CN111745891B - Screw motor rotor surface dressing device and processing method - Google Patents
Screw motor rotor surface dressing device and processing method Download PDFInfo
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- CN111745891B CN111745891B CN202010560297.2A CN202010560297A CN111745891B CN 111745891 B CN111745891 B CN 111745891B CN 202010560297 A CN202010560297 A CN 202010560297A CN 111745891 B CN111745891 B CN 111745891B
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- die plate
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 239000004636 vulcanized rubber Substances 0.000 claims description 10
- 229920001187 thermosetting polymer Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002114 nanocomposite Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C45/14221—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/7207—Heating or cooling of the moulded articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a screw motor rotor surface dressing device and a processing method, wherein the dressing device comprises a dressing mould, the dressing mould comprises an upper mould plate and a lower mould plate, groove bodies are arranged in the upper mould plate and the lower mould plate, a rotor is arranged in the groove bodies, a hot runner is arranged above the upper mould plate and communicated with the groove bodies, a plurality of spiral crossed knife grooves are arranged on the outer surface of the rotor, bumps are formed between the knife grooves, knife grooves (601) between the bumps are filled with dressing through the hot runner, the processing method is that CNC processes the crossed spiral groove bodies to form a plurality of bulges which are arranged along the spiral lines, only edges of the bulges are chamfered, and the tops of the bulges are not chamfered, so that the contact area between the dressing and the outer surface of the rotor is increased, the adhesive strength is improved, and the service life of the whole rotor is prolonged.
Description
Technical Field
The invention relates to the field of screw motor rotor dressing processing, in particular to a screw motor rotor surface dressing device and a processing method.
Background
The screw pump is widely used as a feeding device, is a positive displacement rotor pump, sucks and discharges materials by means of the volume change of a sealing cavity formed by a rotor and a stator, has the advantages of stable flow, small pressure pulsation, self-priming capability, low noise, high efficiency, long service life, reliable work and the like, does not form vortex when conveying media, is insensitive to the viscosity of the media, can convey high-viscosity media, is applied to the conveying of petroleum stock solution and other substances, has the friction phenomenon between the rotor and the stator when the screw pump works, has serious abrasion, short service life, is easy to generate spark when in friction, and cannot convey inflammable materials.
The screw pump for oil extraction operation of the existing oil field comprises a rotor and a stator, wherein the stator consists of a metal stator tube and a rubber layer of an inner liner of the metal stator tube, the matching part of an inner cavity of the rubber layer of the stator and the rotor is spiral, and the rubber layer is uneven in thickness and wall thickness at each part due to the fact that the section shapes of the inner wall and the outer wall of the rubber layer are different, the rubber layer is uneven in shrinkage at each part, so that the rotor and the stator are easy to wear when being matched, and the meshing state of the rotor and the stator is poor; in addition, because the rubber layers are different in thickness, the meshing cavity-dividing points at the positions with large rubber layer thickness have low bearing capacity and poor heat dissipation, so that the working efficiency and the service life of the screw pump are reduced.
Chinese patent CN104065187B "a gradient coated screw drilling tool motor" relates to a gradient coated screw drilling tool motor, its structure includes rotor and stator, and its characteristics include surface coating, gradient structure and nanocomposite. The coating on the outer surface of the rotor can increase the corrosion resistance and wear resistance of the rotor and prolong the service life of the rotor of the screw motor; the gradient structure can fully utilize the performance of the material and reduce the material cost; the use of the nanocomposite can reduce the friction coefficient and reduce the adhesion of mud; the gradient coating screw drilling tool motor is particularly suitable for occasions of high rotating speed and complex severe drilling stratum.
The screw pump rotor disclosed by the Chinese patent CN 205154621U can reduce the abrasion between the screw pump rotor and the screw pump stator, prolong the service life, avoid spark generation between the screw pump rotor and the stator, be used for conveying inflammable materials, enlarge the application range, create conditions for manufacturing the stator by adopting metal materials, further ensure the heat conductivity of the stator, improve the heat dissipation effect and facilitate the safe and stable operation of the screw pump.
