Grinding device for manufacturing valve

Abstract

A grinding device for manufacturing a valve, comprising a machine box. Grinding wheels used for grinding are arranged above the machine box. The grinding wheels are installed on transmission shafts and the transmission shafts are transmittingly connected to a driving motor which provides power for rotation of the grinding wheels. A grinding positioning assembly is arranged on one side of each of the grinding wheels, and the grinding positioning assemblies can support a plurality of blank bars to be ground at the same time. Each grinding positioning assembly comprises a first bottom plate, a first curved plate is provided at the end of the first bottom plate proximate to the corresponding grinding wheel, a discharge slot is formed on the first curved plate, an inclined first fixed plate is connected to the upper end of the first curved plate, fixed blocking plates are arranged on the two sides of the first bottom plate, respectively, and a first supporting shaft and a second supporting shaft are arranged between the two fixed blocking plates. According to the present invention, a plurality of blank bars can be ground at the same time, the grinding efficiency is high, and operators are prevented from being hurt in a grinding process.

Description

A grinding device for manufacturing valves Technical Field

[0001] The present invention relates to the technical field of engine valve production and processing, and in particular to a grinding device for manufacturing valves. Background Art

[0002] The valve is used to input air into the engine and discharge the exhaust gas after combustion. It is divided into intake valve and exhaust valve. The intake valve is used to suck air into the engine and mix it with fuel for combustion, while the exhaust valve is used to discharge the exhaust gas after combustion and dissipate heat. In the production and processing of the valve, the end of the blank bar that has undergone the cutting process needs to be polished. At present, when grinding the blank bar by hand, when grinding multiple blank bars at the same time, it is difficult to ensure that the end of all the blank bars and the grinding wheel are in contact and polished to the same degree, which may easily cause the grinding degree of some blank bars to be insufficient and need to be re-polished, which prolongs the processing time. Moreover, since the hand-held part is located on the side of the running grinding equipment during the grinding process, it may easily pose a threat to operational safety. Summary of the Invention

[0003] The object of the present invention is to provide a grinding device for manufacturing valves, which can effectively solve the technical problems mentioned in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A grinding device for manufacturing valves includes a chassis, a grinding wheel for grinding is disposed above the chassis, the grinding wheel is mounted on a transmission shaft, the transmission shaft is connected to a drive motor that provides power for the rotation of the grinding wheel, and a grinding positioning assembly is disposed on one side of the grinding wheel. The grinding positioning assembly can simultaneously support multiple blank bars to be ground;

[0006] The grinding and positioning assembly includes a first base plate, a first curved plate is provided on one end of the first base plate near the grinding wheel, a discharge notch is opened on the first curved plate, an upper end of the first curved plate is connected to an inclined first fixed plate, fixed baffles are respectively provided on both sides of the first base plate, a first support shaft and a second support shaft are provided between the two fixed baffles, one end of the blank bar to be ground passes through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge notch, and the blank bar is pressed against the first support shaft and the second support shaft at the same time during the grinding process;

[0007] It also includes a clamping assembly, which is used to position and clamp the blank bar material to be ground.

[0008] Preferably, a first support is provided below the first base plate, a first guide block is connected to the bottom surface of the first base plate, a first guide groove is provided on the first support, the first guide block is installed in the first guide groove and moves along the first guide groove, a first connecting block is connected to the fixed baffle, one end of the first support is connected to the first mounting plate, and one end of the adjusting bolt passes through the first screw hole provided on the first mounting plate and the second screw hole provided on the first fixed block in sequence.

[0009] Preferably, the clamping assembly includes a first placing plate and a second placing plate, the upper surface of the second placing plate is provided with a bar material baffle, the lower surface is provided with a screw fixing seat, and two first fixing blocks are correspondingly provided at the bottom of the first placing plate, the first fixing block is provided with a first guide hole, the second guide hole is passed through a first screw, one end of the first screw is connected to the screw fixing seat, and the first screw is threadedly connected with a first locking nut and a second locking nut on both sides of the first fixing block, respectively, the first placing plate is connected to a first limiting plate, and the blank bar material is placed between the first placing plate and the first limiting plate.

[0010] Preferably, the first limiting plate includes an upper limiting plate and side limiting plates respectively connected to both sides of the upper limiting plate and having an arc-shaped structure. The lower end of the side limiting plate is connected to the first positioning plate, and the first positioning plate is connected to the side wall of the first placement plate.

