CN108465794B

CN108465794B - Pump housing casting equipment

Info

Publication number: CN108465794B
Application number: CN201810159981.2A
Authority: CN
Inventors: 汪国强; 赵正雄
Original assignee: CHANGSHAN ZHENGLI MACHINERY & ELECTRIC Co Ltd
Current assignee: CHANGSHAN ZHENGLI MACHINERY & ELECTRIC Co Ltd
Priority date: 2018-02-26
Filing date: 2018-02-26
Publication date: 2020-02-18
Anticipated expiration: 2038-02-26
Also published as: CN108465794A

Abstract

The invention provides a pump shell casting device which comprises a small cavity, a material leaking hole, a material guide pipe and an electric appliance cabinet, wherein the small cavity is provided with a material leaking hole; the bottom plate is of a cross structure, four sections of the bottom surface of the bottom plate are respectively provided with a base for supporting the ground, two sliding grooves are formed in the top surface of the bottom plate in the left and right directions, and the bottom plate is in sliding connection with the sliding seat through the sliding blocks on the bottom surface through the two sliding grooves; first bracket is located and is installed the top surface rear side of bottom plate, and the pouring liquid of inside injection is the mobility of whipping, makes liquid more abundant carry out the even flow in the die cavity, can more comprehensive flow in every shaping corner of die cavity to reduce vapour bubble quantity, be adapted to the more complicated pump case casting of structure and take shape the production, because the vapour bubble has reduced, consequently can effectually reduce the quantity of the inside sand eye of casing shaping back, improve the quality of product.

Description

Pump housing casting equipment

Technical Field

The invention belongs to the technical field of casting equipment, and particularly relates to pump shell casting equipment.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered the full prosperity of bronze castings approximately 1700 to the first 1000 years of the Gregorian, and has reached a fairly high level in technology. Casting is a method in which liquid metal is cast into a casting cavity that conforms to the shape of a part, and after it is cooled and solidified, a part or a blank is obtained.

Some casting devices related to casting pump casings, such as application No.: 201720089720.9 provides a high-pressure pump body casting forming die, which comprises a die body, adjusting device and negative pressure pump are established in addition to the mould body, adjusting device is including bearing bottom plate, lift stand and reset spring, lift stand is terminal all to be connected with bearing bottom plate upper surface and mould body lower surface through ratchet respectively with the top, the reset spring cladding is outside each lift stand and with the coaxial distribution of lift stand, negative pressure pump installs in adjusting device's bearing bottom plate side surface department, negative pressure pump passes through the excessive outlet intercommunication of honeycomb duct with the mould body, and establish at least one control valve on the honeycomb duct.

As another example, application No.: 201710477198.6 discloses a casting mould, which relates to the casting mould manufacturing technology field, comprising a base, wherein the base is provided with two arc walls correspondingly arranged through a slide rail, and a spring pin is arranged between the bottom of each arc wall and the base; and a connecting wall is arranged between the two arc-shaped walls, a top cover is arranged at the top of the connecting wall, and the top cover is connected with the base through a stud penetrating through the top cover and the connecting wall.

When the casting equipment and the casting type die are applied to manufacturing of the pump shell, the shape of the pump shell is complex, and structures such as bending and drawing are involved, so that the fixed structure is not enough when the containing die is placed still for waiting in the liquid injection forming process, and the liquid flowing in the containing die is difficult to control, so that the liquid flowing in the complex structure is uneven, bubbles can be formed, the formed shell forms sand holes, and the product quality has defects.

In view of the above, research and improvement are made on the conventional structure and defects, and a pump housing casting apparatus is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides pump shell casting equipment, which aims to solve the problems that in the existing casting mode, casting liquid is injected into a mold containing blank, so that the liquid is melted according to the shape of a mold in the mold containing blank to form a required part product, and when the equipment is applied to pump shell manufacturing, the shape of the pump shell is complex, structures such as bending and drawing are more involved, so that the waiting is not enough only by standing still in the process of injecting the mold containing blank into the liquid in a fixed structure, the liquid flowing into the complex structure is not uniform due to difficult control when the liquid in the mold containing blank flows, steam bubbles are formed, and the formed shell forms sand holes, so that the product quality has defects.

