Single-shaft displacement polishing and grinding machine

Abstract

The utility model provides a single-shaft displacement polishing and grinding machine. The single-shaft displacement polishing and grinding machine comprises a machine base, a grinding mechanism and a positioning disc. The grinding mechanism is installed in the middle of the machine base. Positioning grooves are formed in the bottom of the positioning disc; a connecting block is fixed to the center of the upper portion of the positioning disc. A ball sinking groove is formed in the connecting block; the device further comprises a positioning disc swing driving mechanism. The positioning disc swing driving mechanism comprises a rotary pressing device and a swing control device; the rotary pressing device comprises a shaft seat, a rotating shaft, a mounting frame, an air cylinder, a connecting rod assembly and a pressing rod; the shaft seat is fixed on the base; the rotating shaft is rotationally connected to the shaft seat; the mounting frame is fixed above the rotating shaft; one end of the connecting rod assembly is rotationally connected to the mounting frame, and the other end is connected with the pressing rod; a ball head matched with the ball head sinking groove is arranged at the bottom of the pressing rod; the air cylinder is obliquely mounted on the mounting frame; a power output end is movably connected with the connecting rod assembly; the swing control device is used for controlling the rotary pressing device to swing around the rotary shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a single-axis shift polishing grinding machine. Background Art

[0002] The polishing grinder is used to perform polishing and grinding on the bottom surface of the product, and the current carrier is usually fixed in one position. By setting a positioning guide wheel around the grinding disc, the position of the carrier is controlled so that the carrier can rotate at a fixed position as the product is being polished, or the carrier is installed on a mounting head, and the mounting head is used to control the carrier to descend above the grinding disc, and then the grinding disc is controlled to rotate to polish the product. However, grinding at a fixed position has the disadvantages of low grinding efficiency and insufficient grinding flatness. Utility Model Content

[0003] The utility model aims to provide a single-axis shift polishing and 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 single-axis shift polishing and grinding machine comprises a machine base, a grinding mechanism, a grinding disc dressing mechanism and a positioning disc; the grinding mechanism is installed in the middle position of the machine base; the grinding disc dressing mechanism is installed on the machine base and is located on one side of the grinding mechanism, and the bottom of the positioning disc has a positioning groove; a connecting block is fixed at the upper center position of the positioning disc; a ball head sink groove is provided on the connecting block; it also includes a positioning disc swing drive mechanism; the positioning disc swing drive mechanism includes a rotary pressing device and a swing control device; the rotary pressing device includes a shaft seat, a rotating shaft, a mounting frame, a cylinder, a connecting rod assembly and a pressure rod; the shaft seat is fixed on the machine base; a vertical A straightly arranged shaft hole; the rotating shaft is rotatably connected to the shaft hole; the mounting frame is fixed above the rotating shaft; one end of the connecting rod assembly is rotatably connected to the mounting frame, and the other end is connected to the pressure rod; a ball head is provided at the bottom of the pressure rod; the ball head cooperates with the ball head groove; the cylinder is obliquely installed on the mounting frame and the power output end is movably connected to the connecting rod assembly; the swing control device includes a rotation drive device, a turntable and a pull rod; the rotation drive device is installed on the machine base and the power output end is connected to the turntable; the turntable is horizontally arranged; one end of the pull rod is movably connected to a non-center position of the turntable, and the other end is movably connected to one side of the middle part of the connecting rod assembly.

[0006] Further description of the utility model, the connecting rod assembly includes a first rod body, a second rod body and a third rod body connected in sequence; the first rod body, the second rod body and the third rod body are all hollow structures; the front end of the first rod body is rotatably connected to the mounting frame through a first shaft rod, and the rear end is connected to the front end of the second rod body; the side wall of the rear part of the second rod body is provided with a screw hole; the front end of the third rod body extends from the rear end of the second rod body, and is installed in the screw hole by a screw to press and fix the third rod body; the pressure rod is vertically fixed to the rear end of the third rod body through a pressure rod connecting seat.

[0007] Further description of the utility model: the cylinder is arranged above the first rod body; a cylinder connecting seat is fixed on the outer side of the first rod body; and the power output end of the cylinder is hinged to the cylinder connecting seat.

[0008] Further describing the present invention, a first pull rod connecting seat is fixed to the outer side of the second rod body; one end of the pull rod is hinged to the first pull rod connecting seat.

[0009] Further description of the utility model: the turntable and the pull rod are connected by an adjustment assembly; a U-shaped opening is provided on one side of the turntable; the adjustment assembly includes a baffle, a handwheel, a screw rod, a second shaft rod and a second pull rod connecting seat; the baffle is fixed on the turntable and is located on one side of the U-shaped opening; the screw rod passes through the baffle and extends into the U-shaped opening; the screw rod is rotatably connected to the baffle; the handwheel is fixed to the outer end of the screw rod; the second shaft rod is vertically arranged and slidably connected in the U-shaped opening; the second shaft rod is threadedly connected to the screw rod; the second pull rod connecting seat is rotatably connected to the upper part of the second shaft rod; the other end of the pull rod is hinged to the second pull rod connecting seat.

