Automatic longitudinal beam polishing line

Abstract

The utility model discloses a kind of longitudinal beam automatic polishing line, it is related to automobile manufacturing field, it includes longitudinal beam three-side polishing device and dust collector;Longitudinal beam three-side polishing device is used to polish the top surface, bottom surface, inner side wall of longitudinal beam workpiece;Dust collector is used to collect dust generated by polishing;The feeding end and discharge end of longitudinal beam three-side polishing device are provided with drum conveyer respectively, and drum conveyer is used to convey longitudinal beam workpiece.In the utility model, longitudinal beam is polished in polishing station online, without leaving line body, can polish multiple faces of longitudinal beam simultaneously, ensure that polished surface is neat and consistent, and improve production capacity rhythm.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing, specifically an automatic grinding line for longitudinal beams. Background Technology

[0002] In existing automotive longitudinal beam grinding processes, the bottom surface of the longitudinal beam is mostly ground manually. This method is not only time-consuming and labor-intensive, but also inefficient.

[0003] To address the aforementioned issues, Chinese patent document "A Rear Longitudinal Beam Grinding Assembly" (patent application number: 202420199804.8) discloses a rear longitudinal beam grinding assembly, which achieves automatic grinding of longitudinal beam workpieces. However, this solution has the following drawbacks:

[0004] 1. In this solution, the longitudinal beams can only be ground one by one, which is not only inefficient, but also unsuitable for production lines.

[0005] 2. This solution requires manual operation and adjustment of the longitudinal beam and grinding components multiple times, and cannot achieve fully automated grinding.

[0006] 3. In this solution, only one side of the longitudinal beam can be ground, resulting in low production efficiency.

[0007] 4. Dust pollution caused by polishing. Utility Model Content

[0008] To address the shortcomings of existing technologies, the purpose of this utility model is to provide an automatic longitudinal beam grinding line. The longitudinal beam is ground online at the grinding station without having to leave the line. Multiple surfaces of the longitudinal beam can be ground simultaneously, ensuring a smooth and consistent surface finish and improving production capacity.

[0009] To achieve the above objectives, the technical solution adopted by this utility model is: an automatic grinding line for longitudinal beams, including a three-sided grinding device for longitudinal beams and a dust removal device; the three-sided grinding device for longitudinal beams is used to grind the top surface, bottom surface, and inner sidewall of the longitudinal beam workpiece; the dust removal device is used to collect the dust generated during grinding; the feed end and discharge end of the three-sided grinding device for longitudinal beams are respectively equipped with roller conveyors, and the roller conveyors are used to transport the longitudinal beam workpieces.

[0010] A further improvement is made in that: the three-sided grinding device for the longitudinal beam includes a first frame, on which a grinding mechanism for the top surface of the longitudinal beam, a grinding mechanism for the bottom surface of the longitudinal beam, a grinding mechanism for the side surface of the longitudinal beam, and a floating friction roller mechanism are arranged; the grinding mechanism for the top surface of the longitudinal beam is used to grind the top surface of the longitudinal beam workpiece; the grinding mechanism for the bottom surface of the longitudinal beam is used to grind the bottom surface of the longitudinal beam workpiece; the grinding mechanism for the side surface of the longitudinal beam is used to grind the inner side wall of the longitudinal beam workpiece; and the floating friction roller mechanism is used to press the longitudinal beam workpiece and drive the longitudinal beam workpiece to translate.

[0011] A further improvement is that the grinding mechanism for the top surface of the longitudinal beam includes two first portal frames straddling the first frame, the two first portal frames being arranged opposite each other and a plurality of reinforcing beams being arranged between the two first portal frames; a plurality of lifting slide rails are arranged on the first portal frames, and a first grinding motor is slidably arranged on the lifting slide rails; the drive rod of the first grinding motor is connected downward to a first grinding wheel; and the first grinding motors on the two first portal frames are staggered.

