Automatic chamfering mechanism

Abstract

The utility model provides an automatic chamfering mechanism which comprises a machine frame, a mounting base is arranged on the machine frame, the upper end of the mounting base is connected with two oppositely-arranged positioning plates, and a sliding channel used for a horizontal channel of a workpiece is formed between the two positioning plates. The rack is provided with a first adjusting assembly used for driving the two positioning plates to move close to each other or away from each other at the same time, and the rack is further provided with a material pressing plate located above the sliding channel and a second adjusting assembly used for driving the material pressing plate to ascend and descend. The rack is further provided with at least one chamfering assembly used for grinding the corresponding edges of the workpieces in the sliding channel. According to the automatic chamfering mechanism, a workpiece is stably positioned in the moving and chamfering process, and the chamfering precision is guaranteed; in addition, sliding chamfering of workpieces of different specifications can be easily achieved, operation is convenient, and working efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece chamfering, in particular to an automatic chamfering mechanism. Background Art

[0002] Magnetic steel is mainly used in various fields such as sensors, instruments, electronics, electromechanics, medical treatment, teaching, automobiles, aviation, and military technology. Depending on the metal composition of the magnetic steel, its magnetic properties will be different, and thus its uses will also be different. At present, magnetic steel is produced by powder metallurgy. The surface roughness of products made by powder metallurgy often does not meet the requirements, so it is necessary to grind its outer surface through a grinding device. At present, magnetic steel is generally produced by powder metallurgy, and after production is completed, it is ground by a grinder to make its thickness, length or width meet the design requirements; in addition, magnetic steel is usually a square sheet structure, and its four edges and corners in the length direction are generally straight angles, which are easy to break and chip during transportation and subsequent processing, causing damage. For this reason, after the square sheet material of the blank is made, in addition to grinding its thickness, length or width dimensions, it is also necessary to grind and chamfer the edges and corners.

[0003] In the existing workpiece chamfering equipment, the positioning structure for the workpiece is relatively complex, and the positioning stability of the workpiece is insufficient. It usually includes two symmetrical baffles, and inner grooves are provided on the opposite sides of the two baffles. The inner grooves on both sides form a channel for the workpiece to pass through; in addition, in order to improve versatility, the height of the channel in the existing positioning mechanism is generally higher than the height of the workpiece, that is, the workpiece lacks positioning in the vertical direction, and it mainly relies on the baffles on both sides for clamping and limiting, with poor stability, resulting in fluctuations in chamfering accuracy; and when this structure needs to replace workpieces of different widths, it is necessary to adjust the positions of the two baffles separately, the structure is complex, and the adjustment is inconvenient, which affects work efficiency. Utility Model Content

[0004] In order to overcome at least one defect in the above-mentioned prior art, the utility model provides an automatic chamfering mechanism, which can stably position the workpiece during the moving chamfering process to ensure the chamfering accuracy; in addition, it can easily cope with the sliding chamfering of workpieces of different specifications, with easy operation and high work efficiency.

[0005] The utility model provides an automatic chamfering mechanism: it includes a frame, a mounting seat is provided on the frame, the upper end of the mounting seat is connected to two oppositely arranged positioning plates, a sliding channel for a horizontal channel of the workpiece is formed between the two positioning plates, the frame is provided with a first adjusting component for driving the two positioning plates to move towards or away from each other at the same time, the frame is also provided with a pressing plate located above the sliding channel and a second adjusting component for driving the pressing plate to rise and fall, and the frame is also provided with at least one chamfering component for grinding the corresponding edge of the workpiece in the sliding channel.

[0006] Compared with the prior art, the automatic chamfering mechanism of the utility model has the following advantages:

[0007] In the automatic chamfering mechanism of the utility model structure, two positioning plates are used to limit the two sides of the workpiece, and a pressure plate is also provided above the workpiece sliding channel, so as to ensure that the workpiece can be stably limited in the horizontal and vertical directions during the moving chamfering process, thereby ensuring smooth movement of the workpiece and thus improving the chamfering accuracy; in addition, in this structure, when the specifications of the workpiece change, the two positioning plates can be driven to move towards or away from each other at the same time by operating the first adjusting component, so as to realize the width adjustment of the sliding channel, that is, in this structure, the two positioning plates move synchronously during adjustment, so as to ensure that the center of the sliding channel remains unchanged when the width is adjusted, so as to better ensure that workpieces of different specifications can accurately enter the sliding channel after coming out of the feeding mechanism, without the need for other adjustments; at the same time, the pressure plate can be raised and lowered by operating the second adjusting component, so as to further ensure the stable limitation of workpieces of different specifications.

