Machine and method for directly producing plates in granite mine

Abstract

The invention discloses a machine and a method for directly producing plates in a granite mine. The machine is provided with a plurality of saw blade main machines (0.8 m, 1.2 m, 1.5 m and 1.7 m) which are sequentially arranged according to the size and have different diameters, and each main machine is provided with a hydraulic lifting device for adjusting the cutting depth; a transverse walking and longitudinal guide rail structure is arranged to realize flexible movement of the host; the ore body platform is provided with a tool return groove structure with the depth larger than 1.3 m, and plates are machined in two layers. A bottom cutting machine and an automatic polishing machine are further arranged. The use method comprises the following steps: firstly, forming a tool return groove and separating ore body strips on an ore body platform; after the machine is installed, a four-step method is adopted for cutting, namely saw blades with different diameters are used for cutting according to specific depths in sequence; after cutting is completed, a bottom cutting machine performs horizontal bottom cutting; feeding the rough plate into an automatic polishing machine, and adjusting parameters according to the material and the thickness for polishing; and finally, packaging and loading after detection is qualified. According to the invention, plates can be directly produced in mines, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of granite mine plate production equipment and method, especially a kind of directly on granite ore body plate cutting and processing ultra-large equipment and its working method. BACKGROUND

[0002] With the adjustment of the policy of granite mine, large mines, ore body gradually become mainstream, the traditional granite mining and processing method has been difficult to meet the efficient, low-cost production needs.The traditional method needs to be mined in the mine first, then transported to factory for processing, this process has the problems of high cost, low efficiency, raw material waste and environmental pollution. SUMMARY

[0003] The present application aims to provide a kind of directly on granite ore body using coaxial, multi-saw blade, four-step method of equal linear velocity to cut and process the ultra-large equipment and its working method of ore body, to save the traditional mining and transportation links, reduce cost, improve the utilization rate of raw material, improve production efficiency, reduce environmental pollution.

[0004] To achieve the above object, the present application provides the following technical scheme:

[0005] The machine for directly producing plate in granite mine includes multiple equal-diameter saw blade main machines, a horizontal walking device, a longitudinal guide rail and a bottom cutting machine.

[0006] The multiple saw blade main machines are respectively equipped with different-diameter thin saw blades (4.5 mm), including four specifications of 0.8 m, 1.2 m, 1.5 m and 1.7 m, 30-70 equal-diameter thin saw blades can be installed according to the thickness of the plate for each specification of saw blade, and the saw blades are arranged from front to back according to the size of the saw blade; each saw blade main machine is provided with an independent up-down knife feeding device, a main motor, a main shaft, a gearbox and a triangular drive belt.

[0007] Each saw blade main machine is equipped with a hydraulic lifting device, which is composed of a hydraulic cylinder, a hydraulic pump station and an electrical control, and the cutting depth of the saw blade is adjusted by controlling the output pressure, flow and time of the hydraulic pump station.

[0008] The horizontal walking device is sequentially arranged on the cross beam corresponding to the size of the saw blade arranged from front to back, the cross beam is provided with a cross beam guide rail, and the horizontal walking device drives the saw blade main machine to move horizontally and reciprocally on the cross beam on the ore body platform.

[0009] The longitudinal double guide rails are laid on the ore body platform and perpendicular to the multiple cross beams, for guiding the longitudinal movement of the saw blade main machine on the ore body platform, including a longitudinal left guide rail and a longitudinal right guide rail, and the saw blade main machine is provided with a longitudinal walking motor and a positioning locking device.

[0010] The back-gashing is arranged on the ore body platform, with a depth of more than 1.3 meters and a width of 2 meters, and is used for lifting the saw blade of the main machine in the back-gashing;

[0011] The bottom cutting machine comprises a bottom cutting saw blade, a driving motor and a lifting mechanism, the driving motor drives the bottom cutting saw blade to rotate, and the lifting mechanism adjusts the cutting height of the bottom cutting saw blade, and is used for horizontally cutting the bottom after the downward cutting of the main machine saw blade is completed.

[0012] Further, the back-gashing comprises two parallel grooves, the ore body between the grooves is divided into a plurality of strips in the longitudinal direction, each strip has a width of 1.9 meters, is cut by the sawing table, and has a width of about 15 millimeters and a depth of 1.3 meters, so as to process the plate with a conventional size.

