CN107413995A - Screw-rolling machine axle thread processes stopping means - Google Patents

Abstract

The invention relates to a limiting device for thread processing of a thread rolling machine shaft, which comprises a base frame, a limiting block, a movable positioning plate, a pin shaft, spring one and spring two; the limiting block is a plate-shaped structure, and the center of the limiting block is set There is a through hole, and the pin shaft is fitted and fixed in the through hole. One side of the limit block is provided with an arc-shaped groove, and the other side of the limit block is provided with a positioning groove; the two ends of the pin shaft are respectively threaded In the pin holes provided in the middle of the upper part of the side plate 1 and the side plate 2 respectively; the movable positioning plate is an L-shaped plate structure, and one end of the movable positioning plate of the L-shaped plate structure is in the horizontal opening groove provided on the side plate 1 And form a rotational connection with the horizontal opening slot; one end of spring one is set on the lower part of the other side of the limit block, the other end of spring one is set on the lower part of the baffle plate; one end of spring two is set on the movable positioning plate of the L-shaped plate structure The middle part, the other end of spring two is arranged on the side plate two. The limiting device can ensure the accuracy of the radial position of the major axis, thereby ensuring the precision of thread processing.

Description

Limiting device for thread processing of thread rolling machine shaft

technical field

The invention relates to a thread rolling machine, in particular to a thread rolling machine shaft thread processing limiting device.

Background technique

Thread rolling machine is a kind of high-efficiency thread processing machine tool, which is widely used in the field of mechanical processing. An existing thread rolling machine includes two thread rolling wheels. When processing the thread of the long shaft head, the long shaft is usually placed on the support, the shaft head at one end of the long shaft is supported on the front end of the support, and the other end of the long shaft is Supported on the rear end of the bracket. Since the long axis placed on the bracket has no positioning device in the radial direction, it is difficult to ensure the accuracy of the long axis in the radial direction only by the operator's manual control, thus affecting the accuracy of thread processing.

Contents of the invention

The technical problem to be solved by the present invention is to provide a thread rolling machine shaft thread processing limit device, the shaft support device can ensure the accuracy of the radial position of the long axis, thereby ensuring the accuracy of thread processing.

In order to solve the above-mentioned technical problems, the present invention provides a limiting device for thread rolling machine shaft thread processing, which includes a base frame, a limit block, a movable positioning plate, a pin shaft, spring one and spring two; the base frame includes side plate one, side plate Two and baffles, one end of side plate 1 and side plate 2 are respectively arranged on both sides of the baffle plate, parallel between side plate 1 and side plate 2 and keep a distance, side plate 1 and side plate 2 are located near the top of the baffle plate There is a gap, and the gap and the baffle form a U-shaped opening. The upper part of the side plate 1 and the side plate 2 away from the baffle plate is respectively provided with a horizontal opening groove, and the middle of the upper part of the side plate 1 and the side plate 2 is respectively provided with a pin hole. The middle parts of the side plate 1 and the side plate 2 are respectively provided with assembly holes; the limit block is a plate-shaped structure, and the center of the limit block is provided with a through hole, and the pin shaft is worn and fixed in the through hole. The side is provided with an arc-shaped groove, and the other side of the limit block is provided with a positioning groove; the two ends of the pin shaft are respectively installed in the pin holes respectively provided in the middle of the upper part of the side plate 1 and side plate 2; The movable positioning plate is an L-shaped plate structure, and one end of the movable positioning plate of the L-shaped plate structure is in the horizontal opening groove provided on the side plate one and forms a rotational connection with the horizontal opening groove; one end of the spring one is arranged at the limit The bottom of block other side, the other end of spring one is arranged on the bottom of baffle plate; One end of spring two is arranged on the middle part of the movable positioning plate of L-shaped plate structure, and the other end of spring two is arranged on side plate two.

The upper edge of the positioning groove provided on the other side of the limiting block is an arc structure.