The purpose and the effect of the pump shell casting equipment are achieved by the following specific technical means:

a pump shell casting device comprises a bottom plate, a sliding groove, a limit switch, a base, a first bracket, a first motor, a first lead screw, a sliding seat, a sliding block, a buckling seat, a buckling groove, a bottom surface section, a belt wheel, a lead screw connecting seat, a second bracket, a second motor, a third motor, a second lead screw, an operation panel, a guide frame, a bearing seat, a coupling, a rotating shaft, a tailstock, a first clamping sleeve, a second clamping sleeve, a locking bolt, a hopper, a partition plate, a small cavity, a material leaking hole, a material guide pipe and an electric appliance cabinet; the bottom plate is of a cross structure, four ends of the bottom surface of the bottom plate are respectively provided with a base for supporting the ground, the top surface of the bottom plate in the left and right directions is provided with two sliding grooves, and the bottom plate is in sliding connection with the sliding seat through the sliding blocks on the bottom surface through the two sliding grooves; the first bracket is arranged on the rear side of the top surface of the bottom plate in a sitting mode, a first motor is arranged on the first bracket, the first motor is connected with a first screw rod through a belt wheel and a conveying belt, and the first screw rod penetrates through a screw rod connecting seat on the bottom surface of the sliding seat and is fixed in a sliding mode through a bearing seat; a second bracket is arranged on the top surface of the front end of the bottom plate in the front-back direction, a second motor is arranged on the top surface of the second bracket, a second lead screw connected with a third motor penetrates through the second bracket, and the other end of the second lead screw is in sliding fit through a bearing seat; the power output shaft of the second motor is connected with a rotating shaft through a coupling, the rotating shaft penetrates through a bearing in the guide frame, and a second jacket is matched at the shaft end of the rotating shaft; a tailstock with the same structure as the machine tool top seat is matched at the rear side of the top surface of the cross structure of the bottom plate in a sliding groove and sliding rail mode, a rotating shaft is matched at the top side of the tailstock, and a first jacket is matched at the shaft end of the rotating shaft; the electric appliance cabinet is positioned at the bottom side of the bottom plate, circuit components for controlling the first motor, the second motor and the third motor are arranged in the electric appliance cabinet, and the circuit connecting wires are electrically connected with the operation panel on the device.

Furthermore, the first screw rod is a positive and negative rotation double-end screw rod, and a limit switch electrically connected with the electric appliance cabinet is further arranged on the top surface of the bottom plate on the outer side of the first screw rod.

Furthermore, the buckling seat is of a fan-shaped arc cavity structure, buckling grooves of an arc structure are formed in the front end face and the rear end face of the buckling seat, and a hopper is connected to the top face of the buckling seat in a threaded mode.

Furthermore, the bottom surface of hopper has seted up the hole that leaks, and on the bottom surface of the hopper that the hole that leaks corresponds, all cooperate through the arc connecting plate and have a row of passage, the passage can be dismantled.

Furthermore, the inner cavities of the hopper are different in height, and the inner cavities of the hopper are divided into a plurality of small chambers which are distributed in a stepped mode through the partition plates on the bottom surface of the hopper.

Furthermore, the slide base is of an L-shaped structure, two L-shaped structures are actually matched on two sides of the slide base through first screw rods with forward and reverse threads, and two matching bodies of the buckle base and the hopper are matched on the top sides of the two slide bases respectively.

Furthermore, the first clamping sleeve and the second clamping sleeve are matched with four locking bolts through threaded sleeves, and the height directions of the first clamping sleeve, the second clamping sleeve and the buckling groove are on the same axis.

Furthermore, the bottom surfaces of the buckling seats are provided with bottom surface sections of horizontal plane structures, so that the bottom surfaces of the arc-shaped inner cavities formed after the buckling of the two buckling seats form a supporting bottom surface of a horizontal plane structure.

Compared with the prior art, the invention has the following beneficial effects:

this structure overall structure is the cross structure, form the all around direction of movement, through the removal and the rotation effect of this system, make the pump casing hold the mould can rotate on this device, can replace original casting shaping mode through static appearance mould shaping pump casing from this, because it is rotatable to hold the mould and put on this device, the pouring liquid of consequently mould inside injection, it is the mobility of whipping, make liquid more abundant carry out the uniform flow in the die cavity, can more comprehensive inflow to every shaping corner of die cavity, improve the homogeneity of liquid distribution, thereby reduce the bubble quantity, consequently, be adapted to the more complicated pump casing casting shaping production of structure, because the bubble has reduced, consequently, the quantity of the inside sand eye after can effectually reducing the casing shaping, improve the quality of product.

