Automatic feeding device of numerical control machine tool

Abstract

The invention discloses an automatic feeding device of a numerical control machine tool, which comprises a fixed plate, the upper surface of the fixed plate is fixedly connected with a fixed support column, the outer surface of the fixed support column is slidably connected with a movable support column, the upper surface of the fixed plate is rotatably connected with a height adjusting screw rod, and the height adjusting screw rod is in threaded connection with the movable support column; leveling adjusting screws are rotationally connected to the four corners of the upper surface of the movable supporting column, the leveling adjusting screws are in threaded connection with a layer of supporting plate, the overall height is adjusted through height adjusting screws, and therefore the automatic feeding device can be accurately aligned to the feeding end of the numerical control machine tool. The four sets of feeding wheels in the feeding box enable the feeding device to support machined materials, deflection is avoided when the materials rotate, the feeding wheels are adjusted by 90 degrees through the second servo motor, the directions of the feeding wheels are changed during feeding, and feeding is smooth while the materials are supported.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic feeding, and particularly relates to an automatic feeding device for a numerical control machine tool. Background Art

[0002] The automatic feeding device of a numerical control machine tool is a device used to automatically feed workpieces into the machining area of the machine tool. Its appearance is mainly to improve production efficiency and machining accuracy, and reduce the complexity and errors of manual operations. With the development of numerical control technology, the emergence of numerical control machine tools has made the machining process more automated and precise. The application of the automatic feeding device further improves the automation level of the numerical control machine tool.

[0003] The feeding mechanism can automatically feed workpieces into the machining area according to a preset, and can perform operations such as feeding and rotation according to needs, thereby improving the machining efficiency and automation degree of the equipment. It can process various rod-shaped machining materials. The matching of the automatic feeding machine with the numerical control machine tool, the quick adjustment of the corresponding dimensions and angles during installation, and the assistance in machining the numerical control machine tool during automatic operation to improve the stability during workpiece machining still have certain deficiencies in the currently used equipment. For this reason, an automatic feeding device for a numerical control machine tool is proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and provide an automatic feeding device for a numerical control machine tool. By means of the leveling adjustment screw, the automatic feeding device is convenient for adjusting the level of the entire equipment during installation, and through the combined use of a first layer of pallet, a second layer of pallet and a third layer of pallet, the front, back, left and right positions of the automatic feeding device are finely adjusted. The overall height is adjusted by the height adjustment screw to enable the automatic feeding device to achieve precise alignment with the feeding end position of the numerical control machine tool. Four groups of feeding wheels inside the feeding box are used to support the machining material, so as to avoid yaw when the material rotates, and the feeding wheels are adjusted by the second servo motor by 90 degrees to change the direction of the feeding wheels during feeding, making the feeding smooth while supporting the material.

