Composite grinding machine with stock bin

Abstract

The utility model belongs to the technical field of grinding machines, and relates to a composite grinding machine with a stock bin, which comprises a composite grinding machine, the composite grinding machine comprises a grinding machine base, one side of the grinding machine base is provided with a clamp working table which slides longitudinally, and the other side of the grinding machine base is provided with a first grinding tool working table and a second grinding tool working table which slide transversely. A workpiece clamp is arranged on the clamp workbench, a first main shaft is arranged on the first grinding tool workbench, a stand column is arranged on the second grinding tool workbench, and a second main shaft which slides vertically is arranged on the front side of the stand column. The stock bin is arranged on one side of the composite grinding machine and comprises a rotary table driven by a power device, and a plurality of material clamping assemblies matched with workpieces are arranged on the rotary table in the circumferential direction; and the transferring mechanism comprises a truss erected above the composite grinding machine and the stock bin, and a workpiece transferring clamp is arranged on the truss in a sliding mode. According to the composite grinding machine with the stock bin, machining procedures can be simplified, and machining efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinders and relates to a compound grinder with a material bin. Background Art

[0002] Some more complex parts, such as the oil-distributing sleeve of the power chuck, need to be processed in multiple parts, such as the inner cylindrical surface, outer cylindrical surface, outer cylindrical step surface, end surface, etc. Therefore, multiple devices are required for processing, resulting in cumbersome processing procedures and low efficiency. In addition, the feeding mechanism equipped in the existing grinding machine equipment is also relatively simple, which is only a material tray for carrying the workpiece, and the degree of automation is not high. If equipped with a more complex feeding robot arm, the equipment cost will increase significantly. Utility Model Content

[0003] The utility model aims at the deficiencies of the prior art and provides a compound grinding machine with a material bin, which can simplify the machining process and improve the machining efficiency.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A compound grinding machine with a silo, comprising:

[0006] A compound grinder, the compound grinder comprising a grinder base, a fixture worktable for longitudinal sliding is arranged on one side of the grinder base, a first grinding tool worktable and a second grinding tool worktable for transverse sliding are arranged on the other side, a workpiece fixture is arranged on the fixture worktable, the first grinding tool worktable and the second grinding tool worktable are arranged front and back, a first spindle is arranged on the first grinding tool worktable, a first grinding wheel is mounted on the first spindle, a column is arranged on the second grinding tool worktable, a second spindle for vertical sliding is arranged on the front side of the column, a second grinding wheel is mounted on the second spindle, and the workpiece fixture, the first spindle and the second spindle are respectively driven to rotate by their corresponding driving devices;

[0007] A material bin is arranged on one side of the compound grinding machine, and comprises a turntable driven by a power device, and a plurality of material clamping components adapted to the workpiece are arranged circumferentially on the turntable;

[0008] The transfer mechanism comprises a truss erected above the compound grinding machine and the material bin, and a workpiece transfer fixture is slidably arranged on the truss.

[0009] In the above-mentioned compound grinding machine with a material bin, the workpiece fixture, the first spindle and the second spindle are preferably electric spindles, and the turntable is driven by a motor.

[0010] In the above-mentioned composite grinder with a material bin, each worktable is driven by a linear motor or a motor-screw assembly. Preferably, one or more of the fixture worktable, the first grinding tool worktable, and the second grinding tool worktable are driven by a linear motor.

[0011] In the above-mentioned composite grinder with a material bin, the material clamping assembly includes a plurality of clamping rods arranged circumferentially, and a plurality of workpieces are stacked in the clamping rods. Furthermore, the clamping rods are arranged in a vertical direction. In addition, a lifting mechanism for the workpieces can also be arranged in the middle of the clamping rods.

[0012] In the above-mentioned composite grinder with a material bin, the workpiece transfer fixture includes a pair of vertically sliding lifting rods, and the lower ends of the lifting rods are provided with workpiece transfer claws for clamping the workpiece. Further, the lifting rods are driven by a motor and a screw mechanism; or driven by a motor and a gear rack.

[0013] In the above-mentioned compound grinder with a material bin, the lifting rod is driven by a linear module or a motor to slide laterally on the truss.

[0014] In the above-mentioned composite grinder with a material bin, the axis of the workpiece in the material bin is arranged in the vertical direction, the axis of the workpiece clamped by the workpiece clamp is arranged in the horizontal direction, and the workpiece transfer claw is rotatably connected to the lower end of the lifting rod. Further, the workpiece transfer claw is driven to rotate by a rotary cylinder, and its rotation angle is 90°, switching between the horizontal direction and the vertical direction.

[0015] In the above-mentioned composite grinding machine with a material bin, the first grinding wheel processes the inner circle of the workpiece, and the second grinding wheel processes the outer circle and end face of the workpiece.

[0016] In the above-mentioned compound grinding machine with a material bin, the compound grinding machine further comprises a dressing device, and the dressing device is arranged on the fixture workbench and parallel to the workpiece fixture.

