CN213561112U - Lathing clamp for outer arc surface of contact card - Google Patents

Lathing clamp for outer arc surface of contact card Download PDF

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Publication number
CN213561112U
CN213561112U CN202022282055.XU CN202022282055U CN213561112U CN 213561112 U CN213561112 U CN 213561112U CN 202022282055 U CN202022282055 U CN 202022282055U CN 213561112 U CN213561112 U CN 213561112U
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China
Prior art keywords
contact card
mounting seat
arc surface
screw
pressing plate
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CN202022282055.XU
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Chinese (zh)
Inventor
方建平
马元举
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Guizhou Zunyi Chi Yu Precision Machinery Manufacturing Co ltd
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Guizhou Zunyi Chi Yu Precision Machinery Manufacturing Co ltd
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Priority to CN202022282055.XU priority Critical patent/CN213561112U/en
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Abstract

The utility model discloses a lathing anchor clamps of outer arc surface of contact card belongs to machining technical field. The clamp comprises a mounting seat and a pressing plate, wherein a plurality of workpiece clamping grooves are formed in one end of the mounting seat, positioning holes are formed in the bottoms of the workpiece clamping grooves, and the pressing plate is connected with one end, provided with the workpiece clamping grooves, of the mounting seat through a fastening assembly. Only the mounting seat in the clamp needs to be calibrated, so that the time consumption for calibrating the clamp is short; the contact card is positioned and limited through the workpiece clamping groove and the positioning hole, the contact cards can be fastened and fixed on the mounting seat through the pressing plate and the screw, clamping is reliable and quick, dismounting and mounting are convenient, and processing quality and production efficiency of the outer arc surface of the contact card are improved. After the screw is withdrawn, the pressing plate and the contact card can be ejected out for a certain distance relative to the mounting seat under the action of the pressure spring, and the contact card and the pressing plate can be conveniently taken out.

