Numerical control machine tool for plate processing

Abstract

The invention provides a numerical control machine tool for plate machining. The numerical control machine tool aims at solving the problem that in the prior art, due to the fact that manual intervention is needed for transferring, plates need to be positioned multiple times and then punched. The automatic labeling machine mainly comprises a labeling unit, a machine tool frame, an unpowered roller, a clamping jaw unit, a punching unit, an adsorption unit, a cutting unit and a material receiving belt conveyor, the unpowered rollers are adopted for lifting plates, collision and scratching of the plates are reduced, linear displacement of the clamping jaw units is driven by meshing of the long guide rails and the gears and the racks, and meshing type clamping of the plates is achieved through cooperation of the upper pressing plate and the lower pressing plate of the clamping part. The occlusion contact end clamps the edge of a plate through a rubber cushion plate to prevent clamping damage and plate movement, the plate is transferred and moved in cooperation with an unpowered roller, it is ensured that no relative displacement exists in the punching and transferring processes through the clamping unit, meanwhile, the plate can be accurately positioned before clamping by means of three positioning units, and the punching efficiency is improved. And re-positioning is not needed after one-time positioning, so that the precision is high.

Description

Technical Field

[0001] The invention relates to the technical field of plate processing, in particular to a numerical control machine tool for plate processing. Background Art

[0002] CNC machine tools for plate processing are mainly used for the preliminary cutting of panel furniture materials. There are two main processing methods for such CNC machine tools in the prior art. One is to use a plate cutting machine to cut the plate according to the required size, manually label it according to the shape, and transfer it to the punching equipment for punching and grooving processing; the other is to use a labeling machine to paste labels, use a punching machine to punch holes on one side of the whole plate, then turn it over to punch holes on the back, and finally transfer it to the cutting machine for plate cutting; The above two processing methods use a combination of multiple independent devices and manual operations for the former, and multiple independent devices for processing in different steps for the latter. It can be seen that no matter the former or the latter, after completing one step, manual intervention is required for transportation, which inevitably leads to the problem of multiple positioning. The two methods mentioned above have at least 2-3 repeated positioning problems. Summary of the invention

[0003] In view of the shortcomings of the above-mentioned prior art, the present application provides a CNC machine tool for plate processing, which integrates four working processes of jacking and labeling, jaw transfer and positioning, front and back punching, and plate cutting. During the process, the jaw unit is used to ensure that there is no relative displacement during the punching and transfer process, so there is no need for secondary positioning, and the accuracy of plate opening is higher.

[0004] The technical solution adopted by the present invention is as follows: A numerically controlled machine tool for plate processing, comprising: A labeling unit is provided at the feeding end of the sheet material to replace manual labeling for the incoming sheet material; The machine tool frame is arranged on one side of the labeling unit to serve as the main frame of the machine tool to carry and install other components; Unpowered rollers, which are arranged in multiple groups along the length of the machine frame, are used to transport the plates along a straight plane; A clamping claw unit, which can be moved on one side of the machine frame, is used to clamp the plate on the unpowered roller and transfer it to a preset punching position; The punching unit is arranged in the middle of the unpowered roller and is correspondingly located below the clamping unit, and is used to punch holes on both sides of the plate after the clamping unit is transferred to the position; The adsorption unit is arranged at the rear of the machine tool frame and docked with the end of the unpowered roller, and is used to adsorb and fix the punched and transported plates; A cutting unit is arranged above the adsorption unit and is used for cutting the plate material coming from the adsorption unit; The material receiving belt conveyor is independently arranged at the end of the machine tool frame, and its material receiving belt plane is connected to the transfer plane where the adsorption unit is located.

[0005] Furthermore, the clamping units are provided with two groups, each group of the clamping units includes a flange seat, a clamping motor fixed on the flange seat, and a plurality of slides arranged on the lower surface of the flange seat, the side edge of the machine tool frame is correspondingly provided with a guide rail slidably connected to the slide, the side edge of the machine tool frame is also laterally provided with a rack, and the driving end of the clamping motor is meshed with the rack for transmission by setting a gear; A group of outer guide rails and inner guide rails are provided on the side of the flange seat, an upper clamping plate is slidably provided on the inner guide rail, and a lower clamping plate is slidably provided on the outer guide rail. A cylinder is fixed to the inner cavity of the lower clamping plate, and its driving end is connected to the upper clamping plate. A cylinder is provided at the outer center of the flange seat, and its driving end is connected to the lower clamping plate.

