CN111992638A

CN111992638A - Wire folding device for piston ring

Info

Publication number: CN111992638A
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: 2020-11-27
Anticipated expiration: 2040-08-31
Also published as: CN111992638B

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 column body along the body length direction of the D column body, the C1 wire folding movable unit is movably arranged on a C2 wire folding movable unit along the radial direction of the D column body, a C2 wire folding movable unit is connected with an axial adjusting unit for adjusting the wire folding movable unit to move along the body length direction of the D column body, a C1 wire folding movable unit is connected with a radial adjusting unit for adjusting the wire folding movable unit to move along the radial direction of the D column body, a C wire guiding part is arranged on the C1 wire folding movable unit, a D wire guiding part is arranged on the D column body, the groove depth direction of the C, D wire guiding part is consistent with, the notch of the D wire guiding part is open and extends to the outer peripheral part of the C1 wire folding movable unit, and the wire guiding part overturns to avoid when the wire is folded in the C, D wire guiding part. 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:

a wire folding device for a piston ring comprises a C1 wire folding movable unit and a C2 wire folding movable unit, wherein the C2 wire folding movable unit is movably installed on a D cylinder along the body length direction of the D cylinder, the C1 wire folding movable unit is movably installed on a C2 wire folding movable unit along the radial direction of the D cylinder, a C2 wire folding movable unit is connected with an axial adjusting unit which adjusts the D cylinder to move along the body length direction, a C1 wire folding movable unit is connected with a radial adjusting unit which adjusts the D cylinder to move along the radial direction, a C1 wire folding movable unit is provided with a C wire guiding part, the D cylinder is provided with a D wire guiding part, the groove depth direction of the C, D wire guiding part is consistent with the radial direction of the D cylinder, and the groove opening of the C, D wire guiding part is open and extends to the outer peripheral part of the C1 wire folding movable unit to overturn and avoid when an iron wire in the C, D wire guiding part is bent.

Preferably, the C1 wire folding movable units are arranged along the circumferential direction of the D column body, 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 comprises two wire folding sliding blocks and a C guide groove which are arranged along the sliding direction of the C folding movable unit, the end parts of the two wire folding sliding blocks, which are close to 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 part.

Preferably, 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.

Preferably, the tooth width direction of the D1 rack part is perpendicular to the body length direction of the D column, the D1 rack part is arranged on the side surface of the slide block which is arranged close to the D2 end of the D column on the wire folding slide block, the D1 end of the D column is provided with a C1 wire folding movable unit, and the D1 and the D2 ends are two ends of the D column.

Preferably, C2 broken filament 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 wire portion arrange correspondingly, broken filament sliding block slidable mounting is on the B moving part, be provided with the D1 gear with D1 rack portion matched with on the B moving part, the side of D1 gear is provided with the D2 gear, radial adjusting unit includes radial adjusting part, radial adjusting part is along the body length direction slidable mounting of D cylinder on the B moving part, D1, D2 gear drive are connected, be provided with the D2 rack portion with D2 gear engaged with on the radial adjusting part, D2 rack portion arranges along the body length direction of D cylinder.

Preferably, the D1 and the 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 body, 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 side of the 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 piece is connected with a movable sleeve B, the movable sleeve B is installed on the movable sleeve A, a radial adjusting cylinder is arranged on the sliding seat D, and the radial adjusting cylinder adjusts the radial adjusting pieces to move relative to the movable piece B along the length direction of the cylinder D.

Preferably, an end of the C guide groove away from the D cylinder D2 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 of the groove bottom of the C guide groove close to the center of the D column, and a C2 wire folding guide groove is arranged along the body length direction of the D column.

Preferably, the D cylinder comprises D1, D2 and D3 shaft sections which are sequentially arranged along a D direction, the D direction is a direction that a D1 end points to a D2 end, the outer diameter of a D2 shaft section is smaller than that of a D3 shaft section, the outer diameter of a D3 shaft section is matched with that of a piston ring, an A1 movable wire folding unit is arranged corresponding to a D2 shaft section, and a B limiting assembly is assembled on the D1 shaft section.