[0012] A further improvement is made in that: the grinding mechanism for the bottom surface of the longitudinal beam includes a first transverse sliding plate, a first transverse motor, a lifting plate, a rotating shaft, and a second grinding motor; the first transverse motor is used to drive the first transverse sliding plate to move horizontally; a first lifting cylinder is provided on the first transverse sliding plate, and the piston rod of the first lifting cylinder is connected to the lifting plate to drive the lifting plate to move up and down; the rotating shaft is mounted on the lifting plate through a support, and a driven wheel and at least one grinding wheel are provided on the rotating shaft, the grinding wheel being located below the corresponding longitudinal beam workpiece; the second grinding motor is mounted on the lifting plate, and the drive shaft of the second grinding motor is connected to a drive wheel, the drive wheel being connected to the driven wheel through a belt, thereby driving the second grinding wheel to rotate; the drive shaft of the first transverse motor is connected to a first gear, and a first rack meshing with the first gear is provided at the bottom of the first transverse sliding plate; a buffer adapted to the lifting plate is provided on the first transverse sliding plate; the first transverse motor is mounted on a first frame, and a first linear guide rail adapted to the first transverse sliding plate is provided on the first frame.

[0013] Further improvements are made in the following aspects: The longitudinal beam side grinding mechanism includes a second transverse sliding plate, a second transverse motor, a third transverse sliding plate, a fixed column, a swing rod, a swing cylinder, and a mounting base; the second transverse motor is used to drive the second transverse sliding plate to move horizontally; the third transverse sliding plate is slidably mounted on the second transverse sliding plate, and a third grinding motor is mounted on the third transverse sliding plate. The drive shaft of the third grinding motor is connected to a third grinding wheel, which is used to grind the inner side wall of the longitudinal beam workpiece; the fixed column is mounted on the second transverse sliding plate, and the upper end of the fixed column is hinged to the near end of the swing rod, and a hinge seat is provided on the side of the fixed column near the lower end; the two ends of the swing cylinder are respectively hinged to the hinge seat and the swing rod. The distal end of the swing arm is hinged to the mounting base, which is equipped with a drive wheel and a drive motor. The drive motor drives the drive wheel to rotate, thereby guiding the longitudinal beam workpiece to move. The drive shaft of the second transverse motor is connected to a second gear, and the bottom of the second transverse slide plate is equipped with a second rack that meshes with the second gear. The second transverse motor is mounted on a first frame, and the first frame is equipped with a second linear guide rail that matches the second transverse slide plate. The bottom of the third transverse slide plate is equipped with a third linear guide rail that matches the second transverse slide plate. A transverse cylinder is installed on the second transverse slide plate, and the piston rod of the transverse cylinder is connected to the third transverse slide plate. A transition ramp is installed on the swing arm.

[0014] A further improvement is that the floating friction roller mechanism includes a second portal frame straddling the first frame. Several second lifting cylinders are provided on the crossbeam of the portal frame. The piston rod of each second lifting cylinder is connected downward to a friction motor. The drive shaft of the friction motor is connected to a friction wheel. The friction wheel is used to press against the top surface of the corresponding longitudinal beam workpiece, thereby driving the longitudinal beam workpiece to move horizontally.

[0015] A further improvement is that the roller conveyor includes a second frame, on which a plurality of conveying rollers for conveying longitudinal beam workpieces and a motor transmission box for driving the conveying rollers to rotate are arranged; the conveying rollers include a rotating shaft, on which a plurality of pairs of conveying rollers are arranged, and the two conveying rollers in each pair are spaced apart.

[0016] Further improvements include: the dust removal device includes a cabinet, the top of which is provided with an exhaust vent, the inner bottom wall of which is provided with a dust hopper and a dust outlet, and the front of which is provided with an observation window; the left and right sides of the cabinet are respectively provided with sealing doors, and a sealing cylinder is provided above the sealing doors to control the opening and closing of the sealing doors; the bottom of the cabinet is provided with casters.

[0017] Further improvements include: the three-sided grinding device for the longitudinal beam and the roller conveyor are each equipped with several floating guide mechanisms to guide the movement of the longitudinal beam workpiece; the floating guide mechanism includes a supporting crossbeam, on which at least one pair of sliding seats are provided; the two sliding seats in each pair are slidably mounted on a fourth linear guide rail on the supporting crossbeam, and each of the two sliding seats is equipped with a guide wheel, which is used to abut against the two inner sidewalls of the longitudinal beam workpiece to guide its movement; each pair of sliding seats is connected to an adjustment device, which is used to adjust the distance between the two sliding seats; detection switches are provided at both ends of the supporting crossbeam.

