Automatic slot milling machine

Abstract

The utility model discloses an automatic slot milling machine, which belongs to the technical field of shaft non-standard processing machinery and mainly comprises a storage bin, a deviation rectifying device and a milling machine, the storage bin is used for storing blanks, the top of the storage bin is open, a feeder is arranged on the front side of the storage bin, an inclined plane inclined towards the feeder is arranged at the bottom of the storage bin, and the milling machine is arranged on the deviation rectifying device. Blanks in the storage bin can move to the position of the feeder along the inclined face, the blanks are moved to the deviation rectifying device through the feeder, the bottom of the deviation rectifying device is installed on the material moving mechanism, the deviation rectifying device can be driven to move within the plane range through the material moving mechanism, and therefore after the blanks enter the deviation rectifying device, the blanks can be guided into the milling machine, and the milling machine can be used for milling the blanks. And the deviation rectifying device is suitable for moving between the feeder and the milling machine and used for grabbing and straightening the workpieces, has the characteristics of simplicity in operation, convenience in use and firm structure, can guarantee the machining precision, and solves the problems of large-batch production of shaft parts and overhigh cost of a machine tool.

Description

Technical Field

[0001] The utility model relates to the technical field of non-standard shaft processing machinery, in particular to an automatic slot milling machine. Background Art

[0002] In the field of machining, parts of mechanical products are usually processed by machine tools. Machine tools are machines that manufacture machines. However, for some standard products with relatively large usage, due to their simple structure and low production threshold, the unit price is often low, and the use of machine tools cannot control costs. Therefore, it is necessary to produce non-standard equipment according to the structural characteristics of the products, so that common products can be produced in batches and the cost of the products can be reduced.

[0003] Specifically, in this application, the shaft parts to be processed have a hexagonal prism structure at the tail end, and a groove needs to be processed at the head end, and the bottom surface of the groove must be parallel to any side surface of the hexagonal prism.

[0004] In order to process such shaft parts in large quantities, the applicant developed a special non-standard equipment and applied for a patent for it. Utility Model Content

[0005] To this end, the utility model provides an automatic slot milling machine to solve the problem of large-scale and low-cost production of shaft parts in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] The utility model discloses an automatic slot milling machine, comprising:

[0008] The storage bin is open at the top and has a loader on the front;

[0009] A deviation-correcting device, the bottom of which is mounted on the material-moving mechanism, and the material-moving mechanism is suitable for driving the deviation-correcting device to move within a plane;

[0010] A limit device is provided directly above the milling machine, and the limit device is installed on an elevator, and the elevator is suitable for driving the limit device to move up and down;

[0011] The deviation-correcting device is adapted to move between the loader and the milling machine for grabbing and straightening the workpiece.

[0012] Furthermore, the correction device includes:

[0013] A pusher, with the loader installed on the side, and a correction chuck is provided in front of the pusher;

[0014] The correction mechanism is fixedly mounted behind the material-returning mechanism and is coaxially connected to the correction chuck and is suitable for driving the correction chuck to rotate;

[0015] The telescopic rod has a tail end that is transmission-connected to the material-returning mechanism. The telescopic rod is suitable for passing through the correction chuck to perform telescopic movement. The head end of the telescopic rod is provided with an industrial camera for detecting the workpiece.

[0016] Furthermore, the pusher includes:

[0017] The lifting cylinder is connected to the feeding trough at the top and drives the feeding trough to move up and down;

[0018] A pushing cylinder is provided along the length direction of the feed trough and is suitable for pushing the workpiece in the feed trough;

[0019] Wherein, a row of mounting holes is horizontally provided on the feeding trough, and the lifting cylinder is installed at any position of the row of mounting holes.

[0020] Furthermore, the correction mechanism includes:

[0021] Adjust the rack, the end of which is connected to the servo cylinder;

[0022] A correction gear is rotatably mounted on the frame and is coaxially connected to the correction chuck;

[0023] Wherein, the center hole of the deviation-correcting gear is connected to the correction chuck, and the center hole is suitable for passing the telescopic rod.

