A multifunctional pressing machine and method for making rabelin sealing sheets for compressor units

Abstract

The present invention discloses a multifunctional pressing machine and method for making a compression unit lapeling sealing sheet, the pressing machine comprises a base, a forming machine and a driving machine arranged on the base; the forming machine comprises a base and a positioning device, a bending device, a guiding device, a forming device and an arc bending device installed on the base and arranged in sequence; the steel strip used for making the lapeling sealing sheet is positioned and guided by the positioning device, accurately enters the bending device, and after being extruded and bent by the bending device, it is rotated by a certain angle by the guiding device and then enters the forming device for pressing to form the required sealing sheet root structure, and then a circular sealing sheet is formed under the action of the arc bending device. The present invention can effectively prevent the steel strip from being offset during the pressing process, and has a good forming effect. The production of sealing sheets with different cross sections can be achieved by replacing different forming rollers, and the pressing of circular sealing sheets with inner arcs or outer arcs can be achieved by changing the positions of the rollers in the bending device and the forming device.

Description

Technical Field

[0001] The invention relates to a multifunctional pressing machine and method for making rapier sealing sheets of a compressor unit. Background Art

[0002] Labyrinth seal is a kind of sealing structure widely used in turbine machinery such as compressor units and steam turbines. The sealing structure is formed by pressing stainless steel sheets into a specific shape and pressed into the installation groove reserved on the turbine rotor through the fillet.

[0003] The existing technical solutions cannot be used for the production of inner arc and other types of sealing sheets. At the same time, the lengths of the two sides are inconsistent during pressing, and the steel belt will shift laterally during the pressing process, resulting in the formed root sealing sheet not meeting the size requirements of the drawing; the reserved grooves of various turbine manufacturers are different, and the sealing sheet structures are not the same. The existing pressing machines are unable to achieve the pressing of various types of inner and outer arc sealing sheets. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a multifunctional machine and method for making Rabeling sealing sheets for compressor units, so as to solve the problems that the sealing sheets are prone to deviation during the pressing process, resulting in poor molding results, and the pressing of various types of inner and outer arc sealing sheets cannot be achieved.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions to achieve the above problems:

[0006] A multifunctional rabeling sealing sheet pressing machine for making a compressor unit comprises a base, a forming machine and a driving machine arranged on the base;

[0007] The forming machine comprises a base, and a positioning device, a bending device, a guiding device, a forming device and an arc bending device which are installed on the base and arranged in sequence;

[0008] The positioning device comprises an upper positioning plate and a lower positioning plate, the lower positioning plate is mounted on the wall surface of the base, the upper positioning plate is pressed on the upper surface of the lower positioning plate and the upper surface of the lower positioning plate is provided with a positioning groove, and the steel strip can accurately enter the bending device after being positioned by the positioning groove;

[0009] The bending device comprises an upper bending wheel group and a lower bending wheel group below it, and the concave and convex bending rollers of the two cooperate to form a bending gap to squeeze and bend the steel strip, and the bent steel strip enters the guide device;

[0010] The guide device includes an upper guide wheel group and a lower guide wheel group below it, and the guide rollers of the two cooperate to form a guide gap that is 90 degrees to the bending gap to perform 90-degree rotational guidance on the bent steel strip, and the guided steel strip enters the forming device;

[0011] The forming device comprises an upper forming wheel group and a lower forming wheel group below it, and the forming rollers of the two cooperate to form a forming gap to press and form the bent and guided steel strip, and the formed steel strip enters the arc bending device;

[0012] The arc bending roller of the arc bending device is pressed on the forming roller of the lower forming wheel group so as to press the formed steel strip into a circular sealing sheet;

[0013] The driving machine is connected to the forming device to drive the forming roller to rotate and thus provide power for the steel belt to move forward.

[0014] The present invention also includes the following technical features:

[0015] Specifically, the lower positioning plate is fixed to the wall surface of the base by means of transverse bolts, and the upper positioning plate is fixed to the lower positioning plate by means of vertical bolts.

[0016] Specifically, the upper bending wheel assembly includes an upper bending roller, a central axis AI connecting the upper bending roller, a bearing AI sleeved outside the central axis AI, a sleeve I sleeved outside the bearing AI, a spring I located below the sleeve I, and an adjusting bolt I above the sleeve I; the sleeve I is arranged in an opening I on the upper edge of the base, the adjusting bolt I passes through a cover plate I on the opening I and abuts against the top of the sleeve I, and the adjusting bolt I cooperates with the spring I to adjust the height of the upper bending wheel assembly;

[0017] The lower bending wheel assembly includes a lower bending roller, a central axis BI connected to the lower bending roller, and a bearing BI sleeved outside the central axis BI; the bearing BI is installed in a through hole I of the base, the through hole I is located below the opening I, and the central axis BI is parallel to the central axis AI;

[0018] The outer wall of the upper bending roller is an annular protrusion, and the outer wall of the lower bending roller is an annular groove. The annular protrusion matches the annular groove and a space is left at the matching position. The bending gap of the shape;

[0019] The upper bending roller is fixed to the front end of the center shaft AI by bolts and washers; the lower bending roller is fixed to the front end of the center shaft BI by bolts and washers;

[0020] The rear end of the upper bending wheel group is provided with a rear cover plate AI, and the rear end of the lower bending wheel group is provided with a rear cover plate BI.

