Pressing, cutting and grinding assembly

Abstract

The utility model relates to the technical field of grinding assemblies, in particular to a pressing, cutting and grinding assembly. According to the technical scheme, the device comprises a floor, a workpiece plate, a sliding frame and a positioning frame, a back plate is arranged on the upper surface of the floor, a motor is arranged on the back plate in a lifting mode, a pressing plate is installed at the output end of the motor, the positioning frame is movably assembled on the floor, a rotating disc is arranged in the positioning frame in a lifting mode, and the rotating disc can rotate. A sliding frame is arranged on the floor in a sliding mode, a grinding block is installed at the upper end of the sliding frame, and the workpiece plate is placed on the positioning frame. In the process of polishing the circular workpiece through cooperation of the structures, the circle center position of the workpiece is accurately positioned, the eccentric phenomenon during polishing is avoided, the roundness of the polished finished product of the circular workpiece is improved, and the rejection rate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding components, in particular to a pressing and grinding component. Background Art

[0002] During the production of electronic equipment, many circular plates are punched and formed by punching and pressing.

[0003] During the punching process, the edge of the circular plate will have sharp burrs due to the pressure, which need to be polished and removed;

[0004] However, in the process of grinding circular workpieces, the existing grinding structure may have an inaccurate center positioning state, resulting in eccentricity during grinding, making the roundness of the finished circular workpiece insufficient and causing errors, which greatly increases the scrap rate.

[0005] For this reason, we propose a pressing and grinding assembly to solve the existing problems. Utility Model Content

[0006] The utility model aims to provide a pressing and grinding assembly to solve the problems existing in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressing and grinding assembly, comprising a floor, a workpiece plate, a slide and a positioning frame, a back plate is provided on the upper surface of the floor, a motor is provided on the back plate for lifting, a pressing plate is installed on the output end of the motor, a positioning frame is movably assembled on the floor, a turntable is provided in the positioning frame for lifting, the turntable can rotate, a slide is slidably provided on the floor, a grinding block is installed on the upper end of the slide, and the workpiece plate is placed on the positioning frame.

[0008] Preferably, an upper cylinder is mounted on the upper surface of the back plate by bolts, and an output end of the upper cylinder passes through the back plate and is fixed to the upper surface of the motor.

[0009] Preferably, a cushion is installed on the upper surface of the floor;

[0010] The lower surface of the positioning frame is provided with a support foot, and the bottom end of the support foot is against the cushion seat;

[0011] A threaded sleeve is slidably provided on the support leg, and the inner wall of the threaded sleeve is in threaded engagement with the outer wall of the cushion seat;

[0012] A turntable is slidably provided inside the positioning frame, a lower cylinder is provided on the upper surface of the floor, and an output end of the lower cylinder is rotatably mounted on the lower surface of the turntable.

[0013] Preferably, a sliding frame is provided on the upper surface of the floor, and a screw is rotatably installed in the sliding frame;

[0014] The bottom end of the slide bracket is slidably disposed in the slide frame, and the bottom end of the slide frame is threadedly engaged with the screw rod.

[0015] Preferably, a support seat is provided on the lower surface of the floor;

[0016] There are four support bases in total, and the positions of the four support bases are distributed in a rectangular array on the lower surface of the floor.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] During the use of the press-fit cutting and grinding assembly of the utility model, the workpiece punched out by the press-fitting can be placed on the positioning frame to locate the center position of the workpiece, and then the pressing plate is controlled to move downward to abut against the upper surface of the workpiece plate, so that the workpiece plate is squeezed and positioned between the pressing plate and the turntable, and at this time, the turntable and the pressing plate are controlled to move upward synchronously, so that the workpiece plate is moved out of the positioning frame, and then the slide is controlled to move so that the grinding block abuts against the ring edge of the workpiece plate, and the motor is controlled to work so that the workpiece plate in the clamping state rotates, and the ring edge of the rotating workpiece plate contacts and rubs with the grinding block, so that the ring edge of the workpiece plate is ground;

[0019] Furthermore, the corresponding positioning frame can be replaced according to the size of the workpiece plate to be processed. When disassembling the positioning frame, the threaded sleeve can be rotated to make the threaded sleeve away from the cushion seat to complete the disassembly operation;

[0020] The utility model can accurately locate the center of a circular workpiece during grinding, thereby avoiding eccentricity during grinding, improving the roundness of the finished circular workpiece and reducing the scrap rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the positioning frame of the utility model;

[0024] Figure 4 For the utility model Figure 3 Schematic diagram of the cross-sectional structure.

[0025] Reference numerals:

[0026] 1. Slide frame; 2. Floor; 3. Cushion seat; 4. Support seat; 5. Back plate; 6. Press plate; 7. Upper cylinder; 8. Motor; 9. Workpiece plate; 10. Support foot; 11. Threaded sleeve; 12. Lower cylinder; 13. Screw; 14. Grinding block; 15. Slide; 16. Positioning frame; 17. Turntable. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Embodiment 1

[0029] like Figure 1-Figure 4 As shown, a pressing and grinding assembly proposed by the utility model includes a floor 2, a workpiece plate 9, a slide 15 and a positioning frame 16. A back plate 5 is provided on the upper surface of the floor 2. A motor 8 is provided on the back plate 5 for lifting. A pressing plate 6 is installed on the output end of the motor 8. A positioning frame 16 is movably assembled on the floor 2. A turntable 17 is provided in the positioning frame 16 for lifting. The turntable 17 can rotate. A slide 15 is slidably provided on the floor 2. A grinding block 14 is installed on the upper end of the slide 15. The workpiece plate 9 is placed on the positioning frame 16.