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 of 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 device C1 for a piston ring, when a wire folding unit folds an iron wire into an L-shape;

fig. 12 is a sectional view of a wire folding device C1 for a piston ring, when a wire folding unit folds 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 C1 wire folding unit returning;

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 the reference numbers is as follows:

1000-discharging device, 1100-feeding unit, 1110-guide chute, 1200-material-turning 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 guide wire part, 3200-limiting mechanism, 3210-B limiting component, 3211-B guide wire 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 guide wire 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, 3411-C wire folding sliding block, 3412-C1 wire folding guide groove, 3411B-C2 wire folding guide groove, 3412-wire folding sliding block, 341, 3421-C2 wire folding movable unit, 3421a-B movable unit, 3421a1-D hollow part, 3422-D1 gear, 3423-D2 gear, 3430-axial adjusting unit, 3431-A movable sleeve, 3432-D sliding base, 3433-axial adjusting cylinder, 3440-radial adjusting unit, 3441-radial adjusting piece, 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 binding part 4110, 4111-A wire binding part, 4120-A wire binding part, 4121-A wire binding part, 4130-A wire binding adjusting piece, 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 is provided at both ends of the a-cylinder 3100, a wire arrangement mechanism 5000 for arranging a wire is provided outside an a1 end of the a-cylinder 3100, a wire folding device 3400 for a piston ring to fold the wire is provided outside an a2 end of the a-cylinder 3100, an a wire guide portion 3110 is provided on an outer side wall of the a-cylinder 3100, the a wire guide portion 3110 is arranged along a length direction of the a-cylinder 3100, the wire arrangement mechanism 5000 is arranged along a wire guide groove of the wire guide groove and makes an end of the wire extend to an a2 end of the a-cylinder 3100, the wire folding device 3400 for the piston ring bends the wire outside the a2 end to fold the wire into a U-shaped iron wire, a wall of the piston ring cylinder 3300 assembly is located in the U-shaped member, the outer side of the end a1 of the A cylinder 3100 is also provided with a wire binding device 4000 for twisting and binding two wire sections of U-shaped wire positioned at the outer side of the end part of the piston ring cylinder 3300 assembly, the piston ring cylinder 3300 assembly comprises ring plug rings which are arranged in a stacking mode, and the end a1 and the end a2 are two ends of the A cylinder 3100. 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 restraining mechanism 3200 includes a B restraining member 3210 located at an end of the a column 3100a2, the B restraining member 3210 is provided with a B guide wire portion 3211, a A, B guide wire portion 3211 is arranged along the length, a B blocking portion 3212 is provided at the periphery of the B guide wire portion 3211, a B gap portion 3212a is provided at the B blocking portion 3212, the B blocking portion 3212 is movably mounted, a wire folding device 3400 for a piston ring folds an iron wire from an end B2 of the B restraining member 3210 into a U-shaped iron wire, and an end B2 is an end of the B restraining member 3210 arranged farther from an end a 2. 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 sidewall 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 guide portion 3211, the B-wire guide 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 guide portion 3211 and the B-gap 3212a, and the communication channel enables an iron wire segment at the B-wire guide 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 member is identical to that of the piston ring in order to prevent the wire from being fed when the C1 wire folding movable unit 3410 is folded 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 in a straight line with the B limiting assembly 3210, the C1 wire folding movable unit 3410 is movably mounted in a radial direction of the a column 3100 and an axial direction of the a column 3100, the C1 wire folding movable unit 3410 is provided with a C wire guide portion 3411, 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 the following C1, C2, C3 states, and the C1 state is: A. b, C the guide wire 3411 is arranged to guide and receive the wire laid by the wire laying mechanism 5000, and the state C2 is: the C wire guide 3411 moves to the outside of the B wire guide 3211 to bend the iron wire into an L-shaped iron 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 wire into a U-shaped 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, A, B, C the guide wire portions 3411 are arranged in 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 15, the wire folding adjusting mechanism 3420 includes a C2 wire folding movable unit 3421 movably mounted along the body length direction of the a column 3100, a C2 wire folding movable unit 3421 connected to the axial adjusting unit 3430, a C1 wire folding movable unit 3410 movably mounted on the C2 wire folding movable unit 3421 along the radial direction of the a column 3100, a C1 wire folding movable unit 3410 and a radial adjusting unit 3440 for adjusting the C1 wire folding movable 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 movable unit 3421 and the C1 wire folding movable unit 3410. In this embodiment, the C1 wire folding unit 3410 is moved radially by the radial adjusting element 3441 and then moved axially by the C2 wire folding unit 3421.