[0017] In the above-mentioned composite grinder with a material bin, the dressing device includes a dressing base fixed on the fixture workbench, the front end of the dressing base is hinged with a dressing cantilever driven by a power device to rotate, the front end of the dressing cantilever is sleeved with a dressing grinding wheel, the rotation axis of the dressing cantilever is distributed in the longitudinal direction, and the axis of the dressing grinding wheel is distributed in the transverse direction. The dressing grinding wheel can also use a diamond pen or the like. Preferably, the rotation drive mechanism of the dressing cantilever is a reduction motor.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model provides a composite grinder with a hopper, which improves the structure of the grinder and can process the inner circle, outer circle, end face and step surface of the workpiece on the same machine tool. At the same time, the utility model also integrates a loading mechanism, and realizes the automation of loading and unloading by cooperating with a turntable hopper and a workpiece transfer mechanism. The composite grinder with a hopper provided by the utility model can simplify the processing procedures and improve the processing efficiency.

[0020] 2. The utility model further improves the dressing device of the compound grinder by integrating the dressing device into the fixture workbench, so that it has a more stable structure and more precise feeding. At the same time, a rotating mechanism is used to form an avoidance structure so that it will not affect the normal operation of the grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the front view of the utility model;

[0022] Figure 2 It is a side view of the utility model;

[0023] Figure 3 It is a three-dimensional diagram of the dressing device of the utility model;

[0024] Figure numerals: 1. grinder base; 2. fixture worktable; 3. first grinder worktable; 4. second grinder worktable; 5. workpiece fixture; 6. first spindle; 7. first grinding wheel; 8. column; 9. second spindle; 10. second grinding wheel; 11. hopper; 12. turntable; 13. truss; 14. clamping rod; 15. lifting rod; 16. workpiece transfer claw; 17. dressing base; 18. dressing cantilever; 19. dressing grinding wheel. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings. Figure 1-3 :

[0026] A compound grinding machine with a silo, comprising:

[0027] A compound grinder, the compound grinder includes a grinder base 1, one side of the grinder base 1 is provided with a longitudinally sliding fixture worktable 2, and the other side is provided with a transversely sliding first grinding tool worktable 3 and a second grinding tool worktable 4, the fixture worktable 2 is provided with a workpiece fixture 5, the first grinding tool worktable 3 and the second grinding tool worktable 4 are arranged front and back, the first grinding tool worktable 3 is provided with a first spindle 6, the first spindle 6 is mounted with a first grinding wheel 7, the second grinding tool worktable 4 is provided with a column 8, the front side of the column 8 is provided with a vertically sliding second spindle 9, the second spindle 9 is mounted with a second grinding wheel 10, the workpiece fixture 5, the first spindle 6 and the second spindle 9 are respectively driven to rotate by their corresponding driving devices, and in this embodiment, the workpiece fixture 5, the first spindle 6 and the second spindle 9 are all driven by electric spindles.

[0028] The dressing device is arranged on the fixture workbench 2 and is arranged parallel to the workpiece fixture 5. The dressing device includes a dressing base 17 fixed on the fixture workbench 2. The front end of the dressing base 17 is hinged with a dressing cantilever 18 driven to rotate by a power device. The front end of the dressing cantilever 18 is sleeved with a dressing grinding wheel 19. The rotation axis of the dressing cantilever 18 is distributed in the longitudinal direction, and the axis of the dressing grinding wheel 19 is distributed in the transverse direction. In this embodiment, the rotation driving mechanism of the dressing cantilever 18 is a reduction motor.

[0029] The material bin 11 is arranged on one side of the compound grinder, and includes a turntable 12 driven by a power device, and a plurality of material clamping components adapted to the workpiece are arranged circumferentially on the turntable 12. In this embodiment, the turntable 12 is driven by a motor; the material clamping components include a plurality of circumferentially arranged clamping rods 14, and a plurality of workpieces are stacked in the clamping rods 14; preferably, the clamping rods 14 are arranged in the vertical direction and clamp the workpieces. In addition, a workpiece lifting mechanism can be arranged in the middle of the clamping rods 14 to lift the workpieces when loading.

[0030] The transfer mechanism includes a truss 13 erected above the composite grinder and the silo 11, and a workpiece transfer fixture is slidably arranged on the truss 13. The workpiece transfer fixture includes a pair of vertically sliding lifting rods 15, and the lower ends of the lifting rods 15 are provided with workpiece transfer claws 16 for clamping the workpiece. Further, the lifting rods 15 are driven by a motor and a screw mechanism; or driven by a motor and a gear rack. The lifting rods 15 slide horizontally on the truss 13 through a linear module or a motor drive.

[0031] In this embodiment, in order to realize the smooth transfer of the workpiece, the axis of the workpiece in the silo 11 is arranged in the vertical direction, the axis of the workpiece clamped by the workpiece fixture 5 is arranged in the horizontal direction, and the workpiece transfer claw 16 is rotatably connected to the lower end of the lifting rod 15. Further, the workpiece transfer claw 16 is driven to rotate by a rotary cylinder, and its rotation angle is 90°, switching between the horizontal direction and the vertical direction.