[0005] The present invention also provides an automatic feeding device with the above-mentioned CNC machine tool, comprising: a fixed plate, the upper surface of the fixed plate is fixedly connected to a fixed pillar, the outer surface of the fixed pillar is slidably connected to a movable pillar, the upper surface of the fixed plate is rotatably connected to a height adjustment screw, the height adjustment screw is threadedly connected to the movable pillar, the four corners of the upper surface of the movable pillar are rotatably connected to leveling adjustment screws, the leveling adjustment screw is threadedly connected to a layer of support plate, the upper surface of the first layer of support plate is slidably connected to a second layer of support plate, and the upper surface of the second layer of support plate is slidably connected to a third layer of support plate; a bottom plate, the lower surface of the bottom plate is fixedly connected to the third layer of support plate, the upper surface of the bottom plate is fixedly connected to a feed trough, and the feed trough The left outer surface of the feed trough is fixedly connected to a linear motor seat, the outer surface of the linear motor seat is fixedly connected to a linear motor, the output end of the linear motor is fixedly connected to a push rack, the outer surface of the push rack is fixedly connected to a push plate, the right surface of the feed trough is fixedly connected to a feed table, both ends of the feed table are fixedly connected to side skirt plates, the outer surface of the side skirt plates is fixedly connected to a locking tongue bracket, the outer surface of the locking tongue bracket is fixedly connected to a fourth cylinder, and the output end of the fourth cylinder is fixedly connected to a locking tongue; the upper surface of the feed trough is fixedly connected to a first servo motor, the output end of the first servo motor is fixedly connected to a shaft rod, the outer surface of the shaft rod is fixedly connected to finger shifters on both sides, and the bottom plate A feeding box is fixedly connected to the upper surface, and a feeding wheel is arranged inside the feeding box. There are four groups of feeding wheels in total, and each group of feeding wheels consists of three components. The left and right sides of the interior of the feeding box are fixedly connected with diagonal support brackets; an auxiliary feeding bin 1 is fixedly connected to the upper surface of the bottom plate, and an auxiliary feeding bin 2 is fixedly connected to the upper surface of the bottom plate. The left and right sides of the interiors of the auxiliary feeding bins 1 and 2 are fixedly connected with diagonal support plates, and a fixed seat slide groove is arranged on the upper surface of the diagonal support plate, and an auxiliary guide wheel fixing seat is slidably connected to the upper surface of the diagonal support plate, and the auxiliary guide wheel fixing seat is rotatably connected to the interior of the auxiliary guide wheel fixing seat, and the upper surface of the diagonal support plate is fixedly connected to a first cylinder, and the output end of the first cylinder is connected to The auxiliary guide wheel fixing seat is fixedly connected, the lower surface of the base plate is fixedly connected with a transmission wheel bracket, the inner surface of the transmission wheel bracket is fixedly connected with a second cylinder, the output end of the second cylinder is fixedly connected with a transmission wheel movable seat, the inner surface of the transmission wheel movable seat is rotatably connected with a transmission wheel, and the transmission wheel has a built-in direct-drive servo motor; the lower surface of the base plate is fixedly connected with a feed wheel bracket, the inner surface of the feed wheel bracket is fixedly connected with a U-shaped fixing seat, the interior of the U-shaped fixing seat is fixedly connected with a third cylinder, the output end of the third cylinder is fixedly connected with a U-shaped movable seat, the interior of the U-shaped movable seat is fixedly connected with a second servo motor, and the output end of the second servo motor is fixedly connected with the feed wheel fixing seat.

[0006] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein a feeding table bracket is fixedly connected to the outer surface of the feeding chute, and the upper surface of the feeding table bracket is fixed to the lower surface of the feeding table. By placing the material to be processed on the feeding rack, the device realizes the storage of materials and automatic feeding.

[0007] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein the input end of the first auxiliary feeding bin is fixedly connected to the feeding chute, the output end of the first auxiliary feeding bin is fixedly connected to the input end of the feeding box, the output end of the feeding box is fixedly connected to the input end of the second auxiliary feeding bin, and feeding holes are provided on the outer surfaces of the first auxiliary feeding bin and the second auxiliary feeding bin. Through feeding, the material to be processed enters from the first auxiliary feeding bin and into the feeding box, and then is output from the second auxiliary feeding bin, thereby entering the numerically controlled machine tool for processing and automatic feeding.

[0008] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein a longitudinal adjustment screw is rotatably connected to the upper surface of the first layer of pallet, the longitudinal adjustment screw is threadedly connected to the second layer of pallet, a transverse adjustment screw is rotatably connected to the upper surface of the second layer of pallet, and the transverse adjustment screw is threadedly connected to the third layer of pallet. The front and rear positions of the second layer of pallet are adjusted by the longitudinal adjustment screw, and the left and right positions of the third layer of pallet are adjusted by the transverse adjustment screw.

[0009] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein a box cover is hinged to the upper surface of the feeding box, a handle is fixedly connected to the outer surface of the box cover, and cover plates are fixedly connected to the upper surfaces of the first auxiliary feeding bin and the second auxiliary feeding bin. By opening the box cover, it is convenient to maintain the moving parts inside the feeding box, and by the cover plates, it is convenient to maintain the moving parts inside the first auxiliary feeding bin and the second auxiliary feeding bin.

[0010] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein a solenoid valve is fixedly connected to the upper surface of the arm bottom plate, and the output end of the solenoid valve is connected to the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder respectively through air pipes. The activities of the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder are effectively controlled by the solenoid valve.

[0011] An automatic feeding device for a numerically controlled machine tool according to the present invention, wherein an adjusting nut is fixedly connected to the outer surface of the height adjustment screw, and a spring washer and a locking nut are provided at the threaded connection of the height adjustment screw and the movable support column. After determining the overall height by the height adjustment screw, it is locked by the locking nut to effectively prevent the adjusted position from deviating.

