Milling machine for machining multiple surfaces of workpiece

Abstract

The milling machine comprises a milling cutter assembly and a machining table, the machining table is located below the milling cutter assembly, clamping plates which are oppositely arranged are arranged on the machining table, an ejector block is further arranged between the two clamping plates, the two clamping plates can get close to each other or get away from each other, and the ejector block can move front and back. When the device is implemented, multiple side faces of a workpiece can be limited and fixed through the two clamping plates and the ejector block, so that the milling cutter assembly can machine the end faces of the workpiece, and after one end face of the milling cutter assembly is machined, the clamping plates and the ejector block can be separated from the workpiece, and the workpiece can rotate; and the other unmachined end faces are moved to the positions where the end faces can be machined by the milling cutter assembly, the machining-rotating operation is repeated till all the end faces of the workpiece are machined, and therefore a user can machine the end faces of the workpiece conveniently.

Description

Technical Field

[0001] The invention belongs to the technical field of milling machines, in particular to a milling machine for multi-surface processing of a workpiece. Background Art

[0002] When using a milling machine to process the end face of a workpiece, the operating method in the prior art is roughly as follows: the worker fixes the workpiece in a predetermined position, and then the milling cutter assembly processes the end face of the workpiece. After the secondary end face processing is completed, the worker removes the workpiece, fixes the unprocessed end face in a position facing the milling cutter assembly, and then processes it again. This is repeated until all end faces of the workpiece are processed.

[0003] However, such an operation requires the full participation of workers to rotate the workpiece, which is time-consuming and labor-intensive. Therefore, the present application proposes a milling machine for multi-faceted workpiece processing. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a milling machine for multi-sided processing of a workpiece, which effectively solves the problems in the background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a milling machine for multi-sided workpiece processing, comprising a milling cutter assembly and a processing table, wherein the processing table is located below the milling cutter assembly, the processing table having clamping plates arranged opposite to each other, and a top block disposed between the two clamping plates, wherein the two clamping plates can move closer to or further away from each other, and the top block can move forward and backward;

[0006] A first threaded column and a second threaded column are provided in the processing table. Two clamping plates are mounted on the first threaded column, and the clamping plates and the first threaded column are threadedly matched. The two clamping plates have threaded blind holes, and the threads in the two threaded blind holes have opposite rotation directions. The top block is mounted on the second threaded column, and the two are threadedly matched.

[0007] The two clamping plates and the top block can respectively support the three sides of the workpiece, and the milling cutter can process the other side of the workpiece. The two clamping plates and the top block can synchronously move away from / close to the workpiece;

[0008] A rotatable turntable is also provided on the processing table, and the lower end of the workpiece is located on the turntable, which is rotatable.

[0009] Preferably, a first fixed rotating wheel is fixedly connected to the first threaded column, and a rotatable toggle gear plate is provided in the processing table. When the toggle gear plate rotates, the first fixed rotating wheel can rotate accordingly. Two second fixed rotating wheels are fixedly connected to the second threaded column, a forward driving disk is provided below one of the second fixed rotating wheels, and a reverse driving disk is provided below the other second fixed rotating wheel. The surfaces of the first fixed rotating wheel and the two second fixed rotating wheels are gear structures, and the upper end surfaces of the toggle gear plate, the forward driving disk and the reverse driving disk are all provided with first annular teeth. The toggle gear plate is meshed with the first fixed rotating wheel, and the two second fixed rotating wheels are meshed with the forward driving disk and the reverse driving disk respectively.

[0010] Preferably, a driven wheel is fixedly connected to the lower end of the turntable, a driving wheel is provided on one side of the driven wheel, and the driven wheel and the driving wheel are connected for transmission via a transmission belt.

