CN117754821A - Die for manufacturing plum blossom liquid pump rotor - Google Patents

Abstract

The invention discloses a die for manufacturing a quincuncial liquid pump rotor, wherein the rotor comprises a metal body and an engineering plastic layer, and comprises a lower die disc for placing and limiting the metal body; the upper die monomers are detachably connected with the lower die disc through a second fastening mechanism; the upper die unit comprises an upper inner die and an upper outer die, the upper inner die is nested at the inner side of the upper outer die, and the engineering plastic layer is formed by secondary injection molding along the metal body through the upper inner die, the upper outer die and the lower die disc. The invention not only can realize the secondary injection molding of the engineering plastic layer on the rotor, but also can control the deformation of the engineering plastic layer, improve the bonding strength and stability between the engineering plastic layer and the metal body, further improve the processing quality of the rotor and prolong the service life of the rotor.

Description

Die for manufacturing plum blossom liquid pump rotor

Technical Field

The invention relates to the technical field of dies, in particular to a die for manufacturing a plum blossom liquid pump rotor.

Background

In the field of refrigerant conveying, a volumetric pump, a rotor pump or a centrifugal pump is adopted for refrigerant conveying, metal powder can fall down due to abrasion during operation, a motor is burnt out, and meanwhile, a conventional pump needs lubricating oil or a lubricant to exist during operation.

Computer servers, network devices, and other equipment in a data center generate heat when in operation. This heat needs to be removed for the data center equipment to function properly. The performance of a data center is affected by its operating temperature and if the components are not sufficiently cooled, its operating efficiency may be affected. Data centers are typically organized into rows of racks containing heat-generating electronic equipment. Heat can significantly reduce the performance of a data center. Such as slow request processing, high energy consumption, and premature component failure.

However, in the data center cooling system, the medium such as lubricating oil or lubricant cannot exist and flows into the system through the cooling channel, so that the data center cooling system is in an oil-free state, abrasion of an internal friction pair is aggravated, and the working efficiency and the service life of the cooling system are affected.

When the rotor in the prior art is subjected to injection molding, the injection molding layer can shrink after cooling, so that the rotor is easy to deform, and the processing quality of the rotor is affected.

Disclosure of Invention

The invention aims to provide a technical scheme of a mould for manufacturing a plum blossom liquid pump rotor, which aims at overcoming the defects of the prior art, not only can realize the secondary injection molding of an engineering plastic layer on the rotor, but also can control the deformation of the engineering plastic layer, improve the bonding strength and stability between the engineering plastic layer and a metal body, further improve the processing quality of the rotor and prolong the service life of the rotor.

In order to solve the technical problems, the invention adopts the following technical scheme:

a mould for making plum blossom liquid pump rotor, rotor include metal body and engineering plastic layer, its characterized in that: comprising

The lower die disc is used for placing and limiting the metal body;

the upper die monomers are detachably connected with the lower die disc through a second fastening mechanism;

the upper die unit comprises an upper inner die and an upper outer die, the upper inner die is nested at the inner side of the upper outer die, and the engineering plastic layer is formed by secondary injection molding along the metal body through the upper inner die, the upper outer die and the lower die disc.

Through the design of above-mentioned structure, not only can realize the secondary injection moulding of engineering plastic layer on the rotor, can control engineering plastic layer's deflection moreover, improve bonding strength and stability between engineering plastic layer and the metal body, further improve the processingquality of rotor, extension rotor's life.

Further, go up outer mould and include first mould lid, along the marginal integrated into one piece's of first mould lid keep off ring and at least two first mould shells of being connected in first mould lid, keep off the ring and connect first mould shell through first mould lid, be equipped with the interface pipe of moulding plastics on the first mould shell, first mould shell and first mould lid all connect the interior mould through the fastener, go up the second injection moulding that outer mould is used for the engineering plastics layer, when demolish interior mould thickness, can mould plastics the second floor engineering plastics layer between last outer mould and first layer engineering plastics layer, effectively improved engineering plastics layer's deflection control, keep off the ring and can support the outer circumference side of metal body, the fastener has improved the stability and the reliability of going up being connected between interior mould and the outer mould.