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

[0011] This design positions the workpiece on the grinding mechanism through the positioning plate. After the workpiece is installed, the pressing device is rotated to control the pressure rod to descend, and the ball head at the lower end of the pressure rod extends into the ball head groove of the positioning plate, controlling the positioning plate to press the workpiece onto the grinding mechanism. Since the ball head cooperates with the ball head groove, the rotation of the positioning plate will not be affected during operation. During the operation, the swing control device controls the connecting rod assembly to swing back and forth, and the connecting rod assembly drives the positioning plate to swing on the grinding mechanism through the pull rod, thereby improving the flatness of the workpiece polishing and grinding and the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0013] Figure 2 It is a structural diagram of the rotary pressing device of the utility model;

[0014] Figure 3It is a top view of the rotary pressing device of the utility model;

[0015] Figure 4 yes Figure 3 Sectional view of AA in the middle;

[0016] Figure 5 It is a structural diagram of the swing control device of the utility model;

[0017] Figure 6 yes Figure 5 Cross-sectional view of the middle BB;

[0018] Figure 7 This is a half-section structural diagram of the positioning plate. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] like Figure 1-7As shown, a single-axis shift polishing and grinding machine comprises a machine base 1, a grinding mechanism 2, a grinding disc dressing mechanism 3 and a positioning disc 4; the grinding mechanism 2 is installed at the middle position of the machine base 1; the grinding disc dressing mechanism 3 is installed on the machine base 1 and is located on one side of the grinding mechanism 2, and the bottom of the positioning disc 4 has a positioning groove; a connecting block 41 is fixed at the upper center position of the positioning disc 4; a ball head sink groove 411 is provided on the connecting block 41; and a positioning disc swing driving mechanism 5 is also included; the positioning disc swing driving mechanism 5 comprises a rotating pressing device 51 and a swing control device 52; the rotating pressing device 51 The machine comprises an axle seat 511, a rotating shaft 512, a mounting frame 513, a cylinder 514, a connecting rod assembly 515 and a pressure rod 516; the axle seat 511 is fixed on the machine base 1; a vertically arranged axle hole is arranged in the axle seat 511; the rotating shaft 512 is rotatably connected to the axle hole; the mounting frame 513 is fixed above the rotating shaft 512; one end of the connecting rod assembly 515 is rotatably connected to the mounting frame 513, and the other end is connected to the pressure rod 516; a ball head 5161 is arranged at the bottom of the pressure rod 516; the ball head 5161 cooperates with the ball head sink groove 411; the cylinder 514 is obliquely mounted on the mounting frame 513 and the power output end is movably connected to the connecting rod assembly 515; the swing control device 52 includes a rotation drive device 521, a turntable 522 and a pull rod 523; the rotation drive device 521 is installed on the machine base 1 and the power output end is connected to the turntable 522; the turntable 522 is arranged horizontally; one end of the pull rod 523 is movably connected to a non-central position of the turntable 522, and the other end is movably connected to one side of the middle part of the connecting rod assembly 515; the positioning plate 4 positions the workpiece on the grinding mechanism 2. After the workpiece is installed, the bottom surface of the workpiece contacts the grinding disc of the grinding mechanism 2, and the positioning plate 4 does not contact the grinding disc Contact, the rotating pressing device 51 controls the pressing rod 516 to descend, and the ball head 5161 at the lower end of the pressing rod 516 extends into the ball head groove 411 of the positioning plate 4, controlling the positioning plate 4 to press the workpiece onto the grinding mechanism 2. Since the ball head 5161 cooperates with the ball head groove 411, the rotation of the positioning plate 4 will not be affected during operation. During operation, the swing control device 52 controls the connecting rod assembly 515 to swing back and forth around the rotating shaft 512, and the connecting rod assembly 515 drives the positioning plate 4 to swing on the grinding mechanism 2 through the pull rod 523, thereby improving the flatness and processing efficiency of the workpiece polishing.

[0021] The connecting rod assembly 515 includes a first rod body 5151, a second rod body 5152 and a third rod body 5153 which are connected in sequence; the first rod body 5151, the second rod body 5152 and the third rod body 5153 are all hollow structures; the front end of the first rod body 5151 is rotatably connected to the mounting frame 513 through a first shaft rod 5151-1, and the rear end is connected to the front end of the second rod body 5152; the side wall of the rear part of the second rod body 5152 is provided with a screw hole 5152-1, In the present design, two screw holes 5152-1 are provided; the front end of the third rod body 5153 extends into from the rear end of the second rod body 5152, and is installed in the screw hole 5152-1 by means of screws to tighten and fix the third rod body 5153; the pressure rod 516 is vertically fixed to the rear end of the third rod body 5153 by means of a pressure rod connecting seat 517, and the front and rear position of the third rod body 5153 can be adjusted by loosening the screws, thereby adjusting the front and rear position of the pull rod 523, and then locked after the adjustment is completed.

