High-precision linear rail grinding machine

Abstract

The utility model relates to the technical field of linear guide rail grinding machines, and discloses a high-precision linear guide rail grinding machine which comprises a working table, a support is fixedly connected to the outer surface of the working table, and a grinding device is arranged above the working table. According to the high-precision linear rail grinding machine, by arranging a second motor, a mounting shell, a sealing cover, a grinding block, a mounting pipe, a mounting bolt and a water pump, the second motor is started, the mounting pipe and the grinding block are driven to rotate, a workpiece is ground through the grinding block, the grinding block is convenient to mount and dismount by rotating the bolt, the grinding block is convenient to replace, and the water pump is started; a water body penetrates through a water pump, a sealing cover and a mounting pipe, and then the water body is sprayed out of the mounting pipe, so that the water body flushes grinding scraps and cools a grinding workpiece and a grinding block; by arranging the rack, the linear rail, the gear and the rotating shaft, when the rotating shaft rotates, the gear starts the rack to move up and down, the grinding part moves up and down, the rack is positioned through the linear rail, the rack is more stable during moving, and the grinding precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of linear guide grinders, and particularly relates to a high-precision linear guide grinder. Background Technique

[0002] A grinder is a machine tool that uses grinding tools to grind the surface of workpieces. Most grinders use high-speed rotating grinding wheels for grinding, and a few use other grinding tools such as oilstones and abrasive belts and free abrasives for processing.

[0003] A Chinese patent discloses a vertical grinder with a publication number of CN205888828U, which includes a base arranged horizontally and transversely. At least two V-shaped chutes arranged horizontally and transversely are provided at the upper end of the base, and a column seat is arranged at the side end in the middle position. A workbench arranged horizontally and transversely is installed at the upper end of the chute. The workbench is connected with a workbench drive shaft assembly arranged horizontally and transversely. A hollow column arranged vertically is installed at the upper end of the column seat. A vertical linear guide is arranged at the upper end of the column. A slide seat is installed at the upper end of the vertical linear guide. A grinding arm arranged horizontally is arranged at the upper end of the slide seat. A grinding head arranged horizontally is installed at the upper end of the grinding arm. The utility model has the advantages of novel design, simple structure, fast processing speed and high precision.

[0004] However, it still has the following disadvantages: The device uses a grinding head to polish the workpiece, but a large amount of heat and dust are generated during the polishing process. The device is provided with relevant structures to cool and remove dust from the grinding block, which affects the polishing precision of the device. For this reason, we propose a high-precision linear guide grinder to solve this problem. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-precision linear guide grinder to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A high-precision linear guide grinder includes a workbench. A bracket is fixedly connected to the outer surface of the workbench. A grinding device is arranged above the workbench. The grinding device includes a grinding part.

[0007] The grinding part includes a mounting shell, a sealing cover, a mounting pipe and a water pump. A water tank is arranged inside the workbench. The back of the water pump is fixedly connected to the front of the workbench. The outer surface of the rear end of the water pump inlet pipe fixedly penetrates the front of the workbench and is communicated with the inside of the water tank. The inner wall of the sealing cover is rotatably sleeved on the outer surface of the mounting pipe through a sealing bearing.

[0008] An adjusting part is arranged above the workbench.

[0009] The adjusting part includes a worm, a worm wheel, a first motor, a rack and a rotating shaft. The bottom surface of the worm is fixedly connected to the top surface of the output shaft of the first motor. The worm wheel is fixedly sleeved on the outer surface of the rotating shaft. The bottom surface of the rack is fixedly connected to the top surface of the mounting shell. A through hole is opened on the top surface of the bracket. The top end of the rack passes through the through hole and extends to the top of the bracket. The outer surface of the front end of the rotating shaft rotates through the back of the bracket through the first bearing and extends to the inside of the bracket.

[0010] A further improvement is that the grinding part also includes a second motor, a grinding block and a mounting bolt, the outer surface of the mounting tube is provided with a groove, the outer surface of the grinding block extends into the groove, the outer surface thread of the mounting bolt penetrates the inner wall of the grinding block and extends into the mounting tube, and by arranging the mounting bolt, the mounting tube and the grinding block, the mounting bolt is utilized to facilitate the installation and disassembly of the grinding block.