[0011] Preferably, it further comprises a limiting assembly, which is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged.

[0012] Preferably, the limiting assembly includes a second limiting plate, the two sides of the second limiting plate are respectively connected to the first sliding plate and the second sliding plate, the first sliding plate and the second sliding plate are respectively provided with a first sliding groove and a second sliding groove in the vertical direction, one end of the positioning screw passes through the first sliding groove and is connected to the side wall of the first placement plate, the third locking nut is threadedly connected to the positioning screw and pressed against the first sliding plate, and the outer end of the positioning screw is connected to the first limiting block;

[0013] A second guide slider is provided in the second slide groove and slides along the second slide groove. One end of the second guide slider is connected to the upper side wall of the first placement plate, and the other end is connected to the second limit block.

[0014] Preferably, the upper surface of the first placement plate and the upper surface of the second placement plate are located on the same plane, and a handle is provided on the bottom surface of the first placement plate.

[0015] Preferably, the first support is provided on a fixed base, the bottom of the fixed base is connected to a first mounting block via a first connecting plate, and the first mounting block is connected to the chassis.

[0016] Preferably, the first guide block is a T-shaped guide block, and the angle between the first fixing plate and the horizontal plane is 30-45 degrees.

[0017] Preferably, a collecting channel is provided below the grinding wheel, and pollutants dropped during the grinding process enter a collecting box provided in the chassis through the collecting channel. The upper end of the collecting channel is large and the lower end is small.

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

[0019] 1. The present invention can grind multiple blank rods at the same time, and it is only necessary to arrange the blank rods in a layer on the first placing plate, and at the same time tilt the first placing plate so that one end of the blank rod is in contact with the rod baffle, and the length of the first placing plate extended by the other end of the blank rod meets the grinding needs, and then adjust the relative position of the first placing plate and the second placing plate. During adjustment, the first screw moves along the first guide hole on the first fixing block until the length of the blank rod extending out of the first placing plate meets the needs, so that the first locking nut and the second locking nut on both sides of the first fixing block are tightened to the first fixing block, and the relative position of the first placing plate and the second placing plate remains fixed; thereafter, the blank rod on the first placing plate is pressed and passed through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge groove, so that the blank rod is evenly in contact with the grinding wheel, thereby improving the grinding efficiency.

[0020] 2. During the grinding process, the blank bar can be pressed on the first support shaft and the second support shaft at the same time. At this time, under the simultaneous pressing action of the first support shaft and the second support shaft on the blank bar, the blank bar is not easy to slip during the grinding process. At the same time, the operator's hand holding part will not come into contact with the grinding wheel, which is conducive to maintaining operation safety. The operator can observe the grinding situation along the inclined first fixed plate. During grinding, the pressed blank bar is pushed on the first placing plate to make the blank bar roll on the first placing plate to ensure that the periphery of the end is evenly ground; the limiting component makes the arrangement order of the blank bar placed on the first placing plate remain unchanged, so that the blank bar rolls on the first placing plate at the same time to prevent the blank bar from leaving the first placing plate, resulting in incomplete uniform grinding of the end; when adjusting the spacing between the second limiting plate and the first placing plate, the second guide slider slides along the second slide groove, and after the adjustment is completed, the first sliding plate is pressed against the first placing plate by the third locking nut to achieve positioning of the second limiting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a schematic structural diagram of a grinding device for manufacturing valves according to an embodiment of the present invention;

[0022] FIG2 is a schematic diagram of a first perspective view of a polishing and positioning assembly according to an embodiment of the present invention;

[0023] FIG3 is a schematic diagram of a second viewing angle of a polishing and positioning assembly according to an embodiment of the present invention;

[0024] FIG4 is a schematic diagram of a grinding and positioning assembly from a third perspective according to an embodiment of the present invention;

[0025] FIG5 is a schematic diagram of a clamping assembly from a first perspective according to an embodiment of the present invention;

[0026] FIG6 is a partial enlarged schematic diagram of A in FIG5 ;

[0027] FIG7 is a schematic diagram of a clamping assembly from a second perspective according to an embodiment of the present invention;

[0028] FIG8 is a partial enlarged schematic diagram of B in FIG7;

[0029] FIG9 is a schematic diagram of the clamping assembly from a third perspective in an embodiment of the present invention;