[0032] The working process of this embodiment is:

[0033] Loading: The lifting rod 15 moves downward to the top of the material bin 11, and the workpiece transfer claw 16 grabs the workpiece to be processed, and then moves upward with the lifting rod 15, and the workpiece transfer claw 16 rotates 90°, so that the axis of the workpiece rotates from the vertical direction to the horizontal direction, and then moves along the truss 13 to the top of the compound grinder, and moves downward to the loading station, aligns with the workpiece fixture 5 and feeds the workpiece;

[0034] Processing: The workpiece fixture 5 clamps the workpiece and feeds it to the first processing station along with the fixture worktable 2. The first spindle 6 feeds to the processing station along with the first mold worktable. The inner cylindrical surface of the workpiece is processed by the first grinding wheel 7. After the processing is completed, it is reset. The fixture worktable 2 is fed to the second processing station. The second spindle 9 moves downward and feeds to the processing station along with the second mold worktable. The outer cylindrical surface, end surface and step surface of the workpiece are processed by the second grinding wheel 10. After the processing is completed, it is reset.

[0035] Unloading, in contrast to loading, the transfer mechanism transfers the processed workpieces to the silo 11;

[0036] Dressing: When dressing is needed, the power device drives the dressing cantilever 18 to rotate from the avoidance position to the dressing position, and then it is fed to the dressing station along with the fixture worktable 2. The grinding wheel that needs to be dressed is also fed to the dressing station, and the grinding wheel is dressed using the dressing grinding wheel 19. After the dressing is completed, the dressing cantilever 18 returns to the avoidance position.

[0037] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A compound grinding machine with a silo, characterized in that: include: A composite grinding machine, the composite grinding machine comprising a grinding machine base (1), one side of the grinding machine base (1) is provided with a fixture worktable (2) that can slide longitudinally, and the other side is provided with a first grinding tool worktable (3) and a second grinding tool worktable (4) that can slide transversely, a workpiece fixture (5) is provided on the fixture worktable (2), the first grinding tool worktable (3) and the second grinding tool worktable (4) are arranged front and back, a first spindle (6) is provided on the first grinding tool worktable (3), a first grinding wheel (7) is mounted on the first spindle (6), a column (8) is provided on the second grinding tool worktable (4), a second spindle (9) that can slide vertically is provided on the front side of the column (8), a second grinding wheel (10) is mounted on the second spindle (9), and the workpiece fixture (5), the first spindle (6) and the second spindle (9) are respectively driven to rotate by their corresponding driving devices; A material bin (11), the material bin (11) being arranged on one side of the composite grinding machine, comprising a turntable (12) driven by a power device, wherein a plurality of material clamping components adapted to the workpiece are arranged circumferentially on the turntable (12); The transfer mechanism comprises a truss (13) erected above the composite grinding machine and the material bin (11), and a workpiece transfer fixture is slidably arranged on the truss (13).

2. A compound grinding machine with a silo according to claim 1, characterized in that: The material clamping assembly comprises a plurality of clamping rods (14) arranged circumferentially, and a plurality of workpieces are stacked in the clamping rods (14).

3. A compound grinding machine with a silo according to claim 1, characterized in that: The workpiece transfer fixture comprises a pair of vertically sliding lifting rods (15), and the lower ends of the lifting rods (15) are provided with workpiece transfer claws (16) for clamping the workpiece.

4. A compound grinding machine with a silo according to claim 3, characterized in that: The axis of the workpiece in the material bin (11) is arranged in the vertical direction, the axis of the workpiece clamped by the workpiece clamp (5) is arranged in the horizontal direction, and the workpiece transfer claw (16) is rotatably connected to the lower end of the lifting rod (15).

5. The compound grinding machine with a silo according to claim 1, characterized in that: The first grinding wheel (7) processes the inner circle of the workpiece, and the second grinding wheel (10) processes the outer circle and end face of the workpiece.

6. The compound grinding machine with a silo according to claim 1, characterized in that: One or more of the fixture worktable, the first mold worktable and the second mold worktable are driven by a linear motor.

7. The compound grinding machine with a silo according to claim 1, characterized in that: The composite grinding machine also comprises a dressing device, which is arranged on the fixture workbench (2) and parallel to the workpiece fixture (5).

8. A compound grinding machine with a silo according to claim 7, characterized in that: The dressing device comprises a dressing base (17) fixed on a fixture workbench (2); a dressing cantilever (18) driven to rotate by a power device is hinged at the front end of the dressing base (17); a dressing grinding wheel (19) is mounted at the front end of the dressing cantilever (18); the rotation axis of the dressing cantilever (18) is distributed in the longitudinal direction, and the axis of the dressing grinding wheel (19) is distributed in the transverse direction.

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