Grinding machine for train wheel production

Abstract

The utility model discloses a grinding machine for train wheel production, which comprises a base, a grinding mechanism is arranged outside the base, the grinding mechanism comprises two sliding strips which are obliquely and symmetrically arranged, the outer surfaces of the two sliding strips are fixedly connected with linear motors, the outer surfaces of the linear motors on the two sides are slidably connected with sliding rails, and the sliding rails are arranged on the sliding rails. The outer surfaces of the two sliding rails are fixedly connected with the outer surface of the base, a sliding cavity is formed in the sliding strip, a telescopic rod is fixedly connected to the interior of the sliding cavity in a penetrating mode, a connecting block is fixedly connected to the output end of the telescopic rod, and the outer surface of the connecting block is movably connected with the interior of the sliding cavity; the train wheel grinding device relates to the technical field of train wheel grinding equipment and solves the problems that when an existing wheel grinding device is used, after a wheel is clamped by a fixing device, the contact effect between the wheel and the grinding device is poor, and therefore the grinding quality and the grinding efficiency are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of railway wheel grinding equipment, in particular to a grinding machine for railway wheel production. Background Art

[0002] After the train wheels are cast, the curved surface needs to be polished to make the surface smooth and easy to roll. The transmission method is manual polishing, which is inefficient and has poor polishing accuracy. An imitation aluminum alloy steel wheel hub polishing machine with application number 2016213160022 includes a base, an adjustment device, a fixing device and a grinding and polishing device; the burrs on the surface of the wheel hub can be removed, the mechanical automation degree is high, a lot of labor is saved, the production cost of the wheel hub is reduced, the production efficiency is improved, and the grinding and polishing speed is fast and the effect is good.

[0003] Although this device has the above advantages, it still has the following defects in actual use:

[0004] 1) The grinding and polishing devices on both sides are fixed in position, resulting in a fixed distance between them. Although the wheel and the grinding device can be brought into contact by adjusting the device, the grinding efficiency will still be reduced by using one-sided grinding;

[0005] 2) Although the fixing device can clamp and fix the wheel, it also makes the wheel fixed and unable to rotate, so that the grinding device can only grind the wheel at a single point, thereby reducing the grinding efficiency and effect. Even if the wheel can rotate with the grinding device between the fixing devices, on the one hand, the wheel surface is easily scratched by the fixing device, and on the other hand, the grinding quality will be reduced.

[0006] Therefore, it is necessary to solve the problems that still exist in the above-mentioned device. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides a grinder for producing railway wheels, which solves the problem that when the existing wheel grinding device is used, after the wheel is clamped by a fixing device, the contact effect with the grinding device is poor, thereby resulting in reduced grinding quality and grinding efficiency.

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a grinder for railway wheel production, comprising a base, a grinding mechanism is arranged on the outside of the base, the grinding mechanism comprises two oblique and symmetrically arranged slide bars, the outer surfaces of the two slide bars are fixedly connected with linear motors, the outer surfaces of the linear motors on both sides are slidably connected with slide rails, the outer surfaces of the two slide rails are fixedly connected with the outer surface of the base, a slide cavity is provided inside the slide bar, a telescopic rod is fixedly connected to the inside of the slide cavity, a connecting block is fixedly connected to the output end of the telescopic rod, the outer surface of the connecting block is movably connected to the inside of the slide cavity, a grinding block is movably connected to the outer surface of the connecting block, a clamping strip is fixedly connected to the outer surfaces of the connecting block and the grinding block, a clamping slot is provided on the other side of the outer surface of the grinding block, the outer surface of the clamping strip is movably connected to the inside of the clamping slot, a through connecting slot is provided on the body of the slide bar, through material troughs are provided on both sides of the slide bar body, and the insides of the material troughs on both sides and the connecting slots are connected with the inside of the slide cavity.

[0009] Preferably, a clamping assembly is disposed outside the slide bar, and the clamping assembly includes clamping plates symmetrically disposed up and down, and a driving motor is fixedly connected to the outer surface of the upper clamping plate.

[0010] Preferably, a lifting rod is fixedly connected to the outer surface of the driving motor, a bracket is passed through and fixedly connected to the outer surface of the lifting rod, and the outer surface of the bracket is fixedly connected to the outer surface of the base.