When the limiting block is in a horizontal state, the lower side of the arc-shaped groove provided on one side of the limiting block is longer than the upper side of the arc-shaped groove.

One side of the upper end of the baffle is provided with an arc structure.

The first side plate, the second side plate and the baffle plate of the base frame are made into an integral structure.

In the above-mentioned limit device for thread processing of the thread rolling machine shaft, since one side of the limit block is provided with an arc-shaped groove, the base frame contains a baffle plate, and the rear end of the long axis is located in the arc-shaped groove of the limit block during processing. and the baffle plate, the movable positioning plate of the L-shaped plate structure is inserted into the positioning groove provided on the other side of the limit block, and the rear end of the major axis is limited to the arc-shaped groove of the limit block and the baffle plate Between, thus ensuring the accuracy of the long axis in the radial position, thereby ensuring the accuracy of thread processing.

Description of drawings

Fig. 1 is a schematic structural view of the thread rolling machine shaft thread processing limiting device of the present invention;

Fig. 2 is an enlarged schematic diagram of the structure of the limit block.

detailed description

In Fig. 1, the thread rolling machine shaft thread processing limit device includes a base frame, a limit block 5, a movable positioning plate 1, a pin shaft 8, a spring one and a spring two. Spring one and spring two are not shown among Fig. 1. Base frame contains side plate one 2, side plate two 3 and baffle plate 9, and one end of side plate one 2 and side plate two 3 is arranged on the both sides of baffle plate 9 respectively. Parallel between the side plate one 2 and the side plate two 3 and keep a distance, the side plate one 2 and the side plate two 3 are provided with a gap near the top of the baffle plate 9, and the gap and the baffle plate 9 form a U-shaped opening. Side plate one 2 and side plate two 3 are respectively provided with horizontal opening grooves away from the top of baffle plate 9, that is, side plate one 2 is provided with horizontal opening groove one away from the top of baffle plate 9, and side plate two 3 is far away from the top of baffle plate 9 There are two horizontal opening slots 6.

Pin holes are respectively provided in the middle of the top of the side plate one 2 and the side plate two 3 , and assembly holes 10 are respectively provided in the middle of the side plate one 2 and the side plate two 3 . The limiting block 5 is a plate-shaped structure, and the center of the limiting block 5 is provided with a through hole 14 . The pin shaft 8 is fitted and fixed in the through hole 14 , an arc-shaped groove 7 is provided on one side of the limiting block 5 , and a positioning groove 13 is provided on the other side of the limiting block 5 . The two ends of bearing pin 8 are respectively worn in the pin hole that is respectively provided with in the middle of the top of described side plate one 2 and side plate two 3. The movable positioning plate 1 is an L-shaped plate structure, and one end of the movable positioning plate 1 of the L-shaped plate structure is provided with in the horizontal opening groove one provided on the side plate one 2 and forms a rotational connection with the horizontal opening groove one. In this embodiment, one end of the movable positioning plate 1 of the L-shaped plate structure forms a rotational connection in the horizontal opening groove 1 provided on the side plate 2 through the vertical shaft 4 . One end of spring one is set at the bottom of the other side of the limit block 5 , and the other end of spring one is set at the bottom of the baffle plate 9 . One end of the spring two is arranged on the middle part of the movable positioning plate 1 of the L-shaped plate structure, and the other end of the spring two is arranged on the side plate two 3 .

In order to facilitate the insertion of the movable positioning plate 1 into the positioning groove 13 provided on the other side of the limiting block 5 , the upper side of the positioning groove 13 provided on the other side of the limiting block 5 has an arc-shaped structure.

In order to improve the stability of the limit between the arc-shaped groove 7 of the limit block 5 and the baffle plate 9 at the end of the major axis, when the limit block 5 is in a horizontal state, one side of the limit block 5 The lower edge 12 of the arc-shaped groove 7 is longer than the upper edge 11 of the arc-shaped groove 7 .

