Upper scraper mechanism of deburring machine

Abstract

The utility model relates to an upper scraper mechanism of a deburring machine, which comprises a rack, an upper scraper component and a pinch roller frame, the upper scraper component is arranged on the rack and comprises a spring, an upper scraper and a liftable scraper holder, the upper scraper is elastically supported and mounted on the scraper holder through the spring, and the pinch roller frame is arranged on the upper scraper component. The pressing wheel frame is arranged on the machine frame in a lifting mode, and a pressing wheel is arranged at the tail end of the pressing wheel frame. According to the utility model, the descending distance h1 of the pinch roller and the descending distance h2 of the upper scraper can be determined according to the condition of a plate blank to be processed, so that the purpose of accurately controlling the pressure value a of the upper scraper on the surface of the plate blank is achieved, and the adjustment and control are simple and convenient.

Description

Technical Field

[0001] The utility model relates to the field of deburring machines, in particular to a scraper mechanism on a deburring machine. Background Art

[0002] The deburring machine in the prior art usually utilizes a transmission roller to drive the slab to move relative to a scraper to achieve the burr removal function, but the traditional deburring machine is usually only provided with a lower scraper that can be raised and lowered. For example, a Chinese utility model patent with authorization announcement number CN201871702U discloses a cast slab deburring device, which utilizes a deburring roller to drive the slab to move and cooperates with the lifting and lowering of the lower scraper to achieve the burr removal function. At the same time, in order to ensure that the lower surface of the slab can be close to the lower scraper and to enhance the driving force of the slab, the device is designed with a clamping swing arm with a clamping roller. While the clamping roller descends and presses the slab, it can also rotate and work together with the transmission roller to drive the slab to move relative to each other.

[0003] With the development of technology, deburring machines that can simultaneously remove burrs from the upper and lower surfaces of slabs have also appeared in the prior art. For example, a Chinese invention patent with publication number CN112658225A discloses a toothed deburring machine for the upper and lower surfaces of continuous casting stainless steel slabs. On the basis of the original lower deburring device, an upper deburring device, i.e., an upper scraper, is added. In this way, the device has a deburring action on the upper and lower surfaces of the slab, thereby improving the deburring operation efficiency.

[0004] However, the scraper mechanism on the deburring machine in the prior art is mainly a conventional lifting action, which makes it difficult to accurately adjust the pressure according to the slabs of different thickness batches, and the pressure of the upper scraper on the slab surface will affect the deburring effect. Usually, when the burrs on the upper surface of the slab are easy to remove, the pressure of the upper scraper on the slab surface needs to be reduced. When the burrs on the upper surface of the slab are relatively hard and difficult to remove, the pressure of the upper scraper on the slab surface needs to be increased. However, the prior art only uses the spring in the upper scraper seat to achieve adaptive adjustment of the upper scraper to meet the deburring needs of slabs of different thickness batches and different burr hardness, which cannot achieve the purpose of accurately controlling the pressure of the upper scraper on the upper surface of the slab. Utility Model Content

[0005] The purpose of the utility model is to provide a scraper mechanism on a deburring machine, which can determine the pressure wheel descent distance h1 and the upper scraper descent distance h2 according to the condition of the slab to be processed, thereby achieving the purpose of accurately controlling the pressure value a of the upper scraper on the slab surface, and the adjustment and control of the utility model is also simple and convenient.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A scraper mechanism on a deburring machine comprises a frame, an upper scraper assembly and a pressure wheel frame, wherein the upper scraper assembly is arranged on the frame, and the upper scraper assembly comprises a spring, an upper scraper and a liftable knife seat, the upper scraper is installed on the lower end of the knife seat through spring elastic support, two pressure wheel frames are liftably arranged on both sides of the frame, and pressure wheels are provided at the ends of the pressure wheel frames.

[0008] The frame is provided with a first lifting drive device and a second lifting drive device, and the blade seat of the upper scraper assembly is driven to rise and fall by the first lifting drive device, and the pressure wheel frame is driven to rise and fall by the second lifting drive device on the corresponding side.

[0009] A lifting slide is provided on the frame, and the lifting slide is driven to rise and fall by a first lifting drive device. The upper end of the upper scraper assembly is installed on the lifting slide, and two pressure wheel frames are liftably arranged on both sides of the lifting slide.

[0010] The lifting slide is provided with a second lifting drive device, and the pressure wheel frame is driven to lift by the second lifting drive device on the corresponding side.

