Bearing bush for mill and production equipment

Abstract

The invention belongs to the technical field of bearing bush production, and discloses a bearing bush for a mill and production equipment, the bearing bush comprises a jacking mechanism, the jacking mechanism comprises two first hydraulic rods, the tops of the first hydraulic rods are slidably connected with a jacking plate, and the bottom of the jacking plate is fixedly connected with a bidirectional rack; the two sides of the two-way rack are both engaged with first gears, and the sides, away from the two-way rack, of the two first gears are both engaged with transmission gears. Through cooperation of structures such as a bidirectional rack and a driven rack, a worker can conveniently take out a bearing bush body from the interior of the die, an upper die base moves upwards through a second hydraulic rod, the bottom of the upper die base is separated from the bearing bush body, clamping connection between a first protruding block and a first groove is relieved, and the bearing bush body can be conveniently taken out. Then a jacking plate moves upwards through a first hydraulic rod, the jacking plate moves upwards to drive a bidirectional rack to move upwards, and the bidirectional rack moves upwards to enable two first gears meshed with the bidirectional rack to rotate.

Description

Technical Field

[0001] The invention belongs to the technical field of bearing bush production, in particular to a bearing bush for a grinding machine and production equipment. Background Art

[0002] Deeply rooted in the continuous pursuit of material grinding and processing technology in heavy industrial fields such as mining, chemical industry, and building materials, since the industrial age, mills have been key equipment for crushing and grinding materials. Their performance and efficiency directly affect the quality and production cost of downstream products. Among them, bearings are the core components for mill support and friction reduction. Their development is inseparable from the progress of mill technology, breakthroughs in materials science, and innovations in processing technology. Bearings are mainly used in the bearing parts of various rotating machinery, such as engines, compressors, mills, pumps, fans, etc., to support the shaft system, reduce friction, disperse loads, and provide lubrication. They are an important part of ensuring the stable operation of mechanical equipment and extending its service life. In recent years, with the rapid development of materials science, precision machining, automated control, and intelligent technology, bearing production equipment has ushered in a transformation from mechanization to automation and from inefficiency to efficiency. The introduction of CNC machine tools, precision casting equipment, and automated assembly lines has greatly improved the production efficiency and quality of bearings. Especially after breakthroughs in materials science, the application of new alloys and composite materials has put forward higher requirements on the accuracy, flexibility, and intelligence of production equipment.

[0003] Most of the existing production equipment for mill bearings requires manual removal of the bearings from the mold after casting is completed, which is not only inconvenient to operate but also prone to safety problems. At the same time, the cooling structure of most molds is single-channel cooling, which makes the device cool the bearings unevenly and easily causes cracks and segregation. Therefore, a production equipment for mill bearings is proposed, which has the effect of facilitating the cutting of bearings and optimizing the cooling structure. Summary of the invention

[0004] In order to solve the problem that most of the above-mentioned background technologies need to manually remove the bearing from the mold after casting, which is not only inconvenient to operate but also prone to safety problems, and at the same time, the cooling structure of most molds is single-channel cooling, which makes the device cool the bearing unevenly and easily causes cracks and segregation, the present invention provides a bearing for a grinding mill and a production equipment.

[0005] To achieve the above object, the present invention provides the following technical solution: a production device for a mill bearing, comprising a jacking mechanism, a mold mechanism is arranged on the jacking mechanism, a cooling mechanism is arranged on the mold mechanism, an injection molding mechanism is arranged above the mold mechanism, and a bearing mechanism is arranged inside the mold mechanism; The jacking mechanism includes two first hydraulic rods, the top of the first hydraulic rods is slidably connected to a jacking plate, the bottom of the jacking plate is fixedly connected to a bidirectional rack, both sides of the bidirectional rack are meshed with first gears, the two first gears are meshed with transmission gears on the sides away from the bidirectional racks, the tops of the two transmission gears are meshed with second gears, the tops of the two second gears are meshed with driven racks, a lower die base is provided on the top of the jacking plate, and three sliders are fixedly connected to both sides of the lower die base.

