A vertical numerical control grinding machine for machining shaft workpieces

Abstract

The application discloses a vertical numerical control grinding machine for shaft workpiece machining and relates to the technical field of grinding machines, which comprises a supporting frame, a mounting plate fixedly connected to the upper end of the supporting frame, a placing assembly fixedly installed on the output end of a hydraulic cylinder through a piston rod, a back plate fixedly connected to the front side of the upper end of an operation table, guide rails fixedly connected to the back end of the back plate, and a switching assembly which is slidably connected to the outer surfaces of the two guide rails. The vertical numerical control grinding machine for shaft workpiece machining can position the bearing during use, and the placing assembly and the switching assembly can cooperate with each other to process and polish the bearing. In addition, the position of the bearing can be kept unchanged during polishing, and grinding fluid can be added to the surface of the bearing during polishing, so that the polishing and positioning integrality of the whole device is improved, and the overall processing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of grinding technology, and in particular to a vertical CNC grinding machine for machining shaft-type workpieces. Background Technology

[0002] Vertical CNC grinding machines for machining shaft-type workpieces are mainly used for precision grinding of shaft-type workpieces, especially the inner and outer walls of bearings. These vertical CNC grinding machines are usually equipped with advanced CNC systems, which can achieve high-precision automated machining according to preset machining programs and process requirements. The working principle of the grinding machine is to achieve the required surface finish and dimensional accuracy of the workpiece by the relative movement between the grinding wheel and the workpiece surface. In the machining process of bearings, vertical CNC grinding machines can perform precision grinding on the inner and outer walls to ensure that the bearing's geometry, surface quality, and dimensional tolerances meet high standards.

[0003] Vertical CNC grinding machines are typically designed with an adjustable worktable that can fix the bearing in a suitable position and maintain its stability. The grinding machine is also equipped with grinding tools of different specifications and types, enabling efficient grinding of both internal and external diameters. Through the CNC system, operators can set different processing parameters, such as feed rate, rotational speed, and depth of cut, to meet the processing requirements of different types of bearings. This automated and precise processing method not only improves production efficiency but also ensures precise control over every detail during processing, thereby significantly improving the quality and performance of the bearings.

[0004] However, existing technologies for grinding bearings involve cumbersome procedures, typically requiring manual adjustment of the workpiece's limiting position and subsequent grinding. Each step demands manual intervention, which is not only time-consuming but also prone to errors due to the multiple steps involved, affecting grinding accuracy. Furthermore, the transition between the limiting and grinding processes is often unsmooth, potentially causing bearings to detach during the process, impacting processing quality and production efficiency. This solution aims to address these issues through optimized design. By employing a more automated and intelligent system, it ensures a smooth transition between the limiting and grinding processes, avoiding cumbersome manual operations and reducing the risk of bearing detachment, thereby improving processing accuracy and production efficiency.

[0005] Chinese Patent Publication No. CN217019662U discloses a vertical cylindrical grinding machine for machining shaft-type workpieces, belonging to the field of cylindrical grinding machine technology. It solves the problems of poor grinding effect and low work efficiency in existing vertical cylindrical grinding machines for machining shaft-type workpieces. Its key technical points are: a clamping and rotating mechanism for fixing the shaft-type workpiece is provided on the worktable; a linear adjustment mechanism is provided at the connection between the first and second moving seats; and a reciprocating drive mechanism is provided at the connection between the second moving seat and the second support seat. The clamping drive group and the radial drive group, in a cooperative connection, can drive the shaft-type workpiece to rotate in a fixed position. The grinding disc can be detached and installed on the rotary mounting seat via a mounting block. The linear adjustment mechanism can drive the first rack to slide on the first slide rod, thereby adjusting the grinding distance of the grinding disc. The reciprocating drive mechanism can drive the grinding disc to perform a more comprehensive grinding operation on the outer side of the support plate, resulting in the advantages of good grinding effect and high work efficiency.

[0006] The equipment described in the aforementioned patent document can only grind the outer surface of the bearing during use. However, in actual use, it cannot grind both the inner and outer surfaces of the bearing simultaneously, nor can it achieve a smooth transition between the bearing positioning and grinding processes, thereby reducing the bearing's machining accuracy. Summary of the Invention

[0007] The main objective of this invention is to provide a vertical CNC grinding machine for machining shaft-type workpieces, which can effectively solve the problems in the background art.