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

As shown in FIG. 6, the B restraining assembly 3210 is mounted on the D-pillar 3500 at the end D1, and at the end D1, on the D-pillar 3500 near the end of the A-pillar 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 tightly attach 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 for adjusting 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 for adjusting the movement thereof along the radial direction of the D column 3500, the C1 wire folding movable unit 3410 is provided with a C wire guide 3411, the D wire guide is provided on the D column 3500, the groove depth direction of the 3500 2 wire guide coincides with the radial direction of the D column 3500, the groove opening of the C, D wire guide is in the shape, and extends to the outer periphery of the C3410 wire folding movable unit 3410 of the C674 wire folding movable, D, turning over the iron wires in the wire guide part when the iron wires are bent to avoid. 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 wire folding active units 3410 are arranged along the circumferential direction of the D-pillar 3500, and each C1 wire folding active unit 3410 is arranged corresponding to the C2 wire folding active unit 3421. The arrangement of the C1 wire-folding active units 3410 corresponding to the C2 wire-folding active units 3421 is for the convenience of the C2 wire-folding active unit 3421 adjusting the movement of the C1 wire-folding active unit 3410 along the radial and axial directions of the piston ring.

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

As shown in fig. 17, a D1 rack 3412a is disposed on the wire folding slider 3412 along the sliding direction, and the radial adjustment unit 3440 is connected to the D1 rack 3412a in a transmission 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 rack 3412a of D1 is arranged perpendicular to the body length direction of the D column 3500, the rack 3412a of D1 is provided on the slide side of the wire folding slide 3412 arranged near the end of D column 3500D2, the end of D1 of the D column 3500 is provided with a C1 wire folding movable unit 3410, and the ends of D1 and D2 are both ends of the D column 3500. The placement of the D1 rack 3412a on the side of the wire folding slide 3412 disposed adjacent the end of the D post 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 forming a sliding fit with the D shaft, the B movable element 3421a is provided with an elongated D hollow portion 3421a1, the D hollow portion 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, the B movable element 3421a is provided with a D1 gear 3422 mating with a D1 rack portion 3412a, a D2 gear is disposed beside the D1 gear 3422, the radial adjusting unit 3440 includes a radial adjusting element 3441, the radial adjusting element 3441 is slidably mounted on the B3421 a along the length direction of the D column 3500, the D1 and D2 gear are drivingly connected, the radial adjusting element 3441 is provided with a D2 rack portion meshing with the D2 gear, and the D2 rack portion 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 adjuster 3441 is moved to drive the D2 gear through the D2 rack, the D1 and the D2 gear are in transmission connection, and the D1 gear is in transmission connection with the D1 rack 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 wire folding movable unit 3410 and the radial adjustment unit 3440 are disposed at intervals in the circumferential direction of the D column 3500, two D2 rack portions are provided on the radial adjustment piece 3441, and the two D2 rack portions are respectively connected in transmission with the D1 rack portions 3412a provided on the adjacent wire folding sliding blocks 3412 on the two C1 wire folding movable 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 the folded iron wire.

As shown in fig. 9, each B moving member 3421a is installed at the end of a moving sleeve 3431, a moving sleeve 3431 is installed on a D sliding base 3432, the D sliding base 3432 is installed on the machine frame in a sliding manner, and the a moving sleeve 3431 is connected to an axial adjusting cylinder 3433. In this embodiment, an axial adjustment cylinder 3433 drives an a movable sleeve 3431, and the a movable sleeve 3431 drives a B movable member 3421a, so that the B movable member 3421a drives a C1 wire folding movable unit 3410 to move axially, and an L-shaped iron 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, an end of the C guide groove distant from the end of the D cylinder 3500D2 is provided with a C1 wire folding guide groove 3411a, and the C1 wire folding guide groove 3411a is arranged along the sliding direction of the C1 wire folding movable unit 3410. The arrangement is to facilitate bending of the iron wire.

