CN-120055844-B - Auxiliary clamping tool for processing arc tooth chain ring

CN120055844BCN 120055844 BCN120055844 BCN 120055844BCN-120055844-B

Abstract

The invention provides an auxiliary clamping tool for processing an arc tooth connecting chain ring, which comprises a base, a lateral positioning seat, a lateral stop piece, a positioning vertical plate, a secondary vertical plate and a longitudinal stop piece, wherein the lateral positioning seat, the lateral stop piece, the positioning vertical plate, the secondary vertical plate and the longitudinal stop piece are arranged at the upper end of the base, the V-shaped positioning seat is arranged at the lower end of one side of the lateral positioning seat, the lateral stop piece is arranged at the outer side of the V-shaped positioning seat and moves towards the lateral positioning seat, the arc tooth connecting chain ring clamped on the V-shaped positioning seat is laterally positioned, the positioning vertical plate is vertically arranged at one end of the V-shaped positioning seat, the secondary vertical plate is vertically arranged at the other end of the V-shaped positioning seat, a stop bolt is arranged at the upper end of the secondary vertical plate in a threaded connection manner, the arc tooth connecting chain ring clamped on the V-shaped positioning seat can be transversely positioned towards the positioning vertical plate through the stop bolt, the longitudinal stop piece is transversely arranged at one side of the lateral positioning seat towards the V-shaped positioning seat, the arc tooth connecting chain ring can penetrate into an opening, the arc tooth connecting chain ring can be longitudinally positioned, the error of the clamping position and angle of the arc tooth connecting chain ring can be reduced, and the machining precision can be improved.

Inventors

LIU HUI
LUO SUWEN
LIU CHENG
ZHANG LEI
WANG RONGWU
ZHANG XIAOYONG
WANG TAIQIANG

Assignees

宁夏天地奔牛实业集团有限公司

Dates

Publication Date: 20260512
Application Date: 20250315

Claims (6)