[0006] Preferably, the three slide blocks are evenly distributed on the side of the lower die base, the bidirectional rack is located between the two first hydraulic rods, the size of the second gear is larger than that of the first gear, and the size of the first gear is matched with that of the transmission gear.

[0007] Preferably, the mold mechanism includes a main body base, a slide groove is provided on the top of the main body base, two limit grooves are provided on the top of the main body base, the top of the main body base is slidably connected with a first side mold and a second side mold respectively, the bottom of the first side mold and the second side mold are fixedly connected with two limit blocks, the top of the first side mold and the second side mold are provided with a first groove, an injection groove is provided between the first side mold and the second side mold, and an inclined block is fixedly connected to the second side mold.

[0008] Preferably, the driven rack is slidably connected to the slide groove, the limit block is slidably connected to the limit groove, the inclined block is located inside the injection groove, and the first hydraulic rod is slidably connected to the main body base.

[0009] Preferably, the driven rack is slidably connected to the slide groove, the tops of the two driven racks are respectively fixedly connected with the first side mold and the second side mold, the lower mold base is located between the first side mold and the second side mold, and the lower mold base is slidably connected to the first side mold and the second side mold through a slider.

[0010] Preferably, the cooling mechanism comprises two circulating water pumps, and four cooling pipes are fixedly connected to the sides of the two circulating water pumps close to each other.

[0011] Preferably, the first side mold and the second side mold are located between two circulating water pumps, and the cooling pipes penetrate the surfaces of the first side mold and the second side mold and extend to the inside of the first side mold and the second side mold respectively.

[0012] Preferably, the injection molding mechanism includes a hydraulic seat, the bottom of the hydraulic seat is slidably connected to a second hydraulic rod, the bottom of the second hydraulic rod is fixedly connected to an upper mold seat, the bottom of the upper mold seat is provided with a first protrusion, the upper mold seat is provided with an injection hole, the bottom of the upper mold seat is fixedly connected to a plurality of second protrusions, and the bottom of the upper mold seat is fixedly connected to two protrusions.

[0013] Preferably, the size of the first protrusion is matched with the size of the first groove, the first protrusion is engaged with the first groove, and the upper mold base is located above the first side mold and the second side mold.

[0014] A bearing for a grinder includes a bearing mechanism, wherein the bearing mechanism includes a bearing body, a plurality of second grooves are evenly arranged on the top of the bearing body, two small holes are arranged on the top of the bearing body, two inclined grooves are respectively arranged on both sides of the bearing body, the size of the second grooves is matched with the size of the second protrusion, the size of the small holes is matched with the size of the protrusion rod, and the size of the inclined grooves is matched with the size of the inclined block.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides cooperation of structures such as a bidirectional rack and a driven rack, thereby facilitating the staff to take out the bearing shell body from the inside of the mold, and the upper mold base is moved upward by the second hydraulic rod to separate the bottom of the upper mold base from the bearing shell body, and the first protrusion and the first groove are released from the clamping connection, and then the lifting plate is moved upward by the first hydraulic rod, and the lifting plate will drive the bidirectional rack upward, and the upward movement of the bidirectional rack will cause the two first gears meshing with it to rotate, and the rotation of the first gear will drive the transmission gear meshing with it to rotate in the opposite direction, and the rotation of the transmission gear will drive the second gear meshing with it to rotate and in the same direction as the second gear, and the rotation of the second gear will drive the two driven racks meshing with it to move in the direction away from each other in the upper direction of the lifting plate, thereby respectively driving the first side mold and the second side mold to move in the opposite direction away from the bearing shell body, when the top of the lifting plate abuts against the bottom of the lower mold base, the sliding connection between the first side mold and the second side mold and the slider is released, and they are separated from the bearing shell body, and at this time, the lifting plate continues to move upward to lift the bearing shell body through the lower mold base, thereby avoiding the safety problems existing in manual operation; The present invention improves the cooling effect of the device by arranging a circulating water pump and four cooling pipes and other structures. The coolant is injected into the four cooling pipes through the circulating water pump, and flows along the four cooling pipes from the center to the sides away from each other, and heat is taken away from the center position to the edge position inside the first side mold and the second side mold, so that the cooling speed of the center position which is most difficult to cool can reach a slow cooling balance with the cooling speed of the edge position, avoiding segregation on the bearing body caused by excessive cooling. At the same time, four cooling pipes are respectively arranged inside the first side mold and the second side mold to uniformly cool the device, avoiding the occurrence of cracks on the surface of the bearing body due to uneven cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the top view of the mold mechanism of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the mold mechanism of the present invention; Figure 4 It is a schematic diagram of the structural relationship between the bearing bush body and the first side mold of the present invention; Figure 5 A schematic diagram of the structural relationship between the driven rack and the second gear of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the cooling mechanism of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the bearing mechanism of the present invention.