[0021] Specifically, the upper guide wheel assembly includes an upper guide roller, a central axis AII connected to the upper guide roller, a bearing AII sleeved outside the central axis AII, a sleeve II sleeved outside the bearing AII, a spring II located below the sleeve II, and an adjusting bolt II above the sleeve II; the sleeve II is arranged in an opening II on the upper edge of the base, the adjusting bolt II passes through a cover plate II on the opening II and abuts against the top of the sleeve II, and the adjusting bolt II and the spring II cooperate to adjust the height position of the upper guide wheel assembly;

[0022] The lower guide wheel assembly includes a lower guide roller, a central axis BII connected to the lower guide roller, and a bearing BII sleeved outside the central axis BII; the bearing BII is installed in a through hole II of the base, the through hole II is located below the opening II, and the central axis BII is parallel to the central axis AII;

[0023] The outer wall of the upper guide roller is in a step shape, and the outer wall of the lower guide roller is in a reverse step shape, and the step shape matches the reverse step shape and leaves a space at the matching position. Shaped guide clearance;

[0024] The upper guide roller is fixed to the front end of the center shaft AII by bolts and washers; the lower guide roller is fixed to the front end of the center shaft BII by bolts and washers;

[0025] A rear cover plate AII is disposed at the rear end of the upper guide wheel group, and a rear cover plate BII is disposed at the rear end of the lower guide wheel group.

[0026] Specifically, the forming device also includes a mounting frame, which includes a mounting frame body, an upper portion of the mounting frame body is an opening III, and a lower portion of the mounting frame body is a semicircular clamping portion; the semicircular clamping portion is clamped on a base, and the semicircular clamping portion is provided with a through hole; the through hole of the semicircular clamping portion is coaxially connected to the through hole III on the base; the centers of the through hole III on the base and the through holes II and I are on the same horizontal line, and their central axes are parallel to each other.

[0027] Specifically, the upper forming wheel assembly includes an upper forming roller, a central axis AIII connected to the upper forming roller, a bearing AIII sleeved outside the central axis AIII, a sleeve III sleeved outside the bearing AIII, a spring III located below the sleeve III, and an adjusting bolt III above the sleeve III; the sleeve III is arranged in the opening III, the adjusting bolt III passes through the cover plate III on the opening III and abuts against the top of the sleeve III, and the adjusting bolt III and the spring III cooperate to adjust the height position of the upper forming wheel assembly;

[0028] The lower forming wheel assembly includes a lower forming roller, a central axis BIII connected to the lower forming roller, and a bearing BIII sleeved outside the central axis BIII; the bearing BIII is installed in the through hole of the semicircular clamping part and the through hole III, the through hole III is located below the opening III, and the central axis BIII is parallel to the central axis AIII;

[0029] The outer wall of the upper forming roller is stepped and a curved protrusion is provided at the stepped boss. The outer wall of the lower forming roller is reverse stepped and a curved groove is provided at the step angle of the reverse step. The step shape matches the reverse step shape and the curved protrusion and the curved groove match and leave a space at the matching position. The forming gap of the shape;

[0030] The upper forming roller is fixed to the front end of the center shaft AIII by bolts and washers; the lower forming roller is fixed to the front end of the center shaft BIII by bolts and washers; the front end of the center shaft BIII is also connected to a pipe for hanging the pressed circular sealing sheet;

[0031] A rear cover plate AIII is disposed at the rear end of the upper forming wheel set, and a rear cover plate BIII is disposed at the rear end of the lower forming wheel set.

[0032] Specifically, a coaxial gear I is fixed at the rear end of the central shaft AIII, and the gear I is connected to the central shaft AIII through bolts and washers. A coaxial gear II is fixed at the rear end of the central shaft BIII, and the gear II is connected to the central shaft BIII through bolts and washers, and the gear I is meshed with the gear II; the gear III of the driving machine is meshed with the gear II to drive the central shaft BIII and the central shaft AIII to rotate;

[0033] A worm and a turbine are provided below the mounting frame, and the mounting frame can be driven to rotate around the central axis BIII through the action of the turbine and the worm.

[0034] Specifically, the arc bending device includes a bracket, an arc bending roller, an adjustment pin, a bearing and a locking nut;

[0035] The upper part of the bracket is provided with a plurality of vertically arranged mounting holes, and one side of the upper part of the mounting frame is correspondingly provided with a plurality of circular holes, so that the bracket can be mounted on the upper part of one side of the mounting frame, and the mounting height position of the bracket can be adjusted through the mounting holes and the plurality of circular holes;

[0036] The adjusting pin passes through the lower part of the bracket, and bearings and locking nuts are respectively sleeved on both ends of the pin, and the arc bending roller is sleeved on the outer surface of the bearing; the adjusting pin is threadedly connected to the bracket, and the axial position of the pin and the arc bending roller can be adjusted through the locking nut;

[0037] The arc bending roller is located at the outlet of the upper forming roller and the lower forming roller for outputting the steel belt, and is attached to the lower forming roller. The outer wall of the arc bending roller is provided with a curved protrusion to cooperate with the curved groove of the lower forming roller to press the formed steel belt into a circular sealing sheet.

