CN113145831A

CN113145831A - Casting mold for forming water pump impeller

Info

Publication number: CN113145831A
Application number: CN202110453296.2A
Authority: CN
Inventors: 林保玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-07-23

Abstract

The invention discloses a casting mold for forming a water pump impeller, and belongs to the technical field of impeller production. A casting mold for forming a water pump impeller comprises a bottom box and a mold body, wherein the mold body comprises a mold upper plate and a mold lower plate, the mold upper plate comprises a mold left upper plate and a mold right upper plate, the top of the bottom box is fixedly connected with a mold base, the mold lower plate is placed in the mold base, the top of the bottom box is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a top plate, the bottom of the top plate is provided with a cooling mechanism and a backflow mechanism, a driving motor is arranged in the bottom box, and the output end of the driving motor is rotatably connected with a first rotating shaft; the invention can quickly cool the mold base and the lower mold plate, reduce potential safety hazards, effectively control the thermal expansion of the mold and improve the molding quality of the impeller.

Description

Casting mold for forming water pump impeller

Technical Field

The invention relates to the technical field of impeller production, in particular to a casting mold for forming a water pump impeller.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, the known water pumps mainly comprise two types, namely a vacuum water pump and a submersible pump, and the pump mainly comprises a pump body, a pump cover and an impeller, wherein the impeller plays a decisive role, so that the production of the impeller is a very critical link, and the impeller is usually produced and manufactured quickly by using a casting mold at present.

When using during current water pump impeller casting mould, the pouring temperature is too high, the potential safety hazard probably appears, and high temperature causes the mould to produce deformation easily simultaneously, influences the final shaping effect of impeller, under this kind of condition, we provide one kind and are used for the fashioned casting mould of water pump impeller.

Disclosure of Invention

The invention aims to solve the problems that potential safety hazards can occur due to overhigh pouring temperature when a water pump impeller casting mold is used in the prior art, and the final forming effect of the impeller is influenced due to the fact that the mold is easy to deform due to high temperature.

In order to achieve the purpose, the invention adopts the following technical scheme:

a casting mould for forming a water pump impeller comprises a bottom box and a mould body, wherein the mould body comprises a mould upper plate and a mould lower plate, the mould upper plate comprises a mould left upper plate and a mould right upper plate, the top of the bottom box is fixedly connected with a mould base, the mould lower plate is placed in the mould base, the top of the bottom box is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a top plate, the bottom of the top plate is provided with a cooling mechanism and a backflow mechanism, a driving motor is arranged in the bottom box, the output end of the driving motor is rotatably connected with a first rotating shaft, a second rotating shaft and a third rotating shaft which are matched with the first rotating shaft are rotatably connected between the inner wall of the bottom box and the top plate, a first cam which is matched with the cooling mechanism is fixedly connected on the second rotating shaft, and a second cam which is matched with the backflow mechanism is fixedly connected on the third rotating shaft, the top of roof is equipped with the coolant liquid case with cooling mechanism and backward flow mechanism matched with, the top of under casing is equipped with the stop gear with mould upper plate matched with, the second pivot is connected with the first bent axle with stop gear matched with, be connected with the second bent axle with stop gear matched with in the third pivot.

Preferably, the cooling mechanism comprises a first connecting box, a first piston, a third spring, a liquid suction pipe and a liquid outlet pipe, the first connecting box is fixedly connected to the bottom of the top plate, the first piston is slidably connected in the first connecting box, two ends of the third spring are respectively abutted against the inner wall of the first connecting box and the side wall of the first piston, the side wall of the first piston is connected with a first reciprocating rod, one end, away from the first piston, of the first reciprocating rod is abutted against the outer wall of the first cam, two ends of the liquid suction pipe are respectively communicated with the cooling liquid box and the first connecting box, the liquid outlet pipe is connected to the side wall of the first connecting box, an annular pipe is arranged in the mold base, one end, away from the first connecting box, of the liquid outlet pipe is communicated with a liquid inlet of the annular pipe, and first one-way valves are arranged in the liquid suction pipe and the liquid outlet pipe.

