Drilling, milling and boring integrated clamp for digital motor shell
By designing an integrated drilling, milling, and boring fixture for digital motor housings and employing hydraulic automatic clamping to combine multiple processes, the problems of low processing efficiency and difficulty in ensuring quality for digital motor housings have been solved, achieving efficient production and quality assurance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUXIN HONGSHENG MACHINERY MFG
- Filing Date
- 2025-04-18
- Publication Date
- 2026-05-19
AI Technical Summary
The machining of digital motor housings is difficult, and the existing manual clamping method with one person, one machine, and one process results in low production efficiency, high cost, and difficulty in guaranteeing quality.
Design a digital motor housing drilling, milling and boring integrated fixture, which adopts hydraulic automatic clamping, combines multiple processes into one, simplifies the structure, reduces the number of machine tools used and the number of clamping times, and places the oil circuit inside the base plate, eliminating the need for connecting pipelines.
It improves production efficiency, saves manpower and resources, ensures product quality, reduces bumps and knocks, occupies little space, and is easy to install and disassemble.
Smart Images

Figure CN224254727U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the mechanical manufacturing process equipment of the machinery industry, and specifically relates to an integrated drilling, milling and boring fixture for digital motor housing. Background Technology
[0002] Digital motor housings are crucial components in new energy vehicles. As thin-walled precision parts, they are challenging to manufacture and require highly skilled personnel and sophisticated equipment. Initially, to ensure product quality, the manufacturing process involved a single person, single piece of equipment, a single process, and manual clamping. This resulted in long processing cycles, high costs, and difficulty in guaranteeing product quality. Later, due to increased demand, the original manufacturing methods could no longer meet the supply requirements. Therefore, to increase production volume, reduce processing costs, and maintain product quality, the clamping equipment needed during manufacturing needed to be convenient, fast, and quality-assured. Summary of the Invention
[0003] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a digital motor housing drilling, milling and boring integrated fixture with simple structure, high production efficiency and guaranteed product quality.
[0004] The technical solution adopted by this novel approach to solve the technical problem is as follows: a digital motor housing drilling, milling, and boring integrated fixture includes a base plate, a vertical plate, an oil inlet, an oil outlet, a hydraulic rotary cylinder, and a hydraulic lever cylinder. Its features include: a first-stage station is located at the upper rear left side of the base plate; a second-stage station is located at the upper front left side of the base plate; two centering support sleeves are fixed side-by-side at the first-stage and first-stage two stations; three hydraulic lever cylinders are fixed in a triangular pattern around each centering support sleeve; a lever cylinder pressure plate is located above the hydraulic lever cylinders; elastic lateral locking posts and shape limiting blocks are located around the centering support sleeves; a second-stage station is located at the upper rear left side of the base plate; a second-stage station is located at the upper front left side of the base plate; and the second-stage station is located at the upper rear right side of the base plate. Three hydraulic lever cylinders are fixedly arranged in a triangular pattern at evenly spaced intervals. Support column 2, limit support column 3, and limit support column 4 are located inside the three hydraulic lever cylinders. A reference sleeve is fixedly installed at the midpoint between the first and second processes above the base plate. A vertical plate perpendicular to the base plate is fixedly installed above the right end of the base plate. A third process station 1 is located at the rear end of the inner side of the vertical plate, and a third process station 2 is located at the front end of the inner side of the vertical plate. Three hydraulic angle cylinders are fixedly arranged in a triangular pattern at evenly spaced intervals at the front and rear of the third process station 1 and the third process station 2. An angle cylinder pressure plate is located above the hydraulic angle cylinders. Limit support column 1, limit support column 2, and support column 1 are located on one side of the hydraulic angle cylinders. Four guide rods are evenly spaced along the upper edge of the vertical plate. Oil port 1 and oil port 2 are located on the front vertical surface of the vertical plate.