[0022] The cylinder 514 is arranged above the first rod body 5151; a cylinder connecting seat 5151-2 is fixed on the outer side of the first rod body 5151; and a power output end of the cylinder 514 is hinged to the cylinder connecting seat 5151-2.

[0023] A first pull rod connection seat 5252 - 2 is fixed to the outer side of the second rod body 5152 ; one end of the pull rod 523 is hinged to the first pull rod connection seat 5252 - 2 .

[0024] The rotating disk 522 and the pull rod 523 are connected by an adjustment assembly 524; a U-shaped opening 5221 is provided on one side of the rotating disk 522; the adjustment assembly 524 includes a baffle 5241, a hand wheel 5242, a screw rod 5243, a second shaft rod 5244 and a second pull rod connecting seat 5245; the baffle 5241 is fixed on the rotating disk 522 and is located on one side of the U-shaped opening 5221; the screw rod 5243 passes through the baffle 5241 and extends into the U-shaped opening 5221; the screw rod 5243 is rotatably connected to the baffle 5241; the hand wheel 5242 is fixed on the screw rod 5243 The outer end of the second shaft rod 5244 is vertically arranged and slidably connected in the U-shaped opening 5221; the second shaft rod 5244 is threadedly connected to the screw rod 5243; the second pull rod connecting seat 5245 is rotatably connected to the upper part of the second shaft rod 5244; the other end of the pull rod 523 is hinged to the second pull rod connecting seat 5245, and the position of the front end of the pull rod 523 can be adjusted by shaking the hand wheel 5242. The closer the front end of the pull rod 523 is to the axis of the turntable 522, the smaller the swing amplitude is, and the farther it is from the axis of the turntable 522, the larger the change amplitude is. It can be adjusted according to actual needs.

[0025] 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 single-axis shift polishing grinder, comprising a machine base, a grinding mechanism, a grinding disc dressing mechanism and a positioning plate; the grinding mechanism is installed in the middle of the machine base; the grinding disc dressing mechanism is installed on the machine base and located on one side of the grinding mechanism, characterized in that: The bottom of the positioning disk is provided with a positioning groove; a connecting block is fixed at the upper center position of the positioning disk; a ball head sink groove is provided on the connecting block; and a positioning disk swing driving mechanism is also included; the positioning disk swing driving mechanism includes a rotating pressing device and a swing control device; the rotating pressing device includes an axle seat, a rotating shaft, a mounting frame, a cylinder, a connecting rod assembly and a pressure rod; the axle seat is fixed on the machine base; a vertically arranged axle hole is provided in the axle seat; the rotating shaft is rotatably connected to the axle hole; the mounting frame is fixed above the rotating shaft; one end of the connecting rod assembly is rotatably connected to the mounting frame, and the other end is connected to the pressure rod; a ball head is provided at the bottom of the pressure rod; the ball head cooperates with the ball head sink groove; the cylinder is tiltedly installed on the mounting frame and the power output end is movably connected to the connecting rod assembly; the swing control device includes a rotating driving device, a turntable and a pull rod; the rotating driving device is installed on the machine base and the power output end is connected to the turntable; the turntable is horizontally arranged; one end of the pull rod is movably connected to the non-center position of the turntable, and the other end is movably connected to one side of the middle of the connecting rod assembly.

2. The single-axis shift polishing and grinding machine according to claim 1, characterized in that: The connecting rod assembly includes a first rod body, a second rod body and a third rod body connected in sequence; the first rod body, the second rod body and the third rod body are all hollow structures; the front end of the first rod body is rotatably connected to the mounting frame through a first shaft rod, and the rear end is connected to the front end of the second rod body; a screw hole is provided on the side wall of the rear part of the second rod body; the front end of the third rod body extends into the rear end of the second rod body, and is installed in the screw hole by a screw to press and fix the third rod body; the pressure rod is vertically fixed to the rear end of the third rod body through a pressure rod connecting seat.

3. The single-axis shift polishing and grinding machine according to claim 2, characterized in that: The cylinder is arranged above the first rod body; a cylinder connecting seat is fixed on the outer side of the first rod body; and the power output end of the cylinder is hinged to the cylinder connecting seat.

4. The single-axis shift polishing and grinding machine according to claim 2, characterized in that: A first pull rod connecting seat is fixed on the outer side of the second rod body; one end of the pull rod is hinged to the first pull rod connecting seat.

5. The single-axis shift polishing and grinding machine according to claim 1, characterized in that: The turntable and the pull rod are connected by an adjustment assembly; a U-shaped opening is provided on one side of the turntable; the adjustment assembly includes a baffle, a handwheel, a screw rod, a second shaft rod and a second pull rod connecting seat; the baffle is fixed on the turntable and is located on one side of the U-shaped opening; the screw rod passes through the baffle and extends into the U-shaped opening; the screw rod is rotatably connected to the baffle; the handwheel is fixed to the outer end of the screw rod; the second shaft rod is vertically arranged and slidably connected in the U-shaped opening; the second shaft rod is threadedly connected to the screw rod; the second pull rod connecting seat is rotatably connected to the upper part of the second shaft rod; the other end of the pull rod is hinged to the second pull rod connecting seat.

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