Injection molding machine gearbox convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of injection molding machine accessories, in particular to an injection molding machine gear box convenient to disassemble and assemble, which comprises an L-shaped mounting plate, a gear box body and a sealing top cover, the sealing top cover is clamped at the top of the gear box body, and a guide plate is mounted at the corner of the end part of the sealing top cover through a screw. A strip-shaped sliding hole is formed in the guide plate, locking screws are installed on the two sides of the end of the gear box body through screw holes and penetrate through the strip-shaped sliding hole, a locking nut is arranged at the position, located on the outer side of the strip-shaped sliding hole, of one end of each locking screw in a sleeving mode, and the strip-shaped sliding hole is in a semi-opening shape. One end of the gear box body is sleeved with a driving shaft through a bearing B. A driving bevel gear is arranged at the position, located in the gear box body, of one end of the driving shaft in a sleeved mode. The gear box of the injection molding machine is convenient to disassemble and assemble, realizes a semi-open state of the sealing top cover, is convenient to overhaul, reduces a mechanical gap, greatly improves the stability of a gear set and reduces shaking.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine accessories, and particularly relates to an injection molding machine gear box which is convenient for disassembly and assembly. Background Technique

[0002] The injection molding machine gear box mainly consists of a gear box body, an input shaft, an output shaft, and cooperating components such as bearings and oil seals. Inside the gear box body, multiple gear pairs are installed, and the rotation speed and torque of the input shaft are converted into the required output state through a certain transmission ratio. By utilizing the meshing action between gears, the kinetic energy of the power source is transmitted to other components of the mechanical equipment. When the power output by the motor is decelerated and torque-increased by the gear box, the screw can be driven to melt and inject plastics.

[0003] The existing injection molding machine gear box is not convenient for disassembly and installation, cannot achieve the semi-open state of the sealed top cover for maintenance, cannot reduce mechanical clearances, the stability of the gear set is poor, and it is easy to shake. Content of the Utility Model

[0004] Aiming at the problems in the prior art, the utility model provides an injection molding machine gear box which is convenient for disassembly and assembly. The injection molding machine gear box is convenient for disassembly and installation, realizes the semi-open state of the sealed top cover, is convenient for maintenance, reduces mechanical clearances, greatly improves the stability of the gear set, and reduces shaking.

[0005] The technical solution adopted by the utility model to solve its technical problems is an injection molding machine gear box which is convenient for disassembly and assembly, including an L-shaped mounting plate, a gear box body and a sealed top cover. The sealed top cover is snap-fitted on the top of the gear box body. Guide plates are installed at the end corners of the sealed top cover through screws. Strip-shaped sliding holes are formed in the guide plates. Locking screws are installed on both sides of the end of the gear box body through screw holes and the locking screws penetrate through the strip-shaped sliding holes. A locking nut is sleeved on one end of the locking screw and located outside the strip-shaped sliding hole. The strip-shaped sliding hole is semi-open.

[0006] One end of the gear box body is sleeved with a driving shaft through bearing B. One end of the driving shaft and located inside the gear box is sleeved with a driving bevel gear. One side of the gear box body is sleeved with a socket shaft through bearing A. One end of the socket shaft and located inside the gear box is sleeved with a driven large bevel gear. One side of the axis center of the driven large bevel gear is sleeved with a driven small bevel gear. The bottom inside the gear box is connected with a rotating shaft through a positioning bearing. A stable bevel gear is sleeved on the upper end of the rotating shaft.

[0007] By adopting the above technical solution, the injection molding machine gear box is convenient for disassembly and installation, realizes the semi-open state of the sealed top cover, is convenient for maintenance, reduces mechanical clearances, greatly improves the stability of the gear set, and reduces shaking.

[0008] Specifically, two sets of stable bevel gears are provided and are respectively meshed with the top and bottom of the driven small bevel gear.

[0009] By adopting the above technical solution, the stable bevel gear sleeved on the rotating shaft is used to reduce the mechanical clearance, greatly improve the stability of the gear set, and reduce the shaking.

[0010] Specifically, the driving bevel gear and the driven large bevel gear are meshed with each other.

[0011] By adopting the above technical solution, since the driving bevel gear and the driven large bevel gear are meshed with each other, the socket shaft and the feeding screw of the injection molding machine are driven to rotate.

[0012] Specifically, one end of the driving shaft is connected with a connecting shaft sleeve, and positioning screw holes are arranged on both sides of the connecting shaft sleeve.

[0013] Specifically, L-shaped mounting plates are installed on both sides of the bottom of the gear box body through screws, and mounting holes are arranged on the L-shaped mounting plates.

[0014] Specifically, an oil outlet screw hole is arranged at one end of the bottom of the gear box body, and a sealing bolt is screwed in the oil outlet screw hole.

