CN106881664A - The lifting of double-side-turning polishing machine upper millstone and upset structure - Google Patents

Abstract

The invention discloses a lifting and turning structure of an upper grinding disc of a double-sided turning polishing machine, which comprises a frame, an upper grinding disc assembly and an overturning structure. Turning cylinder, pulling plate, linear bearing, gear, rack and bracket; the rotating shaft at both ends of the grinding disc frame is supported by the bearing seat, and the bearing seat is supported by the lifting structure; the gear is fixed on the rotating shaft, and the bracket is installed on the bearing seat, which is located on the gear above; the cylinder body of the overturning cylinder is fixed on the bracket, and the bracket includes guide holes and guide grooves parallel to each other, and the guide grooves include openings facing the direction of the gear; the guide sleeve of the linear bearing is fixed in the guide hole, and one end of the guide rod of the linear bearing It is fixed on the pull plate, and the pull plate is fixed on the end of the piston rod of the turning cylinder; one end of the rack is fixed on the pull plate, and the end meshing with the gear is inserted into the guide groove. The upper disc frame of the present invention can be turned over smoothly by 180° and turned over on both sides.

Description

The Lifting and Turning Structure of the Grinding Disc on the Double-sided Turning Polishing Machine

technical field

The invention relates to a double-sided turning polishing machine, in particular to a lifting and turning structure of a grinding disc on the double-sided turning polishing machine.

Background technique

The utility model with the patent number CN201520330001.2 discloses a fully automatic grinding machine for glass lenses and glass protection screens; it includes a base and a PLC main control device, and also includes a grinding disc, a first drive mechanism for controlling the rotation of the grinding disc, a grinding tool, The first workpiece fixing device, the second workpiece fixing device adjacent to the first workpiece fixing device and the position switching device for switching back and forth between the first workpiece fixing device and the second workpiece fixing device; the first workpiece fixing device and the second workpiece The glass lenses or glass protective screens to be ground are respectively fixed on the fixing device; the PLC main control device is used to control the first driving mechanism, so that the grinding tool fixed on the grinding table can be fixed on the first workpiece fixing device during rotation. Grind the glass lens or glass protective screen to be ground and grind the glass lens or glass protective screen to be ground on the second workpiece fixing device after switching position; in the process of loading and unloading workpieces, the grinding and polishing work Uninterrupted, can increase production speed. However, this utility model only provides the idea of lifting and turning over the upper grinding disc of the polishing machine, and fails to solve the specific structure of lifting and turning over the upper grinding disc.

Contents of the invention

The technical problem to be solved by the present invention is to provide a lifting and turning structure of the upper grinding disc of the double-sided turning polishing machine in which the upper grinding disc frame can be turned over 180° stably.

In order to solve the above technical problems, the technical solution adopted by the present invention is a lifting and turning structure of the upper grinding disc of a double-sided flip polishing machine, including a frame, an upper grinding disc assembly, a lifting structure, a turning structure and a control circuit, and the upper grinding disc assembly includes a grinding disc frame, the first grinding disc group and the second grinding disc group; the two ends of the grinding disc frame each include an outstretched rotating shaft, and the turning structure includes two bearing seats, a turning cylinder, a pull plate, a linear bearing, a gear, a rack and a bracket; the grinding disc The rotating shaft at both ends of the frame is supported by the bearing seat, and the bearing seat is supported by the lifting structure; the gear is fixed on one of the rotating shafts, and the bracket is installed on a bearing seat above the gear; the cylinder body of the turning cylinder is fixed on the bracket Above, the bracket includes guide holes and guide grooves parallel to each other, and the guide grooves include openings facing the direction of the gear; the guide sleeve of the linear bearing is fixed in the guide hole, one end of the guide rod of the linear bearing is fixed on the pull plate, and the pull plate is fixed on the flip The end of the piston rod of the cylinder; one end of the rack is fixed on the pull plate, and the end meshing with the gear is inserted into the guide groove.

As for the lifting and flipping structure of the upper grinding disc, the linear bearing includes two guide sleeves, and the two guide sleeves are separately arranged in the guide holes front and rear.

The lifting and turning structure of the upper grinding disc mentioned above, the lifting structure includes two sets of lifting components, and the two sets of lifting components are respectively arranged on both sides of the frame; the lifting component includes a lifting cylinder and two sets of guide rods and guide bushes; The body is vertically fixed on the frame, and the top end of the piston rod is connected with the bearing seat; the guide rod and guide sleeve combination is arranged on both sides of the lifting cylinder, and the guide sleeve of the guide rod and guide sleeve combination is fixed on the frame, and the top end of the guide rod fixed on the bearing housing.

The lifting and turning structure of the above-mentioned upper grinding disc includes the following working steps:

1. The lifting structure is located at the lowest point, the grinding disc group under the grinding disc frame and the lower grinding disc process the workpiece, and the grinding disc above the grinding disc frame assembles and unloads the workpiece;

2. After the workpiece processing of the grinding disc group under the grinding disc frame is completed, the lifting structure rises to the highest point, the turning mechanism moves, and the grinding disc frame is turned 180°, and then the lifting structure drops to the lowest point, and the next working cycle is carried out

The upper disc frame of the present invention can be turned over smoothly by 180° and turned over on both sides.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a front view of a double-sided flip polishing machine according to an embodiment of the present invention.

Fig. 2 is a left side view of the double-sided flip polishing machine according to the embodiment of the present invention.

Fig. 3 is a top view of a double-sided flip polishing machine according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view along the line A in Fig. 2 .