[0008] Furthermore, the first adjustment assembly includes a first screw extending perpendicularly to the sliding channel and extending through the mounting base. The outer wall of the first screw is provided with two axially spaced, oppositely rotating threaded drive portions. Sliders are threadedly mounted on the exteriors of the two threaded drive portions, and the two positioning plates are respectively connected to the two slides. In this structure, the two positioning plates can be simultaneously moved by rotating the first screw, resulting in a simple structure and convenient operation.

[0009] As an improvement, the upper ends of the two positioning plates on opposite sides are each provided with a positioning step, forming the sliding channel between the two positioning steps, and the bottom surfaces of the two positioning steps are each provided with a positioning ridge on the adjacent side. In the above-mentioned improved structure, the limiting step realizes the horizontal position limitation of the workpiece sliding, and the positioning ridge at the bottom reduces the contact area between the bottom of the workpiece and the bottom surface of the sliding channel, facilitating its horizontal sliding.

[0010] Furthermore, the second adjustment assembly includes a fixed base connected to the frame, a second screw, and an L-shaped connecting block. The vertical plate of the L-shaped connecting block is slidably connected to the fixed base, the second screw is vertically connected to the fixed base, the L-shaped connecting block is threadedly engaged with the second screw, and the press plate is connected to the horizontal plate of the L-shaped connecting block. In this structure, the press plate is raised and lowered by rotating the second screw. The threaded drive method has a simple structure and is easy to adjust.

[0011] In a further improvement, the frame is further provided with a feeding conveyor belt and a transition plate connected between the discharge end of the feeding conveyor belt and the feed end of the sliding channel. The frame is connected to two upper and lower symmetrical feed wheels and a feed drive assembly for driving the feed wheels to rotate. The two feed wheels are located on the upper and lower sides of the transition plate. The transition plate is provided with a connecting hole. The feed wheel located below at least partially extends between the connecting hole and the upper feed wheel to form a workpiece feed channel. In the above-mentioned improved structure, after the feed wheel is set, it provides a horizontal thrust to the workpiece, ensuring that the workpiece can be chamfered while moving in the sliding channel. When the chamfering assembly is stationary, the chamfering of the long edges of the workpiece is ensured to be continuous.

[0012] Further improved, the frame is provided with a fixed plate, on which are connected two drive motors symmetrically distributed up and down, and the two feed wheels are respectively connected to the drive shafts of the two drive motors; the fixed plate is provided with a third adjustment component for respectively adjusting the height positions of the two drive motors to realize the height adjustment of the feed channel.

[0013] In a further improvement, the fixed plate is connected to a first and second slide that can move up and down, and the top of the fixed plate is connected to a first and second threaded sleeves, and the first and second threaded sleeves are equipped with a third screw and a fourth screw for respectively driving the first and second slides to move up and down, and the two drive motors are connected to the first and second slides, respectively. In the above-mentioned improved structure, by rotating the screws in corresponding positions, the corresponding slides are driven to slide up and down under the action of the threaded mating surfaces, thereby adjusting the height position of the corresponding drive motors, thereby achieving height adjustment of the feed channel. The structure is simple and adjustment is convenient.

[0014] As a further improvement, the fixed plate is connected to a vertically arranged positioning baffle located above the transition plate, the positioning baffle is provided with an avoidance hole for accommodating the feed wheel above, and the lower end face of the positioning baffle is provided with a notch connected to the avoidance hole, and the feed wheel above at least partially protrudes from the notch.

[0015] Other improved features and advantages of the present invention will be described in the following detailed description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purposes and other advantages of the present invention can be achieved and obtained by the structures specifically pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of the automatic chamfering mechanism of the utility model;

[0017] Figure 2 for Figure 1 The structure diagram is enlarged at the X in the middle;

[0018] Figure 3 This is a three-dimensional structural diagram of the automatic chamfering mechanism of the utility model from another angle;

[0019] Figure 4 This is a partial schematic diagram of the automatic chamfering mechanism of the present invention from another angle;

[0020] Figure 5 for Figure 4 The structure diagram at Y in the middle is enlarged;

[0021] Figure 6 for Figure 4 Main view of the middle structure;

[0022] Figure 7 for Figure 6 AA section view in the figure;

[0023] Figure 8 It is a structural schematic diagram of the loading conveyor belt and feed wheel assembly in the utility model.

