Rotating device of mechanical arm of injection molding machine

Abstract

The utility model relates to the technical field of mechanical arms of injection molding machines, and discloses a rotating device of a mechanical arm of an injection molding machine, which comprises a main body mechanism, a rotating mechanism and a control mechanism, the rotating mechanism is positioned at the bottom end of the main body mechanism, and the control mechanism is positioned at the bottom end of the main body mechanism; the main body mechanism comprises a top plate, the top end of the top plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a sliding rod, and the bottom end of the sliding rod is fixedly connected with a connecting plate. By arranging the control disc, specifically, engine oil is put into the oil barrel through the oil inlet pipe on the oil barrel, the first motor is started and drives the rotating disc and the rubber plate to rotate, and after the rotating disc rotates by a certain angle, the through holes in the rotating disc correspond to the through holes in the control disc; in this way, engine oil can flow to the driving gear and the driven gear through the through holes for lubrication and maintenance, the flow of the engine oil can be controlled by controlling gaps between the through holes, and the convenience of engine oil flow control is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms of injection molding machines, in particular to a rotating device of the mechanical arms of injection molding machines. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.

[0003] According to the publication number CN213564163U, a rotating device for an injection molding machine robot arm and an injection molding machine are provided, which include a base plate, a circular rotating groove is provided in the middle of the base plate, a barrel is rotatably connected to the rotating groove through a first bearing, the outer wall of the barrel is fixedly connected to a gear ring, the upper side of the base plate is fixedly connected to a first motor, the first motor main shaft is fixedly connected to a first gear, the first gear is meshed with the gear ring, the outer wall of the barrel is fixedly connected to an oil barrel, the inner wall of the oil barrel is fixedly connected to an oil pump, an oil outlet hole is provided on one side of the oil barrel, an oil outlet pipe is fixedly connected to the oil outlet hole, one end of the oil outlet pipe extends into the oil barrel through the oil outlet hole, and the other end of the oil outlet pipe passes through the barrel and extends into the barrel. The first motor is started, and the gear ring is driven to rotate through the first gear, so that the barrel rotates in the rotating groove. The oil barrel provided on the barrel is used to make the oil flow from the oil outlet pipe into the barrel under the action of the oil pump, thereby evenly maintaining and lubricating the mechanical transmission parts in the barrel. At the same time, it also avoids the contamination of the mechanical transmission parts by external dust falling into the barrel when the internal mechanical transmission parts are maintained after the barrel is manually disassembled.

[0004] The structure of the oil pump and the oil outlet pipe can realize automatic maintenance and lubrication of the mechanical transmission parts. However, when the oil pump pumps out the engine oil, the oil output cannot be controlled, which may easily cause excessive oil to be pumped out, thereby causing a waste of resources. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a rotating device for a mechanical arm of an injection molding machine.

[0006] The utility model is implemented by the following technical scheme: a rotating device of an injection molding machine mechanical arm, comprising a main body mechanism, a rotating mechanism and a control mechanism, wherein the rotating mechanism is located at the bottom end of the main body mechanism, and the control mechanism is located at the bottom end of the main body mechanism;

[0007] The main body mechanism includes a top plate, the top of the top plate is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a sliding rod, the bottom end of the sliding rod is fixedly connected to a connecting plate, the top of the connecting plate is fixedly connected to an oil drum, the inner wall of the oil drum is fixedly connected to a supporting plate, the top of the supporting plate is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a rotating disk, the top of the rotating disk is fixedly connected to a rubber plate, and the inner wall of the oil drum is fixedly connected to a control disk.

[0008] Through the above technical solution, the first motor is started, and the rotating disk and the rubber plate are driven to rotate by the first motor. When the rotating disk rotates a certain angle, the engine oil can flow through the through holes to the driving gear and the driven gear for lubrication and maintenance. The flow rate of the engine oil can be controlled by controlling the gaps between the through holes, thereby improving the convenience of controlling the engine oil flow rate.