[0024] Furthermore, the correction chuck includes a disc body, a hexagonal hole and a bell mouth. The tail of the disc body is provided with a hexagonal hole and the head end is provided with a bell mouth. The bell mouth is connected to the correction mechanism through the hexagonal hole. The correction mechanism is coaxially connected to the disc body.

[0025] Furthermore, the loader includes:

[0026] A lifting device, the telescopic end of which is connected to a loading slider, the loading slider is vertically arranged on the storage bin and is suitable for ejecting the workpieces in the storage bin upwards;

[0027] A connecting slope, the upper end of which is connected to the storage bin, the lower end of which is connected to the deviation-correcting device, and the bottom of which is provided with an ejection device;

[0028] Wherein, the ejection device is suitable for pushing the workpiece on the connecting inclined surface into the deviation correcting device.

[0029] Furthermore, the milling machine comprises:

[0030] The motor and the spindle are drivingly connected to the milling cutter, and the milling cutter is installed on the tool holder;

[0031] The base is connected to the tool holder on one side and is provided with a movable top on the other side. A V-shaped block is provided in the middle of the base.

[0032] Furthermore, the limiting device includes a pressure block, a first limiting cylinder and a second limiting cylinder. The elevator is connected to the pressure block and drives the pressure block to move up and down. The first limiting cylinder and the second limiting cylinder are arranged in parallel on the pressure block. The first limiting cylinder and the second limiting cylinder are both aligned with the milling machine.

[0033] Furthermore, the material moving mechanism includes a first translation device, a second translation device and a connecting slider. The first translation device and the second translation device are arranged orthogonally, and the second translation device is connected to the first translation device through the connecting slider.

[0034] The utility model has the following advantages:

[0035] The automatic slot milling machine disclosed in the utility model is mainly used for slotting shaft parts, and the bottom of the slot must be parallel to the side surface of the hexagonal prism at the end of the shaft. Obviously, processing the workpiece requires high form and position tolerances. Compared with the existing technology that fixes with a clamp and uses a machine tool for processing, the present equipment does not need to set up tooling to process and produce the parts. It only needs to directly input the blank to produce the parts in large quantities. While ensuring accuracy, it effectively saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0037] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0038] Figure 1 A three-dimensional diagram of the automatic slot milling machine provided by the utility model;

[0039] Figure 2 A three-dimensional diagram of the pusher provided by the utility model;

[0040] Figure 3 A three-dimensional diagram of the loader provided by the utility model;

[0041] Figure 4A three-dimensional diagram of the limiting device provided by the utility model;

[0042] Figure 5 A three-dimensional diagram of the deviation-correcting device provided by the present utility model;

[0043] Figure 6 A three-dimensional diagram of the milling machine provided by the utility model;

[0044] Figure 7 A three-dimensional diagram of the workpiece to be processed provided by the present utility model;

[0045] Figure 8 A three-dimensional diagram of the correction chuck provided by the utility model;

[0046] In the figure: 1 storage bin; 2 loader; 21 lifting device; 22 feeding slide; 23 connecting inclined plane; 24 ejecting device; 3 correction device; 31 pusher; 311 lifting cylinder; 312 feeding trough; 313 mounting hole; 314 pushing cylinder; 32 correction chuck; 321 plate body; 322 hexagonal hole; 323 bell mouth; 33 correction mechanism; 331 adjusting rack; 332 correction gear; 333 frame; 34 material return mechanism; 35 telescopic rod; 4 material moving mechanism; 41 first translation device; 42 second translation device; 43 connecting slide; 5 milling machine; 51 motor; 52 milling cutter; 53 base; 56 tool holder; 55 center; 54 V-block; 6 elevator; 7 limit device; 71 pressure block; 72 first limit cylinder; 73 second limit cylinder. DETAILED DESCRIPTION