[0011] A further improvement is that the back side of the second motor is fixedly connected to the front side of the mounting shell, the outer surface of the rear end of the second motor output shaft rotates through the interior of the mounting shell via a second bearing, and the back side of the second motor output shaft is fixedly connected to the front side of the mounting tube. By setting the second motor and the mounting shell, the second motor is started, the mounting tube and the grinding block are rotated, and the grinding block is used to grind the workpiece.

[0012] A further improvement is that the outer surface of the bottom end of the water pump outlet pipe is fixedly penetrated through the top surface of the mounting shell and extends to the inside of the mounting shell, and the bottom surface of the water pump outlet pipe is fixedly connected with the top surface of the sealing cover. By setting a water pump and a sealing cover, the water pump is started to spray water from the mounting pipe, which can not only flush the grinding debris, but also dissipate heat from the device.

[0013] A further improvement is that the adjustment part also includes a linear rail and a gear, the gear is fixedly sleeved on the outer surface of the rotating shaft, the outer surface of the gear is meshingly connected with the outer surface of the rack, and by arranging the gear, rack and rotating shaft, the rotating shaft is rotated so that the gear drives the rack to move up and down.

[0014] A further improvement is that the front side of the first motor is fixedly connected to the back side of the bracket, the outer surface of the worm is meshingly connected to the outer surface of the worm wheel, and by setting the worm, worm wheel and first motor, the first motor is started, so that the worm drives the worm wheel to rotate, thereby driving the rotating shaft and the gear to rotate, and the self-locking property of the worm and worm wheel is utilized to improve the stability of the rotating shaft.

[0015] A further improvement is that a slide groove is provided on the left end face of the rack, the linear rail is arranged inside the slide groove, the outer surface of the linear rail is slidingly connected to the inner wall of the slide groove, and the left end face of the linear rail is fixedly connected to the inner wall of the bracket. By setting the linear rail, the stability of the rack moving up and down is improved.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the high-precision linear rail grinder is provided with a second motor, a mounting shell, a sealing cover, a grinding block, a mounting tube, a mounting bolt and a water pump, the second motor is started to drive the mounting tube and the grinding block to rotate, so that the grinding block grinds the workpiece, and the installation and disassembly of the grinding block is facilitated by rotating the bolt, and the grinding block is conveniently replaced, the water pump is started to allow water to pass through the water pump, the sealing cover and the mounting tube, and then the water is sprayed out of the mounting tube, so that the water washes the grinding debris and cools the grinded workpiece and the grinding block; the rack, the linear rail, the gear and the rotating shaft are provided, when the rotating shaft rotates, the gear starts the rack to move up and down, so that the grinding part moves up and down, and the linear rail is used to position the rack, so that the rack is more stable when moving, and the grinding accuracy is improved; the first motor, the worm and the worm wheel are provided, the first motor is started, so that the worm drives the worm wheel to rotate, drives the rotating shaft and the gear to rotate, and the self-locking property between the worm and the worm wheel is used to improve the stability of the rotating shaft when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 for Figure 2 A magnified view of the structure at center;

[0020] Figure 4 for Figure 2 A magnified view of the structure at B in the middle;

[0021] Figure 5 It is a partial cross-sectional view of the three-dimensional structure of the grinding part of the utility model.

[0022] In the figure: 1 workbench, 2 grinding device, 21 grinding part, 22 adjusting part, 211 second motor, 212 mounting shell, 213 sealing cover, 214 grinding block, 215 mounting pipe, 216 mounting bolt, 217 water pump, 221 first motor, 222 worm, 223 worm wheel, 224 rack, 225 linear rail, 226 gear, 227 rotating shaft, 3 bracket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See alsoFigures 1 - 5 , the present utility model provides a technical solution: a high-precision linear guide grinding machine, including a workbench 1, a bracket 3 is fixedly connected to the outer surface of the workbench 1, a grinding device 2 is arranged above the workbench 1, and the grinding device 2 includes a grinding part 21;

