Group electric machining device applied to linear grooves of screw parts of gyrometers

Abstract

The utility model belongs to the technical field of machining, and relates to a group electric machining device applied to linear grooves of screw parts of gyrometers. The device comprises a positioning block, a fastening screw and a retainer, array threaded holes are formed in the upper end face of the positioning block; an array of V-shaped grooves are formed in the side of the positioning block, the V-shaped grooves are through grooves, each V-shaped groove is in one-to-one correspondence with one row of threaded holes and is communicated with the corresponding row of threaded holes, the sharp corners of the V-shaped grooves point to the direction away from the corresponding row of threaded holes, and a straight groove is formed in the fastening screw; the fastening screws are in threaded connection with the array threaded holes of the positioning block, and the fastening screws extending out of the array threaded holes are tightly attached to the surface of a sample piece and are fastened and pressed; and the positioning block is fixed on the retainer.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, and relates to a group electrical discharge machining device for slotted screw parts for gyroscope accelerators. Background Technology

[0002] Screws are fundamental components of gyroscope accelerator clock movements. They are diverse and numerous, primarily characterized by a slotted groove on the screw head. The wire EDM machining of this slotted groove restricts on-site production efficiency. When production batches are large, clamping, alignment, and machining all need to be repeated, making it difficult to guarantee the dimensional consistency of the slotted groove. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by designing and manufacturing a group electrical discharge machining (EDM) device for slotted screw parts in gyroscope accelerators. A group of screws is placed in the V-groove of a positioning block, and a fastening screw is screwed into the array of threaded holes in the positioning block, contacting and pressing the screws together. The positioning block containing the screws is then fitted with a cage with a clearance fit, using pins for positioning and an interference fit to form the group EDM device, which is then clamped onto a machine tool processing platform. The entire process of clamping and positioning is convenient and quick, enabling the group clamping and EDM of slotted screw parts in gyroscope accelerators.

[0004] The technical solution of this utility model is:

[0005] A group electrical discharge machining (EDM) device is provided for slotted parts such as gyroscope accelerator screws, including a positioning block, a fastening screw, and a retainer;

[0006] The upper surface of the positioning block has an array of threaded holes; the side of the positioning block has an array of V-shaped grooves, the V-shaped grooves are through grooves, each V-shaped groove corresponds to and is connected to a row of threaded holes, the sharp corner of the V-shaped groove points away from the corresponding row of threaded holes, the fastening screw has a slot; the fastening screw is threaded to the array of threaded holes of the positioning block, and the fastening screw extending out of the array of threaded holes is pressed against the surface of the sample to tighten it.

[0007] The positioning block is fixed to the cage.

[0008] Furthermore, the V-groove provides quick support and centering for a group of screws, improving the machining efficiency of slotted grooves.

[0009] Furthermore, the cage has a U-shaped groove that fits with the positioning block with a clearance.

[0010] Furthermore, the device also includes: a pin;

[0011] The positioning block has positioning holes on both sides, which are interference fit with the pins, and each positioning hole is also connected to a corresponding row of threaded holes.

[0012] The fastening screws are connected to the first and last two rows of threaded holes of the positioning block by threads. The fastening screws extending out of the threaded holes are pressed against the surface of the pins to tighten them.

[0013] Furthermore, the retainer and the positioning block are fitted with a clearance.

[0014] Furthermore, the pin is interference-fitted with the positioning hole of the positioning block and the cage to ensure that the positioning block is horizontal.

[0015] Beneficial effects:

[0016] This processing device is convenient and quick to clamp and position, enabling the assembly, clamping, and electrical discharge machining of slotted screw parts for gyroscope machining. It is also applicable to the machining of slotted screws of different lengths and types, and can quickly achieve lean improvements on the production site. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a group electrical discharge machining (EDM) unit.

[0018] Figure 2 This is a schematic diagram of the positioning block;

[0019] Figure 3 This is a schematic diagram of a fastening screw;

[0020] Figure 4 Schematic diagram of the cage;

[0021] Figure 5 Diagram of the pin;

[0022] Figure 6 This is a schematic diagram of the sample.

[0023] Figure description: 1-Locking block, 2-Fasting screw, 3-Cage, 4-Pin, 5-Sample. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0025] Screws are fundamental components of gyroscope accelerator clock movements. They are diverse and numerous, primarily characterized by a slotted groove on the screw head. The wire EDM machining of this slotted groove restricts on-site production efficiency. When production batches are large, clamping, alignment, and machining all need to be repeated, making it difficult to guarantee the dimensional consistency of the slotted groove.

[0026] like Figure 1-5 As shown, a group electrical discharge machining (EDM) device for slotted screw parts of gyroscopes includes a positioning block 1, a fastening screw 2, a retainer 3, and a pin 4.

