CN216607547U - A Throttle Disc EDM Adjustable Fixture - Google Patents

Abstract

The utility model discloses an adjustable fixture for electric spark machining of a throttle valve disc, which belongs to the field of part machining and fixing and is technically characterized by comprising the following components in parts: including base, carousel, centering mechanism, adjustment mechanism, the little pole of magnet, the carousel sets up on the base, be provided with the blind hole with the little pole adaptation of magnet on the carousel, the little pole of magnet is installed in the blind hole, carousel central point put set up with the through-hole of centering mechanism adaptation, centering mechanism installs in the through-hole, centering mechanism with the carousel is with the axle center, the outer circumference of carousel sets up the scale, can realize accurate quick location, the centering of choke valve disk piece in the spark-erosion machining in-process, can realize actions such as rotation by a wide margin, fine setting of choke valve disk piece as required.

Description

An adjustable clamp for electric discharge machining of a throttle disc

technical field

The utility model relates to the field of machining and fixing of parts, in particular to an adjustable clamp for electric spark machining of a throttle disc.

Background technique

The applicant previously applied for "CN210208963U A fixing device for preventing the processing deformation of the throttle valve plate". The fixing device disclosed in the above patent is to use the milling machine processing method to process the throttle valve plate, which uses an integral tool for processing and fixing. The device cannot be rotated, and it is not suitable for EDM. Therefore, EDM is considered for processing, and a throttle disc clamp suitable for EDM needs to be designed to center the throttle disc. , positioning, rotation, etc., use a single-slot tool for processing to realize the sequential processing of a single slot of the throttle disc.

Utility model content

The purpose of this utility model is to provide an adjustable clamp for electric spark machining of a throttle disc, which is suitable for EDM, and the throttle disc can realize large rotation, fine adjustment, etc. during the machining process, and it is convenient to save The flow valve disc is precisely positioned and centered.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

An adjustable clamp for electric discharge machining of a throttle disc, comprising a base, a turntable, a centering mechanism, an adjustment mechanism, and a small round magnet bar, characterized in that the turntable is arranged on the base, and the turntable is arranged on the There is a blind hole adapted to the magnet small round bar, the magnet small round bar is installed in the blind hole, the center of the turntable is provided with a through hole adapted to the centering mechanism, and the centering mechanism is installed In the through hole, the centering mechanism is coaxial with the turntable, the outer circumference of the turntable is provided with a scale, and the adjustment mechanism is provided on the base.

Further, it also includes an indexing fixture, the turntable includes a blind hole ring layer and an indexing fixture ring layer, the blind holes are opened in the blind hole ring layer, the indexing fixture ring layer is slotted, and the indexing fixture ring layer is provided with grooves. A clamp is installed in the slot, and the indexing clamp is provided with a hole.

Further, the number of the magnet small round bars is more than two.

Further, the centering mechanism includes an upper cylinder and a lower cylinder, the diameter of the upper cylinder is larger than the diameter of the lower cylinder, the diameter of the lower cylinder is adapted to the through hole, and the lower cylinder is installed in the through hole.

Further, the adjustment mechanism includes a fixed seat, a thimble, a knob, a blocking rod, and a fine-tuning screw, the blocking rod has an internal thread inside, the thimble has a screw rod matched with the internal thread, and the thimble can be in the block The inner thread of the rod rotates, the fixed seat is installed on the base, the fine adjustment screw is installed on the fixed seat, the thimble passes through the hole opened on the indexing fixture, and the blocking rod is fixedly installed on the On the indexing fixture, the ejector pin is fixedly connected with the knob.

Further, a long groove is formed on the fixing seat, and the thimble is provided with the long groove.

Further, the fine adjustment screw has a scale.

The beneficial effects of this application are:

This application proposes an adjustable clamp for EDM of a throttle disc, which can realize accurate and rapid positioning and centering of the throttle disc during the EDM process, and can realize a large size of the throttle disc according to requirements. Rotation, fine-tuning, etc.

Description of drawings

The present utility model will be further described in detail below with reference to the embodiments in the accompanying drawings, but it does not constitute any limitation to the present utility model.