[0017] In the figure: 1. Lifting mechanism; 101. First hydraulic rod; 102. Lifting plate; 103. Bidirectional rack; 104. First gear; 105. Transmission gear; 106. Second gear; 107. Driven rack; 108. Lower die seat; 109. Slider; 2. Die mechanism; 201. Main body base; 202. Slide; 203. Limiting groove; 204. Limiting block; 205. First side die; 206. Second side die; 207 , first groove; 208, injection groove; 209, inclined block; 3, cooling mechanism; 301, circulating water pump; 302, cooling pipe; 4, injection mechanism; 401, hydraulic seat; 402, second hydraulic rod; 403, upper mold seat; 404, first protrusion; 405, injection hole; 406, second protrusion; 407, protruding rod; 5, bearing mechanism; 501, bearing body; 502, second groove; 503, small hole; 504, inclined groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figures 1 to 6 As shown, the present invention provides a production device for a mill bearing, comprising a lifting mechanism 1, a mold mechanism 2 is arranged on the lifting mechanism 1, a cooling mechanism 3 is arranged on the mold mechanism 2, an injection molding mechanism 4 is arranged above the mold mechanism 2, and a bearing mechanism 5 is arranged inside the mold mechanism 2; The lifting mechanism 1 includes two first hydraulic rods 101, the top of the first hydraulic rods 101 is slidably connected to a lifting plate 102, the bottom of the lifting plate 102 is fixedly connected to a bidirectional rack 103, both sides of the bidirectional rack 103 are meshed with first gears 104, the two first gears 104 are meshed with a transmission gear 105 on one side away from the bidirectional rack 103, the tops of the two transmission gears 105 are meshed with second gears 106, the tops of the two second gears 106 are meshed with driven racks 107, a lower die base 108 is provided on the top of the lifting plate 102, and three sliders 109 are fixedly connected to both sides of the lower die base 108.

[0020] The three sliders 109 are evenly distributed on the side of the lower die base 108 . The bidirectional rack 103 is located between the two first hydraulic rods 101 . The size of the second gear 106 is larger than that of the first gear 104 . The size of the first gear 104 matches that of the transmission gear 105 .

