Titanium alloy bearing pressing and closing device for workpiece machining

Abstract

The utility model discloses a titanium alloy bearing press-fit closing-up device for workpiece machining, which comprises a support seat, a press-fit closing-up device and a press-fit closing-up device, the support seat comprises a support base, a support plate and a transmission shaft, the support plate is arranged on the support base, the support plate is provided with two guide pieces, and the support base is provided with a support surface and a positioning hole; the press-fit assembly is arranged on the supporting face of the supporting part, the titanium alloy bearing and the workpiece to be machined are both arranged in the press-fit assembly, the thin shaft part of the transmission shaft penetrates through the titanium alloy bearing, the workpiece to be machined and the press-fit assembly, the bottom of the press-fit assembly abuts against the supporting face, and the top of the press-fit assembly abuts against the thick shaft part of the transmission shaft; the closing-in assembly is matched with the supporting base to be used for conducting extrusion closing-in on the pressed-fit workpiece. The pressing assembly and the closing assembly are supported by the supporting base to accurately position, press and close the workpiece and the titanium alloy bearing, and operation is fast and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a pressing and closing device for a titanium alloy bearing used for workpiece processing. Background Art

[0002] The development trend of modern aircraft structure is towards greater flexibility, lightness, high strength and durability in order to withstand complex aerodynamic loads and various complex environmental conditions; therefore, a large number of titanium alloy parts are used in the skeleton parts of the structure. Such parts bear the mechanical connection of the structure, and a large number of titanium alloy spherical bearings are installed in the holes of the connecting structural parts. The press-fitting and sealing of titanium alloy spherical bearings are currently in the initial technical stage; due to the particularity of titanium alloy materials, conventional manual and mechanical press-fitting results in high difficulty, low precision, unstable quality, low pass rate and high cost. Utility Model Content

[0003] The utility model aims to provide a pressing and closing device for titanium alloy bearings used for workpiece processing, which can accurately position, press and close the workpiece and the titanium alloy bearing by supporting the pressing assembly and the closing assembly on a support seat, and is quick and convenient to operate.

[0004] The utility model is realized by the following technical solutions:

[0005] A pressing and closing device for a titanium alloy bearing for workpiece processing, comprising:

[0006] A support seat, the support seat comprises a support base, a support plate and a transmission shaft, the support plate is arranged on the support base, the support plate is provided with two guide members, the two guide members are arranged at an interval, the guide members are provided with guide holes, and the guide holes on the two guide members are coaxially arranged; a support portion is provided on the support base, a support surface and a positioning hole are provided on the support portion, the positioning hole and the guide hole are coaxially arranged, and the diameter of the positioning hole is smaller than the diameter of the guide hole; the transmission shaft comprises a thick shaft portion and a thin shaft portion, the thick shaft portion cooperates with the guide hole, and the thin shaft portion cooperates with the positioning hole;

[0007] A pressing assembly, wherein the pressing assembly is arranged on the supporting surface of the supporting portion, the titanium alloy bearing and the workpiece to be processed are both arranged in the pressing assembly, the thin shaft portion of the transmission shaft passes through the titanium alloy bearing, the workpiece to be processed and the pressing assembly, the bottom of the pressing assembly abuts against the supporting surface, and the top of the pressing assembly abuts against the thick shaft portion of the transmission shaft;

[0008] A closing component, which cooperates with a support seat to extrude and close the workpiece after pressing.

[0009] Furthermore, a bushing is provided in the guide hole of the guide member.

[0010] Furthermore, the pressing assembly includes a pressing part, an abutment part, a pressing base and an elastic part. A clearance groove is provided on the pressing base, a through hole is provided below the clearance groove, the through hole cooperates with the positioning hole, the elastic part is respectively connected to the abutment part and the bottom of the clearance groove of the pressing base, the workpiece to be processed is arranged above the pressing base, the workpiece to be processed is provided with a mounting hole, and the abutment part cooperates with the clearance groove and the mounting hole of the workpiece to be processed respectively; the thin shaft portion of the transmission shaft passes through the pressing part, the titanium alloy bearing, the workpiece to be processed, the abutment part and the pressing base in sequence and then cooperates with the positioning hole of the support part.

[0011] Furthermore, the thickness of the abutment member is smaller than the thickness of the workpiece to be processed.