[0030] In the figure, 1, chassis, 2, grinding wheel, 3, fixed shell, 4, shell base, 5, first bottom plate, 6, first curved plate, 7, discharge slot, 8, first fixed plate, 9, fixed baffle, 10, first support shaft, 11, second support shaft, 12, first support, 13, first guide groove, 14, first connecting block, 15, first mounting plate, 16, adjusting bolt, 17, first placement plate, 18, second placement plate, 19, bar baffle, 20, screw fixing seat, 21, first fixed block, 22, first Screw, 23. First locking nut, 24. Second locking nut, 25. First limiting plate, 26. Upper limiting plate, 27. Side limiting plate, 28. First positioning plate, 29. Second limiting plate, 30. First sliding plate, 31. Second sliding plate, 32. First slide groove, 33. Second slide groove, 34. Positioning screw, 35. Third locking nut, 36. First limiting block, 37. Second guide slider, 38. Second limiting block, 39. Handle, 40. Fixed base, 41. First connecting plate, 42. Collection channel. Implementation Method

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] Referring to Figures 1-9, a grinding device for manufacturing valves includes a chassis 1. A grinding wheel 2 for grinding is disposed above the chassis 1. The grinding wheel 2 is mounted on a drive shaft, which is connected to a drive motor that provides power for the grinding wheel to rotate. A grinding positioning assembly is disposed on one side of the grinding wheel 2. The grinding positioning assembly can simultaneously support multiple blank bars to be ground. The drive shaft and the drive motor are mounted within a fixed housing 3. The fixed housing 3 is fixed to a housing base 4, which is mounted on the chassis 1.

[0033] The grinding positioning assembly includes a first base plate 5, a first curved plate 6 is provided on one end of the first base plate 5 close to the grinding wheel 2, a discharge slot 7 is opened on the first curved plate 6, the upper end of the first curved plate 6 is connected to a first fixed plate 8 which is set obliquely, fixed baffles 9 are respectively provided on both sides of the first base plate 5, a first support shaft 10 and a second support shaft 11 are provided between the two fixed baffles 9, one end of the blank rod to be ground passes through between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge slot 7, and the blank rod is pressed against the first support shaft 10 and the second support shaft 11 at the same time during the grinding process.

[0034] During grinding, the blank bar extends through the discharge notch 7 to prevent the operator's hand holding part from contacting the grinding wheel 2 and causing injury, and is also helpful in preventing particles generated during grinding from splashing into the eyes and threatening operator safety. The blank bar is simultaneously pressed against the first support shaft 10 and the second support shaft 11 to achieve positioning of the blank bar during grinding;

[0035] The present invention further comprises a clamping assembly, which is used to position and clamp the blank bar material to be ground;

[0036] A first support 12 is provided below the first base plate 5. A first guide block is connected to the bottom surface of the first base plate 5. A first guide groove 13 is provided on the first support 12. The first guide block is installed in the first guide groove 13 and moves along the first guide groove 13. A first connecting block 14 is connected to the fixed baffle 9. One end of the first support 12 is connected to the first mounting plate 15. One end of the adjusting bolt 16 passes through a first screw hole provided on the first mounting plate 15 and a second screw hole provided on the first fixing block 14 in sequence.

[0037] The distance between the discharge slot 7 and the grinding wheel 2 is adjusted by adjusting the bolt 16, and the inclination angle of the first fixing plate 8 is set to facilitate observation of the grinding condition of the blank bar;

[0038] The clamping assembly includes a first placing plate 17 and a second placing plate 18, the upper surface of the second placing plate 18 is provided with a bar baffle 19, and the lower surface is provided with a screw fixing seat 20, and the bottom of the first placing plate 17 is correspondingly provided with two first fixing blocks 21, the first fixing block 21 is provided with a first guide hole, and the second guide hole is passed through a first screw 22, one end of the first screw 22 is connected to the screw fixing seat 20, and the first screw 22 is located on both sides of the first fixing block 21 and is respectively threadedly connected with a first locking nut 23 and a second locking nut 24, the first placing plate 17 is connected to the first limiting plate 25, and the blank bar is placed between the first placing plate 17 and the first limiting plate 25;

[0039] When adjusting the relative positions of the first placement plate 17 and the second placement plate 18, the first placement plate 17 moves along the first screw 22 along with the first fixing block 21 until one end of the blank bar contacts the bar baffle 19 and the other end extends beyond the length of the first placement plate 17 to meet the grinding requirements;

[0040] The first limiting plate 25 includes an upper limiting plate 26 and side limiting plates 27 respectively connected to both sides of the upper limiting plate 26 and having an arc-shaped structure. The lower end of the side limiting plate 27 is connected to the first positioning plate 28, and the first positioning plate 28 is connected to the side wall of the first placement plate 17.

