CN111992638B

CN111992638B - Wire folding device for piston ring

Info

Publication number: CN111992638B
Application number: CN202010897313.7A
Authority: CN
Inventors: 朱子麟; 朱云成; 赵文飞
Original assignee: Anqing Haiweier Machinery Co ltd
Current assignee: Anqing Haiweier Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2023-02-17
Anticipated expiration: 2040-08-31
Also published as: CN111992638A

Abstract

The invention relates to the field of automatic production of piston ring processing, in particular to a wire folding device for a piston ring, which comprises a C1 wire folding movable unit and a C2 wire folding movable unit, wherein the C2 wire folding movable unit is movably arranged on a D cylinder along the body length direction of the D cylinder, the C1 wire folding movable unit is movably arranged on the C2 wire folding movable unit along the radial direction of the D cylinder, the C2 wire folding movable unit is connected with an axial adjusting unit for adjusting the C2 wire folding movable unit to move along the body length direction of the D cylinder, the C1 wire folding movable unit is connected with a radial adjusting unit for adjusting the C1 wire folding movable unit to move along the radial direction of the D cylinder, a C wire guiding part is arranged on the C1 wire folding movable unit, a D wire guiding part is arranged on the D cylinder, the groove depth direction of a C, D wire guiding part is consistent with the radial direction of the D cylinder, and a notch of a C, D wire guiding part is in an open shape and extends to the outer peripheral part of the C1 wire folding movable unit to enable the inner wire to be turned over for avoiding when the inner wire of C, D portion is bent. This mechanism can fold the silk automatically, buckles into U type cladding piston ring cylinder with straight strip iron wire, has avoided manual operation, accords with automated production's requirement, has improved production efficiency.

Description

Wire folding device for piston ring

Technical Field

The invention relates to the field of automatic production of piston ring machining, in particular to a wire folding device for a piston ring.

Background

The piston ring needs to be quenched in the machining process so as to improve the performance of the piston ring, and because the thickness of the piston ring is small, the piston ring needs to be prevented from being heated and deformed in the heat treatment process so as to improve the yield. At present, iron wires are adopted to bend, wrap, tie and fix piston ring cylinders, but the operation needs manual treatment and has low efficiency. It is therefore desirable to provide an automated wire crimper for piston rings.

Disclosure of Invention

The invention aims to provide a wire folding device for a piston ring, which can automatically fold a wire and bend a straight strip-shaped iron wire into a U-shaped wrapped piston ring cylinder.

The technical scheme adopted by the invention is as follows:

the utility model provides a roll over a device for piston ring, including C1 activity unit and C2 activity unit that rolls over a silk, C2 activity unit that rolls over a silk installs on the D cylinder along the body length direction movable mounting of D cylinder, C1 activity unit that rolls over a silk installs on C2 activity unit that rolls over a silk along the radial activity of D cylinder, C2 activity unit that rolls over a silk is connected with the axial regulating unit who adjusts its removal along the body length direction of D cylinder, C1 activity unit that rolls over a silk is connected with the radial regulating unit who adjusts its radial displacement along the D cylinder, be provided with C seal wire portion on the C1 activity unit that rolls over a silk, be provided with D seal wire portion on the D cylinder, C, D seal wire portion's groove depth direction is unanimous with the radial of D cylinder, C, D seal wire portion's notch is uncovered form and extends to C1 activity unit's periphery and turns over when being C, D interior iron silk of seal wire and bending and dodges.

Preferably, the C1 wire folding movable units are arranged along the circumferential direction of the D column, and each C1 wire folding movable unit is correspondingly arranged corresponding to the C2 wire folding movable unit.

Preferably, the C1 wire folding movable unit is slidably mounted on the C2 wire folding movable unit, the C1 wire folding movable unit includes two wire folding sliding blocks and a C guide groove arranged along the sliding direction of the C1 wire folding movable unit, the end portions of the two wire folding sliding blocks near the center of the D column are connected with the groove wall of the C guide groove, and the groove cavity of the C guide groove forms the C wire guiding portion.

Preferably, the wire folding sliding block is provided with a D1 rack portion arranged along the sliding direction of the wire folding sliding block, and the radial adjusting unit is in transmission connection with the D1 rack portion to adjust the wire folding sliding block to move.

Preferably, the tooth width direction of the D1 rack portion is perpendicular to the body length direction of the D column body, the D1 rack portion is arranged on the side face, close to the D2 end of the D column body, of the wire folding sliding block, the C1 wire folding movable unit is installed at the D1 end of the D column body, and the D1 end and the D2 end are two ends of the D column body.

Preferably, C2 book silk movable unit includes and constitutes sliding fit's B moving part with the D axis body, is provided with the D vacancy portion of rectangular shape on the B moving part, D vacancy portion and D seal silk portion arrange correspondingly, book silk sliding block slidable mounting is on the B moving part, be provided with on the B moving part with D1 rack portion matched with D1 gear, the side of D1 gear is provided with the D2 gear, radial regulation unit includes radial adjustment piece, radial adjustment piece is along the length direction slidable mounting of D cylinder on the B moving part, D1, D2 gear drive connects, be provided with on the radial adjustment piece with D2 gear engaged with D2 rack portion, D2 rack portion arranges along the length direction of D cylinder.

Preferably, the D1 and D2 gears are in coaxial transmission connection.

Preferably, the C1 wire folding movable units and the radial adjusting units are arranged at intervals along the circumferential direction of the D column, two D2 rack parts are arranged on the radial adjusting piece, and the two D2 rack parts are respectively in transmission connection with the D1 rack parts arranged on the adjacent wire folding sliding blocks on the two C1 wire folding movable units on the outer sides of the two D2 rack parts.

Preferably, each B movable piece is installed on the A movable sleeve, the A movable sleeve is installed on the D sliding seat, the D sliding seat is installed on the machine frame in a sliding mode, and the A movable sleeve is connected with the axial adjusting cylinder.

Preferably, each radial adjusting part is connected with the movable sleeve B, the movable sleeve B is installed on the movable sleeve A, the sliding seat D is provided with a radial adjusting cylinder, and the radial adjusting cylinder adjusts the radial adjusting part to move relatively to the movable part B along the length direction of the cylinder D.

Preferably, an end of the C guide groove far away from the D2 end of the D cylinder is provided with a C1 wire folding guide groove, and the C1 wire folding guide groove is arranged along the sliding direction of the C1 wire folding movable unit.

Preferably, a C2 wire folding guide groove is arranged on the surface, close to the center of the D column, of the groove bottom of the C guide groove, and the C2 wire folding guide groove is arranged along the length direction of the D column.

Preferably, the D cylinder includes D1, D2, D3 shaft segments that arrange in proper order along D direction, and the D direction is the direction that D1 pointed to D2 end, and the external diameter of D2 shaft segment is less than the external diameter of D3 shaft segment, and the external diameter of D3 shaft segment matches with the external diameter of piston ring, and C1 activity broken filament unit corresponds D2 shaft segment and arranges, is equipped with B restriction subassembly on the D1 shaft segment.

The invention has the technical effects that:

this mechanism can fold the silk automatically, buckles into U type cladding piston ring cylinder with straight strip iron wire, has avoided manual operation, accords with automated production's requirement, has improved production efficiency.

