A batch motor housing forming equipment

Abstract

The utility model discloses a batch motor shell forming equipment, belonging to the technical field of shell forming, comprising a mounting frame, a lower cylinder is arranged below the mounting frame, a piston rod inside the lower cylinder movably penetrates the top of the mounting frame and is threadedly connected with an upper mold plate, an upper module is installed on the top of the upper mold plate, vertical poles are symmetrically arranged on the top of the mounting frame, a top plate is fixed on the top of the vertical poles, a lower module is installed at the center of the bottom end of the top plate, side strips are evenly fixed on the circumference of the inner wall of the lower module, an injection pipe with a valve and an exhaust pipe with a valve are connected to the top of the lower module, a through groove is cooperatively opened on the top plate, a demoulding frame is installed on the top of the top plate, an upper cylinder is installed at the center of the top of the demoulding frame, and the piston rod inside the upper cylinder movably penetrates the demoulding frame and is connected with a striking ball; through the above method, demoulding is facilitated while ensuring the injection molding effect.

Description

Technical Field

[0001] The utility model relates to the technical field of shell molding, in particular to batch motor shell molding equipment. Background Art

[0002] The motor is a device that converts electrical energy into mechanical energy. It is one of the indispensable devices in life and can be seen everywhere in production and life. The motor housing is a protective workpiece for the various components inside the motor. It is an important protective component for the motor. In order to improve the production efficiency of the motor housing, most of the current motor housings are mass-molded by injection molds.

[0003] The Chinese patent with application number CN202020457802.6 discloses a mold for forming a motor housing casting, including a lower mold, an upper mold and a workbench, an upper mold cavity is arranged inside the upper mold, and an upper mold liquid inlet pipe and an upper mold liquid outlet pipe connected to the upper mold cavity are fixed on the top of the upper mold, a jacket is arranged on the outside of the lower mold, and the inner side of the jacket is a lower mold cooling liquid cavity, a lower mold liquid inlet pipe connected to the lower mold cooling liquid cavity is fixed on the bottom of the jacket, a lower mold liquid outlet pipe connected to the lower mold cooling liquid cavity is fixed on the top of the jacket, the lower mold is fixed on the workbench, and a vertically upward linear motor is fixed inside the workbench. The device is easy to demould, but in order to ensure demoulding, a through groove of a certain size needs to be opened at the bottom of the molding cavity to realize the ejection of the molded part. During injection molding, due to the presence of the through groove, there may be seams on the surface of the molded part, which affects the quality of the motor housing molded part.

[0004] Based on this, the utility model designs a batch motor housing molding equipment to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a batch motor housing molding device.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A batch motor housing forming equipment comprises a mounting frame, a lower cylinder is arranged below the mounting frame, a piston rod inside the lower cylinder movably penetrates the top of the mounting frame and is threadedly connected to an upper mold plate, an upper module is installed on the top of the upper mold plate, vertical poles are symmetrically arranged on the top of the mounting frame, a top plate is fixed on the top of the vertical poles, a lower module is installed at the center of the bottom end of the top plate, side strips are evenly fixed on the circumference of the inner wall of the lower module, an injection pipe with a valve and an exhaust pipe with a valve are connected to the top of the lower module, a through groove is cooperated on the top plate, a demoulding frame is installed on the top of the top plate, an upper cylinder is installed at the center of the top of the demoulding frame, and the piston rod inside the upper cylinder movably penetrates the demoulding frame and is connected to a hitting ball.

[0008] Furthermore, there are two groups of lower cylinders which are symmetrically arranged on both sides of the center of the bottom end of the mounting frame, and the piston rods inside the lower cylinders are connected to the edge of the upper mold plate.

[0009] Furthermore, the upper mold plate and the upper module are both provided with lower screw holes, the lower screw holes on the upper mold plate penetrate the upper mold plate, and the lower screw holes on the upper module do not penetrate the upper module, and the lower connecting bolts are threadedly connected to the inner threads of the lower screw holes.

[0010] Furthermore, the lower module and the top plate are both provided with upper screw holes, the lower screw hole on the top plate is arranged through the top plate, the upper screw hole on the lower module is not arranged through the lower module, and the upper connecting bolt is connected to the inner thread of the upper screw hole.

[0011] Furthermore, the top and bottom ends of the vertical rod are respectively threadedly connected to the top plate and the mounting frame, through holes are symmetrically opened on both side edges of the center of the upper mold plate, and a guide rod is installed on the top of the mounting frame, and the guide rod passes through the through hole.