[0013] A method for directly producing a plate in a granite mine by using the machine, the method comprises the following steps:

[0014] (1) two back-gashings are first opened on the ore body platform according to the requirements of the equipment, a slotting device is used, the slotting depth is controlled to be greater than 1.3 meters, the width is 2 meters, and the groove wall is ensured to be smooth;

[0015] (2) the ore body in the middle of the back-gashing is cut into a plurality of strips by the sawing table in the longitudinal direction with a width of 1.9 meters and a depth of 1.3 meters;

[0016] (3) two “double guide rails” are installed on the two sides of the cut ore body in parallel, and each “double guide rail” must be horizontal;

[0017] (4) the machine is installed, the small-piece main machine is arranged in front, the large-piece main machine is arranged in back according to the size of the saw blade, and it is ensured that each component is installed firmly and connected normally;

[0018] (5) the “four-step method” is adopted to complete the downward cutting of the plate in the transverse direction: first, the 0.8-meter saw blade is used to cut 25 cm deep, then the 1.2-meter, 1.5-meter and 1.7-meter saw blades are used to cut 20 cm, 15 cm and 5 cm deep respectively along the sawing path cut by the front saw blade; during the cutting process, the cutting condition is monitored in real time to ensure the stability of the cutting;

[0019] (6) after the four main machine saw blades are cut according to the size of 65 cm depth, the bottom cutting machine is started, the height of the bottom cutting saw blade is adjusted, and the bottom is cut horizontally, and the bottom cutting machine is kept moving stably during the cutting process;

[0020] (7) the cut raw plate is sent into the automatic polishing machine by the conveying device for polishing treatment;

[0021] (8) after the bottom cutting is completed, the plate is collected, packaged and loaded, or the polishing process is carried out, and the whole plate processing process is completed.

[0022] Further, in the four-step cutting process, each saw blade host cuts along the previously cut saw path, and is accurately positioned by the positioning device before cutting to ensure the accuracy and efficiency of cutting.

[0023] Further, when the bottom cutting machine cuts horizontally, it should ensure that the cutting surface is flat, and the bottom cutting saw blade is calibrated before cutting, and the cutting height size is observed in real time during the cutting process.

[0024] Further, when the automatic polishing machine polishes the rough plate, the polishing parameters should be adjusted according to the material and thickness of the plate to ensure the polishing effect.

[0025] The beneficial effects of the present application are:

[0026] 1. The step of exploiting raw materials is omitted, and the cost is reduced by about 15%.

[0027] 2. No need to leave plate bottom support raw material, save raw materials about 12%.

[0028] 3. Adopting thin sheet, "equal linear velocity" technology, improve production efficiency, reduce the comprehensive cost of processing about 8%.

[0029] 4. Realize "mine, factory" integration, reduce the link of wind drill drilling and opening raw materials, greatly reduce the dust pollution. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the front view of the machine of the present application;

[0031] Figure 2 It is the top view of the machine of the present application;

[0032] Figure 3 It is the right view of the machine of the present application;

[0033] Figure 4 It is Figure 1 The enlarged view of A (longitudinal guide rail) in the middle;

[0034] Figure 5 It is Figure 3 The enlarged view of B (longitudinal walking motor) in the middle;

[0035] Figure 6 It is the schematic diagram of the machine of the present application which can install 30-70 thin saw blade hosts. DETAILED DESCRIPTION

[0036] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0037] In the description of the embodiments of the present application, "a plurality of" represents at least 2.

[0038] In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly specified and limited, if the terms "arrange", "mount", "connect", "connect" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The present application provides a machine for directly producing slabs in a granite mine, comprising a plurality of saw blade main machines 1, a transverse walking device 2, a longitudinal double guide rail 3, a bottom cutting machine;

[0040] The plurality of saw blade main machines 1 are respectively provided with saw blades 5 of different diameters, including four specifications of 0.8 meters, 1.2 meters, 1.5 meters and 1.7 meters, and arranged in order from front to back according to the size of the saw blade; each of the saw blade main machines 1 is provided with an independent up-down knife feeding device 6, a main motor 7, a main shaft 8, a gearbox 9 and a triangular drive belt 10;

[0041] Each of the saw blade main machines 1 is provided with a hydraulic lifting device 11, which is composed of a hydraulic cylinder and a hydraulic pump station, and the cutting depth of the saw blade is adjusted by controlling the output pressure flow and time of the hydraulic pump station;

