Front axle combined machining clamp

Abstract

The utility model aims to provide a front axle combined machining clamp, and belongs to the field of tools. Comprising a base, an upper gland, a lower gland and a mandrel, the top of the mandrel penetrates through the upper gland and tightens the upper gland through a small hexagon nut, the bottom of the mandrel penetrates through the lower gland and is fixed to the base through a hexagon socket cap screw, and the bottom of a front shaft is installed at the matched spigot position of the base through a positioning pin. The top of the front shaft is connected with an upper gland through an upper gland gasket. According to the base, boring, inner hole turning, outer circle turning and end face machining are achieved at the same time, the assembly efficiency of parts and tools is improved, and cost is saved. The upper gland and the upper gland gasket are provided with holes with the same number and the same angle as the parts, so that the glands are in contact with the parts to the maximum extent, the parts can be prevented from being deformed in the part boring process, and whether program point positions are correct or not can be verified. The surface of the pressing plate is plated with copper, so that the pressing plate is prevented from being in direct contact with the part to damage the surface of the part.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tooling device, in particular to a clamp. BACKGROUND

[0002] The front shaft is a gas turbine part. The commonly used turning machining method is to clamp the front shaft on a four-jaw chuck for turning, and the boring and milling machining method is to mill by pressing the end face with a pressing plate. However, due to the special structure of the front shaft part and the fact that the part is a thin-walled part, the traditional clamping and alignment device has poor stability in clamping and fixing the part, and the part is prone to deformation during machining, the machining efficiency is low, and even the part is scrapped. SUMMARY

[0003] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0004] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0005] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0006] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0007] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0008] The utility model discloses a front shaft combined machining clamp which can solve the problems of the traditional clamping and alignment device, such as poor stability in clamping and fixing the part, part deformation during machining, low machining efficiency, and even part scrapping.

[0009] 1. The upper pressing cover and the upper pressing cover gasket are provided with the same number of holes with the same angle as the part.

[0010] 2. The locating pin and the front axle have clearance fit.

[0011] 3. There are 6 waist-shaped grooves on the base.

[0012] 4. The surface of the pressing plate is copper-plated.

[0013] The advantages of this utility model are:

[0014] 1. The base of the utility model can simultaneously meet the needs of boring, turning inner holes, turning outer circles and end surface processing, thereby improving the assembly efficiency of parts and tooling and saving costs.

[0015] 2. The upper gland and the upper gland gasket of the utility model have holes with the same number and angle as the parts, ensuring that the gland contacts the parts to the greatest extent, preventing the parts from being deformed during the boring process, and also verifying whether the program points are correct.

[0016] 3. The surface of the pressing plate of the utility model is copper-plated to prevent the pressing plate from directly contacting the parts and damaging the surface of the parts. The utility model is easy to operate and has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a cross-sectional view of the base;

[0019] Figure 3 This is the AA section view. DETAILED DESCRIPTION

[0020] The present invention is described in more detail below with reference to the accompanying drawings:

[0021] Combine Figure 1-3 The utility model includes a main body base 16, M6X25 hexagon socket head screw 6, M12X25 hexagon socket head screw 17, a core shaft 1, equal-length studs 15, a hexagonal head bolt 14, a pressure plate 13, a hexagonal nut (small) 2, a short core shaft 9, a lower pressure cover 10, a lower pressure cover washer 11, an upper pressure cover 3, an upper pressure cover washer 4, a hexagonal nut (large) 8, a positioning pin 7, and a pressure plate nut 11.

[0022] When used for boring processing: install the core shaft 1 to the matching position of the base 16, connect and fix it with the M12X25 hexagon socket head screw 17, install the locating pin 7 to the base 16, and install the front axle 5 to the matching stop position of the base 16 through the locating pin 7. Tighten the upper cover gasket 4 through the M6X25 hexagon socket head screw 6 to connect and install the upper cover 10 to the front axle 5, tighten the upper cover 3 with the hexagonal nut (small) 2, use the dial indicator to align the parts according to the process requirements, and then perform boring processing.

