Pipe orifice positioning tool for eliminating stud abrasion clearance

Abstract

The utility model relates to the field of casting milling, in particular to a pipe orifice positioning tool for eliminating a stud abrasion gap. The pipe orifice positioning tool comprises a bottom plate, a mandrel, a pipe orifice positioning mechanism, a pipe orifice auxiliary jacking mechanism and a pressing mechanism, and the mandrel is arranged in the middle of the bottom plate; the pressing mechanism is vertically mounted right above the core shaft; the casting is mounted on the bottom plate and is positioned through the core shaft; the pressing mechanism applies pressure to the casting from top to bottom to fix the casting; the pipe orifice positioning mechanism and the pipe orifice auxiliary jacking mechanism are both arranged on the bottom plate and located on one side of the mandrel; and the pipe orifice positioning mechanisms and the pipe orifice auxiliary jacking mechanisms are arranged in pairs to clamp the opening part of the air outlet pipe of the casting. According to the utility model, the notch is formed in the auxiliary limiting seat, so that the deformation part is formed; the spring gasket and the flat gasket are pressed tightly by rotating the nut clockwise, so that the deformation part inclines towards the fixed part and deforms, the deformation quantity eliminates an abrasion gap caused by long-term tightening of the limiting stud, and therefore the cutter vibration phenomenon occurring in the machining process is avoided.

Description

Technical Field

[0001] The utility model relates to the field of casting milling processing, in particular to a pipe mouth positioning tool for eliminating the wear gap of a stud. Background Art

[0002] The supercharger is a product that matches the engine and is used to improve the engine's fuel performance and reduce automobile exhaust emissions. The compressor casing is one of the important components of the supercharger. After the compressor casing casting is formed, the local structure needs to be milled. Before milling, the casting is first fixed on the tooling. After the casting is positioned using the positioning mechanism, the auxiliary tightening mechanism is used to clamp the outlet of the casting. Conventional tooling fixes it by tightening the thread. However, during long-term use, the studs in the auxiliary tightening mechanism wear and the side top of the casting loosens, causing tool vibration during processing and poor product appearance. Utility Model Content

[0003] The utility model aims to solve the problems existing in the background technology and proposes a pipe mouth positioning tooling for eliminating the wear gap of the stud, so as to solve the adverse effects on processing caused by the wear of the stud of the auxiliary tightening mechanism, the loosening of the side top, and the vibration of the product during processing.

[0004] The technical solution of the utility model is a pipe nozzle positioning tool for eliminating the wear gap of the stud, comprising a bottom plate, a core shaft, a pipe nozzle positioning mechanism, a pipe nozzle auxiliary pressing mechanism and a pressing mechanism, wherein the core shaft is arranged in the middle of the bottom plate;

[0005] The clamping mechanism is installed vertically just above the mandrel;

[0006] The casting is mounted on the base plate and positioned by the mandrel; the clamping mechanism applies pressure from top to bottom to fix the casting;

[0007] The pipe orifice positioning mechanism and the pipe orifice auxiliary tightening mechanism are both arranged on the bottom plate and located on one side of the core shaft; the pipe orifice positioning mechanism and the pipe orifice auxiliary tightening mechanism are arranged in pairs to clamp the air outlet pipe orifice of the casting.

[0008] Preferably, the clamping mechanism comprises a positioning rod in the middle and a cover plate at the top;

[0009] The cover plate is provided with a slot for combining with the positioning rod;

[0010] Bolts and protective sleeves are arranged on the positioning rod; the protective sleeves are placed between the cover plate and the nut; the bolts are inserted into the positioning rods and connected with the inner wall threads of the positioning rods; the bolts are turned, and the nut squeezes the protective sleeves and the cover plate to press the castings.

[0011] Preferably, a plurality of pin holes are provided on the pipe opening positioning mechanism and the pipe opening auxiliary tightening mechanism, and the fasteners pass through the pin holes to be positioned and connected with the base plate and maintain the threaded locking state.

[0012] Preferably, the nozzle auxiliary tightening mechanism comprises a tightening component, a locking component and a supporting component;

[0013] The supporting component is used for fixing with the bottom plate and installing the tightening component and the locking component;

[0014] The tightening component abuts against the casting and cooperates with the pipe opening positioning mechanism to clamp the air outlet pipe opening of the casting;

[0015] The locking components are used to eliminate stud wear play.