[0006] Furthermore, the gap between the upper clamping plate and the lower clamping plate forms a clamping portion, a limiting tongue is provided at the middle position of the lower surface of the upper clamping plate, and multiple groups of flexible pads are provided at the inlet ends of the upper clamping plate and the lower clamping plate.

[0007] Furthermore, the labeling unit includes a hydraulic jack and a labeling mechanism arranged against the top of the hydraulic jack, the labeling mechanism includes a set of linear modules arranged on the ground and a truss arranged on the free end of the linear module, the extended end of the truss is suspended above the platform of the hydraulic jack, the truss is provided with a labeling machine, and the front surface of the truss is also provided with a push plate.

[0008] Furthermore, a positioning unit is also provided on the machine tool frame, and the positioning unit includes a side positioning mechanism arranged on another side end face of the machine tool frame, a front positioning mechanism arranged in the middle of the unpowered roller, and a clamping jaw positioning mechanism arranged on the side end face of the clamping part of the clamping jaw unit.

[0009] Furthermore, the punching unit includes two groups of gantries arranged above the middle unpowered roller, one of the gantries is provided with a linear module, the free end of the linear module is provided with a punching beam arm, and a front punching mechanism and a back punching mechanism are relatively arranged above and below the punching beam arm, and a protective cover shell is provided on the outside of the punching unit.

[0010] Furthermore, the punching unit also includes a plurality of groups of pressing components arranged on the front and rear groups of gantries, each group of the pressing components includes a group of cylinders, the main body of the cylinder is fixed to the lower surface of the gantry by screws, the driving end of the cylinder is connected to a flange plate, a wheel plate is arranged under the flange plate, a plurality of groups of pressing wheels are rotatably arranged on the wheel plate, and the wheel plate is fixed to the flange plate by bolts.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention has a higher integration degree and can continuously complete the four processes of lifting and labeling, gripper transfer and positioning, front and back punching, and plate cutting of plate processing, thereby greatly improving production efficiency, reducing labor intensity, and shrinking the site usage area; On the issue of plate positioning, compared with the prior art of multiple positioning followed by punching or other processes; the present invention uses unpowered rollers to lift the plates during transportation, which reduces the occurrence of bumps and scratches on the plates. The linear displacement of the clamping claw unit uses a long guide rail and a gear rack meshing transmission. The clamping part cooperates with the upper and lower pressure plates to achieve an interlocking clamping of the plates. The interlocking contact end clamps the edge of the plate through a rubber pad to prevent pinching and plate movement. The unpowered rollers are used to achieve the transportation and movement of the plates. The clamping unit is used to ensure that there is no relative displacement during the punching and transportation process. At the same time, with the help of three sets of positioning units, the plates can be accurately positioned before clamping, and no re-positioning is required after one positioning, with high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view of the present invention; Figure 2 A top view of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 4 for Figure 3 Explosion diagram of Figure 5 It is a structural schematic diagram of the material pressing component in the present invention; Figure 6 is a schematic diagram of the clamping jaw positioning mechanism of the present invention; Figure 7 is a schematic diagram of the front positioning mechanism in the present invention; Figure 8 is a schematic diagram of the side positioning mechanism of the present invention; Fig. 9 It is a structural schematic diagram of the cutting unit in the present invention; Fig.10 It is a schematic diagram of the structure of the front punching mechanism and the back punching mechanism in the present invention; Fig.11 It is a schematic diagram of the structure of the clamping jaw unit in the present invention.

[0013] Among them: 1. Labeling unit; 11. Hydraulic jacking machine; 12. Truss; 13. Labeling machine; 14. Push plate; 2. Machine tool frame; 3. Unpowered roller; 4. Gripping jaw unit; 41. Flange seat; 42. Gripping jaw motor; 43. Outer guide rail; 44. Inner guide rail; 45. Upper clamping plate; 46. Lower clamping plate; 47. Limiting tongue; 48. Flexible pad; 5. Punching unit; 51. Gantry; 52. Punching beam arm; 53. Front punching mechanism; 54. Back punching mechanism; 55. Protective cover shell; 56, pressing component; 561, flange plate; 562, wheel plate; 553, pressing wheel; 6. Adsorption unit; 7. Cutting unit; 8. Material receiving belt conveyor; 9. Front positioning mechanism; 10. Side positioning mechanism; 15. Gripper positioning mechanism. DETAILED DESCRIPTION

[0014] The specific implementation of the present invention is described below in conjunction with the accompanying drawings.

