Feeding mechanism of double-sided grinding machine

Abstract

The utility model provides a feeding mechanism of a double-face grinding machine. The feeding mechanism comprises a machine frame, a rotating disc driving device, a gear driving device, a fixing disc, a rotating disc, a gear assembly and a carrying disc. The fixed disc is fixed above the rack; a clearance hole is formed in the center of the fixed disc, a processing clearance part is arranged on the rear side, and a blanking hole is formed in the left side; the rotary disc is arranged above the fixed disc; three first mounting parts and second mounting parts positioned on the outer sides of the first mounting parts are circumferentially distributed on the turntable; the first mounting part is positioned above the clearance hole; the three gear assemblies are installed at the positions of the first installation parts correspondingly. The three groups of carrying discs are rotationally connected to the positions of the second mounting parts respectively; outer teeth in transmission connection with the gear assembly are arranged on the periphery of the carrying disc. A plurality of placing holes are formed in the carrying disc; the turntable driving device is mounted on the rack, and a power output end is connected with the turntable; the gear driving device is installed on the machine frame, correspondingly located below the machining clearance part and used for driving the gear assembly at the position to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a feeding mechanism for a double-sided grinder. Background Art

[0002] Currently, the workpiece is manually loaded onto a plate and placed on the grinder for processing. After processing, the plate is removed from the grinder, the ground workpiece is taken out and collected, and then a new ground workpiece is put in. After the replacement is completed, it is put into the grinder again for positioning to prepare for the next round of processing. This method has many manual operation steps, high labor intensity, and low work efficiency, so it needs to be improved. Utility Model Content

[0003] The utility model aims to provide a feeding mechanism for a double-sided grinding machine to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A feeding mechanism of a double-sided grinder comprises a frame, a turntable driving device, a gear driving device, a fixed plate, a turntable, a gear assembly and a carrier plate; the fixed plate is fixed above the frame; a clearance hole is provided in the center of the fixed plate, a processing clearance portion is provided on the rear side, and a blanking hole is provided on the left side; the turntable is arranged above the fixed plate; three first mounting portions and a second mounting portion located outside the first mounting portion are distributed on the circumference of the turntable; the first mounting portion is located above the clearance hole; the gear assembly is arranged in three groups and is respectively mounted at the position of the first mounting portion; the gear assembly comprises a gear mounting seat, a gear, a rotating shaft and an arc block; the gear mounting seat is fixed Below the first mounting portion; the rotating shaft is rotatably connected to the gear mounting seat and the upper end extends above the turntable; the gear is fixed on the upper end of the rotating shaft; the arc block is fixed on the lower end of the rotating shaft; the carrier plate is arranged in three groups and is rotatably connected to the second mounting portion respectively; the outer periphery of the carrier plate is provided with external teeth; the external teeth are meshed with the gears; a plurality of placement holes are provided on the carrier plate; the turntable drive device is installed on the frame and the power output end is connected to the turntable; the gear drive device is installed on the frame and corresponds to below the processing avoidance portion; the power output end of the gear drive device is connected with a drive block; the drive block is provided with an arc groove that cooperates with the arc block.

[0006] Further description of the utility model, the gear assembly also includes a stop assembly; the stop assembly includes a pressure arm and a tension spring; the middle part of the pressure arm is rotatably connected to one side of the bottom of the gear mounting seat; one end of the pressure arm is provided with a tension spring mounting block, and the other end is provided with a pressure wheel; one end of the tension spring is installed on the other side of the bottom of the gear mounting seat, and the other end is connected to the tension spring mounting block of the adjacent gear assembly; a positioning block is connected to the rotating shaft; one side of the positioning block has an arc-shaped recess; the arc-shaped recess transitions to the outer circumferential surface of the positioning block in a circular arc; the pressure wheel abuts at the position of the arc-shaped recess.

[0007] Further description of the utility model also includes a material dropping control device; the material dropping control device includes a material dropping conveyor belt assembly; the material dropping conveyor belt assembly is installed on the frame and one end of the material dropping conveyor belt assembly is located below the material dropping hole.

[0008] Further description of the utility model, the blanking control device also includes a blanking ejection device; the blanking ejection device includes a bracket, a cylinder and a pressure plate; the bracket is fixed on one side of the fixed plate; the cylinder is installed on the bracket and the power output end is connected to the pressure plate, which is used to control the up and down movement of the pressure plate; the pressure plate is located above the blanking hole.

[0009] Further description of the utility model, the placement holes are triangular holes and are arranged on the carrier plate in a circular distribution.