The structure that is used for fixed and pouring on the device and holds the mould is the knot seat of the fan-shaped cavate structure of controlling the lock, because it has two sections reverse screw to realize controlling through a screw rod, consequently can make about two knot seats can realize lock and separation, seem from this, this device utilizes this structural feature, adaptable in the fixed of the casting shaping appearance mould of multiple diameter size, on the adaptation range, has obtained the improvement, and the practicality is better.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the present invention from another perspective as shown in fig. 1.

Fig. 3 is a schematic view of the hopper structure of the present invention.

FIG. 4 is a schematic view of the structure of a jacket according to the present invention.

Fig. 5 is a schematic structural view of the buckle seat of the present invention.

Fig. 6 is a schematic diagram of the overall top view structure of the present invention.

Figure 7 is a schematic view of the cavity mold configuration of the present invention in use.

Fig. 8 is a block circuit flow diagram of the present invention.

In the figure: a bottom plate-1, a chute-101, a limit switch-102, a base-2, a first bracket-3, a first motor-4, a first screw rod-5, a sliding seat-6, a sliding block 601, a buckle seat-7, a buckle groove-701, a bottom surface section-702, a belt wheel-8, a screw rod connecting seat-9, a second bracket-10, a second motor-11, a third motor-12, a second screw rod-13, an operation panel-14, a guide frame-15, a bearing seat-16, a coupling-17, a rotating shaft-18, a tail seat-19, a first jacket-20, a second jacket-21, a locking bolt-22, a hopper-23, a partition plate-2301, a small chamber-2302, a material leaking hole-2303 and a pipe-24, an electric appliance cabinet-25.

Detailed Description

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

example (b):

as shown in figures 1 to 8:

the invention provides a pump shell casting device which comprises a bottom plate 1, a sliding groove 101, a limit switch 102, a base 2, a first bracket 3, a first motor 4, a first screw rod 5, a sliding seat 6, a sliding block 601, a buckling seat 7, a buckling groove 701, a bottom surface section 702, a belt wheel 8, a screw rod connecting seat 9, a second bracket 10, a second motor 11, a third motor 12, a second screw rod 13, an operation panel 14, a guide frame 15, a bearing seat 16, a coupling 17, a rotating shaft 18, a tailstock 19, a first jacket 20, a second jacket 21, a locking bolt 22, a hopper 23, a partition plate 2301, a small chamber 2302, a material leaking hole 2303, a material guide pipe 24 and an electric appliance cabinet 25; the bottom plate 1 is of a cross structure, the four ends of the bottom surface of the bottom plate are respectively provided with a base 2 for supporting the ground, the top surface of the bottom plate 1 in the left and right directions is provided with two sliding grooves 101, and the bottom plate 1 is in sliding connection with the sliding base 6 through the sliding blocks 601 on the bottom surface through the two sliding grooves 101; the first bracket 3 is arranged at the rear side of the top surface of the bottom plate 1 in a sitting mode, a first motor 4 is arranged on the first bracket 3, the first motor 4 is connected with a first screw rod 5 through a belt wheel 8 and a conveying belt, and the first screw rod 5 penetrates through a screw rod connecting seat 9 on the bottom surface of the sliding seat 6 and is fixed in a sliding mode through a bearing seat; a second bracket 10 is arranged on the top surface of the front end of the bottom plate 1 in the front-back direction, a second motor 11 is arranged on the top surface of the second bracket 10, a second screw rod 13 connected with a third motor 12 penetrates through the second bracket 10, and the other end of the second screw rod 13 is in sliding fit through a bearing seat 16; the power output shaft of the second motor 11 is connected with a rotating shaft 18 through a coupling 17, the rotating shaft 18 penetrates through a bearing in the guide frame 15, and a second jacket 21 is matched at the shaft end of the rotating shaft 18; a tailstock 19 with the same structure as the top seat of the machine tool is matched at the rear side of the top surface of the cross structure of the bottom plate 1 in a sliding groove and sliding rail mode, a rotating shaft is matched at the top side of the tailstock 19, and a first jacket 20 is matched at the shaft end of the rotating shaft; the electrical cabinet 25 is located at the bottom side of the bottom plate 1, and circuit components for controlling the first motor 4, the second motor 11 and the third motor 12 are installed inside the electrical cabinet, and the circuit connecting lines are electrically connected with the operation panel 14 on the device.