Description

Lathing clamp for outer arc surface of contact card
Technical Field
The utility model relates to a lathing anchor clamps of outer arc surface of contact card belongs to machining technical field.
Background
The quality of the contact card as a weight part of the transmission device has an important influence on the performance of the transmission device, and even influences the stability, safety, reliability and service life of the whole mechanical device. The structure of the contact card is as shown in fig. 1 and fig. 2, and comprises a clamping block and a screw rod, wherein one side of the clamping block is an outer arc surface, one side of the clamping block, which is far away from the outer arc surface, is provided with a notch, and the screw rod is arranged on one side of the clamping block and is vertical to the notch. Because the contact card is irregular in shape, the outer arc surface is usually machined by linear cutting, but the problems of long machining period, low efficiency and high cost of the outer arc surface exist, and the contact card is not suitable for mass production of the contact card.
Chinese patent document No. CN208358351U discloses a novel special-shaped key arc surface turning clamp, which comprises, first, connecting the clamp base, clamping disk, pressing block and long screw rod into a whole by bolts, clamping the boss of the clamp base by the lathe chuck, aligning by using the excircle and end surface of the clamp base as the alignment reference, ensuring the clamp base center and lathe turning center to be concentric, ensuring the end surface of the clamp base to be vertical to the turning center, then installing the parts, inserting one end of 4 steps with 20mm special-shaped key length into the radial grooves of the clamping disk, locking the pressing block pressing bolt, clamping and fixing one end of 4 parts, finally installing the washer, conical expanding sleeve, conical pressing block and outer ring at the other end of the parts, installing screw pressing nut and screwing, pressing the pressing block into the expanding sleeve, supporting the parts, installing the outer ring pressing bolt in the screw hole of the outer ring, and screwing the bolt, pressing the bolt on the plane of the other end of the part, so that the whole clamp and the part are integrated, and the tip of the lathe is propped against the end part of the long screw rod of the clamp to start machining.
However, when the clamp is used for clamping the contact card, the problems of long time consumption for calibrating the clamp, long time consumption for clamping the workpiece, inconvenience for assembling and disassembling the workpiece and low production efficiency exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a lathing anchor clamps of outer arc surface of contact card.
The utility model discloses a following technical scheme can realize:
the utility model provides a turning anchor clamps of outer arc surface of contact card, includes mount pad and clamp plate, the one end of mount pad is equipped with a plurality of work piece draw-in grooves, and the bottom of work piece draw-in groove is equipped with the locating hole, the clamp plate passes through fastening components and is connected with the one end that is equipped with work piece draw-in groove on the mount pad.
The mounting seat is a step shaft.
One end of the mounting seat is uniformly provided with a plurality of workpiece clamping grooves, and the positioning holes are arranged along the axial direction of the mounting seat.
The pressing plate is a disc, and a through hole A is coaxially arranged on the disc.
The fastening component is a screw, a threaded hole A is formed in the position, corresponding to the screw, of the mounting seat, and one end of the screw penetrates through the pressing plate to be in threaded connection with the mounting seat.
The screw is a socket head cap screw.
A flat washer is sleeved on the screw between the head of the screw and the pressure plate.
One end of the mounting seat is provided with a blind hole, the threaded hole A is coaxially arranged at the bottom of the blind hole, the diameter of the blind hole is larger than that of the threaded hole A, and an auxiliary backing piece is arranged in the blind hole.
The auxiliary backing piece is a pressure spring, one end of the pressure spring is abutted against the bottom of the blind hole, and the other end of the pressure spring is abutted against the pressing plate.
The beneficial effects of the utility model reside in that:
1. only the mounting seat in the clamp needs to be calibrated, and the time consumption for calibrating the clamp is short.
2. The contact card is positioned and limited through the workpiece clamping groove and the positioning hole, the contact cards can be fastened and fixed on the mounting seat through the pressing plate and the screw, clamping is reliable and quick, dismounting and mounting are convenient, and processing quality and production efficiency of the outer arc surface of the contact card are improved.
3. After the screw is withdrawn, the pressing plate and the contact card can be ejected out for a certain distance relative to the mounting seat under the action of the pressure spring, and the contact card and the pressing plate can be conveniently taken out.
Drawings
FIG. 1 is a schematic front view of a contact card;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic structural diagram of the mounting base of the present invention.
In the figure: 1-screw, 2-flat washer, 3-pressure spring, 4-pressure plate, 5-contact card and 6-mounting seat.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-4, a lathing anchor clamps of outer arc surface of contact card, including mount pad 6 and clamp plate 4, the one end processing of mount pad 6 has a plurality of work piece draw-in grooves, and work piece draw-in groove's bottom processing has the locating hole, clamp plate 4 is connected through the one end that fastening components and mount pad 6 went up processing to have work piece draw-in groove. When the workpiece clamping groove is used, the clamping block in the contact card 5 is positioned and limited, and the shape and the size of the workpiece clamping groove are matched with the appearance of the clamping block; the positioning holes are used for positioning the screws in the contact card 5. Before the contact card 5 is clamped, the mounting seat 6 is mounted on a lathe spindle through a three-jaw chuck and the like, the coaxiality, circular run-out and end face run-out of the mounting seat 6 are calibrated, only the mounting seat 6 in the clamp needs to be calibrated, and the time consumed for calibrating the clamp is short; install clamp plate 4 and contact card 5 on mount pad 6 in step, then through fastening components locking fixed clamp plate 4 and contact card 5 can, after finishing processing, demolish fastening components, can extract contact card 5 from mount pad 6, withdraw from clamp plate 4 simultaneously, the 5 clamping of contact card is quick, reliable, easy dismounting helps improving contact card 5's processingquality and production efficiency.
The mounting seat 6 is a step shaft.
A plurality of workpiece clamping grooves are uniformly formed in one end of the mounting seat 6, and positioning holes are formed in the axial direction of the mounting seat 6.
The pressing plate 4 is a disc, and a through hole A is coaxially processed on the disc. In use, the through hole a is a clearance fit with the screw 1.
The fastening component is a screw 1, a threaded hole A is processed on the mounting seat 6 at a position corresponding to the screw 1, and one end of the screw 1 penetrates through the pressing plate 4 to be in threaded connection with the mounting seat 6. The pressing plate 4 and the contact card 5 can be locked and fixed on the mounting seat 6 through one screw 1, and the assembly and disassembly efficiency of the contact card 5 is improved.
The screw 1 is a socket head cap screw. The internal hexagonal wrench is convenient to use to screw or loosen the screw 1, and the interference between the tool and the contact card 5 is avoided.
A flat gasket 2 is sleeved on the screw 1 between the head of the screw 1 and the pressure plate 4.
One end of the mounting seat 6 is processed with a blind hole, the threaded hole A is coaxially arranged at the bottom of the blind hole, the diameter of the blind hole is larger than that of the threaded hole A, and an auxiliary backing piece is arranged in the blind hole.
The auxiliary backing piece is a pressure spring 3, one end of the pressure spring 3 is abutted against the bottom of the blind hole, and the other end of the pressure spring is abutted against the pressing plate 4.
Outer arc surface's of contact card car adds clamping apparatus, its use is as follows:
install mount pad 6 on the main shaft of lathe through three-jaw chuck etc, and the axiality of calibration mount pad 6, circle is beated and the end face is beated, put into the blind hole on mount pad 6 with pressure spring 3, adorn on mount pad 6 with clamp plate 4 and a plurality of contact card 5 in step, screw rod on the contact card 5 inserts in the locating hole on the mount pad 6, the fixture block card on the contact card 5 is gone into work piece draw-in groove, make the one end of screw 1 pass flat packing ring 2 in proper order, clamp plate 4 and pressure spring 3, and in the screw in screw hole A, then screw 1 is screwed up through interior hexagonal spanner, locking fixed pressing plate 4 and contact card 5, start the lathe and can begin to process. After the outer arc surface of the contact card 5 is processed, the screw 1 is withdrawn, the pressing plate 4 and the contact card 5 are ejected out for a certain distance relative to the mounting seat 6 under the action of the pressure spring 3, and the contact card 5 and the pressing plate 4 are simultaneously pulled out from the mounting seat 6.
To sum up, the utility model provides a car adds clamping apparatus has following beneficial effect:
1. only the mounting seat 6 in the fixture needs to be calibrated, and the fixture calibration consumes short time.
2. The contact card 5 is positioned and limited through the workpiece clamping groove and the positioning hole, the contact cards 5 can be locked and fixed on the mounting seat 6 through the pressing plate 4 and the screw 1, clamping is reliable and quick, dismounting and mounting are convenient, and processing quality and production efficiency of the outer arc surface of the contact card 5 are improved.
3. After the screw 1 is withdrawn, the pressing plate 4 and the contact card 5 can be ejected out for a certain distance relative to the mounting seat 6 under the action of the pressure spring 3, and the contact card 5 and the pressing plate 4 are convenient to take out.

