High-strength steel screwed joint finish machining tool

Abstract

The utility model provides a high-strength steel screwed joint finish machining tool which can be suitable for machining high-strength steel screwed joints of multiple specifications, is stable in clamping and high in universality, and comprises a base plate, a wrapping ring clamping hoop, a lateral positioning cushion block, a tail positioning cushion block and a plurality of hydraulic pressing assemblies. A plurality of first threaded holes and first positioning holes are formed in the base plate; the wrapping ring clamp is fixedly connected with the base plate through a screw rod, the top of the wrapping ring clamp is provided with a wrapping ring which can be opened and is provided with an annular groove, the threaded part of the steel threaded connector is fixed in the wrapping ring clamp, and the wrapping ring and the base are connected and fastened through a bolt; the lateral positioning cushion blocks are arranged on the two sides of the steel threaded connector and underlay side wings of the steel threaded connector. The tail positioning cushion block is arranged at the tail of the steel screwed joint and is used for supporting an empennage of the steel screwed joint; the hydraulic pressing assemblies are arranged on the lateral positioning cushion block and the tail positioning cushion block and press the upper surfaces of the side wings and the tail wing of the steel threaded connector.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aircraft part machining, and particularly relates to a high-strength steel threaded joint finish machining tool. BACKGROUND

[0002] In the production process of the existing high-strength steel threaded joint, batch production of high-strength and high-precision complex parts is more and more frequent, and the parts need to be repeatedly clamped. The parts have the characteristics of high positioning accuracy, high consistency of part precision, good hardness after material heat treatment, and large cutting difficulty, and the tooling considers efficient clamping and positioning stability design with different specifications. In the machining process, the cumbersome clamping process occupies a large amount of clamping time and debugging time, and because it is batch production, a special tooling needs to be designed, resulting in a large number of clamping times. SUMMARY

[0003] The utility model discloses a high-strength steel threaded joint finish machining tool which can be applied to machining of high-strength steel threaded joints of multiple specifications, has stable clamping and strong universality.

[0004] The embodiment of the utility model is implemented as follows:

[0005] A high-strength steel threaded joint finish machining tool, the finish machining tool comprising: a base plate, a ring clamping hoop, lateral positioning pads, a tail positioning pad and a plurality of hydraulic pressing assemblies, the base plate being provided with a plurality of first threaded holes and a first positioning hole; the base of the ring clamping hoop is fixedly connected with the base plate through a screw rod, the top of the ring clamping hoop is provided with a ring-shaped groove that can be opened and wrapped, the threaded part of the steel threaded joint is fixed in the ring clamping hoop, and the ring and the base are fastened through bolt connection; the lateral positioning pads are arranged on both sides of the steel threaded joint and pad the side wings of the steel threaded joint; the tail positioning pad is arranged at the tail of the steel threaded joint and pads the tail wing of the steel threaded joint, so that the entire steel threaded joint is in a horizontal state; the plurality of hydraulic pressing assemblies are arranged at the lateral positioning pads and the tail positioning pad and press the side wings and the upper surfaces of the tail wings of the steel threaded joint.

[0006] In the preferred embodiment of the utility model, the hydraulic pressing assembly at least comprises:

[0007] The first hydraulic assembly and the second hydraulic assembly are oppositely arranged, the first hydraulic assembly and the second hydraulic assembly are connected to the base plate, the first hydraulic assembly is used for pressing the left side wing of the steel threaded joint, and the second hydraulic assembly is used for pressing the right side wing of the steel threaded joint;

[0008] The third hydraulic assembly, one or more third hydraulic assemblies are connected to the tail positioning pad, and the third hydraulic assembly is used for pressing the tail wing of the steel threaded joint.

[0009] In the preferable embodiment of the utility model, the third hydraulic assembly is arranged in the same direction.

[0010] In the preferable embodiment of the utility model, the hydraulic pressing assembly comprises: an assembly block and a hydraulic cylinder, the upper surface center of the assembly block is provided with a rotating seat, the upper portion of the rotating seat is provided with a rotatable wedge-shaped pressing block facing the steel threaded joint; the assembly block is provided with a first assembly hole, and the first assembly hole is located in the orthographic projection coverage area of the wedge-shaped pressing block; the first assembly hole is further connected with a second assembly hole in a penetrating manner, and the second assembly hole extends to the side surface of the assembly block; the hydraulic cylinder is assembled in the first assembly hole, and the upper portion of the hydraulic cylinder is connected with the bottom of the wedge-shaped pressing block; the pipeline of the hydraulic cylinder is led out from the second assembly hole.