[0008] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0009] A vertical CNC grinding machine for machining shaft-type workpieces includes a support frame. A mounting plate is fixedly connected to the upper end of the support frame. A hydraulic cylinder is fixedly connected to the rear side of the upper end of the mounting plate. A connecting block is fixedly connected to the output end of the hydraulic cylinder via a piston rod. An operating table is fixedly connected to the upper end of the connecting block. A hydraulic cylinder is fixedly connected to the middle right side of the upper end of the operating table. A placement component is fixedly installed at the output end of the hydraulic cylinder via a piston rod. A back plate is fixedly connected to the front side of the upper end of the operating table. Guide rails are fixedly connected to both sides of the rear end of the back plate. A motor is fixedly connected to the upper side of the middle rear end of the back plate. A switching component is slidably connected to the outer surfaces of the two guide rails.

[0010] Preferably, the placement component includes a mounting platform. The lower end of the mounting platform is slidably connected to a slide rail on the upper end of the operating platform via a slider. Seven placement slots are linearly arranged on the left side of the middle part and the right side of the middle part of the upper end of the mounting platform. Two springs are fixedly connected to the bottom wall of each of the two placement slots on both sides. Limit blocks are fixedly connected to the upper ends of the two springs on the same side. Seven circular slots are linearly arranged in the middle part of the upper end of the mounting platform. Seven circular slots are linearly arranged in the middle part of the upper end of the mounting platform. The circular slots on the same side are located to the right of the circular slots on the same side. An insertion hole is formed in the middle of the bottom wall of each of the seven circular slots. An insertion hole is formed in the middle of the bottom wall of each of the seven circular slots. A rectangular groove is formed in the bottom wall of the seven insertion holes. A driving component is rotatably mounted on the bottom wall of the rectangular groove.

[0011] Preferably, the drive assembly includes a drive belt, the inner surface of which is provided with a plurality of meshing grooves arranged in an array, the top wall of which is linearly arrayed with seven cylinders rotatably connected, the seven cylinders being arranged with the same center as the seven insertion holes, the outer surface of which is provided with a plurality of teeth arranged in an annular array, the upper middle part of which is provided with a hexagonal groove, and the leftmost and rightmost sides of the inner surface of the drive belt are meshed with drive mechanisms.

[0012] Preferably, the switching assembly includes a vertical plate, the front left and right sides of which are slidably connected to two guide rails respectively, a threaded block fixedly connected to the middle of the rear end of the vertical plate, a threaded rod fixedly connected to the motor output end via a coupling, the threaded rod being threadedly connected to the threaded block, a horizontal plate fixedly connected to the upper rear end of the vertical plate, extension rods fixedly connected to the rear left and rear right ends of the horizontal plate, support rods fixedly connected to the lower ends of the two extension rods on opposite sides, extrusion columns fixedly connected to the left and right sides of the lower rear end of the horizontal plate, hollow cylinders slidably connected to the outer surfaces of the two extrusion columns, springs fixedly connected to the bottom walls of the two hollow cylinders and the lower ends of the extrusion columns on the same side, a water outlet assembly fixedly installed at the lower ends of the two hollow cylinders, and a grinding assembly fixedly installed on the lower outer surface of the water outlet assembly.

[0013] Preferably, the water outlet assembly includes a cover plate, the upper end of which is fixedly connected to the lower ends of the two hollow cylinders. A water squeezing block is fixedly connected to the rear side of the lower end of the cover plate. Seven pressing plates are linearly arrayed and fixedly connected to the front side of the lower end of the cover plate. A water storage box is slidably connected to the outer surface of the water squeezing block. Seven air inlet slots are linearly arrayed on the front side of the upper end of the water storage box. A connecting slot is formed on the lower part of the front side wall of the inner surface of each of the seven air inlet slots. A baffle is slidably connected to the inner surface of each of the seven connecting slots. A first drain outlet is formed on the middle front side of the upper end of each of the seven baffles. Seven second drain outlets are linearly arrayed on the middle bottom wall of the water storage box.