[0011] Preferably, the outer surface of the lower chuck is movably connected to a conical seat, and the outer surface of the conical seat is fixedly connected to the outer surface of the base.

[0012] Preferably, a groove is provided on the outer surface of the cone seat, a rotating shaft is movably connected inside the groove, and one end of the rotating shaft is fixedly connected to the outer surface of the lower chuck.

[0013] Preferably, a ball groove is formed on the outer surface of the cone seat, a ball is movably connected inside the ball groove, and the outer surface of the ball is movably connected to the outer surface of the chuck below.

[0014] Beneficial Effects

[0015] The utility model provides a grinding machine for producing railway wheels. Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) By setting up a grinding mechanism, the grinding blocks on both sides are inclined with the slide bar so that the distance between the grinding blocks on both sides is of different sizes, and the grinding blocks are driven to move by the slide bar, thereby improving the grinding efficiency of the wheel. In addition, the grinding blocks are connected by mortise and tenon joints through the clamping bar, which is convenient for rapid loading and unloading, so that they can be replaced during the grinding process, further improving the grinding effect.

[0017] (2) By setting up a clamping assembly and utilizing the extension and retraction of the output end of the lifting rod, the two chucks can clamp and fix the wheel. At the same time, the driving motor can be used to rotate the wheel and automatically grind it through contact with the grinding block, thereby improving the grinding effect and efficiency. The lower chuck is connected to the cone seat through a rotating shaft and a ball bearing, which can not only stably support the wheel but also facilitate the rotation of the wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the internal structure of the slide bar of the utility model;

[0020] Figure 3 This is a disassembled diagram of the external structure of the chuck of the utility model.

[0021] In the figure: 1. base; 2. slide bar; 3. clamping assembly; 31. chuck; 32. drive motor; 33. lifting rod; 34. bracket; 35. cone seat; 36. groove; 37. rotating shaft; 38. ball groove; 39. ball; 4. linear motor; 5. slide rail; 6. slide cavity; 7. telescopic rod; 8. connecting block; 9. grinding block; 10. clamping strip; 11. clamping groove; 12. connecting groove; 13. material trough. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-3 The utility model provides a technical solution: a grinding machine for railway wheel production:

[0024] Embodiment 1:

[0025] The base 1 comprises a base, the outside of which is provided with a grinding mechanism, the grinding mechanism comprising two obliquely and symmetrically arranged slide bars 2, the slide bars 2 being made of a material resistant to pressure, wear and corrosion, the outer surfaces of the two slide bars 2 being fixedly connected with linear motors 4, the linear motors 4 being electrically connected with an external control circuit, the outer surfaces of the linear motors 4 on both sides being slidably connected with slide rails 5, the outer surfaces of the two slide rails 5 being fixedly connected with the outer surface of the base 1, the interior of the slide bar 2 being provided with a sliding cavity 6, the interior of the sliding cavity 6 being penetrated and fixedly connected with a telescopic rod 7, the telescopic rod 7 being made of an existing electric push rod and being electrically connected with an external control circuit, the output end of the telescopic rod 7 being fixedly connected with a connecting block 8, the connecting block 8 being made of a material resistant to pressure, wear and corrosion, the outer surface of the connecting block 8 being movably connected with the interior of the sliding cavity 6, the outer surface of the connecting block 8 being movably connected with a grinding block 9, the grinding block 9 being made of a material resistant to pressure, wear and corrosion The outer surfaces of the connecting block 8 and the grinding block 9 are fixedly connected with a clamping strip 10, which is made of a material that is resistant to pressure, wear and corrosion, and has a dovetail-shaped cross-section to improve the stability of the connection. A clamping groove 11 is provided on the other side of the outer surface of the grinding block 9, and the outer surface of the clamping strip 10 is movably connected to the inside of the clamping groove 11. The body of the slide bar 2 is provided with a through connecting groove 12, and the thickness of the connecting groove 12 is greater than the thickness of the wheel to facilitate contact between the wheel and the grinding block 9, and is less than the thickness of the sliding cavity 6, so that the grinding block 9 can be further limited and supported. Through material grooves 13 are provided on both sides of the body of the slide bar 2, and the size of the material groove 13 is adapted to the size of the clamping strip 10 and the grinding block 9, and the interiors of the material grooves 13 on both sides and the connecting grooves 12 are connected to the interior of the sliding cavity 6.

