CN209936395U

CN209936395U - Clamp for processing inner hole of driving gear

Info

Publication number: CN209936395U
Application number: CN201920603860.2U
Authority: CN
Inventors: 姜飞; 姜萍; 姜波; 谢旭辉; 李德荣; 黄自胜
Original assignee: Hubei Yunxian Gear Polytron Technologies Inc
Current assignee: Hubei Yunxian Gear Polytron Technologies Inc
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-14
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses an anchor clamps that processing drive gear hole was used, the fixture comprises a fixture body, the right side swing joint of anchor clamps body has the clamp plate, the ladder groove has been seted up to the inside of anchor clamps body, the internal surface swing joint in ladder groove has drive gear, and the left side swing joint of drive gear's right side and clamp plate, the inside of anchor clamps body and clamp plate all sets up threaded hole, the utility model relates to a gear clamp technical field. This anchor clamps that processing drive gear hole was used, through placing drive gear in the ladder inslot of anchor clamps body, utilize the clamp plate to compress tightly the drive gear terminal surface, and cooperation bolt and cylindric lock are fixed, adopt the hole after this anchor clamps processing drive gear thermal treatment, the clamping is convenient, the rejection rate of producing because of gear excircle atress deformation in the course of working has been reduced, the required precision of gear thermal treatment post-processing hole and terminal surface has been satisfied, moreover, the cost greatly reduced of this anchor clamps.

Description

Clamp for processing inner hole of driving gear

Technical Field

The utility model relates to a gear anchor clamps technical field specifically is an anchor clamps that processing drive gear hole was used.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving processing or detection in a mechanical manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The clamp generally comprises a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a clamp body and the like, and the types of the clamp can be divided into the following types according to the use characteristics: universal clamp, such as vice, chuck, sucking disc, dividing head and rotary table, etc. has great versatility, can better adapt to the change of the processing procedure and the processing object, the structure is already shaped, the size and the specification are already serialized, and most of them become a standard accessory of the machine tool; the special fixture is specially designed and manufactured for the clamping requirement of a certain product part on a certain process, has a specific service object and strong pertinence, is generally designed by a product manufacturer, and is commonly used as a lathe fixture, a milling machine fixture, a drill jig, a boring jig and a follower fixture; adjustable clamp, special clamp capable of replacing or adjusting element.

The existing fixture for machining the inner hole of the driving gear is mainly used for machining the inner hole of the gear on the pitch circle roller of the fixture for clamping the elastic film by using three clamping jaws, the pitch circle roller is required to be aligned to a tooth groove during clamping, the work piece is assembled by taking more trouble, the phenomenon of inclined clamping is easy to occur, repeated accumulated errors can occur, and the precision of the machined part is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an anchor clamps that processing drive gear hole was used has solved the anchor clamps that current processing drive gear hole was used, and it is more troublesome during the dress work piece, easily appears the inclined to one side phenomenon of clamping, can appear the repeated accumulative error, influences the problem of being processed the part precision.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an anchor clamps that processing drive gear hole was used, includes the anchor clamps body, the right side swing joint of anchor clamps body has the clamp plate, the ladder groove has been seted up to the inside of anchor clamps body, the internal surface swing joint in ladder groove has drive gear, and the left side swing joint of drive gear's right side and clamp plate, threaded hole, two have all been seted up to the inside of anchor clamps body and clamp plate threaded connection has the bolt between the internal surface of screw hole, the pinhole has all been seted up, two to the inside of anchor clamps body and clamp plate and the one side that is located the screw hole the joint has the cylindric lock between the internal surface of pinhole, the machined hole has been.

Preferably, the number of the bolts is three, and the bolts are distributed on the surface of the pressure plate in a triangular shape.

Preferably, the number of the cylindrical pins is three, and the cylindrical pins are distributed on the surface of the pressure plate in a triangular shape.

Preferably, the diameter of the pressure plate is 156 +/-0.100 mm.

Preferably, the diameter of the processing hole is 102 +/-0.100 mm.

Preferably, the pressing plate needs to be quenched, flash and burr are removed, and sharp corners are blunt.

Advantageous effects

The utility model provides an anchor clamps that processing drive gear hole was used. Compared with the prior art, the method has the following beneficial effects: the clamp for processing the inner hole of the driving gear is convenient to clamp, the rejection rate caused by the deformation of the excircle of the gear due to stress during the processing process is reduced, the precision requirement of machining the inner hole and the end face after the gear is subjected to heat treatment is met, and the cost of the clamp is greatly reduced.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

fig. 2 is a side view of the external structure of the present invention;

FIG. 3 is a front view of the internal structure of the clamp body of the present invention;

fig. 4 is a front view of the internal structure of the pressing plate of the present invention.