[0011] Preferably, edges are provided on the surface of the shifting belt near both sides, a first rack and a second rack are provided on both sides of one edge, and a third rack is provided on the upper end surface of the edge, the circular surfaces of the shifting toothed disc and the forward driving disc are gears, and a second annular tooth is provided on the lower end surface of the driving wheel, the first rack cooperates with the forward driving disc, the second rack cooperates with the shifting toothed disc, and the third rack cooperates with the second annular tooth on the driving wheel;

[0012] The two side surfaces of the other edge are respectively provided with a fourth rack and a fifth rack, the fourth rack cooperates with the shifting gear plate, and the fifth rack cooperates with the reverse driving plate.

[0013] Preferably, the processing table is provided with two rotating wheels, and the driving belt is wound around the two rotating wheels.

[0014] Preferably, it further comprises a base and a column, the column is fixedly connected to the base, the milling cutter assembly is installed at the upper end of the column, and the processing table is installed on the side of the column.

[0015] To achieve the above object, the present invention further provides the following technical solution: a method for using a milling machine for multi-sided processing of a workpiece, comprising the following steps:

[0016] Step 1: Place the workpiece on the processing table with the lower end of the workpiece on the turntable. Then, the rotating wheel drives the shifting belt to slide. The two clamping plates can clamp and position both sides of the workpiece. The top block can support one end of the workpiece to limit the position. The milling cutter assembly processes the first end surface of the workpiece.

[0017] Step 2: When the first end surface of the workpiece is machined, the rotating wheel continues to drive the shifting belt to slide, and then the first rack can engage with the positive drive disk and the second rack can engage with one side of the shifting gear disk, so that the two clamping plates and the top block move away from the workpiece;

[0018] Step three, when the clamping plate and the top block are away from the workpiece to the extreme position, the third rack can be engaged with the driving wheel to transmit, so that the driving wheel rotates, and the driving wheel drives the driven wheel to rotate through the transmission belt, thereby causing the turntable to drive the workpiece to rotate, and after the turntable stops rotating, the second end face of the workpiece can engage with the milling cutter assembly;

[0019] In step 4, as the driving belt continues to slide, the fourth rack engages with the other side of the driving gear plate, causing the driving gear plate to rotate in the opposite direction to that in step 2, and the fifth rack cooperates with the reverse drive plate, causing the top block to move in the opposite direction to that in step 2, so that the two clamping plates and the top block fix the position of the workpiece again, and then the milling cutter assembly processes the second end surface of the workpiece;

[0020] Step 5: Repeat the operations of step 3 and step 4 until all end faces of the workpiece are processed, and then remove the processed workpiece from the processing table.

[0021] The second step comprises the following steps:

[0022] In step 201, when the first rack drives the forward drive disk, the forward drive disk can move one of the second fixed wheels, which is fixed to the second threaded column. At this time, the second threaded column rotates, and the top block engages with the second threaded column, so that the top block moves away from the workpiece.

[0023] Preferably, in step 202, when the second rack is engaged with one side of the shifting toothed disc, the upper end surface of the shifting toothed disc is engaged with the first fixed rotating wheel, thereby rotating the first threaded column, and the first threaded column cooperates with the clamping plate thread, thereby moving the clamping plate away from the workpiece.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] When this device is implemented, by using two clamps and a top block, multiple side surfaces of the workpiece can be limited and fixed, so that the milling cutter assembly can process the end face of the workpiece, and when the milling cutter assembly has completed processing of one of the end faces, the clamp and the top block can be separated from the workpiece, and the workpiece can be rotated, so that the other unprocessed end faces are moved to a position where they can be processed by the milling cutter assembly, and the processing-rotation operation is repeated until all end faces of the workpiece are processed, thereby facilitating the user's operation of processing the end face of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 Schematic diagram of the top view of the processing table of the present invention;

[0029] Figure 3 This is a schematic diagram of the internal structure of one side of the processing table of the present invention;

[0030] Figure 4 It is a schematic diagram of the matching structure of the clamping plate and the first threaded column of the present invention;

[0031] Figure 5 This is a schematic structural diagram of one side of the top block and the second threaded column of the present invention;

[0032] Figure 6 This is a schematic structural diagram of the other side of the top block and the second threaded column of the present invention;

[0033] Figure 7 Schematic diagram of the unfolded structure of the shifting belt of the present invention from a top view;

[0034] Figure 8 This is a schematic diagram of the internal top view of the processing table of the present invention.