[0026] By setting up the grinding mechanism, the grinding blocks 9 on both sides are tilted with the slide bar 2 so that the distances between the grinding blocks 9 on both sides are of different sizes, and the grinding blocks 9 are driven to move by the slide bar 2, thereby improving the grinding efficiency of the wheel. The grinding blocks 9 are connected by mortise and tenon joints through the clamping strips 10, which is convenient for rapid loading and unloading of materials, so that they can be replaced during the grinding process, further improving the grinding effect.

[0027] Embodiment 2:

[0028] A clamping assembly 3 is provided on the outside of the slide bar 2, and the clamping assembly 3 includes a chuck 31 symmetrically arranged in the upper and lower parts, the outer diameter of the chuck 31 is smaller than the outer diameter of the wheel, and the surfaces of the chucks 31 on both sides for clamping are provided with rubber pads to better clamp the wheel, and the outer surface of the upper chuck 31 is fixedly connected to a driving motor 32, and the driving motor 32 is electrically connected to an external control circuit, and the outer surface of the driving motor 32 is fixedly connected to a lifting rod 33, and the lifting rod 33 is made of an existing electric push rod and is electrically connected to an external control circuit, and the outer surface of the lifting rod 33 is fixedly connected with a bracket 34 through it, and the outer surface of the bracket 34 is fixedly connected to the outer surface of the base 1, and the outer surface of the lower chuck 31 is movably connected with a cone seat 35, and the cone seat 35 provides a larger support surface so that the lower chuck 31 can level the wheel Stable support, the outer surface of the conical seat 35 is fixedly connected to the outer surface of the base 1, the outer surface of the conical seat 35 is provided with a groove 36, and the interior of the groove 36 is movably connected with a rotating shaft 37, which is made of pressure-resistant and wear-resistant material. As a preferred method, the rotating shaft 37 and the interior of the groove 36 have axial limiting measures to further improve the stability of the lower chuck 31, one end of the rotating shaft 37 is fixedly connected to the outer surface of the lower chuck 31, and the outer surface of the conical seat 35 is provided with a ball groove 38, and the ball groove 38 is larger than the radius of the ball 39 to limit the ball 39, and the interior of the ball groove 38 is movably connected with a ball 39, which is made of pressure-resistant and wear-resistant material to reduce the wear of the lower chuck 31 when it rotates, and the outer surface of the ball 39 is movably connected to the outer surface of the lower chuck 31.