Drawings

Fig. 1 is a schematic view of a piston ring binding apparatus;

FIG. 2 is a schematic view of a discharge device of the piston ring binding apparatus;

FIG. 3 is a front view and axial schematic view of the discharge apparatus;

FIG. 4 is a schematic axial view of two different embodiments of the receiving section of the discharge device;

FIG. 5 is a schematic view of a forming device of the piston ring wire binding apparatus;

FIG. 6 is a schematic view showing a wire folding device for a piston ring of a forming device of the piston ring wire binding apparatus;

FIG. 7 is a schematic view of the A cylinder and B restriction assembly of the wire folding device for a piston ring;

FIG. 8 is a schematic structural view of a B restriction assembly;

FIG. 9 is a cross-sectional view of a piston ring cylinder being sleeved on a wire folding device for a piston ring;

FIG. 10 is a cross-sectional view of a wire folding device for a piston ring during wire laying by the wire laying mechanism;

fig. 11 is a sectional view of a wire folding unit of a wire folding device C1 for a piston ring, when folding an iron wire into an L-shape;

fig. 12 is a sectional view of a wire folding unit of a wire folding device C1 for a piston ring when folding an iron wire into a U-shape;

FIG. 13 is a cross-sectional view of the wire crimper B for a piston ring after limiting rotation of the assembly;

FIG. 14 is a schematic structural diagram of the returning of the C1 wire folding unit;

FIG. 15 is a front view of a wire folding device for a piston ring;

FIG. 16 is a schematic structural diagram of a C1 wire folding unit;

FIG. 17 is a schematic structural diagram of a C2 wire folding unit;

FIG. 18 is a schematic view showing the arrangement of a wire distributing mechanism and a wire binding device of the apparatus for forming a wire binding for a piston ring;

FIG. 19 is a schematic structural view of a wire laying mechanism;

FIG. 20 is a schematic structural view of the wire binding mechanism A;

FIG. 21 is a schematic structural view of the wire clamping portion and the wire binding portion of the wire binding mechanism A;

FIG. 22 is a front view of a wire laying block of the wire laying mechanism;

FIG. 23 is a schematic view of the wire laying block and the clamping adjustment mechanism of the wire laying mechanism;

FIG. 24 is an isometric view of the wire laying block and clamp adjustment mechanism of the wire laying mechanism.

The corresponding relation of all reference numbers is as follows:

1000-discharging device, 1100-feeding unit, 1110-guide chute, 1200-material transferring unit, 1210-material receiving part, 1211-material guiding section, 1212-material blocking section, 1220-rotating part, 2000-conveying device, 3000-forming device, 3100-A column, 3110-A wire guiding part, 3200-limiting mechanism, 3210-B limiting component, 3211-B wire guiding part, 3212-B blocking part, 3212a-B hollow part, 3300-piston ring column, 3310-piston ring sleeve, 3400-wire folding device for piston ring, 3410-C1 wire folding movable unit, 3411-C wire guiding part, 3411a-C1 wire folding guide groove, 3411B-C2 wire folding guide groove, 3412-wire folding sliding block, 3412a-D1 rack part, 3420-wire folding adjusting mechanism, 3412-wire folding adjusting mechanism 3421-C2 wire folding movable unit, 3421a-B movable member, 3421a1-D vacancy portion, 3422-D1 gear, 3423-D2 gear, 3430-axial adjusting unit, 3431-A movable sleeve, 3432-D slide carriage, 3433-axial adjusting cylinder, 3440-radial adjusting unit, 3441-radial adjusting member, 3442-B movable sleeve, 3443-radial adjusting cylinder, 3500-D column, 3510-D outer shaft sleeve, 3520-D inner shaft sleeve, 3530-D column core, 3600-D1 support, 3610-D rack, 3700-D2 support, 4000-wire binding device, 4100-A wire binding mechanism, 4110-A wire clamping portion, 4111-A wire clamping member, 4120-A wire binding portion, 4121-A wire binding member, 4130-A wire binding adjusting member, 4131-wire binding movable block, 4132-wire binding adjusting shaft, 4133-wire binding adjusting sleeve, 4200-B wire binding mechanism, 4210-gathering part, 4211-A gathering part, 4212-B gathering part, 4220-B wire binding part, 5000-wire laying mechanism, 5100-wire laying block, 5110-A1 hole, 5120-A2 hole, 5200-A2 clamping part, 5300-clamping adjusting mechanism and 5400-wire laying mounting seat.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 1 to 24, an embodiment of the present invention provides a forming apparatus 3000 of a piston ring bundling wire, including an a-cylinder 3100 to be inserted into a piston ring cylinder 3300 assembly, a limiting mechanism 3200 for limiting the piston ring cylinder 3300 assembly provided at both ends of the a-cylinder 3100, a wire arrangement mechanism 5000 for arranging a wire provided at an outside of an a1 end of the a-cylinder 3100, a wire folding device 3400 for a piston ring provided with a folded wire provided at an outside of an a2 end of the a-cylinder 3100, an a wire guide portion 3110 provided on an outside wall of the a-cylinder 3100, the a wire guide portion 3110 arranged along a length direction of the a-cylinder 3100, the wire arrangement mechanism 5000 arranging a wire along an a wire guide groove such that an end of the wire extends to an outside of the a2 end of the a-cylinder 3100, the wire folding device 3400 for a piston ring bending the wire outside of the a2 end into a U-shaped wire member, the piston ring cylinder 3300 assembly provided in a pipe wall of the U-cylinder 3100, the outside of the a1 end of the a-cylinder 3100, and the two wire folding devices 3300 and 4000 a bundling wire arrangement of the piston ring cylinder 3300 and the two piston ring cylinder 3300 assemblies are arranged in a code-shaped cylinder 3302 and a code sections of the two piston ring cylinder 3300. This forming device 3000 can carry out automatic bundling to the piston ring cylinder 3300 who arranges, and cloth silk earlier makes the iron wire pass piston ring cylinder 3300 inboard, and the silk is rolled over into the U type with the iron wire again, screws up fixed piston ring cylinder 3300 by bundling device 4000 at last, avoids it to produce deformation when quenching treatment, and the device has avoided manual operation, has improved efficiency.

As shown in fig. 6, the piston ring post 3300 further includes two protection rings respectively disposed at two ends, and the piston rings are disposed between the two protection rings, and the inner and outer diameters of the protection rings are identical to those of the piston rings. The purpose of the piston ring sleeve 3310 is to compress the piston ring post 3300 and prevent it from deforming during the quenching process.

As shown in fig. 7, the a-guide grooves are provided at intervals on the outer side wall of the a-cylinder 3100 along the circumferential direction of the a-cylinder 3100. The purpose of the A-cylinder 3100 guide channel is to guide the wire through the piston ring. And because the piston ring column 3300 can be better fixed by bundling a plurality of iron wires with the iron wire to bundle the piston ring column 3300 respectively, a plurality of wire guide grooves are arranged at intervals.

As shown in fig. 7 and 8, the restriction mechanism 3200 includes a B restriction assembly 3210 located at an end of the a column 3100a2, the B restriction assembly 3210 is provided with a B guide wire portion 3211, the a and B guide wire portions 3211 are arranged along the length, a B blocking portion 3212 is provided at the periphery of the B guide wire portion 3211, the B blocking portion 3212 is movably mounted on the B blocking portion 3212, a wire folding device 3400 for the piston ring folds the iron wire from the B2 end of the B restriction assembly 3210 into a U-shaped iron wire, and the B2 end is an end of the B restriction assembly 3210 arranged farther from the a2 end. The purpose of setting up B restriction subassembly 3210 is to make the iron wire length have certain surplus when bending into the U type, convenient follow-up tying up at the iron wire tip.