[0030] Based on Example 1:

[0031] During use, the workpiece punched out by pressing can be placed on the positioning frame 16 to locate the center of the workpiece, and then the pressing plate 6 is controlled to move downward to abut against the upper surface of the workpiece plate 9, so that the workpiece plate 9 is squeezed and positioned between the pressing plate 6 and the turntable 17. At this time, the turntable 17 and the pressing plate 6 are controlled to move upward synchronously, so that the workpiece plate 9 is moved out of the positioning frame 16, and then the slide 15 is controlled to move so that the grinding block 14 abuts against the ring edge of the workpiece plate 9, and the motor 8 is controlled to work, so that the workpiece plate 9 in the clamping state rotates, and the ring edge of the rotating workpiece plate 9 contacts and rubs against the grinding block 14, so that the ring edge of the workpiece plate 9 is polished;

[0032] Furthermore, the corresponding positioning frame 16 can be replaced according to the size of the workpiece plate 9 to be processed. When the positioning frame 16 is disassembled, the threaded sleeve 11 is rotated to make the threaded sleeve 11 away from the cushion seat 3 to complete the disassembly operation.

[0033] Embodiment 2

[0034] like Figure 1-Figure 4As shown, the present invention proposes a pressing and grinding assembly. Compared with the first embodiment, the present embodiment further includes: an upper cylinder 7 is installed on the upper surface of the back plate 5 by bolts, and the output end of the upper cylinder 7 penetrates the back plate 5 and is fixed on the upper surface of the motor 8. Through the design of the upper cylinder 7, the pressing plate 6 can be controlled to perform lifting and lowering actions.

[0035] A cushion 3 is mounted on the upper surface of the floor 2;

[0036] The lower surface of the positioning frame 16 is provided with a support leg 10, and the bottom end of the support leg 10 is against the cushion seat 3;

[0037] A threaded sleeve 11 is slidably provided on the support leg 10, and the inner wall of the threaded sleeve 11 is in threaded engagement with the outer wall of the cushion seat 3;

[0038] The corresponding positioning frame 16 can be replaced according to the size of the workpiece plate 9 to be processed. When the positioning frame 16 is disassembled, the threaded sleeve 11 is rotated to make the threaded sleeve 11 away from the cushion seat 3 to complete the disassembly operation.

[0039] A turntable 17 is slidably provided inside the positioning frame 16, and a lower cylinder 12 is provided on the upper surface of the floor 2. The output end of the lower cylinder 12 is rotatably mounted on the lower surface of the turntable 17. Through the design of the lower cylinder 12, the turntable 17 can be controlled to perform lifting actions.

[0040] A sliding frame 1 is provided on the upper surface of the floor 2, and a screw rod 13 is rotatably installed in the sliding frame 1;

[0041] The bottom end of the slide 15 is slidably disposed in the slide frame 1 , and the bottom end of the slide frame 1 is threadedly engaged with the screw 13 . Through the cooperation of the above structure, the power device drives the screw 13 to rotate, thereby causing the slide 15 to slide on the slide frame 1 .

[0042] A support base 4 is provided on the lower surface of the floor 2;

[0043] There are four support bases 4 in total, and the positions of the four support bases 4 are distributed in a rectangular array on the lower surface of the floor 2.

[0044] It should be noted that the structure of the cylinder and the motor 8 is an existing mature technology, and its working principle and internal structure are known to the technicians in the relevant technical field. The utility model only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail here, and the technicians in this field can make any optional selections according to their needs or convenience.

[0045] The screw 13 of the utility model also needs to be provided with a power device to enable it to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and it all belongs to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0046] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pressing and grinding assembly, comprising a floor (2), a workpiece plate (9), a slide (15) and a positioning frame (16), characterized in that: A back plate (5) is provided on the upper surface of the floor (2), a motor (8) is provided on the back plate (5) for lifting, a pressure plate (6) is installed at the output end of the motor (8), a positioning frame (16) is movably assembled on the floor (2), a turntable (17) is provided in the positioning frame (16) for lifting, and the turntable (17) can rotate, a slide (15) is provided on the floor (2) for sliding, a grinding block (14) is installed at the upper end of the slide (15), and the workpiece plate (9) is placed on the positioning frame (16).

2. The pressing and grinding assembly according to claim 1, characterized in that: An upper cylinder (7) is mounted on the upper surface of the back plate (5) via bolts, and an output end of the upper cylinder (7) passes through the back plate (5) and is fixed to the upper surface of the motor (8).

3. The pressing and grinding assembly according to claim 1, characterized in that: A cushion seat (3) is installed on the upper surface of the floor (2); The lower surface of the positioning frame (16) is provided with a support foot (10), and the bottom end of the support foot (10) abuts against the cushion seat (3); A threaded sleeve (11) is slidably provided on the support foot (10), and the inner wall of the threaded sleeve (11) is in threaded engagement with the outer wall of the cushion seat (3); A turntable (17) is slidably disposed inside the positioning frame (16), a lower cylinder (12) is disposed on the upper surface of the floor (2), and an output end of the lower cylinder (12) is rotatably mounted on the lower surface of the turntable (17).

4. The pressing and grinding assembly according to claim 1, characterized in that: A sliding frame (1) is provided on the upper surface of the floor (2), and a screw rod (13) is rotatably installed in the sliding frame (1); The bottom end of the slide bracket (15) is slidably disposed in the slide frame (1), and the bottom end of the slide frame (1) is threadedly engaged with the screw rod (13).

5. The pressing and grinding assembly according to claim 1, characterized in that: A support seat (4) is provided on the lower surface of the floor (2); There are four support seats (4) in total, and the positions of the four support seats (4) are distributed in a rectangular array on the lower surface of the floor (2).

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