[0021] The above scheme is adopted: by setting the cooperation of structures such as the bidirectional rack 103 and the driven rack 107, it is convenient for the staff to take the bearing body 501 out of the mold, and the upper mold base 403 is moved upward by the second hydraulic rod 402 to separate the bottom of the upper mold base 403 from the bearing body 501, and the first protrusion 404 is released from the first groove 207. Then, the lifting plate 102 is moved upward by the first hydraulic rod 101. The upward movement of the lifting plate 102 will drive the bidirectional rack 103 to move upward, and the upward movement of the bidirectional rack 103 will cause the two first gears 104 meshing therewith to rotate, and the rotation of the first gear 104 will drive the transmission gear 105 meshing therewith to rotate in the opposite direction, and the transmission gear 105 rotates. The movement will drive the second gear 106 meshing with it to rotate and in the same direction as the second gear 106, and the rotation of the second gear 106 will drive the two driven racks 107 meshing with it to move in the direction away from each other in the upper direction of the lifting plate 102, thereby driving the first side mold 205 and the second side mold 206 to move in the opposite direction away from the bearing body 501. When the top of the lifting plate 102 abuts against the bottom of the lower mold base 108, the sliding connection between the first side mold 205 and the second side mold 206 and the slider 109 is released, and they are separated from the bearing body 501. At this time, the lifting plate 102 continues to move upward and will lift the bearing body 501 through the lower mold base 108, avoiding the safety problems existing in manual operation.

[0022] like Figures 2 to 6 As shown, the mold mechanism 2 includes a main base 201, a slide groove 202 is provided on the top of the main base 201, two limit grooves 203 are provided on the top of the main base 201, a first side mold 205 and a second side mold 206 are slidably connected to the top of the main base 201, two limit blocks 204 are fixedly connected to the bottom of the first side mold 205 and the second side mold 206, a first groove 207 is provided on the top of the first side mold 205 and the second side mold 206, an injection groove 208 is provided between the first side mold 205 and the second side mold 206, and an inclined block 209 is fixedly connected to the second side mold 206.

[0023] The driven rack 107 is slidably connected to the slide groove 202, the limit block 204 is slidably connected to the limit groove 203, the inclined block 209 is located inside the injection groove 208, the first hydraulic rod 101 is slidably connected to the main base 201, the driven rack 107 is slidably connected to the slide groove 202, the tops of the two driven racks 107 are respectively fixedly connected with the first side mold 205 and the second side mold 206, the lower mold base 108 is located between the first side mold 205 and the second side mold 206, and the lower mold base 108 is slidably connected to the first side mold 205 and the second side mold 206 through the slider 109.

[0024] The cooling mechanism 3 includes two circulating water pumps 301, and four cooling pipes 302 are fixedly connected to the sides of the two circulating water pumps 301 close to each other. The first side mold 205 and the second side mold 206 are located between the two circulating water pumps 301, and the cooling pipes 302 respectively penetrate the surfaces of the first side mold 205 and the second side mold 206 and extend to the interior of the first side mold 205 and the second side mold 206 respectively.

[0025] The injection mechanism 4 includes a hydraulic seat 401, the bottom of the hydraulic seat 401 is slidably connected to the second hydraulic rod 402, the bottom of the second hydraulic rod 402 is fixedly connected to the upper mold seat 403, the bottom of the upper mold seat 403 is provided with a first protrusion 404, the upper mold seat 403 is provided with an injection hole 405, the bottom of the upper mold seat 403 is fixedly connected to a plurality of second protrusions 406, the bottom of the upper mold seat 403 is fixedly connected to two protrusions 407, the size of the first protrusion 404 is adapted to the size of the first groove 207, the first protrusion 404 is clamped with the first groove 207, and the upper mold seat 403 is located above the first side mold 205 and the second side mold 206.

[0026] The above scheme is adopted: by setting up a circulating water pump 301 and four cooling pipes 302 and other structures, the cooling effect of the device is improved, the coolant is injected into the four cooling pipes 302 through the circulating water pump 301, and flows along the four cooling pipes 302 from the center to the side away from each other, and the heat is taken away from the center position to the edge position inside the first side mold 205 and the second side mold 206, so that the cooling rate of the center position which is most difficult to cool can reach a slow cooling balance with the cooling rate of the edge position, avoiding segregation on the bearing body 501 caused by excessive cooling, and at the same time, four cooling pipes 302 are respectively set inside the first side mold 205 and the second side mold 206 to uniformly cool the device, avoiding the occurrence of cracks on the surface of the bearing body 501 due to uneven cooling, and the device adopts a single-piece casting to avoid the low melting point of lead, relatively large products, uneven cooling, and easy production of shrinkage holes in casting.