[0023] When used for processing holes inside the vehicle: install the front axle 5 to the base 16 in conjunction with the stop position, install the hexagonal head bolts 14 and the equal-length double studs 15 on the base 16, install the pressure plate 13 on the hexagonal head bolts 14 and the equal-length double-headed studs 15, tighten the pressure plate 13 with the pressure plate nut 12, use the dial indicator to align the parts according to the process requirements, and then proceed with processing.

[0024] When used for turning the outer circle and end surface processing: install the short core shaft 9 to the matching position of the base 16, connect and fix it with the M12X25 hexagon socket head screw 17, install the front axle 5 to the matching stop position of the base 16, tighten the lower cover 10 with the M6X25 hexagon socket head screw 17 to connect and install it on the front axle 5, use the hexagonal nut (large) 8 to tighten the lower cover 10, use the dial indicator to align the parts according to the process requirements, and then perform turning the outer circle and end surface processing.

[0025] When in use, the base 16 can simultaneously meet the requirements of boring, inner hole turning, outer circle turning and end surface processing, thereby improving the assembly efficiency of parts and tooling and saving costs.

[0026] There are holes on the upper cover 3 and the upper cover gasket 4 with the same number and angle as the parts, ensuring that the cover is in contact with the parts to the greatest extent, preventing the parts from deforming during the boring process, and also verifying whether the program points are correct.

[0027] The base 16 has 6 waist-shaped grooves.

[0028] The surface of the pressing plate 13 is copper-plated to prevent the pressing plate from directly contacting the parts and damaging the surface of the parts, causing bumps and scratches on the surface of the parts.

[0029] The positioning pin 7 is matched with the front axle 5 with a small clearance, which better ensures its positioning accuracy and improves the processing accuracy of the parts.

Claims

1. A front axle combined processing fixture, characterized by: It includes a base, an upper pressure cover, a lower pressure cover, and a core shaft. The top of the core shaft passes through the upper pressure cover and is tightened with a small hexagonal nut. The bottom of the core shaft passes through the lower pressure cover and is fixed to the base with a hexagonal cylindrical head screw. The bottom of the front axle is installed in the matching stop position of the base through a locating pin, and the top of the front axle is connected to the upper pressure cover through an upper pressure cover washer.

2. A front axle combined processing fixture, characterized by: It includes a base, a hexagonal head bolt, an equal-length stud, a pressure plate, and a pressure plate nut. The bottom of the front axle is installed at the base to match the stop position. The bottom of the hexagonal head bolt and the equal-length stud are connected to the base. The top of the hexagonal head bolt and the equal-length stud is connected to the pressure plate. The pressure plate nut is installed on the equal-length stud above the pressure plate, and the pressure plate nut presses the pressure plate tightly.

3. A front axle combined processing fixture, characterized by: It includes a base, a short core shaft, a hexagon socket head screw, a lower pressure cover, a lower pressure cover gasket, and a large hexagon nut. The short core shaft passes through the lower pressure cover and is fixed to the base by the hexagon socket head screw. The bottom of the front axle is installed at the base in conjunction with the stop position. The lower pressure cover is tightened and connected to the front axle by the small hexagon socket head screw to tighten the lower pressure cover gasket. The large hexagon nut is installed on the short core shaft above the lower pressure cover, and the large hexagon nut tightens the lower pressure cover.

4. The front axle assembly processing fixture according to claim 1, characterized in that: The upper gland and the upper gland gasket are provided with holes with the same number and angle as the parts.

5. The front axle assembly processing fixture according to claim 1, characterized in that: The locating pin is fitted with clearance on the front axle.

6. A front axle assembly processing fixture according to any one of claims 1 to 3, characterized in that: There are 6 waist-shaped grooves on the base.

7. The front axle assembly processing fixture according to claim 2, characterized in that: The surface of the pressure plate is copper plated.

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