[0018] A further improvement is that the adjusting device includes a guide cylinder, a pull rod, and two connecting rods arranged sequentially from bottom to top; the cylinder body of the guide cylinder is mounted on a fixed base, and the piston rod of the guide cylinder is connected to the lower end of the pull rod; a connecting block is provided at the upper end of the pull rod; the lower ends of the two connecting rods are respectively hinged to the connecting blocks, and the upper ends of the two connecting rods are respectively hinged to the corresponding sliding seats; the adjusting device also includes a guide block.

[0019] The beneficial effects of this utility model are as follows:

[0020] 1. In this utility model, the longitudinal beam is ground online at the grinding station without having to leave the line. Multiple surfaces of the longitudinal beam can be ground simultaneously, ensuring a smooth and consistent surface finish and improving production capacity.

[0021] 2. In this utility model, a high-efficiency dust recovery device is added to the grinding station to reduce environmental pollution.

[0022] 3. In this utility model, four conveyor lines are laid, which can grind and process four longitudinal beams at the same time. They can also be directly connected to other front-end feeding equipment and back-end unloading equipment, reducing manual hoisting.

[0023] 4. In this utility model, the first lifting cylinder drives the grinding wheel to move up and down, which can perform floating grinding on the longitudinal beam workpiece.

[0024] 5. In this utility model, the transverse motor drives the gear rack to make the grinding component move laterally, which can satisfy the need for covering and grinding the bottom surface and left and right sides of the longitudinal beam workpiece.

[0025] 6. In this utility model, the second lifting cylinder drives the friction motor to move up and down, and the position of the cylinder detection switch is adjusted so that the second lifting cylinder can reach different strokes to adapt to product workpieces of different thicknesses.

[0026] 7. In this utility model, the transverse cylinder drives a single grinding wheel to move left and right, which can perform floating grinding compensation for workpieces of different sizes.

[0027] 8. In this utility model, the swing cylinder drives the entire swing arm to move up and down, ensuring that the drive wheel can closely contact the workpiece, thereby improving the conveying effect.

[0028] 9. In this utility model, when the detection switch detects a longitudinal beam workpiece, the guide cylinder extends and retracts to drive the connecting rod, causing the guide wheel on the linear guide rail to open and close, thereby allowing longitudinal beam workpieces of different inner widths to automatically approach each other and play a guiding role. Attached Figure Description

[0029] Figure 1 This is a front view of the automatic grinding line for longitudinal beams in an embodiment of this utility model;

[0030] Figure 2 This is a side view of the automatic grinding line for longitudinal beams in an embodiment of this utility model;

[0031] Figure 3 This is a top view of the automatic grinding line for longitudinal beams in an embodiment of this utility model;

[0032] Figure 4 This is a front view of the longitudinal beam three-sided grinding device in this embodiment of the utility model;

[0033] Figure 5 This is a side view of the longitudinal beam three-sided grinding device in an embodiment of this utility model;

[0034] Figure 6 This is a top view of the longitudinal beam three-sided grinding device in this embodiment of the utility model;

[0035] Figure 7 This is a schematic diagram of the structure of the grinding mechanism on the top surface of the longitudinal beam in an embodiment of this utility model;

[0036] Figure 8 This is a front view of the longitudinal beam bottom surface grinding mechanism in this embodiment of the utility model;

[0037] Figure 9 This is a side view of the longitudinal beam bottom surface grinding mechanism in an embodiment of this utility model;

[0038] Figure 10 This is a top view of the longitudinal beam bottom surface grinding mechanism in an embodiment of this utility model;

[0039] Figure 11 This is a front view of the longitudinal beam side grinding mechanism in this embodiment of the utility model;

[0040] Figure 12 This is a side view of the longitudinal beam side grinding mechanism in an embodiment of this utility model;

[0041] Figure 13 This is a top view of the longitudinal beam side grinding mechanism in an embodiment of this utility model;

[0042] Figure 14 This is a schematic diagram of the floating friction pressure roller mechanism in an embodiment of the present invention;

[0043] Figure 15 This is a front view of the roller conveyor in an embodiment of the present invention;