[0038] Specifically, a clamping and straightening roller group is provided at the entrance of the upper forming roller and the lower forming roller input steel belt, and the clamping and straightening roller group includes an upper straightening roller and a lower straightening roller. The upper straightening roller and the lower straightening roller cooperate with each other to clamp the steel belt to keep it horizontal, so as to prevent the problem of the steel belt at the entrance from tilting up when the arc bending device bends the steel belt at the exit; the upper straightening roller is installed on the base through the upper transverse adjusting piece and the horizontal position is adjustable, and the lower straightening roller is installed on the base through the lower transverse adjusting piece and the horizontal position is adjustable.

[0039] A method for pressing a Rabeling sealing sheet by a multifunctional Rabeling sealing sheet pressing machine for a compressor unit, the method being implemented by the pressing machine, comprising the following steps:

[0040] Under the guidance of the positioning device, the steel strip enters the bending device accurately, and the two bending rollers of the bending device bend the steel strip into a qualified size. Shape, the bent steel strip enters the guide device;

[0041] The bent steel strip is rotated 90° by the two guide rollers of the guide device to form a Shape, the guided steel strip enters the forming device;

[0042] Under the action of the two forming rollers of the forming device, the bent and guided steel strip is pressed into Shaped steel strip;

[0043] Under the action of the bending roller and the lower forming roller of the bending device, the formed steel strip is pressed into a circular sealing sheet;

[0044] The driving machine drives the forming roller of the forming device to rotate so as to drive the steel belt to move continuously and then continuously press.

[0045] The present invention has the following technical effects:

[0046] The present invention can effectively prevent the steel strip from deflecting during the pressing process and has a good forming effect. By replacing different forming rollers, it is possible to produce sealing sheets with different cross-sections such as "J"-shaped, "L"-shaped, and "U"-shaped edges. By changing the positions of the bending rollers in the bending device and the forming rollers in the forming device, it is possible to press a circular sealing sheet with an inner arc or an outer arc.

[0047] The present invention optimizes the pressing and forming process of the sealing sheet, can realize the pressing work of sealing sheets of various styles by one machine, and reduces the purchase cost and the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 Schematic diagram of the overall structure of the present invention, (a) is a front view, (b) is a side view, and (c) is a top view;

[0049] Figure 2 It is a structural schematic diagram of the molding machine of the present invention;

[0050] Figure 3 This is a schematic diagram of the base structure of the present invention;

[0051] Figure 4 It is a structural schematic diagram of the positioning device of the present invention;

[0052] Figure 5 is a cross-sectional view of the bending device of the present invention;

[0053] Figure 6 is a cross-sectional view of the guide device of the present invention;

[0054] Figure 7 Schematic diagram of the mounting frame structure of the molding device of the present invention, (a) front view, (b) side view;

[0055] Figure 8 It is a cross-sectional view of the molding device of the present invention;

[0056] Fig. 9 It is a schematic diagram of the gears of the molding device of the present invention;

[0057] Fig.10 It is a cross-sectional view of the arc bending device of the present invention.

[0058] The meaning of each number in the figure is:

[0059] 1. Base, 2. Forming machine, 3. Driving machine, 31. Gear III, 4. Steel belt; 200. Base, 201. Opening I, 202. Through hole I, 203. Opening II, 204. Through hole, 205. Through hole III; 300. Positioning device, 301. Upper positioning plate, 302. Lower positioning plate, 303. Transverse bolt, 304. Vertical bolt; 400. Bending device, 401. Upper bending roller, 402. Central axis AI, 403. Bearing AI, 404. Sleeve I, 405. Spring I, 406. adjusting bolt I, 407. cover plate I, 408. lower bending roller, 409. center shaft BI, 410. bearing BI, 411. rear cover plate AI, 412. rear cover plate BI; 500. guide device, 501. upper guide roller, 502. center shaft AII, 503. bearing AII, 504. sleeve II, 505. spring II, 506. adjusting bolt II, 507. cover plate II, 508. lower guide roller, 509. center shaft BII, 510. bearing BII, 511. Rear cover AII, 512. Rear cover BII; 600. Forming device, 601. Upper forming roller, 602. Central shaft AIII, 603. Bearing AIII, 604. Sliding sleeve III, 605. Spring III, 606. Adjusting bolt III, 607. Cover III, 608. Lower forming roller, 609. Central shaft BIII, 610. Bearing BIII, 611. Rear cover AIII, 612. Rear cover BIII, 613. Pipe, 614. Mounting frame , 615. opening III, 616. semicircular clamping part, 617. through hole, 618. round hole, 619. gear I, 620. gear II, 621. worm, 622. turbine; 700. arc bending device, 701. arc bending roller, 702. bracket, 703. adjustment pin, 704. bearing, 705. locking nut, 706. mounting hole; 800. clamping and straightening roller group, 801. upper straightening roller, 802. lower straightening roller, 803. upper lateral adjustment piece, 804. lower lateral adjustment piece. DETAILED DESCRIPTION

[0060] The present invention provides a multifunctional pressing machine and method for making a compressor unit lapeling sealing sheet, the pressing machine includes a base, a forming machine and a driving machine arranged on the base; the forming machine includes a base and a positioning device, a bending device, a guiding device, a forming device and an arc bending device installed on the base and arranged in sequence; the steel strip used to make the lapeling sealing sheet is accurately entered into the bending device after being positioned and guided by the positioning device, and after being extruded and bent by the bending device, it is rotated by a certain angle by the guiding device and then enters the forming device for pressing to form the required sealing sheet root structure, and then a circular sealing sheet is formed under the action of the arc bending device. In this technical solution, by replacing different bending rollers and forming rollers, the lapeling sealing sheets with different cross-sections such as "J" type, "L" type and "U" type can be made. By changing the upper and lower installation positions of the bending roller in the bending device and the forming roller in the forming device, the switching between the inner arc and the outer arc can be realized.

