Feeding mechanism for 3D printing spindle head of double-spindle machine tool

Abstract

The utility model discloses a feeding mechanism for a 3D (three-dimensional) printing spindle head of a double-spindle machine tool, which comprises a protective cover which is formed by fixedly connecting peripheral side plates and a top plate, and a manipulator inlet / outlet arranged in the middle of the right side plate is communicated with a discharge hole arranged in the front side plate; one end of the conveying mechanism is arranged at the mechanical arm inlet and outlet, and the other end of the conveying mechanism extends outwards to penetrate through the feeding port and is arranged on the outer side of the protective cover; the fixing mechanisms are fixedly arranged on the conveying mechanism according to a rectangular matrix; and the sensing mechanism is used for sensing the materials on the first row of fixing mechanisms close to the mechanical arm inlet and outlet and transmitting signals to the conveying mechanism to enable the conveying mechanism to move forwards by one station. On the basis that the use safety of personnel is ensured, printing materials can be added in time, shutdown and replacement are not needed after the printing materials in the feeding box are completely used up, the replacement efficiency and the use convenience are effectively improved, and the 3D printing spindle head is convenient to replace and receive the printing materials.

Description

Technical Field

[0001] The utility model relates to the technical field of spindle machine tools, in particular to a feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool. Background Art

[0002] A dual-spindle CNC machine tool is a heavy-duty gantry CNC machine tool equipped with a 3D printing spindle head and a milling spindle head. The 3D printing processing of the workpiece is achieved through its 3D printing spindle head, and the milling spindle head is used to grind and finish the 3D printed workpiece, thereby achieving the purpose of quickly processing the workpiece. The 3D printing spindle head is equipped with a corresponding feed box for feeding printing materials. Generally, the feed box is filled vertically with printing materials in advance for the 3D printing spindle head to pick up and replace, or a tray filled with printing materials is placed in the feed box, and a corresponding climbing ladder is provided for personnel to go up and down the feed box, and then replace the printing materials after they are used up. In order to ensure the safety of personnel, it is necessary to wait until the printing materials are completely used up before adding printing materials, which is very troublesome.

[0003] Therefore, on the basis of ensuring the safety of personnel use, the purpose of this utility model is to design a feeding mechanism for the 3D printing spindle head of a dual-spindle machine tool that can add printing materials in a timely manner without having to wait for the printing materials in the feed box to be completely used up before stopping to replace them, thereby effectively improving the replacement efficiency and ease of use, and facilitating the replacement of the 3D printing spindle head and the collection of printing materials. Utility Model Content

[0004] In response to the technical problems existing in the above-mentioned prior art, the present invention provides a feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool, which can effectively solve the technical problems existing in the above-mentioned prior art.

[0005] The technical solution of the utility model is:

[0006] A feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool, comprising:

[0007] The protective cover is fixedly installed on the feed box of the dual-spindle machine tool. The protective cover is composed of four side panels and a top panel. The manipulator inlet and outlet arranged in the middle of the right side panel are connected to the discharge port arranged on the front side panel. The top of the left side panel is provided with a feed port for conveying materials.

[0008] A conveying mechanism, used to convey the printed material to the manipulator discharge port on the right side panel, wherein the conveying mechanism is fixedly installed in the protective cover, and one end of the conveying mechanism is arranged at the manipulator inlet and outlet, and the other end of the conveying mechanism extends outwardly through the feed port and is arranged on the outside of the protective cover;

[0009] A plurality of fixing mechanisms are arranged in a rectangular matrix and fixedly mounted on the conveying mechanism for inserting and fixing printing materials;

[0010] The sensing mechanism is used to sense the materials on the first row of fixing mechanisms close to the inlet and outlet of the manipulator, and transmit the signal to the conveying mechanism to move the conveying mechanism forward one station.

[0011] The transmission mechanism is a chain conveyor belt composed of a group of annular transmission chains arranged at intervals, and a driving shaft and a driven shaft respectively arranged at both ends of the annular transmission chains. The driving shaft is connected to the output end of the corresponding driving motor, and corresponding sprockets are fixedly installed at both ends of the driving shaft and the driven shaft. The sprockets are respectively connected to the corresponding annular transmission chains through the meshing connection between the roller part and the tooth part; corresponding connecting plates are fixedly installed in sequence front and back between the two annular transmission chains, and the fixing mechanism is fixedly installed on the connecting plates at intervals on the left and right.

