阅读说明：本技术 一种自动进给的磨具及其更换方法 (Automatic feeding grinding tool and replacing method thereof ) 是由 不公告发明人 于 2021-10-26 设计创作，主要内容包括：本发明涉及磨具领域,尤其是涉及一种自动进给的磨具及其更换方法。其配合使用了一种磨具自动进给与更换设备,该一种磨具自动进给与更换设备包括固定安装在地面上的第一支撑板,所述第一支撑板中心固定连接支撑柱,所述第一支撑板上设有固定支撑装置,所述支撑柱上设有进给更换装置,所述第一支撑板上端一侧设有粉尘收集装置。本发明具有在磨具工作的过程中自动根据磨损大小给予一个补偿进给,当磨具严重磨损时能够自动更换新的磨具,当磨具突然崩坏时也可以停止工作然后自动更换新磨具的效果。(The invention relates to the field of grinding tools, in particular to an automatic feeding grinding tool and a replacing method thereof. It has used a grinding apparatus automatic feed to give and has changed equipment in cooperation, this kind of grinding apparatus automatic feed include fixed mounting at subaerial first backup pad with change equipment, first backup pad center fixed connection support column, be equipped with fixed support device in the first backup pad, be equipped with on the support column and feed the change device, first backup pad upper end one side is equipped with dust collection device. The invention has the advantages that a compensation feed is automatically given according to the abrasion size in the working process of the grinding tool, when the grinding tool is seriously abraded, a new grinding tool can be automatically replaced, when the grinding tool is suddenly broken down, the working can be stopped, and then the new grinding tool can be automatically replaced.)

1. The automatic feeding grinding tool and the replacing method thereof are characterized in that the automatic feeding and replacing device of the grinding tool is matched with the automatic feeding and replacing device of the grinding tool, the automatic feeding and replacing device of the grinding tool comprises a first supporting plate (13) fixedly installed on the ground, a supporting column (14) is fixedly connected to the center of the first supporting plate (13), a fixed supporting device (10) is arranged on the first supporting plate (13), a feeding and replacing device (11) is arranged on the supporting column (14), and a dust collecting device (12) is arranged on one side of the upper end of the first supporting plate (13).

2. The automatic feeding grinding tool and the replacing method thereof according to claim 1, wherein the fixed supporting device (10) further comprises a first annular supporting plate (15) fixedly connected to the upper end edge of the first supporting plate (13), a movable door (16) is arranged at the upper end of the first supporting plate (13) near the dust collecting device (12), a second supporting plate (17) is fixedly connected at the upper end of the first supporting plate (13) far away from the dust collecting device (12), a waste grinding tool collecting chamber (18) is arranged between the first annular supporting plate (15) and the second supporting plate (17), and a grinding tool replacing chamber (19) is arranged between the second supporting plate (17) and the supporting column (14).

3. The automatic feeding grinding tool and the replacing method thereof according to claim 2, wherein the feeding replacing device (11) comprises a second annular support plate (20) rotatably connected to the upper end of the support column (14), a third support plate (21) is fixedly connected to the upper end of the second annular support plate (20), a ring gear (22) is fixedly connected to the inner wall of the second annular support plate (20), first hydraulic chambers (23) are arranged on both sides of the third support plate (21), a first slide bar (24) is slidably arranged on the outer side of each first hydraulic chamber (23), a first slide groove (25) is arranged on the outer side of the first hydraulic chamber (23) in the third support plate (21), a first slide block (26) is slidably arranged on each first slide groove (25), each first slide bar (24) is fixedly connected with the first slide block (26), a second hydraulic chamber (27) is arranged on the outer side of the first slide groove (25) in the third support plate (21), each second hydraulic cavity (27) is provided with a second sliding rod (28) close to the inner side in a sliding mode, and a first hydraulic channel (29) is arranged on each second sliding rod (28).

4. The automatic feeding grinding tool and the replacing method thereof according to claim 3, wherein the lower end of each first sliding block (26) is fixedly connected with a servo motor (30), the output end of each servo motor (30) is downwards fixedly connected with a first rotating shaft (31), each first rotating shaft (31) is provided with a plurality of vertical second sliding chutes (32) along the circumferential direction, each second sliding chute (32) is internally provided with a second sliding block (33) in a sliding manner, a first spring (37) is fixedly connected between the upper end of each second sliding block (33) and the second sliding chute (32), the outer side of the lower end of each second sliding block (33) is fixedly connected with a first hydraulic cylinder (34), a third hydraulic cavity (35) is arranged above the second sliding chute (32) in each first rotating shaft (31), and the lower side of each third hydraulic cavity (35) is slidably connected with a third sliding rod (36), the lower end of each third sliding rod (36) is fixedly connected with a second sliding block (33), a fourth hydraulic cavity (39) is arranged below a second sliding groove (32) in the first rotating shaft (31), a second hydraulic channel (38) is fixedly connected between each fourth hydraulic cavity (39) and the third hydraulic cavity (35), and the outer side of each fourth hydraulic cavity (39) is connected with a multi-stage hydraulic rod (40) in a sliding mode.