In the figure: 1-clamp body, 2-pressing plate, 3-step groove, 4-driving gear, 5-threaded hole, 6-bolt, 7-pin hole, 8-cylindrical pin and 9-processing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-4, the present invention provides a technical solution: a clamp for machining an inner hole of a driving gear comprises a clamp body 1, wherein a pressing plate 2 is movably connected to the right side of the clamp body 1, the pressing plate 2 needs to be quenched and is deburred, sharp corners are blunted, the diameter of the pressing plate 2 is 156 +/-0.100 mm, a stepped groove 3 is formed in the clamp body 1, a driving gear 4 is movably connected to the inner surface of the stepped groove 3, the right side of the driving gear 4 is movably connected with the left side of the pressing plate 2, threaded holes 5 are formed in the clamp body 1 and the pressing plate 2, bolts 6 are connected between the inner surfaces of the two threaded holes 5 in a threaded manner, the number of the bolts 6 is three, the bolts 6 are distributed on the surface of the pressing plate 2 in a triangular manner, pin holes 7 are formed in one sides, located on the threaded holes 5, of the clamp body 1 and the pressing plate 2, cylindrical pins 8 are clamped between the inner surfaces of, and cylindric lock 8 is triangle-shaped distribution on the surface of clamp plate 2, the processing hole 9 has been seted up to clamp plate 2's axle center department, the diameter 102 +/-0.100 mm of processing hole 9, through placing drive gear 4 in the ladder groove 3 of anchor clamps body 1, utilize clamp plate 2 to compress tightly drive gear 4 terminal surface, and cooperation bolt 6 and cylindric lock 8 are fixed, adopt the hole after this anchor clamps processing drive gear 4 heat treatment, the clamping is convenient, the rejection rate that produces because of gear excircle atress warp in the course of working has been reduced, the required precision of gear heat treatment post-processing hole and terminal surface has been satisfied, and the cost of this anchor clamps significantly reduces.

During operation, at first fix anchor clamps body 1 on the numerical control equipment jack catch, then pack into the ladder groove 3 of anchor clamps body 1 inside with the drive gear 4 of processing in the course of working, by the terminal surface of ladder groove 3's internal surface location drive gear 4, the accurate excircle of restriction drive gear 4 in the ladder groove 3 of anchor clamps body 1, and then compress tightly drive gear 4 terminal surface through clamp plate 2, cooperate bolt 6 and screw hole 5, and inject cylindric lock 8 in pinhole 7, make anchor clamps body 1 fasten with clamp plate 2, carry out the heat treatment after last through the hole of clamp plate 2 surperficial machining hole 9 finish machining drive gear 4 can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps that processing drive gear hole was used, includes anchor clamps body (1), its characterized in that: the right side swing joint of anchor clamps body (1) has clamp plate (2), ladder groove (3) have been seted up to the inside of anchor clamps body (1), the internal surface swing joint in ladder groove (3) has drive gear (4), and the right side of drive gear (4) and the left side swing joint of clamp plate (2), threaded hole (5), two have all been seted up to the inside of anchor clamps body (1) and clamp plate (2) between the internal surface of screw hole (5) threaded connection has bolt (6), pinhole (7), two have all been seted up to the inside of anchor clamps body (1) and clamp plate (2) and the one side that is located screw hole (5) between the internal surface of pinhole (7) the joint has cylindric lock (8), axle center department of clamp plate (2) has seted up process hole (9).

2. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: the number of the bolts (6) is three, and the bolts (6) are distributed on the surface of the pressing plate (2) in a triangular mode.

3. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: the number of the cylindrical pins (8) is three, and the cylindrical pins (8) are distributed on the surface of the pressing plate (2) in a triangular mode.

4. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: one side of the clamp body (1) is fixedly installed on the inner surface of a jaw of the numerical control equipment.

5. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: the diameter of the pressing plate (2) is 156 +/-0.100 mm.

6. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: the diameter of the processing hole (9) is 102 +/-0.100 mm.

7. The jig for machining the inner hole of the driving gear as claimed in claim 1, wherein: the pressing plate (2) needs to be quenched, flash and burr are removed, and the sharp corner is blunt.