The rotor of the screw pump of Chinese patent CN108061031A comprises a spiral metal rotor skeleton, a rubber layer is uniformly fixed on the spiral metal rotor skeleton in a spiral manner, and the thicknesses of the rubber layer are equal. The dressing is carried out on the rotor surface in the above-mentioned patent, but the dressing is generally all with the dressing that rotor smooth surface goes on, and surface rubber dressing is lower with rotor smooth surface area of contact, and adhesive strength is bottom, and the rubber dressing on rotor surface drops easily and influences the life of whole rotor.
Disclosure of Invention
The invention mainly aims to provide a screw motor rotor surface dressing device and a processing method, which solve the problems that friction phenomenon can occur between stators, abrasion is serious, service life is short, sparks are easy to occur during friction, inflammable materials cannot be conveyed, and rubber dressing on the rotor surface is easy to fall off to influence the service life of the whole rotor.
In order to solve the technical problems, the invention adopts the following technical scheme: the dressing device comprises a dressing mould, wherein the dressing mould comprises an upper template and a lower template, a groove body is arranged in the upper template and the lower template, a rotor is arranged in the groove body, a hot runner is arranged above the upper template, and the hot runner is communicated with the groove body;
the outer surface of the rotor is provided with a plurality of knife grooves crossed by spiral lines, protruding blocks are formed between the knife grooves, and the knife grooves between the protruding blocks are filled with dressing through a hot runner.
In a preferred embodiment, the dressing is vulcanized rubber or is a thermosetting resin;
the upper template and the lower template are internally provided with a plurality of cooling channels, one ends of the cooling channels are provided with flow channel inlets and outlets, and the other ends of the cooling channels are provided with a plurality of flow channel plugs.
In the preferred scheme, a plurality of guide sleeves are arranged on the upper template, a plurality of guide rods are arranged on the lower template, and the guide rods are matched with the guide sleeves.
In the preferred scheme, sealing strips are arranged on the outer edges of the upper template and the lower template.
In the preferred scheme, the upper die plate top is equipped with the second cylinder, the flexible end of second cylinder is connected with the upper die plate, still is equipped with the floor, the lower bolster is established on the floor.
In the preferred scheme, dressing mould one side is equipped with the movable table, be equipped with on the movable table through first cylinder and floor one side sliding connection.
In the preferred scheme, be equipped with at least a set of tight head of clamp on the movable table, press from both sides tight head and movable table sliding connection, be equipped with the slide rail on the movable table, it is equipped with the slider to press from both sides tight head, the slider is established on the slide rail.
In the preferred scheme, a chuck driving device is arranged on the movable table and connected with a plurality of clamping heads, the chuck driving device comprises a motor, a screw rod is arranged at the output end of the motor, and the screw rod is in threaded connection with the clamping heads;
the floor is characterized in that a plurality of guide seats are arranged on one side of the floor, at least one guide rod is arranged below the plate body of the movable table, and the guide rod is in sliding connection with the guide seats.
In the preferred scheme, the clamping head comprises a first clamping head and a second clamping head, the first clamping head comprises a round chuck, one end of the round chuck is provided with a thread block, the thread block is in threaded connection with the screw rod, a connecting block is arranged between the thread block and the round chuck, and the sliding block is arranged below the connecting block;
the end part of the rotor is provided with a rotating head, the rotating head is provided with a clamping groove, a positioning clamp is arranged inside the round chuck, and the positioning clamp is clamped inside the clamping groove.