[0011] A plurality of adjusting screw holes are arranged on both sides of the lifting slide seat along the height, and the pressure wheel frame is engaged in the corresponding adjusting screw holes through bolts.

[0012] The lifting slide is provided with a third lifting drive device, and auxiliary lifting pressure arms are provided on both sides of the upper scraper assembly. The auxiliary lifting pressure arms are slidably connected to the lifting slide and driven to lift through the third lifting drive device on the corresponding side.

[0013] The upper scraper assembly includes a knife seat, an upper scraper frame, a spring and an upper scraper, wherein the upper scraper is arranged at the lower end of the upper scraper frame, and a knife rod is arranged at the upper end of the upper scraper frame, and the knife rod can be inserted into the knife seat in a liftable manner, and the spring is mounted on the knife rod.

[0014] The knife bar includes a first knife bar portion and a second knife bar portion which are arranged in sequence from bottom to top, and the diameter of the second knife bar portion is smaller than that of the first knife bar portion. A spring accommodating cavity is provided inside the lower end of the knife seat, and the spring is arranged in the spring accommodating cavity. The spring is sleeved on the second knife bar portion, and the lower end of the spring is connected to the upper end surface of the first knife bar portion, and the upper end of the spring is connected to the bottom surface of the spring accommodating cavity.

[0015] The advantages and positive effects of the utility model are:

[0016] 1. The utility model can determine the descending distance h1 of the pressure wheel and the descending distance h2 of the upper scraper according to the condition of the slab to be processed, thereby achieving the purpose of accurately controlling the pressure value a of the upper scraper on the surface of the slab, especially can realize flexible adjustment according to the burr condition of the slab, thereby improving the processing flexibility.

[0017] 2. The adjustment control of the utility model is also simple and convenient. It uses a control system to control and adjust the lifting drive distance of the first lifting drive device and the second lifting drive device to change the pressure wheel descent distance h1 and the upper scraper descent distance h2, thereby obtaining different pressure values ​​a of the upper scraper on the slab surface.

[0018] 3. In another embodiment of the utility model, the pressure wheel frame and the upper scraper are both arranged on the lifting slide, and before processing, the position of the pressure wheel frame on the lifting slide is adjusted so that the height difference between the lower side of the pressure wheel and the lower side of the upper scraper is h2-h1, and then during processing, the lifting slide drives the pressure wheel frame and the upper scraper to descend synchronously, and the upper scraper automatically moves up a distance of h2-h1 due to the abutment against the upper surface of the slab, which is also the elastic force of the upper scraper spring, which further improves the flexibility of use of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 for Figure 1 Schematic diagram of the upper scraper assembly structure.

[0021] Among them, 1 is a frame, 2 is a third lifting drive device, 3 is a first lifting drive device, 4 is an upper scraper assembly, 401 is an upper scraper, 402 is an upper scraper frame, 403 is a first knife bar portion, 404 is a knife seat, 405 is a second knife bar portion, 406 is a spring, 407 is a spring accommodating chamber, 5 is an auxiliary lifting pressure arm, 6 is a pressure wheel, 7 is a pressure wheel frame, 8 is a second lifting drive device, 9 is a slab, 10 is a transmission roller, and 11 is a lower scraper assembly. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1-2 As shown, the utility model comprises a frame 1, an upper scraper assembly 4 and a pressure wheel frame 7, wherein the upper scraper assembly 4 is arranged in the middle of the frame 1, and as shown in Figure 2As shown, the upper scraper assembly 4 includes a spring 406, an upper scraper 401 and a liftable knife seat 404, wherein the upper scraper 401 is elastically supported and installed at the lower end of the knife seat 404 by the spring 406, and the pressure wheel frame 7 is liftably arranged on both sides of the frame 1, and a pressure wheel 6 is provided at the end of the pressure wheel frame 7. Before the utility model works, the required pressure value a of the upper scraper 401 on the surface of the slab 9 is determined according to the condition of the slab 9 to be processed, and then the pressing wheel 6 determines the pressing wheel descending distance h1 according to the thickness of the slab 9, and h1 needs to ensure that after the slab 9 is input, the pressing wheel 6 can be driven down by the pressing wheel frame 7 to contact with the upper surface of the slab 9 to realize the clamping function, and then the upper scraper 401 determines the upper scraper descending distance h2 according to the above-determined pressure value a and the pressing wheel descending distance h1, wherein since the upper scraper 401 will be against the upper surface of the slab 9 after descending, it will not actually descend to the height h2, but to the same height h1 as the pressing wheel 6, so it will be compressed h2-h1 during actual work, and at the same time, the compression distance is also the compression distance of the spring 406, so h2 can be determined according to the following formula:

[0024] a=(h2-h1)×k (1);

[0025] In the above formula (1), k is the elastic constant of the spring 406 .