Preferably, the backflow mechanism comprises a second connection box, a second piston, a liquid pumping pipe and a liquid returning pipe, the second connection box is fixedly connected to the bottom of the top plate, the second piston is slidably connected into the second connection box, a fourth spring is arranged in the second connection box, two ends of the fourth spring respectively abut against the inner wall of the second connection box and the side wall of the second piston, the side wall of the second piston is connected with a second reciprocating rod, one end, away from the second piston, of the second reciprocating rod abuts against the outer wall of the second cam, the liquid pumping pipe is connected to the side wall of the second connection box, one end, away from the second connection box, of the liquid pumping pipe is communicated with the liquid outlet of the ring pipe, two ends of the liquid returning pipe are respectively communicated with the second connection box and the cooling liquid tank, and second one-way valves are arranged in the liquid pumping pipe and the liquid returning pipe.

Preferably, stop gear includes two sets of reciprocating plates and two sets of cushion, and is two sets of cushion fixed connection is respectively at the lateral wall of two sets of reciprocating plates, and one of them is organized reciprocating plate and first bent axle rotate and link to each other, and another group reciprocating plate rotates with the second bent axle and links to each other.

Preferably, the first rotating shaft is fixedly connected with a first belt wheel and a second belt wheel, the second rotating shaft is fixedly connected with a third belt wheel matched with the first belt wheel, and the third rotating shaft is fixedly connected with a fourth belt wheel matched with the second belt wheel.

Preferably, the lateral wall fixedly connected with connecting rod of the upper left plate of mould, the lateral wall of the upper right plate of mould is connected with the spread groove that corresponds with the connecting rod position, be equipped with clamping mechanism in the spread groove.

Preferably, the clamping mechanism includes dwang and second spring, fixedly connected with fixed block in the spread groove, the dwang rotates to be connected on the fixed block, the both ends of second spring offset with the inner wall of spread groove and the outer wall of dwang respectively, the lateral wall fixedly connected with and the dwang matched with dead lever of connecting rod.

Preferably, the lower die plate is provided with an impeller groove, the left upper die plate and the right upper die plate are provided with guide grooves corresponding to the impeller groove, and the top plate is fixedly connected with material injection pipes corresponding to the guide grooves and the impeller groove.

Preferably, a placing groove is formed in the mold base, the mold lower plate is arranged in the placing groove, a clamping plate is connected in the placing groove in a sliding mode, the side wall of the clamping plate abuts against the outer wall of the mold lower plate, and a first spring is connected between one end, far away from the mold lower plate, of the clamping plate and the inner wall of the placing groove.

Preferably, the top of the bottom box is symmetrically and fixedly connected with two supporting plates, the two supporting plates are respectively provided with a sliding groove, and the two groups of reciprocating plates are respectively connected in the two sliding grooves in a sliding manner.

Compared with the prior art, the invention provides a casting mold for forming a water pump impeller, which has the following beneficial effects:

1. this a casting mould for water pump impeller shaping carries out casting during operation, pours into the feed liquid into through the impeller inslot of notes material pipe in to the mould hypoplastron, and high temperature feed liquid can make the temperature of mould hypoplastron and mould base rise rapidly, and this device can be to its rapid cooling, and concrete implementation process is: starting a driving motor, driving the first rotating shaft to rotate by the driving motor, rotating the first rotating shaft, then rotating a first belt wheel and a second belt wheel, simultaneously driving a third belt wheel and a fourth belt wheel to rotate, further driving a second rotating shaft and a third rotating shaft to rotate, rotating a first cam on the second rotating shaft at the moment, and extruding a first reciprocating rod in a reciprocating manner, wherein the first reciprocating rod can be quickly reset by a third spring, the first reciprocating rod simultaneously drives a first piston to reciprocate in a first connecting box, at the moment, cooling liquid is extracted from a cooling liquid box through a liquid suction pipe, then the cooling liquid is injected into a ring pipe through a liquid outlet pipe, and the mold base and the mold lower plate are quickly cooled; meanwhile, after the third rotating shaft rotates, the second cam on the third rotating shaft rotates, the second reciprocating rod is correspondingly extruded in a reciprocating mode, the second piston is driven to move in the second connecting box in a reciprocating mode, the cooling liquid is extracted from the ring pipe through the liquid extracting pipe, the extracted cooling liquid is injected into the cooling liquid box again, accordingly, circulating cooling is achieved, and the cooling effect is improved.