[0025] The grinding part 21 includes a mounting shell 212, a sealing cover 213, a mounting pipe 215 and a water pump 217. A water tank is arranged inside the workbench 1. The back surface of the water pump 217 is fixedly connected to the front surface of the workbench 1. The outer surface of the rear end of the water inlet pipe of the water pump 217 fixedly penetrates through the front surface of the workbench 1 and is communicated with the inside of the water tank. The inner wall of the sealing cover 213 is rotatably sleeved on the outer surface of the mounting pipe 215 through a sealing bearing. The grinding part 21 further includes a second motor 211, a grinding block 214 and a mounting bolt 216;

[0026] A groove is formed on the outer surface of the mounting pipe 215. The outer surface of the grinding block 214 extends into the groove. The outer surface of the mounting bolt 216 threadedly penetrates through the inner wall of the grinding block 214 and extends into the mounting pipe 215. The back surface of the second motor 211 is fixedly connected to the front surface of the mounting shell 212. The outer surface of the rear end of the output shaft of the second motor 211 rotatably penetrates through the inside of the mounting shell 212 through a second bearing. The back surface of the output shaft of the second motor 211 is fixedly connected to the front surface of the mounting pipe 215;

[0027] The bottom end of the water outlet pipe of the water pump 217 fixedly penetrates through the top surface of the mounting shell 212 and extends into the mounting shell 212. The bottom surface of the water outlet pipe of the water pump 217 is fixedly and communicatively connected to the top surface of the sealing cover 213. By setting the second motor 211, the mounting shell 212, the sealing cover 213, the grinding block 214, the mounting pipe 215, the mounting bolt 216 and the water pump 217, starting the second motor 211 drives the mounting pipe 215 and the grinding block 214 to rotate, so that the grinding block 214 grinds the workpiece. By rotating the bolt 216, the installation and disassembly of the grinding block 214 are facilitated, and the replacement of the grinding block 214 is facilitated. Starting the water pump 217 enables the water body to pass through the water pump 217, the sealing cover 213 and the mounting pipe 215, and then the water body sprays out of the mounting pipe 215, so that the water body flushes the grinding debris and cools the grinding workpiece and the grinding block 214;

[0028] An adjusting part 22 is arranged above the workbench 1;

[0029] The adjusting part 22 includes a worm 222, a worm gear 223, a first motor 221, a rack 224 and a rotating shaft 227. The bottom surface of the rack 224 is fixedly connected to the top surface of the mounting shell 212. A through hole is formed on the top surface of the bracket 3. The top end of the rack 224 penetrates through the through hole and extends above the bracket 3. The outer surface of the front end of the rotating shaft 227 rotatably penetrates through the back surface of the bracket 3 and extends into the bracket 3 through a first bearing. The adjusting part 22 further includes a linear guide 225 and a gear 226;

[0030] A chute is provided on the left end face of the rack 224, the linear guide 225 is arranged inside the chute, the outer surface of the linear guide 225 is slidably connected to the inner wall of the chute, the left end face of the linear guide 225 is fixedly connected to the inner wall of the bracket 3, the gear 226 is fixedly sleeved on the outer surface of the rotating shaft 227, and the outer surface of the gear 226 is meshed with the outer surface of the rack 224. By providing the rack 224, the linear guide 225, the gear 226 and the rotating shaft 227, when the rotating shaft 227 rotates, the gear 226 drives the rack 224 to move up and down, so that the grinding part 21 moves up and down. The linear guide 225 is used to position the rack 224, making the movement of the rack 224 more stable and improving the grinding accuracy.

[0031] The front surface of the first motor 221 is fixedly connected to the back surface of the bracket 3, the bottom surface of the worm 222 is fixedly connected to the top surface of the output shaft of the first motor 221, the worm gear 223 is fixedly sleeved on the outer surface of the rotating shaft 227, and the outer surface of the worm 222 is meshed with the outer surface of the worm gear 223. By providing the first motor 221, the worm 222 and the worm gear 223, when the first motor 221 is started, the worm 222 drives the worm gear 223 to rotate, driving the rotating shaft 227 and the gear 226 to rotate. By using the self-locking property between the worm 222 and the worm gear 223, the stability of the rotating shaft 227 during rotation is improved.