[0061] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0062] Embodiment 1:

[0063] This embodiment provides a multifunctional compression unit rabies sealing sheet pressing machine, such as Figure 1 As shown, it includes a base 1, a molding machine 2 and a driving machine 3 arranged on the base 1.

[0064] like Figures 2 to 10 As shown, the forming machine 2 includes a base 200 and a positioning device 300, a bending device 400, a guiding device 500, a forming device 600 and an arc bending device 700 which are installed on the base and arranged in sequence.

[0065] The positioning device 300 includes an upper positioning plate 301 and a lower positioning plate 302. The lower positioning plate 302 is installed on the wall of the base 200. The upper positioning plate 301 is pressed on the upper surface of the lower positioning plate 302. The upper surface of the lower positioning plate 302 is provided with a positioning groove. After being positioned by the positioning groove, the steel strip can accurately enter the bending device 400.

[0066] The bending device 400 includes an upper bending wheel group and a lower bending wheel group thereunder, and the concave and convex bending rollers of the two cooperate to form a bending gap to squeeze and bend the steel strip, and the bent steel strip enters the guide device 500;

[0067] The guide device 500 includes an upper guide wheel group and a lower guide wheel group thereunder, and the guide rollers of the two cooperate to form a guide gap that is 90 degrees to the bending gap to guide the bent steel strip to rotate 90 degrees, and the guided steel strip enters the forming device 600;

[0068] The forming device 600 includes an upper forming wheel group and a lower forming wheel group thereunder, and the forming rollers of the two cooperate to form a forming gap to press and form the bent and guided steel strip, and the formed steel strip enters the arc bending device 700;

[0069] The bending roller 701 of the bending device 700 is pressed on the forming roller of the lower forming wheel group to press the formed steel strip into a circular sealing sheet;

[0070] The driving machine 3 is connected to the forming device 600 to drive the forming roller to rotate and thus provide power for the steel strip to move forward.

[0071] The lower positioning plate 302 is fixed to the wall of the base 200 by means of transverse bolts 303, and the upper positioning plate 301 is fixed to the lower positioning plate 302 by means of vertical bolts 304; in this embodiment, the detachable structure of the positioning device facilitates future replacement and quick reinstallation.

[0072] The upper bending wheel assembly includes an upper bending roller 401, a central axis AI402 connected to the upper bending roller 401, a bearing AI403 sleeved outside the central axis AI402, a sleeve I404 sleeved outside the bearing AI403, a spring I405 located below the sleeve I404, and an adjusting bolt I406 above the sleeve I404; the sleeve I404 is arranged in an opening I201 on the upper edge of the base 200, the adjusting bolt I406 passes through a cover plate I407 on the opening I201 and abuts against the top of the sleeve I404, and the adjusting bolt I406 and the spring I405 cooperate to adjust the height position of the upper bending wheel assembly; specifically, a slideway is provided on the inner side wall of the opening I201 to facilitate the upward and downward movement of the sleeve I404; the distance between the upper and lower bending rollers can be adjusted by adjusting the adjusting bolt I406 to be suitable for the pressing of steel strips of different thicknesses;

[0073] The lower bending wheel assembly includes a lower bending roller 408, a central axis BI409 connected to the lower bending roller 408, and a bearing BI410 sleeved outside the central axis BI409; the bearing BI410 is installed in the through hole I202 of the base 200, the through hole I202 is located below the opening I201, and the central axis BI409 is parallel to the central axis AI402;

[0074] The outer wall of the upper bending roller 401 is an annular protrusion, and the outer wall of the lower bending roller 408 is an annular groove. The annular protrusion matches the annular groove and a gap is left at the matching position. The bending gap of the shape;

[0075] The upper bending roller 401 is fixed to the front end of the central axis AI402 by bolts and washers; the lower bending roller 408 is fixed to the front end of the central axis BI409 by bolts and washers; a rear cover AI411 is provided at the rear end of the upper bending wheel group, and a rear cover BI412 is provided at the rear end of the lower bending wheel group.

[0076] The upper guide wheel group includes an upper guide roller 501, a central axis AII502 connected to the upper guide roller 501, a bearing AII503 sleeved outside the central axis AII502, a sleeve II504 sleeved outside the bearing AII503, a spring II505 located below the sleeve II504 and an adjusting bolt II506 above the sleeve II504; the sleeve II504 is arranged in an opening II203 on the upper edge of the base 200, the adjusting bolt II506 passes through the cover plate II507 on the opening II203 and abuts against the top of the sleeve II504, and the adjusting bolt II506 and the spring II505 cooperate to adjust the height position of the upper guide wheel group; specifically, a slideway is provided on the inner side wall of the opening II203 to facilitate the up and down movement of the sleeve II504; the distance between the upper and lower guide rollers can be adjusted by adjusting the adjusting bolt II506, which is suitable for guiding steel strips of different thicknesses.