[0014] Preferably, the polishing assembly includes a fitting plate, the upper end of which is fixedly connected to the lower end of the water storage box. L-shaped plates are slidably connected to the front and rear sides of the left end and the front and rear sides of the right end of the fitting plate. Seven rubber rollers (first type) are linearly arrayed and rotatably connected to the middle of the lower end of the fitting plate. Seven rubber rollers (second type) are linearly arrayed and rotatably connected to the middle of the lower end of the fitting plate. The rubber rollers (second type) on the same side are located to the right of the rubber rollers (first type) on the same side. Seven pressing platforms are linearly arrayed and fixedly connected to the left and right sides of the lower end of the fitting plate. Grooves are formed at the ends of the pressing platforms on the left and right sides that are close to each other. Several auxiliary rollers are rotatably connected to the inner surface of the grooves on the same side. Seven drain outlets (third type) are linearly arrayed in the middle of the upper end of the fitting plate. Seven sets of arc-shaped polishing plates are linearly arrayed and fixedly connected to the lower end of the fitting plate. The seven sets of arc-shaped polishing plates are distributed in pairs. The cavities formed by two arc-shaped polishing plates on the same side are vertically aligned with the drain outlets (third type) on the same side.

[0015] Preferably, each of the seven rubber rollers has a secondary rod 1 fixedly connected to the middle of its lower end, a hexagonal column fixedly connected to the middle of its lower end, and a secondary rod 2 fixedly connected to the middle of its lower end. The hexagonal column on the same side and the hexagonal groove on the same side cooperate with each other.

[0016] Preferably, the lower ends of both support rods are fixedly connected to the upper end of the fitting plate.

[0017] Preferably, the seven drain outlets 2 and 7 drain outlets 3 are arranged vertically aligned.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention uses a placement component to limit the bearing position during use. The placement component and the switching component work together to process and grind the bearing. During the grinding process, the bearing position remains unchanged. Grinding fluid can also be added to the bearing surface during the grinding process, which improves the integration of the overall device in processing, grinding and limiting, thereby improving the overall processing efficiency and the processing accuracy of the bearing.

[0020] 2. The present invention, through the setting of the switching component, cooperates with the placement component during use, making the switching more convenient and faster during the limiting and grinding process, and can achieve the grinding process of the bearing without the need for additional adjustment of the bearing position. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall structure of the present invention from the left side;

[0023] Figure 3 This is a schematic diagram of the overall structure of the switching component of the present invention;

[0024] Figure 4 This is a schematic diagram of the overall structure of the water outlet component of the present invention;

[0025] Figure 5 This is a schematic diagram of the overall structure of the polishing component of the present invention;

[0026] Figure 6 This is a schematic diagram of the overall structure of the polishing component of the present invention from another perspective;

[0027] Figure 7 This is a schematic cross-sectional view of the left side of the overall structure of the placement component of the present invention;

[0028] Figure 8 This is a schematic diagram of the overall structure of the placement component of the present invention;

[0029] Figure 9 This is a schematic diagram of the overall structure of the drive component of the present invention;

[0030] Figure 10 For the present invention Figure 4 Enlarged schematic diagram of the structure at point A in the middle;

[0031] Figure 11 For the present invention Figure 6 Enlarged schematic diagram of the structure at point B;

[0032] Figure 12 For the present invention Figure 8 Enlarged schematic diagram of the structure at point C.

[0033] In the diagram: 1. Support frame; 2. Mounting plate; 3. Hydraulic cylinder one; 4. Operating table; 5. Hydraulic cylinder two; 6. Placement assembly; 61. Mounting platform; 62. Placement slot; 63. Spring one; 64. Limit block; 65. Circular slot one; 66. Circular slot two; 67. Insertion hole one; 68. Insertion hole two; 69. Drive assembly; 60. Rectangular slot; 691. Drive belt; 692. Engaging slot; 693. Cylindrical; 694. Tooth; 695. Hexagonal slot; 696. Drive mechanism; 7. Back plate; 8. Guide rail; 9. Motor; 10. Switching assembly; 101. Vertical plate; 102. Horizontal plate; 103. Extension rod; 104. Support rod; 105. Extrusion column; 106. 108. Hollow cylinder; 109. Spring 2; 100. Water outlet assembly; 1081. Cover plate; 1082. Water squeezing block; 1083. Pressing plate; 1084. Water storage box; 1085. Air inlet slot; 1086. Connecting slot; 1087. Baffle; 1088. Drain outlet 1; 1089. Drain outlet 2; 109. Grinding assembly; 1091. Fitting plate; 1092. L-shaped plate; 1093. Rubber roller 1; 1094. Rubber roller 2; 1095. Pressing table; 1096. Groove; 1097. Auxiliary roller; 1098. Drain outlet 3; 1099. Arc-shaped grinding plate; 10931. Secondary rod 1; 10932. Hexagonal column; 10941. Secondary rod 2. Detailed Implementation