[0044] Figure 16 This is a side view of the roller conveyor in an embodiment of the present invention;

[0045] Figure 17 This is a top view of the roller conveyor in an embodiment of the present invention;

[0046] Figure 18 This is a front view of the dust removal device in an embodiment of this utility model;

[0047] Figure 19 This is a side view of the dust removal device in an embodiment of the present utility model;

[0048] Figure 20 This is a top view of the dust removal device in an embodiment of this utility model;

[0049] Figure 21 This is a front view of the floating guide mechanism in an embodiment of this utility model;

[0050] Figure 22 This is a top view of the floating guide mechanism in an embodiment of this utility model;

[0051] Figure 23 This is a side view of the floating guide mechanism in an embodiment of this utility model.

[0052] Figure label:

[0053] 1- Three-sided grinding device for longitudinal beams;

[0054] 11-First frame; 111-First linear guide; 112-Second linear guide;

[0055] 12-Grinding mechanism for the top surface of the longitudinal beam; 121-First gantry frame; 122-Lifting slide rail; 123-First grinding motor; 124-First grinding wheel; 125-Reinforcing beam;

[0056] 13-Grinding mechanism for the bottom surface of the longitudinal beam; 1301-First transverse sliding plate; 1302-First transverse motor; 1303-First gear; 1304-First rack; 1305-Lifting plate; 1306-First lifting cylinder; 1307-Second grinding motor; 1308-Driving wheel; 1309-Rotating shaft; 1310-Support; 1311-Driven wheel; 1312-Belt; 1313-Second grinding wheel; 1314-Damper;

[0057] 14-Side grinding mechanism for longitudinal beam; 1401-Second transverse sliding plate; 1402-Second transverse motor; 1403-Second gear; 1404-Second rack; 1405-Third linear guide rail; 1406-Transverse cylinder; 1407-Third transverse sliding plate; 1408-Third grinding motor; 1409-Third grinding wheel; 1410-Fixed column; 1411-Swing rod; 1412-Mounting base; 1413-Drive wheel; 1414-Drive motor; 1415-Swing cylinder; 1416-Hinge base; 1417-Transition ramp;

[0058] 15-Floating friction pressure roller mechanism; 151-Second gantry frame; 152-Second lifting cylinder; 153-Friction motor; 154-Friction wheel;

[0059] 2-Roller conveyor; 21-Second frame; 22-Conveyor roller; 221-Rotating shaft; 222-Conveyor roller; 23-Motor drive box;

[0060] 3-Dust removal device; 31-Cabinet; 32-Exhaust vent; 33-Dust outlet; 34-Dust hopper; 35-Door sealing body; 36-Door sealing cylinder; 37-Observation window; 38-Cast wheels;

[0061] 4-Floating guide mechanism; 401-Support beam; 402-Fourth linear guide rail; 403-Guide cylinder; 404-Fixed seat; 405-Pull rod; 406-Connecting block; 407-Guide block; 408-Sliding seat; 409-Guide wheel; 410-Connecting rod; 411-Detection switch. Detailed Implementation

[0062] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0063] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0064] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0065] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0066] See Figures 1-3 As shown, this utility model embodiment provides an automatic longitudinal beam grinding line, including a longitudinal beam three-sided grinding device 1 and a dust removal device 3;

[0067] The longitudinal beam three-sided grinding device 1 is used to grind the top surface, bottom surface and inner sidewall of the longitudinal beam workpiece;

[0068] Dust removal device 3 is used to collect dust generated during grinding;

[0069] The feed end and discharge end of the longitudinal beam three-sided grinding device 1 are respectively equipped with roller conveyors 2, which are used to transport longitudinal beam workpieces.

[0070] See Figures 4-6 As shown, the three-sided grinding device 1 for longitudinal beams includes a first frame 11, on which a top surface grinding mechanism 12, a bottom surface grinding mechanism 13, a side surface grinding mechanism 14, and a floating friction roller mechanism 15 are mounted. The top surface grinding mechanism 12 is used to grind the top surface of the longitudinal beam workpiece; the bottom surface grinding mechanism 13 is used to grind the bottom surface of the longitudinal beam workpiece; the side surface grinding mechanism 14 is used to grind the inner side wall of the longitudinal beam workpiece; and the floating friction roller mechanism 15 is used to press the longitudinal beam workpiece and drive the longitudinal beam workpiece to translate.