[0029] By setting up the clamping assembly 3 and utilizing the extension and retraction of the output end of the lifting rod 33, the two chucks 31 can clamp and fix the wheel, and the driving motor 32 can be used to rotate the wheel, and the wheel can be automatically polished through contact with the grinding block 9, thereby improving the polishing effect and efficiency. The lower chuck 31 is connected to the cone seat 35 through the rotating shaft 37 and the ball 39, which can not only stably support the wheel, but also facilitate the rotation of the wheel.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] During operation, firstly, the train wheel to be ground is placed on the lower chuck 31, and then the output end of the lifting rod 33 is extended to drive the lower chuck 31 to descend and contact the top of the wheel, thereby clamping the wheel, and then the grinding block 9 is placed into the slide cavity 6 through the upper material trough 13, and then the output end of the telescopic rod 7 is extended, so that the connecting block 8 drives the card strip 10 on its surface to move, and the size of one side of the card strip 10 is larger than the size of one side of the card slot 11 on the grinding block 9, thereby pushing the grinding block 9 to slide inside the slide cavity 6, and making the grinding block The card slot 11 on 9 is directly below one side of the material trough 13, and then a grinding block 9 is placed in the slide cavity 6, and the two grinding blocks 9 are spliced ​​together by the card connection between the adjacent card strips 10 and the card slots 11, and then the above steps are repeated to splice multiple grinding blocks 9, and when the last grinding block 9 is discharged, the output end of the telescopic rod 7 pushes the connecting block 8 to move, and makes the card strip 10 on the connecting block 8 directly below the other side of the upper material trough 13, and then the connecting body of the connecting block 8 and the grinding block 9 can be assembled together. Then the linear motor 4 slides along the slide rail 5, so that the slide bar 2 drives the grinding block 9 to move, and by moving the ends of the two slide bars 2 that are close to each other approach the wheel, and with the reduction of the spacing, the two sides of the wheel enter the connecting groove 12 and contact the grinding block 9, and then the output end of the telescopic rod 7 is extended and retracted, so that the surface of the outermost grinding block 9 contacts the wheel, and then the output end of the driving motor 32 rotates, so that the upper chuck 31 drives the wheel to rotate, and the lower chuck 31 follows the synchronous rotation through the contact with the ball 39 and the connection between the rotating shaft 37 and the groove 36, so that the wheel and the chuck 31 form a whole and rotate synchronously, and automatically grind through the rotation of the wheel and the contact with the grinding block 9, thereby improving the grinding efficiency and grinding effect, and during the grinding process, the output end of the telescopic rod 7 is extended, so that the adjacent grinding blocks 9 contact the wheel in turn, thereby further improving the grinding effect, and with the movement of the grinding block 9, when the damaged grinding block 9 moves to the top of the lower material trough 13, it slides down and falls by gravity to automatically unload the material.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding machine for railway wheel production, comprising a base (1), characterized in that: The base (1) is provided with a grinding mechanism on the outside, and the grinding mechanism includes two obliquely and symmetrically arranged slide bars (2), the outer surfaces of the two slide bars (2) are fixedly connected with linear motors (4), the outer surfaces of the linear motors (4) on both sides are slidably connected with slide rails (5), the outer surfaces of the two slide rails (5) are fixedly connected with the outer surface of the base (1), the slide bar (2) is provided with a sliding cavity (6), the interior of the sliding cavity (6) is penetrated and fixedly connected with a telescopic rod (7), the output end of the telescopic rod (7) is fixedly connected with a connecting block (8), the outer surface of the connecting block (8) is The surface of the connecting block (8) is movably connected to the interior of the slide cavity (6); the outer surface of the connecting block (8) is movably connected to the grinding block (9); the outer surfaces of the connecting block (8) and the grinding block (9) are fixedly connected to a clamping strip (10); a clamping groove (11) is provided on the other side of the outer surface of the grinding block (9); the outer surface of the clamping strip (10) is movably connected to the interior of the clamping groove (11); the body of the slide bar (2) is provided with a through connecting groove (12); both sides of the body of the slide bar (2) are provided with through material grooves (13); the interiors of the material grooves (13) and the connecting grooves (12) on both sides are connected to the interior of the slide cavity (6).

2. A grinding machine for railway wheel production according to claim 1, characterized in that: A clamping assembly (3) is arranged outside the slide bar (2), and the clamping assembly (3) comprises a clamping disc (31) symmetrically arranged up and down, and a driving motor (32) is fixedly connected to the outer surface of the upper clamping disc (31).

3. A grinding machine for railway wheel production according to claim 2, characterized in that: The outer surface of the driving motor (32) is fixedly connected to a lifting rod (33), the outer surface of the lifting rod (33) is penetrated and fixedly connected to a bracket (34), and the outer surface of the bracket (34) is fixedly connected to the outer surface of the base (1).

4. The grinding machine for railway wheel production according to claim 2, characterized in that: The outer surface of the lower chuck (31) is movably connected to a conical seat (35), and the outer surface of the conical seat (35) is fixedly connected to the outer surface of the base (1).

5. A grinding machine for railway wheel production according to claim 4, characterized in that: The outer surface of the cone seat (35) is provided with a groove (36), the interior of the groove (36) is movably connected with a rotating shaft (37), and one end of the rotating shaft (37) is fixedly connected to the outer surface of the lower chuck (31).

6. The grinding machine for railway wheel production according to claim 4, characterized in that: The outer surface of the cone seat (35) is provided with a ball groove (38), the interior of the ball groove (38) is movably connected with a ball (39), and the outer surface of the ball (39) is movably connected to the outer surface of the lower chuck (31).

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