5. The automatic feeding grinding tool and the replacing method thereof according to claim 4, wherein a fifth hydraulic chamber (45) is arranged above the second annular support plate (20) in the third support plate (21), a third slider (46) is slidably arranged in the fifth hydraulic chamber (45), a second spring (47) is fixedly connected between one end of the third slider (46) far away from the first hydraulic channel (29) and the fifth hydraulic chamber (45), a first switch (48) is fixedly connected at one end of the fifth hydraulic chamber (45) far away from the first hydraulic channel (29), a hydraulic tank (87) is fixedly connected at the upper end of the third support plate (21), the fifth hydraulic chamber (45) is fixedly connected with the hydraulic tank (87) through a third hydraulic channel (52), an impeller (53) is rotatably connected in the third hydraulic channel (52), and a second rotating shaft (54) is fixedly connected at the lower end of the impeller (53), the lower end of the second rotating shaft (54) is fixedly connected with a gear (55), and the gear (55) is matched with the ring gear (22).

6. The automatic feeding grinding tool and the replacing method thereof according to claim 5, wherein the second hydraulic chamber (27) is connected with the fifth hydraulic chamber (45) through a first hydraulic passage (29), the first hydraulic passage (29) is provided with a sixth hydraulic chamber (41), the sixth hydraulic chamber (41) is provided with a fourth sliding block (42) in a sliding manner, the center of the fourth sliding block (42) is fixedly provided with a speed limiting valve (43), one end of the speed limiting valve (43) close to the fifth hydraulic chamber (45) is fixedly connected with a third spring (44) between the sixth hydraulic chamber (41) and the sixth hydraulic chamber, a third sliding groove (49) is arranged beside the sixth hydraulic chamber (41) and far away from the fifth hydraulic chamber (45), a fifth sliding block (50) is arranged in the third sliding groove (49) in a sliding manner, the fifth sliding block (50) is fixedly connected with the fourth sliding block (42), and one side of the fifth sliding block (50) far away from the fourth sliding block (42) is provided with a vertical hole, the upper end of the third sliding chute (49) is connected with the first hydraulic cavity (23) through a fourth hydraulic channel (51), and the lower end of the third sliding chute (49) is connected with a third hydraulic channel (52).

7. The automatic feed grinding tool and the replacing method thereof according to claim 6, the waste grinding tool collecting chamber (18) bilateral symmetry is equipped with fourth spout (56), every it is equipped with sixth slider (57) to slide in fourth spout (56), every sixth slider (57) looks remote site passes through torsional spring rotation connection fourth backup pad (58), every sliding connection fourth slide bar (59) are located to the top in fourth backup pad (58) interconnection, every sliding connection fifth slide bar (60) are located to the below in sixth slider (57) interconnection, every fourth spout (56) below is equipped with seventh hydraulic pressure chamber (61), every it is equipped with sixth slide bar (63) to slide in seventh hydraulic pressure chamber (61), every sixth slide bar (63) upper end and sixth slider (57) fixed connection, every fixed connection third spring (62) between sixth slider (57) lower extreme and fourth spout (56).

8. The automatic feeding grinding tool and the replacing method thereof according to claim 7, wherein each grinding tool replacing chamber (19) is provided with an eighth hydraulic chamber (64) at the upper side of the periphery, each eighth hydraulic chamber (64) is provided with a seventh slide block (65) in a sliding manner towards one side of the circle center, the seventh hydraulic chamber (61) is communicated with the eighth hydraulic chamber (64), the center of the bottom of each grinding tool replacing chamber (19) is fixedly connected with a second hydraulic cylinder (66), the upper end of the second hydraulic cylinder (66) is fixedly connected with a fifth support plate (67), the upper end edge of the fifth support plate (67) is fixedly connected with a third annular support plate (68), the third annular support plate (68) is provided with a plurality of fifth sliding grooves (69) along the circumferential direction, an eighth slide block (70) is arranged at the upper side of each fifth sliding groove (69), and a fourth spring (71) is fixedly connected between the lower end of each eighth slide block (70) and the fifth sliding groove (69), the upper end of the eighth sliding block (70) is fixedly connected with a fourth annular supporting plate (72).

9. The automatic feeding grinding tool and the replacing method thereof according to claim 8, wherein the dust collecting device (12) comprises a sixth supporting plate (73) fixedly connected to the upper end of the first supporting plate (13), a ninth hydraulic chamber (74) is arranged in the sixth supporting plate (73), a seventh sliding rod (75) is slidably arranged in the ninth hydraulic chamber (74), a seventh supporting plate (76) is fixedly connected to the upper end of the seventh sliding rod (75), a tenth hydraulic chamber (77) is arranged below the ninth hydraulic chamber (74) in the sixth supporting plate (73), a ninth slider (78) is slidably arranged in the tenth hydraulic chamber (77), a fifth spring (79) is fixedly connected between one end of the ninth slider (78) close to the supporting column (14) and the tenth hydraulic chamber (77), and a second switch (80) is fixedly connected to one end of the tenth hydraulic chamber (77) close to the supporting column (14), keep away from support column (14) one side in sixth backup pad (73) and be equipped with third pneumatic cylinder (81), third pneumatic cylinder (81) and tenth hydraulic pressure chamber (77) intercommunication, second backup pad (17) one side slip is equipped with eighth backup pad (82) is kept away from in first backup pad (13) upper end, eighth backup pad (82) upper end is equipped with sixth spout (83), it collects room (84) to slide in sixth spout (83) to be equipped with the powder, fixed connection sixth spring (85) between powder collection room (84) lower extreme and sixth spout (83), powder collection room (84) are close to support column (14) one end fixed connection eighth slide bar (86).