Fig. 1 is the schematic diagram after the adjustable clamp is installed on the throttle disc;

Fig. 2 is a schematic diagram of an indexing fixture, a small round magnet bar, and a centering mechanism;

Figure 3 is a schematic diagram of the base and the adjustment mechanism;

Fig. 4 is the schematic diagram after the adjustment mechanism removes the fixed seat;

Fig. 5 is a schematic diagram of an adjustable clamp for EDM of a throttle disc;

Fig. 6 is the schematic diagram of the turntable;

FIG. 7 is another perspective view of the turntable.

The reference numerals are explained as follows:

1. Base; 2. Throttle valve disc; 3. Centering mechanism; 4. Turntable; 5. Fixed seat; 6. Fine adjustment screw; 7. Knob; 11. Thimble; 12. Slot; 13. Through hole; 14. Blind hole; 15. Indexing fixture ring; 16. Blind hole ring; 17. Hole; 18. Long slot.

Detailed ways

As shown in Figures 1-7, an adjustable clamp for EDM of a throttle disc includes a base 1, a turntable 4, a centering mechanism 3, an adjustment mechanism, and a small round magnet bar 8. The turntable 4 is arranged on the On the base 1, the turntable 4 can be rotated on the base 1, and the turntable 4 is provided with a blind hole 14 adapted to the magnet small round bar 8, and the magnet small round bar 8 is installed on the said base 1. In the blind hole 14 , a through hole 13 adapted to the centering mechanism 3 is provided at the center of the turntable 4 , the centering mechanism 3 is installed in the through hole 13 , and the centering mechanism 3 is connected to the centering mechanism 3 . The turntable 4 is coaxial, the outer circumference of the turntable 4 is provided with a scale, and the adjustment mechanism is provided on the base 1 .

An adjustable clamp for EDM of a throttle disc, further comprising an indexing clamp 9, the turntable 4 includes a blind hole ring layer 16 and an indexing clamp ring layer 15, the blind hole 14 is opened in the blind hole The ring layer 16, the indexing fixture ring layer 15 has a slot, the indexing fixture 9 is installed in the groove 12, the indexing fixture 9 is provided with a hole, and the adjustment mechanism includes a fixed seat 5 and a thimble 11. , knob 7, blocking rod 10, fine-tuning screw 6, the blocking rod 10 has an internal thread inside, the ejector pin 11 has a screw rod that cooperates with the internal thread, and the ejector pin 11 can rotate in the internal thread of the blocking rod 10 , the fixed seat 5 is installed on the base 1, the fine adjustment screw 6 is installed on the fixed seat 5, the thimble 11 passes through the hole 17 opened on the indexing fixture 9, the blocking rod 10 is fixedly installed on the indexing fixture 9, the ejector pin 11 is fixedly connected with the knob 7, and the knob 7 can rotate the ejector pin 11 clockwise and counterclockwise, so that the ejector pin can move back and forth in the blocking rod 10 .

The centering mechanism 3 includes an upper cylinder and a lower cylinder, the diameter of the upper cylinder is larger than the diameter of the lower cylinder, the diameter of the lower cylinder is adapted to the through hole 13, and the lower cylinder is installed in the through hole 13 .

A long groove 18 is provided on the fixed seat 5, and the ejector pin 11 transmits the long slot 18. The ejector pin 11 can move slightly left and right in the long slot 18. When it is necessary to fine-tune the turntable, rotate the fine-tuning screw 6 to fine-tune the screw. 6. The blocking rod 10 can be pushed to perform small movements, so that the ejector pin 11 follows the blocking rod 10 to perform small movements, and the movement of the blocking rod 10 drives the small rotation of the indexing fixture 9 and the turntable 4, thereby realizing fine adjustment.

