Feeding mechanism for workpiece machining

Abstract

The utility model discloses a feeding mechanism for workpiece machining. The feeding mechanism comprises a supporting column, a driving mechanism and a clamping and positioning mechanism. The supporting column is installed on the machine tool, the driving mechanism is arranged on the supporting column, and the clamping and positioning mechanism is arranged on the driving mechanism and comprises a mechanical claw, a driving motor and a positioning plate. After a shaft workpiece to be machined is placed on the mechanical claw, one side face of the positioning plate serves as a datum plane, the end face of the workpiece is positioned, then the workpiece is clamped through the mechanical claw, and the driving mechanism drives the workpiece and sends the workpiece to a designated position of a machine tool. According to the feeding mechanism for workpiece machining, through clamping and positioning of the mechanical claw and the positioning plate, shaft workpieces can be fed to the designated axis of a machine tool, the relative positions of the end faces of the workpieces and the machine tool can be fixed, the feeding precision is improved, and the workpieces can be conveniently fixed by a fixing mechanism of the machine tool.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece processing, in particular to a feeding mechanism for workpiece processing. Background Art

[0002] In the process of machining mechanical workpieces, a feeding mechanism is needed to push the workpieces to be processed. There are various ways to process workpieces, including turning, milling, planing, grinding, etc. When using machine tools to process shaft workpieces, they are fed into the machine tool through a feeding mechanism, and the mechanism inside the machine tool that holds, clamps or fixes the workpiece is responsible for fixing the workpiece for machine tool processing. Therefore, when feeding the workpiece into the machine tool, it needs to be accurately sent to the specified position.

[0003] The existing feeding mechanism for machining shaft-type workpieces on machine tools mainly clamps the shaft-type workpieces through the mechanical claws of the feeding mechanism and feeds the workpieces into the machine tool. When the mechanical claws clamp the shaft-type workpieces, they generally clamp the circumferential surface of the workpieces, so that when the workpieces are fed into the machine tool, the axis of the workpieces can be fed to the predetermined axis. However, the relative positions of the two end faces of the workpieces and the machine tool lack positioning points, resulting in the relative positions of the end faces of the workpieces fed into the machine tool and the machine tool being not fixed, which in turn leads to low feeding accuracy of the feeding mechanism. Therefore, a feeding mechanism for workpiece machining is proposed. Utility Model Content

[0004] The utility model aims to provide a feeding mechanism for processing workpieces, so as to solve the problem of low feeding accuracy of the feeding mechanism for processing shaft workpieces in existing machine tools.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A feeding mechanism for workpiece processing, comprising:

[0007] A support column, one end of which is fixed by a mounting seat;

[0008] The driving mechanism includes a Y-axis moving assembly disposed on the other end of the support column, an X-axis moving assembly disposed on the moving end of the Y-axis moving assembly, and a Z-axis moving assembly disposed on the moving end of the X-axis moving assembly;

[0009] A clamping and positioning mechanism is arranged at the lower end of the Z-axis moving assembly. The clamping and positioning mechanism includes a mechanical claw and a driving motor. A positioning plate is provided at one end of the mechanical claw. The positioning plate is fixed on the output shaft of the driving motor so that one end of the positioning plate can be rotated to one side of the mechanical claw.

[0010] Optionally, the clamping and positioning mechanism also includes a connecting block and a mounting plate, the connecting block is arranged at the lower end of the Z-axis moving assembly, one end of the mounting plate is installed on both sides of the connecting block, and the mechanical claw is installed on the connecting block through the mounting plate.

[0011] Optionally, a telescopic cylinder is provided on the mounting plate, a telescopic end of the telescopic cylinder is fixedly connected to a connecting plate, and the driving motor is provided on the connecting plate.

[0012] Optionally, an annular limiting hole is provided on the positioning plate, and the telescopic rod of the telescopic cylinder passes through the limiting hole. When the telescopic rod is located at one end of the limiting hole, one end of the positioning plate is located on one side of the mechanical claw; when the telescopic rod is located at the other end of the limiting hole, the length direction of the positioning plate is in the Z-axis direction.