2. This a casting mould for water pump impeller shaping, during the casting shaping, the upper left plate of mould and the upper right plate of mould are heated and will expand to there is the trend of separation, this device can carry on spacingly to upper left plate of mould and the upper right plate of mould, and the concrete realization process is: when the second rotating shaft rotates, the first crankshaft on the second rotating shaft correspondingly rotates, the first crankshaft drives a group of reciprocating plates which are connected with the first crankshaft in a rotating mode to horizontally reciprocate in the sliding grooves in the supporting plate, and at the moment, when the left upper plate of the mold is heated to move outwards, the elastic pads on the reciprocating plates abut against the outer wall of the left upper plate of the mold, and the outward excessive expansion of the elastic pads is avoided; in a similar way, when the third pivot rotated, the rotation that the epaxial second bent axle of third pivoted corresponds, the second bent axle will drive and rotate horizontal reciprocating motion in the spout of another group's reciprocating plate that links to each other in the backup pad with it, this moment when the mould upper right plate is heated when outwards moving, the cushion on this reciprocating plate also can offset with the outer wall of mould upper right plate, avoid its outside too much inflation, can prevent through this kind of setting that mould upper left plate and mould upper right plate from producing great clearance, do not influence final shaping effect.

3. This be used for fashioned casting mould of water pump impeller, but mould upper left plate and mould upper right plate high-speed joint and dismantlement, concrete realization process is: the connecting rod on the left upper plate of the die is pushed into the connecting groove of the right upper plate of the die, the fixed rod on the connecting rod extrudes the rotating rod in the connecting groove at the moment, the rotating rod rotates, the second spring is compressed, and after the fixed rod is separated from the rotating rod, the elastic force of the second spring drives the rotating rod to reset, so that the fixed rod is blocked; when needing to dismantle, the upper left plate of mould is pulled in reverse, dead lever backward extrusion dwang this moment, and the second spring is tensile, when the dead lever separates with the dwang once more, can take away the upper left plate of mould fast, and this kind sets up easy to assemble and dismantlement, and convenient to use is swift.

The parts not involved in the device are the same as or can be realized by adopting the prior art, the device can quickly cool the die base and the lower die plate, reduces potential safety hazards, can effectively control the die to expand when heated, and improves the forming quality of the impeller.

Drawings

FIG. 1 is a schematic structural diagram of a casting mold for forming a water pump impeller according to the present invention;

FIG. 2 is an enlarged view of a portion A in FIG. 1 of a casting mold for forming a water pump impeller according to the present invention;

FIG. 3 is a schematic connection diagram of a mold upper plate in a casting mold for forming a water pump impeller according to the present invention;

FIG. 4 is an enlarged view of a portion B in FIG. 3 of a casting mold for forming a water pump impeller according to the present invention;

fig. 5 is a top view of a lower mold plate of a casting mold for molding a water pump impeller according to the present invention.