Further, the first mould shell is equipped with the assembly piece, is equipped with the arc wall on the assembly piece, and fastening ring and arc wall assorted, through the design of assembly piece, the installation of fastening ring of being convenient for improves joint strength and stability between two adjacent last mould monomers, avoids when moulding plastics, and the material of moulding plastics flows from the gap between two last mould monomers.

Further, go up the interior mould shell including integrated into one piece's second mould shell and second mould lid, the second mould shell laminating is in the inboard of first mould shell, and the second mould lid laminating is in the inboard of first mould lid, and the edge of second mould lid supports the baffle ring, and the second mould shell is equipped with the hole of moulding plastics that communicates each other with the interface pipe of moulding plastics on the first mould shell, is convenient for carry out the first injection moulding time, makes in the space that the moulding plastics can get into between second mould shell, second mould lid and the metal body, forms first layer engineering plastic layer.

Further, the inner walls of the second mold shell and the first mold shell are obliquely arranged, the included angle between the inner wall of the second mold shell and the horizontal direction is a, the included angle between the inner wall of the first mold shell and the horizontal direction is b, wherein 70 degrees is less than a=b less than 90 degrees, demolding during one-time injection molding and two-time injection molding is facilitated, and deformation of an engineering plastic layer is prevented.

Further, the first fastening mechanism includes fastening bolt and fastening block, and the fastening block is fixed in outer mould, and fastening bolt connects in two adjacent fastening blocks, and fastening bolt is equipped with fastening nut, connects the fastening block through fastening bolt and fastening nut, can further improve the connection compactness between two adjacent upper mould monomers.

Further, the second fastening mechanism comprises a buckle plate, a sliding rail and a sliding block, wherein the buckle plate is fixed on the outer side edge of the upper outer die through an L-shaped support, the sliding rail is annularly distributed on the outer circumferential side face of the lower die plate, the sliding block is slidably connected with the sliding rail, the sliding block is inserted into the sliding block through the buckle plate, the fixed assembly between the upper die single body and the lower die plate is achieved, the L-shaped support improves the connection strength between the buckle plate and the upper outer die, the sliding block can slide along the sliding rail, and the installation or the disassembly of the upper outer die are facilitated.

Further, the both ends of slide rail are equipped with first baffle and second baffle respectively, the second baffle supports the buckle, the second baffle is equipped with the second fixed orifices, the slider is equipped with the fourth fixed orifices, pass the second fixed orifices through the screw and insert the fourth fixed orifices, realize fixed connection between slider and the second baffle, when outer mould to the bed die dish need be assembled, only need place outer mould on the bed die dish, and make the one end of buckle support the second baffle can, slide the slider to one side of second baffle again, realize that the slider is spacing the buckle, make outer mould and bed die dish fixed connection, the screw can improve the connection stability between slider and the second baffle, it influences the quality of moulding plastics to avoid outer mould to take place to rotate when moulding plastics.

Further, the upper and lower bilateral symmetry of slide rail is equipped with first spacing, is equipped with first support bar and second support bar on the slider, cooperates between first support bar and the second support bar and forms the guide slot, and guide slot and first spacing assorted all are equipped with the spacing of second on first support bar and the second support bar, and the spacing of second supports first spacing, through the design of the spacing of first spacing and second, guarantees that the slider can follow the circumference and slide, improves assembly accuracy, can prevent the outward looks department of slider simultaneously, improves the stability of connection.

Further, be equipped with the draw-in groove on the slider, draw-in groove and buckle assorted, the one end of draw-in groove is equipped with the locating plate, the locating plate supports the buckle, be equipped with the third fixed orifices in the draw-in groove, be equipped with first fixed orifices on the buckle, pass the third fixed orifices through the screw and be connected to first fixed orifices, realize the fixed connection between buckle and the slider, when slider and buckle complete cooperation are thick, the locating plate can support the tip of buckle, carry out the connection of first fixed orifices and third fixed orifices again, improve the efficiency of installation dismantlement greatly.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1. the secondary injection molding of the engineering plastic layer on the rotor can be realized, the deformation of the engineering plastic layer can be controlled, the bonding strength and stability between the engineering plastic layer and the metal body are improved, the processing quality of the rotor is further improved, and the service life of the rotor is prolonged.