[0034] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0035] Example 1, as Figure 1 and Figure 2 As shown, a vertical CNC grinding machine for machining shaft-type workpieces includes a support frame 1. A mounting plate 2 is fixedly connected to the upper end of the support frame 1. A hydraulic cylinder 3 is fixedly connected to the rear side of the upper end of the mounting plate 2. A connecting block is fixedly connected to the output end of the hydraulic cylinder 3 via a piston rod. An operating table 4 is fixedly connected to the upper end of the connecting block. A hydraulic cylinder 5 is fixedly connected to the middle right side of the upper end of the operating table 4. A placement component 6 is fixedly installed at the output end of the hydraulic cylinder 5 via a piston rod. A back plate 7 is fixedly connected to the front side of the upper end of the operating table 4. Guide rails 8 are fixedly connected to both sides of the rear end of the back plate 7. A motor 9 is fixedly connected to the upper side of the middle rear end of the back plate 7. A switching component 10 is slidably connected to the outer surfaces of the two guide rails 8.

[0036] During use, by controlling hydraulic cylinder 3, the output end of hydraulic cylinder 3 can drive the fixed block fixedly connected to it to move forward through the piston rod. Since the fixed block is fixedly connected to the operating table 4, the operating table 4 will move forward with the fixed block. When the operating table 4 moves forward, the placement component 6 fixedly connected to its upper end also moves forward. At this time, the placement component 6 carries the bearing placed on its upper end forward. When it moves to the foremost side, the motor 9 is started, causing the motor 9 to drive the switching component 10 to move downward. The switching component 10 slides downward under the limiting and guiding action of the two guide rails 8. At this time, the switching component 10 squeezes the placement component 6, thereby realizing the limiting grinding of the bearing placed on the placement component 6 by the switching component 10. At the same time, during the limiting grinding of the placement component 6 by the switching component 10, grinding fluid can also be added to the surface of the bearing, thereby improving the grinding efficiency of the bearing.

[0037] The hydraulic cylinder 3 and the operating platform 4 mentioned above are conventional settings in the prior art. In this solution, it is only necessary to ensure that when the hydraulic cylinder 3 is started, its output end drives the fixed block to move forward through the piston rod, and the fixed block is fixedly connected to the operating platform 4 so that the operating platform 4 moves forward. Therefore, the specific installation method, circuit connection method and control method of the hydraulic cylinder 3, the operating platform 4 and the fixed block are all conventional designs, and this solution will not elaborate on them in detail.

[0038] Example 2, as Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 12 As shown, in this embodiment, the placement component 6 includes a mounting platform 61. The lower end of the mounting platform 61 is slidably connected to the slide rail at the upper end of the operating platform 4 via a slider. Seven placement slots 62 are linearly arrayed on the left and right sides of the upper middle portion of the mounting platform 61. Two springs 63 are fixedly connected to the bottom walls of the placement slots 62 on both sides. Limit blocks 64 are fixedly connected to the upper ends of the two springs 63 on the same side. Seven circular slots 65 are linearly arrayed on the middle portion of the upper end of the mounting platform 61. Seven circular slots 66 are linearly arrayed on the middle portion of the upper end of the mounting platform 61. The circular slots 66 on the same side are located to the right of the circular slots 65 on the same side. Insertion holes 67 are opened in the middle of the bottom walls of the seven circular slots 66. Insertion holes 68 are opened in the middle of the bottom walls of the seven circular slots 65. A rectangular slot 60 is opened in the bottom walls of the seven insertion holes 68. A drive component 69 is rotatably mounted on the bottom wall of the rectangular slot 60.

[0039] Furthermore, the drive assembly 69 includes a drive belt 691, the inner surface of which is provided with an array of meshing grooves 692, the top wall of which is linearly arrayed with seven cylinders 693, the seven cylinders 693 being arranged with the same center as the seven insertion holes 68, the outer surface of which is fixedly connected with a number of teeth 694 in an annular array, the upper middle part of which is provided with a hexagonal groove 695, and the leftmost and rightmost sides of the inner surface of the drive belt 691 are meshed with drive mechanisms 696.