[0015] The present invention provides a numerically controlled machine tool for plate processing, aiming to solve the problem in the prior art that manual intervention is required for transportation, resulting in the need to position and punch holes in the plate multiple times.

[0016] like Figures 1 to 11 As shown, the present invention comprises: a labeling unit 1, which is arranged at the feeding end of the plate material, and is used to replace manual labor to label the incoming plate material; A machine tool frame 2, which is arranged close to one side of the labeling unit 1, and is used as the main frame of the machine tool to carry and install other components; The unpowered rollers 3 are arranged in multiple groups along the length direction of the machine frame 2 and are used to transport the plates along a straight plane; A clamping claw unit 4, which can be moved on one side of the machine tool frame 2, is used to clamp the plate on the unpowered roller 3 and transfer it to a preset punching position; The punching unit 5 is arranged at the middle position of the unpowered roller 3 and is correspondingly located below the clamping unit 4, and is used to punch holes on both sides of the plate after the clamping unit 4 is transferred to the position; The adsorption unit 6 is arranged at the rear of the machine tool frame 2 and docked with the end of the unpowered roller 3, and is used to adsorb and fix the plate after punching and transport; A cutting unit 7, which is arranged above the adsorption unit 6 and is used to cut the plate material coming from the adsorption unit 6; The material receiving belt conveyor 8 is independently arranged at the end of the machine tool frame 2, and its material receiving belt plane is connected to the transfer plane where the adsorption unit 6 is located.

[0017] In one embodiment of the present invention, two groups of clamping units 4 are provided, each group of clamping units 4 includes a flange seat 41, a clamping motor 42 fixed on the flange seat 41, and a plurality of slides arranged on the lower surface of the flange seat 41, and the side portion of the machine tool frame 2 is correspondingly provided with a guide rail slidably connected to the slide, and the side portion of the machine tool frame 2 is also laterally provided with a rack, and the driving end of the clamping motor 42 is meshed with the rack through a gear; In one embodiment of the present invention, a group of outer guide rails 43 and inner guide rails 44 are provided on the side of the flange seat 41, an upper clamping plate 45 is slidably provided on the inner guide rail 44, and a lower clamping plate 46 is slidably provided on the outer guide rail 43, a cylinder is fixed to the inner cavity of the lower clamping plate 46, and a driving end thereof is connected to the upper clamping plate 45, and a cylinder is provided at the outer center of the flange seat 41, and a driving end thereof is connected to the lower clamping plate 46.

[0018] In one embodiment of the present invention, the gap between the upper clamping plate 45 and the lower clamping plate 46 forms a clamping portion, a limiting tongue 47 is provided at the middle position of the lower surface of the upper clamping plate 45, and multiple groups of flexible pads 48 are provided at the inlet ends of the upper clamping plate 45 and the lower clamping plate 46.

[0019] In one embodiment of the present invention, the labeling unit 1 includes a hydraulic jack 11 and a labeling machine 13 arranged against the hydraulic jack 11, the labeling machine 13 includes a set of linear modules arranged on the ground and a truss 12 arranged on the free end of the linear module, the extended end of the truss 12 is suspended above the platform of the hydraulic jack 11, the labeling machine 13 is arranged on the truss 12, and the front surface of the truss 12 is also provided with a push plate 14.

[0020] In one embodiment of the present invention, a positioning unit is also provided on the machine tool frame 2, and the positioning unit includes a side positioning mechanism 10 arranged on the other side end face of the machine tool frame 2, a front positioning mechanism 9 arranged in the middle of the unpowered roller 3, and a clamping jaw positioning mechanism 15 arranged on the side end face of the clamping part of the clamping jaw unit 4.

[0021] In one embodiment of the present invention, the punching unit 5 includes two groups of gantries 51 arranged above the middle unpowered roller 3, one of the gantries 51 is provided with a linear module, the free end of the linear module is provided with a punching beam arm 52, and a front punching mechanism 53 and a back punching mechanism 54 are relatively arranged above and below the punching beam arm 52, and a protective cover shell 55 is provided on the outside of the punching unit 5.