The first screw rod 5 is a forward and reverse rotation double-head screw rod, a limit switch 102 electrically connected with the electric appliance cabinet 25 is further arranged on the top surface of the outer bottom plate 1 of the first screw rod, the limit switch is used for controlling the safe movement amount of the slide seat 6, and the installation of the double-head forward and reverse rotation first screw rod 5 can enable the slide seats 6 on two sides respectively matched with forward and reverse threads of the screw rod to realize opening and closing movement when the first screw rod rotates.

The buckle base 7 is a fan-shaped arc cavity structure, the fan-shaped arc cavity structure is a storage cavity of an external cavity mold, the front end face and the rear end face of the buckle base are provided with buckle grooves 701 of arc structures for enabling the first jacket 20 and the second jacket 21 to extend into, and the top face of the buckle base 7 is in threaded connection with a hopper 23 for filling solution liquid.

Wherein, hole 2303 has been seted up to the bottom surface of hopper 23, and on the bottom surface of hopper 23 that hole 2303 corresponds, all cooperate through the arc connecting plate and have a row of passage 24, the passage 24 can be dismantled promptly, will no longer use behind the leading-in solution of passage 24, need take off the cooling slag that handles condensation, and take off the back, it is rotatory in detaining seat 7 to also be convenient for hold the mould, take off simultaneously and install going, also be for with hold the installation of annotating liquid hole phase-match selectivity on the mould, the structure is more reasonable.

Wherein, the inner chamber position height at hourglass material hole 2303 place on the hopper 23 is different, namely, these hourglass material holes pass through division board 2301 at the bottom surface of hopper 23, make the inner chamber of hopper 23 divide into a plurality of little cavities 2302 that are ladder dress and distribute, can find out from this, the setting of these little cavities of co-altitude can correspond different passage 24 on the different position, also be for annotating the liquid chamber with the chooseing of liquid injection hole phase-match selectivity on the appearance mould, liquid condenses the back in these solitary notes liquid chamber, the processing of the small range of the solution sediment that also is convenient for, further improve the rationality of structure.

Wherein, slide 6 is L shape structure, and its essence is that two L shape pedestal structures are in both sides through the cooperation of the first lead screw 5 of forward and reverse screw thread, and detain the seat 7 and also be two with the cooperation body of hopper 23, cooperate respectively in the top side of two slide 6, form the lock structure, can embody from this, the regulation practicality of this structure, this device utilizes this structural feature, adaptable in the fixed of the casting shaping appearance mould of multiple diameter size, on the adaptation range, obtained the improvement, the practicality is better.

The first jacket 20 and the second jacket 21 are respectively provided with four locking bolts 22 for locking two ends of the mold accommodating mold to reserve an installation shaft structure through matching of threaded sleeves, and in order to enable the mold accommodating mold to be fixed more stably in the front-back direction, the first jacket 20, the second jacket 21 and the catching groove 701 are on the same axis in the height direction.

The bottom surface of the buckling seat 7 is provided with a bottom surface section 702 of a horizontal plane structure, namely, the bottom surfaces of the arc-shaped inner cavities formed after the buckling of the buckling seats 7 at two positions form a supporting bottom surface of the horizontal plane structure, and the formed bottom surface is a temporary supporting platform for pouring liquid by lifting a mold containing mold to a working cavity formed by the buckling seats 7 at two positions, so that the mold is stably supported during pouring, and the reasonability of the structure is improved again.

The specific use mode and function of the embodiment are as follows:

in the invention, the first motor 4, the second motor 11 and the third motor 12 are electrically connected with control components inside the electric appliance cabinet 25 and are in circuit control with a control circuit and related buttons on the operation panel 14, and the first motor 4 rotates forward and backward under the action of the buttons on the operation panel 14, so that the first screw 5 rotates, the sliding seats 6 on the left side and the right side are buckled or separated, and the two buckling seats 7 connected to the top sides of the sliding seats 6 are buckled or separated.