[0012] A corresponding roller conveyor belt is provided in the middle part of the chain conveyor belt, between the upper and lower belt surfaces. The roller conveyor belt is driven by a corresponding motor and a reducer, and has the same transmission direction as the chain conveyor belt. The roller conveyor belt includes a plurality of rollers arranged to rotate side by side, and the rollers are connected to each other and to the corresponding power motor by corresponding gears and chains.

[0013] The fixing mechanism is a positioning cylinder with an open top. The positioning cylinders are fixedly installed on the connecting plate at intervals on the left and right sides, and the bottoms of the positioning cylinders extend downward to the bottom of the connecting plate.

[0014] The bottoms of the positioning cylinders are respectively arranged tangentially to the tops of the corresponding rollers, and the width of the positioning cylinders is not less than the diameter of the rollers.

[0015] The chain conveyor belt and the roller conveyor belt are respectively supported by corresponding brackets.

[0016] The sensing mechanism is an infrared sensor or a camera installed above the first row of fixing mechanisms close to the inlet and outlet of the manipulator.

[0017] Advantages of this utility model:

[0018] 1) While ensuring the safety of personnel, the utility model can timely add printing materials without waiting for the printing materials in the supply box to be completely used up before stopping to replace them, effectively improving the replacement efficiency and ease of use, and making it easier for the 3D printing spindle head to replace and receive printing materials.

[0019] 2) The present invention utilizes a conveying mechanism to convey materials, and the robot does not need to reach deep into the interior of the protective cover to clamp the materials. On the basis of ensuring the smoothness and convenience of the transfer of printing materials in and out, the protective sealing of the printing materials is improved, and the operating stroke of the robot is shortened and simplified; and personnel can directly add printing materials in time on the outside of the protective cover, and automatically feed the materials according to the material on the first row of positioning mechanisms. There is no need to wait for the printing materials to be completely used up before stopping to replace them. Feeding is more convenient and replenishment is more timely.

[0020] 3) The utility model is used for plugging, fixing and transmitting printing materials through a fixing mechanism composed of a positioning cylinder and a transmission mechanism composed of a chain conveyor belt. The chain conveyor belt is composed of a connecting plate connecting two annular conveyor chains, which can not only improve the supporting force of the belt surface of the conveyor belt to ensure the installation stability of the positioning cylinder; on this basis, the utility model installs corresponding roller conveyor belts between the belt surfaces of the chain conveyor belts, and the roller conveyor belt and the chain conveyor belt are respectively supported by corresponding brackets. The top of the roller of the roller conveyor belt is tangent to the bottom of the positioning cylinder, and the positioning cylinder is further supported by the roller conveyor belt to improve the stability of the positioning cylinder and the ability to carry materials; and by setting the width of the positioning cylinder to be not less than the diameter of the roller, it is ensured that there are always rollers to support the positioning cylinder during the transmission process.

[0021] 4) The utility model installs an infrared sensor or camera above the first row of fixing mechanisms near the inlet and outlet of the robot. When it senses that there is no material, the signal transmission mechanism moves forward one station to replenish the material, thereby effectively shortening the stroke of the robot. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the present utility model.

[0023] Figure 2 It is a structural diagram of the roller conveyor belt and conveying mechanism.

[0024] Figure 3 This is a schematic diagram of the use state of the utility model.

[0025] Figure 4 for Figure 3 Enlarged schematic diagram of part A.

[0026] In the accompanying drawings: protective cover 1, robot inlet and outlet 101, discharge port 102, feed port 103, roller conveyor belt 2, roller 201, conveying mechanism 3, connecting plate 301, driving shaft 302, driven shaft 303, driving motor 304, ring conveyor chain 305, fixing mechanism 4, induction mechanism 5. DETAILED DESCRIPTION

[0027] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the following embodiments and accompanying drawings:

[0028] refer to Figure 1-4 , a feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool, comprising:

[0029] The protective cover 1 is fixedly mounted on the feed box of the dual-spindle machine tool. The protective cover 1 is composed of four side panels and a top panel. The manipulator inlet and outlet 101 provided in the middle of the right side panel is connected to the discharge port 102 provided on the front side panel. The top of the left side panel is provided with a feed port 103 for conveying materials.