10. An automatically fed grinding tool and method of changing the same according to claims 1-9, wherein the automatically fed grinding tool and method of changing the same comprises the steps of:

s1: when the grinding tool is in work, the first sliding rod (24) pushes the grinding tool to move along with continuous abrasion of the grinding tool, so that the grinding tool is always kept at a normal working position;

s2: when the grinding tool is seriously worn, the third supporting plate (21) drives the grinding tool to rotate to a replacement position, and the old grinding tool is pushed to align the new grinding tool when falling;

s3: the first sliding rod (24) drives the clamp to retract, the second hydraulic cylinder (66) pushes the new grinding tool to a clamping position, and the first hydraulic cylinder (34) and the multistage hydraulic rods (40) are matched to fix the grinding tool;

s4: when the grinding tool is suddenly damaged in operation, the flow speed of hydraulic oil in the first hydraulic passage (29) is increased, so that the speed limiting valve (43) is closed, and the grinding tool replacing action is directly started.

Technical Field

The invention relates to the field of grinding tools, in particular to an automatic feeding grinding tool and a replacing method thereof.

Background

The manual work is polished and is wasted time and energy, has the poor, the inefficiency scheduling problem of processingquality stability, and a large amount of dust can cause huge injury to operating personnel health in the course of working moreover. The grinding apparatus needs to be replaced after long-time work, manual replacement is not timely, labor cost can be increased, and efficiency is reduced. The danger of breakage can occur in the working process of the grinding tool, and the damaged grinding tool can cause huge damage to a workpiece if the grinding tool does not work in time.

There is therefore a need for a method for automatically providing a compensation feed during operation of the grinding tool in accordance with the magnitude of wear, which allows automatic replacement of the grinding tool with a new one when the tool is heavily worn, and which also allows automatic replacement of the new one after a stoppage of operation when the tool suddenly breaks down.

Disclosure of Invention

The present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an automatic feed grinding tool and a method for replacing the same, which have the effects of automatically providing a compensation feed according to the magnitude of wear during the operation of the grinding tool, automatically replacing a new grinding tool when the grinding tool is severely worn, and automatically stopping the operation and then automatically replacing the new grinding tool when the grinding tool suddenly collapses.

In order to achieve the purpose, the invention adopts the following technical scheme:

the automatic feeding grinding tool comprises a first supporting plate fixedly mounted on the ground, a supporting column is fixedly connected to the center of the first supporting plate, a fixed supporting device is arranged on the first supporting plate, a feeding and replacing device is arranged on the supporting column, and a dust collecting device is arranged on one side of the upper end of the first supporting plate.

Preferably, the fixed support device further comprises a first annular support plate fixedly connected to the edge of the upper end of the first support plate, a movable door is arranged at the position, close to the dust collection device, of the upper end of the first support plate, a second support plate fixedly connected to the dust collection device is far away from the upper end of the first support plate, a waste grinding tool collection chamber is arranged between the first annular support plate and the second support plate, and a grinding tool replacement chamber is arranged between the second support plate and the support column.

Preferably, feed and change the device including rotating the second annular backup pad of connection in the support column upper end, second annular backup pad upper end fixed connection third backup pad, second annular backup pad inner wall fixed connection ring gear, third backup pad both sides are equipped with first hydraulic pressure chamber, every first hydraulic pressure chamber leans on the outside to slide and is equipped with first slide bar, first hydraulic pressure chamber leans on outside department to be equipped with first spout, every in the third backup pad slide on the first spout and be equipped with first slider, every first slide bar and first slider fixed connection, first spout leans on outside department to be equipped with the second hydraulic pressure chamber in the third backup pad, every the second hydraulic pressure chamber leans on the inboard to slide to be equipped with the second slide bar, be equipped with first hydraulic pressure way on the second slide bar.

Preferably, the lower end of each first sliding block is fixedly connected with a servo motor, the output end of each servo motor is downwards fixedly connected with a first rotating shaft, each first rotating shaft is provided with a plurality of vertical second sliding chutes along the circumferential direction, a second sliding block is arranged in each second sliding chute in a sliding manner, a first spring is fixedly connected between the upper end of each second sliding block and the second sliding chute, the outer side of the lower end of each second sliding block is fixedly connected with a first hydraulic cylinder, a third hydraulic cavity is arranged above the second sliding chute in each first rotating shaft, the lower side of each third hydraulic cavity is slidably connected with a third sliding rod, the lower end of each third sliding rod is fixedly connected with the second sliding block, and a fourth hydraulic cavity is arranged below the second sliding chute in the first rotating shaft, a second hydraulic channel is fixedly connected between each fourth hydraulic cavity and the third hydraulic cavity, and the outer side of each fourth hydraulic cavity is slidably connected with a multi-stage hydraulic rod.

