Turbocharger shell end face drilling positioning tool

Abstract

The utility model relates to the technical field of turbocharger shell machining, in particular to a turbocharger shell end face drilling and positioning tool which comprises a fixing table, two mounting plates are mounted on the fixing table, two clamping tables are arranged on each mounting plate, a positioning seat is arranged between the two mounting plates, and the clamping tables are arranged on the positioning seat. A limiting mechanism is mounted on the positioning seat; the limiting mechanism comprises a circular limiting plate, a plurality of adjusting grooves are formed in the upper surface of the limiting plate and located in the diameter of the limiting plate, side plates are fixed to the inner walls of the two sides of the top end of each adjusting groove, and a plurality of sets of limiting grooves are formed in the side plates. According to the device, the limiting plate is additionally arranged in the middle of the fixing table, the limiting blocks distributed in the circumferential direction are arranged on the limiting plate, the end face of the shell is positioned through the limiting blocks, the shell is located in the middle of the limiting plate, then the shell can be centered and positioned after being turned over, the operation of punching and tool setting again is avoided, and the machining efficiency is improved. And the processing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbocharger casing processing technical field especially relates to a turbocharger casing end face drilling positioning frock. BACKGROUND

[0002] The turbocharger includes centrifugal compressor and turbine, and the casing is generally used to carry the impeller, the casing is used to convert the kinetic energy of the impeller into pressure energy, the casing is similar to involute, the shaft of the impeller is inclined to one side, the gap between the outer edge of the impeller and the casing is the smallest, and the rotation of the centrifugal wheel makes the wind blow out from the outlet, and the air inlet enters from the shaft of the impeller.

[0003] When drilling operation is carried out on the compressor casing connecting flange of the casing, the positioning frock needs to be used to clamp and position the casing, so that the drill bit can be precisely drilled on the compressor casing connecting flange, and the current positioning frock as shown in the drawing is clamped and fixed on the casing through a plurality of circumferentially arranged clamping tables. Figure 2 However, when one side of the casing is drilled, the casing needs to be loosened and turned over and fixed again, the casing cannot be centrally positioned, the drill needs to be re-adjusted, the processing efficiency is affected, and therefore, the turbocharger casing end face drilling positioning frock is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the positioning frock in prior art when using, when one side of the casing is drilled, the casing needs to be loosened and turned over and fixed again, the casing cannot be centrally positioned, the drill needs to be re-adjusted, the processing efficiency is affected, and therefore, the turbocharger casing end face drilling positioning frock is provided to solve the above problems.

[0005] The utility model is realized through the following technical schemes:

[0006] A turbocharger casing end face drilling positioning frock, including fixed platform, install two mounting plates on the fixed platform, set up two clamping tables on each mounting plate, set up the positioning seat between two mounting plates, install the limiting mechanism on the positioning seat;

[0007] The limiting mechanism includes the limiting plate of circular arrangement, and the upper surface of the limiting plate is provided with a plurality of adjusting grooves, the adjusting groove is located on the diameter of the limiting plate, and the inner wall on both sides of the top end of each adjusting groove is fixed with a side plate, and a plurality of limiting grooves are formed in the side plate;

[0008] The inner part of each adjusting groove is slidably installed with a sliding plate, the sliding plate is connected with a clamping block through a spring, the clamping block is clamped in the limiting groove, and the upper end of the clamping block is fixed with a limiting block.

[0009] In a preferred embodiment of the utility model, the middle part of the positioning seat is provided with a connecting screw hole, and the bottom of the limiting plate is fixedly provided with a connecting stud, and the connecting stud is matched with the connecting screw hole.

[0010] In a preferred embodiment of the utility model, the number of the adjusting grooves is three, and the three adjusting grooves are evenly distributed around the center of the limiting plate, and the shell is positioned from three sides, so that the stability of the fixed shell is improved, thereby facilitating the drilling operation.

[0011] In a preferred embodiment of the utility model, the limiting block is arc-shaped on the side close to the middle part of the limiting plate, so that the limiting block is closely attached to the outer wall of the shell, and the fixing effect is improved.