[0026] In this way, the utility model can determine the pressure wheel descent distance h1 and the upper scraper descent distance h2 according to the condition of the slab 9 through the above process before processing. At the same time, the pressure wheel descent distance h1 and the upper scraper descent distance h2 are combined with the above formula (1) to obtain the accurate compression elastic force of the spring 406, that is, to obtain a more accurate pressure of the upper scraper 401 on the surface of the slab 9. The utility model is also convenient to adjust according to different conditions of the slab 9. It mainly changes the pressure wheel descent distance h1 and the upper scraper descent distance h2 to obtain different pressure values ​​a of the upper scraper 401 on the surface of the slab 9. The adjustment is simple and convenient.

[0027] like Figure 1 As shown, in this embodiment, the frame 1 is provided with a first lifting drive device 3 and a second lifting drive device 8, and the blade holder 404 of the upper scraper assembly 4 is driven to lift and lower by the first lifting drive device 3, and the pressure wheel frame 7 is driven to lift and lower by the second lifting drive device 8 on the corresponding side. The first lifting drive device 3 and the second lifting drive device 8 can select a linear drive device such as a cylinder, an oil cylinder, an electric push rod, etc. as needed, which is a commercially available product. The utility model uses a control system to control and adjust the lifting and driving distance of the first lifting drive device 3 and the second lifting drive device 8 to change the pressure wheel descent distance h1 and the upper scraper descent distance h2, thereby obtaining different pressure values ​​a of the upper scraper 401 on the surface of the slab 9.

[0028] In addition, Figure 1As shown, in this embodiment, the upper end of the upper scraper assembly 4 is installed on a lifting slide, the frame 1 is provided with a first lifting slide rail, and first lifting sliders are provided on both sides of the lifting slide to cooperate with the first lifting slide rails on the corresponding side, thereby realizing the sliding connection between the lifting slide and the frame 1, the power shaft end of the first lifting drive device 3 is connected to the lifting slide to drive the lifting, and second lifting slide rails are provided on the outer walls on both sides of the frame 1, and the pressure wheel frame 7 is provided with a second lifting slider to cooperate with the second lifting slide rails on the corresponding side, thereby realizing the sliding connection between the pressure wheel frame 7 and the frame 1.

[0029] like Figure 2 As shown, in this embodiment, the upper scraper assembly 4 includes a knife seat 404, an upper scraper frame 402, a spring 406 and an upper scraper 401, wherein the upper scraper 401 is arranged at the lower end of the upper scraper frame 402, a knife rod is arranged at the upper end of the upper scraper frame 402, and the knife rod can be lifted and inserted into the knife seat 404, the spring 406 is mounted on the knife rod, and the upper end of the knife seat 404 is connected to the lifting slide.

[0030] like Figure 2 As shown, in this embodiment, the knife bar includes a first knife bar portion 403 and a second knife bar portion 405 which are arranged in sequence from bottom to top, and the diameter of the second knife bar portion 405 is smaller than that of the first knife bar portion 403, a spring accommodating chamber 407 is provided inside the lower end of the knife seat 404, and the spring 406 is arranged in the spring accommodating chamber 407, the spring 406 is sleeved on the second knife bar portion 405, and the lower end of the spring 406 is connected to the upper end surface of the first knife bar portion 403, and the upper end of the spring 406 is connected to the bottom surface of the spring accommodating chamber 407, and when the upper scraper 401 moves, the spring 406 is compressed by the cooperation of the first knife bar portion 403 and the bottom surface of the spring accommodating chamber 407.

[0031] like Figure 1 As shown, in this embodiment, auxiliary lifting and pressing arms 5 can be set on both sides of the upper scraper assembly 4 as needed, wherein the lifting slide is provided with a third lifting drive device 2, the auxiliary lifting and pressing arms 5 are slidably connected with the lifting slide through a slide rail slider assembly, and the auxiliary lifting and pressing arms 5 are driven to rise and fall by the third lifting drive device 2 on the corresponding side, and an auxiliary pressing wheel is set at the lower end of the auxiliary lifting and pressing arms 5. The third lifting drive device 2 can also select a linear drive device such as a cylinder, an oil cylinder, an electric push rod, etc. as needed. Figure 1 As shown, when the utility model is working, in addition to the pressing wheel 6 descending to press the slab 9, the auxiliary lifting and pressing arms 5 on both sides of the upper scraper assembly 4 can also cooperate to descend and press the slab 9 on both sides of the upper scraper assembly 4 to further ensure the deburring effect of the slab 9.