As shown in fig. 8, the B-limiting assembly 3210 includes a limiting ring rotatably mounted, a B gap 3212a is disposed on an outer side wall of the limiting ring, a B through hole penetrating through the limiting ring is disposed on the limiting ring, the B through hole forms the B wire guiding portion 3211, the B wire guiding portion 3211 and the B gap 3212a are disposed at intervals along a circumferential direction of the ring, and a communication channel is disposed between the B wire guiding portion 3211 and the B gap 3212a, and the communication channel enables an iron wire segment at the B wire guiding portion 3211 to move to the B gap 3212 a. The through hole B is provided to allow an iron wire to pass through, and the gap portion 3212a is provided to allow the iron wire to be bent with a certain margin, so that the wire distributing mechanism 5000 can pull the iron wire to move from the gap portion 3212a to the end portion of the piston ring cylinder 3300, and then tie up the iron wire.

As shown in fig. 6, the outer diameter of the ring corresponds to the outer diameter of the piston ring. The outer diameter of the ring-shaped member is identical to that of the piston ring in order to prevent the wire from being conveyed when the C1 wire folding movable unit 3410 folds the wire in the length direction of the piston ring cylinder 3300.

As shown in fig. 9 and 10, the wire folding device 3400 for a piston ring includes a C1 wire folding movable unit 3410 arranged along the B limiting assembly 3210, the C1 wire folding movable unit 3410 is movably mounted along the radial direction of the a column 3100 and the axial direction of the a column 3100, a C wire guiding portion 3411 is provided on the C1 wire folding movable unit 3410, the C1 wire folding movable unit 3410 is connected to a wire folding adjusting mechanism 3420, the wire folding adjusting mechanism 3420 adjusts the C1 wire folding movable unit 3410 to be in the following C1, C2, and C3 states, where the C1 state is: A. 5363 and a wire guide portion 3411 of B, C is arranged in a straight-line manner to guide and receive iron wires distributed by the wire distribution mechanism 5000, and the state C2 is as follows: the C wire guide 3411 moves to the outside of the B wire guide 3211 to bend the wire into an L-shaped wire; the C3 state is: the C-shaped wire 3411 is moved toward the a1 end of the a-pillar 3100 to bend the L-shaped iron wire into a U-shaped iron wire. The C1 wire-folding active unit 3410 folds the iron wire into an L shape along the radial direction of the a-cylinder 3100, and then folds the iron wire into a U shape along the axial direction of the a-cylinder 3100.

As shown in fig. 6, the A, B, C guide wire portions 3411 are provided at three sets at intervals in the circumferential direction of the a cylinder 3100. This embodiment uses three sets of iron wires to bundle the piston ring cylinder 3300.

As shown in fig. 9 to fig. 15, the wire folding adjusting mechanism 3420 includes a C2 wire folding active unit 3421 movably mounted along the length direction of the a column 3100, the C2 wire folding active unit 3421 is connected to the axial adjusting unit 3430, the C1 wire folding active unit 3410 is movably mounted on the C2 wire folding active unit 3421 along the radial direction of the a column 3100, the C1 wire folding active unit 3410 is connected to a radial adjusting unit 343100 for adjusting the C1 wire folding active unit 3410 to move along the radial direction of the a column 3100, and the axial adjusting unit 3430 and the radial adjusting unit 3440 adjust the states of the C2 wire folding active unit 3421 and the C1 wire folding active unit 3410. In this embodiment, the C1 wire folding movable unit 3410 is moved radially by the radial adjusting element 3441, and then is driven by the C2 wire folding movable unit 3421 to move axially.

As shown in fig. 9 to 15, the forming device 3000 for a piston ring binding wire further includes a D-pillar 3500, a D-wire guiding portion is provided on the D-pillar 3500, and when in a C1 state: A. b, C, D wire sections are arranged in a antegrade manner. A D column 3500 is arranged, and a C1 silk folding movable unit 3410 and a C2 silk folding movable unit 3421 are arranged on the D column 3500.

As shown in FIG. 6, B limiting assembly 3210 is mounted to the D1 end of D-post 3500, the D1 end being the end of D-post 3500 that is adjacent to A-post 3100. In this embodiment, the B-limiting component 3210 needs to be tightly attached to the piston ring cylinder 3300, so that allowance for iron wires can be conveniently reserved.

As shown in fig. 9 to 15, the a-cylinder 3100 is connected to the B-restricting member 3210, and the a-cylinder 3100 is formed of an inflatable shaft. The air shaft is used to facilitate the up and down movement of the piston ring post 3300. In this embodiment, the a-cylinder 3100 is inserted into the piston ring cylinder 3300 on the transfer device 2000, and the a-cylinder 3100 is inflated to lift the piston ring cylinder 3300.

As shown in fig. 8, the limiting ring includes a limiting inner ring and a limiting outer ring, the limiting outer ring is composed of arc limiting members arranged along the circumferential direction of the limiting inner ring at intervals, the gap between adjacent arc limiting members forms the B gap 3212a, B through holes are arranged on the inner arc surface of the arc limiting members, the area between the arc limiting members and the limiting inner ring forms the communication channel, and the arc limiting members or the limiting inner ring are rotatably mounted. In this embodiment, the iron wire passes through the B through hole during the wire laying, and the C1 wire folding movable unit 3410 folds the wire, and after the iron wire is folded into a U shape, the restriction ring rotates, and the iron wire reaches the gap portion through the communicating channel, and at this time, the U-shaped iron wire is pulled to make the iron wire closely adhere to the piston ring column 3300.

As shown in fig. 6 to 17, the present embodiment further provides a wire folding device 3400 for a piston ring, including a C1 wire folding movable unit 3410 and a C2 wire folding movable unit 3421, the C2 wire folding movable unit 3421 is movably mounted on the D column 3500 along the body length direction of the D column 3500, the C1 wire folding movable unit 3410 is movably mounted on the C2 wire folding movable unit 3421 along the radial direction of the D column 3500, the C2 wire folding movable unit 3421 is connected to an axial direction adjusting unit 3430 that adjusts the movement thereof along the body length direction of the D column 3500, the C1 wire folding movable unit 3410 is connected to a radial direction adjusting unit 3440 that adjusts the movement thereof along the radial direction of the D column 3500, the C1 wire folding movable unit 3410 is provided with a C guide wire 3411, the D guide wire section is provided on the D column 3500, the groove depth direction of the guide wire section of 3236 zft 3236 is consistent with the radial direction of the D column 3500, and the outer periphery of the guide wire 3763 of the opening of the 5262 zft 5262 wire is folded and extends to the outer periphery of the C1 wire folding movable unit 34163 to be an inner periphery of the turning iron bending section 3763. This mechanism can fold the silk automatically, will straighten strip iron wire and buckle into U type cladding piston ring cylinder 3300, has avoided manual operation, raises the efficiency.

As shown in fig. 6 to 11, the C1 folding activity units 3410 are arranged along the circumferential direction of the D-column 3500, and each C1 folding activity unit 3410 is arranged corresponding to a C2 folding activity unit 3421. The arrangement of the C1 wire folding activity units 3410 corresponding to the C2 wire folding activity units 3421 is for the convenience of the C2 wire folding activity units 3421 to adjust the movement of the C1 wire folding activity units 3410 in the radial direction and the axial direction of the piston ring.

As shown in fig. 9, 10 and 17, the C1 folding motion unit 3410 is slidably mounted on the C2 folding motion unit 3421, the C1 folding motion unit 3410 includes two folding slide blocks 3412 and a C guide groove arranged along the sliding direction of the C1 folding motion unit, an end of the two folding slide blocks 3412 near the center of the D column 3500 is connected to a groove wall of the C guide groove, and a groove cavity of the C guide groove forms the C guide wire portion 3411. The groove cavity of the C guide groove is set to be the C guide wire portion 3411, so that the subsequent wire folding is facilitated.