[0012] An automatic feeding device for a numerical control machine tool provided by the present invention. An infrared level is fixedly connected to the surface of the auxiliary feeding bin II through a bracket. A auxiliary installation scale is detachably connected to the outer surface of the bracket. One end of the auxiliary installation scale is fixedly connected to a horizontal target through a bracket. The horizontal target is fixedly connected to the outer surface of the numerical control machine tool through a bracket. It realizes the determination of the position between the automatic feeding device and the numerical control machine tool, facilitating the installation and docking between the two.

[0013] An automatic feeding device for a numerical control machine tool provided by the present invention. A connecting seat is fixedly connected to the upper surface of the feeding chute. The outer surface of the connecting seat is rotatably connected to a shaft rod through a bearing. A protective cover I is detachably connected to the lower surface of the bottom plate, and a protective cover II is detachably connected to the lower surface of the bottom plate. It enables the shaft rod to move effectively, and through the protective cover I, effectively protects the transmission wheel and each component for installing the transmission wheel. Through the protective cover II, effectively protects the feeding wheel installed at the bottom plate position among the three feeding wheels and each component for installing this feeding wheel.

[0014] An automatic feeding device for a numerical control machine tool provided by the present invention. A push frame chute is arranged on the outer surface of the feeding chute. The lower surface of the push frame is slidably connected to the push frame chute through a slider. It enables the push frame to move smoothly when moving, and effectively automatically pushes the material. Beneficial effects

[0015] 1. Compared with the prior art, for an automatic feeding device for a numerical control machine tool of the present invention, through the leveling adjustment screw, it is convenient to adjust the level of the entire device during the installation of the automatic feeding device, and through the combined use of the first layer of pallet, the second layer of pallet, and the third layer of pallet, it realizes the fine adjustment of the position of the automatic feeding device front-back and left-right.

[0016] 2. Compared with the prior art, for an automatic feeding device for a numerical control machine tool of the present invention, through the height adjustment screw, it realizes the adjustment of the overall height, enables the automatic feeding device to achieve precise alignment with the feeding end position of the numerical control machine tool, and through the four groups of feeding wheels inside the feeding box, it realizes the support of the processed material, avoiding the yaw when the material rotates.

[0017] 3. Compared with the prior art, for an automatic feeding device for a numerical control machine tool of the present invention, and through the second servo motor, it realizes the adjustment of the feeding wheel by 90 degrees in azimuth, enabling the change of the direction of the feeding wheel during feeding. While supporting the material, it makes the feeding smooth. Description of the drawings

[0018] The following further illustrates the present invention in conjunction with the drawings and embodiments; Figure 1 It is the overall structure diagram of an automatic feeding device for a numerical control machine tool of the present invention; Figure 2It is the bottom view of an automatic feeding device for a numerical control machine tool of the present invention; Figure 3 It is the top view of an automatic feeding device for a numerical control machine tool of the present invention; Figure 4 It is the schematic diagram of the bottom structure of the feeding bin of an automatic feeding device for a numerical control machine tool of the present invention; Figure 5 It is the schematic diagram of the internal structure of the feeding bin of an automatic feeding device for a numerical control machine tool of the present invention; Figure 6 It is the schematic diagram of the internal structure of the auxiliary feeding bin of an automatic feeding device for a numerical control machine tool of the present invention; Figure 7 It is of an automatic feeding device for a numerical control machine tool of the present invention Figure 6 The enlarged view at position A; Figure 8 It is of an automatic feeding device for a numerical control machine tool of the present invention Figure 5 The enlarged view at position B; Figure 9 It is of an automatic feeding device for a numerical control machine tool of the present invention Figure 4 The enlarged view at position C; Figure 10 It is of an automatic feeding device for a numerical control machine tool of the present invention Figure 3 The enlarged view at position D.

