Glass linear edge grinding machine

Abstract

The utility model discloses a glass linear edge grinding machine which comprises a working table, a sliding base, a threaded rod with the two ends fixedly connected with the working table, a first servo motor fixedly connected to the working table and the output end fixedly connected with the threaded rod, a rotating disc rotationally installed on the sliding base, suction cups evenly distributed on the rotating disc and a second servo motor installed on the working table through an installation frame. The grinding wheel is fixedly connected to the output end of the second servo motor; the correcting device comprises two linear sliding rails, a positioning rod, an electric cylinder, two pressure sensors and a PLC (Programmable Logic Controller); the linear sliding rail comprises a guide rail and a sliding block; the two guide rails are arranged in parallel and fixedly connected to the sliding base, the positioning rod is fixedly connected with the two sliding blocks respectively, the two pressure sensors are fixedly connected to the two ends of the positioning rod, the electric cylinder is fixedly connected to the sliding base, and the output end of the electric cylinder is fixedly connected with the positioning rod. The utility model has the advantage of ensuring that the contact force between the glass and the pressure sensor is maintained at a stable and safe level.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass processing equipment technical field, especially relate to a glass straight line edge grinding machine. BACKGROUND

[0002] The glass edge grinding machine is a kind of mechanical equipment specially used for processing glass edge, it carries out grinding, chamfering, polishing etc. to glass by high-speed rotating grinding wheel, to ensure that glass product has smooth, safe and beautiful edge.Glass edge grinding machine is usually equipped with multiple grinding heads of different shapes and granularity, can adapt to different types and thickness of glass material and diversified edge design demand, is widely used in architectural decoration, furniture manufacturing, automobile industry etc. field, is one of indispensable important equipment of modern glass processing.

[0003] The utility model of CN 219131770 U discloses a kind of straight line edge grinding machine specially used for toughened glass production.The equipment is driven screw shaft rotation by rotating handle, to make two correction rods gradually approach toughened glass being adsorbed and fixed on fixed seat.Using the two correction rods closely adhere on the two sides of toughened glass, ensure that the side of glass facing grinding wheel is corrected to flat, and keep consistent with the direction of edge grinding, to guarantee the quality of subsequent edge grinding procedure.But, since the rotation of screw shaft relies on manual operation, it is difficult to accurately control the contact force that correction rod exerts on toughened glass;And, when carrying out continuous edge grinding production, it needs to rotate screw shaft repeatedly to position each glass every time, increase the labor intensity of worker.Therefore, this operating mode has room for improvement. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a kind of glass straight line edge grinding machine.

[0005] To solve the above technical problem, the technical scheme of the utility model is:

[0006] The application discloses a glass straight-line edging machine which comprises a workbench with supporting legs, a sliding base slidingly arranged on the workbench, threaded rods with two ends fixedly connected with the workbench, a servo motor I fixedly connected with the workbench and having an output end fixedly connected with the threaded rods, a rotating disc rotatably arranged on the sliding base, sucking discs uniformly arranged on the rotating disc, a servo motor II arranged on the workbench through a mounting frame, a polishing wheel fixedly connected with an output end of the servo motor II, and a correction device; the sliding base is threadedly connected with the threaded rods; the correction device comprises two straight-line sliding rails, a positioning rod, an electric cylinder, two pressure sensors and a PLC controller; the straight-line sliding rail comprises a guide rail and a sliding block; the two guide rails are arranged in parallel and fixedly connected with the sliding base; the positioning rod is fixedly connected with the two sliding blocks; the two pressure sensors are fixedly connected with two ends of the positioning rod; the electric cylinder is fixedly connected with the sliding base and has an output end fixedly connected with the positioning rod; the pressure sensors and the electric cylinder are electrically connected with the PLC controller; end faces of the two pressure sensors are located on the same plane and are parallel to the side of the glass to be polished.

[0007] Preferably, the rotating disc is arranged on the sliding base through a rotating disc bearing.

[0008] Preferably, a nut is screwed on the threaded rod, and the nut is fixedly connected with the sliding base.

[0009] Preferably, a guide rod parallel to the threaded rod is fixedly connected with the workbench, a guide block is slidingly arranged on the guide rod, and the guide block is fixedly connected with the sliding base.

[0010] Preferably, the pressure sensor is JLBS-MD type.