As shown in fig. 17, a D1 rack 3412a is provided on the wire folding slider 3412 along the sliding direction thereof, and the radial adjustment unit 3440 is connected to the D1 rack 3412a in a driving manner to adjust the movement of the wire folding slider 3412. The radial adjusting unit 3440 adjusts the wire folding slider to move radially through the rack part, and the rack and pinion structure is stable and convenient to use.

As shown in fig. 17, the tooth width direction of the D1 rack 3412a is perpendicular to the body length direction of the D column 3500, the D1 rack 3412a is provided on the side surface of the wire folding slider 3412 disposed near the D2 end of the D column 3500, the D1 end of the D column 3500 is provided with the C1 wire folding movable unit 3410, and the D1 and D2 ends are both ends of the D column 3500. Positioning the D1 rack 3412a on the side of the wire folding slide 3412 that is disposed near the end of the D cylinder 3500D2 facilitates adjustment of the radial adjustment mechanism.

As shown in fig. 9, the C2 wire folding movable unit 3421 includes a B movable element 3421a in sliding fit with the D shaft body, a long D hollow 3421a1 is provided on the B movable element 3421a, the D hollow 3421a1 is disposed corresponding to the D wire guiding portion, a wire folding sliding block 3412 is slidably mounted on the B movable element 3421a, a D1 gear 3422 matched with the D1 rack 3412a is provided on the B movable element 3421a, a D2 gear is disposed beside the D1 gear 3422, the radial adjustment unit 3440 includes a radial adjustment member 3441, the radial adjustment member 3441 is slidably mounted on the B movable element 3421a along the length direction of the D column 3500, the D1 and D2 gears are connected, a D2 rack engaged with the D2 gear is provided on the radial adjustment member 3441, and the D2 rack is disposed along the length direction of the D column 3500. The gap is provided in the B moving member 3421a to facilitate bending from the gap when the wire is folded. In this embodiment, the radial adjusting element 3441 is moved to drive the D2 gear through the D2 rack portion, the D1 and D2 gears are in transmission connection, and then the D1 gear is in transmission connection with the D1 rack portion 3412a on the wire folding slider, so that the C1 wire folding movable unit 3410 is moved radially.

As shown in FIG. 15, the gears D1 and D2 are in coaxial transmission connection, and are in coaxial connection, so that the device is simple and convenient.

As shown in fig. 9 and 10, the C1 folding motion units 3410 and the radial direction adjustment units 3440 are provided at intervals in the circumferential direction of the D-column 3500, two D2 rack portions are provided in the radial direction adjustment member 3441, and the two D2 rack portions are respectively connected in transmission with the D1 rack portions 3412a provided in the adjacent folding slide blocks 3412 of the two C1 folding motion units 3410 on the outer side thereof. In this embodiment, one end of the radial adjusting element 3441 close to the C1 wire folding movable unit 3410 is divided into three parts, each of the three parts has a rack portion at both circumferential ends, and the gap between the two adjacent parts is for avoiding a folded iron wire.

As shown in FIG. 9, each of the B movable members 3421a is mounted at the end of an A movable sleeve 3431, the A movable sleeve 3431 is mounted on a D sliding base 3432, the D sliding base 3432 is slidably mounted on the frame, and the A movable sleeve 3431 is connected to an axial adjusting cylinder 3433. In this embodiment, the axial adjustment cylinder 3433 drives the a movable sleeve 3431, the a movable sleeve 3431 drives the B movable member 3421a, so that the B movable member 3421a drives the C1 wire folding movable unit 3410 to move axially, and the L-shaped wire is bent into a U-shape.

As shown in fig. 9 to 11, each radial adjustment member 3441 is connected to a B movable sleeve 3442, the B movable sleeve 3442 is mounted on the a movable sleeve 3431, a radial adjustment cylinder 3443 is disposed on the D slide base 3432, and the radial adjustment cylinder 3443 adjusts the radial adjustment member 3441 to move relative to the B movable member 3421a along the length direction of the D column 3500. In this embodiment, the radial adjusting cylinder 3443 drives the C1 wire folding unit 3410 to move radially through the radial adjusting element 3441, so as to fold the wire into an L shape.

As shown in fig. 9, the end of the C guide groove far from the end of D column 3500D2 is provided with C1 folding guide groove 3411a, and C1 folding guide groove 3411a is arranged along the sliding direction of C1 folding movable unit 3410. The arrangement is to facilitate bending of the iron wire.

As shown in fig. 16, C2 folding guide grooves 3411b are provided on the surface of the bottom of the C guide groove near the center of the D column 3500, and the C2 folding guide grooves 3411b are arranged along the length direction of the D column 3500. This arrangement is for the convenience of the C1 wire folding movable unit 3410 initially receiving the wire fed from the wire guide portion 3211 of A, B.

As shown in fig. 6 to 17, the D cylinder 3500 includes D1, D2, and D3 shaft segments sequentially arranged along the D direction, the D direction is the direction in which the D1 end points to the D2 end, the outer diameter of the D2 shaft segment is smaller than the outer diameter of the D3 shaft segment, the outer diameter of the D3 shaft segment matches with the outer diameter of the piston ring, the C1 movable wire folding unit is arranged corresponding to the D2 shaft segment, and the D1 shaft segment is provided with a B limiting component 3210. The reason why the outer diameter of the d2 shaft section is smaller than that of the d3 shaft section is to install the C1 wire bending activity unit 3410, and the reason why the outer diameter of the d3 shaft section is matched with that of the piston ring is to facilitate the axial movement of the C1 wire bending activity unit 3410.

As shown in fig. 9 and 10, the D cylinder includes a D outer sleeve 3510, a D inner sleeve 3520 and a D cylinder core 3530 which are concentrically arranged, the D inner sleeve 3520 is located between the D outer sleeve 3510 and the D cylinder core 3530, two ends of the D inner sleeve 3520 extend to the outer sides of two ends of the D outer sleeve 3510, two ends of the D cylinder core 3530 extend to the outer sides of two ends of the D inner sleeve 3520, the D outer sleeve 3510 is a reducer sleeve and forms the D2 and D3 shaft sections, the D inner sleeve 3520 extends to the outer side of the D outer sleeve 3510 and forms the D1 shaft section near the end of the a shaft body, the B limiter assembly is fixedly mounted on the D inner sleeve 3520, the other end of the D inner sleeve 3520 is provided with a D inner sleeve 3520 adjusting gear, an adjusting gear of a D inner shaft sleeve 3520 is connected with an adjusting component of the D inner shaft sleeve 3520, an A movable sleeve is slidably mounted on a D outer shaft sleeve 3510, a B movable sleeve is slidably mounted on the A movable sleeve, a radial adjusting cylinder is mounted between A, B movable sleeves, the end, far away from an A cylinder, of the D outer shaft sleeve 3510 is fixed on a D1 support 3600, the end, far away from the A cylinder, of a D column core 3530 is fixed on a D2 support 3700, a D1 support 3700 and a D2 support 3700 are fixedly mounted on a D sliding seat 3432, the D sliding seat 3432 is slidably mounted on a rack along the body length direction of the D column core 3530, an axial adjusting cylinder is arranged between the A movable sleeve and the D1 support 3600, and the D sliding seat 3432 is connected with a D sliding seat adjusting cylinder.

