Clamping mechanism for sparse planting sand paper production line

Abstract

The utility model belongs to the technical field of clamping mechanisms, and particularly relates to a clamping mechanism for a sparse planting sand paper production line, which comprises a detection platform and a positioning mechanism, a translation block; the pressing mechanism comprises an L-shaped support, a lifting plate, a pressing roller and a vertical air cylinder, the vertical air cylinder is fixed to the L-shaped support, and a piston rod of the vertical air cylinder penetrates through the L-shaped support and then is fixedly connected with the lifting plate; a driving mechanism; the horizontal air cylinder is fixed to the horizontal moving block, and a piston rod of the horizontal air cylinder penetrates through the horizontal moving block and then is fixedly connected with the L-shaped support. According to the utility model, the two groups of pressing mechanisms which are distributed oppositely are used for pressing and fixing the abrasive paper, the abrasive paper is ensured to be in a flat state, and the positions of the pressing mechanisms are adjustable, so that on one hand, the device is suitable for the abrasive paper with different sizes and specifications, and on the other hand, the positions of the pressing mechanisms can be changed in the pressing state to avoid the problem of detection blind areas.

Description

TECHNICAL FIELD

[0001] The utility model belongs to clamping mechanism technical field, concretely relates to a kind of clamping mechanism for sparsely planted sand abrasive paper production line. BACKGROUND

[0002] Sparsely planted sand abrasive paper refers to the surface of sandpaper or abrasive cloth is sparsely planted sand, and the gap between abrasive particles is large. This design helps to reduce friction between abrasive and workpiece, reduce abrasive dust accumulation, thereby improving work efficiency and prolonging service life.

[0003] Sparsely planted sand abrasive paper is often quality detected during production and processing, such as surface roughness detection. The sandpaper needs to be laid flat on a flat surface and fixed using a special clamping mechanism, and then manually or mechanically detected.

[0004] There are many clamping mechanisms on the market for fixing sandpaper. For example, in the prior art, a Chinese utility model patent with authorization announcement number CN221936461U discloses "a sandpaper automatic production line clamping device", which includes a base, the base is provided with clamping mechanisms on both sides, and the clamping mechanisms are symmetrical structures. The clamping mechanism includes a pressing piece, a triangular connecting plate and a power support plate. The preliminary clamping and fixing of the material can be completed by using a simple mechanical structure.

[0005] The clamping mechanism in the prior art, including the above, can meet general use requirements, but the position of the pressing piece is not adjustable, and it is difficult to apply to sparsely planted sand abrasive paper of different sizes. Because of the existence of the pressing piece, the pressing piece will cause a certain detection blind area after pressing the sandpaper.

[0006] To solve the above problems, the utility model provides a clamping mechanism for sparsely planted sand abrasive paper production line. UTILITY MODEL CONTENTS

[0007] To solve the above problems in the prior art, the utility model provides a clamping mechanism for sparsely planted sand abrasive paper production line, which has the characteristics of convenient use, easy adjustment and wide application range.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a clamping mechanism for sparsely planted sand abrasive paper production line, including a detection platform and two groups of positioning mechanisms symmetrically fixed to the top surface of the detection platform, the positioning mechanism includes:

[0009] A positioning side plate is fixed to the top surface of the detection platform, and a guide sliding hole extending in the horizontal direction is machined on the positioning side plate;

[0010] Translation blocks, which are anti-L-shaped structures and are movably connected to the positioning side plates, and horizontal parts of the translation blocks pass through the guide sliding holes, and two symmetrically distributed translation blocks are arranged on the positioning side plates;

[0011] Pressing mechanisms, which comprise L-shaped supports movably connected to the translation blocks, lifting plates located below the L-shaped supports, pressing rollers rotatably connected to the lifting plates, and vertical air cylinders fixed on the L-shaped supports, and piston rods of the vertical air cylinders pass through the L-shaped supports and are fixedly connected with the lifting plates;

[0012] Driving mechanisms, which are drivably connected to the translation blocks and are used for driving the two translation blocks to move towards or away from each other;

[0013] Horizontal air cylinders, which are fixed on the translation blocks, and piston rods of the horizontal air cylinders pass through the translation blocks and are fixedly connected with the L-shaped supports.