[0040] Furthermore, the switching component 10 includes a vertical plate 101. The left and right sides of the front end of the vertical plate 101 are slidably connected to two guide rails 8, respectively. A threaded block is fixedly connected to the middle of the rear end of the vertical plate 101. A threaded rod is fixedly connected to the output end of the motor 9 through a coupling. The threaded rod is threadedly connected to the threaded block. A horizontal plate 102 is fixedly connected to the upper rear end of the vertical plate 101. Extension rods 103 are fixedly connected to the rear left and rear right sides of the horizontal plate 102. Support rods 104 are fixedly connected to the lower ends of the two extension rods 103 on opposite sides. Extrusion columns 105 are fixedly connected to the left and right sides of the lower rear end of the horizontal plate 102. Hollow cylinders 106 are slidably connected to the outer surfaces of the two extrusion columns 105. Springs 107 are fixedly connected to the bottom walls of the two hollow cylinders 106 and the lower ends of the extrusion columns 105 on the same side. A water outlet component 108 is fixedly installed at the lower ends of the two hollow cylinders 106. A grinding component 109 is fixedly installed on the lower outer surface of the water outlet component 108.

[0041] Furthermore, the water outlet assembly 108 includes a cover plate 1081, the upper end of which is fixedly connected to the lower ends of two hollow cylinders 106. A squeezing block 1082 is fixedly connected to the rear side of the lower end of the cover plate 1081. Seven pressing plates 1083 are linearly arrayed and fixedly connected to the front side of the lower end of the cover plate 1081. A water storage box 1084 is slidably connected to the outer surface of the squeezing block 1082. Seven air inlet slots 1085 are linearly arrayed on the front side of the upper end of the water storage box 1084. A connecting slot 1086 is opened on the lower part of the front side wall of the inner surface of each of the seven air inlet slots 1085. A baffle 1087 is slidably connected to the inner surface of each of the seven connecting slots 1086. A first drain outlet 1088 is opened in the middle of the front side of the upper end of each of the seven baffles 1087. Seven second drain outlets 1089 are linearly arrayed in the middle of the bottom wall of the water storage box 1084.

[0042] Furthermore, the polishing assembly 109 includes a mating plate 1091, the upper end of which is fixedly connected to the lower end of the water storage box 1084. L-shaped plates 1092 are slidably connected to the front and rear sides of the left end and the front and rear sides of the right end of the mating plate 1091. Seven rubber rollers 1093 are linearly arrayed and rotatably connected to the middle of the lower end of the mating plate 1091, and seven rubber rollers 1094 are linearly arrayed and rotatably connected to the middle of the lower end of the mating plate 1091. The rubber rollers 1094 on the same side are located to the right of the rubber rollers 1093 on the same side. The left and right sides of the lower end of the mating plate 1091 are linearly arrayed and fixed. Seven pressing platforms 1095 are connected. The pressing platforms 1095 on the left and right sides are respectively provided with grooves 1096 at their close ends. Several auxiliary rollers 1097 are rotatably connected to the inner surface of the grooves 1096 on the same side. Seven drain outlets 1098 are linearly arranged in the middle of the upper end of the mating plate 1091. Seven sets of arc-shaped grinding plates 1099 are linearly arranged and fixedly connected to the lower end of the mating plate 1091. The seven sets of arc-shaped grinding plates 1099 are distributed in pairs. The cavities formed by two arc-shaped grinding plates 1099 on the same side are aligned vertically with the drain outlets 1098 on the same side.

[0043] Furthermore, each of the seven rubber rollers 1093 has a secondary rod 10931 fixedly connected to the middle of its lower end, and each of the seven secondary rods 10931 has a hexagonal column 10932 fixedly connected to the middle of its lower end. Each of the seven rubber rollers 1094 has a secondary rod 10941 fixedly connected to the middle of its lower end. The hexagonal column 10932 on the same side cooperates with the hexagonal groove 695 on the same side.

[0044] Furthermore, the lower ends of both support rods 104 are fixedly connected to the upper end of the mating plate 1091.

[0045] Furthermore, the seven sinkholes 21089 are arranged vertically aligned with the seven sinkholes 31098.

