); A number one guide rod (222), two number one guide rods (222) are symmetrically fixed on the back side of the clamping plate (22), and the number one guide rod (222) passes through the guide block (231).

6. The aerospace nut fixing fixture according to claim 1, characterized in that: It also includes a transfer mechanism (3), which is fixed on the processing platform of the tapping machine and is used to drive the base (1) to move horizontally, and the transfer mechanism (3) includes: A movable seat (31), wherein the movable seat (31) is fixed to the bottom surface of the base (1); A third fixing plate (32), wherein two of the third fixing plates (32) are symmetrically fixed on the processing platform of the tapping machine; A second threaded screw (33), the second threaded screw (33) is fixed between the two third fixed plates (32), and the second threaded screw (33) passes through the movable seat (31) and is connected to the movable seat (31) by screwing; A No. 2 driving motor (34), the No. 2 driving motor (34) is fixed on the No. 3 fixing plate (32), and is used to drive the No. 2 threaded screw (33) to rotate.

7. The aerospace nut fixing fixture according to claim 6, characterized in that: The transfer mechanism (3) further comprises: A second guide rod (35), wherein the two second guide rods (35) are symmetrically fixed between the two third fixing plates (32), and the second guide rods (35) pass through the movable seat (31).

8. The aerospace nut fixing fixture according to claim 6, characterized in that: The transfer mechanism (3) further comprises: Slide rails (36), two slide rails (36) are symmetrically fixed on the processing platform of the tapping machine; A slider (37) is fixed to the bottom surface of the base (1) and is slidably engaged with the slide rail (36).

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