The method comprises the following steps:
s1, machining oblique crossed cutter grooves on the surface of a screw section of a screw motor rotor on a machining center by utilizing a cutter, forming a convex block between the cutter grooves and the cutter grooves, forming a plurality of bulges which are arranged along a spiral line, and chamfering only edges of the bulges;
s2, placing a rotor for machining the obliquely crossed knife grooves on a first clamping head, lifting the first clamping head through a first cylinder, driving a motor, and driving the first clamping head to slide between an upper die plate and a lower die plate of the dressing die;
s3, the first cylinder is retracted, so that the rotor is conveyed into the groove body of the lower template, and the second cylinder is lifted, so that the upper template and the lower template are closed;
s4, injecting plastic into the hot runner, and dressing the knife groove on the surface of the rotor;
s5, the cooling channel is started while plastic is injected into the cooling channel, and the cooling channel cools the surface of the rotor;
s6, after dressing is finished, installing a next rotor on the second clamping head, clamping the rotating head inside the round chuck, and after the dressing is finished;
s7, retracting a second air cylinder, lifting the upper die plate, lifting the first air cylinder, lifting the first clamping head and the second clamping head simultaneously, driving a motor to enable the first clamping head to move to one side of the plate body to wait for cooling, and simultaneously enabling the second clamping head to move between the lower die plate and the upper die plate;
s8, the first cylinder is retracted to enable the second clamping head to be arranged in the groove body of the lower template, the second cylinder is lifted to enable the upper template and the lower template to be closed, and the rotor on the first clamping head, on which dressing is completed, is cooled;
and S9, after cooling, taking down the rotor on the first clamping head, which has completed dressing, and dressing the rotor on the second clamping head, wherein after dressing is completed, the first clamping head and the second clamping head alternately dressing.
The invention provides a dressing device for the surface of a screw motor rotor and a processing method, wherein the service life of the screw motor is shorter, usually 500 hours, and the processing difficulty of a sleeve is higher than that of a rotor. Thus, the rotor is intended to be provided as a wearing part. On the basis of ensuring the performance, the service life of the screw motor is further prolonged, the screw motor rotor is used as a vulnerable part to be matched with a stator cylinder body with metal texture, the accumulated deformation of rubber on the surface of the rotor can be effectively reduced, the adhesive strength is improved by increasing the contact area, the service life of the whole rotor is prolonged, the deformation resistance of the rotor in the movement process is good, the engagement state of the rotor and the stator is good, the working efficiency is high, sparks are avoided from being generated between the rotor and the stator, the screw motor rotor can be used for conveying inflammable materials, and the screw pump can safely and stably run.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic illustration of a second clamping head of the present invention in a dressing configuration;
FIG. 2 is a block diagram of a first clamping head of the present invention being used in a dressing;
FIG. 3 is a schematic illustration of the dressing mold of the present invention in an isolated configuration;
FIG. 4 is a diagram of the second clamping head and first clamping head lifting structure of the present invention;
FIG. 5 is a block diagram of the overall construction of the dressing mold of the present invention;
FIG. 6 is an exploded view of the dressing mold of the present invention;
FIG. 7 is a diagram of the upper template structure of the present invention;
FIG. 8 is a block diagram of the mounting of the movable stage, first clamping head and second clamping head of the present invention;
FIG. 9 is a diagram of the exterior construction of the rotor of the present invention;
FIG. 10 is a diagram of a rotor and clamping head mounting configuration A of the present invention;
FIG. 11 is a block diagram B of the rotor and clamping head mounting of the present invention;
in the figure: a floor 1; a guide holder 101; a movable table 2; a plate body 201; a guide bar 202; a first cylinder 3; a first clamping head 4; a circular chuck 401; a threaded block 402; a connection block 403; a locator card 404; a second clamping head 5; a rotor 6; a knife slot 601; a dressing 602; a spin head 603; a card slot 604; a dressing mold 7; a hot runner 701; an upper template 702; a lower template 703; a guide sleeve 704; a mounting base 705; a flow channel inlet and outlet 706; a flow passage plug 707; a cooling channel 708; a guide bar 709; a sealing strip 710; a second cylinder 8; a mounting plate 9; a chuck driving device 10; a screw 1001; a slide rail 1002; a slider 1003; a motor 1004.