[0046] During use, by placing the bearings to be processed between the two pressing tables 1095 on the same side, seven bearings can be placed in sequence. When the bearings are placed, the output end of the hydraulic cylinder 3 can be controlled to drive the operating table 4 to move forward. When the operating table 4 moves forward, the mounting table 61 slidably connected to the upper end of the operating table 4 moves forward. When the mounting table 61 moves forward, it can simultaneously drive the bearings placed on its upper end to move forward. When the mounting table 61 moves to the frontmost side, the motor 9 can be started, so that the output end of the motor 9 drives the threaded rod fixedly connected to it to rotate through the coupling. When the threaded rod rotates, since the threaded block on its surface is fixedly connected to the front end of the vertical plate 101, and the left and right sides of the front end of the vertical plate 101 are slidably connected to the two guide rails 8 respectively, the vertical plate 101 can move downward.

[0047] When the vertical plate 101 moves downward, the horizontal plate 102 moves downward accordingly. The horizontal plate 102 can drive the support rods 104 on both sides to move downward through the extension rods 103 fixedly connected to its left and right ends. Since the upper end of the fitting plate 1091 is fixedly connected to the lower end of the two support rods 104, the fitting plate 1091 moves downward accordingly. When the fitting plate 1091 moves downward, the seven rubber rollers 1093 rotatably connected to its lower end respectively adhere to the right side of the inner surface of the bearing on the same side, while the seven rubber rollers 1094 rotatably connected to the lower end of the fitting plate 1091 respectively adhere to the right side of the outer surface of the bearing on the same side. At the same time, the gap between the two arc-shaped grinding plates 1099 on the same side covers the left inner surface and outer surface of the bearing on the same side.

[0048] During this process, the lower end of the pressing table 1095 on the same side presses the upper end of the limiting block 64 on the same side, causing the limiting block 64 on the same side to slide into the placement groove 62 on the same side, and compressing the spring 63 on the same side. At the same time, the lower ends of the four L-shaped plates 1092 are attached to the upper end of the mounting table 61, causing the fitting plate 1091 to slide downward on the inner surface of the four L-shaped plates 1092. The auxiliary rod 10931 fixedly connected to the lower end of the rubber roller 1093 on the same side enters the insertion hole 68 on the same side, the auxiliary rod 10941 on the same side enters the insertion hole 67 on the same side, and the hexagonal column 10932 fixedly connected to the lower end of the auxiliary rod 10931 on the same side engages into the hexagonal groove 695 on the same side.

[0049] Then, by activating the drive mechanisms 696 on both sides, the drive mechanisms 696 on both sides drive the transmission belt 691 that is meshed with it. When the transmission belt 691 is driving, since the teeth 694 fixedly connected in a ring array on the outer surface of the cylinder 693 on the same side are meshed with the meshing groove 692, the seven cylinders 693 can be driven to rotate through the meshing groove 692 when the transmission belt 691 is driving. When the cylinder 693 on the same side rotates, the hexagonal prism 10932 engaged on its inner surface rotates accordingly. Therefore, the hexagonal prism 10932 on the same side can drive the rubber roller 1093 to rotate through the auxiliary rod 10931.

[0050] When the rubber roller 1093 on the same side rotates, the rubber roller 1093 and the rubber roller 2 1094 on the same side are in contact with the inner and outer surfaces of the bearing, respectively, which can drive the bearing to rotate. When the bearing rotates, the two arc-shaped grinding plates 1099 on the same side cover the outer and inner surfaces of the left side of the bearing, which allows the two arc-shaped grinding plates 1099 on the same side to grind the bearing.

[0051] During the bearing grinding process, several auxiliary rollers 1097, rotatably connected to the inner surface of the pressing table 1095 on the same side, adhere to the bearing surface on the same side, thereby assisting the transmission of the bearing during grinding. At the same time, as the horizontal plate 102 moves downward, the lower end of the horizontal plate 102 can press the pressing column 105 on the same side, causing the pressing column 105 to press the spring 107 on the same side, and causing the seven pressing plates 1083, which are linearly arrayed and fixedly connected to the front side of the lower end of the cover plate 1081, to slide into the air inlet groove 1085 on the same side. The air pressure inside the air inlet groove 1085 on the same side is compressed, which in turn pushes the baffle 1087 to the rear side through the connecting groove 1086 on the same side, and makes it fit against the front side wall of the inner surface of the connecting groove 1086. At this time, the first drain outlet 1088 opened at the upper end of the baffle 1087 on the same side matches the second drain outlet 1089 and the third drain outlet 1098, and they are aligned vertically. At this time, the grinding fluid in the water storage box 1084 flows to the bearing surface, thereby achieving cooling and lubrication during the grinding of the bearing, thus improving the grinding efficiency of the bearing.