Preferably, a fifth hydraulic chamber is arranged above the second annular support plate in the third support plate, a third slider is arranged in the fifth hydraulic chamber in a sliding manner, the third slider is far away from a second spring fixedly connected between one end of the first hydraulic channel and the fifth hydraulic chamber, one end of the fifth hydraulic chamber far away from the first hydraulic channel is fixedly connected with a first switch, the upper end of the third support plate is fixedly connected with a hydraulic tank, the fifth hydraulic chamber is fixedly connected with the hydraulic tank through a third hydraulic channel, the third hydraulic channel is rotatably connected with an impeller, the lower end of the impeller is fixedly connected with a second rotating shaft, the lower end of the second rotating shaft is fixedly connected with a gear, and the gear is matched with the annular gear.

Preferably, the second hydraulic chamber is connected with the fifth hydraulic chamber through a first hydraulic channel, a sixth hydraulic chamber is arranged on the first hydraulic channel, a fourth slider is arranged in the sixth hydraulic chamber in a sliding manner, a speed-limiting valve is fixedly arranged at the center of the fourth slider, a third spring is fixedly connected between one end of the speed-limiting valve close to the fifth hydraulic chamber and the sixth hydraulic chamber, a third chute is arranged beside the sixth hydraulic chamber and far away from the fifth hydraulic chamber, a fifth slider is arranged in the third chute in a sliding manner, the fifth slider is fixedly connected with the fourth slider, a vertical hole is arranged on one side of the fifth slider far away from the fourth slider, the upper end of the third chute is connected with the first hydraulic chamber through a fourth hydraulic channel, and the lower end of the third chute is connected with the third hydraulic channel.

Preferably, the two sides of the waste grinding tool collecting chamber are symmetrically provided with fourth sliding grooves, each fourth sliding groove is internally provided with a sixth sliding block in a sliding manner, the opposite end of each sixth sliding block is rotatably connected with a fourth supporting plate through a torsion spring, a fourth sliding rod is slidably connected to the upper portion of a connecting part in the fourth supporting plate, a fifth sliding rod is slidably connected to the lower portion of a connecting part in the sixth sliding block, a seventh hydraulic cavity is arranged below each fourth sliding groove, a sixth sliding rod is slidably arranged in the seventh hydraulic cavity, the upper end of each sixth sliding rod is fixedly connected with the sixth sliding block, and a third spring is fixedly connected between the lower end of the sixth sliding block and the fourth sliding groove.

Preferably, every grinding apparatus is changed room upside all around and is equipped with eighth hydraulic pressure chamber, every eighth hydraulic pressure chamber slides towards centre of a circle one side and is equipped with the seventh slider, seventh hydraulic pressure chamber and eighth hydraulic pressure chamber intercommunication, every grinding apparatus is changed room bottom center department fixed connection second pneumatic cylinder, second pneumatic cylinder upper end fixed connection fifth backup pad, fifth backup pad upper end edge fixed connection third annular backup pad, third annular backup pad is equipped with a plurality of fifth spout along the circumferencial direction, every fifth spout upside slides and is equipped with the eighth slider, every fixed connection fourth spring between eighth slider lower extreme and the fifth spout, eighth slider upper end fixed connection fourth annular backup pad.

Preferably, the dust collecting device comprises a sixth supporting plate fixedly connected to the upper end of the first supporting plate, a ninth hydraulic cavity is arranged in the sixth supporting plate, a seventh slide rod is arranged in the ninth hydraulic cavity in a sliding manner, the upper end of the seventh slide rod is fixedly connected with the seventh supporting plate, a tenth hydraulic cavity is arranged below the ninth hydraulic cavity in the sixth supporting plate, a ninth slider is arranged in the tenth hydraulic cavity in a sliding manner, a fifth spring is fixedly connected between one end, close to the supporting column, of the ninth slider and the tenth hydraulic cavity, one end, close to the supporting column, of the tenth hydraulic cavity is fixedly connected with a second switch, a third hydraulic cylinder is arranged on one side, far away from the supporting column, of the sixth supporting plate, the third hydraulic cylinder is communicated with the tenth hydraulic cavity, an eighth supporting plate is arranged on one side, far away from the second supporting plate, of the upper end of the first supporting plate in a sliding manner, and a sixth chute is arranged at the upper end of the eighth supporting plate, the powder collecting chamber is arranged in the sixth sliding groove in a sliding mode, a sixth spring is fixedly connected between the lower end of the powder collecting chamber and the sixth sliding groove, and the powder collecting chamber is close to one end of the support column and is fixedly connected with the eighth sliding rod.