[0012] Furthermore, a connecting plate is fixed to the top edge of the lower module, a through screw hole is provided on the connecting plate, a long hole is provided on the top plate, and mounting bolts are provided in conjunction with the long hole and the inner thread of the through screw hole.

[0013] Furthermore, a cooling ring frame is threadedly installed on the bottom end of the top plate, and cooling ring pipes are arranged on the inner wall of the cooling ring frame. The cooling ring pipes are connected and both ends pass through the cooling ring frame.

[0014] Furthermore, the bottom end of the cooling ring frame is flush with the bottom end of the lower module, and the inner diameter of the cooling ring frame is larger than the outer diameter of the lower module.

[0015] Beneficial Effects

[0016] 1. By setting the upper mold plate and the upper die block at the bottom and the lower die block at the top, compared with the traditional setting method, the gravity of the injection molded part itself is used to assist demoulding when the injection molding is completed, and the demoulding is carried out with the cooperation of the upper cylinder and the hitting ball, which is convenient for use. Compared with the traditional method of the lower mold at the bottom and the upper mold at the top, the injection molded part is ejected by grooving at the bottom of the lower mold, which is convenient for demoulding and ensures the injection molding effect;

[0017] 2. By setting through holes and guide rods, the upper module is assisted in vertical movement positioning by the guide rods; by setting connecting plates, through screw holes, long holes and mounting bolts, the mounting bolts are connected through the long holes and through screw holes to further fix the lower module; by setting a cooling ring frame and a cooling ring pipe, the cooling ring pipe is connected to an external cooling device to cool the internal space of the cooling ring frame to assist injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a three-dimensional diagram of the main structure of a batch motor housing molding device of the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the top plate structure of a batch motor housing molding device of the utility model;

[0021] Figure 3 This is a three-dimensional diagram of the upper die plate structure of a batch motor housing molding device of the utility model;

[0022] Figure 4 This is a three-dimensional diagram of the lower module structure of a batch motor housing molding equipment of the utility model;

[0023] Figure 5 This is a three-dimensional diagram of the internal structure of the lower module of a batch motor housing molding device of the utility model;

[0024] Figure 6 The utility model is a three-dimensional diagram of a cooling ring frame structure of a batch motor housing molding device.

[0025] The numbers in the figure represent:

[0026] 1. Mounting frame; 2. Lower cylinder; 3. Upper mold plate; 4. Upper module; 5. Lower screw hole; 6. Lower connecting bolt; 7. Vertical pole; 8. Top plate; 9. Lower module; 10. Side strip; 11. Upper screw hole; 12. Upper connecting bolt; 13. Injection tube; 14. Exhaust pipe; 15. Through slot; 16. Demolding frame; 17. Upper cylinder; 18. Beating ball; 19. Through hole; 20. Guide rod; 21. Connecting plate; 22. Through screw hole; 23. Long hole; 24. Mounting bolt; 25. Cooling ring frame; 26. Cooling ring tube. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The utility model is further described below in conjunction with embodiments.

[0029] In some embodiments, please refer to the accompanying drawings. Figure 1 , Figure 3 , Figure 4 and Figure 5 A batch motor housing molding equipment includes a mounting frame 1, a lower cylinder 2 is arranged below the mounting frame 1, a piston rod inside the lower cylinder 2 movably penetrates the top of the mounting frame 1 and is threadedly connected to an upper mold plate 3, an upper mold plate 4 is installed on the top of the upper mold plate 3, a vertical rod 7 is symmetrically arranged on the top of the mounting frame 1, a top plate 8 is fixed on the top of the vertical rod 7, a lower mold plate 9 is installed at the center of the bottom end of the top plate 8, side strips 10 are evenly fixed on the circumference of the inner wall of the lower mold plate 9, an injection pipe 13 with a valve and an exhaust pipe 14 with a valve are connected to the top of the lower mold plate 9, a through groove 15 is cooperated on the top plate 8, a demoulding frame 16 is installed on the top of the top plate 8, an upper cylinder 17 is installed at the center of the top of the demoulding frame 16, and a piston rod inside the upper cylinder 17 movably penetrates the demoulding frame 16 and is connected to a striking ball 18;

[0030] In the embodiment of the utility model, when the motor housing is injection molded, the lower cylinder 2 is started to push the upper mold plate 3 upward, so that the upper mold plate 4 moves upward into the lower mold plate 9, and forms a molding cavity with the side strip 10, which is closed by the upper mold plate 3. The injection molding tube 13 is used to connect the external equipment to inject the injection liquid into the molding cavity for injection molding. After the completion, the exhaust pipe 14 is opened for exhaust. After the exhaust is completed, the lower cylinder 2 is started to separate the upper mold plate 3 from the lower mold plate 9 slightly. At this time, the upper cylinder 17 is started to drive the striking ball 18 to move downward and continuously strike the top plate 8, so that the molded injection molded part and the lower mold plate 9 are separated and fall on the upper mold plate 3. As the lower cylinder 2 continues to operate, the molded injection molded part completely leaves the lower mold plate 9 to achieve separation.