[0071] See Figure 7 As shown, the longitudinal beam top surface grinding mechanism 12 includes two first portal frames 121 straddling the first frame 11. The two first portal frames 121 are arranged opposite each other and a plurality of reinforcing beams 125 are arranged between the two first portal frames 121. A plurality of lifting slide rails 122 are arranged on the first portal frames 121, and a first grinding motor 123 is slidably arranged on the lifting slide rails 122. The drive rod of the first grinding motor 123 is connected downward to the first grinding wheel 124. The first grinding motors 123 on the two first portal frames 121 are arranged alternately.

[0072] See Figures 8-10As shown, the longitudinal beam bottom surface grinding mechanism 13 includes a first transverse sliding plate 1301, a first transverse motor 1302, a lifting plate 1305, a rotating shaft 1309, and a second grinding motor 1307. The first transverse motor 1302 drives the first transverse sliding plate 1301 to move horizontally. A first lifting cylinder 1306 is provided on the first transverse sliding plate 1301, and the piston rod of the first lifting cylinder 1306 is connected to the lifting plate 1305 to drive the lifting plate 1305 to move up and down. The rotating shaft 1309 is mounted on the lifting plate 1305 through a support 1310, and a driven wheel 1311 and at least one grinding wheel are provided on the rotating shaft 1309. The grinding wheel is located below the corresponding longitudinal beam workpiece. The second grinding motor 1307 is... The first grinding wheel 1313 is placed on the lifting plate 1305, and the drive shaft of the second grinding motor 1307 is connected to the drive wheel 1308. The drive wheel 1308 is connected to the driven wheel 1311 via the belt 1312, thereby driving the second grinding wheel 1313 to rotate. The drive shaft of the first transverse motor 1302 is connected to the first gear 1303. The bottom of the first transverse slide plate 1301 is provided with a first rack 1304 that meshes with the first gear 1303. The first transverse slide plate 1301 is provided with a buffer 1314 that is adapted to the lifting plate 1305. The first transverse motor 1302 is mounted on the first frame 11, and the first frame 11 is provided with a first linear guide rail 111 that is adapted to the first transverse slide plate 1301.

[0073] See Figures 11-13As shown, the longitudinal beam side grinding mechanism 14 includes a second transverse sliding plate 1401, a second transverse motor 1402, a third transverse sliding plate 1407, a fixed column 1410, a swing rod 1411, a swing cylinder 1415, and a mounting base 1412; the second transverse motor 1402 is used to drive the second transverse sliding plate 1401 to translate; the third transverse sliding plate 1407 is slidably mounted on the second transverse sliding plate 1401, and the third grinding motor 1407 is mounted on the third transverse sliding plate 1407. 408, the drive shaft of the third grinding motor 1408 is connected to a third grinding wheel 1409, which is used to grind the inner wall of the longitudinal beam workpiece; the fixed column 1410 is set on the second transverse sliding plate 1401, and the upper end of the fixed column 1410 is hinged to the proximal end of the swing rod 1411, and a hinge seat 1416 is provided on the side of the fixed column 1410 near the lower end; the two ends of the swing cylinder 1415 are respectively hinged to the hinge seat 1416 and the swing rod 1411. The distal end of the rocker arm 1411 is hinged to the mounting base 1412, and the mounting base 1412 is provided with a drive wheel 1413 and a drive motor 1414. The drive motor 1414 drives the drive wheel 1413 to rotate, thereby guiding the longitudinal beam workpiece to move. The drive shaft of the second transverse motor 1402 is connected to a second gear 1403, and the bottom of the second transverse slide plate 1401 is provided with a second rack 1404 that meshes with the second gear 1403. The second transverse motor 1402 is mounted on the drive shaft of the second transverse motor 1402. The first frame 11 is mounted on the first frame 11, and the first frame 11 is provided with a second linear guide rail 112 adapted to the second transverse slide plate 1401; the bottom of the third transverse slide plate 1407 is provided with a third linear guide rail 1405 adapted to the second transverse slide plate 1401; the second transverse slide plate 1401 is provided with a transverse cylinder 1406, and the piston rod of the transverse cylinder 1406 is connected to the third transverse slide plate 1407; the swing arm 1411 is provided with a transition ramp 1417.