[0027] The upper end face of the positioning block has an array of threaded holes; the positioning block has an array of V-grooves; the fastening screw has a slot; the fastening screw is threadedly connected to the array of threaded holes of the positioning block and is tightly fitted to the sample. Figure 6 ) Surface, tighten and press firmly;

[0028] The retainer is a U-shaped groove that fits with the positioning block with a clearance; the positioning block has positioning holes on both sides that fit with the pins with an interference fit.

[0029] The positioning block 1 has an array of V-shaped grooves. The V-shaped grooves provide quick support and centering for a group of screws, improving the machining efficiency of slotted grooves;

[0030] The upper end face of the positioning block 1 has a rectangular array of threaded holes, which can accommodate screws of different lengths for fastening.

[0031] The positioning block 1, fastening screw 2, retainer 3, and pin 4 are made of tin bronze wear-resistant material.

[0032] The cage 3 is clearance-fitted with the positioning block, which can reduce the direct clamping of the positioning block on the machine tool and extend the working life of the positioning block;

[0033] The pin 4 is interference-fitted with the positioning holes of the positioning block 1 and the retainer 2 to ensure that the positioning block is horizontal.

[0034] Example

[0035] A modular electrical discharge machining (EDM) device is provided for slotted parts such as gyroscope accelerator screws, including a positioning block 1, a fastening screw 2, a retainer 3, and a pin 4.

[0036] The upper end face of the positioning block has an array of threaded holes; the positioning block has an array of V-shaped grooves; the fastening screw has a slot; the fastening screw is threadedly connected to the array of threaded holes of the positioning block and is pressed tightly against the surface of the sample.

[0037] The retainer is a U-shaped groove that fits with the positioning block with a clearance; the positioning block has positioning holes on both sides that fit with the pins with an interference fit.

[0038] The positioning block 1 has an array of V-shaped grooves. The V-shaped grooves provide quick support and centering for a group of screws, improving the machining efficiency of slotted grooves;

[0039] The upper end face of the positioning block 1 has a rectangular array of threaded holes, which can accommodate screws of different lengths for fastening.

[0040] The positioning block 1, fastening screw 2, retainer 3, and pin 4 are made of tin bronze wear-resistant material.

[0041] The cage 3 is clearance-fitted with the positioning block, which can reduce the direct clamping of the positioning block on the machine tool and extend the working life of the positioning block;

[0042] The pin 4 is interference-fitted with the positioning holes of the positioning block 1 and the retainer 3 to ensure that the positioning block is horizontal.

[0043] In use, a set of screws is placed in the V-groove of the positioning block, and the fastening screws are screwed into the array of threaded holes of the positioning block to contact and press them together. The positioning block with screws is then fitted with the cage with a clearance fit, using pins for positioning and interference fit to form a group of EDM devices, which are then clamped on the machine tool processing platform. The entire process of clamping and positioning is convenient and quick, realizing the group clamping and EDM of slotted screw parts for gyroscope machining.

Claims

1. A group electrical discharge machining (EDM) device for slotted screw parts used in gyroscope accelerators, characterized in that: The device includes a positioning block (1), a fastening screw (2), and a retainer (3); The upper end face of the positioning block is provided with an array of threaded holes; the side of the positioning block is provided with an array of V-shaped grooves, the V-shaped grooves are through grooves, each V-shaped groove corresponds to and is connected to a row of threaded holes, the sharp corner of the V-shaped groove points away from the corresponding row of threaded holes, the fastening screw is provided with a slotted groove; the fastening screw is connected to the array of threaded holes of the positioning block by threads, the fastening screw extending out of the array of threaded holes is pressed against the surface of the sample (5) to fasten and press tightly; The positioning block is fixed to the cage.

2. The apparatus according to claim 1, characterized in that, V-grooves provide quick support and centering for a group of screws, improving the machining efficiency of slotted grooves.

3. The apparatus according to claim 1, characterized in that, The cage has a U-shaped groove that fits with the positioning block with a clearance.

4. The apparatus according to claim 1, characterized in that, The device further includes: a pin (4); The positioning block has positioning holes on both sides, which are interference fit with the pins, and each positioning hole is also connected to a corresponding row of threaded holes. The fastening screws are connected to the first and last two rows of threaded holes of the positioning block by threads. The fastening screws extending out of the threaded holes are pressed against the surface of the pins to tighten them.

5. The apparatus according to claim 2, characterized in that, The retainer (3) is fitted with the positioning block with a clearance.

6. The apparatus according to claim 4, characterized in that, The pin (4) is interference-fitted with the positioning hole of the positioning block (1) and the retainer (3) to ensure that the positioning block is horizontal.

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