Machining tool for large-angle shell

Abstract

The utility model relates to the technical field of machining, in particular to a large-angle shell machining tool which comprises a base, a first pressing plate and a second pressing plate, a positioning shaft is fixedly connected to the upper portion of the base, a V-shaped opening is formed in the top face of the positioning shaft, a groove is formed in the middle of the inclined face of one side of the V-shaped opening, and a clamping groove is formed in the middle of the inclined face of the other side of the V-shaped opening. A groove is formed in one side of the V-shaped opening inclined plane, a third pressing plate, a check block, a positioning block and a cushion block are arranged on the other side of the V-shaped opening inclined plane, the positioning block is fixedly connected to the middle of the V-shaped opening inclined plane, the third pressing plate is arranged on the two sides of the positioning block, the check block is arranged below the third pressing plate, the first pressing plate is arranged below the check block, one end of the first pressing plate is arranged in the groove, and the other end of the first pressing plate is arranged in the cushion block. Compared with the prior art, the base plate can be installed on a vertical lathe workbench, accurate positioning of a blank is achieved through the positioning shaft and the positioning block, positioning is accurate, assembling and disassembling are convenient, efficiency is high, and the vertical lathe blank positioning device is suitable for mass production.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a processing tool for a large-angle shell. Background Art

[0002] like Figure 4 The shell shown in the figure has a complex shape and an irregular appearance. The blank positioning surface and the center line of the rotating part are 40 degrees, and the angle is large. It belongs to a non-center symmetrical part. The processing tooling disclosed in the prior art is a common machining tooling for symmetrical shell parts, and the publication number is CN219325012U, which includes: a first cylinder is installed on the lower surface of the base plate, a first clamping block is installed on the upper surface of the base plate, and the lifting shaft of the first cylinder passes through the base plate and is installed on the first clamping block; a second cylinder is installed on the lower surface of the base plate, and the second clamping block is installed on the lower surface of the base plate. The lifting shaft of the second cylinder passes through The substrate is installed on the second clamping block; the third cylinder is installed on the lower surface of the substrate, the third clamping block is installed on the lower surface of the substrate, and the lifting shaft of the third cylinder passes through the substrate and is installed on the second clamping block; the second clamping block is located between the first clamping block and the third clamping block; the first positioning block and the second positioning block are installed on the upper surface of the substrate; the first positioning block is located between the first clamping block and the second clamping block, and the second positioning block is located between the second clamping block and the third clamping block, which can avoid multiple clamping, and can also ensure the processing accuracy and improve the processing efficiency at the same time, but it is difficult to accurately position Figure 4 The shell shown in the figure is difficult to process and has low efficiency. Therefore, there is an urgent need for a processing tool that has accurate positioning, reliable clamping, and is suitable for processing non-center-symmetrical parts. Utility Model Content

[0003] In order to solve the above-mentioned technical problem or one of the technical problems existing in the prior art, the utility model discloses a processing tool for a large-angle shell, including a base, a first pressure plate and a second pressure plate, a positioning shaft is fixedly connected to the top of the base, a V-shaped opening is opened on the top surface of the positioning shaft, a groove is provided in the middle of the inclined surface on one side of the V-shaped opening, and a third pressure plate, a stopper, a positioning block and a cushion block are provided on the inclined surface on the other side, the positioning block is fixedly connected to the middle of the inclined surface of the V-shaped opening, the third pressure plate is arranged on both sides of the positioning block, the stopper is arranged below the third pressure plate, the first pressure plate is arranged below the stopper, one end of the first pressure plate is arranged in the groove, and the second pressure plate is arranged above the positioning block.

[0004] Furthermore, a top surface of one end of the V-shaped opening is higher than the other end, and the second pressing plate is arranged on the top surface of the higher end.

[0005] Furthermore, the top surfaces of the first pressure plate, the second pressure plate and the third pressure plate are each provided with a waist hole, a spring is provided below, and a clamping screw passes through the waist hole and the spring and is connected to the positioning shaft. The top of the clamping screw is limited by a nut, and support rods are provided below the outer ends of the first pressure plate, the second pressure plate and the third pressure plate, and the bottom of the support rod is fixedly connected to the positioning shaft.

[0006] Furthermore, the bottom surfaces of the first pressing plate, the second pressing plate and the third pressing plate are all provided with sliding grooves, and the top surface of the support rod is provided with a sliding block, and the sliding block is arranged in the sliding groove.

[0007] Furthermore, a triangular protrusion is provided on the top surface of the inner end of the second pressing plate, and a semicircular groove is provided on the end surface.

[0008] Furthermore, the stopper is an L-plate, the bottom of which is fixedly connected to the positioning shaft, and the top of which is screwed with a clamping bolt.

[0009] Furthermore, a cushion block fixedly connected to the positioning shaft is provided on the outer periphery of the positioning block.

[0010] Furthermore, the base is in the shape of an inverted frustum.

[0011] Furthermore, a lifting eye screw is screwed onto the top surface of the positioning shaft.