[0030] The conveying mechanism 3 is used to convey the printing material to the manipulator discharge port 102 on the right side panel. The conveying mechanism 3 is fixedly installed in the protective cover 1, and one end of the conveying mechanism 3 is arranged at the manipulator inlet and outlet 101, and the other end extends outward through the feed port 103 and is arranged on the outside of the protective cover 1;

[0031] A plurality of fixing mechanisms 4 are arranged in a rectangular matrix and fixedly mounted on the conveying mechanism 3 for inserting and fixing printing materials;

[0032] The sensing mechanism 5 is used to sense the material on the first row of fixing mechanisms 4 near the manipulator inlet and outlet 101, and transmit the signal to the conveying mechanism 3 to move the conveying mechanism 3 forward one station.

[0033] On the basis of ensuring the safety of personnel use, the utility model can timely add printing materials, and there is no need to wait for the printing materials in the supply box to be completely used up before stopping to replace them, which effectively improves the replacement efficiency and convenience of use, and is convenient for the 3D printing spindle head to replace and receive printing materials.

[0034] The transmission mechanism 3 is a chain conveyor belt consisting of a group of annular transmission chains 305 arranged at intervals, and a driving shaft 302 and a driven shaft 303 respectively arranged at both ends of the annular transmission chain 305. The driving shaft 302 is connected to the output end of the corresponding driving motor 304. The two ends of the driving shaft 302 and the driven shaft 303 are respectively fixedly installed with corresponding sprockets, and the sprockets are respectively connected to the corresponding annular transmission chains 305 through the meshing connection between the roller part and the tooth part; the corresponding connecting plates 301 are fixedly installed in sequence front and back between the two annular transmission chains 305, and the fixing mechanism 4 is fixedly installed on the connecting plates 301 at intervals on the left and right.

[0035] The utility model utilizes a conveying mechanism 3 to convey materials. The manipulator does not need to reach deep into the interior of the protective cover 1 to clamp the materials. On the basis of ensuring the smoothness and convenience of the transmission of printing materials in and out, the protective sealing of the printing materials is improved, and the operation stroke of the manipulator is shortened and simplified. Moreover, personnel can directly add printing materials in time on the outside of the protective cover 1, and automatically feed the materials according to the material on the first row of positioning mechanisms. There is no need to wait for the printing materials to be completely used up before stopping to replace them. Feeding is more convenient and replenishment is more timely.

[0036] A corresponding roller conveyor belt 2 is provided in the middle of the chain conveyor belt, between the upper and lower belt surfaces. The roller conveyor belt 2 is driven by a corresponding motor and a reducer, and has the same transmission direction as the chain conveyor belt. The roller conveyor belt 2 includes a plurality of rollers 201 arranged to rotate side by side, and the rollers 201 are connected to each other and to the corresponding power motors by corresponding gears and chains.

[0037] The fixing mechanism 4 is a positioning cylinder with an open top. The positioning cylinders are fixedly installed on the connecting plate 301 at intervals on the left and right, and the bottoms of the positioning cylinders extend downward to the bottom of the connecting plate 301.

[0038] The bottoms of the positioning cylinders are respectively tangentially arranged with the tops of the corresponding rollers 201 , and the width of the positioning cylinders is not less than the diameter of the rollers 201 .

[0039] The present invention is used to plug, fix and transmit printing materials through a fixing mechanism 4 composed of a positioning cylinder and a conveying mechanism 3 composed of a chain conveyor belt. The chain conveyor belt is composed of a connecting plate 301 connected between two circular conveyor chains 305, which can not only improve the supporting force of the belt surface of the conveyor belt to ensure the installation stability of the positioning cylinder; on this basis, the present invention installs corresponding roller 201 conveyor belts 2 between the belt surfaces of the chain conveyor belts, and the roller 201 conveyor belts 2 and the chain conveyor belts are respectively supported by corresponding brackets. The top of the roller 201 of the roller 201 conveyor belt 2 is tangent to the bottom of the positioning cylinder, and then the positioning cylinder is further supported by the roller 201 conveyor belt 2 to improve the stability of the positioning cylinder and the ability to carry materials; and by setting the width of the positioning cylinder to be not less than the diameter of the roller 201, it is ensured that the roller 201 always supports the positioning cylinder during the transmission process.