[0011] Preferably, the PLC controller is Schneider Modicon series.

[0012] The above technical scheme has the following advantages:

[0013] The utility model discloses a drive device of positioning rod is introduced electric cylinder, effectively promote the precision and efficiency in the glass edging process. In the specific operation, the both ends of positioning rod are equipped with pressure sensor, when the pressure sensor gently contacts the tempered glass of edging, can sensitively perceive the change of contact force, and this information is fed back to PLC controller. The pressure sensor on the positioning rod can push the glass rotation, to accurately adjust the position of glass, ensure that the side of glass is carefully and uniformly corrected to flat state to the polishing wheel, and guarantee that the plane is completely identical with the predetermined edging direction, thereby providing solid foundation for the subsequent high quality edging process. When the pressure value that pressure sensor detects reaches the safety threshold value that is previously set, the built-in PLC controller will respond immediately, and sends out the instruction to make electric cylinder stop action. This process not only ensures that the contact force between glass and pressure sensor maintains at a stable and safe level, but also effectively avoids the risk of glass damage caused by excessive pressure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of one embodiment of the utility model;

[0015] Figure 2 It is the left view of Figure 1 ;

[0016] Figure 3 It is the plan view of Figure 1 ;

[0017] Figure 4 It is the perspective view of Figure 1 ;

[0018] Figure 5 It is the enlarged view of A portion in Figure 4 ;

[0019] Figure 6 It is the cross section perspective view along C-C in Figure 3 ;

[0020] Figure 7 It is the enlarged view of B portion in Figure 6 .

[0021] In the drawing:

[0022] 1 - leg, 2 - workbench, 3 - slide, 4 - threaded rod, 5 - servo motor one, 6 - rotating disc, 7 - suction cup, 8 - servo motor two, 9 - polishing wheel, 10 - linear slide, 11 - positioning rod, 12 - electric cylinder, 13 - pressure sensor, 14 - PLC controller, 15 - guide rail, 16 - sliding block, 17 - rotating disc bearing, 18 - nut, 19 - guide rod, 20 - guide block, 21 - mounting frame. DETAILED DESCRIPTION

[0023] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] As shown in the drawings, a glass straight line edging machine comprises a workbench 2 with supporting legs 1, a sliding seat 3 slidingly arranged on the workbench 2, a threaded rod 4 with both ends fixedly connected to the workbench 2, a servo motor I 5 fixedly connected to the workbench 2 and having an output end fixedly connected to the threaded rod 4, a rotating disc 6 rotatably installed on the sliding seat 3, suction cups 7 evenly arranged on the rotating disc 6, a servo motor II 8 installed on the workbench 2 through a mounting frame 21, a polishing wheel 9 fixedly connected to the output end of the servo motor II 8, and a correction device; the sliding seat 3 is threadedly connected to the threaded rod 4; the correction device comprises two straight line sliding rails 10, a positioning rod 11, an electric cylinder 12, two pressure sensors 13, and a PLC controller 14; the straight line sliding rail 10 comprises a guide rail 15 and a sliding block 16; the two guide rails 15 are arranged in parallel and fixedly connected to the sliding seat 3; the positioning rod 11 is fixedly connected to the two sliding blocks 16; the two pressure sensors 13 are fixedly connected to the two ends of the positioning rod 11; the electric cylinder 12 is fixedly connected to the sliding seat 3, and the output end thereof is fixedly connected to the positioning rod 11; the pressure sensors 13 and the electric cylinder 12 are electrically connected to the PLC controller 14; the end faces of the two pressure sensors 13 are located in the same plane and parallel to the side of the glass to be polished.

[0025] As a preferred technical solution of the embodiment, the rotating disc 6 is installed on the sliding seat 3 through a rotating disc bearing 17. Obviously, other rotating connection structures can be adopted.

[0026] As a preferred technical solution of the embodiment, a nut 18 is screwed on the threaded rod 4. The nut 18 is fixedly connected to the sliding seat 3. After the threaded rod 4 is rotated, the nut 18 drives the sliding block 3 to move.

[0027] As a further improved technical solution of the embodiment, a guide rod 19 parallel to the threaded rod 4 is fixedly connected to the workbench 2. A guide block 20 is slidingly sleeved on the guide rod 19. The guide block 20 is fixedly connected to the sliding seat 3. By additionally arranging the guide rod 19 and the guide block 20, the stability of the movement of the sliding seat 3 can be further ensured, so as to improve the precision of the glass edging.