[0027] like Figure 7 As shown, the present invention provides a bearing for a grinder, including a bearing mechanism 5, the bearing mechanism 5 includes a bearing body 501, a plurality of second grooves 502 are evenly provided on the top of the bearing body 501, two small holes 503 are provided on the top of the bearing body 501, two inclined grooves 504 are respectively provided on both sides of the bearing body 501, the size of the second groove 502 is adapted to the size of the second protrusion 406, the size of the small hole 503 is adapted to the size of the protrusion rod 407, and the size of the inclined groove 504 is adapted to the size of the inclined block 209.

[0028] The working principle and use process of the present invention are as follows: First, the device is in the following Figure 1In the working state shown, the first side mold 205 and the second side mold 206 are first heated, and then the previously melted lead liquid is injected into the injection groove 208 through the injection hole 405, so that the lead liquid fills the injection groove 208, and then the coolant is injected into the four cooling pipes 302 through the circulating water pump 301, and flows from the center to the side away from each other along the four cooling pipes 302, and the heat is taken away from the center position to the edge position in the first side mold 205 and the second side mold 206, so that the center position which is the most difficult to cool can be cooled faster, so that the cooling speed thereof reaches a balance with that of the edge position, and at the same time, four cooling pipes 302 are respectively arranged in the first side mold 205 and the second side mold 206 to evenly cool the device; After cooling, the lead liquid is formed into the bearing body 501 inside the injection molding tank 208, and then the upper mold base 403 is moved upward by the second hydraulic rod 402, so that the bottom of the upper mold base 403 is separated from the bearing body 501, and the first protrusion 404 is released from the first groove 207. Then, the lifting plate 102 is moved upward by the first hydraulic rod 101, and the lifting plate 102 moves upward, which drives the two-way rack 103 to move upward, and the two-way rack 103 moves upward to rotate the two first gears 104 meshing therewith, and the rotation of the first gear 104 drives the transmission gear 105 meshing therewith to rotate in the opposite direction, and the rotation of the transmission gear 105 drives the two first gears 104 meshing therewith to rotate in the opposite direction. The meshing second gear 106 rotates and is in the same direction as the second gear 106, and the rotation of the second gear 106 will drive the two meshing driven racks 107 to move in the direction away from each other in the upper direction of the lifting plate 102, thereby driving the first side mold 205 and the second side mold 206 to move in the opposite direction away from the bearing body 501. When the top of the lifting plate 102 abuts against the bottom of the lower mold base 108, the first side mold 205 and the second side mold 206 are released from the sliding connection with the slider 109 and separated from the bearing body 501. At this time, the lifting plate 102 continues to move upward and will lift the bearing body 501 through the lower mold base 108 as shown in the figure. Figure 4 The bearing body 501 is then taken out to complete the production of the bearing body 501 , and the bearing body 501 is finally subjected to subsequent processing, such as removing the gate, cleaning the surface, and heat treatment as needed.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production device for a mill bearing, comprising a lifting mechanism (1), characterized in that: A mold mechanism (2) is arranged on the lifting mechanism (1), a cooling mechanism (3) is arranged on the mold mechanism (2), and an injection molding mechanism (4) is arranged above the mold mechanism (2); The lifting mechanism (1) comprises two first hydraulic rods (101), the top of the first hydraulic rods (101) is slidably connected to a lifting plate (102), the bottom of the lifting plate (102) is fixedly connected to a bidirectional rack (103), both sides of the bidirectional rack (103) are meshed with first gears (104), the sides of the two first gears (104) away from the bidirectional rack (103) are meshed with transmission gears (105), the tops of the two transmission gears (105) are meshed with second gears (106), the tops of the two second gears (106) are meshed with driven racks (107), and a lower die base (108) is arranged on the top of the lifting plate (102), and both sides of the lower die base (108) are fixedly connected to three sliders (109).