[0012] Furthermore, the closing assembly includes an upper extrusion member and a lower extrusion member, each of which is provided with a socket, and the sockets of the upper extrusion member and the lower extrusion member are coaxially arranged; each of the upper extrusion member and the lower extrusion member is provided with a protruding extrusion ring, and the upper and lower surfaces of the titanium alloy bearing are provided with closing grooves, and the extrusion ring cooperates with the closing groove.

[0013] Furthermore, a reinforcing plate is provided on the side of the supporting plate of the supporting seat.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] 1) In the utility model, a pressing assembly is provided on the support base, and the workpiece to be processed and the titanium alloy bearing are limited by the cooperation between the pressing parts, abutment parts, pressing base and elastic parts of the pressing assembly, and then the thin shaft part of the transmission shaft passes through the pressing assembly, the workpiece to be processed and the titanium alloy bearing, so that the thick shaft part of the transmission shaft generates downward pressure on the pressing assembly, and under the limiting action of the support base, the titanium alloy bearing can be accurately pressed into the workpiece, with high precision, simple operation and high processing efficiency.

[0016] 2) In the utility model, the titanium alloy bearing pressed into the workpiece can be quickly closed by the closing component, so that it is more stable in the workpiece. The closing component has a simple structure, simple operation and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1The utility model is a schematic diagram of the structure of the support seat in the pressing and closing device of the titanium alloy bearing for workpiece processing.

[0019] Figure 2 It is a schematic diagram of the assembly structure of the support seat and the pressing component in the utility model.

[0020] Figure 3 It is a schematic diagram of the assembly structure of the support seat and the closing component in the utility model.

[0021] Figure 4 for Figure 3 Schematic diagram of the structure at point A in the middle.

[0022] Among them: 1-support base, 2-support plate, 21-reinforcement plate, 22-guide member, 3-transmission shaft, 31-thick shaft portion, 32-thin shaft portion, 4-bushing, 5-pressing base, 51-giving groove, 6-abutment member, 7-elastic member, 8-pressing member, 9-workpiece, 10-titanium alloy bearing, 11-upper extrusion member, 12-lower extrusion member. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0024] Embodiment 1:

[0025] A pressing and closing device for titanium alloy bearings used for workpiece processing, such as Figures 1 to 4 As shown, including:

[0026] A support seat, the support seat comprises a support base 1, a support plate 2 and a transmission shaft 3, the support plate 2 is arranged on the support base 1, the support plate 2 is provided with two guide members 22, the two guide members 22 are arranged at an interval, the guide members 22 are provided with guide holes, and the guide holes on the two guide members 22 are coaxially arranged; a support portion is provided on the support base 1, the support portion is provided with a support surface and a positioning hole, the positioning hole is coaxially arranged with the guide hole, and the diameter of the positioning hole is smaller than the diameter of the guide hole; the transmission shaft 3 comprises a thick shaft portion 31 and a thin shaft portion 32, the thick shaft portion 31 cooperates with the guide hole, and the thin shaft portion 32 cooperates with the positioning hole; a reinforcing plate 21 is provided on the side of the support plate 2 of the support seat; a bushing 4 is provided in the guide hole of the guide member 22;

[0027] A pressing assembly, wherein the pressing assembly is arranged on the support surface of the support portion, the titanium alloy bearing 10 and the workpiece 9 to be processed are both arranged in the pressing assembly, the thin shaft portion 32 of the transmission shaft 3 passes through the titanium alloy bearing 10, the workpiece 9 to be processed and the pressing assembly, the bottom of the pressing assembly abuts against the support surface, and the top thereof abuts against the thick shaft portion 31 of the transmission shaft 3;

[0028] The pressing assembly includes a pressing part 8, abutment part 6, a pressing base 5 and an elastic part 7. A clearance groove 51 is provided on the pressing base 5, and a through hole is provided below the clearance groove 51, and the through hole cooperates with the positioning hole. The elastic part 7 is respectively connected to the abutment part 6 and the bottom of the clearance groove 51 of the pressing base 5. The workpiece 9 to be processed is arranged above the pressing base 5, and a mounting hole is provided on the workpiece 9 to be processed. The abutment part 6 cooperates with the clearance groove 51 and the mounting hole of the workpiece 9 to be processed respectively; the thin shaft portion 32 of the transmission shaft 3 passes through the pressing part 8, the titanium alloy bearing 10, the workpiece 9 to be processed, the abutment part 6 and the pressing base 5 in sequence, and then cooperates with the positioning hole of the support portion; the thickness of the abutment part 6 is less than the thickness of the workpiece 9 to be processed.