[0016] Preferably, the supporting component includes an auxiliary limiting seat;

[0017] The auxiliary limit seat is set to be "L" shaped, and its bottom is installed in coordination with the base plate;

[0018] The auxiliary limit seat is provided with a notch along the direction perpendicular to the bottom plate, dividing the auxiliary limit seat into a mounting portion and a deformation portion; the deformation portion is close to one side of the casting; the mounting portion and the deformation portion are respectively provided with threaded holes for installing the tightening component and the locking component.

[0019] Preferably, the tightening component includes a limiting stud; a handle is provided at one end of the limiting stud;

[0020] The limiting stud passes through the mounting portion and the deformation portion of the auxiliary limiting seat and is threadedly connected with the threaded hole;

[0021] The gap of the notch on the auxiliary limit seat is greater than the pitch of the screw thread.

[0022] Preferably, the locking component comprises a screw, a flat washer, a nut and a spring washer;

[0023] The locking component is located below the tightening component, and the screw of the locking component passes through the mounting portion and the deformation portion of the auxiliary limit seat and is threadedly matched with the threaded hole;

[0024] The flat washer is sleeved on the screw and is located at one end close to the casting;

[0025] The spring washer is sleeved on the screw and is located on one side of the mounting portion; the nut is arranged on one side of the spring washer;

[0026] The nut is connected with the screw thread; the spring washer and the flat washer are pressed tightly by turning the nut clockwise, and the deformed part is inclined toward the fixed part to eliminate the wear gap.

[0027] Compared with the prior art, the utility model has the following beneficial technical effects:

[0028] The utility model improves the existing tooling, opens a slot on the auxiliary limit seat to form a deformation part, and then fixes it with screws and washers in the locking component, and rotates the nut clockwise to compress the spring washer and the flat washer, so that the deformation part tilts toward the fixed part and deforms. The deformation amount eliminates the wear gap caused by long-term tightening of the limit stud, thereby avoiding the tool vibration phenomenon during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the assembly structure of the positioning tooling and casting of the utility model;

[0030] Figure 2 This is one of the structural schematic diagrams of the positioning tooling of the utility model;

[0031] Figure 3 This is the second structural diagram of the positioning tooling of the utility model;

[0032] Figure 4 It is a structural schematic diagram of the auxiliary tightening mechanism of the pipe mouth of the utility model.

[0033] Figure numerals: 1, base plate; 2, core shaft; 3, clamping mechanism; 4, pipe mouth positioning mechanism; 5, pipe mouth auxiliary clamping mechanism; 51, screw; 52, flat washer; 53, auxiliary limit seat; 54, spring washer; 55, nut; 56, limit stud; 57, pin hole; 58, fastener; 6, casting. DETAILED DESCRIPTION

[0034] Example 1

[0035] The utility model proposes a pipe opening positioning tool for eliminating the wear gap of the stud, such as Figure 1 As shown, it includes a bottom plate 1, a core shaft 2, a pipe opening positioning mechanism 4, a pipe opening auxiliary pressing mechanism 5 and a pressing mechanism 3, and the core shaft 2 is arranged in the middle of the bottom plate 1;

[0036] like Figure 2 As shown, the clamping mechanism 3 is vertically installed just above the mandrel 2;

[0037] The casting 6 is mounted on the base plate 1 and positioned by the mandrel 2; the clamping mechanism 3 applies pressure to the casting 6 from top to bottom to fix it;

[0038] like Figure 3 As shown, the pipe nozzle positioning mechanism 4 and the pipe nozzle auxiliary tightening mechanism 5 are both arranged on the base plate 1 and located on one side of the core shaft 2; the pipe nozzle positioning mechanism 4 and the pipe nozzle auxiliary tightening mechanism 5 are arranged in pairs to clamp the air outlet pipe nozzle of the casting 6.

[0039] The clamping mechanism 3 includes a positioning rod in the middle and a cover plate at the top;

[0040] The cover plate is provided with a slot for combining with the positioning rod;

[0041] Bolts and protective sleeves are arranged on the positioning rod; the protective sleeve is placed between the cover plate and the nut; the bolts are inserted into the positioning rod and connected with the inner wall threads of the positioning rod; the bolts are turned, and the nut squeezes the protective sleeve and the cover plate to press the casting 6.