As shown in fig. 9 and 10, the D-pillar core 3530 is detachably connected and engaged with the a-pillar, and the D-pillar core 3530 is hollow for supplying and exhausting air to and from the a-pillar. The adjusting assembly of the D inner shaft sleeve 3520 comprises a D rack 3610 meshed with an adjusting gear of the D inner shaft sleeve 3520 and a D rack 3610 cylinder driving the D rack 3610 to move.

As shown in fig. 18 to 21, the present embodiment further provides a wire binding apparatus 4000, which includes an a wire binding mechanism 4100, the a wire binding mechanism 4100 includes an a wire clamping portion 4110 and an a wire binding portion 4120, the a wire binding portion 4120 and the a wire clamping portion 4110 are movably mounted on the rack, the a wire binding portion 4120 is connected to the a wire binding adjustment portion, the a wire clamping portion 4110 is connected to the a wire clamping adjustment portion, the a wire clamping adjustment portion adjusts the a wire clamping portion 4110 to change between states A1 and A2, and the state A1: the A wire clamping part 4110 is positioned on the outer side of the wire outlet nozzle and avoids the wire outlet nozzle; state A2: the wire outlet nozzle moves towards the outer side of the end a1 far away from the A column body 3100 to draw an iron wire, and the wire clamping part 4110A clamps an iron wire section on the iron wire close to the limiting component A; the a binding wire adjusting part adjusts the a binding wire part 4120 to change between the B1 state and the B2 state, the B1 state: the A wire binding part 4120 is positioned at the outer side of the wire outlet nozzle and avoids the wire outlet nozzle; b2 state: the a binding portion 4120 holds the wire section outside the a thread clamping portion 4110 in the A2 state, and when the a thread clamping portion 4110 is turned to the A1 state, the a binding portion 4120 turns to tighten the end of the wire by turning. The device can prick the silk automatically, will buckle into the curved both ends of iron wire of U type and tie up, has avoided manual operation, accords with automated production's requirement, has improved production efficiency.

As shown in fig. 20 and 21, the a wire clamping part 4110 is composed of two a wire clamping members 4111, the two a wire clamping members 4111 are connected with a jaw adjusting member, and the jaw adjusting member adjusts the two wire clamping members to approach and separate from each other. The wire clamping part A4110 is simple in structure and convenient to use, and is used for clamping an iron wire extending to the outer side of the end part of the piston ring cylinder 3300.

As shown in fig. 20 and 21, the a clipping portion 4110 is mounted on an a clipping seat, the a clipping seat is slidably mounted on the frame along the radial direction of the a column 3100, and the a clipping opening adjusting piece is mounted on the a clipping seat. The purpose of this arrangement is to make the wire clamping portion 4110 a capable of avoiding the iron wire.

As shown in fig. 21, the a binding wire part 4120 is composed of two a binding wire pieces 4121, the two a binding wire pieces 4121 are connected with the binding adjusting piece, the binding adjusting piece adjusts the two binding wire pieces to approach to and separate from each other, the two a binding wire pieces 4121 are rotatably installed on the binding installation seat, the binding installation seat is provided with a binding driving piece, the binding installation seat is slidably installed on the frame, and the a binding wire adjusting part is connected with the binding installation seat. The wire fastening part 4120 is provided with a fastening driving member because both ends of the iron wire need to be clamped first and also need to be rotated for fastening.

As shown in fig. 21, two a binding members 4121 are arranged along the body length direction of the a-pillar 3100, the end portion of the two a binding members 4121 close to the end of the a-pillar 3100A1 is provided with a clamping portion, the other end of the two a binding members 4121 is rotatably mounted and provided with A1-segment tooth portion at the end portion, the two A1-segment tooth portions are respectively in transmission engagement with rack portions provided at both sides of a binding adjustment rack, the binding adjustment rack portion is connected with a binding adjustment shaft 4132, the binding adjustment shaft 4132 is slidably mounted in a binding adjustment sleeve 4133, the binding adjustment sleeve 4133 is rotatably mounted and connected with a binding driving member, the other end of the binding adjustment shaft 4132 is mounted on a binding movable block 4131, and the binding movable block 4131 is slidably mounted and connected with a binding cylinder. The wire binding adjusting sleeve 4133 can not only drive the wire binding adjusting shaft 4132 to rotate, but also move relative to the wire binding adjusting shaft 4132 in the axial direction.

As shown in fig. 20 and 21, the two a wire clamping members 4111 are arranged along the radial direction of the a column 3100, the end portions of the two a wire clamping members 4111 away from the center of the a column 3100 are rotatably mounted and provided with A2-segment toothed portions, the two A2-segment toothed portions are respectively in transmission engagement with rack portions provided on both sides of a wire clamping adjustment rack, and the wire clamping adjustment rack portions are connected with a wire clamping cylinder. The transmission matching structure of the sector gear and the rack is simple.

As shown in fig. 18, the piston ring bundling machine further includes a B-bundling mechanism 4200 for gathering and bundling the ends of the respective wires after the piston ring cylinder is circumferentially bundled. In this embodiment, the wire tying mechanism 4200 needs to tie three iron wires tied by the wire tying mechanism 4100 a for the second time, and the three wires are combined into one wire.

As shown in fig. 18, the B-binding mechanism 4200 includes a gathering portion 4210 for gathering the end portions of the bound wire toward the middle, and a B-binding portion 4220 for clamping and rotating the end portions of the gathered wire. The method of gathering three iron wires and then binding the wires is simple and efficient.

As shown in fig. 18, the gathering portion 4210 includes A, B gathering members 4212, the a gathering member 4211 includes two semicircular members, the semicircular members are slidably mounted along the radial direction of the a column 3100, the two semicircular members are close to each other to form a complete circle for gathering the end iron wires bundled by the a bundling mechanisms 4100 in a first stage, the B gathering member 4212 includes a conical cover member, the conical cover member is movably mounted along the axial direction of the a column 3100, the inner diameter of the end portion of the conical cover member close to the a column 3100 is larger than that of the other end portion, the B gathering member 4212 gathers the end iron wires gathered in the first stage in a second stage, and the B bundling member 4220 bundles the end portions of the iron wires gathered in the second stage. Three iron wires are arranged along the circumferential direction of the piston ring cylinder 3300, so that the semicircular A gathering piece 4211 is selected for gathering, and then secondary gathering is carried out through the cone cover piece, so that the structure is simple, and the use is convenient.

As shown in fig. 18, the A, B binding mechanism 4200 is mounted on the binding wire bracket, the binding wire bracket is movably mounted on the frame, the binding wire bracket is connected with the binding wire adjusting mechanism, and the binding wire adjusting mechanism adjusts the a/B binding wire mechanism 4200 to be arranged corresponding to the end of the a column 3100. A. The B wire binding mechanism 4200 is arranged on the wire binding bracket, so that the structure is reasonable, and the space is saved.

As shown in fig. 18, 22 and 23, the present embodiment further provides a wire distributing mechanism 5000, which includes a wire distributing unit, the wire distributing unit includes a movably mounted wire distributing block 5100, the wire distributing block 5100 is provided with an A1 hole 5110 and an A2 hole 5120, the A1 hole 5110 is located inside the A2 hole 5120, the A1 hole 5110 is provided with an A1 clamping portion, the A2 hole 5120 is provided with an A2 clamping portion 5200, the A1 hole 5110 is used for allowing an iron wire to pass through for wire distribution, the hole wall of the A2 hole 5120 is provided with an a vacancy, the vacancy enables the other end of the iron wire when being bent into a U-shaped iron wire to fall into the A2 hole 5120 from the vacancy, the A1 and A2 clamping portions 5200 are connected to a clamping adjuster, and the clamping adjuster is used for adjusting the A1 and A2 clamping portions to clamp two ends of the U-shaped element to pull the U-shaped element to move. The mechanism can automatically distribute wires, clamps and moves the bent U-shaped iron wires, avoids manual operation, meets the requirement of automatic production, and improves the production efficiency.