[0047] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0048] Please refer to Figures 1-8 The utility model discloses an automatic slot milling machine for slotting shaft parts, wherein Figure 7 The part requires that the bottom surface of the slot is parallel to any one of the hexagonal faces of the shaft end. The specific structure and use of the device will be described in the form of an embodiment, as follows:

[0049] In the specific embodiment disclosed in the present utility model, Figure 1The structure of the automatic slot milling machine includes a storage bin 1, a correction device 3 and a milling machine 5. The storage bin 1 is used to store blanks, and its top is open. A loader 2 is provided on the front side of the storage bin 1, and a slope inclined toward the loader 2 is provided at the bottom of the storage bin 1. The blanks in the storage bin 1 can be moved along the slope to the position of the loader 2, and the blanks can be moved to the correction device 3 through the loader 2.

[0050] In this embodiment, the bottom of the correction device 3 is installed on the material moving mechanism 4, and the material moving mechanism 4 can drive the correction device 3 to move within the plane range. Therefore, when the blank enters the correction device 3, the correction device 3 can guide the blank into the milling machine 5. In addition, the correction device 3 can also move between the loader 2 and the milling machine 5 to grab and straighten the workpiece. A limiting device 7 is provided directly above the milling machine 5. The limiting device 7 is installed on the elevator 6. The elevator 6 is suitable for driving the limiting device 7 to move up and down. The elevator 6 is a cylinder or motor screw structure. The elevator 6 drives the limiting device 7 to move downward to clamp the workpiece in place, thereby preventing the workpiece from loosening and deviating when the milling machine 5 processes the workpiece. Further, as Figure 5 The material moving mechanism 4 includes a first translation device 41, a second translation device 42 and a connecting slider 43. The first translation device 41 and the second translation device 42 have the same structure as a cylinder or a motor screw, and the first translation device 41 and the second translation device 42 are arranged orthogonally, and the second translation device 42 is connected to the first translation device 41 through the connecting slider 43. Therefore, the material moving mechanism 4 can drive the correction device 3 to move in the plane range.

[0051] Based on the previous embodiment, specifically, Figure 2 The structure of the correction device 3 includes a pusher 31, a correction mechanism 33, and a telescopic rod 35. The loader 2 is installed on the side of the pusher 31. The pusher 31 is used to receive the blank and push the blank into the correction chuck 32 arranged in front of the pusher 31. In this embodiment, the correction mechanism 33 is connected to the correction chuck 32 and has a coaxial transmission. Specifically, the correction mechanism 33 is fixedly mounted behind the material return mechanism 34 and is coaxially connected to the correction chuck 32, and is suitable for driving the correction chuck 32 to rotate. The material return mechanism 34 is in transmission connection with the tail end of the telescopic rod 35, and the telescopic rod 35 passes through the correction chuck 32 to perform telescopic movement.

[0052] In some embodiments, as Figure 5 The correction chuck 32 includes a disc body 321, a hexagonal hole 322 and a bell mouth 323. The disc body 321 is provided with a hexagonal hole 322 at the tail and a bell mouth 323 at the head. The bell mouth 323 is connected to the correction mechanism 33 through the hexagonal hole 322. The bell mouth 323 opens outward to facilitate the entry of the workpiece. The correction mechanism 33 is coaxially connected to the disc body 321. In this embodiment, Figure 8An industrial camera for detecting the workpiece is provided at the head end of the telescopic rod 35. The industrial camera can observe the position of the hexagonal prism of the workpiece through the hexagonal hole 322 and the trumpet mouth 323, and correct the position of the hexagonal hole 322 and the workpiece by controlling the correction mechanism 33 through machine vision so that the two remain consistent.