2. The upper outer die is used for the second injection molding of the engineering plastic layer, when the upper inner die is dismounted to be thick, the second engineering plastic layer can be injected between the upper outer die and the first engineering plastic layer, the deformation control of the engineering plastic layer is effectively improved, the baffle ring can prop against the outer circumferential side surface of the metal body, and the fastening piece improves the stability and the reliability of connection between the upper inner die and the upper outer die.

3. The second mould shell is provided with injection holes communicated with the injection interface pipe on the first mould shell, so that injection molding materials can enter gaps among the second mould shell, the second mould cover and the metal body to form a first engineering plastic layer when the first injection molding is carried out.

4. The inner walls of the second mould shell and the first mould shell are obliquely arranged, so that demolding during primary injection molding and secondary injection molding is facilitated, and deformation of the engineering plastic layer is prevented.

5. Through the buckle inserted the slider, realize the fixed assembly between last mould monomer and the lower mould dish, L shape support has improved the joint strength between buckle and the last outer mould, and the slider can be followed the slide rail and slided, the installation or the dismantlement of outer mould of being convenient for.

Description of the drawings:

the invention is further described below with reference to the accompanying drawings:

fig. 1 is an effect diagram of a mold for manufacturing a quincuncial liquid pump rotor according to the present invention;

FIG. 2 is a schematic diagram of the structure of the upper die body monomer in the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 in the direction A;

FIG. 4 is a schematic view of the connection between the upper inner mold and the upper outer mold in the present invention;

FIG. 5 is a schematic view of the structure of the lower die plate of the present invention;

FIG. 6 is a schematic view of a slider according to the present invention;

FIG. 7 is an effect diagram of the rotor of the present invention;

FIG. 8 is a schematic view of the structure in the direction B in FIG. 7;

fig. 9 is a cross-sectional view of a rotor in accordance with the present invention.

In the figure: 1-a lower die plate; 101-positioning blocks; 102-positioning grooves;

2-upper die monomers;

3-fastening rings;

4-upper inner mold; 401-a second mold shell; 402-a second mold cover;

5-an upper outer mold; 501-a first mould shell; 502-a first mold cover; 503-a baffle ring; 504-injection molding the interface tube; 505-fasteners; 506-fitting blocks; 507-arc grooves;

6-a first fastening mechanism; 601-fastening bolts; 602-fastening blocks;

7-a second fastening mechanism; 701-pinch plate; a 702-L shaped bracket; 703-a first fixation hole; 704-a slide rail; 705-first baffle; 706-a second baffle; 707-a second securing aperture; 708-a first limit bar; 709-a slider; 710—a third fixing hole; 711-a first support bar; 712-second support bar; 713-guide slots; 714—a second stop bar; 715-fourth fixation hole; 716-a card slot; 717-positioning plates;

8-a rotor; 801-stop; 802-a rotating part; 803-a turntable; 804 drainage holes; 805-concave holes; 806-pin holes; 807-locating holes; 808-bearing holes; 809-through holes; 810-an engineering plastic layer; 811-a trench; 812-metal body.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

As shown in fig. 7 to 9, a rotor 8 corresponding to the mold of the present invention includes a turntable 803 and a rotating portion 802, and the rotating portion 802 is fixed to the turntable 803 in a quincuncial shape; the turntable 803 is provided with a bearing hole 808. A stopper 801 is provided in the rotating portion 802, and a high-pressure area is formed at the end of the rotating portion 802. The rotor 8 is provided with an annular groove and a pin shaft hole 806, the rotor 8 is provided with a positioning hole 807, the positioning hole 807 is communicated with a through hole 808, in the application, 3 positioning holes 807 and through holes 808 which are distributed in an annular mode are preferably adopted, and a chamfer is arranged on one side of the through hole 808, which is located in the positioning hole 807.

The rotating portion 802 is provided with at least one drainage hole 804 and at least one concave hole 805, the drainage hole 804 is communicated with the high-pressure area and the annular groove, the concave hole 805 is arranged at the end of the rotating portion 802, abrasion of the rotor 8 in the rotating process is reduced, pressure in the high-pressure area can be drained into the annular groove through the drainage hole 804, and the concave hole 805 is used for storing lubricant, so that friction and abrasion are further reduced. The present application preferably employs 6 drainage apertures 804, with each drainage aperture 804 in communication with an annular groove.