Detailed Description
Example 1
As shown in fig. 1-11, a screw motor rotor surface dressing device comprises a dressing mold 7, wherein the dressing mold 7 comprises an upper mold plate 702 and a lower mold plate 703, a groove body is arranged in the upper mold plate 702 and the lower mold plate 703, a rotor 6 is arranged in the groove body, a hot runner 701 is arranged above the upper mold plate 702, and the hot runner 701 is communicated with the groove body. With this structure, the upper mold plate 702 and the lower mold plate 703 form a cavity of the dressing, a certain distance is reserved between the cavity and the rotor 6, and because the vulcanized rubber or the thermosetting resin flows, the upper mold plate 702 and the lower mold plate 703 are also provided with vent holes, the gap between the vent holes is smaller than the plastic edge overflow value, and the hot runner 701 is used for conveying the vulcanized rubber thermosetting resin.
The outer surface of the rotor 6 is provided with a plurality of knife grooves 601 with crossed spiral lines, protruding blocks are formed among the knife grooves 601, and the knife grooves 601 among the protruding blocks are filled with dressing 602 through hot runner 701. From this structure, the processing method is CNC processing out crisscross spiral cell body, forms a plurality of archs of arranging along the helix, and protruding only the arris portion chamfer, the top is not chamfer for increase dressing 602 and rotor 6 surface's area of contact, improve adhesion strength, extension whole rotor's life.
In a preferred embodiment, the dressing 602 is a vulcanized rubber with a thermosetting resin disposed therebetween. With the structure, the vulcanized rubber is vulcanized rubber, has the characteristics of no tackiness, difficult breakage and the like, and rubber products are mostly made of the rubber. Also known as cooked rubber, known as rubber or rubber skin. The rubber is generally called after being vulcanized. The vulcanized rubber has a space three-dimensional structure, and has high elasticity, heat resistance, tensile strength, insolubility in organic solvents and the like. The rubber products are mostly vulcanized rubber.
Thermosetting resin means a resin which is chemically changed after being heated, gradually hardened and molded, and is not softened nor dissolved after being heated. The resin is heated to generate chemical change, gradually hardened and formed, and is not softened or dissolved after being heated. The thermosetting resin has a molecular structure of a body type and comprises most of condensed resin, and has the advantages of high heat resistance and difficult deformation under pressure. The disadvantage is the poor mechanical properties. Examples of the thermosetting resin include phenol, epoxy, amino, unsaturated polyester and silyl ether resins.
In a preferred embodiment, a plurality of cooling channels 708 are provided in the upper and lower templates 702 and 703, and a plurality of flow channel plugs 707 are provided at one end of the cooling channels 708, and a plurality of flow channel inlets 706 are provided at the other end of the cooling channels 708. With this structure, the cooling passage 708 is used for cooling, and the flow passage plug 707 is used for blocking the flow passage.
In a preferred embodiment, the upper template 702 is provided with a plurality of guide sleeves 704, the lower template 703 is provided with a plurality of guide rods 709, and the guide rods 709 are matched with the guide sleeves 704. With this structure, the guide sleeve 704 is matched with the guide rod 709, so that the upper template 702 and the lower template 703 are matched more accurately.
In a preferred embodiment, the outer edges of the upper template 702 and the lower template 703 are provided with sealing strips 710. With this structure, the sealing strip 710 functions as a seal.
In a preferred embodiment, a second air cylinder 8 is disposed above the upper template 702, a telescopic end of the second air cylinder 8 is connected with the upper template 702, a floor 1 is further disposed, and the lower template 703 is disposed on the floor 1. With this structure, the second cylinder 8 is mounted by the mounting plate 9, and the second cylinder 8 controls the upper die plate 702 to slide up and down.
In the preferred scheme, dressing mould 7 one side is equipped with movable table 2, be equipped with on the movable table 2 through first cylinder 3 with floor 1 one side sliding connection. With this structure, the movable table 2 is used for installing the clamping head and is slidably connected with the floor 1.