[0053] In this embodiment, if Figure 2 The correction mechanism 33 includes an adjustment rack 331 and a correction gear 332. The end of the adjustment rack 331 is connected to a servo cylinder, which can drive the adjustment rack 331 to telescopic movement. At the same time, the adjustment rack 331 is meshed with the correction gear 332 in a transmission connection. The correction gear 332 is rotatably mounted on the frame 333 and is coaxially connected to the correction chuck 32. The center hole of the correction gear 332 is connected to the correction chuck 32, and the center hole is suitable for passing the telescopic rod 35. Optionally, the correction mechanism 33 can be equipped with a servo motor or stepper motor with a hollow spindle, which can also achieve the effect of driving the correction chuck 32 to rotate.

[0054] In a specific embodiment disclosed in the present utility model, Figure 3 The loader 2 includes a lifting device 21 and a connecting slope 23. The telescopic end of the lifting device 21 is connected to a loading slide 22. The lifting device 21 is an oil cylinder or a pneumatic cylinder and is inverted on the side of the storage bin 1. The loading slide 22 is vertically arranged on the storage bin 1 and is suitable for ejecting the workpiece from the storage bin 1 upward through the lifting device 21. After the workpiece is ejected, since the upper end of the connecting slope 23 is connected to the storage bin 1 and the lower end is connected to the correcting device 3, the workpiece can slide onto the correcting device 3 through the connecting slope 23. The bottom of the connecting slope 23 is provided with an ejection device 24, thereby, the ejection device 24 is suitable for ejecting the workpiece on the connecting slope 23 into the correcting device 3.

[0055] In some embodiments, as Figure 2 The pusher 31 includes a lifting cylinder 311, a pushing cylinder 314 and a feeding trough 312, wherein the bottom of the feeding trough 312 is connected to the lifting cylinder 311, and the lifting cylinder 311 can drive the feeding trough 312 to move up and down, thereby adjusting the alignment of the feeding trough 312 with the correction chuck 32. In addition, a pushing cylinder 314 is provided at the end of the feeding trough 312, and the pushing cylinder 314 is arranged along the length direction of the feeding trough 312. The pushing cylinder 314 can be used to push the workpiece in the feeding trough 312 into the correction chuck 32. Furthermore, in order to adapt to the processing of shaft parts of different lengths, a row of mounting holes 313 is horizontally provided on the feeding trough 312, and the lifting cylinder 311 is installed at any position of the row of mounting holes 313, thereby feeding shaft parts of different lengths.

[0056] In some embodiments, as Figure 6The milling machine 5 includes a motor 51, a milling cutter 52 and a base 53. The milling cutter 52 is connected to the main shaft of the motor 51, thereby driving the milling cutter 52 to rotate. The milling cutter 52 is mounted on a tool holder 56. The tool holder 56 is connected to one side of the base 53. A movable top 55 is provided on the other side of the base 53. At the same time, a V-shaped block 54 is provided in the middle of the base 53. During processing, the elevator 6 drives the limiting device 7 to move up and down. The limiting device 7 includes a pressure block 71, a first limiting cylinder 72 and a second limiting cylinder 73. The elevator 6 is connected to the pressure block 71 and drives the pressure block 71 to move up and down. The first limiting cylinder 72 and the second limiting cylinder 73 are provided in parallel on the pressure block 71. The first limiting cylinder 72 and the second limiting cylinder 73 are both aligned with the milling machine 5. The pressing block 71 can limit the position of the workpiece on the V-shaped block 54, while the first limiting cylinder 72 and the second limiting cylinder 73 can further reinforce the workpiece to facilitate tool grooving.

[0057] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, such modifications or improvements, without departing from the spirit of the present invention, are within the scope of protection claimed herein.

Claims

1. An automatic slot milling machine, characterized in that: include: A storage bin (1) is open at the top and a loader (2) is provided at the front side; The deviation-correcting device (3) has its bottom portion mounted on a material-moving mechanism (4), and the material-moving mechanism (4) is adapted to drive the deviation-correcting device (3) to move within a plane; A limiting device (7) is provided directly above the milling machine (5), and the limiting device (7) is installed on an elevator (6), and the elevator (6) is suitable for driving the limiting device (7) to move up and down; The deviation-correcting device (3) is adapted to move between the loader (2) and the milling machine (5) and is used for grabbing and straightening the workpiece.