As shown in fig. 16, a C2 filament folding guide groove 3411b is provided on a surface of a groove bottom of the C guide groove near the center of the D pillar 3500, and the C2 filament folding guide groove 3411b is arranged along the body length direction of the D pillar 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-pillar 3500 includes D1, D2, D3 shaft segments sequentially arranged along a D direction, the D direction is a direction from a D1 end to a D2 end, an outer diameter of the D2 shaft segment is smaller than an outer diameter of the D3 shaft segment, an outer diameter of the D3 shaft segment matches with an outer diameter of a piston ring, an a1 movable wire folding unit is arranged corresponding to the D2 shaft segment, and a B limiting component 3210 is mounted on the D1 shaft segment. The reason why the outer diameter of the d2 shaft segment is smaller than that of the d3 shaft segment is to install the C1 wire folding movable unit 3410, and the reason why the outer diameter of the d3 shaft segment is matched with that of the piston ring is to facilitate the axial movement of the C1 wire folding movable 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 3530, which are concentrically arranged, the D-inner sleeve 3520 is located between the D-outer sleeve 3510 and the D-cylinder 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 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 shaft sections D2 and D3, the D-inner sleeve 3520 extends to the outer side of the D-outer sleeve 3510 and forms the shaft section D1 near the end of the a-cylinder, a movable sleeve B is fixedly mounted on the D-inner sleeve 3520, an adjusting gear of the D-inner sleeve 3520 is arranged at the other end of the D-inner sleeve 3520, the adjusting gear of the D-inner sleeve 3520 is connected with an adjusting gear of the D-inner sleeve 3520, a movable sleeve 3510 is slidably mounted on, Between the movable sleeves B, the end part of the D outer shaft sleeve 3510 far away from the A column body is fixed on a D1 support 3600, the end part of the D column core 3530 far away from the A column body is fixed on a D2 support 3700, a D1 and a D2 support 3700 are fixedly installed on a D sliding seat 3432, the D sliding seat 3432 is installed on the rack in a sliding mode along the body length direction of the D column core 3530, an axial adjusting cylinder is arranged between the movable sleeves A 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 clamping portion 4120, the a wire binding portion 4120 and the a wire clamping portion 4110 are respectively movably mounted on the rack, the a wire binding portion 4120 is connected to the a wire clamping 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 is: the A wire clamping part 4110 is positioned on the outer side of the wire outlet nozzle and avoids the wire outlet nozzle; state a 2: the wire outlet nozzle moves to draw the iron wire towards the outer side of the end a1 far away from the A column 3100, and the wire clamping part A4110 clamps the 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 wire part 4120 holds the wire segment outside the a wire clamping part 4110 in the a2 state, and when the a wire clamping part 4110 is turned to the a1 state, the a binding wire part 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 member 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, the two a binding members 4121 are arranged along the body length direction of the a-pillar 3100, the end portions of the two a binding members 4121 close to the end of the a-pillar 3100a1 are provided with clamping portions, the other ends of the two a binding members 4121 are rotatably mounted and provided with a1 toothed portions at the end portions, the two a1 toothed 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-pillar 3100, the end portions of the two a wire clamping members 4111 away from the center of the a-pillar 3100 are rotatably mounted and provided with a2 sector gear portions, the two a2 sector gear portions are respectively in transmission engagement with rack portions provided on both sides of a wire clamping adjusting rack, and the wire clamping adjusting 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 pieces 4212, the a gathering piece 4211 includes two semicircular pieces, the semicircular pieces are slidably mounted along the radial direction of the a column 3100, the two semicircular pieces 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 piece 4212 includes a cone cover piece, the cone cover piece is movably mounted along the axial direction of the a column 3100, the inner diameter of the end portion of the cone cover piece close to the a column 3100 is larger than that of the other end, the B gathering piece 4212 gathers the end iron wires gathered in the first stage in a second stage, and the B bundling piece 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, A, B the wire binding mechanism 4200 is mounted on the wire binding bracket movably mounted on the frame, the wire binding bracket is connected to the wire binding adjustment mechanism, and the wire binding adjustment mechanism adjusts the a/B wire binding mechanism 4200 to be disposed corresponding to the end of the a-pillar 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 a1 hole 5110 and 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 a vacancy, the a1 and a2 clamping portion 5200 is connected to a clamping adjustment mechanism, and the clamping adjustment mechanism is used for adjusting the a1 and a2 clamping portion 5200 to clamp and pull the two ends of the U-shaped iron wire 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 firstly guides the wire through the hole 5110 of a1, and cuts the wire 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 wire distributing mechanism 5000 is mounted on a wire distributing mounting seat 5400, the wire distributing mounting seat 5400 is slidably mounted along the hole length direction of the hole 5110 of a1, and the wire distributing mounting seat 5400 is connected with a wire distributing adjusting component for adjusting the wire distributing mounting seat 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 piece which is slidably mounted along the spacing direction of the holes a1 and a2 5120, the wire clamping movable piece is provided with a1 clamping portion, and the clamping adjusting mechanism adjusts the movement of the a1 clamping portion to the outer side of the hole a1 5110 to avoid the wire supply and moves to the hole center line of the hole a1 5110 to clamp the wire in the hole a1 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, clamping teeth are arranged on the surfaces of the adjacent ends of the two clamping blocks and close to the a1 hole 5110, the clamping adjustment mechanism 5300 includes a driving inclined surface arranged on the outer side of the end where the two clamping blocks are far away from each other for driving the two clamping blocks to slide, and the driving inclined surface adjusts the outer side of the clamping block moving to the a gap to avoid the other end of the U-shaped iron wire falling into the a2 hole 5120 and moves 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 arrangement is convenient for simultaneously clamping iron wires in the A1 hole 5110 and the A2 hole 5120.

