A positioning fixture for deep cavity multi-diameter precision boring.

Abstract

This utility model relates to the field of positioning technology, and in particular to a positioning fixture for precision boring of deep-cavity multi-diameter workpieces. It includes a positioning box, a base, a lifting cylinder, a support column, a positioning plate, fixed side plates, and the positioning cylinder itself. The positioning box has a circular positioning opening at its front end. The base is installed at the lower end of the positioning box. The lifting cylinder is fixedly installed inside the bottom end of the base. The upper end of the lifting cylinder's output end passes through the upper end of the base and the lower end of the positioning box, extending to the inner side of the circular positioning opening. The support column is arranged vertically, and its lower end is fixedly connected to the upper end of the lifting cylinder's output end. The positioning plate is fixedly installed on the upper end of the support column. Two fixed side plates are provided, symmetrically fixedly installed on the upper end of the positioning plate. This utility model can achieve multiple positioning of deep-cavity multi-diameter workpieces, thereby greatly improving the positioning effect, and also has the function of protecting the deep-cavity multi-diameter workpieces during machining.

Description

Technical Field

[0001] This utility model relates to the field of positioning technology, and in particular to a positioning fixture for deep cavity multi-diameter precision boring. Background Technology

[0002] A deep cavity refers to a workpiece with a large internal structure and a narrow space, where the cavity depth is much greater than the opening size. Multiple apertures refer to the presence of multiple holes (apertures) at different positions, sizes, or angles on the same workpiece, and these holes need to maintain strict spatial relationships (such as parallelism, coaxiality, positional accuracy, etc.).

[0003] Deep cavity multi-aperture precision boring, as the name suggests, refers to the precision boring of workpieces that simultaneously possess deep cavity structures and multi-aperture characteristics. It is commonly found in high-end manufacturing fields. When performing deep cavity multi-aperture precision boring, a positioning fixture is required to position the workpiece. However, existing positioning fixtures have the following problems:

[0004] The current positioning fixture lacks multiple positioning functions and only clamps the deep cavity multi-hole workpiece with a single positioning block, resulting in poor positioning effect. Furthermore, it does not have the function of protecting the deep cavity multi-hole workpiece during machining. However, the waste chips generated during boring will affect the machining process, and the high temperature generated at the machining site can easily damage the deep cavity multi-hole workpiece. Therefore, a positioning fixture for precision boring of deep cavity multi-hole workpiece is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a positioning fixture for deep cavity multi-diameter precision boring, so as to solve the problems mentioned in the background art.

[0006] The technical solution adopted in this utility model is:

[0007] A positioning fixture for deep cavity multi-diameter precision boring includes:

[0008] The positioning box has a circular positioning port at the front.

[0009] The base is installed at the bottom of the positioning box;

[0010] The lifting cylinder is fixedly installed inside the bottom of the base. The upper end of the output end of the lifting cylinder passes through the upper end of the base and the lower end of the positioning box, and extends to the inside of the circular positioning port.

[0011] A support column is installed vertically, and the lower end of the support column is fixedly connected to the upper end of the output end of the lifting cylinder.

[0012] The positioning plate is fixedly installed on the upper end of the support column;

[0013] Two fixed side plates are provided, and the two fixed side plates are symmetrically fixedly installed on the upper end of the positioning plate;

[0014] Two positioning cylinders are provided. The two positioning cylinders are respectively fixed to two fixed side plates at opposite ends. The output end of the positioning cylinder passes through the fixed side plate and is fixedly installed with a positioning clamp.

[0015] Optional, also includes:

[0016] The side sliding groove is provided in two symmetrically arranged at the left and right ends of the circular positioning opening. The left and right ends of the positioning plate are respectively slidably connected to the inner sidewalls of the two side sliding grooves in the vertical direction.

[0017] Optional, also includes:

[0018] A drying box is fixedly installed on the upper part of the base, and the drying box is located to the right of the positioning box;

[0019] The hot air blower is fixedly connected to the right end of the drying oven.

[0020] Optional, also includes:

[0021] A geared motor is fixedly installed inside the bottom of the base. The geared motor is located on the right side of the lifting cylinder. The upper end of the output shaft of the geared motor passes through the upper end of the base and the lower end of the drying box, and extends into the interior of the drying box.

[0022] The mounting plate is installed on the upper end of the motor output shaft.

[0023] Optional, also includes:

[0024] The protective component is installed on the top of the positioning box.