2. The automatic slot milling machine according to claim 1, characterized in that: The deviation correcting device (3) comprises: A pusher (31) is provided with the loader (2) on its side, and a correction chuck (32) is provided in front of the pusher (31); The deviation correction mechanism (33) is fixedly mounted behind the material withdrawal mechanism (34) and is coaxially connected to the correction chuck (32) and is suitable for driving the correction chuck (32) to rotate; The telescopic rod (35) has a rear end that is in transmission connection with the material-returning mechanism (34). The telescopic rod (35) is suitable for passing through the correction chuck (32) to perform telescopic movement. The front end of the telescopic rod (35) is provided with an industrial camera for detecting the workpiece.

3. The automatic slot milling machine according to claim 2, characterized in that: The pusher (31) comprises: The lifting cylinder (311) is connected to the feeding trough (312) at the top and drives the feeding trough (312) to move up and down; a pushing cylinder (314), arranged along the length direction of the feeding trough (312) and adapted to push the workpiece in the feeding trough (312); A row of mounting holes (313) is horizontally provided on the feed trough (312), and the lifting cylinder (311) is installed at any position of the row of mounting holes (313).

4. The automatic slot milling machine according to claim 2, characterized in that: The deviation-correcting mechanism (33) comprises: An adjusting rack (331), the end of which is connected to the servo cylinder; A correction gear (332) is rotatably mounted on the frame (333) and is coaxially connected to the correction chuck (32); The center hole of the deviation-correcting gear (332) is connected to the correction chuck (32), and the center hole is suitable for passing the telescopic rod (35).

5. The automatic slot milling machine according to claim 2, characterized in that: The correction chuck (32) comprises a disc body (321), a hexagonal hole (322) and a bell mouth (323). The disc body (321) is provided with a hexagonal hole (322) at its rear end and a bell mouth (323) at its head end. The bell mouth (323) is connected to a deviation correction mechanism (33) through the hexagonal hole (322). The deviation correction mechanism (33) is coaxially connected to the disc body (321).

6. The automatic slot milling machine according to claim 1, characterized in that: The feeder (2) comprises: A lifting device (21), the telescopic end of which is connected to a loading slider (22), wherein the loading slider (22) is vertically arranged on the storage bin (1) and is suitable for ejecting the workpiece in the storage bin (1) upwards; A connecting inclined surface (23) is connected to the storage bin (1) at its upper end and to the deviation correcting device (3) at its lower end, and an ejection device (24) is provided at its bottom; The ejection device (24) is suitable for ejecting the workpiece on the connecting inclined surface (23) into the deviation correcting device (3).

7. The automatic slot milling machine according to claim 1, characterized in that: The milling machine (5) comprises: The motor (51) and the spindle are in driving connection with the milling cutter (52), and the milling cutter (52) is mounted on a tool holder (56); The base (53) is connected to the tool holder (56) on one side and is provided with a movable top (55) on the other side. A V-shaped block (54) is provided in the middle of the base (53).

8. The automatic slot milling machine according to claim 1, characterized in that: The limiting device (7) includes a pressure block (71), a first limiting cylinder (72) and a second limiting cylinder (73); the elevator (6) is in transmission connection with the pressure block (71) and drives the pressure block (71) to move up and down; the first limiting cylinder (72) and the second limiting cylinder (73) are arranged in parallel on the pressure block (71); the first limiting cylinder (72) and the second limiting cylinder (73) are both aligned with the milling machine (5).

9. The automatic slot milling machine according to claim 1, characterized in that: The material moving mechanism (4) comprises a first translation device (41), a second translation device (42) and a connecting slider (43), wherein the first translation device (41) and the second translation device (42) are arranged orthogonally, and the second translation device (42) is connected to the first translation device (41) via the connecting slider (43).

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