[0024] Description of reference numerals:

[0025] 1. Frame; 2. Mounting seat; 3. Positioning plate; 4. Pressing plate; 5. First screw; 6. Slider; 7. Positioning step; 8. Fixed seat; 9. Second screw; 10. L-shaped connecting block; 11. Feeding conveyor belt; 12. Transition plate; 13. Feed wheel; 14. Connecting hole; 15. Fixed plate; 16. Drive motor; 17. First slide; 18. Second slide; 19. Third screw; 20. Fourth screw; 21. Positioning baffle; 22. Avoidance hole; 23. Grinding wheel; 24. Chamfering motor; 25. Pressing wheel; 26. Baffle plate; 27. Avoidance gap. DETAILED DESCRIPTION

[0026] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of the present application and are not intended to limit the scope of protection of the embodiments of the present application. Those skilled in the art may adjust them as needed to suit specific application scenarios.

[0027] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "fixed" and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0028] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] See also Figures 1 to 8 As shown, the embodiment of the present application discloses an automatic chamfering mechanism, including a frame 1, a mounting base 2 is provided on the frame 1, and two positioning plates 3 arranged oppositely and parallel to each other are connected to the upper end of the mounting base 2, and a sliding channel for a horizontal channel of the workpiece is formed between the two positioning plates 3. In addition, in this structure, a first adjusting component is provided on the frame 1 for driving the two positioning plates 3 to move towards or away from each other at the same time. In this structure, the two positioning plates 3 are driven towards or away from each other by the first adjusting component to achieve width adjustment of the sliding channel, thereby adapting to workpiece channels of different specifications; the frame 1 is also provided with a pressing plate 4 located above the sliding channel and a second adjusting component for driving the pressing plate 4 to rise and fall, where the pressing plate 4 is used to press and limit on the upper surface of the workpiece, thereby further improving the stability of the workpiece when it moves in the sliding channel; in addition, the frame 1 is also provided with at least one chamfering component for grinding the corresponding edges of the workpiece in the sliding channel.

[0030] In this embodiment, see the attached Figure 5The first adjusting component includes a first screw 5, which is passed through the mounting seat 2 in a direction perpendicular to the sliding channel. The first screw 5 is located on the outer wall of one end of the mounting seat 2 and has two threaded driving parts. The two spiral driving parts rotate in opposite directions and are arranged at a small distance along the axial direction of the first screw 5. The other end of the first screw 5 is connected to a rotating handwheel; the outer sides of the two threaded driving parts are spirally fitted with sliders 6, and the two positioning plates 3 are respectively connected to the two sliders 6; in this structure, by rotating the first screw 5, the two sliders 6 move closer to or away from each other under the action of the threaded driving parts with opposite rotation directions at both ends, thereby driving the two positioning plates 3 closer to or away from each other, thereby realizing the width adjustment of the sliding channel, and in this structure, when adjusting, the two positioning plates 3 move synchronously, thereby ensuring that the center of the sliding channel remains unchanged when adjusting the width, thereby better ensuring that workpieces of different specifications can accurately enter the sliding channel after coming out of the feeding mechanism without the need for other adjustments.

[0031] Preferably, in the above structure, positioning steps 7 are provided on the upper ends of the two positioning plates 3 on opposite sides, forming a sliding channel between the two positioning steps 7, and positioning ridges are provided on the adjacent sides of the bottom surfaces of the two positioning steps 7. The limiting steps here achieve left and right limit of the workpiece sliding, and the positioning ridges provided at the bottom reduce the contact area between the bottom of the workpiece and the bottom surface of the sliding channel, facilitating its horizontal sliding.

[0032] Similarly, see Appendix Figure 4 and 7 The second adjusting component includes a fixed base 8 connected to the frame 1, a second screw 9 and an L-shaped connecting block 10, wherein the vertical plate of the L-shaped connecting block 10 is slidably connected to the fixed base 8, and the second screw 9 is vertically connected to the fixed base 8. The L-shaped connecting block 10 is threadedly matched with the second screw 9. By rotating the second screw 9, the L-shaped connecting block 10 can be driven to move up and down, and the pressing plate 4 is connected to the horizontal plate of the L-shaped connecting block 10; that is, when workpieces of different thicknesses need to be chamfered, the L-shaped connecting block 10 is driven to rise and fall by rotating the second screw 9, thereby driving the pressing plate 4 to move up and down. The structure is simple and easy to adjust; in order to facilitate rotation adjustment, a rotating handwheel is connected to the top of the second screw 9 in this structure.

[0033] Of course, in some other embodiments, the rotation of the first screw 5 and the second screw 9 mentioned above can also be driven by setting corresponding servo motors to improve the degree of automation and adjustment accuracy.