[0009] As a further improvement of the above solution, the connecting plate is located below the top plate, and the control plate is located above the rotating plate and the rubber plate.

[0010] As a further improvement of the above solution, an oil inlet pipe is arranged on the front of the oil barrel, through holes are opened in the middle of the rotating disk, the rubber plate and the control disk, and the rubber plate is made of silicone.

[0011] As a further improvement of the above scheme, the rotating mechanism includes a second motor, which is fixedly connected to the bottom end of the connecting plate, the output end of the second motor is fixedly connected to the first rotating shaft, the surface of the first rotating shaft is fixedly connected to a driving gear, the surface of the driving gear is meshed with a driven gear, the inner wall of the driven gear is fixedly connected to the second rotating shaft, the bottom end of the second rotating shaft is fixedly connected to a rotating plate, the top of the rotating plate is provided with an annular groove, the middle part of the annular groove is slidably connected to a connecting rod, and the bottom end of the rotating plate is fixedly connected to a mechanical arm.

[0012] Through the above technical solution, the second motor is started, the first rotating shaft and the driving gear are driven to rotate by the second motor, the driven gear drives the rotating plate and the mechanical arm to rotate, and the connecting rod slides in the annular groove, thereby ensuring the stability of the mechanical arm during rotation.

[0013] As a further improvement of the above solution, the driving gear and the driven gear are located inside the oil barrel, and the connecting rod is fixedly connected below the connecting plate.

[0014] As a further improvement of the above scheme, the control mechanism includes a support rod, which is fixedly connected to the bottom end of the top plate, the bottom end of the support rod is fixedly connected to a support base, the top of the support base is fixedly connected to a mounting base, a sliding groove is provided on the top of the mounting base, a third motor is fixedly connected to the front side of the mounting base, the output end of the third motor is fixedly connected to a threaded rod, and a movable plate is threadedly connected to the surface of the threaded rod.

[0015] As a further improvement of the above solution, the number of the support rods is set to four, and the four support rods are distributed at the four corners of the top plate. The threaded rod is located in the middle of the sliding groove, and a sliding block is provided between the threaded rod and the movable plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides a control disk, specifically, puts the engine oil into the oil barrel through the oil inlet pipe on the oil barrel, starts the first motor, and drives the rotating disk and the rubber plate to rotate. When the rotating disk rotates a certain angle, the through holes on the rotating disk and the control disk correspond, and the engine oil can flow through the through holes to the driving gear and the driven gear for lubrication and maintenance. The flow rate of the engine oil can be controlled by controlling the gap between the through holes, thereby improving the convenience of controlling the engine oil flow rate.

[0018] The utility model sets a connecting rod and specifically starts the second motor, and drives the first rotating shaft and the driving gear to rotate through the second motor. Since the driving gear and the driven gear are meshed, the driven gear drives the rotating plate and the mechanical arm to rotate, and at the same time the connecting rod slides in the annular groove, thereby ensuring the stability of the mechanical arm when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the top plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of an oil drum of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the rotating plate and the connecting rod of the utility model.

[0023] Description of main symbols:

[0024] 1. Main body; 101. Top plate; 102. Cylinder; 103. Slide rod; 104. Connecting plate; 105. Oil drum; 106. Support plate; 107. First motor; 108. Rotating plate; 109. Rubber plate; 110. Control plate; 2. Rotating mechanism; 201. Second motor; 202. First rotating shaft; 203. Driving gear; 204. Driven gear; 205. Second rotating shaft; 206. Rotating plate; 207. Annular groove; 208. Connecting rod; 209. Robot arm; 3. Control mechanism; 301. Support rod; 302. Support base; 303. Mounting base; 304. Sliding groove; 305. Third motor; 306. Threaded rod; 307. Moving plate. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] Example:

[0027] Please combine Figure 1-4 , a rotating device of an injection molding machine robot arm of this embodiment includes a main mechanism 1, a rotating mechanism 2 and a control mechanism 3, the rotating mechanism 2 is located at the bottom end of the main mechanism 1, and the control mechanism 3 is located at the bottom end of the main mechanism 1;

[0028] The main mechanism 1 includes a top plate 101, the top of the top plate 101 is fixedly connected to a cylinder 102, the output end of the cylinder 102 is fixedly connected to a slide bar 103, the bottom end of the slide bar 103 is fixedly connected to a connecting plate 104, the top of the connecting plate 104 is fixedly connected to an oil barrel 105, the inner wall of the oil barrel 105 is fixedly connected to a support plate 106, the top of the support plate 106 is fixedly connected to a first motor 107, the output end of the first motor 107 is fixedly connected to a rotating disk 108, the top of the rotating disk 108 is fixedly connected to a rubber plate 109, and the inner wall of the oil barrel 105 is fixedly connected to a control disk 110.

[0029] The connecting plate 104 is located below the top plate 101 , and the control plate 110 is located above the rotating plate 108 and the rubber plate 109 .

[0030] An oil inlet pipe is arranged on the front of the oil barrel 105, and through holes are opened in the middle of the rotating disk 108, the rubber plate 109 and the control disk 110, and the rubber plate 109 is made of silicone.

[0031] The rotating mechanism 2 includes a second motor 201, which is fixedly connected to the bottom end of the connecting plate 104, and the output end of the second motor 201 is fixedly connected to the first rotating shaft 202, and the surface of the first rotating shaft 202 is fixedly connected to the driving gear 203, and the surface of the driving gear 203 is meshed with the driven gear 204, and the inner wall of the driven gear 204 is fixedly connected to the second rotating shaft 205, and the bottom end of the second rotating shaft 205 is fixedly connected to the rotating plate 206, and the top of the rotating plate 206 is provided with an annular groove 207, and the middle part of the annular groove 207 is slidably connected with a connecting rod 208, and the bottom end of the rotating plate 206 is fixedly connected to a mechanical arm 209.

[0032] The driving gear 203 and the driven gear 204 are located inside the oil barrel 105 , and the connecting rod 208 is fixedly connected below the connecting plate 104 .

[0033] The control mechanism 3 includes a support rod 301, which is fixedly connected to the bottom end of the top plate 101, and the bottom end of the support rod 301 is fixedly connected to a support base 302, and the top of the support base 302 is fixedly connected to a mounting base 303, and a sliding groove 304 is provided on the top of the mounting base 303, and a third motor 305 is fixedly connected to the front of the mounting base 303, and a threaded rod 306 is fixedly connected to the output end of the third motor 305, and a movable plate 307 is threadedly connected to the surface of the threaded rod 306.

[0034] There are four support rods 301 , which are distributed at four corners of the top plate 101 . The threaded rod 306 is located in the middle of the sliding groove 304 , and a sliding block is provided between the threaded rod 306 and the moving plate 307 .

[0035] The implementation principle of a rotating device for an injection molding machine robot arm in the embodiment of the present application is:

[0036] The mold is placed on the moving plate 307, and the cylinder 102 is started. The sliding rod 103 and the connecting plate 104 are driven downward by the cylinder 102. At the same time, the second motor 201 is started. The first rotating shaft 202 and the driving gear 203 are driven to rotate by the second motor 201. Since the driving gear 203 and the driven gear 204 are meshed, the driven gear 204 drives the rotating plate 206 and the mechanical arm 209 to rotate. At the same time, the connecting rod 208 slides in the annular groove 207, thereby ensuring the stability of the mechanical arm 209 when rotating. The third motor 305 is started. The threaded rod 306 is driven to rotate, and the moving plate 307 drives the mold to slide on the mounting base plate 303, so as to facilitate the mechanical arm 209 to grasp. When the mechanical components need to be lubricated and maintained, the first motor 107 is started, and the rotating disk 108 and the rubber plate 109 are driven to rotate by the first motor 107. When the rotating disk 108 rotates a certain angle, the through holes on the rotating disk 108 and the control disk 110 correspond to each other, and the engine oil can flow through the through holes to the driving gear 203 and the driven gear 204 for lubrication and maintenance. The flow rate of the engine oil can be controlled by controlling the gap between the through holes.