[0010] The beneficial effects of the utility model are:

[0011] The right side station of the turntable of this design is the loading station, and the workpiece is loaded from the loading station and placed in the placement hole of the carrier plate on the right. At this time, the workpiece is supported by the fixed plate, and the turntable drive device controls the turntable to rotate counterclockwise to transport the turntable to the rear position, which is a processing station. The processing station has a grinder, and at this time the workpiece is supported by the lower grinding plate of the grinder and is ground by the grinder. During processing, the station is provided with a gear drive device, which drives the gear of the station to rotate, and the gear drives the carrier plate to rotate, and cooperates with the grinder to grind the workpiece. After the processing is completed, the turntable drive device controls the turntable to rotate to the left position, and the workpiece is unloaded from the blanking position to complete a round of processing. This method can greatly improve the loading and unloading efficiency of the workpiece, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the overall structure diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 yes Figure 2 Cross-sectional view of the middle DD;

[0015] Figure 4 It is a structural diagram of the fixed disk of the utility model;

[0016] Figure 5 This is a structural diagram of the connection between the gear assembly and the drive block of the utility model;

[0017] Figure 6 It is a bottom view of the local structure of the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] like Figure 1-6As shown, a feeding mechanism of a double-sided grinding machine includes a frame 1, a turntable driving device 2, a gear driving device 3, a fixed plate 4, a turntable 5, a gear assembly 6 and a carrier plate 7; the fixed plate 4 is fixed above the frame 1; the fixed plate 4 is provided with an air avoidance hole 41 in the center, a processing air avoidance portion 42 is provided on the rear side, and a material drop hole 43 is provided on the left side; the turntable 5 is arranged above the fixed plate 4; three first mounting portions 51 and a second mounting portion 52 located outside the first mounting portion 51 are distributed on the circumference of the turntable 5; the first mounting portion 51 is located above the air avoidance hole 41; the gear assembly 6 is provided with three groups and is respectively mounted on the first mounting portion The gear assembly 6 comprises a gear mounting seat 61, a gear 62, a rotating shaft 63 and an arc block 64; the gear mounting seat 61 is fixed below the first mounting portion 51; the rotating shaft 63 is rotatably connected to the gear mounting seat 61 and the upper end thereof extends above the turntable 5; the gear 62 is fixed to the upper end of the rotating shaft 63; the arc block 64 is fixed to the lower end of the rotating shaft 63; the carrier 7 is provided with three groups and is rotatably connected to the second mounting portion 52 respectively; the outer periphery of the carrier 7 is provided with external teeth 71; the external teeth 71 mesh with the gear 62; the carrier 7 is provided with a plurality of placement holes 72; the turntable driving device The gear drive device 2 is installed on the frame 1 and the power output end is connected to the turntable 5; the gear drive device 3 is installed on the frame 1 and corresponds to the bottom of the processing avoidance portion 42; the power output end of the gear drive device 3 is connected to the drive block 31; the drive block 31 is provided with an arc groove 311 that cooperates with the arc block 64; the right side station of the turntable 5 of this design is the loading station, and the workpiece is loaded from the loading station, and the workpiece is placed in the placement hole 72 of the carrier plate on the right. At this time, the workpiece is supported by the fixed plate 4, and the turntable drive device 2 controls the turntable 5 to rotate counterclockwise to transport the turntable 5 to the rear position, which is the processing station. The processing station has a grinder. At this time, the workpiece is supported by the lower grinding disc of the grinder. At the processing station, the arc block 64 enters the arc groove 311 of the driving block 31, and the gear driving device 3 controls the driving block 31 to rotate, thereby driving the rotating shaft 63 to rotate through the arc block 64, and the rotating shaft 63 drives the gear 62 to rotate, and the gear 62 drives the carrier plate 7 meshing therewith to rotate, and cooperates with the grinder to grind the workpiece. After the processing is completed, the turntable driving device 2 controls the turntable 5 to rotate to the left position, and the workpiece is unloaded from the blanking position to complete a round of processing. This method can greatly improve the loading and unloading efficiency of the workpiece, thereby improving production efficiency.

[0020] The gear assembly 6 also includes a stop assembly 65; the stop assembly 65 includes a pressure arm 651 and a tension spring 652; the middle part of the pressure arm 651 is rotatably connected to one side of the bottom of the gear mounting seat 61; one end of the pressure arm 651 is provided with a tension spring mounting block 6511, and the other end is provided with a pressure wheel 6512; one end of the tension spring 652 is installed on the other side of the bottom of the gear mounting seat 61, and the other end is connected to the tension spring mounting block 6511 of the adjacent gear assembly 6; a positioning block 66 is connected to the rotating shaft 63; one side of the positioning block 66 has an arc-shaped recess 661; the arc-shaped recess 661 and the outer peripheral surface of the positioning block 66 have an arc transition; the pressure wheel 6512 abuts at the position of the arc-shaped recess 661, and the setting of the stop assembly 65 has a pre-pressure function on the rotating shaft 63, preventing the rotating shaft 63 from rotating due to inertia during the rotation of the turntable 5, avoiding the inability to normally dock with the arc groove 311 due to the wrong position of the arc block 64, and improving the stability of the equipment operation.