As shown in fig. 22 and 23, the a1 and a2 clamping portions 5200 are provided with clamping teeth 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 present embodiment is connected to the annular member, and the radial movement of each wire-clamping movable member is adjusted by the axial movement of the annular member.

As shown in fig. 18, the cloth wire mounting seat 5400 is mounted on a cloth wire 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 of the wire distributing mechanism need to be 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, a transferring unit 1200, a detecting unit and a control unit for respectively supplying different materials A, B, wherein the transferring unit 1200 is provided with a receiving portion 1210, and the receiving portion 1210 has two states of a1 and a 2: a 1: the material receiving part 1210 is positioned at a material receiving position and receives a material to be discharged, which is guided by the feeding device; a 2: the material receiving part 1210 is at a material discharging position and arranges the received materials on a conveying belt; the detection unit detects the material reaching the receiving part 1210 and transmits a signal to the control unit, and the control unit controls A, B the feeding unit 1100 to feed the material, wherein the supplied material to be discharged is a ring-shaped element. 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 3, in the present embodiment, A, B the feeding unit 1100 feeds, the material falls into the receiving portion 1210 correspondingly arranged below from the central vacancy through the material guiding chute 1110, the receiving portion 1210 is movably installed on the rotating portion 1220, and then the rotating portion 1220 rotates to transfer the material to the lateral conveyer belt.

As shown in fig. 1 and 2, a material guiding chute 1110 is disposed between the discharge ports of the feeding unit 1100 at A, B, a vacant part is disposed in the middle of the chute, and the material to be discharged falls from the vacant part and enters 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 states a1 and a 2. The receiving part 1210 is movably installed so that the receiving part 1210 can be drawn out from the piston ring post 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 move back and forth 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 A, B two states, state a: 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 feeding 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 detecting unit includes an a1 detecting element and an a2 detecting element, the a1 detecting element is arranged on the rotating part 1220 to detect the position of the material receiving part 1210, the a1 detecting element has two states of b1 and b2, b1, the material receiving part 1210 is at the material receiving position, at this time, the control unit is in the a state, and the a2 detecting element transmits a detecting signal to the control unit; b 2: 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 detection unit A1 for detecting the position of the material receiving part 1210 is arranged on the rotating part 1220, so that the detection is convenient.

As shown in fig. 2, the a2 detecting element is arranged on the receiving portion 1210, and transmits three signals a, B, and c 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, transmits the signal a, and at this time, the control unit controls the feeding device a to feed, and the feeding device B to stop; 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 provide different materials, the piston ring boot, at the two ends of the piston ring cylinder 3300.

As shown in fig. 2, the a2 detecting unit can be further disposed beside the vacant part of the material guiding chute 1110, and different signals are transmitted to the control unit through counting, so that the feeding device A, B is controlled 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 ring piston ring is located in the U-shaped wire, and a wire bundling 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, a discharge device 1000 for arranging piston rings and a guard ring in an assembly of a piston ring cylinder 3300 is provided upstream of the conveying device 2000.

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 spaced apart from each other along the conveying direction of the conveying device 2000, A, B positioning support surfaces are provided on the A, B positioning member, the A, B positioning support surfaces are arranged in a V-shape, and the piston ring column 3300 assembly is arranged between the 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 bracket is provided beside the conveyor 2000, the wire binding bracket is slidably mounted in the conveying direction of the conveyor 2000, and the wire binding device 4000 includes an a wire binding mechanism 4100 provided at both ends of the wire binding bracket for 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 conveying direction perpendicular to 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 cylinder 3300 to lift the piston ring cylinder 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 arranging device is characterized in that piston ring stacking is arranged into a piston ring cylinder 3300 assembly, the piston ring cylinder 3300 assembly is bound by silk threads, the freedom degree of the piston ring cylinder 3300 assembly moving to 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 the piston ring cylinder 3300 assembly is taken out after the heating treatment 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 is continuously fed from z1 end of piston ring column 3300 assembly by wire laying device, a long strip wire is fed through the inner cavity of piston ring column 3300 assembly, the length of the fed wire is L, L > 2h1, h1 is the length of piston ring column 3300 assembly, forming device 3000 arranged at z2 end of piston ring column 3300 assembly bends the fed wire into U-shaped wire piece from the middle of the wire, and z1, z2 ends are two ends of piston ring column 3300 assembly.

