Variable displacement piston ball socket milling tool

Abstract

The utility model relates to the technical field of piston machining, in particular to a variable displacement piston ball socket milling tool which is characterized in that when the variable displacement piston ball socket milling tool is used, a main shaft connecting disc is connected with a main shaft, a workpiece is placed on a positioning assembly, a first pressing plate assembly is operated to press the outer side wall of the workpiece, and then a second pressing plate assembly is operated to press the top end of the workpiece; therefore, the clamping of the workpiece is completed, the clamping precision is improved, and the subsequent milling precision is improved; comprising a main shaft connecting disc and a shell, the main shaft connecting disc is arranged at the left end of the shell, the device further comprises a positioning assembly, a first pressing plate assembly and a second pressing plate assembly, the positioning assembly is arranged at the right end of the shell, the first pressing plate assembly and the second pressing plate assembly are arranged on the shell, and the positioning assembly is used for positioning a workpiece. The first pressing plate assembly fixes the side wall of a workpiece, and the second pressing plate assembly fixes the top end of the workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of piston processing, in particular to variable displacement piston ball socket frock. BACKGROUND

[0002] Variable displacement piston ball socket frock is frock equipment specially designed for processing ball socket part of variable displacement hollow piston of automobile air conditioner compressor, and main function is clamping positioning to facilitate accurate ball socket milling processing on numerical control machine tool, and its purpose lies in improving production efficiency, reducing labor intensity, and ensuring stability of product size and processing precision.

[0003] In prior art, workers need to operate manual frock to clamp workpiece after placing workpiece, and clamping precision is low, which influences subsequent processing accuracy. UTILITY MODEL CONTENTS

[0004] To solve above technical problem, the utility model provides a variable displacement piston ball socket frock.

[0005] The utility model discloses a variable displacement piston ball socket frock, including main shaft connecting disc and casing, the left end of casing is provided with main shaft connecting disc, still including positioning assembly, no.

[0006] Preferably, the positioning assembly includes a positioning block, a support plate, a lead screw, a nut, and a support block. The positioning block is installed at the right end of the casing. The bottom end of the positioning block is provided with a support plate. The right end of the positioning block is provided with a V-shaped groove. A group of lead screws are screwed through the support plate. The top end of the lead screw is provided with a support block. The nut is threadedly connected with the lead screw below the support plate. According to the height of the workpiece, the lead screw is rotated to adjust the height of the support block. Then the nut is rotated to tightly press the bottom end of the support plate with the top end of the nut. The lead screw is locked. Then the workpiece is placed above the support block while the V-shaped groove positions the workpiece, thereby completing the positioning and placement of the workpiece.

[0007] Preferably, the first pressing plate assembly comprises a hydraulic cylinder and a first pressing plate, two groups of hydraulic cylinders are arranged in the shell, the right moving ends of the two groups of hydraulic cylinders are connected with the left end of the first pressing plate, and the left end of the first pressing plate is provided with a clamping groove; when the workpiece is placed on the supporting block and positioned through the V-shaped groove, the two groups of hydraulic cylinders are operated to be shortened, so that the first pressing plate is tightly fixed to the outer side wall of the workpiece through the clamping groove, and the firmness is improved.

[0008] Preferably, the second pressing plate assembly comprises a cylinder, a moving rod, a T-shaped seat, a connecting rod, a second pressing plate and a pressing block, the cylinder is arranged in the shell, the right moving end of the cylinder is provided with the moving rod, the right end of the moving rod is hinged with the left top end of the second pressing plate, the T-shaped seat is installed at the right end of the shell, the right end of the T-shaped seat is hinged with the left end of the connecting rod, the right end of the connecting rod is hinged with the left bottom end of the second pressing plate, and the bottom end of the second pressing plate is provided with the pressing block; the cylinder is operated to be elongated, so that the moving rod drives the second pressing plate and the pressing block to tightly fix the top end of the workpiece under the cooperation of the T-shaped seat and the connecting rod, and the firmness of machining is improved.

[0009] Preferably, the clamping groove is provided with a non-slip pad; the clamping groove on the first pressing plate is tightly fixed to the outer side wall of the workpiece under the cooperation of the non-slip pad, and the clamping firmness is improved.