1. Auxiliary clamping tool for processing arc tooth chain links is characterized in that: the device comprises a base, a lateral positioning seat, a lateral stop piece, a positioning vertical plate, a secondary vertical plate and a longitudinal stop piece, wherein the lateral positioning seat, the lateral stop piece, the positioning vertical plate, the secondary vertical plate and the longitudinal stop piece are arranged at the upper end of one side of the lateral positioning seat, the lower end of one side of the lateral positioning seat is provided with a V-shaped positioning seat for clamping arc-tooth connecting links, the lateral stop piece is arranged at the outer side of the V-shaped positioning seat and opposite to the lateral positioning seat, the lateral stop piece can move towards the lateral positioning seat to form clamping force with each other so as to clamp and fix the arc-tooth connecting links clamped on the V-shaped positioning seat, the positioning vertical plate is vertically arranged at one end of the V-shaped positioning seat and extends upwards along the end of the V-shaped positioning seat, the secondary vertical plate is vertically arranged at the other end of the V-shaped positioning seat and opposite to the positioning vertical plate, a stop bolt is arranged at the upper end of the secondary vertical plate in a threaded connection manner, the axial direction of the stop bolt is opposite to the positioning vertical plate and can move towards the direction of the positioning vertical plate to rotate towards the direction of the positioning vertical plate so as to enable the arc-tooth connecting links clamped on the V-shaped positioning seat to move towards the side of the V-shaped positioning seat to form clamping links to be clamped and fixed in the arc-shaped positioning seat; One end of the lateral positioning seat, which faces the positioning vertical plate, is vertically provided with a positioning side plate extending upwards, and the positioning side plate is positioned on the inner side of the positioning vertical plate, is flush with the lateral vertical surface of the arc tooth connecting ring contacted with the lateral positioning seat and is abutted against the positioning vertical plate; an upward extending auxiliary side plate is vertically arranged at one end of the lateral positioning seat, which faces the auxiliary vertical plate, and the auxiliary side plate is positioned at the inner side of the auxiliary vertical plate and is flush with the lateral vertical surface of the arc tooth connecting ring contacted with the lateral positioning seat; The upper end face of one end of the side positioning seat, which is provided with the auxiliary side plate, is provided with an adjusting groove, the adjusting groove is parallel to the direction of the positioning side plate, the lower end of the auxiliary side plate is provided with a clamping seat matched with the adjusting groove, the clamping seat is clamped in the adjusting groove and moves along the adjusting groove towards the direction of the positioning side plate so as to adjust the distance between the auxiliary side plate and the positioning side plate, the upper end of the clamping seat is provided with a locking bolt, and the locking bolt penetrates through the clamping seat and can be propped against the adjusting groove so as to lock the auxiliary side plate; The lateral stop piece comprises a first stop arm, a second stop arm and two lateral clamping hydraulic cylinders, wherein the first stop arm and the second stop arm are vertically arranged on the outer side of the V-shaped positioning seat respectively, the upper end of the first stop arm is opposite to the positioning side plate, the upper end of the second stop arm is opposite to the auxiliary side plate, the two lateral clamping hydraulic cylinders are transversely arranged on the base respectively, the telescopic shafts of the two lateral clamping hydraulic cylinders face the lateral stop piece respectively and are connected with the lower ends of the first stop arm and the second stop arm respectively, and the two lateral clamping hydraulic cylinders drive the first stop arm and the second stop arm to move towards the lateral positioning seat simultaneously so that a mutual clamping force is formed between the first stop arm and the positioning side plate, between the second stop arm and the auxiliary side plate, and the two sides of the arc tooth joint clamped on the V-shaped positioning seat are clamped and fixed respectively.
2. The auxiliary clamping tool for processing the arc tooth chain ring according to claim 1, wherein the lower ends of the first stop arm and the second stop arm are rotatably connected with the telescopic shaft of the lateral clamping hydraulic cylinder, and the first stop arm and the second stop arm can rotate around the telescopic shaft of the lateral clamping hydraulic cylinder respectively.
3. The auxiliary clamping tool for processing the arc tooth connecting ring is characterized in that the longitudinal stop piece comprises a pressing seat, a lifting hydraulic cylinder and a pressing column, wherein a clamping groove is longitudinally formed in one side of the lateral positioning seat towards the V-shaped positioning seat, the clamping groove is opposite to the middle of the V-shaped positioning seat, the pressing seat is clamped in the clamping groove and can slide up and down along the clamping groove, the lifting hydraulic cylinder is longitudinally arranged at the lower end of the lateral positioning seat, a telescopic arm of the lifting hydraulic cylinder penetrates through the lateral positioning seat to extend into the clamping groove and is connected with the pressing seat, the pressing column is transversely arranged on the pressing seat and can transversely extend into an opening of the arc tooth connecting ring clamped on the V-shaped positioning seat along the pressing seat, and the lifting hydraulic cylinder drives the pressing seat to move up and down along the clamping groove, so that the arc tooth connecting ring clamped on the V-shaped positioning seat can be pressed down on the V-shaped positioning seat through the pressing column.
4. The auxiliary clamping tool for processing the arc tooth chain ring according to claim 3, wherein a plurality of insertion holes are formed in one side of the pressing seat, which faces the V-shaped positioning seat, in a transverse spacing mode along the opening direction of the adjusting groove, and one end of the pressing column can be inserted into any one of the insertion holes.
5. The fixture for machining the arc tooth chain ring according to claim 4, wherein the V-shaped positioning seat is composed of two triangular cushion blocks, the two triangular cushion blocks are oppositely arranged and combined to form a V-shaped groove, and the distance between the two triangular cushion blocks is adjustable.
6. The auxiliary clamping tool for processing the arc tooth connecting ring is characterized in that a V-shaped positioning seat, a lateral stop piece, a positioning vertical plate, a secondary vertical plate and a positioning side plate are symmetrically arranged on the other side of the lateral positioning seat, two arc tooth connecting rings with the same specification can be fixed at the same time, clamping grooves are formed in the way of penetrating through two sides of the lateral positioning seat, inserting holes are formed in the way of penetrating through two sides of the pressing seat, two pressing columns are respectively inserted into the inserting holes in the two sides of the pressing seat in a opposite mode, so that the arc tooth connecting rings fixed on the two sides of the lateral positioning seat can be pressed down at the same time, the secondary side plate is vertically arranged at the upper end of the lateral positioning seat, and two ends of the secondary side plate are flush with side faces of the two sides of the V-shaped positioning seat.