Fig. 5 is a cross-sectional view taken along direction B in Fig. 1 .

detailed description

The structure of the double-sided flip polishing machine according to the embodiment of the present invention is shown in Fig. 1 to Fig. 5, including a frame 20, an upper grinding disc assembly, a lifting structure, a flipping structure and a control circuit.

The upper grinding disc assembly includes a grinding disc frame 1, a first grinding disc group 11 and a second grinding disc group 12, each of the first grinding disc group 11 and the second grinding disc group 12 includes 4 upper grinding discs 13 with suction cups, and the driving device of the upper grinding disc 13 is installed In the inner cavity of the disc holder 1. The two ends of disc frame 1 respectively have an overhanging rotating shaft 14.

The overturning structure includes two bearing blocks 2, an overturning cylinder 3, a pull plate 4, a linear bearing, a gear 5, a rack 6 and a bracket 7.

The rotating shaft 14 at two ends of the disc frame 1 is supported by the bearing 201 in the bearing block 2, and the bearing block 2 is supported by the lifting structure.

The gear 5 is fixed on one of the rotating shafts 14 , and the bracket 7 is installed on a bearing seat 2 above the gear 5 .

The cylinder body 301 of the turning cylinder is fixed on the top of the support 7 , the support 7 includes guide holes 701 and guide grooves 702 parallel to each other, and the guide groove 702 has an opening towards the direction of the gear 5 . The two guide sleeves 8 of the linear bearing are separately fixed in the guide hole 701 front and rear, and one end of the linear bearing guide rod 9 is fixed on the pull plate 4, and the pull plate 4 is fixed on the end of the piston rod 302 of the overturning cylinder. One end of the rack 6 is fixed on the pull plate 4 , and the end meshed with the gear 5 is inserted into the guide groove 702 .

The lifting structure includes two sets of lifting assemblies, and the two sets of lifting assemblies are respectively arranged on both sides of the frame 20 .

The lifting assembly includes a lifting cylinder 15 and two sets of guide rod guide sleeve combinations 16 .

The cylinder body 1501 of the lifting cylinder 15 is vertically fixed on the frame 20 , and the top end of the piston rod 1502 is connected with the bearing block 2 . The guide rod and guide sleeve assembly 16 is arranged on both sides of the lifting cylinder 15 , the guide sleeve 1601 of the guide rod and guide sleeve assembly 16 is fixed on the frame 20 , and the top end of the guide rod 1602 is fixed on the bearing seat 2 .

Working process of the present invention is as follows:

The hoisting structure drops to the lowest point, and the second grinding disc group 12 and the lower grinding disc grind and polish the workpiece; the operator takes off the finished workpiece on the first grinding disc group 11 and puts the workpiece to be processed, and the upper grinding disc of the first grinding disc group 11 will The workpiece to be processed is sucked firmly;

The workpiece processing on the second grinding disc group 12 is completed, the lifting structure rises to the highest point, the turning mechanism acts, the grinding disc frame 1 is turned over 180 °, and then the lifting structure drops to the lowest point, and the first grinding disc group 11 and the lower grinding disc process the workpiece; and At the same time, the operator takes off the finished workpiece on the second grinding disc group 12, puts the workpiece to be processed, and the upper grinding disc of the second grinding disc group 12 sucks the workpiece to be processed firmly, waiting for the next working cycle.

Claims (4)

1. a kind of double-side-turning polishing machine upper millstone lifting and upset structure, including frame, upper millstone component, lift structure, Upset structure and control circuit, upper millstone component include millrind, the first mill group and the second mill group；The two ends of millrind are each Including overhanging rotary shaft, upset structure includes two bearing blocks, and the rotary shaft at millrind two ends is by bearing block support, bearing block Supported by lift structure；Characterized in that, upset structure includes tumble cylinder, arm-tie, linear bearing, gear, tooth bar and support； Gear is fixed in the rotary shaft described in, and support is arranged on a bearing block, positioned at the top of gear；Tumble cylinder Cylinder body is fixed on support, and support includes the guide hole and guide groove that are parallel to each other, and guide groove includes opening towards the direction of gear；Straight line The guide pin bushing of bearing is fixed in guide hole, and one end of linear bearing guide rod is fixed on arm-tie, and arm-tie is fixed on tumble cylinder piston The end of bar；One end of tooth bar is fixed on arm-tie, one end insertion guide groove engaged with gear.

2. the lifting of upper millstone and upset structure according to claim 1, it is characterised in that described linear bearing includes Two guide pin bushings, are separately arranged in guide hole before and after two guide pin bushings.

3. according to claim 1 upper millstone lifting and upset structure, it is characterised in that lift structure include two sets lifted Component, two sets of lifting assemblies are arranged in the both sides of frame；Lifting assembly includes lifting cylinder and two sets of guide rod guide pin bushing combinations； The cylinder body of lifting cylinder is vertically fixed in frame, and the top of piston rod is connected with bearing block；The combination of guide rod guide pin bushing is arranged in The both sides of lifting cylinder, the guide pin bushing of guide rod guide pin bushing combination is fixed in frame, and the top of guide rod is fixed on bearing block.

4. according to claim 3 upper millstone lifting and upset structure, it is characterised in that including following job step：

401st, lift structure is located at minimum point, and the mill group below millrind processes workpiece, the mill above millrind with lower millstone Disk group workpiece loading and unloading；

402nd, the work pieces process of millrind lower section mill group is completed, and lift structure rises to peak, and switching mechanism action will grind Plate rail overturns 180 °, is then lifted out structure and drops to minimum point, carries out subsequent work circulation.