Preferably, the automatic feeding grinding tool and the replacing method thereof comprise the following steps:

s1: when the grinding tool is in work, the first sliding rod pushes the grinding tool to move along with continuous abrasion of the grinding tool, so that the grinding tool is always kept at a normal working position;

s2: when the grinding tool is seriously worn, the third supporting plate drives the grinding tool to rotate to a replacement position, and the old grinding tool is pushed to align the new grinding tool when falling;

s3: the first sliding rod drives the clamp to retract, the second hydraulic cylinder pushes the new grinding tool to a clamping position, and the first hydraulic cylinder and the multistage hydraulic rods are matched to fix the grinding tool;

s4: when the grinding tool is suddenly damaged in work, the flow speed of hydraulic oil in the first hydraulic passage is increased, so that the speed limiting valve is closed, and the grinding tool is directly started to be replaced.

Has the advantages that:

1. when the grinding tool is in work, the first sliding rod pushes the grinding tool to move along with continuous abrasion of the grinding tool, so that the grinding tool is always kept at a normal working position.

2. When the grinding tool is seriously worn, the third supporting plate drives the grinding tool to rotate to a replacement position, the old grinding tool pushes and straightens a new grinding tool when falling, the first sliding rod drives the clamp to retract, the second hydraulic cylinder pushes the new grinding tool to a clamping position, and the first hydraulic cylinder and the multistage hydraulic rods are matched to fix the grinding tool.

3. When the grinding tool is suddenly damaged in work, the flow speed of hydraulic oil in the first hydraulic passage is increased, so that the speed limiting valve is closed, and the grinding tool is directly started to be replaced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

fig. 6 is a partially enlarged view of fig. 2 at D.

In the figure: 10. fixing the supporting device; 11. a feed replacement device; 12. a dust collection device; 13. a first support plate; 14. a support pillar; 15. a first annular support plate; 16. a movable door; 17. a second support plate; 18. a waste abrasive tool collection chamber; 19. a grinding tool changing chamber; 20. a second annular support plate; 21. a third support plate; 22. a ring gear; 23. a first hydraulic chamber; 24. a first slide bar; 25. a first chute; 26. a first slider; 27. a second hydraulic chamber; 28. a second slide bar; 29. a first hydraulic passage; 30. a servo motor; 31. a first rotating shaft; 32. a second chute; 33. a second slider; 34. a first hydraulic cylinder; 35. a third hydraulic chamber; 36. a third slide bar; 37. a first spring; 38. a second hydraulic passage; 39. a fourth hydraulic chamber; 40. a multi-stage hydraulic rod; 41. a sixth hydraulic chamber; 42. a fourth slider; 43. a speed limiting valve; 44. a third spring; 45. a fifth hydraulic chamber; 46. a third slider; 47. a second spring; 48. a first switch; 49. a third chute; 50. a fifth slider; 51. a fourth hydraulic passage; 52. a third hydraulic passage; 53. an impeller; 54. a second rotating shaft; 55. a gear; 56. a fourth chute; 57. a sixth slider; 58. a fourth support plate; 59. a fourth slide bar; 60. a fifth slide bar; 61. a seventh hydraulic chamber; 62. a third spring; 63. a sixth slide bar; 64. an eighth hydraulic chamber; 65. a seventh slider; 66. a second hydraulic cylinder; 67. a fifth support plate; 68. a third annular support plate; 69. a fifth chute; 70. an eighth slider; 71. a fourth spring; 72. a fourth annular support plate; 73. a sixth support plate; 74. a ninth hydraulic chamber; 75. a seventh slide bar; 76. a seventh support plate; 77. a tenth hydraulic chamber; 78. a ninth slider; 79. a fifth spring; 80. a second switch; 81. a third hydraulic cylinder; 82. an eighth support plate; 83. a sixth chute; 84. a powder collection chamber; 85. a sixth spring; 86. an eighth slide bar; 87. and a hydraulic tank.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

An automatic feeding grinding tool and a replacing method thereof are matched with a grinding tool automatic feeding and replacing device, the grinding tool automatic feeding and replacing device comprises a first supporting plate 13 fixedly installed on the ground, a supporting column 14 is fixedly connected to the center of the first supporting plate 13, a fixed supporting device 10 is arranged on the first supporting plate 13, a feeding replacing device 11 is arranged on the supporting column 14, and a dust collecting device 12 is arranged on one side of the upper end of the first supporting plate 13.

Further, with reference to fig. 1 and 2, the fixed supporting device 10 further includes a first annular supporting plate 15 fixedly connected to the edge of the upper end of the first supporting plate 13, a movable door 16 is disposed at a position close to the dust collecting device 12 at the upper end of the first supporting plate 13, a second supporting plate 17 fixedly connected to a position far away from the dust collecting device 12 at the upper end of the first supporting plate 13, a waste grinding tool collecting chamber 18 is disposed between the first annular supporting plate 15 and the second supporting plate 17, and a grinding tool replacing chamber 19 is disposed between the second supporting plate 17 and the supporting column 14.