[0042] The transverse walking device 2 is sequentially arranged on the cross beam 12 corresponding to the size of the saw blade 5 arranged from front to back, the cross beam guide rail 13 is arranged on the cross beam 12, and the transverse walking device 2 drives the cross beam 12 on the ore body platform 100 to move transversely and reciprocally;

[0043] The longitudinal double guide rail 3 is laid on the ore body platform 100 and perpendicular to the plurality of cross beams 12, used for guiding the longitudinal movement of the saw blade main machine 1 on the ore body platform 100, comprising a longitudinal left guide rail 14 and a longitudinal right guide rail 15, and the saw blade main machine 1 is provided with a longitudinal walking motor 16 and a positioning locking device 17;

[0044] The back-gashing groove 4 is arranged on the ore body platform 100, with a depth greater than 1.3 meters and a width of 2 meters, and is used for lifting and feeding when the main machine saw blade is empty. The back-gashing groove 4 includes two parallel grooves, and the ore body between the grooves is divided into several strips in the longitudinal direction. Each strip is divided by a sawing platform, with a width of about 1.9 meters and a depth of about 1.3 meters.

[0045] The bottom cutting machine includes a bottom cutting saw blade, a driving motor and a lifting mechanism. The driving motor drives the bottom cutting saw blade to rotate, and the lifting mechanism adjusts the cutting height of the bottom cutting saw blade, which is used for horizontal cutting of the bottom after the vertical cutting of the main machine saw blade is completed.

[0046] As shown in Figure 6 The saw blade lifting assembly 18 and the bearing seat 19 are also included, and the saw blade 5 in the figure is an equal-diameter thin saw blade (30-70 saw blades).

[0047] The device abandons the traditional production method of first mining (producing rough materials) and then transporting to the factory for processing into plates, and directly installs the device on the ore body platform after mining on the platform reaches a certain area (longer than 100 meters and wider than 60 meters) to produce plates. The specific method is as follows:

[0048] (1) First, two "back-gashing grooves" with a width of 2 meters and a depth greater than 1.3 meters are opened on the platform according to the requirements of the device; one groove can be processed in two layers (each layer is about 0.65 meters high); then the ore body in the middle of the back-gashing groove is cut by a sawing platform and divided into several strips in the longitudinal direction, with a width of 1.9 meters and a depth of 1.3 meters. The size of the plate processed in this way is about 1.9X0.65 square meters of general plate;

[0049] (2) The machine is directly installed, and the saw blades are installed in order according to their sizes: small pieces in front and large pieces in back; the diameter of small pieces is 0.8 meters, the diameter of small and medium pieces is 1.2 meters, the diameter of large and medium pieces is 1.5 meters, and the diameter of large pieces is 1.7 meters;

[0050] (3) The small and large piece machines cut vertically from shallow to deep in order; after cutting the first layer, the four main machines return and cut the second layer; the "four-step method" completes the horizontal downward cutting of the plate.

[0051] ①First, the 0.8-meter saw blade of the 1# machine cuts about 25Cm deep, and after the cutting is completed, the machine moves longitudinally by 1.4 meters to continue cutting forward;

[0052] ②The 1.2-meter saw blade of the 2# machine is aligned with the cut saw path of the 1# machine, and cuts downward by about 20Cm deep;

[0053] ③The 1.5-meter saw blade of the 3# machine continues to cut downward by about 15Cm deep along the cut saw path of the 2# machine;

[0054] ④The 1.7-meter saw blade of the 4# machine cuts downward by about 5Cm deep along the cut saw path of the 3# machine.

[0055] (4) Four main machine saws are sequentially cut according to the size of the depth of 65cm, and then the bottom is cut horizontally by a bottom cutting machine, and the rough board enters the next process;

[0056] (5) After the board is polished by the automatic polishing machine, it is packed and loaded into a vehicle (the entire board processing process is completed).

[0057] In summary, the machine and method for directly producing a board in a granite mine of the present application directly cuts and processes the board on the ore body through a super-large equipment beam with a length of 24 meters, thereby omitting the traditional steps of mining and transporting the raw material, reducing the cost, improving the efficiency, and reducing the environmental pollution.

[0058] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the purpose of the present application, similar structural modes and embodiments are not designed creatively, and all should belong to the protection scope of the present application.