[0042] like Figure 4 As shown, a plurality of pin holes 57 are provided on the pipe opening positioning mechanism 4 and the pipe opening auxiliary tightening mechanism 5. The fasteners 58 pass through the pin holes 57 to be positioned and connected with the bottom plate 1 and maintain the threaded locking state.

[0043] The nozzle auxiliary tightening mechanism 5 comprises a tightening component, a locking component and a supporting component;

[0044] The supporting component is used to fix with the base plate 1 and install the tightening component and the locking component;

[0045] The tightening component abuts against the casting 6 and cooperates with the pipe opening positioning mechanism 4 to clamp the air outlet pipe opening of the casting 6;

[0046] The locking components are used to eliminate stud wear play.

[0047] Preferably, the supporting component includes an auxiliary limiting seat 53;

[0048] The auxiliary limit seat 53 is set to be "L"-shaped, and its bottom is installed in coordination with the bottom plate 1;

[0049] The auxiliary limit seat 53 is provided with a notch along the direction perpendicular to the bottom plate 1, dividing the auxiliary limit seat 53 into a mounting portion and a deformation portion; the deformation portion is close to one side of the casting 6; the mounting portion and the deformation portion are respectively provided with threaded holes for installing the tightening component and the locking component.

[0050] The tightening component includes a limiting stud 56; a handle is provided at one end of the limiting stud 56;

[0051] The limiting stud 56 passes through the mounting portion and the deformation portion of the auxiliary limiting seat 53 and is threadedly connected with the threaded hole;

[0052] The gap of the notch on the auxiliary limiting seat 53 is larger than the pitch of the screw thread.

[0053] The locking component includes a screw 51, a flat washer 52, a nut 55 and a spring washer 54;

[0054] The locking component is located below the tightening component, and the screw 51 of the locking component passes through the mounting portion and the deformation portion of the auxiliary limiting seat 53 and is threadedly connected with the threaded hole;

[0055] The flat washer 52 is sleeved on the screw 51 and is located at one end close to the casting 6;

[0056] The spring washer 54 is sleeved on the screw 51 and is located on one side of the mounting portion; the nut 55 is arranged on one side of the spring washer 54;

[0057] The nut 55 is threadably connected to the screw 51; rotating the nut 55 clockwise compresses the spring washer 54 and the flat washer 52, and the deformed portion tilts toward the fixed portion to eliminate the wear gap.

[0058] In this embodiment, the casting 6 is first installed on the core shaft 2, and the air outlet pipe mouth is abutted against the pipe mouth positioning mechanism 4, and the pipe mouth positioning mechanism 4 is used for positioning; then the handle on the pipe mouth auxiliary tightening mechanism 5 is rotated to make the limiting stud 56 rotate and gradually move toward the casting 6 until the limiting stud 56 abuts against the casting 6 to clamp the casting 6; then the cover plate is installed on the positioning rod along the direction of the groove, and bolts and protective sleeves are provided on the positioning rod; the protective sleeve is padded between the cover plate and the nut; the bolt is inserted into the positioning rod and connected with the inner wall thread of the positioning rod; the bolt is rotated, and the nut squeezes the protective sleeve and the cover plate to press the casting 6.

[0059] In this embodiment, a locking component is provided on the auxiliary tightening mechanism 5 of the pipe mouth, and the locking component includes a screw 51, a flat washer 52, a nut 55 and a spring washer 54; the locking component is located below the tightening component, and the screw 51 of the locking component passes through the mounting portion and the deformation portion of the auxiliary limit seat 53, and is threadedly connected with the threaded hole; the flat washer 52 is sleeved on the screw 51 and is located at one end close to the casting 6; the spring washer 54 is sleeved on the screw 51 and is located on one side of the mounting portion; the nut 55 is arranged on one side of the spring washer 54; during use, the nut 55 is first threadedly connected with the screw 51; the nut 55 is rotated clockwise to press the spring washer 54 and the flat washer 52, so that the deformation portion is deformed by tilting toward the fixing portion, and the deformation amount eliminates the wear gap caused by the long-term tightening of the limit stud 56, thereby avoiding the tool vibration phenomenon during the processing.