[0052] When the bearing is polished, the vertical plate 101 can be moved upward by controlling the motor 9, and the whole device will return to the initial state. The specific steps to return to the initial state are the opposite of the above operation steps, so this solution will not elaborate on them.

[0053] When the pressing plate 1083 moves upward in the air inlet groove 1085, it can pull the baffle 1087 forward, so that the baffle 1087 returns to its initial state, and then block the drain outlet 1089.

[0054] At this point, by controlling hydraulic cylinder 25, the mounting platform 61 can be pushed to the left, thus completing the processing of the bearing.

[0055] The hydraulic cylinder 5 and the operating platform 4 mentioned above are conventional settings in the prior art. In this solution, it is only necessary to control the hydraulic cylinder 5 so that its output end drives the slider at the lower end of the mounting platform 61 to move, thereby allowing the lower end of the mounting platform 61 to slide on the slide rail on the upper side of the operating platform 4. The specific installation method, circuit connection method and control method are all conventional designs, so this solution will not provide detailed parameters.

[0056] The two drive mechanisms 696 mentioned above consist of gears and built-in motors in the prior art. In this solution, it is only necessary to ensure that the two drive mechanisms 696 rotate in the same direction when they start and engage with the meshing groove 692 opened on the inner surface of the transmission belt 691. The specific installation method, circuit connection method and control method are all conventional designs, so this solution will not elaborate on them in detail.

[0057] It should be noted that the specific installation method of the motor 9, the circuit connection method, and the control method used in this invention are all conventional designs, and will not be described in detail here.