[0035] In the figure: 1. base; 2. column; 3. motor; 4. processing table; 5. rotating wheel; 6. clamping plate; 7. top block; 8. turntable; 9. first threaded column; 10. first fixed rotating wheel; 11. shifting gear plate; 12. first sliding rod; 13. second threaded column; 14. driving wheel; 15. second fixed rotating wheel; 16. forward driving disk; 17. reverse driving disk; 18. transmission belt; 19. edge; 20. first rack; 21. second rack; 22. third rack; 23. fourth rack; 24. fifth rack; 25. driven wheel; 26. second sliding rod; 27. shifting belt. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] Depend on Figure 1-8The present invention discloses a milling machine for multi-sided processing of a workpiece, comprising a milling cutter assembly 3 and a processing table 4, wherein the processing table 4 is located below the milling cutter assembly 3, and the processing table 4 is provided with relatively arranged clamping plates 6 (the arrangement of the clamping plates 6 can also be arranged according to the shape of the workpiece, for example, for a quadrilateral or hexagonal workpiece, the clamping plates 6 are symmetrically arranged in parallel, and for a pentagonal workpiece, the clamping plates 6 can be arranged according to the conditions of different sides), and a top block 7 is further provided between the two clamping plates 6, so that the two clamping plates 6 can move closer to / away from each other, and the top block 7 can move forward and backward;

[0038] A first threaded column 9 and a second threaded column 13 are provided in the processing table 4. Two clamping plates 6 are mounted on the first threaded column 9, and the clamping plates 6 and the first threaded column 9 are threadedly matched. The two clamping plates 6 have threaded blind holes, and the threads in the two threaded blind holes have opposite rotation directions. The top block 7 is mounted on the second threaded column 13, and the two are threadedly matched.

[0039] The two clamping plates 6 and the top block 7 can respectively support the three sides of the workpiece, and the milling cutter can process the other side of the workpiece. The two clamping plates 6 and the top block 7 can synchronously move away from the workpiece / approach the workpiece;

[0040] A rotatable turntable 8 is also provided on the processing table 4 , and the lower end of the workpiece is located on the turntable 8 , which is rotatable.

[0041] When this device is implemented, by using two clamps 6 and a top block 7, multiple side surfaces of the workpiece can be limited and fixed, so that the milling cutter assembly 3 can process the end face of the workpiece, and when the milling cutter assembly 3 completes processing of one of the end faces, the clamp 6 and the top block 7 can be separated from the workpiece, and the workpiece can be rotated, so that the other unprocessed end faces are moved to a position where they can be processed by the milling cutter assembly 3, and the processing-rotation operation is repeated until all end faces of the workpiece are processed, thereby facilitating the user's operation of processing the end faces of the workpiece.

[0042] The first threaded column 9 is fixedly connected to a first fixed rotating wheel 10, so that when the first fixed rotating wheel 10 rotates, the first threaded column 9 can also rotate accordingly. A rotatable toggle gear plate 11 is provided in the processing table 4. Both the first fixed rotating wheel 10 and the toggle gear plate 11 are cylindrical structures. When the toggle gear plate 11 rotates, the first fixed rotating wheel 10 can rotate accordingly, and the two are engaged for transmission.

[0043] Two second fixed wheels 15 are fixedly connected to the second threaded column 13. A forward drive disc 16 is provided below one of the second fixed wheels 15, and a reverse drive disc 17 is provided below the other second fixed wheel 15. The second fixed wheels 15 are meshed with the forward drive disc 16 and the reverse drive disc 17.