Claims

1. A pump housing casting apparatus, characterized by: the pump shell casting equipment comprises a bottom plate (1), a sliding groove (101), a limit switch (102), a base (2), a first bracket (3), a first motor (4), a first screw rod (5), a sliding seat (6), a sliding block (601), a buckle seat (7), a buckle groove (701), a bottom surface section (702), a belt wheel (8), a screw rod connecting seat (9), a second bracket (10), a second motor (11), a third motor (12), a second screw rod (13), an operating panel (14), a guide frame (15), a bearing seat (16), a coupling (17), a rotating shaft (18), a tailstock (19), a first clamping sleeve (20), a second clamping sleeve (21), a locking bolt (22), a hopper (23), a partition plate (2301), a small cavity (2302), a material leaking hole (2303), a material guide pipe (24) and an electric appliance cabinet (25); the bottom plate (1) is of a cross structure, the four ends of the bottom surface of the bottom plate are respectively provided with a base (2) used for supporting the ground, the top surface of the bottom plate (1) in the left and right directions is provided with two sliding grooves (101), and the bottom plate (1) is in sliding connection with the sliding seat (6) through the sliding blocks (601) on the bottom surface through the two sliding grooves (101); the first bracket (3) is arranged on the rear side of the top surface of the bottom plate (1) in a sitting mode, a first motor (4) is arranged on the first bracket (3), the first motor (4) is connected with a first screw rod (5) through a belt wheel (8) and a conveying belt, and the first screw rod (5) penetrates through a screw rod connecting seat (9) on the bottom surface of the sliding seat (6) and is fixed in a sliding mode through a bearing seat; a second bracket (10) is arranged on the top surface of the front end of the base plate (1) in the front-back direction, a second motor (11) is arranged on the top surface of the second bracket (10), a second screw rod (13) connected with a third motor (12) penetrates through the second bracket (10), and the other end of the second screw rod (13) is in sliding fit through a bearing seat (16); the power output shaft of the second motor (11) is connected with a rotating shaft (18) through a coupling (17), the rotating shaft (18) penetrates through a bearing in the guide frame (15), and a second jacket (21) is matched at the shaft end of the rotating shaft (18); a tailstock (19) with the same structure as the machine tool top seat is matched at the rear side of the top surface of the cross structure of the bottom plate (1) in a sliding groove and sliding rail mode, a rotating shaft is matched at the top side of the tailstock (19), and a first jacket (20) is matched at the shaft end of the rotating shaft; the electric appliance cabinet (25) is located on the bottom side of the bottom plate (1), circuit components for controlling the first motor (4), the second motor (11) and the third motor (12) are installed inside the electric appliance cabinet, and circuit connecting wires for controlling the circuit components of the first motor (4), the second motor (11) and the third motor (12) are electrically connected with the operation panel (14).

2. The pump housing casting apparatus of claim 1, wherein: the first screw rod (5) is a positive and negative rotation double-head screw rod, and a limit switch (102) electrically connected with the electric appliance cabinet (25) is further arranged on the top surface of the bottom plate (1) on the outer side of the first screw rod.

3. The pump housing casting apparatus of claim 1, wherein: the buckling seat (7) is of a fan-shaped arc cavity structure, buckling grooves (701) of an arc structure are formed in the front end face and the rear end face of the buckling seat, and a hopper (23) is connected to the top face of the buckling seat (7) in a threaded mode.

4. A pump housing casting apparatus as claimed in claim 1 or 3, wherein: material leaking holes (2303) are formed in the bottom surface of the hopper (23), a row of material guide pipes (24) are matched with the bottom surface of the hopper (23) corresponding to the material leaking holes (2303) through arc-shaped connecting plates, and the material guide pipes (24) can be detached.

5. A pump housing casting apparatus as claimed in claim 1 or 3, wherein: the inner cavities of the hopper (23) are provided with material leaking holes (2303) with different heights, and the material leaking holes pass through the partition plates (2301) on the bottom surface of the hopper (23), so that the inner cavity of the hopper (23) is divided into a plurality of small chambers (2302) which are distributed in a stepped mode.

6. The pump housing casting apparatus of claim 1, wherein: the sliding bases (6) are L-shaped structures, two L-shaped structures are matched on two sides through first screw rods (5) with forward and reverse threads, and matching bodies of the buckle bases (7) and the hopper (23) are also arranged at two positions and are respectively matched on the top sides of the two sliding bases (6).

7. The pump housing casting apparatus of claim 1, wherein: the first clamping sleeve (20) and the second clamping sleeve (21) are matched with four locking bolts (22) through threaded sleeves, and the height directions of the first clamping sleeve (20), the second clamping sleeve (21) and the catching groove (701) are on the same axis.

8. A pump housing casting apparatus as claimed in claim 1 or 3, wherein: the bottom surfaces of the buckling seats (7) are respectively provided with a bottom surface section (702) with a horizontal surface structure, so that the bottom surfaces of the arc-shaped inner cavities formed after the buckling of the two buckling seats (7) form a supporting bottom surface with a horizontal surface structure.