[0021] It also includes a material dropping control device 8; the material dropping control device 8 includes a material dropping conveyor belt assembly 81; the material dropping conveyor belt assembly 81 is installed on the frame 1 and one end of the material dropping conveyor belt assembly 81 is located below the material dropping hole 43, and the workpiece falls from the material dropping hole 43 onto the material dropping conveyor belt assembly 81 and is sent out through the material dropping conveyor belt assembly 81.

[0022] The material dropping control device 8 also includes a material dropping ejection device 82; the material dropping ejection device 82 includes a bracket 821, a cylinder 822 and a pressure plate 823; the bracket 821 is fixed on one side of the fixed plate 4; the cylinder 822 is installed on the bracket 821 and the power output end is connected to the pressure plate 823, which is used to control the up and down movement of the pressure plate 823; the pressure plate 823 is located above the material dropping hole 43, and the cylinder 822 controls the pressure plate 823 to press down on the surface of the carrier plate 7. This arrangement can prevent the product from getting stuck on the placement hole 72 when dropping.

[0023] The placement holes 72 in the present design are triangular holes and are arranged on the carrier 7 in a circular distribution. The workpiece processed by the present design is a triangular part.

[0024] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A feeding mechanism for a double-sided grinding machine, characterized in that: It includes a frame, a turntable drive device, a gear drive device, a fixed plate, a turntable, a gear assembly and a carrier plate; the fixed plate is fixed above the frame; the center of the fixed plate is provided with an air avoidance hole, the rear side is provided with a processing air avoidance part, and the left side is provided with a blanking hole; the turntable is arranged above the fixed plate; three first mounting parts and a second mounting part located outside the first mounting part are distributed on the circumference of the turntable; the first mounting part is located above the air avoidance hole; the gear assembly is arranged in three groups and is respectively installed at the position of the first mounting part; the gear assembly includes a gear mounting seat, a gear, a rotating shaft and an arc block; the gear mounting seat is fixed on the first mounting part Below; the rotating shaft is rotatably connected to the gear mounting seat and the upper end extends above the turntable; the gear is fixed on the upper end of the rotating shaft; the arc block is fixed on the lower end of the rotating shaft; the carrier plate is arranged in three groups and is rotatably connected to the second mounting position respectively; the outer periphery of the carrier plate is provided with external teeth; the external teeth are meshed with the gear; the carrier plate is provided with a plurality of placement holes; the turntable drive device is installed on the frame and the power output end is connected to the turntable; the gear drive device is installed on the frame and corresponds to the bottom of the processing avoidance part; the power output end of the gear drive device is connected with a drive block; the drive block is provided with an arc groove matching the arc block.

2. A double-sided grinding machine feeding mechanism according to claim 1, characterized in that: The gear assembly also includes a stop assembly; the stop assembly includes a pressure arm and a tension spring; the middle part of the pressure arm is rotatably connected to one side of the bottom of the gear mounting seat; one end of the pressure arm is provided with a tension spring mounting block, and the other end is provided with a pressure wheel; one end of the tension spring is installed on the other side of the bottom of the gear mounting seat, and the other end is connected to the tension spring mounting block of the adjacent gear assembly; a positioning block is connected to the rotating shaft; one side of the positioning block has an arc-shaped recess; the arc-shaped recess transitions to the outer circumferential surface of the positioning block in a circular arc; the pressure wheel abuts at the position of the arc-shaped recess.

3. A double-sided grinding machine feeding mechanism according to claim 1, characterized in that: It also includes a material dropping control device; the material dropping control device includes a material dropping conveyor belt assembly; the material dropping conveyor belt assembly is installed on the frame and one end of the material dropping conveyor belt assembly is located below the material dropping hole.

4. A double-sided grinding machine feeding mechanism according to claim 3, characterized in that: The material dropping control device also includes a material dropping ejection device; the material dropping ejection device includes a bracket, a cylinder and a pressure plate; the bracket is fixed on one side of the fixed plate; the cylinder is installed on the bracket and the power output end is connected to the pressure plate for controlling the up and down movement of the pressure plate; the pressure plate is located above the material dropping hole.

5. The feeding mechanism of a double-sided grinding machine according to claim 1, characterized in that: The placement holes are triangular holes and are arranged on the carrier in a circumferential distribution.

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