[0022] In one embodiment of the present invention, the punching unit 5 also includes a plurality of groups of pressing components 56 arranged on the front and rear groups of gantries 51, each group of the pressing components 56 includes a group of cylinders, the main body of the cylinder is fixed to the lower surface of the gantry 51 by screws, the driving end of the cylinder is connected to a flange plate 561, a wheel plate 562 is arranged under the flange plate 561, a plurality of groups of pressing wheels 553 are rotatably arranged on the wheel plate 562, and the wheel plate 562 is fixedly connected to the flange plate 561 by bolts.

[0023] The specific structure and working principle of the present invention are as follows: The plate processing CNC machine tool provided by the present invention integrates four processes of lifting labeling, jaw transfer and positioning, front and back punching and plate cutting. In a preferred embodiment, the labeling unit 1 includes a linear module, a truss 12 and a labeling machine 13, wherein the labeling machine 13 is the same as the labeling machine 13 used in the prior art, and the model and working principle are no longer repeated, and can be freely replaced and applied according to different plates; the labeling unit 1 in the present invention is configured with a hydraulic lifting machine 11 and a linear module, as shown in the figure, the linear module is arranged in an L shape on the hydraulic lifting machine 1 1, the L-shaped section has strong stability and can meet the load requirements of the truss 12 for hoisting the labeling machine 13; the lower part of the hydraulic jacking machine 11 is a scissor-type hydraulic lifting workbench, and its plane, that is, the lifting surface, is a grid platform for placing plates. A linear module is arranged on the side of the grid platform, and the truss 12 is linearly moved back and forth on the linear module. Its principle is based on the meshing of gears and racks and the guidance of guide rails and slides, and the principle is no longer repeated; in particular, a push plate 14 is also arranged in the direction of the labeling machine 13 toward the machine tool frame 2, so as to push the plate to the unpowered roller after labeling is completed.

[0024] When in use, the labeling unit 1 is activated first, and the labeling machine 13 sticks labels as required. After labeling is completed and the clamping claw unit 4 is in the standby position, the cylinders of the front positioning mechanism 9 and the clamping claw positioning mechanism 15 rise, and the push plate 14 pushes the single sheet to the line of the non-powered roller 3 driven by the linear module. The cylinder of the side positioning mechanism 10 pushes the sheet to the upper surface of the positioning block of the clamping claw positioning mechanism 15, and the push plate 14 pushes the sheet to position. The upper and lower pressure plate cylinders act to clamp the sheet, and the front positioning mechanism 9, the cylinder of the side positioning mechanism 10 and the labeling machine 13 push the material and retract, and the labeling machine 13 returns to continue the labeling action of the next sheet; the clamping claw unit 4 clamps the sheet and carries the sheet to the middle of the non-powered conveying roller as required. When the sheet passes through the three front pressing components 56 and the three rear pressing components 56, The cylinder presses down to hold the plate to prevent the plate from shifting during the punching process. A pressing component 56 is arranged in the front punching mechanism 53 and the back punching mechanism 54 to reduce the deformation of the plate during the punching process and ensure the depth of the blind hole. When the front and back punching stations are completed, the clamping mechanism transports the plate to the plate cutting station; the plate cutting unit 7 is in standby mode, the auxiliary adsorption table is in a lowered state, and the cutting component is at the end of the equipment. The clamping unit 4 delivers the material into place, returns to the standby position, clamps the next plate, and repeats the operation without secondary positioning. The cutting operation is directly carried out to complete the cutting. The cutting component is a cutting component of the prior art, and the model and principle are no longer repeated. During operation, its material return mechanism and the material blocking mechanisms on both sides extend out, and the cutting component pushes the material to the receiving belt conveyor 8 for material sorting and delivery to the next process.

[0025] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. Any form of modification may be made within the scope of protection of the present invention.