[0025] Optionally, the protection component further includes:

[0026] A cold water tank is fixedly installed on the upper end of the positioning box. The upper end of the cold water tank has a water inlet, and a cover is installed at the water inlet. The cold water tank contains cold water.

[0027] Optionally, the protection component further includes:

[0028] One end of the water outlet pipe is fixedly connected to the front end of the bottom of the cold water tank, and a water pump is installed on the water outlet pipe.

[0029] The left and right side plates are symmetrically fixedly installed on the front end of the top of the positioning box, with the left side plate located to the left of the right side plate.

[0030] An adjustable motor is fixedly installed on the left end of the left side panel. The right end of the output shaft of the adjustable motor passes through the left side panel and is fixedly installed on the left end of the water tank. Multiple water spray nozzles are provided at the lower end of the water tank.

[0031] The left end of the water inlet pipe is fixedly connected to the middle of the right end face of the water tank. The right end of the water inlet pipe passes through the right side plate and is connected to the other end of the water outlet pipe through the connecting shell.

[0032] Optionally, the right end of the water inlet pipe is rotatably connected to the connecting shell via a bearing, a sealing rubber ring is provided at the connection between the water inlet pipe and the connecting shell, and the other end of the water outlet pipe is fixedly connected to the upper end of the connecting shell.

[0033] Compared with the prior art, the beneficial effects of this utility model are:

[0034] When using this type of positioning fixture for precision boring of deep cavity multi-diameter workpiece, the workpiece is first placed on the positioning plate. Then, the two positioning cylinders are activated, and the two positioning clamping plates that move in opposite directions can initially clamp and position the workpiece. Then, the lifting cylinder is activated, and the lifting cylinder can drive the positioning plate to move up through the support column. The moving positioning plate can clamp and position the workpiece at the arc-shaped part at the top of the inner side of the circular positioning port, thereby realizing the secondary positioning of the workpiece.

[0035] This positioning fixture for deep cavity multi-aperture precision boring is used by starting and adjusting the motor, which rotates the water spray tank so that the spray nozzles on the water spray tank can smoothly spray cold water onto the machining area of ​​the deep cavity multi-aperture workpiece. Then, the water pump is started to introduce cold water from the cold water tank into the water spray tank, and finally spray it onto the deep cavity multi-aperture workpiece through the spray nozzles. This not only washes away the waste generated during machining on the deep cavity multi-aperture workpiece, preventing the waste from affecting the machining, but also cools down the machining area of ​​the deep cavity multi-aperture workpiece, preventing the high temperature generated during machining from damaging the deep cavity multi-aperture workpiece. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram of the structure of this application;

[0038] Figure 2 This is a schematic diagram of the overhead structure of this application;

[0039] Figure 3 This is a schematic diagram of the structure of the protective component in this application;

[0040] Figure 4This is a partial structural cross-sectional view of this application.

[0041] Figure label:

[0042] 1. Base; 2. Circular positioning port; 3. Support column; 4. Positioning box; 5. Positioning plate; 6. Protective components; 7. Positioning clamp; 8. Drying oven; 9. Positioning cylinder; 10. Fixed side plate; 11. Side slide groove; 12. Hot air blower; 13. Lifting cylinder; 14. Gear motor; 15. Placement plate;

[0043] 601. Cold water tank; 602. Water pump; 603. Outlet pipe; 604. Connecting shell; 605. Inlet pipe; 606. Right side plate; 607. Spray tank; 608. Adjusting motor; 609. Left side plate. Detailed Implementation

[0044] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0046] like Figure 1-2As shown, this utility model embodiment provides a positioning fixture for deep cavity multi-diameter precision boring, including a positioning box 4, a base 1, a lifting cylinder 13, a support column 3, a positioning plate 5, a fixed side plate 10, and a positioning cylinder 9. The positioning box 4 has a circular positioning port 2 at its front end. The base 1 is installed at the lower end of the positioning box 4. The lifting cylinder 13 is fixedly installed at the bottom of the base 1. The upper end of the output end of the lifting cylinder 13 passes through the upper end of the base 1 and the lower end of the positioning box 4 in sequence, and extends to the inner side of the circular positioning port 2. The support column 3 is arranged vertically. The lower end of the support column 3 is fixedly connected to the upper end of the output end of the lifting cylinder 13. The positioning plate 5 is fixedly installed at the upper end of the support column 3. There are two fixed side plates 10, which are symmetrically fixedly installed at the upper end of the positioning plate 5. There are two positioning cylinders 9, which are respectively fixed to the two fixed side plates 10 at opposite ends. The output end of the positioning cylinder 9 passes through the fixed side plate 10 and is fixedly installed with a positioning clamping plate 7.