[0015] The beneficial effects of the present utility model:

[0016] (1) For the injection molding machine gear box which is convenient for disassembly and assembly of the present utility model, the mounting holes on the L-shaped mounting plate and the matching bolts are used to conveniently install and fix the injection molding machine gear box. The connecting shaft sleeve is used to connect the output shaft of the driving motor. The socket shaft is used to socket one end of the feeding screw of the injection molding machine. The driving motor drives the driving shaft to rotate. Since the driving bevel gear and the driven large bevel gear are meshed with each other, the socket shaft and the feeding screw of the injection molding machine are driven to rotate, which is convenient for feeding.

[0017] (2) For the injection molding machine gear box which is convenient for disassembly and assembly of the present utility model, the stable bevel gear sleeved on the rotating shaft is used to reduce the mechanical clearance, greatly improve the stability of the gear set, and reduce the shaking. Unscrewing the locking nut facilitates the sliding of the locking screw in the strip-shaped sliding hole, so as to remove the sealing top cover, which is convenient for disassembly and installation. And the sealing top cover can be lifted upward and the locking nut can be screwed tightly as needed, so as to realize the semi-open state of the sealing top cover, which is convenient for maintenance and convenient for the sealing top cover to return to its position. Description of the Drawings

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2It is the bottom view of the present utility model;

[0021] Figure 3 It is the schematic diagram of the semi - open structure of the sealing top cover of the present utility model;

[0022] Figure 4 It is the schematic diagram of the gear set structure of the present utility model.

[0023] In the figure: 1, mounting hole; 2, L - shaped mounting plate; 3, socket shaft; 4, gear box body; 5, bearing A; 6, sealing top cover; 7, guide plate; 8, locking nut; 9, locking screw; 10, strip - shaped sliding hole; 11, connecting bushing; 12, driving shaft; 13, bearing B; 14, sealing bolt; 15, oil outlet screw hole; 16, driven large bevel gear; 17, rotating shaft; 18, driving bevel gear; 19, stable bevel gear; 20, positioning bearing; 21, driven small bevel gear. Specific embodiments

[0024] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] For the convenience of disassembly and installation of the gear box of the injection molding machine, to achieve the semi - open state of the sealing top cover 6, which is convenient for maintenance, reduce mechanical clearance, and greatly improve the stability of the gear set and reduce shaking. As Figures 1-4 shown, a gear box of an injection molding machine that is convenient for disassembly and assembly according to the present utility model includes an L - shaped mounting plate 2, a gear box body 4 and a sealing top cover 6. The sealing top cover 6 is snap - fitted on the top of the gear box body 4. Guide plates 7 are installed at the end corners of the sealing top cover 6 by screws. Strip - shaped sliding holes 10 are opened on the guide plates 7. Locking screws 9 are installed on both sides of the end of the gear box body 4 through screw holes and the locking screws 9 penetrate through the strip - shaped sliding holes 10. A locking nut 8 is sleeved on one end of the locking screw 9 and located outside the strip - shaped sliding hole 10. The strip - shaped sliding hole 10 is in a semi - open shape;

[0026] One end of the gear box body 4 is sleeved with a driving shaft 12 through a bearing B13. One end of the driving shaft 12 and located inside the gear box body 4 is sleeved with a driving bevel gear 18. One side of the gear box body 4 is sleeved with a socket shaft 3 through a bearing A5. One end of the socket shaft 3 and located inside the gear box body 4 is sleeved with a driven large bevel gear 16. One side of the axis of the driven large bevel gear 16 is sleeved with a driven small bevel gear 21. The inner bottom of the gear box body 4 is connected with a rotating shaft 17 through a positioning bearing 20. The upper end of the rotating shaft 17 is sleeved with a stable bevel gear 19.

[0027] During use, the injection molding machine gearbox is easy to disassemble and install, achieving a semi-open state of the sealing top cover 6, facilitating maintenance, reducing mechanical clearances, greatly improving the stability of the gear set, and reducing wobbling.

[0028] Exemplarily, as Figure 3 、 4 shown, the present utility model further includes that the stable bevel gear 19 is specifically provided with two groups and meshes with the top and bottom of the driven small bevel gear 21 respectively.

[0029] During use, by means of the stable bevel gear 19 sleeved on the rotating shaft 17, mechanical clearances are reduced, the stability of the gear set is greatly improved, and wobbling is reduced.

[0030] Exemplarily, as Figure 3 、 4 shown, the present utility model further includes that the driving bevel gear 18 and the driven large bevel gear 16 mesh with each other.

[0031] During use, since the driving bevel gear 18 and the driven large bevel gear 16 mesh with each other, the socket shaft 3 and the injection molding machine feeding screw are driven to rotate.