In the figure: 1. a bottom box; 101. a mold base; 1011. a ring pipe; 1012. clamping a plate; 1013. a first spring; 102. a lower plate of the mold; 1021. an impeller groove; 103. a mold left upper plate; 1031. a connecting rod; 1032. fixing the rod; 104. a mold right upper plate; 1041. connecting grooves; 1042. rotating the rod; 1043. a second spring; 105. a support plate; 1051. a chute; 106. a drive motor; 1061. a first rotating shaft; 1062. a first pulley; 1063. a second pulley; 107. a second rotating shaft; 1071. a third belt pulley; 1072. a first crankshaft; 1073. a reciprocating plate; 1074. an elastic pad; 1075. a first cam; 108. a third rotating shaft; 1081. a fourth pulley; 1082. a second crankshaft; 1083. a second cam; 2. a vertical plate; 3. a top plate; 301. a material injection pipe; 302. a coolant tank; 303. a first connection box; 3031. a first piston; 3032. a third spring; 3033. a pipette; 3034. a liquid outlet pipe; 304. a second connecting box; 3041. a second piston; 3042. a liquid pumping pipe; 3043. and a liquid return pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5, a casting mold for forming a water pump impeller comprises a bottom case 1 and a mold body, the mold body comprises a mold upper plate and a mold lower plate 102, the mold upper plate comprises a mold left upper plate 103 and a mold right upper plate 104, the top of the bottom case 1 is fixedly connected with a mold base 101, the mold lower plate 102 is placed in the mold base 101, the top of the bottom case 1 is fixedly connected with a vertical plate 2, the top of the vertical plate 2 is fixedly connected with a top plate 3, the bottom of the top plate 3 is provided with a cooling mechanism and a backflow mechanism, a driving motor 106 is arranged in the bottom case 1, the output end of the driving motor 106 is rotatably connected with a first rotating shaft 1061, a second rotating shaft 107 and a third rotating shaft 108 which are matched with the first rotating shaft 1061 are rotatably connected between the inner wall of the bottom case 1 and the top plate 3, a first cam 1075 which is matched with the cooling mechanism is fixedly connected on the second rotating shaft 107, and a second cam 1083 which is matched with the backflow mechanism is fixedly connected on the third rotating shaft 108, the top of roof 3 is equipped with and cools off cooling mechanism and return mechanism matched with coolant liquid case 302, and the top of under casing 1 is equipped with the stop gear with mould upper plate matched with, and second pivot 107 is connected with the first bent axle 1072 with stop gear matched with, is connected with the second bent axle 1082 with stop gear matched with on the third pivot 108.

The cooling mechanism comprises a first connecting box 303, a first piston 3031, a third spring 3032, a liquid suction pipe 3033 and a liquid outlet pipe 3034, the first connecting box 303 is fixedly connected to the bottom of the top plate 3, the first piston 3031 is slidably connected in the first connecting box 303, two ends of the third spring 3032 are respectively abutted against the inner wall of the first connecting box 303 and the side wall of the first piston 3031, the side wall of the first piston 3031 is connected with a first reciprocating rod, one end, far away from the first piston 3031, of the first reciprocating rod is abutted against the outer wall of a first cam 1075, two ends of the liquid suction pipe 3033 are respectively communicated with the cooling liquid box 302 and the first connecting box 303, the liquid outlet pipe 3034 is connected to the side wall of the first connecting box 303, a ring pipe 1011 is arranged in the mold base 101, one end, far away from the first connecting box 303, of the liquid outlet pipe 3034 is communicated with a liquid inlet of the ring pipe 1011, and first one-way valves are arranged in the liquid outlet pipe 3033 and the liquid outlet pipe 3034; for rapidly cooling the mold base 101 and the mold lower plate 102.

The backflow mechanism comprises a second connection box 304, a second piston 3041, a liquid pumping pipe 3042 and a liquid returning pipe 3043, the second connection box 304 is fixedly connected to the bottom of the top plate 3, the second piston 3041 is slidably connected in the second connection box 304, a fourth spring is arranged in the second connection box 304, two ends of the fourth spring are respectively abutted against the inner wall of the second connection box 304 and the side wall of the second piston 3041, the side wall of the second piston 3041 is connected with a second reciprocating rod, one end of the second reciprocating rod, far away from the second piston 3041, is abutted against the outer wall of a second cam 1083, the liquid pumping pipe 3042 is connected to the side wall of the second connection box 304, one end of the liquid pumping pipe 3042, far away from the second connection box 304, is communicated with a liquid outlet of the ring pipe 1011, two ends of the liquid returning pipe 3043 are respectively communicated with the second connection box 304 and the cooling liquid box 302, and second check valves are respectively arranged in the liquid pumping pipe 3042 and the liquid returning pipe 3043; for returning the coolant in the ring pipe 1011 to the coolant tank 302.