[0041] The present invention further includes a limiting assembly, which is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged;

[0042] The limiting assembly includes a second limiting plate 29, the two sides of which are respectively connected to the first sliding plate 30 and the second sliding plate 31, the first sliding plate 30 and the second sliding plate 31 are respectively provided with a first sliding groove 32 and a second sliding groove 33 in the vertical direction, one end of a positioning screw 34 passes through the first sliding groove 32 and is connected to the upper side wall of the first placement plate 17, a third locking nut 35 is threadedly connected to the positioning screw 34 and pressed against the first sliding plate 30, and the outer end of the positioning screw 34 is connected to the first limiting block 36;

[0043] Adjust the relative position between the second limiting plate 29 and the first placement plate 17 so that the blank bars are arranged in a layer on the first placement plate 17 and the blank bars can roll on the first placement plate 17, but the blank bars already arranged on the first placement plate 17 remain unchanged;

[0044] A second guide slider 37 is provided in the second chute 33 and slides along the second chute 33 . One end of the second guide slider 37 is connected to the upper side wall of the first placement plate 17 , and the other end is connected to the second limit block 38 .

[0045] The upper surface of the first placement plate 17 and the upper surface of the second placement plate 18 are located on the same plane. A handle 39 is provided on the bottom surface of the first placement plate 17. The operator can hold the handle 39 and press the blank bar on the first placement plate 17.

[0046] The first support 12 is provided on a fixed base 40 , the bottom of the fixed base 40 is connected to a first mounting block via a first connecting plate 41 , and the first mounting block is connected to the chassis 1 ;

[0047] The first guide block is a T-shaped guide block, and the angle between the first fixed plate 8 and the horizontal plane is 30-45 degrees; a collection channel 42 is provided under the grinding wheel 2, and the pollutants dropped during the grinding process enter the collection box provided in the chassis 1 through the collection channel 42, and the upper end of the collection channel 42 is large and the lower end is small.

[0048] The present invention can grind multiple blank bars at the same time, and it is only necessary to arrange the blank bars in a layer on the first placing plate 17, and at the same time tilt the first placing plate 17 so that one end of the blank bar contacts the bar baffle 19, and according to the length of the other end of the blank bar extending out of the first placing plate 17 to meet the grinding needs, the relative position of the first placing plate 17 and the second placing plate 18 is adjusted. During adjustment, the first screw 22 moves along the first guide hole on the first fixing block 21 until the length of the blank bar extending out of the first placing plate 17 meets the needs, so that the first locking nut 23 and the second locking nut 24 on both sides of the first fixing block 21 are pressed against the first fixing block 21, and the relative position of the first placing plate 17 and the second placing plate 18 remains fixed; thereafter, the blank bar on the first placing plate 17 is pressed and passed between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge notch 7, so that the blank bar contacts the grinding wheel 2 evenly, thereby improving the grinding efficiency;

[0049] During the grinding process, the blank bar can be pressed against the first support shaft 10 and the second support shaft 11 at the same time. At this time, under the pressing action of the first support shaft 10 and the second support shaft 11 on the blank bar, the blank bar is not easy to slide during the grinding process. At the same time, the operator's hand-held part will not come into contact with the grinding wheel 2, which is conducive to maintaining operational safety. The operator can observe the grinding situation along the inclined first fixed plate 8. During grinding, the pressed blank bar is pushed on the first placement plate 17 so that the blank bar is on the first placement plate 17. Rolling to ensure that the periphery of the end is evenly polished; the limiting component keeps the arrangement order of the blank bars placed on the first placement plate 17 unchanged, so that the blank bars roll simultaneously on the first placement plate 17 to prevent the blank bars from detaching from the first placement plate 17 and causing the end to be not evenly polished; when adjusting the distance between the second limiting plate 29 and the first placement plate 19, the second guide slider 37 slides along the second slide groove 33. After the adjustment is completed, the first sliding plate 30 is pressed against the first placement plate 17 by the third locking nut 35 to achieve the positioning of the second limiting plate 29.