[0012] In a preferred embodiment of the utility model, the clamping table comprises a mounting seat, a fixed block is mounted on the mounting seat through bolts, a screw rod is horizontally arranged on the fixed block, the screw rod is threadedly connected with the fixed block, and a clamping block is rotatably mounted on one end of the screw rod, so that the shell is fixed by rotating the screw rod to drive the clamping block.

[0013] In a preferred embodiment of the utility model, the clamping block is located at one end close to the limiting mechanism, and the clamping block is slidably connected with the mounting seat, so that the stability is improved, and the outer wall of the clamping block is provided with an embossing, so that the friction between the clamping block and the shell is improved, and the fixing effect is improved.

[0014] The utility model has the advantages of:

[0015] 1. The device is characterized in that a limiting plate is arranged in the middle part of the fixing table, and a plurality of circumferentially distributed limiting blocks are arranged on the limiting plate, the shell end face is positioned by the limiting blocks, the shell is located in the middle part of the limiting plate, and the shell can be centrally positioned after being turned over, so that the punching tool setting operation is avoided, and the processing efficiency is improved.

[0016] 2. A plurality of limiting grooves are arranged on the side plate, the limiting blocks are arranged in different limiting grooves, the positioning of different types of shells is adapted, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the turbine supercharger shell end face drilling positioning tool of the utility model;

[0018] Figure 2 It is a structure schematic view of the existing shell positioning tool;

[0019] Figure 3 It is Figure 1 It is a structure schematic view of the middle A;

[0020] Figure 4It is the main view structure schematic diagram of the limiting mechanism.

[0021] In the figure: 1, fixed platform; 2, mounting plate; 3, clamping platform; 31, mounting seat; 32, fixed block; 33, clamping block; 34, screw rod; 4, positioning seat; 41, connecting screw hole; 5, limiting mechanism; 51, adjusting groove; 52, side plate; 53, limiting groove; 54, sliding plate; 55, clamping block; 56, spring; 57, limiting block; 58, limiting plate; 59, connecting stud. DETAILED DESCRIPTION

[0022] The advantages and features of the present application will be more easily understood by the person skilled in the art by referring to the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the scope of protection of the present application can be more clearly and explicitly defined. The directions mentioned in the present application, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only the directions of the accompanying drawings. Therefore, the directions used are used to explain and understand the present application, not to limit the present application.

[0023] As Figures 1-4 shown in a kind of turbocharger housing end face drilling positioning tool, including fixed platform 1, two mounting plates 2 are installed on fixed platform 1, two clamping platforms 3 are provided on each mounting plate 2, clamping platform 3 includes mounting seat 31, fixed block 32 is installed on mounting seat 31 by bolt, fixed block 32 is transversely provided with screw rod 34, screw rod 34 is threadedly connected with fixed block 32, and the end of screw rod 34 is rotatably installed with clamping block 33, the shell is fixed by rotating screw rod 34 and driving clamping block 33;

[0024] Wherein, positioning seat 4 is provided between the two mounting plates 2, limiting mechanism 5 is installed on positioning seat 4, clamping block 33 is located at one end close to limiting mechanism 5, and clamping block 33 is slidably connected with mounting seat 31, to improve stability, and embossment is provided on the outer wall of clamping block 33, the setting of embossment can improve the friction between clamping block 33 and the shell, to improve the fixing effect;

[0025] Secondly, limiting mechanism 5 includes circularly arranged limiting plate 58, connecting screw hole 41 is formed in the middle part of positioning seat 4, and connecting stud 59 is fixed at the bottom of limiting plate 58, connecting stud 59 is matched with connecting screw hole 41, three adjusting grooves 51 are formed on the upper surface of limiting plate 58, as Figure 1As shown, three adjusting grooves 51 are uniformly distributed around the center of the limiting plate 58, and a sliding plate 54 is slidingly installed in each adjusting groove 51, the sliding plate 54 is connected with a clamping block 55 through a spring 56, the clamping block 55 is clamped in the limiting groove 53, and the upper end of the clamping block 55 is fixed with a limiting block 57, the limiting block 57 is arc-shaped on the side close to the middle of the limiting plate 58, so that the limiting block 57 is tightly fitted with the outer wall of the shell, the fixing effect is improved, the flange of the end face of the shell is placed between the three adjusting grooves 51, the shell is positioned from three sides, the stability of the shell after being fixed is improved, so that the drilling operation is facilitated, the adjusting grooves 51 are located on the diameter of the limiting plate 58, and a side plate 52 is fixed on the inner wall of the top of each adjusting groove 51, and a plurality of limiting grooves 53 are formed in the side plate 52;

