CN218192489U

CN218192489U - Multi-station low-pressure casting machine for pressure casting

Info

Publication number: CN218192489U
Application number: CN202220584008.7U
Authority: CN
Inventors: 孙宏伟; 葛政鹏; 闫继强
Original assignee: Weifang Boyuan Power Technology Co ltd
Current assignee: Weifang Boyuan Power Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2023-01-03
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a multistation low pressure casting machine for pressure casting, the test platform comprises a support, be equipped with the frame on the frame, be equipped with the work suspension in the frame, be equipped with two at least stations on the work suspension, the work suspension passes through the dabber and installs in the frame, the dabber top is equipped with and fixes at the dabber, and can drive the work suspension along dabber the central axis pivoted driving motor. This casting machine structural design is ingenious, and stability is strong, and difficult harm designs the double-end structure, improves production efficiency, in addition, according to the productivity demand, the pressurize of product structure, cool time still can increase for multihead structures such as three, four, can realize the later stage and upgrade.

Description

Multi-station low-pressure casting machine for pressure casting

Technical Field

The utility model relates to a machine-building technical field especially relates to an equipment is used in low pressure casting, specifically indicates a multistation low pressure casting machine is used in pressure casting.

Background

As is well known, a low-pressure casting machine is one of the common devices in the pressure casting technology, but each low-pressure casting technology company has different structures of the used low-pressure casting machines due to different product structures, sizes and shapes, and at present, the low-pressure casting machine with relatively small size is a single-head low-pressure casting device which is independently developed by the company, and is designed by a technician according to the use requirement, but the low-pressure casting machine has a simple structure and is used by the manufacturer, so that the low-pressure casting machine is not disclosed as a technical secret.

With the increasing scale of companies, the demand for capacity is also increased, and meanwhile, government departments and related industry personnel visit and investigate the factory, and the newly designed double-head low-pressure casting machine cannot be further stored as a technical secret, so that the patent application is required for further protection.

The low-pressure casting machine used by the existing company is simple in structure, a heated flowable wax body is molded through a mold, the mold is opened after long-time pressure maintaining and cooling, an internally molded product is taken out after the mold is opened, single-head single operation is performed, the process of rectification is simple, but the efficiency is low, the period is long, and the productivity is seriously influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to the weak point that prior art exists, provide a multistation low pressure casting machine for pressure casting, this casting machine structural design is ingenious, and stability is strong, and difficult harm designs the double-end structure, improves production efficiency, in addition, according to the productivity demand, the pressurize of product structure, cool time still can increase to be multiend structures such as three, four, can realize the later stage and upgrade.

The technical solution of the utility model is, a following multistation low pressure casting machine for pressure casting is provided, the test platform comprises a support, be equipped with the frame on the frame, be equipped with the work suspension in the frame, be equipped with two at least stations on the work suspension, the work suspension passes through the spindle mount in the frame, the dabber top is equipped with to be fixed at the spindle, and can drive the work suspension along dabber the central axis pivoted driving motor.

Preferably, the mandrel is axially movable, and a lifting cylinder for axially moving the mandrel is arranged at the bottom of the mandrel.

Preferably, the working suspension is sleeved outside the mandrel, and two groups of copper sleeves are arranged between the working suspension and the mandrel and are respectively positioned at the upper part and the lower part of the working suspension.

Preferably, a gear seat is sleeved outside the upper copper sleeve, a driven gear is sleeved on the gear seat, a driving gear is meshed outside the driven gear, the driving gear is installed on a power output shaft of a driving motor, and the driving motor is connected with the mandrel through a sleeve seat.

Preferably, the driven gear and the gear seat are fixed through one or more of screws, pins and inserts, the gear seat and the upper copper sleeve are fixed through one or more of screws, pins and inserts, and the lower copper sleeve and the working suspension are connected through one or more of screws, pins and inserts.

Preferably, the mandrel is a stepped shaft, the axial end face of the lower copper sleeve is further provided with a thrust bearing, an upper ring of the thrust bearing is in contact with the axial end face of the lower copper sleeve, and the lower end of the thrust bearing is connected with an upper fixing block.