[0050] The above description is merely an example and illustration of the structure of the present invention. Any modifications, additions, or similar substitutions made by persons skilled in the art to the described embodiments shall fall within the scope of protection of the present invention, provided they do not deviate from the structure of the present invention or exceed the scope defined by the claims.

Claims

1. A grinding device for manufacturing valves, comprising a chassis, a grinding wheel for grinding is arranged above the chassis, the grinding wheel is mounted on a transmission shaft, the transmission shaft is connected to a driving motor that provides power for the rotation of the grinding wheel, and is characterized in that: A grinding positioning assembly is provided on one side of the grinding wheel, and the grinding positioning assembly can support a plurality of blank bars to be ground at the same time; The grinding and positioning assembly comprises a first base plate, a first arc plate is arranged at one end of the first base plate close to the grinding wheel, a discharge slot is formed on the first arc plate, an upper end of the first arc plate is connected to a first fixed plate arranged obliquely, fixed baffles are arranged on both sides of the first base plate, a first support shaft and a second support shaft are arranged between the two fixed baffles, one end of the blank bar material to be ground passes through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge slot, and the blank bar material is pressed against the first support shaft and the second support shaft at the same time during the grinding process; It also includes a clamping assembly, which is used to position and clamp the blank bar to be ground.

2. A grinding device for manufacturing valves according to claim 1, characterized in that: A first support is arranged below the first base plate, a first guide block is connected to the bottom surface of the first base plate, a first guide groove is opened on the first support, the first guide block is installed in the first guide groove and moves along the first guide groove, a first connecting block is connected to the fixed baffle, one end of the first support is connected to the first mounting plate, and one end of the adjusting bolt passes through a first screw hole opened on the first mounting plate and a second screw hole opened on the first fixing block in sequence.

3. The grinding device for manufacturing valves according to claim 1, characterized in that: The clamping assembly includes a first placing plate and a second placing plate, a bar baffle is provided on the upper surface of the second placing plate, a screw fixing seat is provided on the lower surface, two first fixing blocks are correspondingly provided at the bottom of the first placing plate, a first guide hole is opened on the first fixing block, a first screw is passed through the second guide hole, one end of the first screw is connected to the screw fixing seat, a first locking nut and a second locking nut are respectively threadedly connected on both sides of the first fixing block on the first screw, a first limiting plate is connected to the first placing plate, and the blank bar is placed between the first placing plate and the first limiting plate.

4. A grinding device for manufacturing valves according to claim 3, characterized in that: The first limiting plate includes an upper limiting plate and side limiting plates respectively connected to both sides of the upper limiting plate and having an arc-shaped structure. The lower end of the side limiting plate is connected to the first positioning plate, and the first positioning plate is connected to the side wall of the first placement plate.

5. The grinding device for manufacturing valves according to claim 4, characterized in that: It also includes a limiting component, which is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged.

6. A grinding device for manufacturing valves according to claim 5, characterized in that: The limiting assembly includes a second limiting plate, the two sides of the second limiting plate are respectively connected to the first sliding plate and the second sliding plate, the first sliding plate and the second sliding plate are respectively provided with a first sliding groove and a second sliding groove in the vertical direction, one end of the positioning screw passes through the first sliding groove and is connected to the upper wall of the first placement plate, the third locking nut is threadedly connected to the positioning screw and pressed on the first sliding plate, and the outer end of the positioning screw is connected to the first limiting block; A second guide slider is arranged in the second slide groove and slides along the second slide groove. One end of the second guide slider is connected to the upper side wall of the first placement plate, and the other end is connected to the second limit block.

7. A grinding device for manufacturing valves according to claim 6, characterized in that: The upper surface of the first placement plate and the upper surface of the second placement plate are located on the same plane, and a handle is provided on the bottom surface of the first placement plate.

8. The grinding device for manufacturing valves according to claim 2, characterized in that: The first support is arranged on a fixed base, the bottom of the fixed base is connected to a first mounting block via a first connecting plate, and the first mounting block is connected to the chassis.

9. The grinding device for manufacturing valves according to claim 2, characterized in that: The first guide block is a T-shaped guide block, and the angle between the first fixing plate and the horizontal plane is 30-45 degrees.

10. The grinding device for manufacturing valves according to claim 1, characterized in that: A collecting channel is arranged below the grinding wheel, and pollutants dropped during the grinding process enter a collecting box arranged in the chassis through the collecting channel. The upper end of the collecting channel is large and the lower end is small.

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