[0026] In the embodiment, the position of the limiting block 57 is adjusted according to the diameter of the flange ring of the end face of the shell, when adjusting, the spring 56 is compressed by pressing the limiting block 57 downward, and at the same time, the clamping block 55 is separated from the limiting groove 53, so that the limiting block 57 can be moved and its position can be adjusted, and after adjustment, the limiting blocks 57 in the other two adjusting grooves 51 are also adjusted correspondingly;

[0027] The shell is placed on the limiting plate 58 and is preliminarily positioned by the limiting block 57, and the clamping block 33 is driven to move towards the shell by rotating the screw rod 34 again, and the shell is clamped and fixed by the circumferentially arranged four clamping tables 3, so that the drilling operation can be performed on the end face of the shell.

[0028] When drilling on one side is completed, the clamping table 3 is loosened, the shell is turned over, and then the shell is preliminarily positioned by the limiting block 57 and fixed by the clamping table 3, so that the operation of re-drilling and re-tooling is avoided, and the processing efficiency is improved.

[0029] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as air cylinders, oil cylinders, electric cylinders, motors, connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0030] In the description of the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting", "provided with" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A turbocharger housing end face drilling and positioning tool, comprising a fixing platform (1), two mounting plates (2) mounted on the fixing platform (1), and two clamping platforms (3) provided on each mounting plate (2), characterized in that: A positioning seat (4) is provided between the two mounting plates (2), and a limiting mechanism (5) is installed on the positioning seat (4); The limiting mechanism (5) comprises a circular limiting plate (58), the upper surface of which is provided with a plurality of adjusting grooves (51), the adjusting grooves (51) being located on the diameter of the limiting plate (58), and side plates (52) being fixed on the inner walls on both sides of the top of each adjusting groove (51), the side plates (52) being provided with a plurality of groups of limiting grooves (53); A slide plate (54) is slidably mounted inside each of the adjustment slots (51), and a clamping block (55) is connected to the slide plate (54) via a spring (56). The clamping block (55) is clamped in the limiting slot (53), and a limiting block (57) is fixed to the upper end of the clamping block (55).

2. The turbocharger housing end face drilling and positioning tool according to claim 1, characterized in that: A connecting screw hole (41) is provided in the middle of the positioning seat (4), and a connecting stud (59) is fixed to the bottom of the limiting plate (58), and the connecting stud (59) is adapted to the connecting screw hole (41).

3. The turbocharger housing end face drilling and positioning tool according to claim 1, characterized in that: The number of the adjustment slots (51) is three, and the three adjustment slots (51) are evenly distributed around the center of the limiting plate (58).

4. The turbocharger housing end face drilling and positioning tool according to claim 1, characterized in that: The limiting block (57) is arranged in an arc shape on one side close to the middle of the limiting plate (58).

5. The turbocharger housing end face drilling and positioning tool according to claim 1, characterized in that: The clamping platform (3) includes a mounting seat (31), a fixing block (32) is mounted on the mounting seat (31) by means of bolts, a screw rod (34) is transversely passed through the fixing block (32), the screw rod (34) is threadedly connected to the fixing block (32), and a clamping block (33) is rotatably mounted on one end of the screw rod (34).

6. The turbocharger housing end face drilling and positioning tool according to claim 5, characterized in that: The clamping block (33) is located at one end close to the limiting mechanism (5), and the clamping block (33) is slidably connected to the mounting seat (31), and embossing is provided on the outer wall of the clamping block (33).

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