Preferably, the work suspension is of an I-shaped structure and comprises an upper cantilever and a lower cantilever, a connecting cylinder of a hollow structure is arranged between the upper cantilever and the lower cantilever, a casting cylinder used for driving the low-pressure casting die to move is arranged on the upper cantilever, the number of the casting cylinders is consistent with that of stations on the work suspension, and a process hole used for casting is formed in the lower cantilever.

Preferably, the rack is of a door-shaped structure and comprises two vertical plates on two sides and two transverse beams transversely connected with the vertical plates on the two sides, the two transverse beams are an upper transverse beam and a lower transverse beam respectively, an operation gap is arranged between the upper transverse beam and the lower transverse beam, a sliding block penetrating through the upper surface and the lower surface of the upper transverse beam is arranged on the upper transverse beam, an upper fixing block and a lower fixing block are arranged at the top and the bottom of the sliding block respectively, the upper fixing block and the lower fixing block are connected with the sliding block respectively through screws, and the two sliding blocks are arranged in parallel.

Preferably, the top of the upper fixing block is provided with a positioning pin hole which is recessed downwards, the bottom end of the mandrel is provided with a positioning pin shaft, and the positioning pin shaft is positioned in the positioning pin hole after installation.

Preferably, the bottom of the lower fixing block is connected with a piston rod of the lifting cylinder, the lifting cylinder is fixed on the lower cross beam, a through hole for the piston rod of the lifting cylinder to pass through is formed in the lower cross beam, and the base is further provided with an injection machine and a surrounding baffle.

The beneficial effects of the technical scheme are as follows: this casting machine structural design is ingenious, and stability is strong, sets up the dabber of putting, has improved the precision after the station selection, because the dabber size is thick relatively, and has higher bearing capacity, uses difficult harm for a long time, designs duplex position or multistation structure, improves production efficiency, in addition, according to the productivity demand, the pressurize of product structure, cooling time still can increase to the multihead structures such as three, four, can realize later stage upgrading, increase production efficiency.

Drawings

Fig. 1 is a schematic structural view of a multi-station low-pressure casting machine for pressure casting.

Fig. 2 is a front view of fig. 1 (taken transverse to the central axis of the mandrel).

Fig. 3 is a left side view (taken longitudinally along the central axis of the mandrel) of fig. 1.

Detailed Description

For convenience of explanation, the multi-station low-pressure casting machine for pressure casting of the present invention will be described in detail below with reference to the accompanying drawings, and the embodiment adopts a dual-station design for explanation.

As shown in fig. 1 to 3, a multi-station low-pressure casting machine for pressure casting is substantially a double-station low-pressure casting machine, and includes a machine base 1, the machine base 1 is tiled on the ground to improve the overall stability of the machine, a machine frame 2 is provided on the machine base 1, the machine frame 2 is of a gate-shaped structure and includes two vertical plates 2.1 on two sides and a cross beam transversely connecting the two vertical plates 2.1 on two sides, the cross beam includes two upper cross beams 2.2 and two lower cross beams 2.3, an operating gap is provided between the upper cross beam 2.2 and the lower cross beam 2.3 to form a working stroke for lifting the machine upwards, and mainly to form a separation action of an injection nozzle and a mold opening after injection is completed. In order to meet the actions, the position precision is guaranteed, the stability of the equipment is guaranteed, the injection nozzle on the next station can be perfectly matched with the mold opening after reset, and the requirements on the whole lifting action and the equipment mechanism are high, and the method is as follows:

firstly, set up a frame 2, be equipped with work suspension 3 in the frame, be equipped with two stations on the work suspension 3, and the symmetry design, work suspension 3 passes through dabber 4 and installs in

frame

2, 4 tops of dabber are equipped with and fix on dabber 4 and can drive work suspension 3 along 4 the central axis pivoted driving motor 5 of dabber, and the dabber axiality is below 1-2um, and the axiality is higher, and station position precision after the rotation is higher.