[0010] Compared with the prior art, the beneficial effects of the utility model are that: when in use, the main shaft connecting disc is connected with the main shaft, the workpiece is placed on the positioning assembly, the outer side wall of the workpiece is tightly pressed by operating the first pressing plate assembly, then the top end of the workpiece is tightly pressed by operating the second pressing plate assembly, so that the clamping of the workpiece is completed, the clamping precision is improved, and the subsequent milling precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the axonometric structure schematic view of the utility model;

[0012] Figure 2 is the explosion structure schematic view of the utility model;

[0013] Figure 3 is the enlarged structure schematic view of the positioning block and the supporting plate and the like structure;

[0014] Figure 4 is the enlarged structure schematic view of the cylinder and the pressing block and the like structure;

[0015] Figure 5 is the enlarged structure schematic view of the non-slip pad and the first pressing plate structure.

[0016] Marked in the drawing: 1, main shaft connecting disc; 2, shell; 3, positioning block; 4, support plate; 5, lead screw; 6, nut; 7, support block; 8, hydraulic cylinder; 9, No. 1 pressing plate; 10, air cylinder; 11, moving rod; 12, T-shaped seat; 13, connecting rod; 14, No. 2 pressing plate; 15, pressing block; 16, non-slip pad; 17, workpiece. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0018] Example 1

[0019] As Figures 1 to 5 shown, the variable displacement piston ball socket tool of the present application, including main shaft connecting disc 1 and shell 2, the left end of shell 2 is provided with main shaft connecting disc 1, further including positioning assembly, No. 1 pressing plate assembly and No. 2 pressing plate assembly, the right end of shell 2 is provided with positioning assembly, No. 1 pressing plate assembly and No. 2 pressing plate assembly are respectively arranged on shell 2, positioning assembly is used for positioning workpiece 17, No. 1 pressing plate assembly fixes the side wall of workpiece 17, No. 2 pressing plate assembly fixes the top end of workpiece 17;

[0020] As Figure 2 and Figure 3 shown, the positioning assembly includes positioning block 3, support plate 4, lead screw 5, nut 6 and support block 7, the positioning block 3 is installed at the right end of the shell 2, the bottom end of the positioning block 3 is provided with the support plate 4, the right end of the positioning block 3 is provided with a V-shaped groove, a group of lead screws 5 are screwed through the support plate 4, the top end of the lead screw 5 is provided with the support block 7, and the nut 6 is threadedly connected with the lead screw 5 below the support plate 4;

[0021] As Figure 2 and Figure 5 shown, the No. 1 pressing plate assembly includes hydraulic cylinder 8 and No. 1 pressing plate 9, two groups of hydraulic cylinders 8 are arranged in the shell 2, the right moving end of the two groups of hydraulic cylinders 8 is connected with the left end of the No. 1 pressing plate 9, and the left end of the No. 1 pressing plate 9 is provided with a clamping groove.

[0022] In this embodiment, according to the height of the workpiece 17, the lead screw 5 is rotated, so that the lead screw 5 adjusts the height of the support block 7, then the nut 6 is rotated, the top end of the nut 6 is tightly pressed against the bottom end of the support plate 4, the lead screw 5 is locked, then the workpiece 17 is placed above the support block 7 while the V-shaped groove positions the workpiece 17, two groups of hydraulic cylinders 8 are operated to shorten, so that the No. 1 pressing plate 9 tightly fixes the outer side wall of the workpiece 17 through the clamping groove, then the No. 2 pressing plate assembly is operated to tightly press the top end of the workpiece 17, so that the clamping of the workpiece 17 is completed.

[0023] Embodiment 2

[0024] As Figures 1 to 5 shown, the variable displacement piston ball socket tool of the utility model, including main shaft connecting disc 1 and casing 2, casing 2 left end is provided with main shaft connecting disc 1, still including positioning assembly, one pressing plate assembly and no. 2 pressing plate assembly, the right end of casing 2 is provided with positioning assembly, one pressing plate assembly and no. 2 pressing plate assembly are arranged respectively on casing 2, positioning assembly is used for the positioning of workpiece 17, one pressing plate assembly is fixed to the side wall of workpiece 17, no. 2 pressing plate assembly is fixed to the top end of workpiece 17;

[0025] As Figure 2 and Figure 3 shown, positioning assembly includes locating block 3, support plate 4, lead screw 5, nut 6 and support block 7, locating block 3 is installed in the right end of casing 2, and the bottom end of locating block 3 is provided with support plate 4, the right end of locating block 3 is provided with V-shaped groove, a group of lead screw 5 is screwed through support plate 4, and support block 7 is arranged at the top end of lead screw 5, and nut 6 is threadedly connected with lead screw 5 below support plate 4;

[0026] As Figure 2 and Figure 5 shown, one pressing plate assembly includes hydraulic cylinder 8 and one pressing plate 9, two groups of hydraulic cylinders 8 are arranged in the inside of casing 2, and the right moving end of the two groups of hydraulic cylinders 8 is connected with the left end of one pressing plate 9, and the left end of one pressing plate 9 is provided with a clamping groove;