Claims

1. A CNC machine tool for plate processing, characterized in that: include: A labeling unit (1) is arranged at the feeding end of the sheet material, and is used to replace manual labor to label the incoming sheet material; A machine tool frame (2), which is arranged adjacent to one side of the labeling unit (1) and is used as a main frame of the machine tool to carry and install other components; Unpowered rollers (3) are arranged in multiple groups along the length direction of the machine tool frame (2) and are used to transport the plate along a straight plane; A clamping claw unit (4) which can be moved on one side of the machine tool frame (2) and is used to clamp the plate on the unpowered roller (3) and transfer it to a preset punching position; A punching unit (5) is arranged at the middle position of the unpowered roller (3) and is correspondingly located below the clamping claw unit (4), and is used to punch holes on both sides of the plate after the clamping claw unit (4) has been transferred to the position; An adsorption unit (6) is arranged at the rear of the machine tool frame (2) and docked with the end of the unpowered roller (3), and is used to adsorb and fix the plate after being punched and transported; A cutting unit (7), which is arranged above the adsorption unit (6) and is used to cut the plate material supplied from the adsorption unit (6); The material receiving belt conveyor (8) is independently arranged at the end of the machine tool frame (2), and its material receiving belt plane is butted against the transfer plane where the adsorption unit (6) is located.

2. A CNC machine tool for plate processing as claimed in claim 1, characterized in that: The clamping units (4) are provided in two groups, each group of the clamping units (4) comprises a flange seat (41), a clamping motor (42) fixed on the flange seat (41), and a plurality of slides arranged on the lower surface of the flange seat (41); the side edge of the machine tool frame (2) is provided with a guide rail slidably connected to the slide; the side edge of the machine tool frame (2) is also provided with a rack laterally; the driving end of the clamping motor (42) is meshed with the rack for transmission by providing a gear; A group of outer guide rails (43) and inner guide rails (44) are provided on the side of the flange seat (41); an upper clamping plate (45) is slidably provided on the inner guide rail (44); a lower clamping plate (46) is slidably provided on the outer guide rail (43); a cylinder is fixed to the inner cavity of the lower clamping plate (46); a driving end of the cylinder is connected to the upper clamping plate (45); a cylinder is provided at the outer center of the flange seat (41); a driving end of the cylinder is connected to the lower clamping plate (46).

3. A CNC machine tool for plate processing as claimed in claim 2, characterized in that: The gap between the upper clamping plate (45) and the lower clamping plate (46) forms a clamping portion, a limiting tongue (47) is provided at the middle of the lower surface of the upper clamping plate (45), and multiple groups of flexible pads (48) are provided at the inlet ends of the upper clamping plate (45) and the lower clamping plate (46).

4. A CNC machine tool for plate processing as claimed in claim 1, characterized in that: The labeling unit (1) comprises a hydraulic jack (11) and a labeling machine (13) mechanism disposed adjacent to the hydraulic jack (11); the labeling machine (13) mechanism comprises a set of linear modules disposed on the ground and a truss (12) disposed on the free end of the linear modules; the extended end of the truss (12) is suspended above the platform of the hydraulic jack (11); the labeling machine (13) is disposed on the truss (12); and a push plate (14) is also disposed on the front surface of the truss (12).

5. A CNC machine tool for plate processing as claimed in claim 1, characterized in that: The machine tool frame (2) is also provided with a positioning unit, the positioning unit comprising a side positioning mechanism (10) arranged on another side end surface of the machine tool frame (2), a front positioning mechanism (9) arranged in the middle of the unpowered roller (3), and a clamping jaw positioning mechanism (15) arranged on a side end surface of a clamping portion of the clamping jaw unit (4).

6. A CNC machine tool for plate processing as claimed in claim 1, characterized in that: The punching unit (5) comprises two groups of gantries (51) arranged above the middle unpowered roller (3), one of the gantries (51) being provided with a linear module, a free end of the linear module being provided with a punching beam arm (52), a front punching mechanism (53) and a back punching mechanism (54) being provided above and below the punching beam arm (52), and a protective cover shell (55) being provided outside the punching unit (5).

7. A CNC machine tool for plate processing as claimed in claim 1, characterized in that: The punching unit (5) further comprises a plurality of groups of material pressing components (56) arranged on the front and rear groups of gantries (51), each group of the material pressing components (56) comprising a group of cylinders, the main bodies of the cylinders being fixed to the lower surface of the gantries (51) by screws, the driving ends of the cylinders being connected to a flange plate (561), a wheel plate (562) being arranged below the flange plate (561), a plurality of groups of pressing wheels (553) being rotatably arranged on the wheel plate (562), and the wheel plate (562) being fixedly connected to the flange plate (561) by bolts.

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