The core shaft 4 is of an axially movable structure, the bottom of the core shaft 4 is provided with a lifting cylinder 6 for axially moving the core shaft 4, and the separation of an injection nozzle of the injection machine and a mold opening of a mold 17 is realized by utilizing the lifting action of the lifting cylinder 6, so that the whole working suspension 3 is lifted upwards by a displacement distance, and the condition that the injection nozzle and the mold opening do not interfere with each other in the rotating process is met.

The working suspension 3 is sleeved outside the mandrel 4, the copper sleeves 7 are arranged between the working suspension 3 and the mandrel 4, and the two copper sleeves 7 are respectively positioned on the upper portion and the lower portion of the working suspension 3. The metal copper has good ductility and wear resistance, has the function of a bearing, is characterized by easy processing, and has good sliding property and self-lubricating property under the conditions of lack of a lubricant and use of a water lubricant.

The external cover that is located upper portion copper sheathing 7 has gear seat 8, the cover has driven gear 9 on the gear seat 8, driven gear 9 external meshing has driving gear 10, driving gear 10 is installed on driving motor 5's power output shaft, driving motor 5 is connected with dabber 4 through the cover seat. Combine servo motor 5 and dabber 4 as an organic whole, utilize servo motor 5's rotation, drive the driven gear 9 who installs at the top of work suspension 3 and rotate to drive work suspension 3 and rotate, of course, before work suspension 3 rotates, at first will utilize the lifting cylinder to accomplish the lifting action.

The driven gear 9 and the gear seat 8 are fixed by one or more of screws, pins and inserts between the fixed gear seat 8 and the upper copper sleeve 7, and the lower copper sleeve 7 and the working suspension 3 are connected by one or more of screws, pins and inserts.

The mandrel 4 is a stepped shaft, the axial end face of the lower copper sleeve 7 is also provided with a thrust bearing 12, the upper ring of the thrust bearing 12 is in contact with the axial end face of the lower copper sleeve 7, and the lower end of the thrust bearing 12 is connected with an upper fixing block 13. In order to better realize the rotation of the working suspension, the bottom of the working suspension is provided with a thrust bearing, so that the frictional resistance caused by the self gravity is effectively overcome.

Work suspension 3 is the I shape structure, including last cantilever 3.1 and lower cantilever 3.2, goes up cantilever 3.1 and is equipped with hollow structure's connecting cylinder 3.3 down between the cantilever 3.2, upward be equipped with on the cantilever 3.1 and be used for driving the casting cylinder 14 that the mould removed on the low pressure casting mould, the quantity of casting cylinder 14 is unanimous with the station quantity on the work suspension 3, be equipped with the fabrication hole that is used for the casting on the cantilever 3.2 down.

The upper crossbeam 2.2 is provided with two sliding blocks 15 penetrating through the upper surface and the lower surface of the upper crossbeam 2.2, the top and the bottom of each sliding block 15 are respectively provided with an upper fixed block 13 and a lower fixed block 16, the upper fixed block 13 and the lower fixed block 16 are respectively connected with the sliding blocks 15 through screws, and the two sliding blocks 15 are arranged in parallel. The slide block is composed of two slide blocks arranged in parallel, on one hand, acceptance balance is achieved, and on the other hand, the guidance quality is good.

The top of the upper fixing block 13 is provided with a positioning pin hole which is sunken downwards, the bottom end of the mandrel 4 is provided with a positioning pin shaft, and the positioning pin shaft is positioned in the positioning pin hole after installation; 16 bottoms of lower fixed block are connected with the piston rod of lifting cylinder 6, lift cylinder 6 and fix on bottom end rail 2.3, be equipped with the through-hole that is used for lifting cylinder 6 piston rod and passes through on bottom end rail 2.3, still be equipped with the injection machine on the frame 1 and enclose fender 11, the injection machine is prior art, does not draw in the picture, and the fender is enclosed in the setting for the safety consideration, prevents that high temperature from scalding the staff.

In the above embodiments, the best mode of the present invention has been described, it is obvious that many changes can be made under the inventive concept of the present invention, and it should be noted that any changes made under the inventive concept of the present invention will fall within the protective scope of the present invention.