In the preferred scheme, be equipped with at least a set of clamp head on the movable table 2, clamp head and movable table 2 sliding connection, be equipped with slide rail 1002 on the movable table 2, be equipped with the slider 1003 on the clamp head, the slider 1003 is established on slide rail 1002. With this structure, the clamping head is used to clamp the rotor 6.
In a preferred scheme, a chuck driving device 10 is arranged on the movable table 2, the chuck driving device 10 is connected with a plurality of clamping heads, the chuck driving device 10 comprises a motor 1004, a screw rod 1001 is arranged at the output end of the motor 1004, and the screw rod 1001 is in threaded connection with the clamping heads. With this structure, the chuck driving device 10 is used for controlling the clamping head to move left and right, and the screw 1001 drives the clamping head to move left and right.
A plurality of guide seats 101 are arranged on one side of the floor 1, at least one guide rod 202 is arranged below a plate body 201 of the movable table 2, and the guide rod 202 is in sliding connection with the guide seats 101. With this structure, the guide holder 101 is used for guiding the movable table 2.
In the preferred scheme, the clamping head includes first clamping head 4 and second clamping head 5, and first clamping head 4 includes circle chuck 401, and circle chuck 401 one end is equipped with screw thread piece 402, screw thread piece 402 and lead screw 1001 threaded connection, be equipped with connecting block 403 between screw thread piece 402 and the circle chuck 401, the slider 1003 is established in the connecting block 403 below. With this structure, the first clamping head 4 and the second clamping head 5 are identical in structure, the screw block 402 is screwed with the screw 1001, and the connection block 403 is used for mounting the slider 1003.
The end of the rotor 6 is provided with a rotating head 603, the rotating head 603 is provided with a clamping groove 604, the inside of the round chuck 401 is provided with a positioning card 404, and the positioning card 404 is clamped inside the clamping groove 604. With this structure, the inner locking groove 604 of the rotating head 603 is locked with the positioning card 404, so as to prevent the rotor 6 from rotating and play a role in positioning.
Example 2
As further described in connection with embodiment 1, as shown in fig. 1 to 11, the screw motor rotor 6 is processed with a cutter on a processing center to form a cutter groove 601 obliquely crossing the surface of the screw section of the rotor 6, and a plurality of protrusions arranged along a spiral line are formed by forming a bump between the cutter groove 601 and the cutter groove 601, and only the edges of the protrusions are chamfered.
The rotor 6 for processing the obliquely crossed knife groove 601 is placed on the first clamping head 4, the first clamping head 4 is lifted up through the first cylinder 3, and the motor 1004 drives the first clamping head 4 to slide between the upper die plate 702 and the lower die plate 703 of the dressing die 7.
The first cylinder 3 is retracted to convey the rotor 6 into the groove of the lower die plate 703, and the second cylinder 8 is lifted to close the upper die plate 702 and the lower die plate 703.
The hot runner 701 starts to inject plastic and the knife channel 601 on the surface of the rotor 6 is coated.
The cooling passage 708 opens the cooling passage 708 at the same time as the injection of the plastic, and the cooling passage 708 cools the surface of the rotor 6.
After the dressing is finished, the next rotor 6 is installed on the second clamping head 5, the rotating head 603 is clamped inside the round chuck 401, and after the dressing is finished.
The second cylinder 8 is retracted to lift the upper die plate 702, the first cylinder 3 is lifted to lift the first clamping head 4 and the second clamping head 5 at the same time, and the motor 1004 is driven to move the first clamping head 4 to the side of the plate body 201 to wait for cooling, and the second clamping head 5 is moved between the lower die plate 703 and the upper die plate 702.
The first cylinder 3 is retracted to enable the second clamping head 5 to be arranged in the groove body of the lower template 703, the second cylinder 8 is lifted to enable the upper template 702 and the lower template 703 to be closed, and the rotor 6 on the first clamping head 4, on which dressing is finished, is cooled.
