CN217452453U

CN217452453U - Asymmetric helical gear centering device

Info

Publication number: CN217452453U
Application number: CN202221165258.3U
Authority: CN
Inventors: 王陈茂; 贺达
Original assignee: Ningbo Lingyi Transmission Technology Co ltd
Current assignee: Ningbo Lingyi Transmission Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-20
Anticipated expiration: 2032-05-16

Abstract

The utility model provides an asymmetric helical gear is to heart device belongs to gear machining technical field, and the device is used for carrying out the heart to the work piece, the base, including anchor clamps subassembly and to the heart subassembly, the anchor clamps platform install in the base, fixed establishment install in anchor clamps bench top portion, fixed establishment is used for fixing the work piece, to the heart subassembly include dead lever, key seat and to the heart pin rod, the one end of dead lever is fixed in the anchor clamps platform, the key seat install in the dead lever, to the heart pin rod screw install in the key seat, the device is simple to use, is convenient for mark the gear, improves the machining precision of asymmetric helical gear, and the practicality is higher.

Description

Asymmetric helical gear centering device

Technical Field

The utility model relates to a gear machining technical field particularly, relates to an asymmetric helical gear is to heart device.

Background

In the gear machining, the asymmetric helical gear machining with a certain angle on two sides is involved, and the front side and the back side of the gear need to be respectively machined, so that the gear needs to be clamped twice. But the angle reference of the gear clamping twice is difficult to find, the angle adjustment needs to be debugged for many times, the tooth direction of the tooth profile is difficult to guarantee, and the rejection rate of the gear is high.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides an asymmetric helical gear is to heart device aims at improving when adding man-hour to asymmetric helical gear, and the angle benchmark of the twice clamping of positive and negative is difficult to be look for, the higher problem of gear disability rate.

The utility model discloses a realize like this: an asymmetric helical gear centering device is used for centering a workpiece, and a base comprises a clamp assembly and a centering assembly.

The fixture assembly comprises a fixture table and a fixing mechanism, the fixture table is mounted on the base, the fixing mechanism is mounted on the top of the fixture table, and the fixing mechanism is used for fixing a workpiece.

The centering assembly comprises a fixed rod, a pin boss and a centering pin rod, one end of the fixed rod is fixed on the clamp table, the pin boss is installed on the fixed rod, and the centering pin rod is installed on the pin boss in a threaded mode.

The utility model discloses an in one embodiment, the base has seted up the first spout, slidable mounting has locking mechanism in the first spout, locking mechanism includes first slider, first screw rod and first nut, anchor clamps platform bottom is provided with the shirt rim, the shirt rim is provided with the breach, first slider slidable mounting in the first spout, first screw rod bottom fixed connection in first slider, first nut screw thread install in first screw rod.

The utility model discloses an in one embodiment, fixed establishment includes second screw rod, clamp plate and second nut, the bottom fixed connection of second screw rod in the anchor clamps platform, the clamp plate activity cup joint in the second screw rod, second nut screw thread install in the second screw rod.

The utility model discloses an in one embodiment, the dead lever is hexagonal prism, the connecting block has been cup jointed in the slip on the dead lever, the key seat install in the connecting block, the second fastener is installed to the connecting block bottom, the second fastener is used for fixing connecting block and dead lever.

The utility model discloses an in one embodiment, the second spout has been seted up to the connecting block, key seat bottom fixedly connected with installation piece, installation piece fixedly connected with second slider, second slider slidable mounting in the second spout, the connecting block is kept away from first fastener is installed to one side of installation piece, first fastener be used for with the second slider with the connecting block is fixed.

In an embodiment of the present invention, the first fastener and the second fastener are both threaded knobs.

In an embodiment of the present invention, the first sliding groove and the second sliding groove are both configured as an i-shaped sliding groove, and the first slider and the second slider are both configured as an i-shaped slider.

In an embodiment of the present invention, the centering pin is close to the fixing mechanism, and one end of the fixing mechanism is set to be conical.

The utility model discloses an in the embodiment, keep away from to the heart pin rod fixed establishment's one end is provided with the hand wheel, hand wheel periphery side is provided with anti-skidding line, anti-skidding line prolongs to setting up to heart pin rod axial.

In an embodiment of the present invention, the first sliding groove is provided on the base in a plurality of annular arrays, the locking mechanism corresponds to the first sliding groove, and the notch corresponds to the first sliding groove.