Description

Auxiliary clamping tool for processing arc tooth chain ring Technical Field The invention relates to the technical field of arc tooth chain ring machining, in particular to an auxiliary clamping tool for arc tooth chain ring machining. Background The arc tooth chain connecting ring is an important accessory for connecting a mining round-link chain, and plays a key role in heavy mechanical equipment such as scraper conveyors, coal planers and the like. The arc tooth chain ring mainly comprises two identical arc semi-rings and a fixed pin, two tooth systems of internal teeth and external teeth are designed on the arc semi-rings, the tooth shape in each tooth system is provided with a concave-convex arc, and each tooth direction is provided with an arc, so that the contact area of the two semi-rings is greatly increased by the structure, and the use strength and the quality stability of the chain ring are enhanced. In the prior art, when the tooth system on the arc semi-ring of the arc tooth chain ring is machined, the machining precision is always a difficult problem in manufacturing the arc tooth chain ring, because the shape of the arc tooth chain ring is irregular and needs to be divided into a plurality of working procedures, an internal tooth clamp and an internal tooth cutter are used for internal tooth machining, and an external tooth clamp and an external tooth cutter are used for external tooth machining, so that the arc tooth chain ring needs to be repeatedly clamped through the internal tooth clamp and the external tooth clamp, and certain differences exist in the clamping angles and positions of the existing internal tooth clamp and the external tooth clamp when the internal tooth clamp are repeatedly clamped, so that the machining precision of the external tooth and the internal tooth of the arc tooth chain ring is reduced, the arc semi-ring of the two arc tooth chain rings is easily meshed insufficiently, and then the arc tooth chain ring is easily broken due to uneven stress in the use process. Disclosure of Invention In view of the above, it is necessary to provide an auxiliary clamping tool for processing the arc tooth connecting ring, so as to solve the technical problem that in the prior art, the clamping angle and the position error are large, and the processing precision of the outer teeth and the inner teeth of the arc tooth connecting ring is low. The technical scheme adopted for solving the technical problems is as follows: the utility model provides an arc tooth connects link processing with supplementary clamping frock, includes the base, sets up lateral positioning seat, lateral stop spare, location riser, vice riser and the vertical stop spare in the base upper end, the lower extreme of lateral positioning seat one side is provided with the V-arrangement positioning seat that is used for the card to establish arc tooth connects link, lateral stop spare sets up in the outside of V-arrangement positioning seat, opposite with lateral positioning seat, and lateral stop spare can be to lateral positioning seat direction removal, forms clamping force each other to carry out the centre gripping to the arc tooth connects link both sides of card setting on V-arrangement positioning seat and fix, the setting up of riser is at the one end of V-arrangement positioning seat to extend upwards along V-arrangement positioning seat tip and set up, vice riser erects the other end that sets up at the V-arrangement positioning seat, just faces with the location riser, is provided with the stop bolt in vice riser upper end threaded connection, the axial just to the locating riser to can be to the rotatory removal of locating riser direction, with the arc tooth joint tooth on the V-arrangement positioning seat, top to the locating seat is to the locating riser, and the setting up of card is to the side-facing to the side of V-arrangement positioning seat, and the side joint link is pressed down to the setting up of V-arrangement positioning seat, and the side-facing direction setting up of V-arrangement positioning seat can be located in the arc tooth joint link side arc. Preferably, one end of the lateral positioning seat facing the positioning vertical plate is vertically provided with a positioning side plate extending upwards, and the positioning side plate is positioned at the inner side of the positioning vertical plate, is flush with the lateral vertical surface of the arc tooth connecting ring contacted with the lateral positioning seat and is abutted against the positioning vertical plate. Preferably, one end of the lateral positioning seat facing the auxiliary vertical plate is vertically provided with an upward extending auxiliary side plate, and the auxiliary side plate is positioned at the inner side of the auxiliary vertical plate and is flush with the lateral vertical surface of the arc tooth connecting ring contacted with the lateral positioning seat. Preferably, the adjusting groove is