[0011] In the preferable embodiment of the utility model, the assembly block further comprises a plurality of third threaded holes, and the third threaded holes are arranged on the ring side of the rotating seat.

[0012] In the preferable embodiment of the utility model, the rotating seat is a cylindrical flat block formed by the symmetrical structure of the upper cutting part, and the first hinged hole is arranged on the flat block.

[0013] In the preferable embodiment of the utility model, the rotatable wedge-shaped pressing block comprises a wedge-shaped end and a rectangular end, the wedge-shaped end is used for pressing the steel threaded joint, the connecting position of the wedge-shaped end and the rectangular end is provided with a second hinged hole; the rectangular end is provided with a three-side opening slot for inserting the flat block, the opposite wall surfaces of the three-side opening slot are provided with third hinged holes, and the hinged column is inserted into the third hinged hole and the first hinged hole, so that the wedge-shaped pressing block can be rotatable based on the rotating seat.

[0014] In the preferable embodiment of the utility model, the hydraulic cylinder comprises:

[0015] The hydraulic cylinder body is assembled in the first assembly hole, and the upper portion of the hydraulic cylinder body is provided with a connecting column, and the connecting column is provided with a fourth hinged hole;

[0016] The hinged piece is inserted into the hinged column at both ends and connected with the fourth hinged hole and the second hinged hole respectively.

[0017] In the preferable embodiment of the utility model, the diameter of the connecting column is smaller than the hole diameter of the first assembly hole.

[0018] In the preferable embodiment of the utility model, the variable-diameter ring is detachably connected in the ring clamping hoop.

[0019] The utility model discloses an embodiment has the advantages of:

[0020] The steel threaded joint finishing tool is characterized in that the base plate is fixed on the machine tool, and the finishing stability and precision are ensured.

[0021] The ring clamping hoop can be suitable for steel threaded joints with multiple diameters, and the positions of the lateral positioning pad, the tail positioning pad and the multiple hydraulic pressing assemblies can be adjusted according to actual conditions, so that the steel threaded joint finishing can be adapted to different specifications, the use of customized tooling is reduced, and costs are saved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 The figure is a structure schematic diagram of the assembled high-strength steel threaded joint finishing tool of the embodiment of the present application.

[0024] Figure 2 The figure is a structure schematic diagram of the high-strength steel threaded joint finishing tool in a split state of the embodiment of the present application.

[0025] Figure 3 The figure is a structure schematic diagram of the ring clamping hoop of the embodiment of the present application.

[0026] Figure 4 The figure is a structure schematic diagram of the hydraulic pressing assembly of the embodiment of the present application.

[0027] Figure: Steel threaded joint 001; Base plate 110; First threaded hole 111; First positioning hole 112; Ring clamping hoop 120; Base 121; Ring 122; Hinge seat 123; Semi-circular groove 124; Fastening groove 125; Hinge end 126; Fastening end 127; Reducer ring 128; Lateral positioning pad 130; Tail positioning pad 140; Hydraulic pressing assembly 150; Assembly block 151; Hydraulic cylinder 152; Rotating seat 153; Rotatable wedge-shaped pressing block 154; Second assembly hole 155; Third threaded hole 156. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that: similar reference numbers and letters represent 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.

[0031] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] First embodiment

[0035] Referring to Figure 1 and 2 The present embodiment provides a high-strength steel threaded joint finishing tool, which is standardized for easy management and application, can save a large amount of tool design cost, and can be automatically clamped, quickly switched, and more convenient and fast. In mass production, it can be automatically clamped with a zero-positioning device and a robot, thereby reducing the cost of each link. The finishing tool comprises a base plate 110, a ring clamping hoop 120 detachably connected with the base plate 110, two lateral positioning pads 130, a tail positioning pad 140, and a plurality of hydraulic pressing assemblies 150. The ring clamping hoop 120 is used to fix the threaded joint of the steel threaded joint 001. The two lateral positioning pads 130 cooperate with the hydraulic pressing assemblies 150 to fix the left and right wings of the steel threaded joint 001. The tail positioning pad 140 cooperates with the hydraulic pressing assemblies 150 to fix the tail wing of the steel threaded joint 001.