As shown in fig. 19, the wire distribution unit is provided with a wire cutting member for cutting the wire in the A1 hole 5110 or cutting the wire at the upper end of the A1 hole 5110. In this embodiment, the wire distributing mechanism 5000 guides the wire through the hole A1 5110, and cuts the wire cutting member after the iron wire is bent into a U shape.

As shown in fig. 19, a wire guide unit for guiding an iron wire is provided at the front end of the wire distribution unit.

As shown in fig. 19, the wire laying mechanism 5000 is composed of wire laying modules arranged at intervals along the circumferential direction of the a-cylinder 3100, and one wire laying module includes a group of wire guiding units and wire laying units. The wire distributing mechanism 5000 in this embodiment is composed of three wire distributing modules.

As shown in fig. 19, the yarn distributing mechanism 5000 is mounted on the yarn distributing mounting seat 5400, the yarn distributing mounting seat 5400 is slidably mounted along the hole length direction of the A1 hole 5110, and the yarn distributing mounting seat 5400 is connected with a yarn distributing adjusting component for adjusting the yarn distributing mechanism to move. The arrangement is convenient for the wire distributing mechanism 5000 to clamp and move the two ends of the U-shaped part.

As shown in fig. 22 and 23, the wire block 5100 is provided with a wire clamping movable member which is slidably mounted along the direction of the distance between the A1 hole and the A2 hole 5120, the wire clamping movable member is provided with an A1 clamping portion, and the clamping adjustment mechanism adjusts the movement of the A1 clamping portion to the outer side of the A1 hole 5110 to avoid the wire supply of the iron wire and moves to the hole center line of the A1 hole 5110 to clamp the iron wire in the A1 hole 5110. The two ends of the U-shaped iron wire piece are clamped conveniently, the structure is simple, and the use is convenient.

As shown in fig. 22 and 23, the A2 clamping portion 5200 is formed by two oppositely arranged clamping blocks which are slidably mounted, the sliding direction of the clamping blocks is perpendicular to the direction of the distance between the A1 and A2 holes, the surfaces of the adjacent ends of the two clamping blocks and the surfaces close to the A1 hole 5110 are provided with clamping teeth, the clamping adjusting mechanism 5300 includes a driving inclined surface which is arranged on the outer side of the end where the two clamping blocks are far away from each other and drives the driving inclined surface to slide, and the driving inclined surface adjusts the outer side of the clamping block which moves to the a gap to avoid the other end of the U-shaped iron wire falling into the A2 hole 5120 and moves to clamp the iron wire in the A2 hole 5120 towards the inside of the a gap. The inclined plane driving mode is simple in structure and reasonable in layout, and the iron wires in the A1 hole 5110 and the A2 hole 5120 can be clamped conveniently.

As shown in fig. 22 and 23, the A1 and A2 clamp portions 5200 have clamping teeth marks at the positions where they are in clamping contact with the iron wire. The two ends of the U-shaped iron wire piece are conveniently clamped by the clamping tooth marks, and the U-shaped iron wire piece is favorably and stably pulled.

The clamping adjusting mechanism is connected with the wire clamping cylinders respectively connected with the wire clamping moving parts. The cylinder driving structure is simple and stable. As shown in fig. 22 and 23, each wire-clamping movable member in the embodiment is connected to the annular member, and the radial movement of each wire-clamping movable member is adjusted through the axial movement of the annular member.

As shown in fig. 18, the cloth thread mounting seat 5400 is mounted on a cloth thread support which is slidably mounted on the frame in a direction perpendicular to the hole length direction of the A1 hole 5110. In this embodiment, 5000 wires need to be distributed by the wire distributing mechanism and then moved to avoid the wire binding device 4000 to bind wires.

As shown in fig. 1 to fig. 3, the present embodiment further provides a piston ring discharging device 1000, which includes a feeding unit 1100 for respectively supplying different materials A, B, a transferring unit 1200, a detecting unit, and a control unit, wherein the transferring unit 1200 is provided with a material receiving portion 1210, and the material receiving portion 1210 has two states of a1 and a2: a1: the material receiving part 1210 is positioned at a material receiving position and receives the material to be discharged, which is guided by the feeding device; a2: the material receiving part 1210 is at a material discharging position, and the received materials are arranged on the conveying belt; the detection unit detects the materials reaching the material receiving part 1210 and transmits signals to the control unit, the control unit controls the A, B feeding unit 1100 to feed, and the supplied materials to be discharged are ring-shaped pieces. The device can arrange scattered piston rings into the cylinder form to automatic row material, has avoided manual operation, accords with automated production's requirement, has improved production efficiency.

As shown in fig. 1 to fig. 3, in this embodiment, a A, B feeding unit 1100 feeds materials, the materials fall into a receiving portion 1210 correspondingly arranged below from a central space through a material guiding groove 1110, the receiving portion 1210 is movably installed on a rotating portion 1220, and then the rotating portion 1220 rotates to transfer the materials to a lateral conveying belt.

As shown in fig. 1 and 2, a material guide chute 1110 is arranged between discharge ports of the A, B feeding unit 1100, a vacant part is arranged in the middle of the chute, and materials to be discharged fall from the vacant part and enter the material transferring unit 1200. Select for use the vibration dish in proper order material loading in this embodiment, simple and convenient.

As shown in fig. 3, the receiving portion 1210 is formed by a rod body, and is disposed corresponding to the vacant portion of the material guiding chute 1110 to receive the material to be discharged. The rod body is selected to receive the material, so that the falling position of the material can be approximately ensured. As shown in fig. 3, the present embodiment may also be implemented using an inflatable shaft.

As shown in fig. 3, the rod body is divided into a material guiding section 1211 for guiding the material to be discharged to fall and a material stopping section 1212 for preventing the material to be discharged from falling off the rod body, and the size of the material stopping section 1212 is smaller than the size of the inner ring of the material to be discharged and is larger than the size of the material guiding section 1211. The material blocking section 1212 is provided to prevent the piston ring from falling off from the material receiving portion 1210 when the rotating portion 1220 rotates.

As shown in fig. 3, the material transferring device further includes a rotating portion 1220, the material receiving portion 1210 is movably assembled on the material transferring portion, and the rotating portion 1220 drives the material receiving portion 1210 to switch the material receiving portion 1210 between a1 state and a2 state. The receiving portion 1210 is movably installed so that the receiving portion 1210 can be drawn out of the piston ring cylinder 3300 and returns to an initial position after transferring the material to the conveyor belt.

As shown in fig. 3, one end of the material receiving portion 1210 is connected to an air cylinder, and the air cylinder drives the material receiving portion 1210 to reciprocate along the length direction of the rod body. The mode of adopting the cylinder drive is simple and reliable.

As shown in fig. 2, the control unit has two states A, B, the a state: the material receiving part 1210 is at a material receiving position, and the control unit controls the feeding device to work according to the received signal of the detection unit; and B state: the material receiving part 1210 is at a non-material receiving position, and the control unit controls the material loading device to stop working. This is because the material receiving portion 1210 is not located at the position corresponding to the vacant portion of the material guide chute 1110 when the rotating portion 1220 rotates, and the material feeding unit 1100 cannot feed the material.