The carousel 803 and the portion of rotating 802 all include metal body 812 and engineering plastic layer 810, and engineering plastic layer 810's thickness is 2 ~ 4mm, and the carousel 803 is close to all is equipped with slot 811 on the terminal surface of the portion of rotating 802 and the lateral surface of the portion of rotating 802, and engineering plastic layer 810 passes through slot 811 to be connected in metal body 812, is favorable to wrapping up engineering plastic layer 810 in the surface of carousel 803 and portion of rotating 802 through the design of slot 811, is difficult for droing, prolongs the life of rotor 8, and metal body 812 can adopt the aluminum alloy, can guarantee the intensity of whole rotor 8.

The engineering plastic layer 810 is made of an elastomer material, wherein the elastomer material can be selected from rubber, polyether-ether-ketone (peek) and the like, preferably polyether-ether-ketone (peek), is non-conductive, has good affinity, can not damage a motor even if worn, can be run dry, and can meet the requirement of dry running because the refrigerant in a cooling system is easy to volatilize and volatilize to generate gas.

As shown in fig. 1 to 6, the mold for manufacturing a quincuncial liquid pump rotor in the present invention comprises a lower mold disc 1 and at least two upper mold units 2, wherein the present application preferably adopts three upper mold units 2, and all have a 120 ° structural design.

The lower die plate 1 is internally provided with a positioning block 101, and a positioning groove 102 is formed between the positioning block 101 and the lower die plate 1 and is used for placing and limiting the metal body 812.

The two adjacent upper die monomers 2 are detachably connected through the first fastening mechanism 6 and the fastening ring 3, the first fastening mechanism 6 comprises a fastening bolt 601 and a fastening block 602, the fastening block 602 is fixed on the upper outer die 5, the fastening bolt 601 is connected to the two adjacent fastening blocks 602, the fastening bolt 601 is provided with a fastening nut, the fastening block 602 is connected through the fastening bolt 601 and the fastening nut, and the connection tightness between the two adjacent upper die monomers 2 can be further improved. The first mould shell 501 is equipped with assembly piece 506, is equipped with arc wall 507 on the assembly piece 506, and fastening ring 3 and arc wall 507 assorted, through the design of assembly piece 506, the installation of fastening ring 3 of being convenient for improves joint strength and stability between two adjacent last mould monomer 2, avoids when moulding plastics, and the material of moulding plastics flows from the gap between two last mould monomer 2.

The upper die single body 2 is detachably connected to the lower die disc 1 through the second fastening mechanism 7, the second fastening mechanism 7 comprises a buckle plate 701, a sliding rail 704 and a sliding block 709, the buckle plate 701 is fixed on the outer side edge of the upper outer die 5 through an L-shaped bracket 702, the sliding rail 704 is annularly distributed on the outer circumferential side face of the lower die disc 1, the sliding block 709 is slidably connected to the sliding rail 704, the sliding block 709 is inserted into the sliding block 709 through the buckle plate 701, the fixed assembly between the upper die single body 2 and the lower die disc 1 is achieved, the L-shaped bracket 702 improves the connection strength between the buckle plate 701 and the upper outer die 5, and the sliding block 709 can slide along the sliding rail 704, so that the upper outer die 5 can be conveniently installed or dismounted.

The two ends of the slide rail 704 are respectively provided with a first baffle 705 and a second baffle 706, the second baffle 706 is propped against the pinch plate 701, the second baffle 706 is provided with a second fixing hole 707, the slide block 709 is provided with a fourth fixing hole 715, a screw passes through the second fixing hole 707 and is inserted into the fourth fixing hole 715, so that the fixed connection between the slide block 709 and the second baffle 706 is realized, when the outer mold 5 is required to be assembled on the lower mold disk 1, the upper outer mold 5 is only required to be placed on the lower mold disk 1, one end of the pinch plate 701 is propped against the second baffle 706, the slide block 709 is slid to one side of the second baffle 706, the pinch plate 701 is limited by the slide block 709, the upper outer mold 5 is fixedly connected with the lower mold disk 1, and the screw can improve the connection stability between the slide block 709 and the second baffle 706, so that the upper outer mold 5 is prevented from rotating to influence the injection molding quality during injection molding.