[0029] The support seat includes a support base 1, a support plate 2 and a transmission shaft 3. The support plate 2 is arranged on the side of the support base 1. At the same time, a reinforcement plate 21 is also arranged behind the support plate 2. The reinforcement plate 21 can make the support plate 2 more stable on the side of the support base 1. Two guide members 22 are arranged on the side of the support plate 2 and above the support base 1. The two guide members 22 are arranged at intervals. The guide members 22 are used to set the transmission shaft 3. The guide holes on the two guide members 22 are coaxially arranged. At the same time, a bushing 4 is arranged in the guide member 22. The transmission shaft 3 is inserted into the bushing 4 to reduce friction; support base 1 is provided with a support portion, and a support surface and a positioning hole are provided on the support portion. The positioning hole is provided at the geometric center position of the support surface, and the support surface is used to set a pressing component or a closing component; the positioning hole is coaxially arranged with the guide hole, and the diameter of the positioning hole is smaller than the diameter of the guide hole; the transmission shaft 3 includes a thick shaft portion 31 and a thin shaft portion 32, the thick shaft portion 31 cooperates with the guide hole, and the thin shaft portion 32 cooperates with the positioning hole; the pressing component is provided on the support surface of the support seat, and the workpiece 9 and the titanium alloy bearing 10 are placed on the pressing component, and the titanium alloy bearing 10 is pressed into the workpiece 9 through the cooperation of the pressing component and the transmission shaft 3;

[0030] The pressing assembly includes a pressing member 8, an abutment member 6, a pressing base 5 and an elastic member 7. The pressing base 5 is a cylindrical structure. A clearance groove 51 is provided on the pressing base 5. A through hole is provided at the geometric center of the bottom of the clearance groove 51. The through hole is coaxially arranged with the positioning hole of the supporting base 1 below. An elastic member 7 is provided in the clearance groove 51. The elastic member 7 is a spring. The elastic member 7 supports the abutment member 6 and makes the abutment member 6 protrude from the surface of the pressing base 5. The workpiece 9 to be processed is placed on the pressing base 5. A mounting hole is provided on the workpiece 9. The abutment member 6 extends into the mounting hole. In the figure, the abutment 6 cooperates with the mounting hole and limits the workpiece 9 to be processed, the titanium alloy bearing 10 is placed above the mounting hole of the workpiece 9, and the pressing piece 8 is arranged on the upper side of the titanium alloy bearing 10. The thin shaft portion 32 of the transmission shaft 3 passes through the pressing piece 8, the titanium alloy bearing 10, the workpiece 9, the abutment 6, the spring and the pressing base 5 in sequence and is inserted into the positioning hole of the support base 1. At this time, the end face of the thick shaft portion 31 of the transmission shaft 3 abuts against the pressing piece 8, and the external hydraulic equipment is connected to the transmission shaft 3 to press the transmission shaft 3 downward so that the titanium alloy bearing 10 is pressed into the workpiece 9.

[0031] Embodiment 2:

[0032] Based on the above embodiments, this embodiment further defines the closing component, such as Figure 3 , Figure 4 As shown, the closing component cooperates with the support seat to extrude and close the workpiece 9 after pressing; the closing component includes an upper extrusion member 11 and a lower extrusion member 12, and the upper extrusion member 11 and the lower extrusion member 12 are both provided with sockets, and the sockets of the upper extrusion member 11 and the lower extrusion member 12 are coaxially arranged; the upper extrusion member 11 and the lower extrusion member 12 are both provided with protruding extrusion rings, and the upper and lower surfaces of the titanium alloy bearing 10 are both provided with closing grooves, and the extrusion rings cooperate with the closing grooves.