L=2h1+2h2，h2∈[10cm、15cm]。

After the wire feed is bent into a U-shaped piece of wire, the U-shaped piece of wire is moved closer to the z1 end so that the bend in the U-shaped piece of wire abuts the z2 end, and a primary ligature is then made at the end of the U-shaped piece of wire immediately adjacent the z1 end of the piston ring cylinder 3300 assembly, as shown in fig. 6.

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 generally practiced in the art without specific recitation or limitation.

Claims

1. A wire folding device for a piston ring is characterized in that: the C2 wire folding movable unit is connected with an axial adjusting unit which adjusts the wire folding movable unit to move along the body length direction of the D column body, the C1 wire folding movable unit is connected with a radial adjusting unit which adjusts the wire folding movable unit to move along the radial direction of the D column body, a C1 wire folding movable unit is provided with a C wire guiding part, the D column body is provided with a D wire guiding part, the groove depth direction of the C, D wire guiding part is consistent with the radial direction of the D column body, the groove opening of the C, D wire guiding part is open and extends to the outer peripheral part of the C1 wire folding movable unit to turn over and avoid when the iron wire in the C, D wire guiding part is bent.

2. The wire folding device for a piston ring according to claim 1, characterized in that: the C1 wire folding movable units are arranged along the circumferential direction of the D column body, and each C1 wire folding movable unit is correspondingly arranged corresponding to the C2 wire folding movable unit.

3. The wire folding device for a piston ring according to claim 2, characterized in that: the C1 wire folding movable unit is slidably mounted on the C2 wire folding movable unit, the C1 wire folding movable unit comprises two wire folding sliding blocks and a C guide groove which are arranged along the sliding direction of the C wire folding sliding block, the end parts of the two wire 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 wire guiding part.

4. The wire folding device for a piston ring according to claim 2, characterized in that: 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.

5. The wire folding device for a piston ring according to claim 2, characterized in that: the tooth width direction of the D1 rack part is vertical to the body length direction of the D column, the D1 rack part is arranged on the side surface of a slide block which is arranged on the wire folding slide block and close to the D2 end of the D column, the D1 end of the D column is provided with a C1 wire folding movable unit, and the D1 and D2 ends are two ends of the D column.

6. The wire folding device for a piston ring according to claim 5, characterized in that: c2 broken filament 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 wire portion correspond and arrange, broken filament 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 D2 gear, radial adjusting unit includes radial adjusting part, radial adjusting part is along the body length direction slidable mounting of D cylinder on the B moving part, D1, D2 gear drive is connected, be provided with the D2 rack portion with D2 gear engaged with on the radial adjusting part, D2 rack portion arranges along the body length direction of D cylinder.

7. The wire folding device for a piston ring according to claim 6, characterized in that: the D1 and the D2 gears are in coaxial transmission connection.

8. The wire folding device for a piston ring according to claim 6, characterized in that: the C1 wire folding movable unit and the radial adjusting unit 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 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.

9. The wire folding device for a piston ring according to claim 6, characterized in that: each moving part B is arranged on a moving sleeve A which is arranged on a sliding seat D which is arranged on the machine frame in a sliding way, and the moving sleeve A is connected with an axial adjusting cylinder.

10. The wire folding device for a piston ring according to claim 6, further comprising at least one of the following A-D:

a: 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 the sliding seat D, and the radial adjusting cylinder adjusts the radial adjusting pieces to move relative to the movable piece B along the body length direction of the cylinder D;

b: the end part of the C guide groove far away from the D2 end of the D column 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;

c: a C2 wire folding guide groove is arranged on the surface, close to the center of the D column, 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;

d: the D cylinder comprises D1, D2 and D3 shaft sections which are sequentially arranged along a D direction, the D direction is a direction that a D1 end points to a D2 end, the outer diameter of a D2 shaft section is smaller than that of a D3 shaft section, the outer diameter of a D3 shaft section is matched with that of a piston ring, an A1 movable wire folding unit is arranged corresponding to a D2 shaft section, and a B limiting assembly is assembled on the D1 shaft section.