[0058] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A vertical CNC grinding machine for machining shaft-type workpieces, comprising a support frame (1), characterized in that: The support frame (1) is fixedly connected to the upper end of the mounting plate (2). The upper rear side of the mounting plate (2) is fixedly connected to the first hydraulic cylinder (3). The output end of the first hydraulic cylinder (3) is fixedly connected to the connecting block through the piston rod. The upper end of the connecting block is fixedly connected to the operating table (4). The middle right side of the upper end of the operating table (4) is fixedly connected to the second hydraulic cylinder (5). The output end of the second hydraulic cylinder (5) is fixedly installed with the placement component (6) through the piston rod. The front side of the upper end of the operating table (4) is fixedly connected to the back plate (7). The rear sides of the back plate (7) are fixedly connected to the guide rails (8). The upper side of the middle rear end of the back plate (7) is fixedly connected to the motor (9). The outer surfaces of the two guide rails (8) are slidably connected to the switching component (10). The placement component (6) includes a mounting platform (61). The lower end of the mounting platform (61) is slidably connected to the slide rail at the upper end of the operating table (4) via a slider. Seven placement slots (62) are linearly arrayed on the left side of the upper middle part and the right side of the upper middle part of the mounting platform (61). Two springs (63) are fixedly connected to the bottom wall of each of the two placement slots (62) on both sides. Limit blocks (64) are fixedly connected to the upper ends of the two springs (63) on the same side. Seven placement slots (62) are linearly arrayed on the upper middle part of the mounting platform (61). A circular groove 1 (65) is provided. The upper middle part of the mounting platform (61) has seven circular grooves 2 (66) arranged in a linear array. The circular grooves 2 (66) on the same side are respectively located to the right of the circular groove 1 (65) on the same side. The bottom wall of each of the seven circular grooves 2 (66) is provided with a socket 1 (67). The bottom wall of each of the seven circular grooves 1 (65) is provided with a socket 2 (68). The bottom wall of each of the seven sockets 2 (68) is provided with a rectangular groove (60). The bottom wall of the rectangular groove (60) is rotatably mounted with a drive assembly (69). The drive assembly (69) includes a drive belt (691). The inner surface of the drive belt (691) is provided with a plurality of meshing grooves (692) arranged in an array. The top wall of the rectangular groove (60) is linearly arrayed with seven cylinders (693). The seven cylinders (693) are respectively arranged with the seven insertion holes (68) at the same center. The outer surface of the seven cylinders (693) is fixedly connected with a plurality of teeth (694) in an annular array. The upper middle part of the seven cylinders (693) is provided with a hexagonal groove (695). The leftmost and rightmost sides of the inner surface of the drive belt (691) are meshed with drive mechanisms (696). The switching assembly (10) includes a vertical plate (101). The left and right sides of the front end of the vertical plate (101) are slidably connected to two guide rails (8), respectively. A threaded block is fixedly connected to the middle of the rear end of the vertical plate (101). A threaded rod is fixedly connected to the output end of the motor (9) through a coupling. The threaded rod is threadedly connected to the threaded block. A horizontal plate (102) is fixedly connected to the upper rear end of the vertical plate (101). Extension rods (103) are fixedly connected to the rear left and rear right sides of the horizontal plate (102). The lower ends of the two extension rods (103) are far apart from each other. A support rod (104) is fixedly connected to one side of the horizontal plate (102). Extrusion columns (105) are fixedly connected to the left and right sides of the lower rear part of the horizontal plate (102). Hollow cylinders (106) are slidably connected to the outer surfaces of the two extrusion columns (105). Springs (107) are fixedly connected to the bottom walls of the two hollow cylinders (106) and the lower ends of the extrusion columns (105) on the same side. A water outlet assembly (108) is fixedly installed at the lower ends of the two hollow cylinders (106). A polishing assembly (109) is fixedly installed on the lower part of the outer surface of the water outlet assembly (108). The water outlet assembly (108) includes a cover plate (1081), the upper end of which is fixedly connected to the lower ends of the two hollow cylinders (106). A water-squeezing block (1082) is fixedly connected to the rear side of the lower end of the cover plate (1081). Seven pressing plates (1083) are fixedly connected in a linear array to the front side of the lower end of the cover plate (1081). A water storage box (1084) is slidably connected to the outer surface of the water-squeezing block (1082). The upper front side of the water storage box (1084) has seven air inlets (1085) arranged in a linear array. The lower part of the front side wall of the inner surface of each of the seven air inlets (1085) has a connecting groove (1086). The inner surface of each of the seven connecting grooves (1086) is slidably connected with a baffle (1087). The middle part of the upper front side of each of the seven baffles (1087) has a drain outlet (1088). The middle part of the bottom wall of the water storage box (1084) has seven drain outlets (1089) arranged in a linear array. The polishing assembly (109) includes a mating plate (1091), the upper end of which is fixedly connected to the lower end of the water storage box (1084). L-shaped plates (1092) are slidably connected to the front and rear sides of the left end and the front and rear sides of the right end of the mating plate (1091). Seven rubber rollers (1093) are linearly arrayed and rotatably connected to the middle of the lower end of the mating plate (1091). Seven rubber rollers (1094) are linearly arrayed and rotatably connected to the middle of the lower end of the mating plate (1091). The rubber rollers (1094) on the same side are located to the right of the rubber rollers (1093) on the same side. The lower left and right sides of the mating plate (1091) are linearly arrayed and fixedly connected. Seven pressing platforms (1095) are fixedly connected. The pressing platforms (1095) on the left and right sides are respectively provided with grooves (1096) at their close ends. Several auxiliary rollers (1097) are rotatably connected to the inner surface of the grooves (1096) on the same side. Seven drain outlets (1098) are linearly arranged in the middle of the upper end of the fitting plate (1091). Seven sets of arc-shaped grinding plates (1099) are linearly arranged and fixedly connected to the lower end of the fitting plate (1091). The seven sets of arc-shaped grinding plates (1099) are arranged in pairs. The cavities formed by the two arc-shaped grinding plates (1099) on the same side are aligned vertically with the drain outlets (1098) on the same side.

2. A vertical CNC grinding machine for machining shaft-type workpieces according to claim 1, characterized in that: Each of the seven rubber rollers (1093) has a secondary rod (10931) fixedly connected to the middle of its lower end. Each of the seven secondary rods (10931) has a hexagonal column (10932) fixedly connected to the middle of its lower end. Each of the seven rubber rollers (1094) has a secondary rod (10941) fixedly connected to the middle of its lower end. The hexagonal column (10932) on the same side cooperates with the hexagonal groove (695) on the same side.

3. A vertical CNC grinding machine for machining shaft-type workpieces according to claim 1, characterized in that: The lower ends of both support rods (104) are fixedly connected to the upper end of the interlocking plate (1091).

4. A vertical CNC grinding machine for machining shaft-type workpieces according to claim 1, characterized in that: The seven drainage outlets 2 (1089) are arranged vertically aligned with the seven drainage outlets 3 (1098).

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