[0036] Specifically, the base plate 110 is a flat rectangular block, and a plurality of first threaded holes 111 for fixing the ring clamping hoop 120, the lateral positioning pads 130, the tail positioning pad 140, and the plurality of hydraulic pressing assemblies 150 are arranged on the base plate 110. A plurality of first positioning holes 112 are arranged on the base plate 110 to help quickly match the tail positioning pad 140 of the steel threaded joint 001 of different specifications.

[0037] Referring to Figure 3 The ring clamping hoop 120 comprises a base 121 and a ring 122 connected with the base 121. One end of the base 121 is provided with a hinged seat 123 hinged with the ring 122. The upper surface of the base 121 is provided with a semicircular groove 124. The other end of the base 121 is provided with a fastening groove 125 for fastening bolts. Loosen the fastening bolts so that the ring 122 can be opened by rotating. The base 121 of the ring clamping hoop 120 is connected with the base through bolts.

[0038] The ring 122 can be used for clamping parts of different diameters by quickly replacing the variable-diameter ring 128. It is a semicircular structure and cooperates with the semicircular groove 124 of the base 121 to form an annular groove ring for fixing the steel threaded joint 001. The two ends of the ring 122 are respectively a hinged end 126 connected with the hinged seat 123 and a fastening end 127 for connecting the fastening bolts.

[0039] The threaded part of the steel threaded joint 001 is fixed in the ring clamping hoop 120, and the ring 122 and the base 121 are fastened by bolts. The variable-diameter ring 128 can also be detachably connected in the two semicircular grooves 124. The variable-diameter ring 128 is also a semicircular ring body at both ends, which is used to adaptively match steel threaded joints 001 of different specifications.

[0040] The lateral positioning pads 130 are arranged on both sides of the steel threaded joint 001 to pad the side wings of the steel threaded joint 001. Different specifications of the steel threaded joint 001 can be replaced by different sizes and heights of the lateral positioning pads 130. The lateral positioning pads 130 and the base plate 110 are connected by bolts.

[0041] The tail positioning pad 140 is arranged at the tail of the steel threaded joint 001 to pad the tail wing of the steel threaded joint 001. The lateral positioning pad 130, the tail positioning pad 140, and the ring clamp 120 make the entire steel threaded joint 001 in a horizontal state. Different specifications of the steel threaded joint 001 can be replaced by different heights and sizes of the tail positioning pad 140. The tail positioning pad 140 is provided with a plurality of threaded holes for fixing and a positioning hole. The tail positioning pad 140 and the positioning hole on the base plate 110 are inserted into the positioning pin, so that different specifications of the steel threaded joint 001 can be quickly assembled. Then, the bolts are assembled to fix the tail positioning pad 140 on the base plate 110.

[0042] Further, the positioning pin holes can be arranged on each pad, and different positioning pads can be replaced to ensure the accuracy of each part.

[0043] A plurality of hydraulic pressing assemblies 150 are arranged at the lateral positioning pad 130 and the tail positioning pad 140 to press the upper surfaces of the side wings and the tail wing of the steel threaded joint 001.

[0044] In the embodiment, the hydraulic pressing assembly 150 at least includes: oppositely arranged first and second hydraulic assemblies and a third hydraulic assembly. The first and second hydraulic assemblies are connected to the base plate 110. The first hydraulic assembly is used to press the left side wing of the steel threaded joint 001, and the second hydraulic assembly is used to press the right side wing of the steel threaded joint 001. One or more third hydraulic assemblies are connected to the tail positioning pad 140, and the third hydraulic assembly is used to press the tail wing of the steel threaded joint 001.

[0045] Preferably, since the tail wing of the steel threaded joint 001 is wide, the third hydraulic assembly is provided with at least two third hydraulic assemblies, and the third hydraulic assemblies are arranged in the same direction to ensure that the steel threaded joint 001 will not be warped during machining.