[0013] Optionally, the Y-axis moving assembly includes a Y-axis support plate arranged on the support column, a first guide rail and a first rack are arranged on the Y-axis support plate, a first drive box is arranged on the first guide rail, a first motor is arranged in the first drive box, and an output shaft of the first motor is meshingly connected with the first rack.

[0014] Optionally, the X-axis moving assembly includes an X-axis support plate arranged on one side of the first drive box, a second guide rail and a second rack are arranged on the X-axis support plate, a second motor is also arranged in the first drive box, and an output shaft of the second motor is meshingly connected to the second rack.

[0015] Optionally, the Z-axis moving assembly includes a second drive box arranged on one side of the X-axis support plate and a Z-axis support plate passing through the second drive box, a third guide rail and a third rack are arranged on the Z-axis support plate, a third motor is arranged on the second drive box, and the output shaft of the third motor is meshingly connected with the third rack.

[0016] Optionally, the first guide rail and the second guide rail are both slidably connected to the first drive box via a slider, and the third guide rail is slidably connected to the second drive box via a slider.

[0017] Optionally, an operation panel is provided at one end of the Y-axis moving component.

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

[0019] 1. Install the feeding mechanism on the machine tool through the mounting seat. Before feeding, first move the mechanical claw to the outside of the machine tool, rotate the motor to make the positioning plate away from the mechanical claw, then place the shaft workpiece to be processed on the mechanical claw and rotate the positioning plate, so that the positioning plate rotates to one side of the mechanical claw, push the workpiece, make one end face of the workpiece fit on the positioning plate, then clamp the workpiece through the mechanical claw to complete the end face positioning of the workpiece, and then rotate the motor to make the positioning plate away from the mechanical claw to avoid the positioning plate affecting the fixing mechanism of the machine tool to fix the workpiece after the workpiece is sent to the specified position of the machine tool, and finally drive the workpiece by the driving mechanism and send it to the specified position of the machine tool. Compared with the existing feeding mechanism for machining shaft workpieces on the machine tool, the feeding mechanism for workpiece processing provided by the utility model uses one side of the positioning plate as the reference surface to position the end face of the workpiece, which can not only send the shaft workpiece to the specified axis of the machine tool, but also fix the relative position between the end face of the workpiece and the machine tool, thereby improving the feeding accuracy so that the fixing mechanism of the machine tool can fix the workpiece.

[0020] 2. The feeding mechanism for workpiece processing provided by the utility model realizes the movement of the workpiece on the X, Y and Z axes through the X-axis moving assembly, Y-axis moving assembly and Z-axis moving assembly on the driving mechanism, so as to drive the movement of the workpiece. At the same time, the X-axis moving assembly, Y-axis moving assembly and Z-axis moving assembly are all driven by a motor combined with a rack, which improves the stability of the workpiece when it moves on the X, Y and Z axes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0023] Figure 1 It is a structural schematic diagram of the feeding mechanism for workpiece processing of the utility model installed on a machine tool;

[0024] Figure 2 It is a front view three-dimensional structural schematic diagram of the feeding mechanism for workpiece processing of the utility model;

[0025] Figure 3 It is a rear perspective structural schematic diagram of the feeding mechanism for workpiece processing of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the clamping and positioning mechanism of the utility model.

[0027] Illustrations: 10. Support column; 11. Mounting seat; 20. Driving mechanism; 21. Y-axis moving assembly; 211. Y-axis supporting plate; 212. First guide rail; 213. First rack; 214. First driving box; 22. X-axis moving assembly; 221. X-axis supporting plate; 222. Second guide rail; 223. Second rack; 224. Second motor; 23. Z-axis moving assembly; 231. Second driving box; 232. Z-axis supporting plate; 233. Third guide rail; 234. Third rack; 235. Third motor; 30. Clamping and positioning mechanism; 31. Mechanical claw; 32. Driving motor; 33. Positioning plate; 34. Connecting block; 35. Mounting plate; 36. Telescopic cylinder; 37. Connecting plate; 38. Limiting hole; 40. Operation panel; 100. Machine tool; 200. Workpiece. DETAILED DESCRIPTION