2. The production equipment for mill bearing bushing according to claim 1, characterized in that: The three slide blocks (109) are evenly distributed on the side of the lower die base (108), the bidirectional rack (103) is located between the two first hydraulic rods (101), the size of the second gear (106) is larger than the size of the first gear (104), and the size of the first gear (104) is compatible with the size of the transmission gear (105).

3. The production equipment for mill bearing bushing according to claim 1, characterized in that: The mold mechanism (2) comprises a main body base (201), a slide groove (202) is provided on the top of the main body base (201), two limit grooves (203) are provided on the top of the main body base (201), a first side mold (205) and a second side mold (206) are slidably connected to the top of the main body base (201), two limit blocks (204) are fixedly connected to the bottoms of the first side mold (205) and the second side mold (206), a first groove (207) is provided on the tops of the first side mold (205) and the second side mold (206), an injection groove (208) is provided between the first side mold (205) and the second side mold (206), and an inclined block (209) is fixedly connected to the second side mold (206).

4. The production equipment for mill bearing bushing according to claim 3, characterized in that: The driven rack (107) is slidably connected to the slide groove (202), the limit block (204) is slidably connected to the limit groove (203), the inclined block (209) is located inside the injection groove (208), and the first hydraulic rod (101) is slidably connected to the main body base (201).

5. The production equipment for mill bearing bushing according to claim 3, characterized in that: The driven rack (107) is slidably connected to the slide groove (202); the tops of the two driven racks (107) are respectively fixedly connected to the first side mold (205) and the second side mold (206); the lower mold base (108) is located between the first side mold (205) and the second side mold (206); the lower mold base (108) is slidably connected to the first side mold (205) and the second side mold (206) via a slider (109).

6. The production equipment for mill bearing bushing according to claim 3, characterized in that: The cooling mechanism (3) comprises two circulating water pumps (301), and four cooling pipes (302) are fixedly connected to the sides of the two circulating water pumps (301) that are close to each other.

7. The production equipment for mill bearing bushing according to claim 6, characterized in that: The first side mold (205) and the second side mold (206) are located between two circulating water pumps (301), and the cooling pipe (302) respectively penetrates the surface of the first side mold (205) and the second side mold (206) and extends to the inside of the first side mold (205) and the second side mold (206).

8. The production equipment for mill bearing bushing according to claim 6, characterized in that: The injection molding mechanism (4) comprises a hydraulic seat (401), the bottom of the hydraulic seat (401) is slidably connected to a second hydraulic rod (402), the bottom of the second hydraulic rod (402) is fixedly connected to an upper mold seat (403), the bottom of the upper mold seat (403) is provided with a first convex block (404), the upper mold seat (403) is provided with an injection hole (405), the bottom of the upper mold seat (403) is fixedly connected to a plurality of second convex blocks (406), and the bottom of the upper mold seat (403) is fixedly connected to two convex rods (407).

9. The production equipment for mill bearing bushing according to claim 8, characterized in that: The size of the first protrusion (404) matches the size of the first groove (207), the first protrusion (404) is clamped with the first groove (207), and the upper mold base (403) is located above the first side mold (205) and the second side mold (206).

10. A mill bearing bushing, applied to a mill bearing bushing production device as claimed in claims 1 to 9, comprising a bearing bushing mechanism (5), characterized in that: The bearing mechanism (5) comprises a bearing body (501), a plurality of second grooves (502) are evenly arranged on the top of the bearing body (501), two small holes (503) are arranged on the top of the bearing body (501), and two inclined grooves (504) are respectively arranged on both sides of the bearing body (501), the size of the second groove (502) is matched with the size of the second protrusion (406), the size of the small hole (503) is matched with the size of the protrusion rod (407), and the size of the inclined groove (504) is matched with the size of the inclined block (209).

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