Working principle: There is a hole in the middle of the throttle disc 2, the large cylinder of the centering mechanism 3 is matched with the hole of the throttle disc 2, and the throttle disc 2 can be sleeved on the large cylinder. On the cylindrical body, the centering and positioning of the throttle disc 2 is realized, and the concentricity with the turntable 4 is realized. In addition, the magnet small round bar 8 installed in the blind hole 14 attracts the joint through the attraction force. The throttle disc 2 is clamped and fixed on the turntable 4, and the detachable positioning of the throttle disc 2 is realized by the setting of the centering mechanism 3 and the magnet small round bar 8. , centered on the turntable 4 and can follow the turntable 4 to rotate. After EDM machining a single groove on the throttle disc 2, manually loosen the knob 7 so that the ejector pin 11 is disconnected from the groove 12. At this time, the rotary disc 4 is manually rotated, and the throttle disc can follow The turntable 4 is rotated and manually rotated to the next position to be processed. At this time, the knob 7 is manually tightened, and the ejector pin 11 follows the rotation of the knob 7 and then moves forward. When the bottom surface of the groove 12 is reached, the turntable 4 cannot rotate at this time, continue to fine-tune the turntable, and manually rotate the fine-tuning screw 6. Since the fine-tuning screw 6 abuts the blocking rod 10, under the push of the fine-tuning screw 6 , the blocking rod 10 can move slightly left and right, so that the turntable 4 follows the blocking rod 10 to perform small rotation adjustment, that is, fine-tuning, and scales are set on the rotary table 4 and the fine-tuning screw 6, which further improves the adjustment accuracy.

The above-mentioned embodiments are the preferred embodiments of the present invention, and are only used to facilitate the description of the present invention, and are not intended to limit the present invention in any form. Within the scope of the technical features mentioned in the utility model, the equivalent embodiments that utilize the technical contents disclosed in the present utility model to make partial changes or modifications, and do not depart from the technical feature contents of the present utility model, still belong to the technical features of the present utility model. In the range.

Claims (7)

1. An adjustable clamp for EDM of a throttle disc, comprising a base, a turntable, a centering mechanism, an adjustment mechanism, and a small round magnet bar, wherein the turntable is arranged on the base, and the turntable is arranged on the base. A blind hole adapted to the magnet small round bar is arranged on the upper part of the device, the magnet small round bar is installed in the blind hole, and the center position of the turntable is provided with a through hole adapted to the centering mechanism, and the centering The mechanism is installed in the through hole, the centering mechanism is coaxial with the turntable, a scale is arranged on the outer circumference of the turntable, and the adjustment mechanism is arranged on the base. 2 . The adjustable clamp for EDM of a throttle disc according to claim 1 , further comprising an indexing clamp, and the turntable includes a blind hole ring layer and an indexing clamp ring layer, and the The blind hole is opened in the blind hole ring layer, the indexing fixture ring layer is provided with a groove, the indexing fixture is installed in the groove, and the indexing fixture is provided with a hole. 3 . The adjustable clamp for electric discharge machining of a throttle disc according to claim 1 , wherein the number of the magnet small round bars is more than two. 4 . 4 . The adjustable clamp for EDM of a throttle disc according to claim 1 , wherein the centering mechanism comprises an upper cylinder and a lower cylinder, and the diameter of the upper cylinder is larger than the diameter of the upper cylinder. 5 . The diameter of the lower cylinder is adapted to the diameter of the through hole, and the lower cylinder is installed in the through hole. 5 . The adjustable clamp for EDM of a throttle disc according to claim 2 , wherein the adjustment mechanism comprises a fixed seat, a thimble, a knob, a stop rod, and a fine-tuning screw, and the interior of the stop rod is 5. 6 . There is an inner thread, the thimble has a screw rod matched with the inner thread, the thimble can rotate in the inner thread of the blocking rod, the fixed seat is installed on the base, and the fine adjustment screw is installed on the fixed On the seat, the thimble passes through the hole opened on the indexing fixture, the blocking rod is fixedly installed on the indexing fixture, and the thimble is fixedly connected with the knob. 6 . The adjustable clamp for EDM of a throttle disc according to claim 5 , wherein a long groove is formed on the fixed seat, and the long groove is provided on the ejector pin. 7 . 7 . The adjustable clamp for electric discharge machining of a throttle disc according to claim 6 , wherein a scale is provided on the fine adjustment screw. 8 .

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