[0028] In order to make the purpose, features and advantages of the invention of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0030] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0031] Reference Figures 1 to 4The embodiment of the utility model provides a feeding mechanism for workpiece processing, comprising a support column 10, a driving mechanism 20 and a clamping and positioning mechanism 30. A mounting seat 11 is provided at one end of the support column 10, and the support column 10 is mounted on one side of a machine tool 100 through the mounting seat 11, so as to transport the workpiece 200 to the inside of the machine tool 100. The driving mechanism 20 comprises a Y-axis moving assembly 21 provided on the other end of the support column 10, an X-axis moving assembly 22 provided on the Y-axis moving assembly 21, and a Z-axis moving assembly 23 provided on the X-axis moving assembly 22. The clamping and positioning mechanism 30 is provided at the lower end of the Z-axis moving assembly 23 for positioning and clamping the workpiece 200. Optionally, the axis of the support column 10 after installation is on the Z-axis, and the Y-axis direction is perpendicular to the front end face of the machine tool 100. An operation panel 40 is provided at one end of the Y-axis moving assembly 21, so that the operator can operate the feeding mechanism.

[0032] Reference Figures 2 to 3 , the Y-axis moving assembly 21 includes a Y-axis support plate 211 disposed on the support column 10, and the Y-axis support plate 211 is fixedly connected to the support column 10. A first guide rail 212 and a first rack 213 are disposed on the Y-axis support plate 211, and a first drive box 214 is disposed on the first guide rail 212. The first drive box 214 is slidably connected to the first guide rail 212 through a slider. A first motor is disposed in the first drive box 214, and the output shaft of the first motor is meshedly connected to the first rack 213. Optionally, a gear is sleeved on the output shaft of the first motor, and the output shaft of the first motor is meshedly connected to the first rack 213 through a gear.

[0033] The X-axis moving assembly 22 includes an X-axis support plate 221 disposed on one side of the first drive box 214, and a second guide rail 222 and a second rack 223 are disposed on the X-axis support plate 221. The first drive box 214 is slidably connected to the second guide rail 222 through a slider, that is, the first gear box is slidably connected to the first guide rail 212 and the second guide rail 222 through a slider at the same time. A second motor 224 is also disposed in the first drive box 214, and the output shaft of the second motor 224 is meshedly connected to the second rack 223. Optionally, a gear is sleeved on the output shaft of the second motor 224, and the output shaft of the second motor 224 is meshedly connected to the second rack 223 through a gear.

[0034] The Z-axis moving assembly 23 includes a second drive box 231 disposed on one side of the X-axis support plate 221 and a Z-axis support plate 232 penetrating the second drive box 231. The Z-axis support plate 232 is provided with a third guide rail 233 and a third rack 234, and the second drive box 231 is provided with a third motor 235, and the output shaft of the third motor 235 is meshedly connected with the third rack 234. Optionally, a gear is sleeved on the output shaft of the third motor 235, and the output shaft of the third motor 235 is meshedly connected with the third rack 234 through a gear. The second drive box 231 is slidably connected with the third guide rail 233 through a slider.

[0035] Specifically, when it is necessary to drive the workpiece 200 to move on the Y-axis, the first motor is started. Since the Y-axis support plate 211 is fixed, as the output shaft of the first motor rotates, the first drive box 214 is driven to move in the Y-axis direction, thereby driving the workpiece 200 to move in the Y-axis direction; when it is necessary to drive the workpiece 200 to move on the X-axis, the second motor 224 is started. Since the first drive box 214 cannot move in the X-axis direction, as the output shaft of the second motor 224 rotates, the X-axis support plate 221 is driven to move in the X-axis direction, thereby driving the workpiece 200 to move in the X-axis direction; when it is necessary to drive the workpiece 200 to move on the Z-axis, the third motor 235 is started. Since the X-axis support plate 221 cannot move in the Z-axis direction, as the output shaft of the third motor 235 rotates, the Z-axis support plate 232 is driven to move in the Z-axis direction, thereby driving the workpiece 200 to move in the Z-axis direction.