[0019] Legend: Movable support pillar; 2. Fixed support pillar; 3. Fixed plate; 4. Height adjustment screw; 5. Adjusting nut; 6. Leveling adjustment screw; 7. First layer support plate; 8. Second layer support plate; 9. Third layer support plate; 10. Transverse adjustment screw; 11. Longitudinal adjustment screw; 12. Bottom plate; 13. Linear motor seat; 14. Feeding table; 15. First servo motor; 16. Shaft rod; 17. Finger dial; 18. Connecting seat; 19. Feeding groove; 20. Box cover; 21. Handle; 22. Feeding box; 23. Solenoid valve; 24. Auxiliary feeding bin one; 25. Auxiliary feeding bin two; 26. Cover plate; 27. Infrared level; 28. Horizontal target; 29. Auxiliary installation scale; 30. Diagonal brace plate; 31. Auxiliary guide wheel fixing seat; 32. Auxiliary guide wheel; 33. First cylinder; 34. Fixed seat chute; 35. Transmission wheel; 36. Transmission wheel bracket; 37. Transmission wheel movable seat; 38. Second cylinder; 39. Feeding wheel bracket; 40. U-shaped fixing seat; 41. Third cylinder; 42. U-shaped movable seat; 43. Second servo motor; 44. Feeding wheel fixing seat; 45. Protective cover one; 46. Protective cover two; 47. Feeding table bracket; 48. Side skirt plate; 49. Locking tongue bracket; 50. Fourth cylinder; 51. Locking tongue; 52. Linear motor; 53. Pushing frame; 54. Pushing plate; 55. Pushing frame chute; 56. Feeding hole; 57. Diagonal brace bracket; 58. Feeding wheel. Detailed implementation manners

[0020] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The role of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0021] Referring to Figures 1-10 , an automatic feeding device for a numerically controlled machine tool according to an embodiment of the present invention includes: a fixed plate 3 for fixing the automatic feeding device, which is installed on the ground by bolts. A fixed support column 2 is fixedly connected to the upper surface of the fixed plate 3 for providing a supporting function. A chute for slidably connecting with a movable support column 1 is provided on the outer surface of the fixed support column 2. A movable support column 1 is slidably connected to the outer surface of the fixed support column 2. The interior of the movable support column 1 is a hollow structure, and the connection is achieved through the cooperation of the slider provided on the inner wall with the chute on the fixed support column 2 and both have the characteristic of being slidable. A height adjustment screw 4 is rotatably connected to the upper surface of the fixed plate 3 for supporting between the movable support column 1 and the fixed support column 2 and for adjusting the height of the movable support column 1. An adjustment nut 5 is fixedly connected to the outer surface of the height adjustment screw 4 for facilitating the rotation of the height adjustment screw 4. Spring washers and lock nuts are provided at the threaded connection between the height adjustment screw 4 and the movable support column 1. The height adjustment screw 4 is threadedly connected to the movable support column 1. Four corners of the upper surface of the movable support column 1 are respectively rotatably connected with leveling adjustment screws 6 for finely adjusting the level of a first-layer pallet 7 and the above components. The leveling adjustment screws 6 are threadedly connected to the first-layer pallet 7. A second-layer pallet 8 is slidably connected to the upper surface of the first-layer pallet 7 for realizing fine adjustment of the front and rear positions while providing support. A third-layer pallet 9 is slidably connected to the upper surface of the second-layer pallet 8 for realizing fine adjustment of the left and right positions while providing support. A longitudinal adjustment screw 11 is rotatably connected to the upper surface of the first-layer pallet 7 for adjusting the front and rear movement of the second-layer pallet 8. The longitudinal adjustment screw 11 is threadedly connected to the second-layer pallet 8. A transverse adjustment screw 10 is rotatably connected to the upper surface of the second-layer pallet 8 for adjusting the left and right movement of the third-layer pallet 9. The transverse adjustment screw 10 is threadedly connected to the third-layer pallet 9. Among the above components, the fixed plate 3, the movable support column 1, the fixed support column 2, the first-layer pallet 7, the second-layer pallet 8, the third-layer pallet 9, and the height adjustment screw 4, the longitudinal adjustment screw 11, and the transverse adjustment screw 10 are respectively provided with two sets, which are respectively installed at both ends of a bottom plate 12.