[0014] As a preferred technical scheme of the utility model, further comprising:

[0015] Hole mounting ears, which are fixed to bottom surfaces of the lifting plates;

[0016] Fixed shafts, which are fixed to one end of the pressing rollers, and the fixed shafts pass through the hole mounting ears and are rotatably connected with the hole mounting ears through bearings.

[0017] As a preferred technical scheme of the utility model, further comprising:

[0018] Guide columns, which are fixed to top surfaces of the lifting plates in a symmetrical manner, and the guide columns pass through the L-shaped supports.

[0019] As a preferred technical scheme of the utility model, further comprising:

[0020] Second guide rods, which are fixed to outer walls of the L-shaped supports in a symmetrical manner, and the second guide rods pass through the translation blocks.

[0021] As a preferred technical scheme of the utility model, the driving mechanisms comprise:

[0022] Fixed plates, which are fixed to outer walls of the positioning side plates in a symmetrical manner;

[0023] Bidirectional threaded lead screws, which are rotatably installed between the two fixed plates, and the bidirectional threaded lead screws pass through the translation blocks and are connected with the translation blocks through a threaded screwing mode;

[0024] A driving motor is fixed on the fixed plate and used for driving the bidirectional screw rod to rotate.

[0025] As a preferred technical scheme of the utility model, the driving mechanism further comprises:

[0026] A first guide rod is fixed between the two fixed plates in a symmetrical manner and penetrates the translation block.

[0027] As a preferred technical scheme of the utility model, the horizontal part of the translation block is in contact with the inner wall of the guide sliding hole.

[0028] As a preferred technical scheme of the utility model, the positioning side plate is fixed on the top surface of the detection platform by means of bolts.

[0029] Compared with the prior art, the utility model has the advantages of:

[0030] In the utility model, two groups of opposite standing compression mechanisms are used for compressing and fixing the sandpaper, so that the sandpaper is kept in a flat state, and the position of the compression mechanism is adjustable; on one hand, the compression mechanism is suitable for sandpaper of different sizes, and on the other hand, the position of the compression mechanism can be changed in the compressed state to avoid the problem of detection blind area.

[0031] Other additional advantages and beneficial effects of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0032] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0033] Figure 1 It is a structural schematic view of the utility model;

[0034] Figure 2 It is an axonometric structural schematic view of the compression mechanism in the utility model;

[0035] Figure 3 It is a driving mechanism amplification structural schematic view in the utility model Figure 1

[0036] ​In the figure: 1, detection platform; 2, positioning mechanism; 21, positioning side plate; 211, guide sliding hole; 22, translation block; 23, compression mechanism; 231, L-shaped support; 232, lifting plate; 233, hole mounting lug; 234, compression roller; 235, fixed shaft; 236, vertical air cylinder; 237, guide column; 24, driving mechanism; 241, fixed plate; 242, two-way threaded screw; 243, driving motor; 244, No. 1 guide rod; 25, horizontal air cylinder; 26, No. 2 guide rod. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0038] Please refer to Figures 1-3 The utility model provides the following technical scheme: a clamping mechanism for sparse planting sandpaper production line, including detection platform 1 and two groups of symmetry fixed positioning mechanism 2 on the top surface of detection platform 1, positioning mechanism 2 includes: positioning side plate 21, translation block 22, compression mechanism 23, driving mechanism 24 and horizontal air cylinder 25.