[0033] The closing component is also arranged on the support base 1. After the titanium alloy bearing 10 is pressed into the workpiece 9, the pressing component is removed and the closing component is placed on the support surface of the support base 1. The closing component includes an upper extrusion 11 and a lower extrusion 12. Plug holes are arranged at the geometric center positions of the upper extrusion 11 and the lower extrusion 12. The plug holes of the two extrusions are coaxially arranged with the positioning holes of the support base 1. The lower surface of the upper extrusion 11 and the upper surface of the lower extrusion 12 are both provided with protruding extrusion rings. At the same time, closing grooves are arranged on the upper and lower surfaces of the titanium alloy bearing 10. The edge of the titanium alloy bearing 10 can be pressed toward The titanium alloy bearing 10 is installed on the workpiece 9 and expands all around, making it more stable in the installation hole of the workpiece 9; when extruding and closing, the workpiece 9 with the titanium alloy bearing 10 installed is placed between the upper extrusion piece 11 and the lower extrusion piece 12, so that the thin shaft portion 32 of the transmission shaft 3 passes through the upper extrusion piece 11, the titanium alloy bearing 10 and the lower extrusion piece 12 in sequence and then is inserted into the positioning hole of the support base 1, and a downward pressure is generated on the transmission shaft 3 through an external hydraulic device, so that the thick shaft portion 31 of the transmission shaft 3 cooperates with the support base 1 to bring the upper extrusion piece 11 and the lower extrusion piece 12 closer to each other to generate an extrusion force on the closing groove of the titanium alloy bearing 10, so that it slowly deforms and expands, thereby keeping it stable in the workpiece 9.

[0034] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A pressing and closing device for titanium alloy bearings used for workpiece processing, characterized in that: include: A support seat, the support seat comprises a support base, a support plate and a transmission shaft, the support plate is arranged on the support base, the support plate is provided with two guide members, the two guide members are arranged at an interval, the guide members are provided with guide holes, and the guide holes on the two guide members are coaxially arranged; a support portion is provided on the support base, a support surface and a positioning hole are provided on the support portion, the positioning hole and the guide hole are coaxially arranged, and the diameter of the positioning hole is smaller than the diameter of the guide hole; the transmission shaft comprises a thick shaft portion and a thin shaft portion, the thick shaft portion cooperates with the guide hole, and the thin shaft portion cooperates with the positioning hole; A pressing assembly, wherein the pressing assembly is arranged on the supporting surface of the supporting portion, the titanium alloy bearing and the workpiece to be processed are both arranged in the pressing assembly, the thin shaft portion of the transmission shaft passes through the titanium alloy bearing, the workpiece to be processed and the pressing assembly, the bottom of the pressing assembly abuts against the supporting surface, and the top of the pressing assembly abuts against the thick shaft portion of the transmission shaft; A closing component, which cooperates with a support seat to extrude and close the workpiece after pressing.

2. The pressing and closing device for titanium alloy bearings for workpiece processing as claimed in claim 1, characterized in that: A bushing is arranged in the guide hole of the guide member.

3. The pressing and closing device for titanium alloy bearings for workpiece processing as claimed in claim 1, characterized in that: The pressing assembly includes a pressing part, an abutment part, a pressing base and an elastic part. A clearance groove is provided on the pressing base, a through hole is provided below the clearance groove, the through hole cooperates with the positioning hole, the elastic part is respectively connected with the abutment part and the bottom of the clearance groove of the pressing base, the workpiece to be processed is arranged above the pressing base, the workpiece to be processed is provided with a mounting hole, the abutment part cooperates with the clearance groove and the mounting hole of the workpiece to be processed respectively; the thin shaft portion of the transmission shaft passes through the pressing part, the titanium alloy bearing, the workpiece to be processed, the abutment part and the pressing base in sequence, and then cooperates with the positioning hole of the support portion.

4. The pressing and closing device for titanium alloy bearings for workpiece processing as claimed in claim 3, characterized in that: The thickness of the abutment member is smaller than the thickness of the workpiece to be processed.

5. The pressing and closing device for titanium alloy bearings for workpiece processing as claimed in claim 1, characterized in that: The closing assembly includes an upper extrusion part and a lower extrusion part, each of which is provided with a socket, and the sockets of the upper extrusion part and the lower extrusion part are coaxially arranged; each of the upper extrusion part and the lower extrusion part is provided with a protruding extrusion ring, and the upper and lower surfaces of the titanium alloy bearing are provided with closing grooves, and the extrusion ring cooperates with the closing groove.

6. The press-fit closing device for titanium alloy bearings for workpiece processing as claimed in claim 1, characterized in that: A reinforcing plate is arranged on the side of the supporting plate of the supporting seat.

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