[0031] In the embodiment of the utility model, by arranging the upper mold plate 3 and the upper mold block 4 at the lower part, and arranging the lower mold block 9 at the upper part, compared with the traditional arrangement, the gravity of the injection molded part itself is used to assist demoulding when the injection molding is completed, and the demoulding is carried out with the cooperation of the upper cylinder 17 and the striking ball 18, which is convenient for use. Compared with the traditional method of the lower mold being at the bottom and the upper mold being at the top, the injection molded part is ejected by grooving at the bottom of the lower mold, which facilitates demoulding while ensuring the effect of injection molding;

[0032] In an example of the present invention, there are two groups of lower cylinders 2 and they are symmetrically arranged on both sides of the center of the bottom end of the mounting frame 1. The piston rod inside the lower cylinder 2 is connected to the edge of the upper mold plate 3. The upper mold plate 3 and the upper module 4 are both provided with lower screw holes 5. The lower screw holes 5 on the upper mold plate 3 penetrate the upper mold plate 3, and the lower screw holes 5 on the upper module 4 do not penetrate the upper module 4. The lower screw holes 5 are threadedly connected with lower connecting bolts 6. The upper module 4 is convenient for installation and replacement of the upper module 4 under the thread cooperation of the lower connecting bolts 6 and the lower screw holes 5; upper screw holes 11 are both provided on the lower module 9 and the top plate 8. The lower screw holes 5 on the top plate 8 penetrate the top plate 8, and the upper screw holes 11 on the lower module 9 do not penetrate the lower module 9. The upper screw holes 11 are threadedly connected with upper connecting bolts 12. The lower module 9 is convenient for installation and replacement under the thread cooperation of the upper connecting bolts 12 and the upper screw holes 11;

[0033] In some embodiments, Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, as a preferred embodiment of the utility model, the top and bottom ends of the vertical rod 7 are respectively threadedly connected to the top plate 8 and the mounting frame 1, the edges of the center of the upper mold plate 3 are symmetrically provided with through holes 19, a guide rod 20 is installed on the top of the mounting frame 1, and the guide rod 20 passes through the through hole 19, a connecting plate 21 is fixed to the top edge of the lower module 9, and a through screw hole 22 is opened on the connecting plate 21, a long hole 23 is matched on the top plate 8, and the long hole 23 and the through screw hole 22 are threaded with mounting bolts 24, a cooling ring frame 25 is threadedly installed on the bottom end of the top plate 8, and cooling ring pipes 26 are evenly arranged on the inner wall of the cooling ring frame 25, the cooling ring pipes 26 are connected and both ends pass through the cooling ring frame 25, the bottom end of the cooling ring frame 25 is flush with the bottom end of the lower module 9, and the inner diameter of the cooling ring frame 25 is larger than the outer diameter of the lower module 9;

[0034] In the embodiment of the utility model, when performing injection molding of the motor housing, a suitable upper module 4 and lower module 9 are selected, and the upper module 4 is installed under the thread cooperation of the lower connecting bolt 6 and the lower screw hole 5, and the lower module 9 is installed under the thread cooperation of the upper connecting bolt 12 and the upper screw hole 11. At the same time, the lower module 9 is further fixed by passing the mounting bolt 24 through the long hole 23 and the through screw hole 22. Finally, the cooling ring frame 25 is installed at the bottom end of the top plate 8, and an external cooling device is connected through the cooling ring pipe 26. The lower cylinder 2 is started to push the upper mold plate 3 upward. When the lower cylinder 2 drives the upper module 4 to move, the guide rod 20 is used to assist in its vertical movement positioning, so that the upper module 4 moves upward into the lower die block 9, forms a molding cavity with the side strip 10, is closed by the upper die plate 3, and uses the injection tube 13 to connect the external equipment to inject the injection liquid into the molding cavity to perform injection molding. The cooling equipment is connected to the cooling ring tube 26 to cool down the internal space of the cooling ring frame 25 to assist the injection molding. After completion, the exhaust pipe 14 is opened to exhaust. After the exhaust is completed, the lower cylinder 2 is started to separate the upper die plate 3 from the lower die block 9 slightly. At this time, the upper cylinder 17 is started to drive the striking ball 18 to move downward and continuously strike the top plate 8, so that the molded injection molded part is separated from the lower die block 9 and falls on the upper die plate 3. As the lower cylinder 2 continues to operate, the molded injection molded part completely leaves the lower die block 9 to achieve separation.