The utility model has the advantages that: the utility model discloses an asymmetric helical gear that above-mentioned design obtained is to heart device, during the use, the helical gear cover that will treat processing is on the second screw rod, rotate on the second screw rod through second nut screw, and then compress tightly the clamp plate, and then it is fixed to treat the gear of processing and press from both sides tightly, align the gear through rotating the centering pin pole, and then process the gear, after the one side processing of gear is accomplished, demolish the gear from fixed establishment, reverse side processing carries out, adopt the same method to press from both sides tight fixedly to the gear, adjust the profile of tooth benchmark of gear another side through the position to centering pin pole mark, then process, realize the high accurate processing of asymmetric helical gear, the device is simple to use, be convenient for mark the gear, improve the machining precision of asymmetric helical gear, the practicality is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an asymmetric helical gear centering device according to an embodiment of the present invention;

fig. 2 is another schematic structural diagram of an asymmetric helical gear centering device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of position A of FIG. 1;

fig. 4 is a schematic structural diagram of a centering assembly according to an embodiment of the present invention;

FIG. 5 is an enlarged view of position B of FIG. 4;

fig. 6 is an enlarged view of the position B in fig. 2.

In the figure: 10-a workpiece; 100-a base; 110-a first runner; 120-a locking mechanism; 121-a first slider; 122-a first screw; 123-a first nut; 200-a clamp assembly; 210-a jig table; 211-skirt edge; 212-a notch; 220-a securing mechanism; 221-a second screw; 222-a platen; 223-a second nut; 300-a centering assembly; 310-a fixing bar; 320-a pin boss; 330-centering pin; 331-a hand wheel; 340-connecting block; 341-second chute; 342-a first fastener; 343-a second fastener; 350-mounting blocks; 351-second slider.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1, the present invention provides a technical solution: an asymmetric helical gear centering device is used for centering a workpiece 10 and comprises a base 100, a clamp assembly 200 and a centering assembly 300.

Referring to fig. 2, the clamp assembly 200 includes a clamp table 210 and a fixing mechanism 220, the clamp table 210 is installed on the base 100, the fixing mechanism 220 is installed on the top of the clamp table 210, the fixing mechanism 220 includes a second screw 221, a pressing plate 222 and a second nut 223, the bottom of the second screw 221 is fixedly connected to the clamp table 210, the pressing plate 222 is movably sleeved on the second screw 221, the second nut 223 is threadedly installed on the second screw 221, when in use, a helical gear to be processed is sleeved on the second screw 221, and rotates on the second screw 221 through the second nut 223, so as to compress the pressing plate 222, and further clamp and fix the gear to be processed.

Referring to fig. 3, in some specific embodiments, the base 100 is provided with a first sliding groove 110, the locking mechanism 120 is slidably installed in the first sliding groove 110, the locking mechanism 120 includes a first slider 121, a first screw 122 and a first nut 123, a skirt 211 is disposed at the bottom of the fixture table 210, the skirt 211 is provided with a notch 212, the first slider 121 is slidably installed in the first sliding groove 110, the bottom of the first screw 122 is fixedly connected to the first slider 121, the first nut 123 is threadedly installed on the first screw 122, the first nut 123 slides into the notch 212 by sliding of the first slider 121, the skirt 211 is clamped by the first nut 123, so as to fix the fixture table 210 on the base 100, the first sliding groove 110 is provided with a plurality of annular arrays on the base 100, the locking mechanism 120 is disposed corresponding to the first sliding groove 110, and the notch 212 is disposed corresponding to the first sliding groove 110.

Referring to fig. 4, the centering assembly 300 includes a fixing rod 310, a pin seat 320 and a centering pin 330, one end of the fixing rod 310 is fixed to the fixture table 210, the pin seat 320 is installed on the fixing rod 310, the centering pin 330 is installed on the pin seat 320 in a threaded manner, one end of the centering pin 330 close to the fixing mechanism 220 is tapered, and the centering pin 330 is rotated to align the gears.

In some specific embodiments, the fixing rod 310 is a hexagonal prism, the connecting block 340 is slidably sleeved on the fixing rod 310, the pin holder 320 is installed on the connecting block 340, the second fastener 343 is installed at the bottom of the connecting block 340, and the second fastener 343 is used for fixing the connecting block 340 and the fixing rod 310, so that the centering pin rod 330 can be horizontally and rapidly moved, and the gears can be rapidly aligned.

Referring to fig. 5 and 6, in some specific embodiments, the connecting block 340 is provided with a second sliding groove 341, the bottom of the pin holder 320 is fixedly connected with an installation block 350, the installation block 350 is fixedly connected with a second sliding block 351, the second sliding block 351 is slidably installed in the second sliding groove 341, one side of the connecting block 340, which is far away from the installation block 350, is provided with a first fastener 342, the first fastener 342 is used for fixing the second sliding block 351 and the connecting block 340, the first fastener 342 and the second fastener 343 are both threaded knobs, the first sliding groove 110 and the second sliding groove 341 are both configured as i-shaped sliding grooves, and the first sliding block 121 and the second sliding block 351 are both configured as i-shaped sliding blocks.