[0046] Specifically, please refer to Figure 4, the hydraulic pressing assembly comprises an assembling block 151 and a hydraulic cylinder 152, the upper surface of the assembling block 151 is provided with a rotating seat 153 in the center, the upper part of the rotating seat 153 is provided with a rotatable wedge-shaped pressing block 154 facing the steel threaded joint 001; the assembling block 151 is provided with a first assembling hole, the first assembling hole is located in the orthographic projection coverage area of the wedge-shaped pressing block; the first assembling hole is further connected with a second assembling hole 155, the second assembling hole 155 extends to the side surface of the assembling block 151; the hydraulic cylinder 152 is assembled in the first assembling hole, and the upper part of the hydraulic cylinder 152 is connected with the bottom of the wedge-shaped pressing block; the pipeline of the hydraulic cylinder 152 is led out from the second assembling hole 155.

[0047] The use mode of the hydraulic assembly is that when the hydraulic cylinder 152 is retracted, the wedge-shaped pressing block connected with the hydraulic cylinder 152 presses the side wing of the steel threaded joint 001; when the steel threaded joint 001 needs to be taken out, the hydraulic cylinder 152 is controlled to be lifted to release the steel threaded joint 001.

[0048] The assembling block 151 further comprises a plurality of third threaded holes 156, the third threaded holes 156 are arranged on the ring side of the rotating seat 153, and are used for assembling upper bolts and base connection.

[0049] Further, the rotating seat 153 is a symmetrical structure of the upper cutting part to form a cylindrical flat block, the flat block is provided with a first hinged hole for connecting the wedge-shaped pressing block.

[0050] Specifically, the rotatable wedge-shaped pressing block 154 comprises an integrally formed wedge-shaped end and a rectangular end, the wedge-shaped end is used for pressing the steel threaded joint 001, and the connecting position of the wedge-shaped end and the rectangular end is provided with a second hinged hole; the rectangular end is provided with a three-side open slot for inserting the flat block, the opposite wall surfaces of the three-side open slot are provided with third hinged holes, and a hinged column is inserted into the third hinged holes and the first hinged hole, so that the wedge-shaped pressing block can be rotatable based on the rotating seat 153.

[0051] The hydraulic cylinder 152 comprises a hydraulic cylinder 152 body and two hinged sheets, the hydraulic cylinder 152 body is assembled in the first assembling hole, the upper part of the hydraulic cylinder 152 body is provided with a connecting column, the connecting column is provided with a fourth hinged hole; the two ends of the hinged sheet are respectively inserted into the hinged column and are respectively connected with the fourth hinged hole and the second hinged hole. The diameter of the connecting column is smaller than the hole diameter of the first assembling hole.

[0052] In use, after the rough machining of the steel threaded joint 001 part is completed, the outer circle is machined, the cylindrical threaded joint of the steel threaded joint 001 is clamped by adopting the ring 122 as a reference, and then the part is pressed and clamped by adopting the pad combined with the hydraulic pressing cylinder, the pressing and loosening of the hydraulic pressing cylinder can be realized automatically, and the risk of unstable artificial clamping force is reduced.

[0053] In the steel threaded joint 001 finishing tool designed in the utility model, the steel threaded joint 001 is stably clamped through the ring wrapping clamp 120, the lateral positioning pad 130, the tail positioning pad 140 and the plurality of hydraulic pressing assemblies 150, the base plate 110 is fixed on the machine tool, and the finishing stability and precision are ensured.

[0054] The ring wrapping clamp 120 can be suitable for steel threaded joints 001 of multiple diameters, and the positions of the lateral positioning pad 130, the tail positioning pad 140 and the plurality of hydraulic pressing assemblies 150 can be adjusted according to actual conditions, so that the steel threaded joint 001 finishing of different specifications can be adapted, the use of customized tooling is reduced, and costs are saved. The modular design has high interchangeability; hydraulic pressing realizes automatic clamping, multiple scheme free assembly, effective strength and assembly precision, and is safer and more reliable; the tooling manufacturing and processing costs can be reduced, the part processing failure rate can be reduced, production efficiency can be improved, and the like.

[0055] The specification describes examples of embodiments of the utility model, and does not mean that all possible forms of the utility model are described and explained. It should be understood that the embodiments in the specification can be implemented in multiple alternative forms. The drawings need not be drawn to scale; some features can be enlarged or reduced to show the details of specific components. The specific structure and functional details disclosed should not be interpreted as a limited explanation, but only as a representative basis for teaching those skilled in the art to implement the utility model in various forms. Those skilled in the art should understand that the features described with reference to any figure can be combined with the features described in one or more other figures to form embodiments that are not explicitly described or explained. The combined features provide representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the utility model can be used as needed for specific applications or implementations.