Claims (9)

1. The utility model provides a lathe work anchor clamps of outer arc surface of contact card which characterized in that: the workpiece clamping device is characterized by comprising a mounting seat (6) and a pressing plate (4), wherein a plurality of workpiece clamping grooves are formed in one end of the mounting seat (6), positioning holes are formed in the bottoms of the workpiece clamping grooves, and the pressing plate (4) is connected with one end, provided with the workpiece clamping grooves, of the mounting seat (6) through a fastening assembly.
2. The contact card outside arc surface turning jig of claim 1, wherein: the mounting seat (6) is a step shaft.
3. The contact card outside arc surface turning jig of claim 2, wherein: one end of the mounting seat (6) is uniformly provided with a plurality of workpiece clamping grooves, and the positioning holes are arranged along the axial direction of the mounting seat (6).
4. The contact card outside arc surface turning jig of claim 1, wherein: the pressing plate (4) is a disc, and a through hole A is coaxially arranged on the disc.
5. The contact card outside arc surface turning jig of claim 1, wherein: the fastening component is a screw (1), a threaded hole A is formed in the position, corresponding to the screw (1), of the mounting seat (6), and one end of the screw (1) penetrates through the pressing plate (4) to be in threaded connection with the mounting seat (6).
6. The turning clamp for the outer arc surface of the contact card as recited in claim 5, wherein: the screw (1) is a socket head cap screw.
7. The turning clamp for the outer arc surface of the contact card as recited in claim 5, wherein: a flat gasket (2) is sleeved on the screw (1) between the head of the screw (1) and the pressure plate (4).
8. The turning clamp for the outer arc surface of the contact card as recited in claim 5, wherein: one end of the mounting seat (6) is provided with a blind hole, the threaded hole A is coaxially arranged at the bottom of the blind hole, the diameter of the blind hole is larger than that of the threaded hole A, and an auxiliary backing piece is arranged in the blind hole.
9. The contact card outside arc surface turning jig of claim 8, wherein: the auxiliary backing piece is a pressure spring (3), one end of the pressure spring (3) is abutted against the bottom of the blind hole, and the other end of the pressure spring is abutted against the pressing plate (4).
CN202022282055.XU 2020-10-14 2020-10-14 Lathing clamp for outer arc surface of contact card Active CN213561112U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022282055.XU CN213561112U (en) 2020-10-14 2020-10-14 Lathing clamp for outer arc surface of contact card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022282055.XU CN213561112U (en) 2020-10-14 2020-10-14 Lathing clamp for outer arc surface of contact card

Publications (1)

Publication Number Publication Date
CN213561112U true CN213561112U (en) 2021-06-29

Family

ID=76523881

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022282055.XU Active CN213561112U (en) 2020-10-14 2020-10-14 Lathing clamp for outer arc surface of contact card

Country Status (1)

Country Link
CN (1) CN213561112U (en)

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