[0074] See Figure 14 As shown, the floating friction pressure roller mechanism 15 includes a second portal frame 151 straddling the first frame 11. Several second lifting cylinders 152 are arranged on the crossbeam of the portal frame. The piston rod of each second lifting cylinder 152 is respectively connected downward to a friction motor 153. The drive shaft of the friction motor 153 is connected to a friction wheel 154. The friction wheel 154 is used to press against the top surface of the corresponding longitudinal beam workpiece, thereby driving the longitudinal beam workpiece to translate.

[0075] See Figures 15-17 As shown, the roller conveyor 2 includes a second frame 21, on which a plurality of conveying rollers 22 for conveying longitudinal beam workpieces are provided, and a motor transmission box 23 for driving the conveying rollers 22 to rotate; the conveying rollers 22 include a rotating shaft 221, on which a plurality of pairs of conveying rollers 222 are provided, and the two conveying rollers 222 in each pair are spaced apart.

[0076] See Figures 18-20 As shown, the dust removal device 3 includes a cabinet 31. An exhaust vent 32 is located on the top of the cabinet 31. A dust hopper 34 and a dust outlet 33 are located on the inner bottom wall of the cabinet 31. An observation window 37 is located on the front of the cabinet 31. Sealing doors 35 are located on the left and right sides of the cabinet 31, and sealing cylinders 36 are located above the sealing doors 35 to control their opening and closing. Casters 38 are located at the bottom of the cabinet 31. The dust-laden gas generated during grinding is collected in the dust collector, with coarser particles falling directly into the dust outlet of the dust hopper. A dedicated dust removal device is connected to the exhaust vent, effectively collecting and removing dust.

[0077] See Figures 21-23 As shown, the longitudinal beam three-sided grinding device 1 and the roller conveyor 2 are respectively equipped with several floating guide mechanisms 4 for guiding the movement of the longitudinal beam workpiece; the floating guide mechanism 4 includes a supporting crossbeam 401, on which at least one pair of sliding seats 408 are provided; each pair of two sliding seats 408 are slidably mounted on the fourth linear guide rail 402 on the supporting crossbeam 401, and each pair of sliding seats 408 is provided with a guide wheel 409, which is used to abut against the two inner sidewalls of the longitudinal beam workpiece to guide the movement of the longitudinal beam workpiece; each pair of sliding seats 408 is connected to an adjustment device, which is used to adjust the distance between the two sliding seats 408; detection switches 411 are respectively provided at both ends of the supporting crossbeam 401. Specifically, the adjusting device includes a guide cylinder 403, a pull rod 405, and two connecting rods 410 arranged sequentially from bottom to top; the cylinder body of the guide cylinder 403 is mounted on the fixed seat 404, and the piston rod of the guide cylinder 403 is connected to the lower end of the pull rod 405; a connecting block 406 is provided at the upper end of the pull rod 405; the lower ends of the two connecting rods 410 are respectively hinged to the connecting block 406, and the upper ends of the two connecting rods 410 are respectively hinged to the corresponding sliding seats 408; the adjusting device also includes a guide block 407, which is fixedly connected to the supporting beam 401, and the pull rod 405 slides through the guide block 407.

[0078] The working principle of this utility model:

[0079] With four conveyor lines operating simultaneously, once the detection switch detects a longitudinal beam workpiece, the roller conveyor quickly transports the longitudinal beam workpiece to be ground to the buffer waiting position in front of the grinding station.

[0080] When the detection switch detects that there is no workpiece at the grinding station, the inlet door of the dust removal equipment opens, and the workpiece waiting in the buffer automatically enters the grinding station.

[0081] Once the workpiece enters the confirmation point of the grinding station, the inlet door of the dust removal equipment is closed, and the grinding equipment performs automatic grinding operations.

[0082] Once the set grinding time is reached, the dust removal equipment outlet gate opens, and the workpiece quickly enters the next process via the roller conveyor. At the same time, the dust removal equipment outlet gate closes.