A first belt wheel 1062 and a second belt wheel 1063 are fixedly connected to the first rotating shaft 1061, a third belt wheel 1071 matched with the first belt wheel 1062 is fixedly connected to the second rotating shaft 107, and a fourth belt wheel 1081 matched with the second belt wheel 1063 is fixedly connected to the third rotating shaft 108; for driving the second rotating shaft 107 and the third rotating shaft 108 to rotate.

An impeller groove 1021 is arranged on the lower die plate 102, guide grooves corresponding to the impeller groove 1021 are arranged on the left upper die plate 103 and the right upper die plate 104, and a material injection pipe 301 corresponding to the guide grooves and the impeller groove 1021 is fixedly connected to the top plate 3; for injecting the feed liquid.

In the invention, when casting, feed liquid is injected into the impeller groove 1021 in the lower die plate 102 through the material injection pipe 301, the high-temperature feed liquid can rapidly raise the temperature of the lower die plate 102 and the die base 101, and the device can rapidly cool the lower die plate and the die base, and the specific implementation process is as follows: starting the driving motor 106, driving the first rotating shaft 1061 to rotate by the driving motor 106, after the first rotating shaft 1061 rotates, rotating the first belt pulley 1062 and the second belt pulley 1063, and simultaneously driving the third belt pulley 1071 and the fourth belt pulley 1081 to rotate, further driving the second rotating shaft 107 and the third rotating shaft 108 to rotate, at this time, rotating the first cam 1075 on the second rotating shaft 107, and reciprocally extruding the first reciprocating rod, the third spring 3032 can rapidly reset the first reciprocating rod, the first reciprocating rod simultaneously drives the first piston 3031 to reciprocally move in the first connecting box 303, at this time, the cooling liquid is extracted from the cooling liquid box 302 through the liquid suction pipe 3033, and then the cooling liquid is injected into the ring pipe 1011 through the liquid outlet pipe 3034, so as to rapidly cool the mold base 101 and the mold lower plate 102; meanwhile, after the third rotating shaft 108 rotates, the second cam 1083 on the third rotating shaft 108 rotates to correspondingly and reciprocally extrude the second reciprocating rod, so as to drive the second piston 3041 to reciprocally move in the second connecting box 304, extract the cooling liquid from the loop pipe 1011 through the liquid extracting pipe 3042, and re-inject the extracted cooling liquid into the cooling liquid box 302, thereby realizing the circular cooling and improving the cooling effect.

Example 2:

referring to fig. 1 and 2, a casting mold for forming a water pump impeller comprises a bottom case 1 and a mold body, the mold body comprises a mold upper plate and a mold lower plate 102, the mold upper plate comprises a mold left upper plate 103 and a mold right upper plate 104, the top of the bottom case 1 is fixedly connected with a mold base 101, the mold lower plate 102 is placed in the mold base 101, the top of the bottom case 1 is fixedly connected with a vertical plate 2, the top of the vertical plate 2 is fixedly connected with a top plate 3, the bottom of the top plate 3 is provided with a cooling mechanism and a backflow mechanism, a driving motor 106 is arranged in the bottom case 1, the output end of the driving motor 106 is rotatably connected with a first rotating shaft 1061, a second rotating shaft 107 and a third rotating shaft 108 which are matched with the first rotating shaft 1061 are rotatably connected between the inner wall of the bottom case 1 and the top plate 3, a first cam 1075 which is matched with the cooling mechanism is fixedly connected on the second rotating shaft 107, and a second cam 1083 which is matched with the backflow mechanism is fixedly connected on the third rotating shaft 108, the top of roof 3 is equipped with and cools off cooling mechanism and return mechanism matched with coolant liquid case 302, and the top of under casing 1 is equipped with the stop gear with mould upper plate matched with, and second pivot 107 is connected with the first bent axle 1072 with stop gear matched with, is connected with the second bent axle 1082 with stop gear matched with on the third pivot 108.