Further, with reference to fig. 2 and 4, the feeding and replacing device 11 includes a second annular support plate 20 rotatably connected to the upper end of the support column 14, the upper end of the second annular support plate 20 is fixedly connected to a third support plate 21, the inner wall of the second annular support plate 20 is fixedly connected to a ring gear 22, first hydraulic chambers 23 are disposed on two sides of the third support plate 21, a first slide bar 24 is slidably disposed near the outer side of each first hydraulic chamber 23, a first slide groove 25 is disposed near the outer side of each first hydraulic chamber 23 in the third support plate 21, a first slide block 26 is slidably disposed on each first slide groove 25, each first slide bar 24 is fixedly connected to each first slide block 26, a second hydraulic chamber 27 is disposed near the outer side of each first slide groove 25 in the third support plate 21, a second slide bar 28 is slidably disposed near the inner side of each second hydraulic chamber 27, and a first hydraulic passage 29 is disposed on each second slide bar 28.

Further, with reference to fig. 2 and 3, the lower end of each first sliding block 26 is fixedly connected with a servo motor 30, the output end of each servo motor 30 is downward fixedly connected with a first rotating shaft 31, each first rotating shaft 31 is provided with a plurality of vertical second sliding chutes 32 along the circumferential direction, each second sliding chute 32 is internally provided with a second sliding block 33 in a sliding manner, a first spring 37 is fixedly connected between the upper end of each second sliding block 33 and the second sliding chute 32, the outer side of the lower end of each second sliding block 33 is fixedly connected with a first hydraulic cylinder 34, a third hydraulic chamber 35 is arranged above the second sliding chute 32 in each first rotating shaft 31, the lower side of each third hydraulic chamber 35 is slidably connected with a third sliding rod 36, the lower end of each third sliding rod 36 is fixedly connected with the second sliding block 33, a fourth hydraulic chamber 39 is arranged below the second sliding chute 32 in the first rotating shaft 31, a second hydraulic passage 38 is fixedly connected between each fourth hydraulic chamber 39 and the third hydraulic chamber 35, and a multistage hydraulic rod 40 is slidably connected to the outer side of each fourth hydraulic chamber 39.

Further, with reference to fig. 2 and 4, a fifth hydraulic chamber 45 is disposed above the second annular support plate 20 in the third support plate 21, a third slider 46 is slidably disposed in the fifth hydraulic chamber 45, one end of the third slider 46, which is far away from the first hydraulic channel 29, is fixedly connected to the fifth hydraulic chamber 45 through a second spring 47, one end of the fifth hydraulic chamber 45, which is far away from the first hydraulic channel 29, is fixedly connected to the first switch 48, the upper end of the third support plate 21 is fixedly connected to a hydraulic tank 87, the fifth hydraulic chamber 45 is fixedly connected to the hydraulic tank 87 through a third hydraulic channel 52, the third hydraulic channel 52 is rotatably connected to the impeller 53, the lower end of the impeller 53 is fixedly connected to the second rotating shaft 54, the lower end of the second rotating shaft 54 is fixedly connected to a gear 55, and the gear 55 is matched with the annular gear 22.

Further, with reference to fig. 2 and 4, the second hydraulic chamber 27 is connected to the fifth hydraulic chamber 45 through the first hydraulic passage 29, the first hydraulic passage 29 is provided with a sixth hydraulic chamber 41, the sixth hydraulic chamber 41 is slidably provided with a fourth slider 42, the center of the fourth slider 42 is fixedly provided with a speed-limiting valve 43, one end of the speed-limiting valve 43 close to the fifth hydraulic chamber 45 is fixedly connected to the sixth hydraulic chamber 41 through a third spring 44, a position near the fifth hydraulic chamber 41 and far from the fifth hydraulic chamber 45 is provided with a third sliding chute 49, the third sliding chute 49 is slidably provided with a fifth slider 50, the fifth slider 50 is fixedly connected to the fourth slider 42, one side of the fifth slider 50 far from the fourth slider 42 is provided with a vertical hole, the upper end of the third sliding chute 49 is connected to the first hydraulic chamber 23 through a fourth hydraulic passage 51, and the lower end of the third sliding chute 49 is connected to the third hydraulic passage 52.

Further, with reference to fig. 2 and 5, fourth sliding grooves 56 are symmetrically formed in two sides of the waste grinder collecting chamber 18, a sixth sliding block 57 is slidably disposed in each fourth sliding groove 56, the opposite end of each sixth sliding block 57 is rotatably connected to a fourth supporting plate 58 through a torsion spring, a fourth sliding rod 59 is slidably connected to the upper portion of the connecting portion of each fourth supporting plate 58, a fifth sliding rod 60 is slidably connected to the lower portion of the connecting portion of each sixth sliding block 57, a seventh hydraulic chamber 61 is disposed below each fourth sliding groove 56, a sixth sliding rod 63 is slidably disposed in each seventh hydraulic chamber 61, the upper end of each sixth sliding rod 63 is fixedly connected to the sixth sliding block 57, and a third spring 62 is fixedly connected between the lower end of each sixth sliding block 57 and the fourth sliding groove 56.