[0028] As a specific technical solution of the embodiment, the pressure sensor 13 adopts JLBS-MD type. The PLC controller 14 adopts Schneider Modicon series.

[0029] In operation, the glass is placed on the suction cup 7, and then the suction cup 7 is fixed by the negative pressure provided by the negative pressure device; then the electric cylinder 12 is started by the PLC controller 14, the electric cylinder 12 pushes the positioning rod 11 to the glass, when the pressure sensor 13 contacts the glass, the rotating disc 6 automatically adjusts the angle to make the glass contact the two pressure sensors 13, when the pressure of the two pressure sensors 13 reaches the set value, the PLC controller 14 automatically controls the electric cylinder 12 to stop and lock, at this time, the side of the glass to be polished is positioned, then the polishing wheel 9 is started by the servo motor 8, and then the servo motor 1 is started to realize the feeding of the glass polishing.

[0030] The utility model discloses a positioning rod 11 is driven by the electric cylinder 12, when the pressure sensor 13 contacts the tempered glass of the edge to be polished, can sensitively perceive the change of contact force, and this information is fed back to the PLC controller 14. The pressure sensor 13 on the positioning rod 11 can push the glass to rotate, to accurately adjust the position of the glass, ensure that the side of the glass facing the polishing wheel 9 is carefully and uniformly corrected to the flat state, and ensure that the plane is completely consistent with the predetermined edge grinding direction, when the pressure value detected by the pressure sensor 13 reaches the pre-set safety threshold, the built-in PLC controller 14 will respond immediately, and the electric cylinder 12 is stopped by the instruction. This process not only ensures that the contact force between the glass and the pressure sensor 13 is maintained at a stable and safe level, but also effectively avoids the risk of glass damage caused by excessive pressure.

[0031] The electronic components and controllers involved in the utility model are prior art, and those skilled in the art can realize them without further description. At the same time, the content protected by the utility model does not involve the improvement of software and method.

[0032] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A glass straight-line edging machine, comprising a worktable (2) with legs (1), a slide block (3) slidably disposed on the worktable (2), a threaded rod (4) fixedly connected to the worktable (2) at both ends, a servo motor (5) fixedly connected to the worktable (2) and its output end fixedly connected to the threaded rod (4), a rotating disk (6) rotatably mounted on the slide block (3), suction cups (7) evenly distributed on the rotating disk (6), a servo motor (8) mounted on the worktable (2) via a mounting bracket (21), a grinding wheel (9) fixedly connected to the output end of the servo motor (8), and a correction device; the slide block (3) is threadedly connected to the threaded rod (4); the correction device comprises two linear slide rails (10), a positioning rod (11), an electric cylinder (12), two pressure sensors (13), and a PLC controller (14); the linear slide rails (10) comprise guide rails (15) and sliders (16); characterized in that: The two guide rails (15) are arranged in parallel and fixed to the slide (3). The positioning rod (11) is fixed to the two sliders (16) respectively. The two pressure sensors (13) are fixed to both ends of the positioning rod (11). The electric cylinder (12) is fixed to the slide (3) and its output end is fixed to the positioning rod (11). The pressure sensors (13) and the electric cylinder (12) are electrically connected to the PLC controller (14) respectively. The end faces of the two pressure sensors (13) are located on the same plane and are parallel to the side of the glass to be polished.

2. The glass straight-line edging machine according to claim 1, characterized in that: The rotating disk (6) is mounted on the slide (3) via a rotating disk bearing (17).

3. The glass straight-line edging machine according to claim 1 or 2, characterized in that: A nut (18) is screwed onto the threaded rod (4), and the nut (18) is fixedly connected to the slide (3).

4. The glass straight-line edging machine according to claim 1 or 2, characterized in that: A guide rod (19) parallel to the threaded rod (4) is fixedly connected to the worktable (2). A guide block (20) is slidably mounted on the guide rod (19). The guide block (20) is fixedly connected to the slide (3).

5. The glass straight-line edging machine according to claim 1 or 2, characterized in that: The pressure sensor (13) is of type JLBS-MD.

6. The glass straight-line edging machine according to claim 1 or 2, characterized in that: The PLC controller (14) is a Schneider Modicon series.

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