The limiting mechanism comprises two groups of reciprocating plates 1073 and two groups of elastic pads 1074, wherein the two groups of elastic pads 1074 are respectively and fixedly connected with the side walls of the two groups of reciprocating plates 1073, one group of reciprocating plates 1073 is rotationally connected with a first crankshaft 1072, and the other group of reciprocating plates 1073 is rotationally connected with a second crankshaft 1082; and limiting the left upper plate 103 and the right upper plate 104 of the mold.

A placing groove is formed in the mold base 101, the mold lower plate 102 is arranged in the placing groove, a clamping plate 1012 is connected in the placing groove in a sliding mode, the side wall of the clamping plate 1012 abuts against the outer wall of the mold lower plate 102, and a first spring 1013 is connected between one end, far away from the mold lower plate 102, of the clamping plate 1012 and the inner wall of the placing groove; for placing the mold base 101.

The top of the bottom box 1 is symmetrically and fixedly connected with two supporting plates 105, the two supporting plates 105 are respectively provided with a sliding chute 1051, and the two groups of reciprocating plates 1073 are respectively connected in the two sliding chutes 1051 in a sliding manner; for more stability of the movement of the shuttle plate 1073.

In the invention, when the casting molding is carried out, the mold upper left plate 103 and the mold upper right plate 104 expand when heated and have a separation tendency, the device can limit the mold upper left plate 103 and the mold upper right plate 104, and the specific realization process is as follows: when the second rotating shaft 107 rotates, the first crankshaft 1072 on the second rotating shaft 107 correspondingly rotates, the first crankshaft 1072 drives a set of reciprocating plates 1073 connected with the first crankshaft 1072 to horizontally reciprocate in the sliding chute 1051 on the supporting plate 105, and at this time, when the left upper plate 103 of the mold is heated and moves outwards, the elastic pads 1074 on the reciprocating plates 1073 abut against the outer wall of the left upper plate 103 of the mold to avoid excessive outward expansion; similarly, when third pivot 108 rotates, the rotation that second bent axle 1082 on the third pivot 108 corresponds, second bent axle 1082 will drive with it and rotate another group's reciprocating plate 1073 horizontal reciprocating motion in the spout 1051 in backup pad 105 that links to each other, this moment when mould upper right plate 104 is heated when outwards moving, cushion 1074 on this reciprocating plate 1073 also can offset with the outer wall of mould upper right plate 104, avoid its outside too much inflation, can prevent through this kind of setting that mould upper left plate 103 and mould upper right plate 104 from producing great clearance, final shaping effect is not influenced.

Example 3:

referring to fig. 1, 3, 4 and 5, a casting mold for forming a water pump impeller comprises a bottom case 1 and a mold body, wherein the mold body comprises a mold upper plate and a mold lower plate 102, the mold upper plate comprises a mold left upper plate 103 and a mold right upper plate 104, the top of the bottom case 1 is fixedly connected with a mold base 101, the mold lower plate 102 is placed in the mold base 101, the top of the bottom case 1 is fixedly connected with a vertical plate 2, the top of the vertical plate 2 is fixedly connected with a top plate 3, the bottom of the top plate 3 is provided with a cooling mechanism and a reflux mechanism, a driving motor 106 is arranged in the bottom case 1, the output end of the driving motor 106 is rotatably connected with a first rotating shaft 1061, a second rotating shaft 107 and a third rotating shaft 108 which are matched with the first rotating shaft 1061 are rotatably connected between the inner wall of the bottom case 1 and the top plate 3, a first cam 1075 which is matched with the cooling mechanism is fixedly connected on the second rotating shaft 107, fixedly connected with on the third pivot 108 with backward flow mechanism matched with second cam 1083, the top of roof 3 is equipped with cooling mechanism and backward flow mechanism matched with coolant tank 302, the top of under casing 1 is equipped with the stop gear with mould upper plate matched with, second pivot 107 is connected with the first bent axle 1072 with stop gear matched with, is connected with the second bent axle 1082 with stop gear matched with on the third pivot 108.

The side wall of the left upper plate 103 of the mold is fixedly connected with a connecting rod 1031, the side wall of the right upper plate 104 of the mold is connected with a connecting groove 1041 corresponding to the connecting rod 1031, and a clamping mechanism is arranged in the connecting groove 1041; for connecting the mold left top plate 103 and the mold right top plate 104.