Further, with reference to fig. 2 and 4, an eighth hydraulic cavity 64 is formed in the upper side of the periphery of each grinding tool changing chamber 19, a seventh sliding block 65 is arranged in each eighth hydraulic cavity 64 in a sliding manner towards one side of the circle center, the seventh hydraulic cavity 61 is communicated with the eighth hydraulic cavity 64, a second hydraulic cylinder 66 is fixedly connected to the center of the bottom of each grinding tool changing chamber 19, a fifth supporting plate 67 is fixedly connected to the upper end of the second hydraulic cylinder 66, a third annular supporting plate 68 is fixedly connected to the edge of the upper end of the fifth supporting plate 67, a plurality of fifth sliding grooves 69 are formed in the third annular supporting plate 68 along the circumferential direction, an eighth sliding block 70 is arranged in each fifth sliding groove 69 in a sliding manner, a fourth spring 71 is fixedly connected between the lower end of each eighth sliding block 70 and the fifth sliding groove 69, and a fourth annular supporting plate 72 is fixedly connected to the upper end of each eighth sliding block 70.

Further, referring to fig. 2 and 6, the dust collecting device 12 includes a sixth supporting plate 73 fixedly connected to the upper end of the first supporting plate 13, a ninth hydraulic chamber 74 is disposed in the sixth supporting plate 73, a seventh slide bar 75 is slidably disposed in the ninth hydraulic chamber 74, a seventh supporting plate 76 is fixedly connected to the upper end of the seventh slide bar 75, a tenth hydraulic chamber 77 is disposed below the ninth hydraulic chamber 74 in the sixth supporting plate 73, a ninth slider 78 is slidably disposed in the tenth hydraulic chamber 77, a fifth spring 79 is fixedly connected between one end of the ninth slider 78 close to the supporting column 14 and the tenth hydraulic chamber 77, one end of the tenth hydraulic chamber 77 close to the supporting column 14 is fixedly connected to a second switch 80, a third hydraulic cylinder 81 is disposed in the sixth supporting plate 73 on a side far from the supporting column 14, the third hydraulic cylinder 81 is communicated with the tenth hydraulic chamber 77, an eighth supporting plate 82 is slidably disposed on a side far from the second supporting plate 17 at the upper end of the first supporting plate 13, the upper end of the eighth supporting plate 82 is provided with a sixth sliding chute 83, a powder collecting chamber 84 is arranged in the sixth sliding chute 83 in a sliding manner, a sixth spring 85 is fixedly connected between the lower end of the powder collecting chamber 84 and the sixth sliding chute 83, and an eighth sliding rod 86 is fixedly connected to one end, close to the supporting column 14, of the powder collecting chamber 84.

Further, with reference to fig. 1, 2, 3, 4, 5 and 6, the automatic feeding grinding tool and the replacing method thereof comprise the following steps:

s1: when the grinding tool is in work, the first sliding rod 24 pushes the grinding tool to move along with continuous abrasion of the grinding tool, so that the grinding tool is always kept at a normal working position;

s2: when the grinding tool is seriously worn, the third support plate 21 drives the grinding tool to rotate to a replacement position, and when the old grinding tool falls, the new grinding tool is pushed to be straightened;

s3: the first slide bar 24 drives the clamp to retract, the second hydraulic cylinder 66 pushes the new grinding tool to the clamping position, and the first hydraulic cylinder 34 and the multistage hydraulic rods 40 are matched to fix the grinding tool;

s4: when the grinding tool is suddenly damaged during working, the flow rate of the hydraulic oil in the first hydraulic passage 29 is increased, so that the speed limiting valve 43 is closed, and the grinding tool replacing action is directly started.

The working principle is as follows: the servo motor 30 is started, the output end of the servo motor 30 drives the first rotating shaft 31 to rotate, the first rotating shaft 31 drives the second sliding block 33 to rotate, the second sliding block 33 drives the first hydraulic cylinder 34 to rotate, the first rotating shaft 31 drives the multi-stage hydraulic rod 40 to rotate, and the first hydraulic cylinder 34 and the multi-stage hydraulic rod 40 drive the grinding tool to rotate. Along with its constantly wearing and tearing when the grinding apparatus is in operation, first slide bar 24 moves toward the outside in first hydraulic pressure chamber 23, first slide bar 24 drives first slider 26 and moves toward the outside in first spout 25, first slider 26 drives second slide bar 28 and moves toward the outside, make hydraulic oil get into fifth hydraulic pressure chamber 45 through first hydraulic passage 29 in the second hydraulic pressure chamber 27, make third slider 46 move inward, first slider 26 drives servo motor 30 and moves toward the outside, servo motor 30 drives first axis of rotation 31 and moves toward the outside, first axis of rotation 31 drives first pneumatic cylinder 34 and moves toward the outside, first axis of rotation 31 drives multistage hydraulic stem 40 and moves toward the outside, first pneumatic cylinder 34 and multistage hydraulic stem 40 drive the grinding apparatus and feed.