[0047] In this embodiment, it also includes side sliding grooves 11. There are two side sliding grooves 11. The two side sliding grooves 11 are symmetrically opened at the left and right ends inside the circular positioning port 2. The left and right ends of the positioning plate 5 are respectively slidably connected to the inner sidewalls of the two side sliding grooves 11 in the vertical direction.

[0048] When performing precision boring on a deep cavity multi-hole workpiece, the workpiece can first be placed on the positioning plate 5 and positioned between two positioning clamping plates 7. Then, the two positioning cylinders 9 are activated. The operation of the positioning cylinders 9 can drive the positioning clamping plates 7. The two positioning clamping plates 7 moving in opposite directions can initially clamp and position the deep cavity multi-hole workpiece. Then, the lifting cylinder 13 is activated. The operation of the lifting cylinder 13 can drive the positioning plate 5 to move upward through the support column 3. The upward-moving positioning plate 5 can clamp and position the deep cavity multi-hole workpiece at the inner top arc-shaped part of the circular positioning port 2, thereby realizing the secondary positioning of the deep cavity multi-hole workpiece.

[0049] like Figure 3As shown, it also includes a protection component 6, which is installed on the upper end of the positioning box 4. The protection component 6 also includes a cold water tank 601, which is fixedly installed on the upper end of the positioning box 4. The upper end of the cold water tank 601 has a water inlet with a cover. The cold water tank 601 contains cold water. The protection component 6 also includes a water outlet pipe 603, a left side plate 609, a right side plate 606, an adjusting motor 608, and a water inlet pipe 605. One end of the water outlet pipe 603 is fixedly connected to the bottom front end of the cold water tank 601. A water pump 602 is installed on the water outlet pipe 603. The left side plate 609 and the right side plate 606 are symmetrically fixedly installed on the top front end of the positioning box 4, with the left side plate 609 located on the right side. On the left side of plate 606, the adjusting motor 608 is fixedly installed on the left end of the left side plate 609. The right end of the output shaft of the adjusting motor 608 passes through the left side plate 609 and is fixedly installed on the left end of the water spray box 607. The lower end of the water spray box 607 has multiple water spray nozzles. The left end of the water inlet pipe 605 is fixedly connected to the middle of the right end face of the water spray box 607. The right end of the water inlet pipe 605 passes through the right side plate 606 and is connected to the other end of the water outlet pipe 603 through the connecting shell 604. The right end of the water inlet pipe 605 is rotatably connected to the connecting shell 604 through a bearing. A sealing rubber ring is provided at the connection between the water inlet pipe 605 and the connecting shell 604. The other end of the water outlet pipe 603 is fixedly connected to the upper end of the connecting shell 604.

[0050] When performing precision boring on a deep cavity multi-hole workpiece, the water pump 602 can be started. The operation of the water pump 602 can sequentially send the cold water in the cold water tank 601 through the outlet pipe 603, the connecting shell 604 and the inlet pipe 605 into the spray tank 607, and finally spray it onto the deep cavity multi-hole workpiece through the spray nozzle. This can not only wash away the waste generated during the machining of the deep cavity multi-hole workpiece to avoid the waste from affecting the machining, but also cool down the machining part of the deep cavity multi-hole workpiece to avoid the high temperature generated during the machining process from damaging the deep cavity multi-hole workpiece.

[0051] By starting the regulating motor 608, the angle of the water spray tank 607 can be rotated, so that the spray nozzles on the water spray tank 607 can smoothly spray cold water onto the processing part of the deep cavity multi-hole workpiece.

[0052] like Figure 4 As shown, it also includes a drying chamber 8 and a hot air blower 12. The drying chamber 8 is fixedly installed on the upper end of the base 1 and is located on the right side of the positioning box 4. The hot air blower 12 is fixedly connected to the right end of the drying chamber 8. It also includes a geared motor 14 and a placement plate 15. The geared motor 14 is fixedly installed inside the bottom end of the base 1 and is located on the right side of the lifting cylinder 13. The upper end of the output shaft of the geared motor 14 passes through the upper end of the base 1 and the lower end of the drying chamber 8, and extends into the interior of the drying chamber 8. The placement plate 15 is installed on the upper end of the motor output shaft. Both the drying chamber 8 and the front end of the base 1 have openings, and sealing plates are installed at the openings.