The clamping mechanism comprises a rotating rod 1042 and a second spring 1043, a fixed block is fixedly connected in the connecting groove 1041, the rotating rod 1042 is rotatably connected to the fixed block, two ends of the second spring 1043 are respectively abutted against the inner wall of the connecting groove 1041 and the outer wall of the rotating rod 1042, and a fixed rod 1032 matched with the rotating rod 1042 is fixedly connected to the side wall of the connecting rod 1031; for quick mounting and dismounting of the mold left upper plate 103 and the mold right upper plate 104.

In the invention, the die left upper plate 103 and the die right upper plate 104 can be quickly connected and detached, and the specific implementation process is as follows: the connecting rod 1031 on the left upper plate 103 of the mold is pushed into the connecting groove 1041 of the right upper plate 104 of the mold, at this time, the fixing rod 1032 on the connecting rod 1031 presses the rotating rod 1042 in the connecting groove 1041, the rotating rod 1042 rotates, the second spring 1043 is compressed, and after the fixing rod 1032 is separated from the rotating rod 1042, the elastic force of the second spring 1043 drives the rotating rod 1042 to reset, so that the fixing rod 1032 is blocked; when needing to dismantle, reverse twitch mould upper left plate 103, dead lever 1032 backward extrusion dwang 1042 this moment, and second spring 1043 is tensile, when dead lever 1032 separates with dwang 1042 once more, can take away mould upper left plate 103 fast, and this kind sets up easy to assemble and dismantlement, and convenient to use is swift.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A casting mould for forming a water pump impeller comprises a bottom box (1) and a mould body, and is characterized in that the mould body comprises a mould upper plate and a mould lower plate (102), the mould upper plate comprises a mould left upper plate (103) and a mould right upper plate (104), the top of the bottom box (1) is fixedly connected with a mould base (101), the mould lower plate (102) is placed in the mould base (101), the top of the bottom box (1) is fixedly connected with a vertical plate (2), the top of the vertical plate (2) is fixedly connected with a top plate (3), the bottom of the top plate (3) is provided with a cooling mechanism and a backflow mechanism, a driving motor (106) is arranged in the bottom box (1), the output end of the driving motor (106) is rotatably connected with a first rotating shaft (1061), a second rotating shaft (107) and a third rotating shaft (108) which are matched with the first rotating shaft (1061) are rotatably connected between the inner wall of the bottom box (1) and the top plate (3), fixedly connected with and cooling mechanism matched with first cam (1075) on second pivot (107), fixedly connected with and return mechanism matched with second cam (1083) on third pivot (108), the top of roof (3) is equipped with and cools off cooling mechanism and return mechanism matched with coolant liquid case (302), the top of under casing (1) is equipped with the stop gear with mould upper plate matched with, second pivot (107) are connected with first bent axle (1072) with stop gear matched with, be connected with on third pivot (108) with stop gear matched with second bent axle (1082).

2. The casting mold for water pump impeller molding according to claim 1, wherein the cooling mechanism comprises a first connecting box (303), a first piston (3031), a third spring (3032), a liquid suction pipe (3033) and a liquid outlet pipe (3034), the first connecting box (303) is fixedly connected to the bottom of the top plate (3), the first piston (3031) is slidably connected in the first connecting box (303), two ends of the third spring (3032) are respectively abutted against the inner wall of the first connecting box (303) and the side wall of the first piston (3031), the side wall of the first piston (3031) is connected with a first reciprocating rod, one end of the first reciprocating rod, which is far away from the first piston (3031), is abutted against the outer wall of the first cam (1075), two ends of the first reciprocating rod (3033) are respectively communicated with the cooling liquid box (302) and the first connecting box (303), the liquid outlet pipe (3034) is connected to the side wall of the first connecting box (303), a ring pipe (1011) is arranged in the mold base (101), one end, far away from the first connecting box (303), of the liquid outlet pipe (3034) is communicated with a liquid inlet of the ring pipe (1011), and first one-way valves are arranged in the liquid suction pipe (3033) and the liquid outlet pipe (3034).