[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A rotating device for an injection molding machine robot arm, characterized in that: It comprises a main body mechanism (1), a rotating mechanism (2) and a control mechanism (3), wherein the rotating mechanism (2) is located at the bottom end of the main body mechanism (1), and the control mechanism (3) is located at the bottom end of the main body mechanism (1); The main body mechanism (1) comprises a top plate (101), the top end of the top plate (101) is fixedly connected to a cylinder (102), the output end of the cylinder (102) is fixedly connected to a sliding rod (103), the bottom end of the sliding rod (103) is fixedly connected to a connecting plate (104), the top end of the connecting plate (104) is fixedly connected to an oil barrel (105), the inner wall of the oil barrel (105) is fixedly connected to a supporting plate (106), the top end of the supporting plate (106) is fixedly connected to a first motor (107), the output end of the first motor (107) is fixedly connected to a rotating disk (108), the top end of the rotating disk (108) is fixedly connected to a rubber plate (109), and the inner wall of the oil barrel (105) is fixedly connected to a control disk (110).

2. The rotating device of the robot arm of an injection molding machine according to claim 1, characterized in that: The connecting plate (104) is located below the top plate (101), and the control plate (110) is located above the rotating plate (108) and the rubber plate (109).

3. The rotating device of the robot arm of an injection molding machine according to claim 1, characterized in that: The front of the oil barrel (105) is provided with an oil inlet pipe, and the middle parts of the rotating disk (108), the rubber plate (109) and the control disk (110) are provided with through holes, and the rubber plate (109) is made of silica gel.

4. The rotating device of the robot arm of an injection molding machine according to claim 1, characterized in that: The rotating mechanism (2) comprises a second motor (201), the second motor (201) is fixedly connected to the bottom end of the connecting plate (104), the output end of the second motor (201) is fixedly connected to a first rotating shaft (202), the surface of the first rotating shaft (202) is fixedly connected to a driving gear (203), the surface of the driving gear (203) is meshed with a driven gear (204), the inner wall of the driven gear (204) is fixedly connected to a second rotating shaft (205), the bottom end of the second rotating shaft (205) is fixedly connected to a rotating plate (206), the top of the rotating plate (206) is provided with an annular groove (207), the middle part of the annular groove (207) is slidably connected to a connecting rod (208), and the bottom end of the rotating plate (206) is fixedly connected to a mechanical arm (209).

5. A rotating device for an injection molding machine robot arm as claimed in claim 4, characterized in that: The driving gear (203) and the driven gear (204) are located inside the oil barrel (105), and the connecting rod (208) is fixedly connected below the connecting plate (104).

6. The rotating device of the robot arm of an injection molding machine according to claim 1, characterized in that: The control mechanism (3) comprises a support rod (301), wherein the support rod (301) is fixedly connected to the bottom end of the top plate (101), the bottom end of the support rod (301) is fixedly connected to a support base (302), the top end of the support base (302) is fixedly connected to a mounting base plate (303), a sliding groove (304) is provided on the top of the mounting base plate (303), a third motor (305) is fixedly connected to the front side of the mounting base plate (303), an output end of the third motor (305) is fixedly connected to a threaded rod (306), and a movable plate (307) is threadedly connected to the surface of the threaded rod (306).

7. A rotating device for an injection molding machine robot arm as claimed in claim 6, characterized in that: The number of the support rods (301) is four, and the four support rods (301) are distributed at the four corners of the top plate (101). The threaded rod (306) is located in the middle of the sliding groove (304), and a sliding block is provided between the threaded rod (306) and the movable plate (307).

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