[0053] After processing, the deep cavity multi-pore workpiece can be placed on the placement plate 15 inside the drying oven 8. Then, the geared motor 14 and the hot air blower 12 are started. The hot air blower 12 blows hot air into the drying oven 8 to dry the deep cavity multi-pore workpiece. The geared motor 14 can slowly rotate the deep cavity multi-pore workpiece through the placement plate 15, so that the deep cavity multi-pore workpiece can fully contact the hot air sprayed by the hot air blower 12, further improving the drying efficiency of the deep cavity multi-pore workpiece.

[0054] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A positioning fixture for deep cavity multi-diameter precision boring, characterized in that, include: The positioning box (4) has a circular positioning port (2) at the front end; the base (1) is installed at the lower end of the positioning box (4); the lifting cylinder (13) is fixedly installed at the bottom of the base (1), and the upper end of the output end of the lifting cylinder (13) passes through the upper end of the base (1) and the lower end of the positioning box (4) in sequence, and extends to the inner side of the circular positioning port (2); the support column (3) is set in the vertical direction, and the lower end of the support column (3) is fixedly connected to the upper end of the output end of the lifting cylinder (13); the positioning plate (5) is fixedly installed at the upper end of the support column (3); there are two fixed side plates (10), and the two fixed side plates (10) are symmetrically fixedly installed at the upper end of the positioning plate (5); there are two positioning cylinders (9), and the two positioning cylinders (9) are respectively fixed to the two fixed side plates (10) at one end away from each other, and the output end of the positioning cylinder (9) passes through the fixed side plate (10) and is fixedly installed with a positioning clamp (7).

2. The positioning fixture for deep cavity multi-diameter precision boring according to claim 1, characterized in that, Also includes: There are two side sliding grooves (11). The two side sliding grooves (11) are symmetrically opened at the left and right ends inside the circular positioning port (2). The left and right ends of the positioning plate (5) are respectively slidably connected to the inner sidewalls of the two side sliding grooves (11) in the vertical direction.

3. The positioning fixture for deep cavity multi-diameter precision boring according to claim 1, characterized in that, Also includes: The drying box (8) is fixedly installed on the upper end of the base (1), and the drying box (8) is located on the right side of the positioning box (4); The hot air blower (12) is fixedly connected to the right end of the drying box (8).

4. A positioning fixture for deep cavity multi-diameter precision boring according to claim 3, characterized in that, Also includes: A geared motor (14) is fixedly installed at the bottom of the base (1). The geared motor (14) is located on the right side of the lifting cylinder (13). The upper end of the output shaft of the geared motor (14) passes through the upper end of the base (1) and the lower end of the drying box (8), and extends into the interior of the drying box (8). A placement plate (15) is installed on the upper end of the motor output shaft.

5. A positioning fixture for deep cavity multi-diameter precision boring according to claim 1, characterized in that, Also includes: The protective component (6) is installed on the upper end of the positioning box (4).

6. A positioning fixture for deep cavity multi-diameter precision boring according to claim 5, characterized in that, The protection component (6) further includes: a cold water tank (601), which is fixedly installed on the upper end of the positioning box (4). The upper end of the cold water tank (601) is provided with a water inlet, and a cover is installed at the water inlet. The cold water tank (601) is filled with cold water.

7. A positioning fixture for deep cavity multi-diameter precision boring according to claim 6, characterized in that, The protection component (6) further includes: a water outlet pipe (603), one end of which is fixedly connected to the front end of the bottom of the cold water tank (601), and a water pump (602) is installed on the water outlet pipe (603); a left side plate (609) and a right side plate (606), which are symmetrically fixedly installed on the front end of the top of the positioning box (4), and the left side plate (609) is located to the left of the right side plate (606); an adjustment motor (608), which is fixedly installed on the left end of the left side plate (609), and the right end of the output shaft of the adjustment motor (608) passes through the left side plate (609) and is fixedly installed on the left end of the spray tank (607), and multiple spray nozzles are opened at the lower end of the spray tank (607); a water inlet pipe (605), the left end of which is fixedly connected to the middle position of the right end face of the spray tank (607), and the right end of the water inlet pipe (605) passes through the right side plate (606) and is connected to the other end of the water outlet pipe (603) through the connecting shell (604).

8. A positioning fixture for deep cavity multi-diameter precision boring according to claim 7, characterized in that, The right end of the water inlet pipe (605) is rotatably connected to the connecting shell (604) via a bearing. A sealing rubber ring is provided at the connection between the water inlet pipe (605) and the connecting shell (604). The other end of the water outlet pipe (603) is fixedly connected to the upper end of the connecting shell (604).

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