[0032] In another embodiment of the utility model, the pressure wheel frame 7 can be lifted and lowered on both sides of the lifting slide. For example, a second lifting drive device 8 can be directly arranged on the lifting slide to drive the pressure wheel frame 7 to adjust, or a plurality of adjustment screw holes are arranged on both sides of the lifting slide in a height manner. The pressure wheel frame 7 is engaged in the corresponding adjustment screw holes by bolts. The usage of this embodiment is different. After determining the pressure wheel descent distance h1 and the upper scraper descent distance h2, this embodiment first installs the pressure wheel frame 7 on the lifting slide before processing. On the slide, and it is necessary to ensure that the height difference between the lower side of the pressure wheel 6 and the lower side of the upper scraper 401 is h2-h1, and then during processing, the lifting slide is controlled to descend to a height of h2 through the first lifting drive device 3. Since the lowermost position of the pressure wheel 6 is higher than the lowermost position of the upper scraper 401 by a height of h2-h1, the actual descending distance of the pressure wheel 6 at this time is h1, which can press the slab 9, and the upper scraper 401, since it is against the upper surface of the slab 9, will move upward a distance of h2-h1, that is, the spring 406 compresses h2-h1.

[0033] The working principle of the utility model is:

[0034] like Figure 1 As shown, when the utility model is working, the slab 9 is driven by the conveying roller 10 to enter the deburring station, then the pressing wheel 6 and the auxiliary lifting and pressing arm 5 descend to press the slab 9, then the lower scraper in the lower scraper assembly 11 rises to contact the lower surface of the slab 9, and the upper scraper 401 in the upper scraper assembly 4 descends to contact the upper surface of the slab 9, and then the slab 9 is driven by the conveying roller 10 to move relative to the upper scraper 401 and the lower scraper to achieve the deburring function. The conveying roller 10 and the lower scraper assembly 11 are both well-known technologies in the art.

[0035] However, the present invention can determine the pressure wheel descending distance h1 and the upper scraper descending distance h2 according to the condition of the slab 9 to be processed before working, so as to achieve the purpose of accurately controlling the pressure value a of the upper scraper 401 on the surface of the slab 9, which specifically includes the following steps:

[0036] Step 1: Determine the required pressure value a of the upper scraper 401 on the surface of the slab 9 according to the condition of the slab 9 to be processed;

[0037] Step 2: Determine the pressing wheel descending distance h1 of the pressing wheel 6 according to the thickness of the slab 9;

[0038] Step 3: According to the pressure value a in step 1 and the pressure wheel descending distance h1 in step 2, the upper scraper descending distance h2 of the upper scraper 401 is determined in combination with the following formula (1):

[0039] a=(h2-h1)×k (1);

[0040] In the above formula (1), k is the elastic coefficient of the spring 406;

[0041] Step 4: After the slab 9 moves into the deburring station, the second lifting drive device 8 controls the pressure wheel 6 to control the descent height h1, and the first lifting drive device 3 controls the upper scraper 401 to descend to a height h2. In the actual operation of this embodiment, the upper scraper 401 contacts the surface of the slab 9 after descending, and it will not descend h2, but will be the same as the descent height h1 of the pressure wheel 6. Therefore, h2-h1 is the upward movement amount of the upper scraper 401 in actual operation, that is, the compression amount of the spring 406. At this time, the downward elastic force of the spring 406, that is, the pressure value a of the upper scraper 401 on the surface of the slab 9, can be obtained by the utility model in this way. More accurate pressure of the upper scraper 401 on the surface of the slab 9 can be obtained, and different pressure values ​​a of the upper scraper 401 on the surface of the slab 9 can be obtained by changing the pressure wheel descent distance h1 and the upper scraper descent distance h2. The adjustment is also simple and convenient, especially it can be flexibly adjusted according to the burr situation of the slab, thereby improving the processing flexibility.