[0036] The workpiece processing feeding mechanism provided by the utility model realizes the movement of the workpiece 200 on the X, Y and Z axes through the X-axis moving assembly 22, the Y-axis moving assembly 21 and the Z-axis moving assembly 23 on the driving mechanism 20, so as to drive the movement of the workpiece 200. At the same time, the X-axis moving assembly 22, the Y-axis moving assembly 21 and the Z-axis moving assembly 23 are all driven by a motor combined with a rack, which improves the stability of the workpiece 200 when moving on the X, Y and Z axes.

[0037] Reference Figure 4The clamping and positioning mechanism 30 includes a connecting block 34, a mounting plate 35 and a mechanical claw 31. The connecting block 34 is arranged at the lower end of the Z-axis moving assembly 23 and is fixedly connected to the Z-axis support plate 232. There are two mounting plates 35, and one end of the mounting plate 35 is installed on both sides of the connecting block 34. The driving assembly of the mechanical claw 31 is installed between the two mounting plates 35. The clamping claw of the mechanical claw 31 is exposed outside the mounting plate 35 so as to clamp the workpiece 200, that is, the mechanical claw 31 is installed on the connecting block 34 through the mounting plate 35. A telescopic cylinder 36 is arranged between the two mounting plates 35, and the telescopic rod of the telescopic cylinder 36 passes through the mounting plate 35 and is exposed outside the mounting plate 35. The telescopic end of the telescopic cylinder 36 is fixedly connected to a connecting plate 37, and the driving motor 32 is arranged on the connecting plate 37. A positioning plate 33 is provided on the output shaft of the driving motor 32, that is, the positioning plate 33 is provided at one end of the mechanical claw 31 through the driving motor 32 and the telescopic cylinder 36, and under the rotation of the output shaft of the driving motor 32, one end of the positioning plate 33 can be rotated to one side of the mechanical claw 31.

[0038] The positioning plate 33 is provided with an annular limiting hole 38. Optionally, the limiting hole 38 is a quarter annular hole. The telescopic rod of the telescopic cylinder 36 penetrates the limiting hole 38. When the telescopic rod is located at one end of the limiting hole 38, one end of the positioning plate 33 is located at one side of the mechanical claw 31; when the telescopic rod is located at the other end of the limiting hole 38, the length direction of the positioning plate 33 is in the Z-axis direction. That is, when it is necessary to limit the end face of the workpiece 200, the distance between the positioning plate 33 and the mechanical claw 31 is adjusted by the telescopic cylinder 36, and the positioning plate 33 is rotated to one side of the mechanical claw 31 by the driving motor 32 so as to position the end face of the workpiece 200; when the positioning is completed and the mechanical claw 31 clamps the workpiece 200, the positioning plate 33 is rotated to the side away from the mechanical claw 31 by the driving motor 32 to avoid the positioning plate 33 affecting the fixing mechanism of the machine tool 100 to fix the workpiece 200 after the workpiece 200 is sent to the specified position of the machine tool 100.

[0039] The utility model patent discloses a feeding mechanism for workpiece processing. The specific implementation method is as follows: the feeding mechanism is installed on the machine tool 100 through the mounting seat 11. Before feeding, the mechanical claw 31 is first moved to the outside of the machine tool 100, and the positioning plate 33 is moved away from the mechanical claw 31 by the rotation of the motor. Then, the shaft workpiece 200 to be processed is placed on the mechanical claw 31 and the positioning plate 33 is rotated to rotate the positioning plate 33 to one side of the mechanical claw 31, and the workpiece 200 is pushed so that one end face of the workpiece 200 is attached to the positioning plate 33. Then, the workpiece 200 is clamped by the mechanical claw 31 to complete the end face positioning of the workpiece 200. Then, the positioning plate 33 is moved away from the mechanical claw 31 by the rotation of the motor to avoid that after the workpiece 200 is sent to the specified position of the machine tool 100, the positioning plate 33 affects the fixing mechanism of the machine tool 100 to fix the workpiece 200. Finally, the driving mechanism 20 drives the workpiece 200 and sends it to the specified position of the machine tool 100. Compared with the feeding mechanism used by the existing machine tool 100 to process shaft-type workpieces 200, the feeding mechanism for workpiece processing provided by the utility model uses one side surface of the positioning plate 33 as a reference surface to position the end face of the workpiece 200. It can not only feed the shaft-type workpiece 200 into the specified axis of the machine tool 100, but also fix the relative position of the end face of the workpiece 200 and the machine tool 100, thereby improving the feeding accuracy so that the fixing mechanism of the machine tool 100 can fix the workpiece 200.