As shown in fig. 2, the detection unit includes a detection element A1 and a detection element A2, the detection element A1 is disposed on the rotation portion 1220 to detect the position of the material receiving portion 1210, the detection element A1 has two states b1 and b2, b1, the material receiving portion 1210 is in the material receiving state, at this time, the control unit is in the state a, and the detection element A2 transmits a detection signal to the control unit; b2: the material receiving part 1210 is in a non-material receiving position, and the control unit is in a state B at the moment. The A1 detecting element that will detect the position of connecing material portion 1210 sets up on rotating part 1220, conveniently detects.

As shown in fig. 2, the A2 detecting element is disposed on the receiving portion 1210, and transmits three signals, i.e., a signal, B signal and c signal to the control unit by detecting the material height position of the material to be discharged, and when the material to be discharged is at the low position, the signal a is transmitted, and at this time, the control unit controls the feeding device a to feed, and the feeding device B stops; when the material to be discharged is in the middle position, a signal B is transmitted, the control unit controls the feeding device B to feed, and the feeding device A stops; and when the material to be discharged is at a high position, transmitting a signal c, controlling the feeding device A to feed by the control unit at the moment, and stopping the feeding device B. In this embodiment, the purpose of this arrangement is to arrange different materials at the two ends of the piston ring cylinder 3300.

As shown in fig. 2, the A2 detection unit may also be disposed beside the vacant part of the material guiding chute 1110, and transmit different signals to the control unit through counting, so as to control the A, B feeding device to feed materials in a certain sequence. The second way of installing the A2 detection unit is also provided in this embodiment, that is, installing counting sensors at two ends of the vacant part of the material guiding chute 1110, so that two ends of the piston ring column 3300 are piston ring protection sleeves.

As shown in fig. 1, the present embodiment further provides an automatic piston ring bundling apparatus, which includes a conveying device 2000 for conveying the piston ring cylinder 3300 assembly, a wire distributing device for distributing a wire onto the piston ring cylinder 3300 assembly is disposed on a conveying path of the conveying device 2000, a forming device 3000 for bending the distributed wire into a U-shaped wire so that a partial ring body of the piston ring is located in the U-shaped wire, and a wire binding device 4000 for bundling end portions of the U-shaped wire. The equipment is reasonable in layout, can automatically convey and bundle scattered piston rings, avoids manual operation, meets the requirement of automatic production, and improves the production efficiency.

As shown in fig. 1, upstream of the conveying device 2000, a discharge device 1000 is provided for arranging the piston rings and the guard rings as an assembly of piston ring cylinders 3300.

As shown in fig. 1, the conveying device 2000 is provided with positioning units at intervals for positioning the piston ring cylinder 3300 assembly, and the length direction of the piston ring cylinder 3300 assembly is perpendicular to the conveying direction of the conveying device 2000.

As shown in fig. 1, the positioning unit includes A, B positioning members arranged at intervals along the conveying direction of the conveying device 2000, A, B positioning support surfaces are arranged on the A, B positioning member, A, B positioning support surfaces are arranged in a V-shape, and the piston ring column 3300 assembly is arranged between A, B positioning support surfaces. The V-shaped supporting surface can effectively support the piston ring column 3300, and is simple and convenient.

As shown in fig. 1, a bundling station is disposed on a conveying path of the conveying device 2000, and a forming device 3000 is disposed on one outer side of the conveying device 2000 at the bundling station, and a wire distributing device and a wire binding device 4000 are disposed on the other outer side.

As shown in fig. 1, a discharging station is further disposed on the conveying path, the discharging station is located upstream of the bundling station, and a material arranging mechanism for arranging the piston ring cylinder 3300 assembly is disposed on the conveying path between the discharging station and the bundling station.

As shown in fig. 1, a wire binding holder is provided beside the conveyor 2000, the wire binding holder is slidably attached in the conveying direction of the conveyor 2000, and the wire binding device 4000 includes an a wire binding mechanism 4100 provided at each end of the wire binding holder and binding both ends of the U-shaped wire, and a B wire binding mechanism 4200 for gathering and binding the ends of the U-shaped wire bound by the a wire binding mechanism 4100.

As shown in fig. 1, the wire binding bracket is provided with a wire distribution mounting seat 5400, the wire distribution mounting seat 5400 is provided corresponding to the wire binding mechanism 4100 a, the wire distribution mounting seat 5400 is installed in a sliding manner along a direction perpendicular to the conveying direction of the conveying device 2000, and the wire distribution device is installed on the wire distribution mounting seat 5400. The purpose of the arrangement is to avoid the wire binding device 4000 after wire distribution is completed, and the wire binding device 4000 moves to a corresponding position to bind wires.

As shown in fig. 1, the forming device 3000 is slidably installed along the horizontal direction and the vertical direction perpendicular to the conveying direction of the conveying device 2000, the forming device 3000 is provided with an a cylinder 3100 for extending into the piston ring cylinder 3300 assembly conveyed on the conveying device 2000, and the wire binding device 4000 and the wire distributing device are arranged corresponding to the forming device 3000 at a high position.

A material pressing mechanism A arranged in a lifting mode is further arranged at the wire binding station.

The A material pressing mechanism consists of two inverted V-shaped A1 and A2 pieces.

As shown in fig. 6, the a-cylinder 3100 is an inflatable shaft body.

As shown in fig. 1, the end of the positioning unit at the bundling station near the forming device 3000 is open for insertion of the a-cylinder 3100 into the piston ring cylinder 3300 assembly, and the other end is provided with an abutment plate. This is provided to facilitate insertion of the molding device 3000 into the piston ring post 3300 to lift the piston ring post 3300.

As shown in fig. 1 to 24, the present embodiment provides a method for preventing deformation of a piston ring during quenching, which includes the following operations: the piston ring stacking and sorting device comprises a piston ring stacking and sorting device, a piston ring cylinder 3300 assembly, silk threads are used for binding the piston ring cylinder 3300 assembly, the freedom degree of the piston ring cylinder 3300 assembly moving towards the outer sides of two ends is limited, then the piston ring cylinder 3300 assembly is sent into a heating furnace for heating treatment, and after the heating treatment, the piston ring cylinder 3300 assembly is taken out and placed in quenching liquid for quenching.

As shown in fig. 1, when the piston ring is stacked and arranged, one protection ring sleeve is respectively placed at two ends to form a piston ring cylinder 3300 assembly.

As shown in fig. 1, the piston ring cylinder 3300 assembly is banded using iron wire.

As shown in fig. 1, the iron wire is bent into a U-shaped iron wire by using a forming device 3000, a clamping opening on the U-shaped iron wire is sleeved on the piston ring cylinder 3300 assembly, and then the end of the U-shaped iron wire is fastened to limit the degree of freedom of the piston ring cylinder 3300 assembly moving to the outer sides of the two ends.

As shown in fig. 1, U-shaped wire members are bent at intervals along the circumference of the piston ring cylinder 3300 assembly to be fastened.

As shown in fig. 6, a wire distributor is used to continuously supply iron wire from the z1 end of the piston ring column 3300 assembly, the supplied long strip iron wire passes through the inner cavity of the piston ring column 3300 assembly, the length of the supplied iron wire is L, L > 2h1, h1 is the length of the piston ring column 3300 assembly, a forming device 3000 arranged at the z2 end of the piston ring column 3300 assembly bends the supplied iron wire into a U-shaped iron wire from the middle of the supplied iron wire, and the z1 and z2 ends are two ends of the piston ring column 3300 assembly.