[0035] In the embodiment of the utility model, by providing a through hole 19 and a guide rod 20, the guide rod 20 is used to assist in positioning the upper module 4 for vertical movement; by providing a connecting plate 21, a through screw hole 22, a long hole 23 and a mounting bolt 24, the mounting bolt 24 is used to pass through the long hole 23 and the through screw hole 22 to connect, so as to further keep the lower module 9 fixed; by providing a cooling ring frame 25 and a cooling ring pipe 26, an external cooling device is connected through the cooling ring pipe 26, and the internal space of the cooling ring frame 25 is cooled to assist injection molding.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A batch motor housing molding device, comprising a mounting frame (1), characterized in that: A lower cylinder (2) is arranged below the mounting frame (1); a piston rod inside the lower cylinder (2) movably penetrates the top of the mounting frame (1) and is threadedly connected to an upper mold plate (3); an upper module (4) is installed on the top of the upper mold plate (3); a vertical rod (7) is symmetrically arranged on the top of the mounting frame (1); a top plate (8) is fixed on the top of the vertical rod (7); a lower module (9) is installed at the center of the bottom end of the top plate (8); side strips (10) are evenly fixed on the circumference of the inner wall of the lower module (9); an injection pipe (13) with a valve and an exhaust pipe (14) with a valve are connected to the top of the lower module (9); a through groove (15) is provided on the top plate (8); a demoulding frame (16) is installed on the top of the top plate (8); an upper cylinder (17) is installed at the center of the top of the demoulding frame (16); a piston rod inside the upper cylinder (17) movably penetrates the demoulding frame (16) and is connected to a striking ball (18).

2. The mass production motor housing forming equipment according to claim 1, characterized in that: There are two groups of lower cylinders (2) which are symmetrically arranged on both sides of the center of the bottom end of the mounting frame (1); the piston rods inside the lower cylinders (2) are connected to the edge of the upper mold plate (3).

3. The mass production motor housing forming equipment according to claim 2, characterized in that: The upper mold plate (3) and the upper module (4) are both provided with lower screw holes (5); the lower screw holes (5) on the upper mold plate (3) are arranged to pass through the upper mold plate (3); the lower screw holes (5) on the upper module (4) are not arranged to pass through the upper module (4); and the lower screw holes (5) are internally threadedly connected with lower connecting bolts (6).

4. The mass production motor housing forming equipment according to claim 3, characterized in that: The lower module (9) and the top plate (8) are both provided with upper screw holes (11); the lower screw holes (5) on the top plate (8) are arranged to penetrate the top plate (8); the upper screw holes (11) on the lower module (9) are not arranged to penetrate the lower module (9); and the upper screw holes (11) are internally threadedly connected with upper connecting bolts (12).

5. The mass-produced motor housing molding equipment according to claim 4, characterized in that: The top and bottom ends of the vertical rod (7) are respectively threadedly connected to the top plate (8) and the mounting frame (1); through holes (19) are symmetrically provided on both side edges of the center of the upper mold plate (3); a guide rod (20) is installed at the top of the mounting frame (1); and the guide rod (20) passes through the through hole (19).

6. The mass-produced motor housing molding equipment according to claim 5, characterized in that: A connecting plate (21) is fixed to the top edge of the lower module (9), a through screw hole (22) is provided on the connecting plate (21), a long hole (23) is provided on the top plate (8), and the long hole (23) and the through screw hole (22) are internally threaded with mounting bolts (24).

7. The mass-produced motor housing molding equipment according to claim 6, characterized in that: A cooling ring frame (25) is threadedly mounted on the bottom end of the top plate (8), and cooling ring pipes (26) are evenly arranged on the inner wall of the cooling ring frame (25). The cooling ring pipes (26) are connected and have both ends passing through the cooling ring frame (25).

8. The mass-produced motor housing molding equipment according to claim 7, characterized in that: The bottom end of the cooling ring frame (25) is flush with the bottom end of the lower module (9), and the inner diameter of the cooling ring frame (25) is greater than the outer diameter of the lower module (9).

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