After cooling, the rotor 6 on the first clamping head 4 which is already finished with dressing is taken down, the rotor 6 on the second clamping head 5 is finished with dressing, and after dressing is finished, the first clamping head 4 and the second clamping head 5 alternately dressing.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (4)
1. A processing method of a screw motor rotor surface dressing device is characterized by comprising the following steps: the dressing mold comprises a dressing mold (7), wherein the dressing mold (7) comprises an upper mold plate (702) and a lower mold plate (703), a groove body is formed in the upper mold plate (702) and the lower mold plate (703), a rotor (6) is arranged in the groove body, a hot runner (701) is arranged above the upper mold plate (702), and the hot runner (701) is communicated with the groove body;
a plurality of knife grooves (601) with spiral lines crossing are formed on the outer surface of the rotor (6), protruding blocks are formed among the knife grooves (601), and the knife grooves (601) among the protruding blocks are injected into the dressing (602) through a hot runner (701);
a movable table (2) is arranged on one side of the dressing die (7), and the movable table (2) is connected with one side of the floor (1) in a sliding way through a first air cylinder (3);
the movable table (2) is provided with at least one group of clamping heads, the clamping heads are in sliding connection with the movable table (2), the movable table (2) is provided with a sliding rail (1002), the clamping heads are provided with sliding blocks (1003), and the sliding blocks (1003) are arranged on the sliding rail (1002);
the movable table (2) is provided with a chuck driving device (10), the chuck driving device (10) is connected with a plurality of clamping heads, the chuck driving device (10) comprises a motor (1004), the output end of the motor (1004) is provided with a screw rod (1001), and the screw rod (1001) is in threaded connection with the clamping heads;
a plurality of guide seats (101) are arranged on one side of the floor (1), at least one guide rod (202) is arranged below a plate body (201) of the movable table (2), and the guide rod (202) is in sliding connection with the guide seats (101);
the clamping head comprises a first clamping head (4) and a second clamping head (5), the first clamping head (4) comprises a round chuck (401), one end of the round chuck (401) is provided with a thread block (402), the thread block (402) is in threaded connection with a screw rod (1001), a connecting block (403) is arranged between the thread block (402) and the round chuck (401), and the sliding block (1003) is arranged below the connecting block (403);
the end part of the rotor (6) is provided with a rotating head (603), the rotating head (603) is provided with a clamping groove (604), a positioning card (404) is arranged inside the round chuck (401), and the positioning card (404) is clamped inside the clamping groove (604);
a second air cylinder (8) is arranged above the upper template (702), the telescopic end of the second air cylinder (8) is connected with the upper template (702), a floor (1) is further arranged, and the lower template (703) is arranged on the floor (1);
the method comprises the following steps:
s1, a screw motor rotor (6) is used for processing a cutter groove (601) with crossed spiral lines on the surface of a screw section of the rotor (6) on a processing center by utilizing a cutter, a convex block is formed between the cutter groove (601) and the cutter groove (601), a plurality of convex blocks which are arranged along the spiral lines are formed, and only edges of the convex blocks are chamfered;
s2, placing a rotor (6) for machining a cutter groove (601) which is obliquely crossed to a first clamping head (4), lifting the first clamping head (4) through a first cylinder (3), driving a motor (1004) to drive the first clamping head (4) to slide between an upper die plate (702) and a lower die plate (703) of a dressing die (7);
s3, the first cylinder (3) is retracted, so that the rotor (6) is conveyed into the groove body of the lower template (703), and the second cylinder (8) is lifted, so that the upper template (702) and the lower template (703) are closed;
s4, injecting vulcanized rubber or thermosetting resin into the hot runner (701), and dressing the knife groove (601) on the surface of the rotor (6), wherein the dressing only fills the knife groove (601);
s5, opening the cooling channel (708) when plastic is injected into the cooling channel (708), and cooling the surface of the rotor (6) by the cooling channel (708);
s6, after dressing is finished, installing a next rotor (6) on the second clamping head (5), clamping the rotating head (603) inside the circular clamping head (401), and finishing the installation;
s7, a second air cylinder (8) is retracted, an upper die plate (702) is lifted, a first air cylinder (3) is lifted, a first clamping head (4) and a second clamping head (5) are lifted at the same time, a motor (1004) is driven, the first clamping head (4) is moved to one side of a plate body (201) to wait for cooling, and the second clamping head (5) is moved between a lower die plate (703) and the upper die plate (702);
s8, the first air cylinder (3) is retracted to enable the second clamping head (5) to be arranged in the groove body of the lower die plate (703), the second air cylinder (8) is lifted to enable the upper die plate (702) and the lower die plate (703) to be closed, and the rotor (6) on the first clamping head (4) after dressing is completed is cooled;
and S9, after cooling, taking down the rotor (6) on the first clamping head (4) after dressing is completed, dressing the rotor (6) on the second clamping head (5), and after dressing is completed, alternately dressing the first clamping head (4) and the second clamping head (5).