[0022] The bottom plate 12 is used for fixing and supporting. The lower surface of the bottom plate 12 is fixedly connected to the three-layer support plate 9. The upper surface of the bottom plate 12 is fixedly connected with a feeding chute 19. The feeding chute 19 is arranged in a V shape, which facilitates the automatic positioning of the material at the bottom of the feeding chute 19 under the action of gravity after feeding. The left outer surface of the feeding chute 19 is fixedly connected with a linear motor base 13 for installing the linear motor 52. The outer surface of the linear motor base 13 is fixedly connected with the linear motor 52 for outputting power to push the material into the auxiliary feeding bin one 24 and achieve effective transmission in the feeding box 22. The output end of the linear motor 52 is fixedly connected with a pushing frame 53 for installing the pushing plate 54. The outer surface of the pushing frame 53 is fixedly connected with the pushing plate 54. The shape of the lower end of the pushing plate 54 matches the internal shape of the feeding chute 19 for pushing the material inside the feeding chute 19. The right surface of the feeding chute 19 is fixedly connected with a feeding platform 14 for temporarily storing the material. Both ends of the feeding platform 14 are fixedly connected with side skirt plates 48 for providing protection on both sides and making the material arranged in an orderly manner for easy feeding. The outer surface of the side skirt plate 48 is fixedly connected with a locking tongue bracket 49 for installing the fourth cylinder 50 and the locking tongue 51. The outer surface of the locking tongue bracket 49 is fixedly connected with the fourth cylinder 50 to provide power for the locking tongue 51. The output end of the fourth cylinder 50 is fixedly connected with the locking tongue 51 for blocking the material. The locking tongue 51 is slidably connected with the locking tongue bracket 49, and the locking tongue 51 passes through the side skirt plate 48 and its head moves on the upper surface of the feeding platform 14. The upper surface of the feeding chute 19 is fixedly connected with a first servo motor 15 to provide power for the rotation of the shaft rod 16. By controlling the first servo motor 15, it is set to reciprocate within a fixed angle to enable the material blocked by the finger dial 17 to fall out of the blocking range of the finger dial 17 and into the feeding chute 19. At the same time, the first servo motor 15 rotates back to bring the finger dial 17 back to the initial position for blocking and feeding the next material to be processed. The output end of the first servo motor 15 is fixedly connected with a shaft rod 16 for installing the finger dial 17 and driving the finger dial 17 to move. The left and right sides of the outer surface of the shaft rod 16 are fixedly connected with finger dials 17 for stopping and feeding the material to be processed. The upper surface of the bottom plate 12 is fixedly connected with a feeding box 22 for feeding and assisting in the processing of the material. The inside of the feeding box 22 is provided with feeding wheels 58 for assisting in the feeding of the material and supporting the material during processing to make it stable when rotating at high speed and avoid jitter. There are a total of four groups of feeding wheels 58, and each group of feeding wheels 58 consists of three. Both the left and right sides inside the feeding box 22 are fixedly connected with inclined support brackets 57 for installing two of the three feeding wheels 58 installed inside the feeding box 22. The function of the inclined support brackets 57 is to stably contact the outer surface of the feeding wheels 58 and the material being processed and achieve effective operation.

[0023] The upper surface of the bottom plate 12 is fixedly connected with an auxiliary feeding bin 24 for auxiliary feeding of materials. The upper surface of the bottom plate 12 is fixedly connected with an auxiliary feeding bin 25. The left and right sides of the inner parts of the auxiliary feeding bin 24 and the auxiliary feeding bin 25 are fixedly connected with diagonal support plates 30. When the auxiliary guide wheel 32 is working, the working surface is in stable contact with the outer surface of the material being processed and effective operation is achieved. The upper surface of the diagonal support plate 30 is provided with a fixed seat slide groove 34 to provide sliding conditions for the auxiliary guide wheel fixing seat 31. The upper surface of the diagonal support plate 30 is slidably connected with an auxiliary guide wheel fixing seat 31 for installing the auxiliary guide wheel 32. The internal rotation of the auxiliary guide wheel fixing seat 31 is connected with the auxiliary guide wheel 32 for auxiliary feeding. The diagonal support plate A first cylinder 33 is fixedly connected to the upper surface of 30 for outputting power to move the auxiliary guide wheel 32. The output end of the first cylinder 33 is fixedly connected to the auxiliary guide wheel fixing seat 31. A transmission wheel bracket 36 is fixedly connected to the lower surface of the base plate 12 for installing the transmission wheel 35. The inner surface of the transmission wheel bracket 36 is fixedly connected to the second cylinder 38 for providing movable power for the transmission wheel 35. The output end of the second cylinder 38 is fixedly connected to a transmission wheel movable seat 37 for installing the transmission wheel 35. The inner surface of the transmission wheel movable seat 37 is rotatably connected to the transmission wheel 35. The transmission wheel 35 has a built-in direct-drive servo motor for transmitting processed materials. The power output by the direct-drive servo motor enables the transmission wheel 35 to feed materials.

