阅读说明：本技术 一种双工位组合射砂压紧机构 (Double-station combined sand shooting and pressing mechanism ) 是由 贾厚荣 于 2020-06-06 设计创作，主要内容包括：本发明公开了一种双工位组合射砂压紧机构,包括底座,所述底座的内部两侧设有两空腔,所述底座的上部一侧安装有第一工位,所述第一工位的上部安装合模单元,所述合模单元的上端面设有限位凹槽,所述合模单元的正上方安装射砂单元,所述射砂单元的下端面安装限位凸块,所述射砂单元的上部安装活动板,所述活动板的上部安装驱动砂箱,所述第一工位的右侧安装有电机,所述电机的输出端通过联轴器连接安装螺纹杆,所述螺纹杆的上部通过螺纹连接安装活动板,所述活动板上且靠近左端面位置开孔滑动安装导向杆,所述电机的右侧安装有第二工位。本实用通过设计的双工位同步操作可以有效地提高了工作人员的工作效率,操作简单。(The invention discloses a double-station combined sand shooting and pressing mechanism which comprises a base, wherein two cavities are arranged on two sides inside the base, a first station is installed on one side of the upper portion of the base, a mold closing unit is installed on the upper portion of the first station, a limiting groove is formed in the upper end face of the mold closing unit, a sand shooting unit is installed right above the mold closing unit, a limiting lug is installed on the lower end face of the sand shooting unit, a movable plate is installed on the upper portion of the sand shooting unit, a driving sand box is installed on the upper portion of the movable plate, a motor is installed on the right side of the first station, the output end of the motor is connected with a threaded rod through a coupler, the upper portion of the threaded rod is connected with the movable plate through threads, a guide rod is installed on the movable plate in a hole position close to the left end face in a sliding mode, and a second station is installed on the right side of the motor. This practicality can improve staff's work efficiency, easy operation effectively through the duplex position synchro operation of design.)

1. The utility model provides a sand hold-down mechanism is penetrated in combination of duplex position, includes base (1), its characterized in that: two cavities (2) are arranged on two sides of the interior of the base (1), the left sides of the cavities (2) on two sides are hinged with a movable installation box door (3), a first station (4) is installed on one side of the upper portion of the base (1), a die assembly unit (5) is installed on the upper portion of the first station (4) in a screw mode, a limiting groove (6) is arranged on the upper end face of the die assembly unit (5), a sand shooting unit (7) is installed right above the die assembly unit (5), a limiting lug (8) is installed on the lower end face of the sand shooting unit (7) in a welding mode, the size and the shape of the limiting lug (8) and the size and the shape of the limiting groove (6) are identical, a movable plate (9) is installed on the upper portion of the sand shooting unit (7) in a welding mode, a driving sand box (10) is installed on the upper portion of the movable plate (9), and a conveying pipe (11) is installed on the rear side of the driving sand box (10) in a sleeving mode, install on conveyer pipe (11) and penetrate sand valve (12), the right side of first station (4) just is in install motor (13) on base (1), the output of motor (13) passes through coupling joint installation threaded rod (14), threaded connection installation fly leaf (9) are passed through on the upper portion of threaded rod (14), on fly leaf (9) and be close to left end face position trompil and be equipped with guiding hole (15), slidable mounting guide bar (16) on guiding hole (15), the bottom welded fastening of guide bar (16) is in on base (1), the right side of motor (13) just is in install second station (17) on base (1), the preceding terminal surface of base (1) and in both sides embedding installation controller (18) between chamber door (3), just controller (18) with drive sand box (10), The sand shooting valve (12) is electrically connected with the motor (13), and a supporting block (19) is welded and installed at the bottom of the base (1).

2. The double-station combined sand shooting and compacting mechanism of claim 1, wherein: and the second station (17) is provided with a mold closing unit (5), a sand shooting unit (7), a driving sand box (10) which are the same as the first station (4), and a conveying pipe (11) and a sand shooting valve (12) which are arranged on the driving sand box (10).

3. The double-station combined sand shooting and compacting mechanism of claim 1, wherein: and a protective shell (20) is arranged on the outer surface of the motor (13) and on the base (1) through screws.