[0044] The surfaces of the first fixed rotating wheel 10 and the two second fixed rotating wheels 15 are gear structures. The upper end surfaces of the shifting gear plate 11, the forward driving plate 16 and the reverse driving plate 17 are all provided with first annular teeth. The shifting gear plate 11 is meshed with the first fixed rotating wheel 10, and the two second fixed rotating wheels 15 are meshed with the forward driving plate 16 and the reverse driving plate 17 respectively.

[0045] A first sliding rod 12 is fixed to the lower end of the splint 6, and a second sliding rod 26 is fixed to the lower end of the top block 7. The first sliding rod 12 passes through the first threaded column 9 and the two are threadedly matched, so that when the first threaded column 9 rotates, the first sliding rod 12 can move left and right. The matching relationship between the second sliding rod 26 and the second threaded column 13 is the same as the matching relationship between the first sliding rod 12 and the first threaded column 9.

[0046] A driven wheel 25 is fixedly connected to the lower end of the turntable 8 , and a driving wheel 14 is provided on one side of the driven wheel 25 . The driven wheel 25 and the driving wheel 14 are connected for transmission via a transmission belt 18 .

[0047] As for how to drive the splint 6, the top block 7 and the turntable 8, the following technical solution is provided: edges 19 are provided on the surface of the driving belt 27 near both sides, a first rack 20 and a second rack 21 are provided on both sides of one edge 19, and a third rack 22 is provided on the upper end surface of the edge 19. The circular surfaces of the driving toothed disc 11 and the forward driving disc 16 are gears, and the lower end surface of the driving wheel 14 has a second annular tooth. The first rack 20 cooperates with the forward driving disc 16, the second rack 21 cooperates with the driving toothed disc 11, and the third rack 22 cooperates with the second annular tooth on the driving wheel 14.

[0048] A fourth rack 23 and a fifth rack 24 are respectively provided on two side surfaces of the other edge 19 . The fourth rack 23 cooperates with the shifting gear plate 11 , and the fifth rack 24 cooperates with the reverse driving plate 17 .

[0049] The edge 19 can be made of an iron sheet structure or other forms. When the edge 19 moves the splint 6, the top block 7, and the turntable 8, a limiting structure (a limiting groove or other form) can be set in the processing table 4 to fix the edge 19 to ensure that it can provide sufficient supporting force, thereby avoiding displacement when it is driven.

[0050] The processing table 4 is provided with two rotating wheels 5 , and the driving belt 27 is wound around the two rotating wheels 5 . The rotating wheels 5 can be driven by a motor.

[0051] It also includes a base 1 and a column 2 , the column 2 is fixed to the base 1 , the milling cutter assembly 3 is installed on the upper end of the column 2 , and the processing table 4 is installed on the side of the column 2 .

[0052] A method for using a milling machine for multi-sided workpiece processing, comprising the following steps:

[0053] Step 1: Place the workpiece on the processing table 4, with the lower end of the workpiece located on the turntable 8. Then, the rotating wheel 5 drives the shifting belt 27 to slide. The two clamping plates 6 can clamp and position both sides of the workpiece. The top block 7 can support one end of the workpiece to limit the position. The milling cutter assembly 3 processes the first end surface of the workpiece.

[0054] Step 2: After the first end surface of the workpiece is machined, the rotating wheel 5 continues to drive the shifting belt 27 to slide, and then the first rack 20 can engage with the forward drive disc 16 and the second rack 21 can engage with one side of the shifting gear disc 11, thereby causing the two clamping plates 6 and the top block 7 to move away from the workpiece;

[0055] Step 3: When the clamping plate 6 and the top block 7 are away from the workpiece to the extreme position, the third rack 22 can mesh with the driving wheel 14 to rotate, causing the driving wheel 14 to rotate. The driving wheel 14 drives the driven wheel 25 to rotate through the transmission belt 18, thereby causing the turntable 8 to drive the workpiece to rotate. After the turntable 8 stops rotating, the second end surface of the workpiece can engage with the milling cutter assembly 3.