[0024] The lower surface of the bottom plate 12 is fixedly connected with a feed wheel bracket 39 for installing a feed wheel 58. The inner surface of the feed wheel bracket 39 is fixedly connected with a U-shaped fixed seat 40 for installing a third cylinder 41 and is connected to a U-shaped movable seat 42 through a sliding connection to provide a movable space for the third cylinder 41. The inside of the U-shaped fixed seat 40 is fixedly connected with a third cylinder 41 for outputting power. The output end of the third cylinder 41 is fixedly connected with a U-shaped movable seat 42 for movement. The inside of the U-shaped movable seat 42 is fixedly connected with a second servo motor 43 for outputting power. The output end of the second servo motor 43 is fixedly connected with a feed wheel fixed seat 44 for installing a feed wheel 58 to provide rotation conditions for the feed wheel 58. The upper surface of the bottom plate 12 is fixedly connected with a solenoid valve 23 for controlling the output and cutoff of airflow. The output end of the solenoid valve 23 is respectively connected to the first cylinder 33, the second cylinder 38, the third cylinder 41, and the fourth cylinder 50 through an air pipe.

[0025] The outer surface of the feed chute 19 is fixedly connected with a feed table support 47 for support, and the upper surface of the feed table support 47 is fixedly connected with the lower surface of the feed table 14. The input end of the first auxiliary feed bin 24 is fixedly connected with the feed chute 19, the output end of the first auxiliary feed bin 24 is fixedly connected with the input end of the feed box 22, and the output end of the feed box 22 is fixedly connected with the input end of the second auxiliary feed bin 25. The outer surfaces of the first auxiliary feed bin 24 and the second auxiliary feed bin 25 are both provided with feed holes 56 for the input of materials. The upper surface of the feed box 22 is hinged with a box cover 20 for protecting the internal components of the feed box 22, and the outer surface of the box cover 20 is fixedly connected with a handle 21. The upper surfaces of the first auxiliary feed bin 24 and the second auxiliary feed bin 25 are both fixedly connected with cover plates 26 for protecting the internal components of the first auxiliary feed bin 24 and the second auxiliary feed bin 25.

[0026] The surface of the second auxiliary feed bin 25 is fixedly connected with an infrared level 27 through a bracket for determining the horizontal position. The outer surface of the bracket is detachably connected with an auxiliary installation scale 29, which is used for the determination and reference of the position during the docking installation of the equipment with the numerical control machine tool and is removed after the position is determined. One end of the auxiliary installation scale 29 is fixedly connected with a horizontal target 28 through a bracket, which is installed on the numerical control machine tool and used in cooperation with the infrared level 27 to determine whether the position alignment is deviated, providing a reference for the rapid adjustment of the position. The horizontal target 28 is fixedly connected to the outer surface of the numerical control machine tool through a bracket.

[0027] The upper surface of the feed chute 19 is fixedly connected with a connecting seat 18 for installing the shaft rod 16 to enable it to rotate. The outer surface of the connecting seat 18 is rotationally connected with the shaft rod 16 through a bearing. The lower surface of the bottom plate 12 is detachably connected with a first protective cover 45 to provide protection, and the lower surface of the bottom plate 12 is detachably provided with a second protective cover 46 to provide protection. The outer surface of the feed chute 19 is provided with a push frame chute 55, and the lower surface of the push frame 53 is slidably connected with the push frame chute 55 through a slider.

[0028] Working principle: Install the movable support column 1 on the fixed support column 2 and threadedly connect it with the movable support column 1 through the height adjustment screw 4 installed on the fixed plate 3. Install the bottom of the fixed support column 2 on the fixed plate 3. Install the leveling adjustment screw 6 on the movable support column 1, and install a layer of support plate 7 on the leveling adjustment screw 6. Install the second-layer support plate 8 on the first-layer support plate 7, install the third-layer support plate 9 on the second-layer support plate 8, install the bottom plate 12 on the third-layer support plate 9, install the feed chute 19 on the bottom plate 12, and install the linear motor 52 on the feed chute 19 through the linear motor seat 13. Through the push frame 53 installed on the linear motor 52, use the slider to install it on the push frame chute 55, and install the push plate 54 on the push frame 53.

[0029] The feeding table 14 is installed on the feeding chute 19 through the feeding table bracket 47. The side skirt plates 48 are installed on both sides of the feeding table 14, and the locking tongues 51 are installed on the side skirt plates 48 through the locking tongue brackets 49. The fourth cylinder 50 installed on the locking tongue bracket 49 provides the power for the front-back telescoping of the locking tongues 51 to block and release the workpieces to be processed placed on the feeding table 14. The connecting seat 18 is installed on the feeding chute 19, the shaft rod 16 is installed on the connecting seat 18, and the finger dial 17 is installed on the shaft rod 16.