[0005] The beneficial effects of this utility model are as follows: The integrated drilling, milling, and boring fixture for digital motor housings replaces the manual clamping of the three processes (drilling, milling, and boring) with hydraulic automatic clamping, saving manpower and resources, improving efficiency, and ensuring product quality. It combines single-sequence single-clamping into multi-sequence single-clamping, reducing the number of machine tools used and the number of clamping operations, minimizing collisions during clamping, and ensuring precise product machining. Placing the hydraulic circuit within the base plate eliminates the need for connecting pipes between hydraulic cylinders, reducing wasted space in the fixture and facilitating installation and disassembly. The entire fixture has a simple, compact structure and occupies little space. Attached Figure Description
[0006] The following description, in conjunction with the accompanying drawings, illustrates specific embodiments.
[0007] Figure 1 This is a structural diagram of a digital motor housing drilling, milling, and boring integrated fixture.
[0008] Figure 2 yes Figure 1 A structural diagram of surface A of the workpiece.
[0009] Figure 3 yes Figure 1 Structure diagram of surface B of the workpiece.
[0010] In the diagram: 1 - Base plate; 1-1 - First process station 1; 1-2 - First process station 2; 1-3 - Second process station 1; 1-4 - Second process station 2; 2 - Vertical plate; 2-1 - Third process station 1; 2-2 - Third process station 2; 2-3 - Oil port 1; 2-4 - Oil port 2; 3 - Corner cylinder pressure plate; 4 - Limiting support column 1; 5 - Guide rod; 6 - Support column 1; 7 - Limiting support... Support column 2; 8 - Hydraulic angle cylinder; 9 - Support column 2; 10 - Limiting support column 3; 11 - Limiting support column 4; 12 - Lever cylinder pressure plate; 13 - Centering support sleeve; 14 - Elastic lateral clamping column; 15 - Outer shape limiting block; 16 - Hydraulic lever cylinder; 17 - Reference sleeve; 18 - Workpiece; 18-1 - Outer shape limiting point; 18-2 - First-order inner cavity centering hole; 18-3 - Second-order and third-order limiting holes. Detailed Implementation
[0011] Example, see attached document Figure 1The integrated drilling, milling, and boring fixture for digital motor housing has a first process station 1-1 located at the upper rear end of the left side of a rectangular base plate 1, and a first process station 1-2 located at the upper front end of the left side of the base plate 1. Two centering support sleeves 13 are fixed side-by-side at the first process station 1-1 and the first process station 1-2. Three hydraulic lever cylinders 16 are fixed in a triangular pattern around each centering support sleeve 13, and a lever cylinder pressure plate 12 is located above each hydraulic lever cylinder 16. An elastic lateral locking post 14 is located around the periphery of each centering support sleeve 13, and an external limiting block 15 is located above each elastic lateral locking post 14. A second process station 1-3 is located at the upper rear end of the middle of the base plate 1, and a second process station 1-4 is located at the front end of the middle of the base plate 1. Three hydraulic lever cylinders 16 are fixedly installed in a triangular formation at each of the second process station 1-3 and the second process station 1-4. A support column 2 9 is installed inside one of the hydraulic lever cylinders 16, and limiting support columns 3 10 and 4 11 are installed inside the other two hydraulic lever cylinders 16, respectively. A reference sleeve 17 is fixedly installed above the base plate 1 at the midpoint between the first and second processes. A vertical plate 2, perpendicular to the base plate 1, is fixedly installed above the right end of the base plate 1. A third process station 2-1 is located at the rear end of the inner side of the vertical plate 2, and a third process station 2-2 is located at the front end of the inner side of the vertical plate 2. Three hydraulic angle cylinders 8 are fixedly installed in a triangular pattern at equal intervals at the front and back of stations 2-1 and 2-2 of the third process. An angle cylinder pressure plate 3 is installed above each hydraulic angle cylinder 8. A support column 6 is installed on one side of one of the hydraulic angle cylinders 8, and limiting support columns 4 and 7 are installed on one side of the other two hydraulic angle cylinders 8. Four guide rods 5 are evenly spaced along the upper edge of the vertical plate 2. Oil ports 2-3 and 2-4 are installed on the front surface of the vertical plate 2, connecting the oil passages in the base plate 1 and the vertical plate 2. The oil passages in the base plate 1 connect to the inlet and outlet oil passages of the hydraulic lever cylinders 16 at stations 1-1 and 2-2 of the first process, and the oil passages in the vertical plate 2 connect to the inlet and outlet oil passages of the hydraulic angle cylinders 8 at stations 2-1 and 2-2 of the third process. (See attached diagram) Figure 2 , 3 The workpiece 18 has an A-side including an inner cavity centering hole 18-2 that mates with the centering support sleeve 13 in the first process, and an outer shape limiting point 18-1 that mates with the outer shape limiting block. The workpiece 18 has a B-side including second-order and third-order limiting holes 18-3, identical to those on the A-side. In the second and third processes, the second-order and third-order limiting holes 18-3 on the A-side are processed by being pressed by the lever cylinder pressure plate 12 and the corner cylinder pressure plate 3 on the hydraulic lever cylinder 16 and the hydraulic angle cylinder 8. The B-side of the workpiece 18 is pressed by the lever cylinder pressure plate 12 on the hydraulic lever cylinder 16 in the first process.