[0032] During use, start the second motor 211. The output shaft of the second motor 211 drives the mounting pipe 215 and the grinding block 214 to rotate. At the same time, start the water pump 217, so that the water body passes through the water pump 217, the sealing cover 213 and the mounting pipe 215, and finally the water body sprays out from the mounting pipe 215. Start the first motor 221. The output shaft of the first motor 221 drives the worm 222 to rotate. The worm 222 drives the worm gear 223 to rotate. The worm gear 223 drives the rotating shaft 227 and the gear 226 to rotate. The gear 226 drives the rack 224 to move downward. The rack 224 drives the mounting shell 212, the second motor 211, the mounting pipe 215 and the grinding block 214 to move downward for grinding.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision linear rail grinding machine, comprising a workbench (1), characterized in that: A bracket (3) is fixedly connected to the outer surface of the workbench (1); a grinding device (2) is arranged above the workbench (1); the grinding device (2) comprises a grinding portion (21); The polishing part (21) comprises a mounting shell (212), a sealing cover (213), a mounting pipe (215) and a water pump (217); a water tank is arranged inside the workbench (1); the back of the water pump (217) is fixedly connected to the front of the workbench (1); the rear end outer surface of the water inlet pipe of the water pump (217) is fixedly passed through the front of the workbench (1) and is arranged to be connected to the inside of the water tank; the inner wall of the sealing cover (213) is rotatably sleeved on the outer surface of the mounting pipe (215) via a sealing bearing; An adjustment portion (22) is provided above the workbench (1); The adjusting portion (22) comprises a worm (222), a worm wheel (223), a first motor (221), a rack (224) and a rotating shaft (227); the bottom surface of the worm (222) is fixedly connected to the top surface of the output shaft of the first motor (221); the worm wheel (223) is fixedly sleeved on the outer surface of the rotating shaft (227); the bottom surface of the rack (224) is fixedly connected to the top surface of the mounting shell (212); a through hole is provided on the top surface of the bracket (3); the top end of the rack (224) passes through the through hole and extends to the top of the bracket (3); the front end outer surface of the rotating shaft (227) passes through the back of the bracket (3) through a first bearing and extends to the inside of the bracket (3).

2. A high-precision linear rail grinder according to claim 1, characterized in that: The grinding part (21) further comprises a second motor (211), a grinding block (214) and a mounting bolt (216); a groove is formed on the outer surface of the mounting tube (215); the outer surface of the grinding block (214) extends into the interior of the groove; and a thread on the outer surface of the mounting bolt (216) penetrates the inner wall of the grinding block (214) and extends into the interior of the mounting tube (215).

3. A high-precision linear rail grinding machine according to claim 2, characterized in that: The back side of the second motor (211) is fixedly connected to the front side of the mounting shell (212); the rear end outer surface of the output shaft of the second motor (211) rotates through the interior of the mounting shell (212) via a second bearing; and the back side of the output shaft of the second motor (211) is fixedly connected to the front side of the mounting tube (215).

4. A high-precision linear rail grinding machine according to claim 2, characterized in that: The outer surface of the bottom end of the water outlet pipe of the water pump (217) is fixedly penetrated through the top surface of the installation shell (212) and extends into the interior of the installation shell (212); the bottom surface of the water outlet pipe of the water pump (217) is fixedly connected to the top surface of the sealing cover (213).

5. The high-precision linear rail grinding machine according to claim 1, characterized in that: The adjusting portion (22) further comprises a linear rail (225) and a gear (226); the gear (226) is fixedly sleeved on the outer surface of the rotating shaft (227); the outer surface of the gear (226) is meshingly connected with the outer surface of the rack (224).

6. A high-precision linear rail grinding machine according to claim 1, characterized in that: The front surface of the first motor (221) is fixedly connected to the back surface of the bracket (3), and the outer surface of the worm (222) is meshingly connected to the outer surface of the worm wheel (223).

7. A high-precision linear rail grinding machine according to claim 5, characterized in that: The left end surface of the rack (224) is provided with a slide groove, the linear rail (225) is arranged inside the slide groove, the outer surface of the linear rail (225) is slidably connected to the inner wall of the slide groove, and the left end surface of the linear rail (225) is fixedly connected to the inner wall of the bracket (3).

Images