In order to facilitate the assembly and disassembly of the end of the long axis, the upper end of the baffle plate 9 is provided with an arc-shaped structure.

In order to reduce the production cost, the first side plate 2, the second side plate 3 and the baffle plate 9 of the base frame are made into an integral structure.

When using the above-mentioned limiting device for thread rolling machine shaft thread processing, the assembly holes 10 provided on the side plate one 2 and side plate two 3 of the base frame are arranged on the rear part of the shaft thread processing support mounted on the thread rolling machine workbench , the front support plate of the shaft thread processing support is located between the two thread rolling wheels of the thread rolling machine, one end of the long axis is placed on the top of the front support plate of the shaft thread processing support, and the other end of the long axis is placed on the thread rolling machine shaft Between the arc-shaped groove 7 of the limit block 5 of the thread processing limit device and the baffle plate 9, the movable positioning plate 1 of the L-shaped plate structure is inserted into the positioning groove 13 provided on the other side of the limit block 5, At this time, the rear end of the major axis is limited between the arc-shaped groove 7 of the limit block 5 and the baffle plate 9, thus ensuring the accuracy of the radial position of the major axis, thereby ensuring the accuracy of thread processing. The two rotating thread rolling wheels of the thread rolling machine perform thread rolling on the shaft head at one end of the long shaft. After the thread processing on the shaft head of the long shaft is completed, the movable positioning plate 1 of the L-shaped plate structure is rotated to make the L-shaped plate The movable positioning plate 1 of the structure breaks away from the positioning groove 13 provided on the other side of the limiting block 5, and the long axis is manually taken out from the arc-shaped groove 7 of the front support plate and the limiting block 5.

Claims (5)

1. a kind of screw-rolling machine axle thread processes stopping means, it is characterised in that：Contain pony sill, limited block, movable positioning plate, pin Axle, spring one and spring two；Pony sill contains side plate one, side plate two and baffle plate, and one end of side plate one and side plate two is set respectively In the both sides of baffle plate, parallel between side plate one and side plate two and reservation spacing, side plate one and side plate two are set close to the top of baffle plate Jagged, the breach surrounds a U-shaped opening with baffle plate, and the top of side plate one and side plate two away from baffle plate is respectively equipped with level and opened It is respectively equipped with pin-and-hole among the top of mouthful groove, side plate one and side plate two, the middle part of side plate one and side plate two is respectively equipped with pilot hole； Limited block is slab structure, and the center of limited block is provided with through hole, and bearing pin is installed and is fixed in the through hole, and the side of limited block is set There is circular groove, the opposite side of limited block is provided with locating slot；The both ends of bearing pin are installed on the side plate one and side plate two respectively Top among in the pin-and-hole that is respectively equipped with；Movable positioning plate is L shaped plate structure, one end of the movable positioning plate of L shaped plate structure Form in the horizontal opening groove being provided with the side plate one and with horizontal opening groove and be rotatablely connected；One end of spring one is arranged on The bottom of limited block opposite side, the other end of spring one are arranged on the bottom of baffle plate；One end of spring two is arranged on L shaped plate structure Movable positioning plate middle part, the other end of spring two is arranged on side plate two.

A kind of 2. screw-rolling machine axle thread processing stopping means according to claim 1, it is characterised in that：The limited block The top for the locating slot that opposite side is provided with is arcuate structure.

A kind of 3. screw-rolling machine axle thread processing stopping means according to claim 1, it is characterised in that：At the limited block When horizontality, the following top for being longer than circular groove for the circular groove that the side of limited block is provided with.

A kind of 4. screw-rolling machine axle thread processing stopping means according to claim 3, it is characterised in that：The baffle plate it is upper End is while be provided with arcuate structure.

A kind of 5. screw-rolling machine axle thread processing stopping means according to claim 1, it is characterised in that：The pony sill An overall structure is made in side plate one, side plate two and baffle plate.