[0083] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0084] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. An automatic grinding line for longitudinal beams, characterized in that: It includes a three-sided grinding device for longitudinal beams (1) and a dust removal device (3); The longitudinal beam three-sided grinding device (1) is used to grind the top surface, bottom surface and inner sidewall of the longitudinal beam workpiece; The dust removal device (3) is used to collect the dust generated during grinding; The feed end and discharge end of the longitudinal beam three-sided grinding device (1) are respectively equipped with roller conveyors (2), which are used to transport longitudinal beam workpieces; The three-sided grinding device (1) for longitudinal beams includes a first frame (11), on which a grinding mechanism (12) for the top surface of longitudinal beams, a grinding mechanism (13) for the bottom surface of longitudinal beams, a grinding mechanism (14) for the side surface of longitudinal beams, and a floating friction roller mechanism (15) are provided. The grinding mechanism (12) for the top surface of longitudinal beams is used to grind the top surface of the longitudinal beam workpiece. The grinding mechanism (13) for the bottom surface of longitudinal beams is used to grind the bottom surface of the longitudinal beam workpiece. The grinding mechanism (14) for the side surface of longitudinal beams is used to grind the inner side wall of the longitudinal beam workpiece. The floating friction roller mechanism (15) is used to press the longitudinal beam workpiece and drive the longitudinal beam workpiece to move horizontally.

2. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The longitudinal beam top surface grinding mechanism (12) includes two first portal frames (121) straddling the first frame (11), the two first portal frames (121) being arranged opposite each other and a plurality of reinforcing beams (125) being arranged between the two first portal frames (121); a plurality of lifting slide rails (122) being arranged on the first portal frames (121), and a first grinding motor (123) being slidably arranged on the lifting slide rails (122); the drive rod of the first grinding motor (123) being connected downward to a first grinding wheel (124); and the first grinding motors (123) on the two first portal frames (121) being arranged alternately.

3. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The longitudinal beam bottom surface grinding mechanism (13) includes a first transverse sliding plate (1301), a first transverse motor (1302), a lifting plate (1305), a rotating shaft (1309), and a second grinding motor (1307). The first transverse motor (1302) is used to drive the first transverse sliding plate (1301) to move horizontally. A first lifting cylinder (1306) is provided on the first transverse sliding plate (1301), and the piston rod of the first lifting cylinder (1306) is connected to the lifting plate (1305) to drive the lifting plate (1305) to move up and down. The rotating shaft (1309) is mounted on the lifting plate (1305) through a support (1310), and a driven wheel (1311) and at least one grinding wheel are provided on the rotating shaft (1309), the grinding wheel being located below the corresponding longitudinal beam workpiece. The second grinding motor (1307) is provided with a first transverse sliding plate (1301), a first transverse motor (1302), a lifting plate (1305), a rotating shaft (1309), and a second grinding motor (1307). The first grinding wheel (1313) is placed on the lifting plate (1305) and the drive shaft of the second grinding motor (1307) is connected to the drive wheel (1308). The drive wheel (1308) is connected to the driven wheel (1311) via the belt (1312), thereby driving the second grinding wheel (1313) to rotate. The drive shaft of the first transverse motor (1302) is connected to the first gear (1303). The bottom of the first transverse slide plate (1301) is provided with a first rack (1304) that meshes with the first gear (1303). The first transverse slide plate (1301) is provided with a buffer (1314) that is compatible with the lifting plate (1305). The first transverse motor (1302) is mounted on the first frame (11), and the first frame (11) is provided with a first linear guide rail (111) that is compatible with the first transverse slide plate (1301).

4. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The longitudinal beam side grinding mechanism (14) includes a second transverse sliding plate (1401), a second transverse motor (1402), a third transverse sliding plate (1407), a fixed column (1410), a swing arm (1411), a swing cylinder (1415), and a mounting base (1412); the second transverse motor (1402) is used to drive the second transverse sliding plate (1401) to move horizontally; the third transverse sliding plate (1407) is slidably mounted on the second transverse sliding plate (1401), and a third grinding motor (1408) is mounted on the third transverse sliding plate (1407). The drive shaft of the third grinding motor (1408) is connected to a third grinding wheel (1409), which is used to grind the inner wall of the longitudinal beam workpiece; the fixed column (1410) is set on the second transverse sliding plate (1401), and the upper end of the fixed column (1410) is hinged to the near end of the swing rod (1411), and a hinge seat (1416) is provided on the side of the fixed column (1410) near the lower end; the two ends of the swing cylinder (1415) are respectively hinged to the hinge seat (1416) and the swing rod (1411); the swing... The distal end of the rod (1411) is hinged to the mounting base (1412), and the mounting base (1412) is provided with a drive wheel (1413) and a drive motor (1414). The drive motor (1414) drives the drive wheel (1413) to rotate, thereby guiding the longitudinal beam workpiece to move. The drive shaft of the second transverse motor (1402) is connected to a second gear (1403), and the bottom of the second transverse slide plate (1401) is provided with a second rack (1404) that meshes with the second gear (1403). The second transverse motor (1402) is mounted on... On the first frame (11), a second linear guide rail (112) adapted to the second transverse slide plate (1401) is provided; the bottom of the third transverse slide plate (1407) is provided with a third linear guide rail (1405) adapted to the second transverse slide plate (1401); a transverse cylinder (1406) is provided on the second transverse slide plate (1401), and the piston rod of the transverse cylinder (1406) is connected to the third transverse slide plate (1407); a transition ramp (1417) is provided on the swing arm (1411).

5. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The floating friction roller mechanism (15) includes a second portal frame (151) spanning the first frame (11). Several second lifting cylinders (152) are provided on the crossbeam of the portal frame. The piston rod of each second lifting cylinder (152) is connected downward to a friction motor (153). The drive shaft of the friction motor (153) is connected to a friction wheel (154). The friction wheel (154) is used to press against the top surface of the corresponding longitudinal beam workpiece, thereby driving the longitudinal beam workpiece to translate.

6. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The roller conveyor (2) includes a second frame (21), on which a plurality of conveying rollers (22) for conveying longitudinal beam workpieces are provided, and a motor transmission box (23) for driving the conveying rollers (22) to rotate; the conveying rollers (22) include a rotating shaft (221), on which a plurality of pairs of conveying rollers (222) are provided, and the two conveying rollers (222) of each pair are spaced apart.

7. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The dust removal device (3) includes a cabinet (31), with an exhaust vent (32) on the top of the cabinet (31), a dust hopper (34) and a dust outlet (33) on the inner bottom wall of the cabinet (31), and an observation window (37) on the front of the cabinet (31); a sealing door (35) is provided on the left and right sides of the cabinet (31), and a sealing cylinder (36) is provided above the sealing door (35) to control the opening and closing of the sealing door (35); and casters (38) are provided at the bottom of the cabinet (31).

8. The automatic grinding line for longitudinal beams according to claim 1, characterized in that: The three-sided grinding device (1) and the roller conveyor (2) of the longitudinal beam are respectively provided with a number of floating guide mechanisms (4) for guiding the longitudinal beam workpiece to move; the floating guide mechanism (4) includes a supporting crossbeam (401), and at least one pair of sliding seats (408) are provided on the supporting crossbeam (401); the two sliding seats (408) of each pair are slidably arranged on the fourth linear guide rail (402) on the supporting crossbeam (401), and guide wheels (409) are respectively provided on the two sliding seats (408), and the two guide wheels (409) are respectively used to abut against the two inner side walls of the longitudinal beam workpiece to guide the longitudinal beam workpiece to move; each pair of sliding seats (408) is connected to an adjustment device, which is used to adjust the distance between the two sliding seats (408); detection switches (411) are respectively provided at both ends of the supporting crossbeam (401).

9. The automatic grinding line for longitudinal beams according to claim 8, characterized in that: The adjusting device includes a guide cylinder (403), a pull rod (405), and two connecting rods (410) arranged sequentially from bottom to top. The cylinder body of the guide cylinder (403) is mounted on a fixed seat (404), and the piston rod of the guide cylinder (403) is connected to the lower end of the pull rod (405). A connecting block (406) is provided at the upper end of the pull rod (405). The lower ends of the two connecting rods (410) are respectively hinged to the connecting block (406), and the upper ends of the two connecting rods (410) are respectively hinged to the corresponding sliding seats (408). The adjusting device also includes a guide block (407), which is fixedly connected to the support beam (401), and the pull rod (405) slides through the guide block (407).

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