In some specific embodiments, a hand wheel 331 is disposed at an end of the centering pin rod 330 away from the fixing mechanism 220, anti-slip patterns are disposed on an outer circumferential side of the hand wheel 331, the anti-slip patterns are axially disposed along the centering pin rod 330, and the hand wheel 331 and the anti-slip patterns are disposed to facilitate rotation of the centering pin rod 330.

The working principle is as follows: the helical gear to be machined is sleeved on the second screw rod 221, the helical gear rotates on the second screw rod 221 through the second nut 223 threads, the pressing plate 222 is pressed tightly, the gear to be machined is clamped and fixed, the gear is aligned through rotating the centering pin rod 330, the gear is machined, after one side of the gear is machined, the gear is detached from the fixing mechanism 220, reverse side machining is conducted, the gear is clamped and fixed through the same method, the tooth profile datum of the other side of the gear is adjusted through the position marked on the centering pin rod 330, and then machining is conducted, and high-precision machining of the asymmetric helical gear is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An asymmetric helical gear centering device is used for centering a workpiece (10), and is characterized by comprising

A base (100);

the fixture assembly (200), the fixture assembly (200) comprises a fixture table (210) and a fixing mechanism (220), the fixture table (210) is mounted on the base (100), the fixing mechanism (220) is mounted on the top of the fixture table (210), and the fixing mechanism (220) is used for fixing a workpiece (10);

the centering assembly (300) comprises a fixing rod (310), a pin boss (320) and a centering pin rod (330), one end of the fixing rod (310) is fixed on the clamp table (210), the pin boss (320) is installed on the fixing rod (310), and the centering pin rod (330) is installed on the pin boss (320) in a threaded mode.

2. The asymmetric helical gear centering device according to claim 1, wherein the base (100) is provided with a first sliding groove (110), a locking mechanism (120) is slidably mounted in the first sliding groove (110), the locking mechanism (120) comprises a first sliding block (121), a first screw (122) and a first nut (123), a skirt (211) is arranged at the bottom of the fixture table (210), a notch (212) is arranged on the skirt (211), the first sliding block (121) is slidably mounted in the first sliding groove (110), the bottom of the first screw (122) is fixedly connected to the first sliding block (121), and the first nut (123) is threadedly mounted on the first screw (122).

3. The asymmetric helical gear centering device according to claim 1, wherein the fixing mechanism (220) comprises a second screw (221), a pressing plate (222) and a second nut (223), the bottom of the second screw (221) is fixedly connected to the clamp table (210), the pressing plate (222) is movably sleeved on the second screw (221), and the second nut (223) is installed on the second screw (221) in a threaded manner.

4. The asymmetric helical gear centering device according to claim 2, wherein the fixing rod (310) is a hexagonal prism, a connecting block (340) is slidably sleeved on the fixing rod (310), the pin holder (320) is mounted on the connecting block (340), a second fastening member (343) is mounted at the bottom of the connecting block (340), and the second fastening member (343) is used for fixing the connecting block (340) and the fixing rod (310).

5. The asymmetric helical gear centering device according to claim 4, wherein a second sliding groove (341) is formed in the connecting block (340), a mounting block (350) is fixedly connected to the bottom of the pin seat (320), a second sliding block (351) is fixedly connected to the mounting block (350), the second sliding block (351) is slidably mounted in the second sliding groove (341), a first fastening member (342) is mounted on one side of the connecting block (340) away from the mounting block (350), and the first fastening member (342) is used for fixing the second sliding block (351) to the connecting block (340).

6. The asymmetric helical centering device as claimed in claim 5, wherein the first fastening member (342) and the second fastening member (343) are both threaded knobs.

7. The asymmetric helical gear centering device according to claim 6, wherein the first sliding slot (110) and the second sliding slot (341) are both configured as I-shaped sliding slots, and the first sliding block (121) and the second sliding block (351) are both configured as I-shaped sliding blocks.

8. The asymmetric helical centering device according to claim 1, wherein one end of said centering pin rod (330) near said fixing mechanism (220) is tapered.

9. The asymmetric helical centering device according to claim 1, wherein a hand wheel (331) is arranged at one end of the centering pin rod (330) far away from the fixing mechanism (220), anti-skid threads are arranged on the outer peripheral side of the hand wheel (331), and the anti-skid threads are axially arranged along the centering pin rod (330).

10. The asymmetric helical gear centering device according to claim 2, wherein a plurality of first sliding grooves (110) are arranged on the base (100) in an annular array, the locking mechanism (120) is arranged corresponding to the first sliding grooves (110), and the notches (212) are arranged corresponding to the first sliding grooves (110).