3. The casting mold for forming the water pump impeller according to claim 2, wherein the backflow mechanism comprises a second connection box (304), a second piston (3041), a liquid pumping pipe (3042) and a liquid returning pipe (3043), the second connection box (304) is fixedly connected to the bottom of the top plate (3), the second piston (3041) is slidably connected in the second connection box (304), a fourth spring is arranged in the second connection box (304), two ends of the fourth spring respectively abut against the inner wall of the second connection box (304) and the side wall of the second piston (3041), the side wall of the second piston (3041) is connected with a second reciprocating rod, one end of the second reciprocating rod, which is far away from the second piston (3041), abuts against the outer wall of the second cam (1083), the liquid pumping pipe (3042) is connected to the side wall of the second connection box (304), and one end of the liquid pumping pipe (3042), which is far away from the second connection box (304), is communicated with the liquid outlet (1011) of the ring pipe (1011), two ends of the liquid return pipe (3043) are respectively communicated with the second connecting box (304) and the cooling liquid box (302), and second one-way valves are respectively arranged in the liquid pumping pipe (3042) and the liquid return pipe (3043).

4. The casting mold for molding the water pump impeller according to claim 3, wherein the limiting mechanism comprises two sets of reciprocating plates (1073) and two sets of elastic pads (1074), the two sets of elastic pads (1074) are respectively and fixedly connected to the side walls of the two sets of reciprocating plates (1073), one set of the reciprocating plates (1073) is rotatably connected to the first crankshaft (1072), and the other set of the reciprocating plates (1073) is rotatably connected to the second crankshaft (1082).

5. The casting mold for forming the water pump impeller according to claim 4, wherein a first pulley (1062) and a second pulley (1063) are fixedly connected to the first rotating shaft (1061), a third pulley (1071) matched with the first pulley (1062) is fixedly connected to the second rotating shaft (107), and a fourth pulley (1081) matched with the second pulley (1063) is fixedly connected to the third rotating shaft (108).

6. The casting mold for forming the water pump impeller according to claim 5, wherein a connecting rod (1031) is fixedly connected to a side wall of the left upper plate (103), a connecting groove (1041) corresponding to the connecting rod (1031) is connected to a side wall of the right upper plate (104), and a clamping mechanism is arranged in the connecting groove (1041).

7. The casting mold for forming the water pump impeller according to claim 6, wherein the clamping mechanism comprises a rotating rod (1042) and a second spring (1043), a fixing block is fixedly connected to the inside of the connecting groove (1041), the rotating rod (1042) is rotatably connected to the fixing block, two ends of the second spring (1043) are respectively abutted to the inner wall of the connecting groove (1041) and the outer wall of the rotating rod (1042), and a fixing rod (1032) matched with the rotating rod (1042) is fixedly connected to the side wall of the connecting rod (1031).

8. The casting mold for molding the water pump impeller according to claim 7, wherein the lower mold plate (102) is provided with an impeller groove (1021), the upper left mold plate (103) and the upper right mold plate (104) are both provided with a material guide groove corresponding to the impeller groove (1021), and the top plate (3) is fixedly connected with a material injection pipe (301) corresponding to the material guide groove and the impeller groove (1021).

9. The casting mold for forming the water pump impeller according to claim 8, wherein a placing groove is formed in the mold base (101), the mold lower plate (102) is arranged in the placing groove, a clamping plate (1012) is slidably connected in the placing groove, a side wall of the clamping plate (1012) abuts against an outer wall of the mold lower plate (102), and a first spring (1013) is connected between one end of the clamping plate (1012) far away from the mold lower plate (102) and an inner wall of the placing groove.

10. The casting mold for molding the water pump impeller according to claim 9, wherein two supporting plates (105) are symmetrically and fixedly connected to the top of the bottom case (1), each of the two supporting plates (105) is provided with a sliding slot (1051), and two sets of reciprocating plates (1073) are respectively slidably connected in the two sliding slots (1051).