[0040] The chain conveyor belt and the roller conveyor belt 2 are respectively supported by corresponding brackets.

[0041] The sensing mechanism is an infrared sensor or a camera installed above the first row of fixing mechanisms close to the inlet and outlet of the manipulator.

[0042] The utility model installs an infrared sensor or a camera above the first row of fixing mechanisms 4 near the manipulator inlet and outlet 101. When it senses that there is no material, the signal transmission mechanism 3 is transmitted forward one station to replenish the material, thereby effectively shortening the manipulator's stroke.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool, characterized in that: include: A protective cover (1) is fixedly mounted on a feed box of a dual-spindle machine tool. The protective cover (1) is composed of four side panels and a top panel fixedly connected to each other. A manipulator inlet and outlet (101) provided in the middle of the right side panel is connected to a discharge port (102) provided on the front side panel. A feed port (103) for conveying materials is provided on the top of the left side panel. a conveying mechanism (3) for conveying printed materials to the manipulator discharge port (102) on the right side panel, wherein the conveying mechanism (3) is fixedly mounted in the protective cover (1), and one end of the conveying mechanism is arranged at the manipulator inlet and outlet (101), and the other end of the conveying mechanism extends outwardly through the feed port (103) and is arranged outside the protective cover (1); A plurality of fixing mechanisms (4) are arranged in a rectangular matrix and fixedly mounted on the conveying mechanism (3) for inserting and fixing printing materials; The sensing mechanism (5) is used to sense the material on the first row of fixing mechanisms (4) near the manipulator inlet and outlet (101), and transmit the signal to the conveying mechanism (3) to move the conveying mechanism (3) forward one station.

2. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 1, characterized in that: The transmission mechanism (3) is a chain conveyor belt composed of a group of annular transmission chains (305) arranged at intervals, a driving shaft (302) and a driven shaft (303) respectively arranged at both ends of the annular transmission chains (305), wherein the driving shaft (302) is connected to the output end of the corresponding driving motor (304), and corresponding sprockets are fixedly installed at both ends of the driving shaft (302) and the driven shaft (303), and the sprockets are respectively connected to the corresponding annular transmission chains (305) in a transmission connection mode by meshing a roller portion and a tooth portion; corresponding connecting plates (301) are fixedly installed in sequence between the two annular transmission chains (305), and the fixing mechanism (4) is fixedly installed on the connecting plates (301) at intervals on the left and right.

3. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 2, characterized in that: A corresponding roller conveyor (2) is provided in the middle of the chain conveyor belt, located between the upper and lower belt surfaces. The roller conveyor belt (2) is driven by a corresponding motor and a reducer, and has the same transmission direction as the chain conveyor belt. The roller conveyor belt (2) comprises a plurality of rollers (201) arranged to rotate side by side, and the rollers (201) are connected to each other and to the corresponding power motor by corresponding gears and chains.

4. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 3, characterized in that: The fixing mechanism (4) is a positioning cylinder with an open top, and the positioning cylinders are fixedly installed on the connecting plate (301) at intervals on the left and right, and the bottom of the positioning cylinders extends downward to the bottom of the connecting plate (301).

5. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 4, characterized in that: The bottoms of the positioning cylinders are respectively arranged tangentially to the tops of the corresponding rollers (201), and the width of the positioning cylinders is not less than the diameter of the rollers (201).

6. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 3, characterized in that: The chain conveyor belt and the roller conveyor belt (2) are respectively supported and arranged by corresponding brackets.

7. The feeding mechanism for a 3D printing spindle head of a dual-spindle machine tool according to claim 1, characterized in that: The sensing mechanism is an infrared sensor or a camera installed above the first row of fixing mechanisms close to the inlet and outlet of the manipulator.

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