[0077] The lower guide wheel assembly includes a lower guide roller 508, a central axis BII509 connected to the lower guide roller 508, and a bearing BII510 sleeved outside the central axis BII509; the bearing BII509 is installed in the through hole II204 of the base 200, the through hole II204 is located below the opening II203, and the central axis BII509 is parallel to the central axis AII502;

[0078] The guide device adopts a roller structure, which can reduce the wear of the equipment and reduce the failure rate of the equipment.

[0079] The outer wall of the upper guide roller 501 is stepped, and the outer wall of the lower guide roller 508 is in the shape of a reverse step. The step shape matches the reverse step shape and a gap is left at the matching position. Shaped guide clearance;

[0080] The upper guide roller 501 is fixed to the front end of the center axis AII502 by bolts and washers; the lower guide roller 508 is fixed to the front end of the center axis BII509 by bolts and washers; a rear cover plate AII511 is provided at the rear end of the upper guide wheel group, and a rear cover plate BII512 is provided at the rear end of the lower guide wheel group.

[0081] The molding device also includes a mounting frame 614, which includes a mounting frame body, an upper portion of the mounting frame body is an opening III615, and a lower portion of the mounting frame body is a semicircular clamping portion 616; the semicircular clamping portion 616 is clamped on the base 200, and the semicircular clamping portion 616 is provided with a through hole 617; the through hole 617 of the semicircular clamping portion 616 is coaxially connected with the through hole III205 on the base 200; the through hole III205 on the base 200 is on the same horizontal line as the centers of the through hole II204 and the through hole I202, and their central axes are parallel to each other.

[0082] The upper forming wheel group includes an upper forming roller 601, a central axis AIII602 connected to the upper forming roller 601, a bearing AIII603 sleeved outside the central axis AIII602, a sleeve III604 sleeved outside the bearing AIII603, a spring III605 located below the sleeve III604 and an adjusting bolt III606 above the sleeve III604; the sleeve III604 is arranged in an opening III615, the adjusting bolt III606 passes through the cover plate III607 on the opening III615 and rests on the top of the sleeve III604, and the adjusting bolt III606 and the spring III605 cooperate to adjust the height position of the upper forming wheel group; specifically, a slideway is provided on the inner side wall of the opening III615 to facilitate the up and down movement of the sleeve III604; the distance between the upper and lower forming rollers can be adjusted by adjusting the adjusting bolt III606, which is suitable for pressing steel strips of different thicknesses.

[0083] The lower forming wheel assembly includes a lower forming roller 608, a central axis BIII609 connected to the lower forming roller 608, and a bearing BIII610 sleeved outside the central axis BIII609; the bearing BIII610 is installed in the through hole of the semicircular clamping part and the through hole III205, the through hole III205 is located below the opening III615, and the central axis BIII609 is parallel to the central axis AIII602;

[0084] The outer wall of the upper forming roller 601 is stepped and a curved protrusion is provided at the stepped boss. The outer wall of the lower forming roller 608 is reverse stepped and a curved groove is provided at the step angle of the reverse step. The step shape matches the reverse step shape and the curved protrusion and the curved groove match and leave a space at the matching position. The forming gap of the shape;

[0085] Specifically, in this embodiment, the lower forming roller 608 is designed to be a two-half structure, which is convenient for pressing sealing sheets of different thicknesses. The outer diameter of the lower forming roller 608 is designed to be larger, and it needs to form a matching relationship with the upper forming roller and the bending roller during assembly.

[0086] The upper forming roller 601 is fixed to the front end of the central axis AIII602 by bolts and washers; the lower forming roller 608 is fixed to the front end of the central axis BIII609 by bolts and washers; the bolt connection can achieve rapid replacement, so as to facilitate the processing and production of sealing sheets with different structures; the front end of the central axis BIII609 is also connected to a connecting pipe 613 for hanging the pressed circular sealing sheet; the rear end of the upper forming wheel group is provided with a rear cover plate AIII611, and the rear end of the lower forming wheel group is provided with a rear cover plate BIII612.

[0087] A coaxial gear I619 is fixed to the rear end of the central shaft AIII602, and the gear I619 is connected to the central shaft AIII602 through bolts and washers. A coaxial gear II620 is fixed to the rear end of the central shaft BIII609, and the gear II620 is connected to the central shaft BIII609 through bolts and washers, and the gear I619 meshes with the gear II620; the gear III31 of the driving machine 3 meshes with the gear II620 to drive the central shaft BIII609 and the central shaft AIII602 to rotate;

[0088] A worm 621 and a turbine 622 are provided below the mounting frame 614 , and the mounting frame 614 can be driven to rotate around the central axis BIII609 through the action of the worm 621 and the turbine 622 .

[0089] The arc bending device 700 includes a bracket 702, an arc bending roller 701, an adjustment pin 703, a bearing 704 and a locking nut 705; the axial direction of the arc bending roller can be adjusted, so that the arc bending roller can be suitable for sealing sheets of different thicknesses. In addition, by adjusting the axial position of the arc bending roller and ensuring the axial spacing between the arc bending roller and the lower forming roller, the sealing sheet can be prevented from twisting during the forming process.