[0030] The feeding box 22 is installed on the bottom plate 12. The diagonal support brackets 57 are installed on the left and right sides of the feeding box 22. Two of the three feeding wheels 58 are respectively installed on the diagonal support brackets 57 through the U-shaped fixing seats 40, U-shaped movable seats, the third cylinder 41, the second servo motor 43 and the feeding wheel fixing seats 44, and the other one is installed on the bottom plate 12 through the feeding wheel bracket 39. The auxiliary feeding bin I 24 and the auxiliary feeding bin II 25 are respectively installed on the bottom plate 12. The conveyor wheels 35 are respectively installed on the bottoms of the auxiliary feeding bin I 24 and the auxiliary feeding bin II 25 through the conveyor wheel brackets 36, conveyor wheel movable seats 37 and the second cylinder 38. The diagonal support plates 30 are respectively installed in the auxiliary feeding bin I 24 and the auxiliary feeding bin II 25. The auxiliary guide wheel fixing seats 31, auxiliary guide wheels 32 and the first cylinder 33 are installed on the diagonal support plates 30. The infrared level 27 is installed on the auxiliary feeding bin II 25 through a bracket, and the horizontal target 28 is installed on the numerically controlled machine tool through a bracket for easy installation.

[0031] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. An automatic feeding device for a numerically controlled machine tool, characterized in that, Comprising: A fixed plate (3), on the upper surface of the fixed plate (3) is fixedly connected with a fixed support column (2), on the outer surface of the fixed support column (2) is slidably connected with a movable support column (1), on the upper surface of the fixed plate (3) is rotatably connected with a height adjustment screw rod (4), the height adjustment screw rod (4) is threadedly connected with the movable support column (1), at the four corners of the upper surface of the movable support column (1) are rotatably connected with leveling adjustment screw rods (6), the leveling adjustment screw rods (6) are threadedly connected with a first-layer support plate (7), on the upper surface of the first-layer support plate (7) is slidably connected with a second-layer support plate (8), and on the upper surface of the second-layer support plate (8) is slidably connected with a third-layer support plate (9); A bottom plate (12), the lower surface of the bottom plate (12) is fixedly connected with the third-layer support plate (9), on the upper surface of the bottom plate (12) is fixedly connected with a feed chute (19), on the left outer surface of the feed chute (19) is fixedly connected with a linear motor base (13), on the outer surface of the linear motor base (13) is fixedly connected with a linear motor (52), the output end of the linear motor (52) is fixedly connected with a push frame (53), on the outer surface of the push frame (53) is fixedly connected with a push plate (54), on the right surface of the feed chute (19) is fixedly connected with a feed table (14), at both ends of the feed table (14) are fixedly connected with side skirt plates (48), on the outer surface of the side skirt plates (48) is fixedly connected with a locking tongue bracket (49), on the outer surface of the locking tongue bracket (49) is fixedly connected with a fourth cylinder (50), and the output end of the fourth cylinder (50) is fixedly connected with a locking tongue (51); On the upper surface of the feed chute (19) is fixedly connected with a first servo motor (15), the output end of the first servo motor (15) is fixedly connected with a shaft rod (16), on the left and right sides of the outer surface of the shaft rod (16) are fixedly connected with finger paddles (17), on the upper surface of the bottom plate (12) is fixedly connected with a feeding box (22), inside the feeding box (22) is provided with feeding wheels (58), there are a total of four groups of the feeding wheels (58), and each group of the feeding wheels (58) is composed of three, on the left and right sides inside the feeding box (22) are fixedly connected with diagonal support brackets (57); The upper surface of the bottom plate (12) is fixedly connected with a first auxiliary feeding bin (24), and the upper surface of the bottom plate (12) is fixedly connected with a second auxiliary feeding bin (25). The left and right sides inside the first auxiliary feeding bin (24) and the second auxiliary feeding bin (25) are fixedly connected with inclined support plates (30). The upper surface of the inclined support plate (30) is provided with a fixed seat sliding groove (34). An auxiliary guide wheel fixing seat (31) is slidably connected to the upper surface of the inclined support plate (30). An auxiliary guide wheel (32) is rotatably connected inside the auxiliary guide wheel fixing seat (31). A first cylinder (33) is fixedly connected to the upper surface of the inclined support plate (30). The output end of the first cylinder (33) is fixedly connected with the auxiliary guide wheel fixing seat (31). A conveyor wheel support (36) is fixedly connected to the lower surface of the bottom plate (12). A second cylinder (38) is fixedly connected to the inner surface of the conveyor wheel support (36). The output end of the second cylinder (38) is fixedly connected with a conveyor wheel movable seat (37). A conveyor wheel (35) is rotatably connected to the inner surface of the conveyor wheel movable seat (37). The conveyor wheel (35) is internally provided with a direct drive servo motor; A feed wheel support (39) is fixedly connected to the lower surface of the bottom plate (12). A U-shaped fixing seat (40) is fixedly connected to the inner surface of the feed wheel support (39). A third cylinder (41) is fixedly connected inside the U-shaped fixing seat (40). The output end of the third cylinder (41) is fixedly connected with a U-shaped movable seat (42). A second servo motor (43) is fixedly connected inside the U-shaped movable seat (42). The output end of the second servo motor (43) is fixedly connected with a feed wheel fixing seat (44).