2. The method for processing the screw motor rotor surface dressing device according to claim 1, wherein the method comprises the following steps: the dressing (602) is vulcanized rubber or is a thermosetting resin;
a plurality of cooling channels (708) are arranged in the upper die plate (702) and the lower die plate (703), one ends of the cooling channels (708) are provided with flow channel inlets and outlets (706), and the other ends of the cooling channels are provided with a plurality of flow channel plugs (707).
3. The method for processing the screw motor rotor surface dressing device according to claim 1, wherein the method comprises the following steps: the upper die plate (702) is provided with a plurality of guide sleeves (704), the lower die plate (703) is provided with a plurality of guide rods (709), and the guide rods (709) are matched with the guide sleeves (704).
4. The method for processing the screw motor rotor surface dressing device according to claim 1, wherein the method comprises the following steps: and sealing strips (710) are arranged on the outer edges of the upper template (702) and the lower template (703).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2309286A1 (en) * | 1999-05-25 | 2000-11-25 | Tarby, Inc. | Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings |
| JP2008196364A (en) * | 2007-02-13 | 2008-08-28 | Kobe Steel Ltd | Method and device for manufacturing screw rotor |
| CN102587827A (en) * | 2010-11-29 | 2012-07-18 | 普拉德研究及开发股份有限公司 | Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same |
| WO2012114177A1 (en) * | 2011-02-22 | 2012-08-30 | Molmasa Aplicaciones Tecnicas, S.L. | Transferring device for transferring moulded parts applicable to plastic injection moulds |
| CN207711174U (en) * | 2017-12-28 | 2018-08-10 | 大连泰一半导体设备有限公司 | A kind of hybrid power rotor epoxy resin encapsulating die |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020084029A1 (en) * | 1997-10-15 | 2002-07-04 | Aps Technology, Inc. | Stator especially adapted for use in a helicoidal pump/motor and method of making same |
| US7407372B2 (en) * | 2004-05-14 | 2008-08-05 | Robbins & Myers Energy Systems L.P. | Progressing cavity pump or motor |
-
2020
- 2020-06-18 CN CN202010560297.2A patent/CN111745891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2309286A1 (en) * | 1999-05-25 | 2000-11-25 | Tarby, Inc. | Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings |
| US6170572B1 (en) * | 1999-05-25 | 2001-01-09 | Delaware Capital Formation, Inc. | Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings |
| JP2008196364A (en) * | 2007-02-13 | 2008-08-28 | Kobe Steel Ltd | Method and device for manufacturing screw rotor |
| CN102587827A (en) * | 2010-11-29 | 2012-07-18 | 普拉德研究及开发股份有限公司 | Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same |
| WO2012114177A1 (en) * | 2011-02-22 | 2012-08-30 | Molmasa Aplicaciones Tecnicas, S.L. | Transferring device for transferring moulded parts applicable to plastic injection moulds |
| CN207711174U (en) * | 2017-12-28 | 2018-08-10 | 大连泰一半导体设备有限公司 | A kind of hybrid power rotor epoxy resin encapsulating die |
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| CN111745891A (en) | 2020-10-09 |
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