[0027] As Figure 2 and Figure 4 shown, no. 2 pressing plate assembly includes air cylinder 10, moving rod 11, T-shaped seat 12, connecting rod 13, no. 2 pressing plate 14 and pressing block 15, air cylinder 10 is arranged in the inside of casing 2, the right moving end of air cylinder 10 is provided with moving rod 11, the right end of moving rod 11 is hingedly connected with the left top end of no. 2 pressing plate 14, T-shaped seat 12 is installed in the right end of casing 2, the right end of T-shaped seat 12 is hingedly connected with the left end of connecting rod 13, the right end of connecting rod 13 is hingedly connected with the left bottom end of no. 2 pressing plate 14, and the bottom end of no. 2 pressing plate 14 is provided with pressing block 15;

[0028] Further including non-slip mat 16, the clamping groove is provided with non-slip mat 16.

[0029] In this embodiment, according to the height of the workpiece 17, the lead screw 5 is rotated, so that the lead screw 5 adjusts the height of the support block 7, then the nut 6 is rotated, so that the top end of the nut 6 tightly abuts against the bottom end of the support plate 4, the lead screw 5 is locked, then the workpiece 17 is placed above the support block 7 while the V-shaped groove positions the workpiece 17, two groups of hydraulic cylinders 8 are operated to be shortened, so that the first pressing plate 9 tightly fixes the outer side wall of the workpiece 17 through the clamping groove and the non-slip pad 16, the cylinder 10 is operated to be lengthened, so that the moving rod 11 makes the second pressing plate 14 drive the pressing block 15 to tightly fix the top end of the workpiece 17 under the cooperation of the T-shaped seat 12 and the connecting rod 13, so that the clamping of the workpiece 17 is completed.

[0030] The hydraulic cylinder 8 and the cylinder 10 of the variable displacement piston ball and socket milling tool of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0031] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A variable displacement piston ball mill pocket tooling, comprising a spindle connecting disc (1) and a shell (2), the left end of the shell (2) is provided with the spindle connecting disc (1), characterized in that, It also includes a positioning assembly, a first pressing plate assembly and a second pressing plate assembly, the right end of the shell (2) is provided with a positioning assembly, the shell (2) is respectively provided with a first pressing plate assembly and a second pressing plate assembly, the positioning assembly is used for positioning the workpiece (17), the first pressing plate assembly is used for fixing the side wall of the workpiece (17), and the second pressing plate assembly is used for fixing the top end of the workpiece (17).

2. The variable-displacement, piston-milling ball socket fixture of claim 1, wherein, The positioning assembly comprises a positioning block (3), a supporting plate (4), a lead screw (5), a nut (6) and a supporting block (7), the positioning block (3) is installed at the right end of the shell (2), the bottom end of the positioning block (3) is provided with the supporting plate (4), the right end of the positioning block (3) is provided with a V-shaped groove, a group of lead screws (5) are screwed through the supporting plate (4), the top end of the lead screw (5) is provided with the supporting block (7), and the nut (6) is threadedly connected with the lead screw (5) below the supporting plate (4).

3. The variable-displacement, piston-milling-bore pocket tooling of claim 1, wherein, The first pressing plate assembly comprises a hydraulic cylinder (8) and a first pressing plate (9), the inside of the shell (2) is provided with two groups of hydraulic cylinders (8), the right moving end of the two groups of hydraulic cylinders (8) is connected with the left end of the first pressing plate (9), and the left end of the first pressing plate (9) is provided with a clamping groove.

4. The variable-displacement, piston-milling-bore pocket tooling of claim 1, wherein, The second pressing plate assembly comprises a pneumatic cylinder (10), a moving rod (11), a T-shaped seat (12), a connecting rod (13), a second pressing plate (14) and a pressing block (15), the inside of the shell (2) is provided with the pneumatic cylinder (10), the right moving end of the pneumatic cylinder (10) is provided with the moving rod (11), the right end of the moving rod (11) is hingedly connected with the left top end of the second pressing plate (14), the T-shaped seat (12) is installed at the right end of the shell (2), the right end of the T-shaped seat (12) is hingedly connected with the left end of the connecting rod (13), the right end of the connecting rod (13) is hingedly connected with the left bottom end of the second pressing plate (14), and the bottom end of the second pressing plate (14) is installed with the pressing block (15).

5. The variable-displacement, piston-milling ball socket fixture of claim 3, wherein, The clamping groove is provided with the anti-skid pad (16).

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