[0040] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A feeding mechanism for workpiece processing, characterized in that: include: A support column (10), one end of the support column (10) being fixed by a mounting seat (11); A driving mechanism (20) comprising a Y-axis moving assembly (21) arranged on the other end of the support column (10), an X-axis moving assembly (22) arranged on the moving end of the Y-axis moving assembly (21), and a Z-axis moving assembly (23) arranged on the moving end of the X-axis moving assembly (22); A clamping and positioning mechanism (30) is arranged at the lower end of the Z-axis moving component (23), and the clamping and positioning mechanism (30) comprises a mechanical claw (31) and a drive motor (32). A positioning plate (33) is arranged at one end of the mechanical claw (31), and the positioning plate (33) is fixed on the output shaft of the drive motor (32) so that one end of the positioning plate (33) can rotate to one side of the mechanical claw (31).

2. The feeding mechanism for workpiece processing according to claim 1, characterized in that: The clamping and positioning mechanism (30) further comprises a connecting block (34) and a mounting plate (35), wherein the connecting block (34) is arranged at the lower end of the Z-axis moving assembly (23), one end of the mounting plate (35) is mounted on both sides of the connecting block (34), and the mechanical claw (31) is mounted on the connecting block (34) via the mounting plate (35).

3. The feeding mechanism for workpiece processing according to claim 2, characterized in that: A telescopic cylinder (36) is provided on the mounting plate (35); a telescopic end of the telescopic cylinder (36) is fixedly connected to a connecting plate (37); and the drive motor (32) is provided on the connecting plate (37).

4. The feeding mechanism for workpiece processing according to claim 3, characterized in that: The positioning plate (33) is provided with an annular limiting hole (38), and the telescopic rod of the telescopic cylinder (36) passes through the limiting hole (38). When the telescopic rod is located at one end of the limiting hole (38), one end of the positioning plate (33) is located at one side of the mechanical claw (31); when the telescopic rod is located at the other end of the limiting hole (38), the length direction of the positioning plate (33) is in the Z-axis direction.

5. The feeding mechanism for workpiece processing according to claim 1, characterized in that: The Y-axis moving assembly (21) comprises a Y-axis support plate (211) arranged on the support column (10); a first guide rail (212) and a first rack (213) are arranged on the Y-axis support plate (211); a first drive box (214) is arranged on the first guide rail (212); a first motor is arranged in the first drive box (214); and an output shaft of the first motor is meshingly connected to the first rack (213).

6. The feeding mechanism for workpiece processing according to claim 5, characterized in that: The X-axis moving assembly (22) comprises an X-axis support plate (221) arranged on one side of the first drive box (214); a second guide rail (222) and a second rack (223) are arranged on the X-axis support plate (221); a second motor (224) is also arranged in the first drive box (214); an output shaft of the second motor (224) is meshingly connected to the second rack (223).

7. The feeding mechanism for workpiece processing according to claim 6, characterized in that: The Z-axis moving assembly (23) comprises a second drive box (231) arranged on one side of the X-axis support plate (221) and a Z-axis support plate (232) penetrating the second drive box (231); a third guide rail (233) and a third rack (234) are arranged on the Z-axis support plate (232); a third motor (235) is arranged on the second drive box (231); an output shaft of the third motor (235) is meshingly connected with the third rack (234).

8. The feeding mechanism for workpiece processing according to claim 7, characterized in that: The first guide rail (212) and the second guide rail (222) are both slidably connected to the first drive box (214) via a slider, and the third guide rail (233) is slidably connected to the second drive box (231) via a slider.

9. The feeding mechanism for workpiece processing according to claim 1, characterized in that: An operation panel (40) is provided at one end of the Y-axis moving component (21).

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