[0090] The upper part of the bracket 702 is provided with a vertically arranged mounting hole 706, and one side of the upper part of the mounting frame 614 is correspondingly provided with a plurality of circular holes 618, so that the bracket 702 can be mounted on the upper part of one side of the mounting frame 614, and the mounting height of the bracket 702 can be adjusted through the mounting hole 706 and the plurality of circular holes 618;

[0091] The adjusting pin 703 passes through the lower part of the bracket 702, and the two ends of the adjusting pin 703 are respectively sleeved with a bearing 704 and a locking nut 705, and the outer surface of the bearing 704 is provided with an arc bending roller 701; the adjusting pin 703 and the bracket 702 are threadedly connected, and the axial position of the adjusting pin 703 and the arc bending roller 701 can be adjusted through the locking nut 705;

[0092] The arc bending roller 701 is located at the outlet of the upper forming roller 601 and the lower forming roller 608 for outputting the steel strip, and is attached to the lower forming roller 608. The outer wall of the arc bending roller 701 is provided with a curved protrusion to cooperate with the curved groove of the lower forming roller 608 to press the formed steel strip into a circular sealing sheet.

[0093] A clamping and straightening roller group 800 is provided at the entrance of the upper forming roller 601 and the lower forming roller 608 for inputting the steel belt. The clamping and straightening roller group includes an upper straightening roller 801 and a lower straightening roller 802. The upper straightening roller 801 and the lower straightening roller 802 cooperate with each other to clamp the steel belt to keep it horizontal so as to prevent the problem of the steel belt at the entrance from tilting up when the arc bending device 700 bends the steel belt at the exit. The upper straightening roller 801 is installed on the base 200 through an upper lateral adjustment member 803 and its horizontal position is adjustable. The lower straightening roller 802 is installed on the base 200 through a lower lateral adjustment member 804 and its horizontal position is adjustable.

[0094] In this embodiment, under the guidance of the positioning device, the steel strip is accurately entered into the bending device, and the steel strip is bent into a qualified size under the action of the two bending rollers of the bending device. The bent steel strip enters the guide device; under the action of the two guide rollers of the guide device, the bent steel strip rotates 90° to form a The steel strip after being guided enters the forming device; under the action of the two forming rollers of the forming device, the bent and guided steel strip is pressed into Shaped steel strip; under the action of the bending roller of the bending device and the lower forming roller, the formed steel strip is pressed into a circular sealing sheet; the driving machine drives the forming roller of the forming device to rotate to drive the steel strip to move continuously and then continuously press.

[0095] In this embodiment, the inner arc or outer arc sealing sheet can be pressed by adjusting the positions of the forming roller, the mounting frame, etc., wherein the inner arc refers to the hook groove of the formed and pressed sealing sheet being located at the inner circle of the final circular sealing sheet, and the outer arc refers to the groove of the formed and pressed sealing sheet being located at the outer circle of the final circular sealing sheet; when it is necessary to press into an outer arc, the forming device is first formed into a forming device. The steel sheet is formed into an outer arc circular sealing sheet by means of an arc bending device; when it needs to be pressed into an inner arc, the height of the contact point between the upper forming roller and the lower forming roller is adjusted by rotating the mounting frame and away from the clamping and straightening roller group, and the steel sheet is pressed into an inner arc circular sealing sheet by cooperating with the clamping and straightening roller group.

[0096] In other embodiments, the two forming rollers of the forming device can be replaced to obtain a forming gap of a desired shape, so that sealing sheets of different shapes can be pressed and formed; the two forming rollers can be selected to present different shapes according to actual work needs. The forming roller with a shaped forming gap is The forming roller with a "U"-shaped forming gap or the forming roller with a "U"-shaped forming gap can realize the press forming of different types of sealing sheets.

[0097] Embodiment 2:

[0098] This embodiment provides a method for pressing a Rabeling sealing sheet by a multifunctional Rabeling sealing sheet pressing machine for a compressor unit. The method is implemented by the pressing machine of Embodiment 1 and comprises the following steps:

[0099] Under the guidance of the positioning device, the steel strip enters the bending device accurately, and the two bending rollers of the bending device bend the steel strip into a qualified size. Shape, the bent steel strip enters the guide device;

[0100] The bent steel strip is rotated 90° by the two guide rollers of the guide device to form a Shape, the guided steel strip enters the forming device;

[0101] Under the action of the two forming rollers of the forming device, the bent and guided steel strip is pressed into Shaped steel strip;

[0102] Under the action of the bending roller and the lower forming roller of the bending device, the formed steel strip is pressed into a circular sealing sheet;

[0103] The driving machine drives the forming roller of the forming device to rotate so as to drive the steel belt to move continuously and then continuously press.