The upper and lower both sides symmetry of slide rail 704 is equipped with first spacing 708, be equipped with first support bar 711 and second support bar 712 on the slider 709, cooperate between first support bar 711 and the second support bar 712 and form guide slot 713, guide slot 713 and first spacing 708 assorted all are equipped with second spacing 714 on first support bar 711 and the second support bar 712, second spacing 714 supports first spacing 708, through the design of first spacing 708 and second spacing 714, guarantee that slider 709 can follow the circumference and slide, improve assembly accuracy, can prevent simultaneously that slider 709 from outwards locating, improve the stability of connection.

The clamping groove 716 is formed in the sliding block 709, the clamping groove 716 is matched with the buckling plate 701, a positioning plate 717 is arranged at one end of the clamping groove 716, the positioning plate 717 is propped against the buckling plate 701, a third fixing hole 710 is formed in the clamping groove 716, a first fixing hole 703 is formed in the buckling plate 701, a screw penetrates through the third fixing hole 710 and is connected to the first fixing hole 703, fixed connection between the buckling plate 701 and the sliding block 709 is achieved, when the sliding block 709 and the buckling plate 701 are completely matched to be thick, the positioning plate 717 can prop against the end portion of the buckling plate 701, then the first fixing hole 703 and the third fixing hole 710 are connected, and therefore the installation and detachment efficiency is greatly improved.

The upper die unit 2 comprises an upper inner die 4 and an upper outer die 5, the upper inner die 4 is nested inside the upper outer die 5, and the engineering plastic layer 810 is formed by two-time injection molding along the metal body 812 through the upper inner die 4, the upper outer die 5 and the lower die disc 1. The upper outer mold 5 comprises a first mold cover 502, a baffle ring 503 and at least two first mold shells 501, wherein the baffle ring 503 is integrally formed along the edge of the first mold cover 502, the first mold shells 501 are connected with the first mold shells 501 through the first mold cover 502, injection molding interface pipes 504 are arranged on the first mold shells 501, the first mold shells 501 and the first mold covers 502 are connected with the upper inner mold 4 through fasteners 505, the upper outer mold 5 is used for the second injection molding of the engineering plastic layers 810, when the upper inner mold 4 is removed to be thick, the second engineering plastic layers 810 can be injected between the upper outer mold 5 and the first engineering plastic layers 810, the deformation control of the engineering plastic layers 810 is effectively improved, the baffle ring 503 can prop against the outer circumferential side surfaces of the metal bodies 812, and the fasteners 505 improve the stability and reliability of the connection between the upper inner mold 4 and the upper outer mold 5.

The upper mold 4 comprises a second mold shell 401 and a second mold cover 402 which are integrally formed, the second mold shell 401 is attached to the inner side of the first mold shell, the second mold cover 402 is attached to the inner side of the first mold cover 502, the edge of the second mold cover 402 is against the baffle ring 503, the second mold shell 401 is provided with an injection molding hole which is mutually communicated with an injection molding interface pipe 504 on the first mold shell 501, and when the first injection molding is carried out, injection molding can enter a gap between the second mold shell 401, the second mold cover 402 and the metal body 812, so that a first engineering plastic layer 810 is formed.

The inner walls of the second mold shell 401 and the first mold shell 501 are both obliquely arranged, the included angle between the inner wall of the second mold shell 401 and the horizontal direction is a, the included angle between the inner wall of the first mold shell 501 and the horizontal direction is b, wherein 70 degrees is less than a=b is less than 90 degrees, demolding during one-time injection molding and two-time injection molding is facilitated, and deformation of the engineering plastic layer 810 is prevented.

Through the design of the structure, the secondary injection molding of the engineering plastic layer 810 on the rotor 8 can be realized, the deformation of the engineering plastic layer 810 can be controlled, the adhesive strength and stability between the engineering plastic layer 810 and the metal body 812 are improved, the processing quality of the rotor 8 is further improved, and the service life of the rotor 8 is prolonged.

When the die is actually used, firstly, the processed metal body is placed in a lower die disc, then, an upper die is installed on the inner side of the upper die through a fastener, then, all upper die monomers are spliced to form a complete upper die, the upper die is installed on the lower die disc and connected through a second fastening mechanism, and the injection molding interface tube is used for carrying out the first injection molding; after the first engineering plastic layer is molded, the upper die is disassembled, the upper inner die is disassembled, the upper die is mounted on the lower die disc, and then casting is performed for the second time, so that the required engineering plastic layer is formed.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are included in the scope of the present invention.