[0042] In another embodiment of the present invention, the pressure wheel frame 7 can be directly and liftably arranged on both sides of the lifting slide. The use method of this embodiment is different, and it includes the following steps:

[0043] Step 1: Determine the required pressure value a of the upper scraper 401 on the surface of the slab 9 according to the condition of the slab 9 to be processed;

[0044] Step 2: Determine the pressing wheel descending distance h1 of the pressing wheel 6 according to the thickness of the slab 9;

[0045] Step 3: According to the pressure value a in step 1 and the pressure wheel descending distance h1 in step 2, the upper scraper descending distance h2 of the upper scraper 401 is determined in combination with the following formula (1):

[0046] a=(h2-h1)×k (1);

[0047] In the above formula (1), k is the elastic coefficient of the spring 406;

[0048] Step 4: Before processing, adjust the position of the pressure wheel frame 7 on the lifting slide so that the height difference between the lower side of the pressure wheel 6 and the lower side of the upper scraper 401 is h2-h1. During processing, the lifting slide is controlled to descend to a height of h2 through the first lifting drive device 3. Since the lowermost position of the pressure wheel 6 is higher than the lowermost position of the upper scraper 401 by a height of h2-h1, the actual descending distance of the pressure wheel 6 at this time is h1, which can press the slab 9, and the upper scraper 401 will move upward a distance of h2-h1 due to the abutment against the upper surface of the slab 9, that is, the spring 406 compresses h2-h1.

Claims

1. A scraper mechanism on a deburring machine, characterized in that: The invention comprises a frame (1), an upper scraper assembly (4) and a pressure wheel frame (7), wherein the upper scraper assembly (4) is arranged on the frame (1), and the upper scraper assembly (4) comprises a spring (406), an upper scraper (401) and a liftable knife seat (404), the upper scraper (401) is elastically supported and installed on the lower end of the knife seat (404) by the spring (406), and two pressure wheel frames (7) are liftably arranged on both sides of the frame (1), and a pressure wheel (6) is provided at the end of the pressure wheel frame (7).

2. The scraper mechanism on the deburring machine according to claim 1, characterized in that: The frame (1) is provided with a first lifting drive device (3) and a second lifting drive device (8), and the blade holder (404) of the upper scraper assembly (4) is driven to rise and fall by the first lifting drive device (3), and the pressure wheel frame (7) is driven to rise and fall by the second lifting drive device (8) on the corresponding side.

3. The scraper mechanism on the deburring machine according to claim 1, characterized in that: The frame (1) is provided with a lifting slide, and the lifting slide is driven to rise and fall by a first lifting drive device (3). The upper end of the upper scraper assembly (4) is mounted on the lifting slide, and two pressure wheel frames (7) are movably arranged on both sides of the lifting slide.

4. The scraper mechanism on the deburring machine according to claim 3, characterized in that: The lifting slide is provided with a second lifting drive device (8), and the pressure wheel frame (7) is driven to lift by the second lifting drive device (8) on the corresponding side.

5. The scraper mechanism on the deburring machine according to claim 3, characterized in that: A plurality of adjusting screw holes are arranged on both sides of the lifting slide seat along the height, and the pressure wheel frame (7) is engaged in the corresponding adjusting screw holes through bolts.

6. The scraper mechanism on the deburring machine according to claim 3, characterized in that: The lifting slide is provided with a third lifting drive device (2), and auxiliary lifting pressure arms (5) are provided on both sides of the upper scraper assembly (4). The auxiliary lifting pressure arms (5) are slidably connected to the lifting slide and driven to lift by the third lifting drive device (2) on the corresponding side.

7. The scraper mechanism on the deburring machine according to claim 1, characterized in that: The upper scraper assembly (4) comprises a blade seat (404), an upper scraper frame (402), a spring (406) and an upper scraper (401), wherein the upper scraper (401) is arranged at the lower end of the upper scraper frame (402), a blade rod is arranged at the upper end of the upper scraper frame (402), and the blade rod is inserted into the blade seat (404) in a liftable manner, and the spring (406) is mounted on the blade rod.

8. The scraper mechanism on the deburring machine according to claim 7, characterized in that: The knife bar comprises a first knife bar portion (403) and a second knife bar portion (405) which are arranged in sequence from bottom to top, and the diameter of the second knife bar portion (405) is smaller than that of the first knife bar portion (403). A spring accommodating cavity (407) is provided inside the lower end of the knife seat (404), and the spring (406) is arranged in the spring accommodating cavity (407). The spring (406) is sleeved on the second knife bar portion (405), and the lower end of the spring (406) is connected to the upper end surface of the first knife bar portion (403), and the upper end of the spring (406) is connected to the bottom surface of the spring accommodating cavity (407).

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