[0032] Exemplarily, as Figure 1 shown, the present utility model further includes that one end of the driving shaft 12 is connected with a connecting shaft sleeve 11 and positioning screw holes are provided on both sides of the connecting shaft sleeve 11.

[0033] During use, the connecting shaft sleeve 11 facilitates connecting the output shaft of the driving motor, and the positioning screw holes facilitate fixing with bolts.

[0034] Exemplarily, as Figure 1 shown, the present utility model further includes that L-shaped mounting plates 2 are installed at both sides of the bottom of the gear box body 4 by screws and mounting holes 1 are provided on the L-shaped mounting plates 2.

[0035] During use, the mounting holes 1 on the L-shaped mounting plates 2 and the matching bolts facilitate installing and fixing the injection molding machine gearbox.

[0036] Exemplarily, as Figure 2 shown, the present utility model further includes that an oil outlet screw hole 15 is provided at one end of the bottom of the gear box body 4 and a sealing bolt 14 is screwed in the oil outlet screw hole 15.

[0037] During use, unscrewing the sealing bolt 14 in the oil outlet screw hole 15 facilitates oil draining.

[0038] When in use, the installation holes 1 on the L-shaped mounting plate 2 and the matching bolts are used to facilitate the installation and fixation of the injection molding machine gearbox. The connecting shaft sleeve 11 is used to facilitate the connection of the output shaft of the driving motor, and the socket shaft 3 is used to socket one end of the injection molding machine feeding screw.

[0039] The driving motor drives the driving shaft 12 to rotate. Since the driving bevel gear 18 and the driven large bevel gear 16 are meshed with each other, the socket shaft 3 and the injection molding machine feeding screw are driven to rotate, facilitating feeding. The stable bevel gear 19 sleeved on the rotating shaft 17 is used to reduce the mechanical clearance, greatly improving the stability of the gear set and reducing the shaking.

[0040] Loosening the locking nut 8 facilitates the sliding of the locking screw 9 in the strip-shaped sliding hole 10, so as to remove the sealing top cover 6, which is convenient for disassembly and installation. And the sealing top cover 6 can be lifted upward and the locking nut 8 can be tightened as needed, so as to achieve the semi-open state of the sealing top cover 6, which is convenient for maintenance and convenient for the sealing top cover 6 to return to its position.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding machine gearbox that is easy to disassemble and assemble, characterized in that: It comprises an L-shaped mounting plate (2), a gear housing (4) and a sealing top cover (6), wherein the top of the gear housing (4) is clamped with a sealing top cover (6), a guide plate (7) is installed at the corner of the end of the sealing top cover (6) by means of screws, a strip-shaped sliding hole (10) is provided on the guide plate (7), locking screws (9) are installed at both sides of the end of the gear housing (4) through screw holes, and the locking screws (9) pass through the strip-shaped sliding hole (10), a locking nut (8) is sleeved on one end of the locking screw (9) and located outside the strip-shaped sliding hole (10), and the strip-shaped sliding hole (10) is in a semi-open shape; One end of the gear box (4) is sleeved with a driving shaft (12) via a bearing B (13); one end of the driving shaft (12) is sleeved with a driving bevel gear (18) located in the gear box (4); one side of the gear box (4) is sleeved with a sleeve shaft (3) via a bearing A (5); one end of the sleeve shaft (3) is sleeved with a driven large bevel gear (16) located in the gear box (4); a driven small bevel gear (21) is sleeved at the axis of one side of the driven large bevel gear (16); the bottom of the gear box (4) is connected to a rotating shaft (17) via a positioning bearing (20); the upper end of the rotating shaft (17) is sleeved with a stabilizing bevel gear (19).

2. The gearbox for an injection molding machine that is easy to disassemble and assemble according to claim 1, characterized in that: The stable bevel gears (19) are specifically provided in two groups and are respectively meshed with the top and bottom of the driven small bevel gear (21).

3. The gear box for an injection molding machine that is easy to disassemble and assemble according to claim 1, characterized in that: The active bevel gear (18) and the driven large bevel gear (16) are meshed with each other.

4. The gearbox for an injection molding machine that is easy to disassemble and assemble according to claim 1, characterized in that: One end of the driving shaft (12) is connected to a connecting sleeve (11), and positioning screw holes are provided on both sides of the connecting sleeve (11).

5. The gear box for injection molding machine that is easy to disassemble and assemble according to claim 1, characterized in that: L-shaped mounting plates (2) are mounted on both sides of the bottom of the gear box body (4) by means of screws, and mounting holes (1) are provided on the L-shaped mounting plates (2).

6. The gear box for injection molding machine that is easy to disassemble and assemble according to claim 1, characterized in that: An oil outlet screw hole (15) is provided at one end of the bottom of the gear box body (4), and a sealing bolt (14) is screwed into the oil outlet screw hole (15).

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