[0034] In this embodiment, see the attached Figure 2, a loading conveyor belt 11 and a transition plate 12 connected between the discharge end of the loading conveyor belt 11 and the feed end of the sliding channel are also provided on the frame 1, and two upper and lower symmetrical feed wheels 13 and a feed drive assembly for driving the feed wheel 13 to rotate are connected to the frame 1, and the two feed wheels 13 are located on the upper and lower sides of the transition plate 12, and a connecting hole 14 is opened on the transition plate 12. The feed wheel 13 located at the bottom at least partially passes through the connecting hole 14 and the upper feed wheel 13 to form a workpiece feeding channel; under the auxiliary drive of the two feed wheels 13, the workpiece on the loading conveyor belt 11 can enter the sliding channel more stably, and the feed wheel 13 can provide a horizontal thrust to the workpiece, ensuring that the workpiece can be chamfered while moving in the sliding channel, and when the chamfering assembly is stationary, the continuous chamfering of the long edges of the workpiece is ensured.

[0035] On the other hand, in the above structure, see the attached Figure 2 and 4 The feed drive assembly includes two drive motors 16. A fixed plate 15 is also provided on the frame 1. The two drive motors 16 are symmetrical up and down and horizontally penetrate the fixed plate 15. The two feed wheels 13 are respectively connected to the drive shafts of the two drive motors 16 and pass through one end of the fixed plate 15; more specifically, in this structure, a third adjustment assembly is provided on the fixed plate 15 for respectively adjusting the height positions of the two drive motors 16 to realize height adjustment of the feed channel.

[0036] In this embodiment, see the attached Figure 8 A first slide 17 and a second slide 18 that can move up and down are connected to the fixed plate 15, and a first threaded sleeve and a second threaded sleeve are connected to the top of the fixed plate 15, and the first threaded sleeve and the second threaded sleeve are equipped with a third screw 19 and a fourth screw 20 for driving the first slide 17 and the second slide 18 to move up and down respectively, and two drive motors 16 are connected to the first slide 17 and the second slide 18 respectively; more specifically, a rotating hand wheel is connected to the top of the third screw 19 and the fourth screw 20; when the height of the corresponding feed wheel 13 needs to be adjusted, the corresponding rotating hand wheel is rotated, and the corresponding slide is driven to drive the corresponding drive motor 16 to move up and down under the guidance of the threaded mating surface of the corresponding threaded sleeve.

[0037] See attached Figure 2In this embodiment, a vertically mounted positioning baffle 21 is connected to the fixed plate 15 and positioned above the transition plate 12. The positioning baffle 21 is provided with a clearance hole 22 for accommodating the upper feed wheel 13. A notch is formed on the lower end surface of the positioning baffle 21, communicating with the clearance hole 22. The upper feed wheel 13 at least partially protrudes from the notch. A passage for workpiece movement is formed between the lower end surface of the positioning baffle 21 and the transition plate 12. The aisle is symmetrically provided with feed wheels 13 positioned vertically, ensuring that the workpiece can smoothly enter the sliding passage under the drive of the two feed wheels 13. In this structure, the positioning baffle 21 also serves to protect the upper feed wheel 13. The lower surface of the upper feed wheel 13 only slightly protrudes from the lower end surface of the positioning baffle 21.

[0038] In addition, in the above structure, the feeding conveyor belt 11 runs in the same direction as the length of the sliding channel. That is, after the workpiece is detached from the feeding conveyor belt 11, it does not change direction. Under the action of the feed wheel 13, it moves directly into the sliding channel in a straight line, and the chamfering of the edges is achieved by the chamfering assembly. In addition, the feeding conveyor belt 11 is provided with a baffle plate 26 on both sides. The position of the two baffle plates 26 along the width direction of the feeding conveyor belt 11 is adjustable to achieve the guidance and positioning of workpieces of different widths.

[0039] In this implementation, see the attached Figure 2 and 3 In this embodiment, there are four chamfering components, each including a grinding wheel 23 and a chamfering motor 24, for grinding and chamfering the four edges of the workpiece respectively; see the attached Figure 4 It can be seen that two avoidance gaps 27 are respectively provided on the two sides away from each other of the two positioning plates 3, and the four grinding wheels 23 are respectively accommodated in the four avoidance gaps 27. When the workpiece moves in the sliding channel, the four grinding wheels 23 respectively grind and chamfer its edges through the four avoidance gaps 27. The workpiece can be chamfered at the same time by moving once, with strong chamfering consistency and high work efficiency.