Claims

1. A machine for producing slabs directly in granite mines, characterized by: It includes multiple main machines with equal diameter saw blades, a transverse travel device, longitudinal double guide rails, a bottom cutting machine and an automatic polishing machine; The plurality of saw blade main machines are respectively equipped with saw blades of different diameters, including four specifications of 0.6-0.8 meters, 1.2 meters, 1.5 meters and 1.7 meters, and are arranged from front to back according to the size of the saw blades; each of the saw blade main machines is equipped with an independent saw blade of equal diameter, an upper and lower feed and retract device, a main motor, a main shaft, a gearbox, a V-drive belt and a transverse reciprocating motion device; Each of the saw blade mainframes is equipped with a hydraulic lifting device, which consists of a hydraulic cylinder, a hydraulic pump station and an electronic control system. The cutting depth of the saw blade is adjusted by controlling the output pressure, flow and time of the hydraulic pump station. The transverse walking device is sequentially arranged on the beams corresponding to the size of the saw blades arranged from front to back, and the beam guide rail is provided on the beam. The transverse walking device drives the saw blade host to move back and forth horizontally on the beam on the ore body platform for cutting; The longitudinal double guide rails are laid on the ore platform and are perpendicular to the multiple cross beams, and are used to guide the saw blade main unit to move longitudinally on the ore platform. They include a longitudinal left track and a longitudinal right track. The saw blade main unit is equipped with a longitudinal travel motor and a positioning locking device. The return knife groove is set on the ore body platform, with a depth greater than 1.3 meters and a width of 2 meters, and is used for feeding the saw blade when the main machine is idle and processing the plate in two layers; The bottom cutting machine includes a bottom cutting saw blade, a driving motor and a lifting mechanism. The driving motor drives the bottom cutting saw blade to rotate, and the lifting mechanism adjusts the cutting height of the bottom cutting saw blade, which is used for horizontal bottom cutting after the main saw blade completes downward cutting.

2. A method for producing slabs directly in a granite mine using the machine according to claim 1, characterized in that: The method comprises the following steps: (1) Open two return grooves on the ore platform according to the equipment requirements. Use the groove opening equipment to control the groove depth to be greater than 1.3 meters and the width to be about 2 meters, and ensure that the groove wall is flat; (2) Use a saw to cut the ore body in the middle of the return groove into several strips of about 1.9 meters and 1.3 meters deep. The width of the cutting line is 15 mm and the depth is 1.3 meters. (3) Install the "double guide rails" on both sides of the cut ore body in parallel, and require that each "double guide rail" must be horizontal; (4) Install the machine, arrange the small blade main unit in front and the large blade main unit in the back according to the size of the saw blade, and ensure that all components are firmly installed and connected properly; (5) The "four-step method" is used to complete the horizontal downward cutting of the plate: first, the 0.8-meter saw blade cuts to a depth of 25 cm, and then the 1.2-meter, 1.5-meter, and 1.7-meter saw blades are aligned with the previously cut saw path in turn, cutting to depths of 20 cm, 15 cm, and 5 cm respectively; during the cutting process, the cutting situation is monitored in real time to ensure stable cutting; (6) After the four main saw blades have completed cutting in sequence according to the required depth of 65 cm, start the bottom cutter, adjust the height of the bottom cutter blade, and perform horizontal bottom cutting. Keep the bottom cutter moving steadily during the bottom cutting process; (7) The cut rough board is sent to the automatic polishing machine through the conveying device for polishing; (8) After polishing, the plate is inspected using quality inspection tools. If qualified, it is packaged and loaded onto the truck, completing the entire plate processing process.

3. The method according to claim 2, wherein: During the "four-step" cutting process, each saw blade main unit cuts along the saw path cut by the previous one, and is precisely positioned by a positioning device before cutting to ensure the accuracy and efficiency of the cutting.

4. The method according to claim 2, wherein: When the bottom cutting machine cuts the bottom horizontally, it should ensure that the cutting surface is flat, calibrate the bottom cutting saw blade before cutting the bottom, and observe the cutting surface condition in real time during the bottom cutting process for subsequent polishing.

5. The method according to claim 2, wherein: When the automatic polishing machine is polishing the rough plate, the polishing parameters should be adjusted according to the material and thickness of the plate to ensure the polishing effect.

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