[0012] Compared with the prior art, the utility model can be installed on the vertical lathe workbench through the bottom plate, and the accurate positioning of the blank can be achieved through the positioning shaft and the positioning block. It has accurate positioning, convenient loading and unloading, high efficiency, and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation housing of the utility model;

[0015] Figure 3 For this utility model Figure 2 Schematic cross-sectional view of ;

[0016] Figure 4 This is a schematic diagram of the shell processed by the utility model. DETAILED DESCRIPTION

[0017] 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, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The technical solution adopted by the utility model shown is: a processing tool for a large-angle shell, comprising a base 1, a first pressing plate 2 and a second pressing plate 3, a positioning shaft 11 is fixedly connected to the top of the base 1, and a V-shaped opening is opened on the top surface of the positioning shaft 11 for installing the shell workpiece, a groove 14 is provided in the middle of the inclined surface on one side of the V-shaped opening, and a third pressing plate 4, a stopper 5, a positioning block 12 and a cushion block 13 are provided on the inclined surface on the other side, the positioning block 12 is fixedly connected to the middle of the inclined surface of the V-shaped opening, and can be engaged with the bottom of the shell 20 to locate the installation position of the shell 20, the third pressing plate 4 is arranged on both sides of the positioning block 12, and can fix the shell 20 twice, the stopper 5 is arranged below the third pressing plate 4, the first pressing plate 2 is arranged below the stopper 5, one end of the first pressing plate 2 is arranged in the groove 14, and the second pressing plate 3 is arranged above the positioning block 12 for further fixing the shell 20.

[0019] Preferably, the top surface of one end of the V-shaped opening is higher than the other end, and the second pressing plate 3 is arranged on the top surface of the higher end.

[0020] Preferably, the top surfaces of the first pressure plate 2, the second pressure plate 3 and the third pressure plate 4 are provided with waist holes to facilitate the adjustment, installation and disassembly of the shell 20, and a spring 9 is provided at the bottom, and is connected to the positioning shaft 11 through a clamping screw 10 passing through the waist hole and the spring 9. The top of the clamping screw 10 is limited by a nut, and a support rod 8 is provided below the outer end of the first pressure plate 2, the second pressure plate 3 and the third pressure plate 4, and the bottom of the support rod 8 is fixedly connected to the positioning shaft 11.

[0021] Preferably, the bottom surfaces of the first pressing plate 2, the second pressing plate 3 and the third pressing plate 4 are all provided with sliding grooves, and the top surface of the support rod 8 is provided with a sliding block, and the sliding block is arranged in the sliding groove for easy adjustment and positioning.

[0022] Preferably, the top surface of the inner end of the second pressing plate 3 is provided with a triangular protrusion, and the end surface is provided with a semicircular groove, which can adapt to the back structure of the shell 20 and play a better fixing role.

[0023] Preferably, the stopper 5 is an L-plate, the bottom of which is fixedly connected to the positioning shaft 11 , and the top of which is screwed with a clamping bolt 51 for fixing and limiting the housing 20 from both sides.

[0024] Preferably, a cushion block 13 fixedly connected to the positioning shaft 11 is provided on the outer periphery of the positioning block 12 .

[0025] Preferably, the base 1 is in the shape of an inverted frustum, which is convenient for installation on a workbench.

[0026] Preferably, a lifting eye screw 15 is screwed onto the top surface of the positioning shaft 11 .

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A processing tool for a large-angle shell, characterized in that: The invention comprises a base (1), a first pressing plate (2) and a second pressing plate (3); a positioning shaft (11) is fixedly connected to the top of the base (1); a V-shaped opening is provided on the top surface of the positioning shaft (11); a groove (14) is provided in the middle of the inclined surface on one side of the V-shaped opening; a third pressing plate (4), a stopper (5), a positioning block (12) and a cushion block (13) are provided on the inclined surface on the other side; the positioning block (12) is fixedly connected to the middle of the inclined surface of the V-shaped opening; the third pressing plate (4) is arranged on both sides of the positioning block (12); the stopper (5) is arranged below the third pressing plate (4); the first pressing plate (2) is arranged below the stopper (5); one end of the first pressing plate (2) is arranged in the groove (14); and the second pressing plate (3) is arranged above the positioning block (12).

2. A processing tool for a large-angle shell according to claim 1, characterized in that: The top surface of one end of the V-shaped opening is higher than the other end, and the second pressing plate (3) is arranged on the top surface of the higher end.

3. A processing tool for a large-angle shell according to claim 1, characterized in that: The top surfaces of the first pressing plate (2), the second pressing plate (3) and the third pressing plate (4) are all provided with waist holes, and a spring (9) is provided below. A clamping screw (10) passes through the waist holes and the spring (9) and is connected to the positioning shaft (11). The top of the clamping screw (10) is limited by a nut. A support rod (8) is provided below the outer ends of the first pressing plate (2), the second pressing plate (3) and the third pressing plate (4), and the bottom of the support rod (8) is fixedly connected to the positioning shaft (11).

4. A processing tool for a large-angle shell according to claim 3, characterized in that: The bottom surfaces of the first pressing plate (2), the second pressing plate (3) and the third pressing plate (4) are all provided with sliding grooves, and the top surface of the support rod (8) is provided with a sliding block, and the sliding block is arranged in the sliding groove.

5. The processing tool for a large-angle shell according to claim 1, characterized in that: The top surface of the inner end of the second pressing plate (3) is provided with a triangular protrusion, and the end surface is provided with a semicircular groove.

6. The processing tool for a large-angle shell according to claim 1, characterized in that: The stopper (5) is an L-plate, the bottom of which is fixedly connected to the positioning shaft (11), and the top of which is threaded with a clamping bolt (51).

7. The processing tool for a large-angle shell according to claim 1, characterized in that: A cushion block (13) fixedly connected to the positioning shaft (11) is provided on the outer periphery of the positioning block (12).

8. The processing tool for a large-angle shell according to claim 1, characterized in that: The base (1) is in the shape of an inverted truncated cone.

9. The processing tool for a large-angle shell according to claim 1, characterized in that: A lifting eye screw (15) is screwed onto the top surface of the positioning shaft (11).

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