4. The double-station combined sand shooting and compacting mechanism of claim 1, wherein: the cavities (2) on the two sides are sand storage cavities.

5. The double-station combined sand shooting and compacting mechanism of claim 1, wherein: the same guide rod (16) is arranged on the movable plate (9) and is provided with a hole close to the right end face.

6. The double-station combined sand shooting and compacting mechanism of claim 1, wherein: and a handle (21) is arranged on the box door (3) through screws.

Technical Field

The invention relates to the technical field related to casting sand mold production, in particular to a double-station combined sand shooting and compacting mechanism.

Background

The injection-compression molding machine, also called a core shooter, uses compressed air to uniformly inject molding sand into a sand box for pre-compaction, and then applies pressure to compact the molding sand. The common injection molding machine has a vertical parting flaskless injection molding machine and a horizontal parting flaskless injection molding machine.

In the existing casting industry, sand mold production is more and more extensive, especially the mechanical modeling industry, however, the existing sand shooting machine is designed in a single station, and the working efficiency of workers is reduced in the actual production application.

Disclosure of Invention

The invention aims to provide a double-station combined sand shooting and compacting mechanism to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a double-station combined sand shooting and pressing mechanism comprises a base, wherein two cavities are arranged on two sides in the base, the left sides of the cavities on two sides are hinged with a movable installation box door, a first station is installed on one side of the upper portion of the base, a die assembly unit is installed on the upper portion of the first station through screws, a limiting groove is formed in the upper end face of the die assembly unit, a sand shooting unit is installed right above the die assembly unit, a limiting convex block is installed on the lower end face of the sand shooting unit in a welded mode, the size and the shape of the limiting convex block and the limiting groove are identical, a movable plate is installed on the upper portion of the sand shooting unit in a welded mode, a driving sand box is installed on the upper portion of the movable plate, a conveying pipe is installed on the rear side of the driving sand box in a sleeved mode, a sand shooting valve is installed on the conveying pipe, a motor is installed on the base on the right side of the first station, and a threaded rod is installed at the output end of the motor through a coupling, the upper portion of threaded rod is through threaded connection installation fly leaf, on the fly leaf and be close to left end face position trompil and be equipped with the guiding hole, slidable mounting guide bar on the guiding hole, the bottom welded fastening of guide bar is in on the base, the right side of motor just is in install the second station on the base, the preceding terminal surface of base just is in both sides embedding installation controller between the chamber door, just the controller with drive sand box the sand shooting valve with motor electric connection, the bottom welding installation supporting shoe of base.

Preferably, the second station is provided with a mold closing unit, a sand shooting unit and a driving sand box which are the same as those of the first station, and a conveying pipe and a sand shooting valve which are arranged on the driving sand box.

Preferably, a protective shell is mounted on the outer surface of the motor and on the base through screws.

Preferably, the cavities on the two sides are sand storage cavities.

Preferably, the same guide rod is arranged on the movable plate and close to the opening on the right end face.

Preferably, a handle is mounted on the box door through screws.

Compared with the prior art, the invention has the beneficial effects that: firstly, cavities on two sides in the base are filled with molding sand, then a motor is started, the threaded rod is in screwed connection with the internal thread of the movable plate to enable the threaded rod to descend and move, then the sand shooting units on two stations descend until the limiting convex blocks compress the limiting grooves to fit, finally, the controller is started to control and drive the sand box, the sand shooting valve is opened, and the molding sand is uniformly injected into the die assembly unit through the sand shooting units, so that the operation is completed.

The invention has the advantages of reasonable integral structure design, strong practicability, simple operation, good use effect and the like, and the working efficiency of workers can be effectively improved through the designed double-station synchronous operation.

Drawings

FIG. 1 is a schematic view of the overall structure of a double-station combined sand shooting and compacting mechanism of the invention;

FIG. 2 is a schematic view of an appearance structure of a double-station combined sand shooting and compacting mechanism of the invention;

fig. 3 is a left view structural schematic diagram of a double-station combined sand shooting and compacting mechanism.