[0056] In step 4, as the driving belt 27 continues to slide, the fourth rack 23 engages with the other side of the driving gear plate 11, causing the driving gear plate 11 to rotate in the opposite direction to that in step 2. The fifth rack 24 cooperates with the reverse drive plate 17, causing the top block 7 to move in the opposite direction to that in step 2, so that the two clamping plates 6 and the top block 7 fix the position of the workpiece again, and then the milling cutter assembly 3 processes the second end surface of the workpiece;

[0057] Step 5: Repeat the operations of step 3 and step 4 until all end faces of the workpiece are processed, and then remove the processed workpiece from the processing table 4.

[0058] The second step comprises the following steps:

[0059] Step 201: When the first rack 20 drives the forward drive disk 16, the forward drive disk 16 can move one of the second fixed wheels 15. The second fixed wheel 15 is fixed to the second threaded column 13. At this time, the second threaded column 13 rotates, and the top block 7 is threadedly engaged with the second threaded column 13, so that the top block 7 moves away from the workpiece.

[0060] In step 202, when the second rack 21 is engaged with one side of the shifting toothed disc 11, the upper end surface of the shifting toothed disc 11 is engaged with the first fixed rotating wheel 10, causing the first threaded column 9 to rotate. The first threaded column 9 is threadedly engaged with the clamping plate 6, causing the clamping plate 6 to move away from the workpiece.

[0061] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0062] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A milling machine for multi-faceted workpiece processing, comprising a milling cutter assembly (3) and a processing table (4), wherein the processing table (4) is located below the milling cutter assembly (3), and is characterized in that: The processing table (4) has clamping plates (6) arranged opposite to each other, and a top block (7) is provided between the two clamping plates (6). The two clamping plates (6) can move closer to or farther away from each other, and the top block (7) can move forward and backward. A first threaded column (9) and a second threaded column (13) are provided in the processing table (4); two clamping plates (6) are both mounted on the first threaded column (9), and the clamping plates (6) and the first threaded column (9) are threadedly matched; the two clamping plates (6) have threaded blind holes, and the threads in the two threaded blind holes have opposite rotation directions; the top block (7) is mounted on the second threaded column (13), and the two are threadedly matched; The two clamping plates (6) and the top block (7) can respectively support three sides of the workpiece, and the milling cutter can process the other side of the workpiece. The two clamping plates (6) and the top block (7) can synchronously move away from the workpiece or approach the workpiece. A rotatable turntable (8) is also provided on the processing table (4), the lower end of the workpiece is located on the turntable (8), and the turntable (8) is rotatable.

2. A milling machine for multi-surface machining of a workpiece according to claim 1, characterized in that: A first fixed rotating wheel (10) is fixedly connected to the first threaded column (9), and a rotatable shifting toothed disk (11) is provided in the processing table (4). When the shifting toothed disk (11) rotates, the first fixed rotating wheel (10) can rotate accordingly. Two second fixed rotating wheels (15) are fixedly connected to the second threaded column (13), a forward driving disk (16) is provided below one of the second fixed rotating wheels (15), and a reverse driving disk (17) is provided below the other second fixed rotating wheel (15). The surfaces of the first fixed rotating wheel (10) and the two second fixed rotating wheels (15) are gear structures. The upper end surfaces of the shifting toothed disk (11), the forward driving disk (16) and the reverse driving disk (17) are all provided with first annular teeth. The shifting toothed disk (11) is meshed with the first fixed rotating wheel (10), and the two second fixed rotating wheels (15) are meshed with the forward driving disk (16) and the reverse driving disk (17) respectively.

3. A milling machine for multi-surface machining of a workpiece according to claim 2, characterized in that: A driven wheel (25) is fixedly connected to the lower end of the turntable (8), and a driving wheel (14) is arranged on one side of the driven wheel (25). The driven wheel (25) and the driving wheel (14) are connected for transmission via a transmission belt (18).