[0060] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A pipe orifice positioning tool for eliminating the wear gap of a stud, comprising a base plate (1), a core shaft (2), a pipe orifice positioning mechanism (4), a pipe orifice auxiliary tightening mechanism (5) and a tightening mechanism (3), characterized in that: The core shaft (2) is arranged in the middle of the bottom plate (1); The clamping mechanism (3) is vertically mounted just above the core shaft (2); The casting (6) is mounted on the base plate (1) and positioned by the mandrel (2); the clamping mechanism (3) applies pressure from top to bottom to the casting (6) to fix it; The pipe opening positioning mechanism (4) and the pipe opening auxiliary tightening mechanism (5) are both arranged on the bottom plate (1) and located on one side of the core shaft (2); the pipe opening positioning mechanism (4) and the pipe opening auxiliary tightening mechanism (5) are arranged in pairs to clamp the air outlet pipe opening of the casting (6).

2. A pipe orifice positioning tool for eliminating stud wear gap according to claim 1, characterized in that: The clamping mechanism (3) comprises a positioning rod in the middle and a cover plate at the top; The cover plate is provided with a slot for combining with the positioning rod; A bolt and a protective sleeve are arranged on the positioning rod; the protective sleeve is cushioned between the cover plate and the nut; the bolt is inserted into the positioning rod and connected with the inner wall thread of the positioning rod; the bolt is turned, and the nut squeezes the protective sleeve and the cover plate to press the casting (6).

3. A pipe orifice positioning tool for eliminating stud wear gap according to claim 1, characterized in that: A plurality of pin holes (57) are provided on the pipe opening positioning mechanism (4) and the pipe opening auxiliary tightening mechanism (5), and the fasteners (58) pass through the pin holes (57) to be positioned and connected with the bottom plate (1) and maintain a threaded locking state.

4. A pipe orifice positioning tool for eliminating stud wear gap according to claim 1, characterized in that: The pipe orifice auxiliary tightening mechanism (5) comprises a tightening component, a locking component and a supporting component; The supporting component is used to be fixed to the base plate (1) and to install the tightening component and the locking component; The tightening component abuts against the casting (6) and cooperates with the pipe opening positioning mechanism (4) to clamp the air outlet pipe opening of the casting (6); The locking components are used to eliminate stud wear play.

5. A pipe orifice positioning tool for eliminating stud wear gap according to claim 4, characterized in that: The supporting component comprises an auxiliary limiting seat (53); The auxiliary limit seat (53) is set to be "L"-shaped, and its bottom is installed in coordination with the bottom plate (1); The auxiliary limiting seat (53) is provided with a notch along a direction perpendicular to the bottom plate (1), so as to separate the auxiliary limiting seat (53) into a mounting portion and a deformation portion; The deformation part is close to one side of the casting (6); the mounting part and the deformation part are respectively provided with threaded holes for mounting the pressing part and the locking part.

6. A pipe orifice positioning tool for eliminating stud wear gap according to claim 5, characterized in that: The tightening component comprises a limiting stud (56); a handle is arranged at one end of the limiting stud (56); The limiting stud (56) passes through the mounting portion and the deformation portion of the auxiliary limiting seat (53) and is threadedly connected with the threaded hole; The gap of the notch on the auxiliary limiting seat (53) is greater than the pitch of the screw thread.

7. A pipe orifice positioning tool for eliminating stud wear gap according to claim 5, characterized in that: The locking component comprises a screw (51), a flat washer (52), a nut (55) and a spring washer (54); The locking component is located below the tightening component, and the screw (51) of the locking component passes through the mounting portion and the deformation portion of the auxiliary limiting seat (53) and is threadedly connected with the threaded hole; The flat washer (52) is sleeved on the screw (51) and is located at one end close to the casting (6); The spring washer (54) is sleeved on the screw (51) and is located on one side of the mounting portion; the nut (55) is arranged on one side of the spring washer (54); The nut (55) is threadably connected to the screw (51); the nut (55) is rotated clockwise to compress the spring washer (54) and the flat washer (52), and the deformed portion is inclined toward the fixed portion to eliminate the wear gap.

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