Claims

1. A multi-station low-pressure casting machine for pressure casting is characterized in that: including frame (1), be equipped with frame (2) on frame (1), be equipped with work suspension (3) on frame (2), be equipped with two at least stations on work suspension (3), install in frame (2) through dabber (4) work suspension (3), dabber (4) top is equipped with fixes on dabber (4) and can drive work suspension (3) along dabber (4) the central axis pivoted driving motor (5).

2. The multi-station low-pressure casting machine for pressure casting according to claim 1, wherein: the mandrel (4) is of an axially movable structure, and a lifting cylinder (6) which can axially move the mandrel (4) is arranged at the bottom of the mandrel (4).

3. The multi-station low-pressure casting machine for pressure casting according to claim 2, wherein: the working suspension (3) is sleeved outside the mandrel (4), copper sleeves (7) are arranged between the working suspension (3) and the mandrel (4), and the copper sleeves (7) comprise two groups which are respectively located on the upper portion and the lower portion of the working suspension (3).

4. The multi-station low-pressure casting machine for pressure casting according to claim 3, wherein: the outside cover that is located upper portion copper sheathing (7) has gear seat (8), the cover has driven gear (9) on gear seat (8), driven gear (9) external toothing has driving gear (10), install on the power output shaft of driving motor (5) driving gear (10), driving motor (5) are connected with dabber (4) through the cover seat.

5. The multi-station low-pressure casting machine for pressure casting according to claim 4, wherein: the driven gear (9) and the gear seat (8) are fixed through one or more of screws, pins and inserts between the fixed gear seat (8) and the upper copper sleeve (7), and the driven gear (9) and the gear seat (8) are connected through one or more of screws, pins and inserts between the lower copper sleeve (7) and the working suspension (3).

6. The multi-station low-pressure casting machine for pressure casting according to claim 5, wherein: the mandrel (4) is a stepped shaft, the axial end face of the lower copper sleeve (7) is further provided with a thrust bearing (12), the upper ring of the thrust bearing (12) is in contact with the axial end face of the lower copper sleeve (7), and the lower end of the thrust bearing (12) is connected with an upper fixing block (13).

7. The multi-station low-pressure casting machine for pressure casting according to claim 6, wherein: work suspension (3) are I-shaped structure, including last cantilever (3.1) and lower cantilever (3.2), go up cantilever (3.1) and be equipped with hollow structure's connecting cylinder (3.3) down between cantilever (3.2), upward be equipped with on cantilever (3.1) and be used for driving the casting cylinder (14) that the mould removed on the low pressure casting mould, the quantity of casting cylinder (14) is unanimous with the station quantity on work suspension (3), be equipped with on lower cantilever (3.2) and be used for cast fabrication hole.

8. The multi-station low-pressure casting machine for pressure casting according to claim 7, wherein: the frame (2) is a door-shaped structure and comprises two vertical plates (2.1) on two sides and two transverse beams transversely connected with the two vertical plates (2.1), the two transverse beams comprise an upper transverse beam (2.2) and a lower transverse beam (2.3), an operation gap is arranged between the upper transverse beam (2.2) and the lower transverse beam (2.3), a sliding block (15) penetrating through the upper surface and the lower surface of the upper transverse beam (2.2) is arranged on the upper transverse beam (2.2), an upper fixed block (13) and a lower fixed block (16) are arranged at the top and the bottom of the sliding block (15) respectively, the upper fixed block (13) and the lower fixed block (16) are connected with the sliding block (15) through screws respectively, and the sliding blocks (15) are arranged in parallel.

9. The multi-station low-pressure casting machine for pressure casting according to claim 8, wherein: the top of the upper fixing block (13) is provided with a positioning pin hole which is sunken downwards, the bottom end of the mandrel (4) is provided with a positioning pin shaft, and the positioning pin shaft is positioned in the positioning pin hole after installation.

10. The multi-station low-pressure casting machine for pressure casting according to claim 9, wherein: lower fixed block (16) bottom is connected with the piston rod of lifting cylinder (6), lift cylinder (6) and fix on bottom end rail (2.3), be equipped with the through-hole that is used for lifting cylinder (6) piston rod to pass through on bottom end rail (2.3), still be equipped with the injection machine on frame (1) and enclose fender (17).