[0056] The above only describes preferred embodiments of the utility model and does not limit the utility model. Those skilled in the art can make various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high strength steel threaded joint finishing tool, characterized by, The finishing tool comprises: a base plate provided with a plurality of first threaded holes and a first positioning hole; a ring clamp, the base of which is fixedly connected to the base plate by a screw rod, and the top of which is provided with a ring-shaped groove capable of being opened and wrapped around the ring to fix the threaded part of the steel threaded joint in the ring clamp, and the ring and the base are fastened by bolt connection; lateral positioning pads provided on both sides of the steel threaded joint to pad the side wings of the steel threaded joint; tail positioning pads provided at the tail of the steel threaded joint to pad the tail wings of the steel threaded joint so that the whole steel threaded joint is in a horizontal state; a plurality of hydraulic pressing assemblies provided at the lateral positioning pads and the tail positioning pads to press the upper surfaces of the side wings and the tail wings of the steel threaded joint.

2. The high strength steel threaded joint finishing tooling of claim 1, wherein, The hydraulic pressing assembly at least comprises: oppositely arranged first and second hydraulic assemblies connected to the base plate, the first hydraulic assembly being used to press the left side wing of the steel threaded joint, and the second hydraulic assembly being used to press the right side wing of the steel threaded joint; one or more third hydraulic assemblies connected to the tail positioning pads, the third hydraulic assembly being used to press the tail wing of the steel threaded joint.

3. The high strength steel threaded joint finishing tooling of claim 2, wherein, The third hydraulic assembly is provided at least in two, and the third hydraulic assemblies are arranged in the same direction.

4. The high strength steel threaded joint finishing tooling of any one of claims 1-3, wherein, The hydraulic pressing assembly comprises: an assembly block, the upper surface of which is provided with a rotating seat, the upper part of the rotating seat is provided with a rotatable wedge-shaped pressing block facing the steel threaded joint, the assembly block is provided with a first assembly hole, the first assembly hole is located in the projection coverage area of the wedge-shaped pressing block, the first assembly hole is further connected with a second assembly hole extending to the side surface of the assembly block; a hydraulic cylinder assembled in the first assembly hole, and the upper part of the hydraulic cylinder is connected to the bottom of the wedge-shaped pressing block, and the pipeline of the hydraulic cylinder is led out from the second assembly hole.

5. The high strength steel threaded joint finishing tooling of claim 4, wherein, The assembly block further comprises a plurality of third threaded holes provided on the ring side of the rotating seat.

6. The high strength steel threaded joint finishing tooling of claim 4, wherein, The rotating seat is a cylindrical flat block formed by the symmetrical structure of the upper cutting part, and the flat block is provided with a first hinged hole.

7. The high strength steel threaded joint finishing tooling of claim 6, wherein, The rotatable wedge-shaped pressing block comprises a wedge-shaped end and a rectangular end, the wedge-shaped end is used to press the steel threaded joint, and the connecting position of the wedge-shaped end and the rectangular end is provided with a second hinged hole; the rectangular end is provided with a three-sided open slot for inserting the flat block, and the opposite walls of the three-sided open slot are provided with a third hinged hole, and a hinged column is inserted into the third hinged hole and the first hinged hole, so that the wedge-shaped pressing block can be rotated based on the rotating seat.

8. The high strength steel threaded joint finishing tooling of claim 7, wherein, The hydraulic cylinder comprises: a hydraulic cylinder body assembled in the first assembly hole, the upper part of the hydraulic cylinder body is provided with a connecting column, and the connecting column is provided with a fourth hinged hole; a hinged sheet, the two ends of the hinged sheet are respectively inserted into the hinged columns and respectively connected to the fourth hinged hole and the second hinged hole.

9. The high strength steel threaded joint finishing tooling of claim 8, wherein, The diameter of the connecting column is smaller than the diameter of the first assembly hole.

10. The high strength steel threaded joint finishing tooling of claim 1, wherein, The variable-diameter ring is detachably connected in the pack ring clamp.

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