L=2h1+2h2，h2∈[10cm、15cm]。

As shown in fig. 6, after the fed iron wire is bent into a U-shaped iron wire piece, the U-shaped iron wire piece is moved close to the z1 end so that the bent portion of the U-shaped iron wire piece abuts against the z2 end, and then a first-stage wire binding is performed at the end of the U-shaped iron wire piece adjacent to the z1 end of the piston ring cylinder 3300 assembly.

As shown in fig. 18, the ends of the wires are gathered after the primary binding, and then the gathered ends of the wires are subjected to the secondary binding.

As shown in fig. 1, the piston ring and the guard ring are nested and stacked by an arranging device at the upstream of a conveying device 2000 to form a piston ring cylinder 3300 unit, the conveying device 2000 conveys the piston ring cylinder 3300 unit, a forming mechanism is provided in the middle of the conveying of the piston ring cylinder 3300 unit to fold the wire laid by the wire laying device to form a U-shaped wire and lay the wire on the piston ring cylinder 3300 unit, then the wire is tied by a wire tying device 4000, and the tied piston ring cylinder 3300 unit is taken down from the conveying device and sent to a heating furnace for heating treatment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.

Claims

1. A wire folding device for a piston ring is characterized in that: the C2 wire folding movable unit is movably mounted on the D column along the body length direction of the D column, the C1 wire folding movable unit is movably mounted on the C2 wire folding movable unit along the radial direction of the D column, the C2 wire folding movable unit is connected with an axial adjusting unit for adjusting the movement of the C2 wire folding movable unit along the body length direction of the D column, the C1 wire folding movable unit is connected with a radial adjusting unit for adjusting the radial movement of the C1 wire folding movable unit along the radial direction of the D column, a C wire guide part is arranged on the C1 wire folding movable unit, a D wire guide part is arranged on the D column, the groove depth direction of the C, D wire guide part is consistent with the radial direction of the D column, the notch of the C, D wire guide part is open and extends to the outer peripheral part of the C1 wire folding movable unit, and the iron wires in the C, D wire guide part are turned over to avoid when being bent; the C1 wire folding movable units are arranged along the circumferential direction of the D cylinder, and each C1 wire folding movable unit is correspondingly arranged corresponding to the C2 wire folding movable unit; the C1 silk folding movable unit is slidably mounted on the C2 silk folding movable unit, the C1 silk folding movable unit comprises two silk folding sliding blocks and a C guide groove which are arranged along the sliding direction of the C1 silk folding movable unit, the end parts of the two silk folding sliding blocks, which are close to the center of the D column body, are connected with the groove wall of the C guide groove, and the groove cavity of the C guide groove forms the C silk guide part; the wire folding sliding block is provided with a D1 rack part arranged along the sliding direction of the wire folding sliding block, and the radial adjusting unit is in transmission connection with the D1 rack part to adjust the wire folding sliding block to move; the tooth width direction of the D1 rack part is vertical to the body length direction of the D column body, the D1 rack part is arranged on the side surface of a sliding block which is arranged on a wire folding sliding block and close to the D2 end of the D column body, the D1 end of the D column body is provided with a C1 wire folding movable unit, and the D1 end and the D2 end are two ends of the D column body; the C2 wire folding movable unit comprises a B movable part which forms sliding fit with the D shaft body, a strip-shaped D vacancy part is arranged on the B movable part, the D vacancy part and the D wire guiding part are arranged correspondingly, a wire folding sliding block is installed on the B movable part in a sliding mode, a D1 gear matched with a D1 rack part is arranged on the B movable part, a D2 gear is arranged beside the D1 gear, the radial adjusting unit comprises a radial adjusting piece, the radial adjusting piece is installed on the B movable part in a sliding mode along the body length direction of the D cylinder body, the D1 gear and the D2 gear are in transmission connection, a D2 rack part meshed with the D2 gear is arranged on the radial adjusting piece, and the D2 rack part is arranged along the body length direction of the D cylinder body;

the C1 wire folding movable units and the radial adjusting units are arranged at intervals along the circumferential direction of the D cylinder, two D2 rack parts are arranged on the radial adjusting piece, and the two D2 rack parts are respectively in transmission connection with D1 rack parts arranged on adjacent wire folding sliding blocks on the two C1 wire folding movable units on the outer side of the two D2 rack parts; each radial adjusting piece is connected with a movable sleeve B, the movable sleeve B is arranged on the movable sleeve A, a radial adjusting cylinder is arranged on a sliding seat D, and the radial adjusting cylinder adjusts the radial adjusting pieces to move relatively to the moving piece B along the body length direction of the cylinder D; the end part of the C guide groove, which is far away from the D2 end of the D cylinder, is provided with a C1 wire folding guide groove, and the C1 wire folding guide groove is arranged along the sliding direction of the C1 wire folding movable unit; a C2 wire folding guide groove is formed in the surface, close to the center of the D column body, of the bottom of the C guide groove, and the C2 wire folding guide groove is arranged along the body length direction of the D column body; the cylinder D comprises shaft sections D1, D2 and D3 which are sequentially arranged along the direction D, the direction D is the direction that the end D1 points to the end D2, the outer diameter of the shaft section D2 is smaller than that of the shaft section D3, the outer diameter of the shaft section D3 is matched with that of a piston ring, the movable wire folding unit C1 is arranged corresponding to the shaft section D2, and the shaft section D1 is provided with a limiting component B;

the cylinder A is inserted into the piston ring cylinder assembly, the piston ring cylinder assembly comprises piston rings which are arranged in a stacking manner, and the outer side wall of the cylinder A is provided with yarn guide grooves A at intervals along the circumferential direction of the cylinder A; the D column body comprises a D outer shaft sleeve, a D inner shaft sleeve and a D column core which are arranged concentrically, the D inner shaft sleeve is positioned between the D outer shaft sleeve and the D column core, two ends of the D inner shaft sleeve extend to the outer sides of two ends of the D outer shaft sleeve, two ends of the D column core extend to the outer sides of two ends of the D inner shaft sleeve, the D outer shaft sleeve is a reducing pipe sleeve and forms the shaft sections D2 and D3, the D inner shaft sleeve extends to the outer side of the D outer shaft sleeve and is close to the end part of the shaft body A to form the shaft section D1, a B limiting assembly is fixedly arranged on the D inner shaft sleeve, the other end of the D inner shaft sleeve is provided with a D inner shaft sleeve adjusting gear, the D inner shaft sleeve adjusting gear is connected with the D inner shaft sleeve adjusting assembly, an A movable sleeve is slidably arranged on the D outer shaft sleeve, a B movable sleeve is slidably arranged on the A movable sleeve, a radial adjusting cylinder is arranged between A, B movable sleeves, the end part of the D outer shaft sleeve far away from the A column body is fixed on a D1 support, the end part of the D column core far away from the A column body is fixed on a D2 support, the D1 support, the D column slide is fixedly arranged on a D slide seat, the D slide seat, and the D slide seat, the D slide seat are arranged on the D slide seat, and the D column core, and the D slide seat are connected with the D cylinder, and the D slide seat; the column core D and the column A are detachably connected and matched;

the radial adjusting cylinder drives the C1 wire folding movable unit to move radially through the radial adjusting piece, and an iron wire is firstly folded into an L shape; the axial adjusting cylinder drives the A movable sleeve, the A movable sleeve drives the B movable member, the B movable member pushes the C1 wire folding movable unit to move axially, and the L-shaped iron wire is bent into a U shape.

2. The wire folding device for a piston ring according to claim 1, characterized in that: the D1 gear and the D2 gear are in coaxial transmission connection.