[0012] The working process of this utility model is as follows: The first step in processing the digital motor housing is to lower the workpiece 18 with its A-side facing the centering support sleeve 13, rotate the workpiece 18 so that the workpiece's outer shape limiting point 18-1 is tightly against the outer shape limiting block 15, and allow the first-order inner cavity centering hole 18-2 to pass through the centering support sleeve 13. The other side of the outer shape is clamped by the elastic side clamping post 14, and the edge of the workpiece 18 is pressed with the lever cylinder pressure plate 12, allowing drilling, milling, and drilling of the second and third order limiting holes 18-3, etc. The workpiece 18 with its B-side facing the support post 9 is lowered, and the second and third order limiting holes 18-3 are inserted into the two limiting support posts 10 and 11. The hydraulic lever cylinder pressure plate 12 presses the edge of the A-side of the workpiece 18, processing various parts inside the cavity of the workpiece 18. The third step involves lowering workpiece 18 with its B-side facing down onto support column 6. The guide rod 5 passes through the second and third sequence limiting holes 18-3 into limiting support columns 4 and 7. The corner cylinder pressure plate 3 then presses down on the edge of workpiece 18's A-side, machining the various parts of the side windows. Hydraulic oil enters through port 2-3 and exits through port 2-4 during the machining process.
Claims
1. A digital motor housing drilling, milling, and boring integrated fixture, comprising a base plate (1), a vertical plate (2), an oil inlet, an oil outlet, a hydraulic rotary cylinder (8), and a hydraulic lever cylinder (16), characterized in that, A first process station (1-1) is set at the upper rear end of the left side of the base plate (1), and a first process station (1-2) is set at the upper front end of the left side of the base plate (1). Two centering support sleeves (13) are fixed side by side at the first process station (1-1) and the first process station (1-2). Three hydraulic lever cylinders (16) are fixed in a triangular pattern around each centering support sleeve (13). A lever cylinder pressure plate (12) is set above the hydraulic lever cylinder (16). An elastic lateral locking post (14) and an outer shape limiting block (15) are set around the centering support sleeve (13). A second process station (1-3) is set at the upper rear end of the middle of the base plate (1), and a second process station (1-4) is set at the upper front end of the middle of the base plate (1). Three hydraulic lever cylinders (16) are fixed in a triangular pattern around the second process station (1-3) and the second process station (1-4). A support is set inside the three hydraulic lever cylinders (16). Column 2 (9), limiting support column 3 (10), limiting support column 4 (11), a reference sleeve (17) is fixedly provided at the middle of the first and second processes above the base plate (1), a vertical plate (2) perpendicular to the base plate is fixedly provided above the right end of the base plate (1), a third process first station (2-1) is provided at the rear end of the inner side of the vertical plate (2), a third process second station (2-2) is provided at the front end of the inner side of the vertical plate (2), and a third process first station (2-2) is provided at the third process first station (2-1). -1) and the second work station of the third process (2-2) are respectively fixed in a triangular shape at equal distances. A corner cylinder pressure plate (3) is set above the hydraulic corner cylinder (8). A limiting support column one (4), a limiting support column two (7) and a support column one (6) are set on one side of the hydraulic corner cylinder (8). Four guide rods (5) are evenly spaced at the upper edge of the vertical plate (2). Oil port one (2-3) and oil port two (2-4) are set on the front vertical surface of the vertical plate (2).