2. The automatic feeding device of a numerical control machine tool according to claim 1, characterized in that, A feed table support (47) is fixedly connected to the outer surface of the feed chute (19). The upper surface of the feed table support (47) is fixed to the lower surface of the feed table (14).

3. The automatic feeding device of a numerical control machine tool according to claim 1, characterized in that, The input end of the first auxiliary feeding bin (24) is fixedly connected with the feed chute (19), the output end of the first auxiliary feeding bin (24) is fixedly connected with the input end of the feeding box (22), the output end of the feeding box (22) is fixedly connected with the input end of the second auxiliary feeding bin (25). The internal structures of the first auxiliary feeding bin (24) and the second auxiliary feeding bin (25) are the same. Feeding holes (56) are provided on the outer surfaces of the first auxiliary feeding bin (24) and the second auxiliary feeding bin (25).

4. An automatic feeding device for a numerical control machine tool according to claim 1, characterized in that, A longitudinal adjustment screw (11) is rotatably connected to the upper surface of the first-layer pallet (7). The longitudinal adjustment screw (11) is threadedly connected with the second-layer pallet (8). A transverse adjustment screw (10) is rotatably connected to the upper surface of the second-layer pallet (8). The transverse adjustment screw (10) is threadedly connected with the third-layer pallet (9).

5. The automatic feeding device of a numerical control machine tool according to claim 1, characterized in that, A box cover (20) is hinged to the upper surface of the feeding box (22). A handle (21) is fixedly connected to the outer surface of the box cover (20). Covers (26) are fixedly connected to the upper surfaces of the first auxiliary feeding bin (24) and the second auxiliary feeding bin (25).

6. The automatic feeding device of a numerical control machine tool according to claim 1, characterized in that, The upper surface of the arm base plate (12) is fixedly connected with a solenoid valve (23), and the output end of the solenoid valve (23) is connected to the first cylinder (33), the second cylinder (38), the third cylinder (41), and the fourth cylinder (50) respectively through air pipes.

7. The automatic feeding device of a numerical control machine tool according to claim 1, characterized in that, The outer surface of the height adjustment screw rod (4) is fixedly connected with an adjustment nut (5), and a spring washer and a lock nut are arranged at the threaded connection of the height adjustment screw rod (4) and the movable support column (1).

8. An automatic feeding device for a numerical control machine tool according to claim 1, characterized in that, An infrared level (27) is fixedly connected to the surface of the auxiliary feeding bin two (25) through a bracket. The outer surface of the bracket is detachably connected with an auxiliary installation scale (29). One end of the auxiliary installation scale (29) is fixedly connected with a horizontal target (28) through a bracket, and the horizontal target (28) is fixedly connected to the outer surface of the numerical control machine tool through a bracket.

9. An automatic feeding device for a numerical control machine tool according to claim 1, characterized in that, A connecting seat (18) is fixedly connected to the upper surface of the feeding groove (19). The outer surface of the connecting seat (18) is rotatably connected with a shaft rod (16) through a bearing. A first protective cover (45) is detachably connected to the lower surface of the base plate (12), and a second protective cover (46) is detachably connected to the lower surface of the base plate (12).

10. An automatic feeding device for a numerical control machine tool according to claim 1, characterized in that, A push frame sliding groove (55) is arranged on the outer surface of the feeding groove (19). The lower surface of the push frame (53) is slidably connected with the push frame sliding groove (55) through a slider.

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