[0104] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0105] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0106] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A multifunctional rabel sealing sheet pressing machine for making a compressor unit, characterized in that: It comprises a base (1), a molding machine (2) and a driving machine (3) arranged on the base (1); The forming machine (2) comprises a base (200), and a positioning device (300), a bending device (400), a guiding device (500), a forming device (600), and an arc bending device (700) which are installed on the base and arranged in sequence; The positioning device (300) comprises an upper positioning plate (301) and a lower positioning plate (302), wherein the lower positioning plate (302) is mounted on the wall surface of the base (200), the upper positioning plate (301) is pressed on the upper surface of the lower positioning plate (302), and a positioning groove is provided on the upper surface of the lower positioning plate (302), so that the steel strip can accurately enter the bending device (400) after being positioned by the positioning groove; The bending device (400) comprises an upper bending wheel group and a lower bending wheel group thereunder, and the concave and convex bending rollers of the two wheels cooperate to form a bending gap to extrude and bend the steel strip, and the bent steel strip enters the guide device (500); The guide device (500) comprises an upper guide wheel group and a lower guide wheel group thereunder, and the guide rollers of the two cooperate to form a guide gap that is 90 degrees to the bending gap so as to perform 90-degree rotational guidance on the bent steel strip, and the guided steel strip enters the forming device (600); The forming device (600) comprises an upper forming wheel group and a lower forming wheel group below the upper forming wheel group, and the forming rollers of the two cooperate to form a forming gap to press and form the bent and guided steel strip, and the formed steel strip enters the arc bending device (700); The arc bending roller (701) of the arc bending device (700) is pressed on the forming roller of the lower forming wheel group so as to press the formed steel strip into a circular sealing sheet; The driving machine (3) is connected to the forming device (600) to drive the forming roller to rotate and thus provide power for the steel strip to move forward; The lower positioning plate (302) is fixed to the wall surface of the base (200) by means of transverse bolts (303), and the upper positioning plate (301) is fixed to the lower positioning plate (302) by means of vertical bolts (304); The upper bending wheel assembly comprises an upper bending roller (401), a central axis AI (402) connected to the upper bending roller (401), a bearing AI (403) sleeved outside the central axis AI (402), a sleeve I (404) sleeved outside the bearing AI (403), a spring I (405) located below the sleeve I (404) and an adjusting bolt I (406) above the sleeve I (404); the sleeve I (404) is arranged in an opening I (201) on the upper edge of the base (200); the adjusting bolt I (406) passes through a cover plate I (407) on the opening I (201) and abuts against the top of the sleeve I (404); the adjusting bolt I (406) and the spring I (405) cooperate to adjust the height of the upper bending wheel assembly; The lower bending wheel assembly comprises a lower bending roller (408), a central axis BI (409) connected to the lower bending roller (408), and a bearing BI (410) sleeved outside the central axis BI (409); the bearing BI (410) is installed in a through hole I (202) of the base (200), the through hole I (202) is located below the opening I (201), and the central axis BI (409) is parallel to the central axis AI (402); The outer wall of the upper bending roller (401) is an annular protrusion, and the outer wall of the lower bending roller (408) is an annular groove. The annular protrusion matches the annular groove and a space is left at the matching position. The bending gap of the shape; The upper bending roller (401) is fixed to the front end of the central axis AI (402) by bolts and washers; the lower bending roller (408) is fixed to the front end of the central axis BI (409) by bolts and washers; the rear end of the upper bending wheel group is provided with a rear cover plate AI (411), and the rear end of the lower bending wheel group is provided with a rear cover plate BI (412).

2. The multifunctional compression unit rabel sealing sheet pressing machine as claimed in claim 1, characterized in that: The upper guide wheel assembly comprises an upper guide roller (501), a central axis AII (502) connected to the upper guide roller (501), a bearing AII (503) sleeved outside the central axis AII (502), a sleeve II (504) sleeved outside the bearing AII (503), a spring II (505) located below the sleeve II (504) and an adjusting bolt II (506) above the sleeve II (504); the sleeve II (504) is arranged in an opening II (203) on the upper edge of the base (200); the adjusting bolt II (506) passes through a cover plate II (507) on the opening II (203) and abuts against the top of the sleeve II (504); the adjusting bolt II (506) and the spring II (505) cooperate to adjust the height of the upper guide wheel assembly; The lower guide wheel assembly comprises a lower guide roller (508), a central axis BII (509) connected to the lower guide roller (508), and a bearing BII (510) sleeved outside the central axis BII (509); the bearing BII (510) is installed in a through hole II (204) of the base (200), the through hole II (204) is located below the opening II (203), and the central axis BII (509) is parallel to the central axis AII (502); The outer wall of the upper guide roller (501) is in the shape of a step, and the outer wall of the lower guide roller (508) is in the shape of a reverse step, and the step shape matches the reverse step shape and a space is left at the matching position. Shaped guide clearance; The upper guide roller (501) is fixed to the front end of the central axis AII (502) by means of bolts and washers; the lower guide roller (508) is fixed to the front end of the central axis BII (509) by means of bolts and washers; the rear end of the upper guide wheel group is provided with a rear cover plate AII (511), and the rear end of the lower guide wheel group is provided with a rear cover plate BII (512).

3. The multifunctional compression unit rabies sealing sheet pressing machine as claimed in claim 2, characterized in that: The molding device further comprises a mounting frame (614), wherein the mounting frame (614) comprises a mounting frame body, wherein the upper portion of the mounting frame body is an opening III (615), and the lower portion of the mounting frame body is a semicircular clamping portion (616); the semicircular clamping portion (616) is clamped on the base (200), and the semicircular clamping portion (616) is provided with a through hole (617); the through hole (617) of the semicircular clamping portion (616) is coaxially connected with the through hole III (205) on the base (200); the centers of the through hole III (205) on the base (200) and the through hole II (204) and the through hole I (202) are on the same horizontal line, and the central axes thereof are parallel to each other.