[0040] See attached Figure 4 、 6 It can be seen that a support frame is connected to the frame 1 on one side of the feeding conveyor belt 11, and a horizontal mounting plate is connected to the top of the support frame. An insert is installed on the horizontal mounting plate. A threaded hole is opened in the middle of the insert, and a fifth screw is installed in the insert. The top of the fifth screw is connected to a rotating handwheel, and the lower end of the fifth screw is connected to a pressure wheel 25 that can roll along the moving direction of the workpiece, and when the workpiece moves on the feeding conveyor belt 11, the pressure wheel 25 is always pressed and positioned on the upper surface of the workpiece, further improving the stability of the workpiece during movement; and the height of the roller can be easily adjusted to suit workpieces of different height specifications, and it has high versatility.

[0041] In the description of this application, the description with reference to the terms "this embodiment", "some embodiments", etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are mutually inconsistent.

[0042] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. An automatic chamfering mechanism, comprising a frame (1), characterized in that: The frame (1) is provided with a mounting seat (2), and the upper end of the mounting seat (2) is connected to two positioning plates (3) arranged opposite to each other, and a sliding channel for providing a horizontal channel for the workpiece is formed between the two positioning plates (3). The frame (1) is provided with a first adjustment component for driving the two positioning plates (3) to move towards or away from each other at the same time. The frame (1) is also provided with a pressing plate (4) located above the sliding channel and a second adjustment component for driving the pressing plate (4) to rise and fall. The frame (1) is also provided with at least one chamfering component for grinding the corresponding edge of the workpiece in the sliding channel.

2. The automatic chamfering mechanism according to claim 1, characterized in that: The first adjustment component comprises a first screw (5) which is passed through the mounting seat (2) in a direction perpendicular to the sliding channel, and an outer wall of the first screw (5) is provided with two axially spaced and oppositely rotating threaded drive parts; the outer parts of the two threaded drive parts are both spirally fitted with sliders (6), and the two positioning plates (3) are respectively connected to the two sliders (6).

3. The automatic chamfering mechanism according to claim 1, characterized in that: The upper ends of the two positioning plates (3) on opposite sides are both provided with positioning steps (7), the sliding channel is formed between the two positioning steps (7), and the bottom surfaces of the two positioning steps (7) on the sides close to each other are both provided with positioning ridges.

4. The automatic chamfering mechanism according to claim 1, characterized in that: The second adjustment assembly comprises a fixed seat (8) connected to the frame (1), a second screw rod (9) and an L-shaped connecting block (10), the vertical plate of the L-shaped connecting block (10) is slidably connected to the fixed seat (8), the second screw rod (9) is vertically connected to the fixed seat (8), the L-shaped connecting block (10) is threadedly engaged with the second screw rod (9), and the pressing plate (4) is connected to the horizontal plate of the L-shaped connecting block (10).

5. The automatic chamfering mechanism according to any one of claims 1 to 4, characterized in that: The frame (1) is also provided with a feeding conveyor belt (11) and a transition plate (12) connected between the discharge end of the feeding conveyor belt (11) and the feed end of the sliding channel. The frame (1) is connected with two upper and lower symmetrical feeding wheels (13) and a feeding drive assembly for driving the feeding wheels (13) to rotate. The two feeding wheels (13) are located on the upper and lower sides of the transition plate (12). A connecting hole (14) is opened on the transition plate (12). The feeding wheel (13) located at the bottom at least partially passes through the connecting hole (14) and the upper feeding wheel (13) to form a workpiece feeding channel.

6. The automatic chamfering mechanism according to claim 5, characterized in that: The frame (1) is provided with a fixed plate (15), and two drive motors (16) symmetrically distributed up and down are connected to the fixed plate (15), and the two feed wheels (13) are respectively connected to the drive shafts of the two drive motors (16); the fixed plate (15) is provided with a third adjustment component for respectively adjusting the height positions of the two drive motors (16) to achieve height adjustment of the feed channel.

7. The automatic chamfering mechanism according to claim 6, characterized in that: The fixed plate (15) is connected to a first slide (17) and a second slide (18) that can move up and down, and the top of the fixed plate (15) is connected to a first threaded sleeve and a second threaded sleeve, and the first threaded sleeve and the second threaded sleeve are equipped with a third screw (19) and a fourth screw (20) for respectively driving the first slide (17) and the second slide (18) to move up and down, and the two driving motors (16) are respectively connected to the first slide (17) and the second slide (18).

8. The automatic chamfering mechanism according to claim 6, characterized in that: The fixing plate (15) is connected to a positioning baffle (21) which is vertically arranged and located above the transition plate (12); the positioning baffle (21) is provided with a bypass hole (22) for accommodating the feed wheel (13) above; and a notch is provided on the lower end surface of the positioning baffle (21) which is connected to the bypass hole (22); the feed wheel (13) above is at least partially beyond the notch.

Images