Claims (10)

1. A mould for manufacturing a quincuncial liquid pump rotor comprises a metal body and an engineering plastic layer,

the method is characterized in that: comprising

The lower die disc is used for placing and limiting the metal body;

the upper die monomers are detachably connected with the lower die plate through a second fastening mechanism;

the upper die unit comprises an upper inner die and an upper outer die, the upper inner die is nested at the inner side of the upper outer die, and the engineering plastic layer is formed by two-time injection molding along the metal body through the upper inner die, the upper outer die and the lower die plate.

2. The mold for manufacturing a quincuncial liquid pump rotor according to claim 1, wherein: the upper outer die comprises a first die cover, a baffle ring and at least two first die shells, wherein the baffle ring and the first die shells are integrally formed along the edge of the first die cover, the baffle ring is connected with the first die shells through the first die covers, an injection molding interface tube is arranged on the first die shells, and the first die shells and the first die covers are connected with the upper inner die through fasteners.

3. The mold for manufacturing a quincuncial liquid pump rotor according to claim 2, wherein: the first die shell is provided with an assembly block, an arc-shaped groove is formed in the assembly block, and the fastening ring is matched with the arc-shaped groove.

4. The mold for manufacturing a quincuncial liquid pump rotor according to claim 2, wherein: the upper inner die comprises a second die shell and a second die cover which are integrally formed, the second die shell is attached to the inner side of the first die shell, the second die cover is attached to the inner side of the first die cover, and the edge of the second die cover abuts against the baffle ring.

5. The mold for manufacturing a quincuncial liquid pump rotor according to claim 4, wherein: the inner walls of the second mold shell and the first mold shell are obliquely arranged, the included angle between the inner wall of the second mold shell and the horizontal direction is a, and the included angle between the inner wall of the first mold shell and the horizontal direction is b, wherein 70 degrees < a=b < 90 degrees.

6. The mold for manufacturing a quincuncial liquid pump rotor according to claim 1, wherein: the first fastening mechanism comprises fastening bolts and fastening blocks, the fastening blocks are fixed on the upper outer die, the fastening bolts are connected to two adjacent fastening blocks, and the fastening bolts are provided with fastening nuts.

7. The mold for manufacturing a quincuncial liquid pump rotor according to claim 1, wherein: the second fastening mechanism comprises a buckle plate, a sliding rail and a sliding block, wherein the buckle plate is fixed on the outer side edge of the upper outer die through an L-shaped support, the sliding rail is annularly distributed on the outer circumferential side face of the lower die plate, the sliding block is slidably connected with the sliding rail, and the sliding block is inserted into the sliding block through the buckle plate, so that the fixed assembly between the upper die single body and the lower die plate is realized.

8. The mold for manufacturing a quincuncial liquid pump rotor according to claim 7, wherein: the two ends of the sliding rail are respectively provided with a first baffle and a second baffle, the second baffle abuts against the buckle plate, the second baffle is provided with a second fixing hole, the sliding block is provided with a fourth fixing hole, and the sliding block and the second baffle are fixedly connected through screws penetrating through the second fixing hole and being inserted into the fourth fixing hole.

9. The mold for manufacturing a quincuncial liquid pump rotor according to claim 7, wherein: the upper and lower bilateral symmetry of slide rail is equipped with first spacing, be equipped with first support bar and second support bar on the slider, first support bar with cooperate between the second support bar and form the guide slot, the guide slot with first spacing assorted, first support bar with all be equipped with the second spacing on the second support bar, the second spacing supports first spacing.

10. The mold for manufacturing a quincuncial liquid pump rotor according to claim 7, wherein: the sliding block is provided with a clamping groove, the clamping groove is matched with the buckle plate, one end of the clamping groove is provided with a positioning plate, the positioning plate abuts against the buckle plate, a third fixing hole is formed in the clamping groove, the buckle plate is provided with a first fixing hole, and a screw penetrates through the third fixing hole and is connected to the first fixing hole, so that the buckle plate is fixedly connected with the sliding block.