4. The multifunctional compression unit rabel sealing sheet pressing machine as claimed in claim 3, characterized in that: The upper forming wheel assembly comprises an upper forming roller (601), a central axis AIII (602) connected to the upper forming roller (601), a bearing AIII (603) sleeved outside the central axis AIII (602), a sleeve III (604) sleeved outside the bearing AIII (603), a spring III (605) located below the sleeve III (604) and an adjusting bolt III (606) above the sleeve III (604); the sleeve III (604) is arranged in the opening III (615), the adjusting bolt III (606) passes through the cover plate III (607) on the opening III (615) and abuts against the top of the sleeve III (604), and the adjusting bolt III (606) and the spring III (605) cooperate to adjust the height of the upper forming wheel assembly; The lower forming wheel assembly comprises a lower forming roller (608), a central axis BIII (609) connected to the lower forming roller (608), and a bearing BIII (610) sleeved outside the central axis BIII (609); the bearing BIII (610) is installed in the through hole of the semicircular clamping portion and the through hole III (205), the through hole III (205) is located below the opening III (615), and the central axis BIII (609) is parallel to the central axis AIII (602); The outer wall of the upper forming roller (601) is stepped and a curved protrusion is provided at the stepped boss. The outer wall of the lower forming roller (608) is reverse stepped and a curved groove is provided at the step angle of the reverse stepped shape. The stepped shape matches the reverse stepped shape and the curved protrusion and the curved groove match and leave a space at the matching position. The forming gap of the shape; The upper forming roller (601) is fixed to the front end of the central shaft AIII (602) by bolts and washers; the lower forming roller (608) is fixed to the front end of the central shaft BIII (609) by bolts and washers; the front end of the central shaft BIII (609) is also connected to a pipe (613) for hanging a pressed circular sealing sheet; the rear end of the upper forming wheel group is provided with a rear cover plate AIII (611), and the rear end of the lower forming wheel group is provided with a rear cover plate BIII (612).

5. The multifunctional compression unit rabel sealing sheet pressing machine as claimed in claim 4, characterized in that: A coaxial gear I (619) is fixed at the rear end of the central shaft AIII (602), and the gear I (619) is connected to the central shaft AIII (602) through bolts and washers. A coaxial gear II (620) is fixed at the rear end of the central shaft BIII (609), and the gear II (620) is connected to the central shaft BIII (609) through bolts and washers. The gear I (619) is meshed with the gear II (620); the gear III (31) of the driving machine (3) is meshed with the gear II (620) to drive the central shaft BIII (609) and the central shaft AIII (602) to rotate; A worm (621) and a turbine (622) are provided below the mounting frame (614), and the mounting frame (614) can be driven to rotate around the central axis BIII (609) through the action of the worm (621) and the turbine (622).

6. The multifunctional compression unit rabel sealing sheet pressing machine as claimed in claim 4, characterized in that: The arc bending device (700) comprises a bracket (702), an arc bending roller (701), an adjustment pin (703), a bearing (704) and a locking nut (705); The upper portion of the bracket (702) is provided with a vertically arranged mounting hole (706), and one side of the upper portion of the mounting frame (614) is correspondingly provided with a plurality of circular holes (618), so that the bracket (702) can be mounted on the upper portion of one side of the mounting frame (614), and the mounting height of the bracket (702) can be adjusted through the mounting hole (706) and the plurality of circular holes (618); The adjusting pin (703) passes through the lower part of the bracket (702), and a bearing (704) and a locking nut (705) are respectively sleeved on both ends of the adjusting pin (703), and the arc bending roller (701) is sleeved on the outer surface of the bearing (704); the adjusting pin (703) and the bracket (702) are threadedly connected, and the axial position of the adjusting pin (703) and the arc bending roller (701) can be adjusted through the locking nut (705); The arc bending roller (701) is located at the outlet of the upper forming roller (601) and the lower forming roller (608) for outputting the steel strip, and is in contact with the lower forming roller (608). The outer wall of the arc bending roller (701) is provided with a curved protrusion so as to cooperate with the curved groove of the lower forming roller (608) to press the formed steel strip into a circular sealing sheet.

7. The multifunctional compression unit rapier sealing sheet pressing machine as claimed in claim 6, characterized in that: A clamping and straightening roller group (800) is provided at the entrance of the upper forming roller (601) and the lower forming roller (608) for inputting the steel strip, and the clamping and straightening roller group comprises an upper straightening roller (801) and a lower straightening roller (802). The upper straightening roller (801) and the lower straightening roller (802) cooperate with each other to clamp the steel strip to keep it horizontal so as to prevent the problem of the steel strip at the entrance from tilting when the bending device (700) bends the steel strip at the exit. The upper straightening roller (801) is installed on the base (200) through an upper transverse adjustment member (803) and its horizontal position is adjustable, and the lower straightening roller (802) is installed on the base (200) through a lower transverse adjustment member (804) and its horizontal position is adjustable.

8. A method for pressing a Rabeling sealing sheet by a multifunctional Rabeling sealing sheet pressing machine for a compressor unit, characterized in that: The method is implemented by the pressing machine according to claim 7, comprising the following steps: Under the guidance of the positioning device, the steel strip enters the bending device accurately, and the two bending rollers of the bending device bend the steel strip into a qualified size. Shape, the bent steel strip enters the guide device; The bent steel strip is rotated 90° by the two guide rollers of the guide device to form a Shape, the guided steel strip enters the forming device; Under the action of the two forming rollers of the forming device, the bent and guided steel strip is pressed into Shaped steel strip; Under the action of the bending roller and the lower forming roller of the bending device, the formed steel belt is pressed into a circular sealing sheet; the driving machine drives the forming roller of the forming device to rotate to drive the steel belt to move continuously and then continuously press.

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