When the grinding tool is severely worn, the third slide block 46 moves to the bottom and touches the first switch 48, so that the hydraulic oil in the fifth hydraulic chamber 45 enters the hydraulic tank 87 through the third hydraulic passage 52 to drive the impeller 53 to rotate, the impeller 53 drives the second rotating shaft 54 to rotate, the second rotating shaft 54 drives the gear 55 to rotate, the gear 55 drives the ring gear 22 to rotate, the ring gear 22 drives the second annular support plate 20 to rotate, and the second annular support plate 20 drives the third support plate 21 to rotate, so that the grinding tool rotates to the replacement position. The first hydraulic cylinder 34 contracts, the second slide block 33 moves downwards under the action of the first spring 37, the second slide block 33 drives the third slide rod 36 to move downwards, so that hydraulic oil in the fourth hydraulic cavity 39 enters the third hydraulic cavity 35 through the second hydraulic channel 38, the multistage hydraulic rods 40 contract to make the old grinding tool fall on the fourth support plate 58 to drive the old grinding tool to move downwards, the fourth support plate 58 drives the sixth slide block 57 to move downwards in the fourth slide groove 56, the sixth slide block 57 drives the sixth slide rod 63 to move downwards, so that hydraulic oil in the seventh hydraulic cavity 61 enters the eighth hydraulic cavity 64 to push the seventh slide block 65 to open to swing the new grinding tool, when the sixth slide block 57 moves to the bottom, the bottom of the fourth slide groove 56 pushes the fifth slide rod 60 to move upwards, the fifth slide rod 60 pushes the fourth slide rod 59 to move upwards to open the lock, so that the fourth support plate 58 is opened under the action of the gravity of the old grinding tool, the old mold falls in the waste mold collecting chamber 18, the fourth supporting plate 58 returns to the original position under the action of the torsion spring, the sixth sliding block 57 moves upwards under the action of the third spring 62, the sixth sliding block 57 drives the sixth sliding rod 63 to move upwards, so that hydraulic oil in the eighth hydraulic cavity 64 returns to the seventh hydraulic cavity 61, the seventh sliding block 65 contracts inwards, the sixth sliding block 57 drives the fourth supporting plate 58 to move upwards, the upper end of the fourth sliding groove 56 pushes the fourth sliding rod 59 to move downwards, and the fourth sliding rod 59 pushes the fifth sliding rod 60 to move downwards to lock the sixth sliding block 57 and the fourth supporting plate 58.

The first slide bar 24 drives the clamp to retract, the second hydraulic cylinder 66 extends to drive the fifth support plate 67 to move upwards, the fifth support plate 67 drives the third annular support plate 68 to move upwards, the third annular support plate 68 drives the eighth slider 70 to move upwards, the eighth slider 70 drives the fourth annular support plate 72 to move upwards, the fourth annular support plate 72 drives the new grinding tool to move upwards, the new grinding tool drives the first hydraulic cylinder 34 to move upwards, the first hydraulic cylinder 34 drives the second slider 33 to move upwards, the second slider 33 drives the third slide bar 36 to move upwards, so that the hydraulic oil in the third hydraulic chamber 35 enters the fourth hydraulic chamber 39 through the second hydraulic passage 38, and the multistage hydraulic rod 40 extends. The first hydraulic cylinder 34 is started to extend to push the new grinding tool to move downwards, the new grinding tool pushes the fourth annular support plate 72 to move downwards, and the fourth annular support plate 72 pushes the eighth slide block 70 to move downwards in the fifth slide groove 69 until the lower end of the new grinding tool abuts against the multistage hydraulic rod 40. The second hydraulic cylinder 66 retracts, the eighth slider 70 moves up under the action of the fourth spring 71, the eighth slider 70 drives the fourth annular support plate 72 to move up, the second hydraulic cylinder 66 drives the fifth support plate 67 to move down, the fifth support plate 67 drives the third annular support plate 68 to move down, the third annular support plate 68 drives the eighth slider 70 to move down, and the eighth slider 70 drives the fourth annular support plate 72 to move down.

The powder is accumulated in the powder collection chamber 84 to drive the powder to move downwards, the powder collection chamber 84 drives the eighth sliding rod 86 to move downwards, the eighth sliding rod 86 drives the seventh support plate 76 to move downwards, the seventh support plate 76 drives the seventh sliding rod 75 to move downwards, so that the hydraulic oil in the ninth hydraulic chamber 74 enters the tenth hydraulic chamber 77, pushing the ninth slider 78 to move inward, when the ninth slider 78 is moved to the bottom to touch the second switch 80, the ninth slider 78 is moved outward by the fifth spring 79, so that the hydraulic oil in the tenth hydraulic chamber 77 pushes the third hydraulic cylinder 81 to extend, the third hydraulic cylinder 81 pushes the eighth support plate 82 out, the worker cleans the powder and then pushes it back to the original position, the third hydraulic cylinder 81 retracts inward, so that the hydraulic oil returns to the ninth hydraulic chamber 74 to push the seventh sliding rod 75 to move upward, and the seventh sliding rod 75 drives the seventh supporting plate 76 to move upward. When the grinding tool is suddenly damaged during working, the clamp can move outwards with higher speed to drive the first sliding block 26 to move outwards with higher speed, so that the flow rate of hydraulic oil in the first hydraulic channel 29 is increased, the speed-limiting valve 43 is closed to drive the fourth sliding block 42 to move inwards, the fourth sliding block 42 drives the fifth sliding block 50 to move inwards to enable the fourth hydraulic channel 51 to be communicated, and hydraulic oil in the first hydraulic cavity 23 directly flows into the third hydraulic channel 52 to start the action of replacing the grinding tool.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.