4. A milling machine for multi-surface machining of a workpiece according to claim 3, characterized in that: The surface of the driving belt (27) is provided with edges (19) at positions near both sides, and a first rack (20) and a second rack (21) are provided on both sides of one edge (19), and a third rack (22) is provided on the upper end surface of the edge (19). The circular surfaces of the driving toothed disc (11) and the forward driving disc (16) are gears, and the lower end surface of the driving wheel (14) is provided with a second annular tooth. The first rack (20) cooperates with the forward driving disc (16), the second rack (21) cooperates with the driving toothed disc (11), and the third rack (22) cooperates with the second annular tooth on the driving wheel (14); The two side surfaces of the other edge (19) are respectively provided with a fourth rack (23) and a fifth rack (24), the fourth rack (23) cooperates with the shifting toothed disc (11), and the fifth rack (24) cooperates with the reverse driving disc (17).

5. The milling machine for multi-surface machining of a workpiece according to claim 1, characterized in that: Two rotating wheels (5) are provided on the processing table (4), and a driving belt (27) is wound around the two rotating wheels (5).

6. The milling machine for multi-surface machining of a workpiece according to claim 1, characterized in that: It also includes a base (1) and a column (2), wherein the column (2) is fixedly connected to the base (1), the milling cutter assembly (3) is installed at the upper end of the column (2), and the processing table (4) is installed on the side of the column (2).

7. A method for using a milling machine for multi-surface machining of a workpiece, characterized in that: The following steps are involved: Step 1: Place the workpiece on the processing table (4), with the lower end of the workpiece located on the turntable (8), and then the rotating wheel (5) drives the shifting belt (27) to slide, and the two clamping plates (6) can clamp and position both sides of the workpiece, and the top block (7) can support one end of the workpiece to limit the position, and the milling cutter assembly (3) processes the first end surface of the workpiece; Step 2: After the first end surface of the workpiece is processed, the rotating wheel (5) continues to drive the shifting belt (27) to slide, and then the first rack (20) can be engaged with the forward driving disk (16), and the second rack (21) can be engaged with one side of the shifting toothed disk (11), so that the two clamping plates (6) and the top block (7) move in a direction away from the workpiece; Step three, when the clamping plate (6) and the top block (7) are away from the workpiece to the extreme position, the third rack (22) can be meshed with the driving wheel (14) to transmit the drive, so that the driving wheel (14) rotates, and the driving wheel (14) drives the driven wheel (25) to rotate through the transmission belt (18), thereby causing the turntable (8) to drive the workpiece to rotate, and after the turntable (8) stops rotating, the second end face of the workpiece can cooperate with the milling cutter assembly (3); Step 4: As the shifting belt (27) continues to slide, the fourth rack (23) engages with the other side of the shifting toothed disc (11), causing the shifting toothed disc (11) to rotate in the opposite direction to that in step 2, and the fifth rack (24) cooperates with the reverse driving disc (17), causing the top block (7) to move in the opposite direction to that in step 2, so that the two clamping plates (6) and the top block (7) fix the position of the workpiece again, and then the milling cutter assembly (3) processes the second end face of the workpiece; Step 5: Repeat the operations of step 3 and step 4 until all the end faces of the workpiece are processed, and then remove the processed workpiece from the processing table (4).

8. The method for using a milling machine for multi-surface machining of a workpiece according to claim 7, characterized in that: The second step comprises the following steps: Step 201, when the first rack (20) drives the forward driving disk (16), the forward driving disk (16) can shift one of the second fixed wheels (15), and the second fixed wheel (15) is fixed to the second threaded column (13). At this time, the second threaded column (13) rotates, and the top block (7) and the second threaded column (13) are threadedly engaged, so that the top block (7) moves in a direction away from the workpiece; In step 202, when the second rack (21) is meshed with one side of the shifting toothed disc (11), the upper end surface of the shifting toothed disc (11) is meshed with the first fixed rotating wheel (10), thereby causing the first threaded column (9) to rotate, and the first threaded column (9) is threadedly engaged with the clamping plate (6), thereby causing the clamping plate (6) to move in a direction away from the workpiece.

Images