In the figure: 1. a base; 2. a cavity; 3. a box door; 4. a first station; 5. a mold clamping unit; 6. a limiting groove; 7. a sand shooting unit; 8. a limiting bump; 9. a movable plate; 10. driving the sand box; 11. a delivery pipe; 12. a sand shooting valve; 13. a motor; 14. a threaded rod; 15. a guide hole; 16. a guide bar; 17. a second station; 18. a controller; 19. a support block; 20. a protective shell; 21. a handle.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a double-station combined sand shooting and pressing mechanism comprises a base 1, two cavities 2 are arranged on two sides in the base 1, the left sides of the cavities 2 on the two sides are hinged with a movable installation box door 3, a first station 4 is installed on one side of the upper portion of the base 1, a die assembly unit 5 is installed on an upper portion screw of the first station 4, a limiting groove 6 is formed in the upper end face of the die assembly unit 5, a sand shooting unit 7 is installed right above the die assembly unit 5, a limiting lug 8 is installed on the lower end face of the sand shooting unit 7 in a welding mode, the size and the shape of the limiting lug 8 and the limiting groove 6 are identical, a movable plate 9 is installed on the upper portion of the sand shooting unit 7 in a welding mode, a driving sand box 10 is installed on the upper portion of the movable plate 9, a conveying pipe 11 is installed on the rear side of the driving sand box 10 in a sleeved mode, a sand shooting valve 12 is installed on the conveying pipe 11, a motor 13 is installed on the base 1 on the right side of the first station 4, the output end of the motor 13 is connected with a mounting threaded rod 14 through a coupler, the upper part of the threaded rod 14 is connected and installed with a movable plate 9 through threads, a guide hole 15 is formed in the position, close to the left end face, of the movable plate 9, a guide rod 16 is installed on the guide hole 15 in a sliding mode, the bottom end of the guide rod 16 is fixedly welded on the base 1, the right side of the motor 13 is provided with a second station 17, a controller 18 is embedded between the box doors 3 on the two sides of the front end face of the base 1, the controller 18 is electrically connected with the driving sand box 10, the sand shooting valve 12 and the motor 13, and a supporting block 19 is installed at the bottom of the base 1 in a welding mode;

the second station 17 is provided with a mold closing unit 5, a sand shooting unit 7, a driving sand box 10, a conveying pipe 11 and a sand shooting valve 12 which are the same as those of the first station 4, the conveying pipe 11 and the sand shooting valve 12 are arranged on the driving sand box 10, the outer surface of a motor 13 is provided with a protective shell 20 which is screwed on a base 1, cavities 2 at two sides are sand storage cavities, a hole which is arranged on a movable plate 9 and is close to the right end surface is provided with a same guide rod 16, a handle 21 is screwed on a door 3, firstly, the cavities 2 at two sides in the base 1 are fully loaded with molding sand, then, the motor 13 is started, a threaded rod 14 is in screwed connection with the inner thread of the movable plate 9 to enable the threaded rod to descend, further, the sand shooting units 7 on the two stations descend until a limiting lug 8 tightly presses and fits a limiting groove 6, finally, a controller 18 is started to control the driving sand box 10, the sand shooting valve 12 is opened, and the molding sand is uniformly injected into the mold closing unit 5 through the sand shooting unit 7, the automatic double-station synchronous operation device has the advantages of reasonable overall structure design, strong practicability, simple operation, good use effect and the like, and the working efficiency of workers can be effectively improved through the designed double-station synchronous operation.

The working principle is as follows: when the sand injection device is used, firstly, the cavities 2 on two sides in the base 1 are filled with molding sand, then the motor 13 is started, the threaded rod 14 is connected with the internal thread of the movable plate 9 in a screwing mode to enable the threaded rod to descend and move, further the sand shooting units 7 on two stations descend until the limiting lugs 8 compress the limiting grooves 6 to fit, finally the controller 18 is started to control and drive the sand box 10, the sand shooting valves 12 are opened, and the molding sand is injected into the die assembly unit 5 uniformly through the sand shooting units 7, so that the operation is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.