[0039] Further, by Figure 1 and Figure 2As shown in the embodiment, the positioning side plate 21 is fixed to the top surface of the detection platform 1, and a guide sliding hole 211 extending in the horizontal direction is processed on the positioning side plate 21, the translation block 22 is an inverted "L" type structure and is movably connected to the positioning side plate 21, and the horizontal part of the translation block 22 penetrates the guide sliding hole 211, two symmetrical translation blocks 22 are arranged on the positioning side plate 21, the pressing mechanism 23 includes an L-shaped support 231 movably connected to the translation block 22, a lifting plate 232 located below the L-shaped support 231, a pressing roller 234 rotatably connected to the lifting plate 232, and a vertical cylinder 236, the vertical cylinder 236 is fixed on the L-shaped support 231, and the piston rod of the vertical cylinder 236 penetrates the L-shaped support 231 and is fixedly connected with the lifting plate 232, the driving mechanism 24 is drivingly connected to the translation block 22, for driving the two translation blocks 22 to move towards or away from each other, the horizontal cylinder 25 is fixed on the translation block 22, and the piston rod of the horizontal cylinder 25 penetrates the translation block 22 and is fixedly connected with the L-shaped support 231, after using the above scheme, place the sandpaper to be detected on the detection platform 1, according to the size of the sandpaper, start the driving mechanism 24 to drive the two translation blocks 22 to move towards or away from each other, adjust the initial position of the pressing mechanism 23, then start the horizontal cylinder 25, drive the L-shaped support 231 to move horizontally through the piston rod of the horizontal cylinder 25, move the pressing roller 234 above the sandpaper, and finally start the vertical cylinder 236, push the lifting plate 232 to move down through the piston rod of the vertical cylinder 236, press the sandpaper with the pressing roller 234, and then detect the sandpaper; after detection, the part pressed by the pressing roller 234 is blocked and cannot be detected, at this time, the driving mechanism 24 is started to drive the two translation blocks 22 to move towards or away from each other, so that the pressing roller 234 rolls and changes the position of the pressing roller 234, so that the position of the pressing roller 234 can be changed in the pressing state to avoid the problem of blind area, and the sandpaper always remains in a fixed state.

[0040] Alternatively, as shown in Figure 1 and Figure 2 As shown in the embodiment, the positioning side plate 21 is fixed to the top surface of the detection platform 1, and a guide sliding hole 211 extending in the horizontal direction is processed on the positioning side plate 21, the translation block 22 is an inverted "L" type structure and is movably connected to the positioning side plate 21, and the horizontal part of the translation block 22 penetrates the guide sliding hole 211, two symmetrical translation blocks 22 are arranged on the positioning side plate 21, the pressing mechanism 23 includes an L-shaped support 231 movably connected to the translation block 22, a lifting plate 232 located below the L-shaped support 231, a pressing roller 234 rotatably connected to the lifting plate 232, and a vertical cylinder 236, the vertical cylinder 236 is fixed on the L-shaped support 231, and the piston rod of the vertical cylinder 236 penetrates the L-shaped support 231 and is fixedly connected with the lifting plate 232, the driving mechanism 24 is drivingly connected to the translation block 22, for driving the two translation blocks 22 to move towards or away from each other, the horizontal cylinder 25 is fixed on the translation block 22, and the piston rod of the horizontal cylinder 25 penetrates the translation block 22 and is fixedly connected with the L-shaped support 231, after using the above scheme, place the sandpaper to be detected on the detection platform 1, according to the size of the sandpaper, start the driving mechanism 24 to drive the two translation blocks 22 to move towards or away from each other, adjust the initial position of the pressing mechanism 23, then start the horizontal cylinder 25, drive the L-shaped support 231 to move horizontally through the piston rod of the horizontal cylinder 25, move the pressing roller 234 above the sandpaper, and finally start the vertical cylinder 236, push the lifting plate 232 to move down through the piston rod of the vertical cylinder 236, press the sandpaper with the pressing roller 234, and then detect the sandpaper; after detection, the part pressed by the pressing roller 234 is blocked and cannot be detected, at this time, the driving mechanism 24 is started to drive the two translation blocks 22 to move towards or away from each other, so that the pressing roller 234 rolls and changes the position of the pressing roller 234, so that the position of the pressing roller 234 can be changed in the pressing state to avoid the problem of blind area, and the sandpaper always remains in a fixed state.

[0041] Preferably, as shown in Figure 1 and Figure 2As shown in the embodiment, the embodiment further comprises two guide columns 237, which are symmetrically fixed to the top surface of the lifting plate 232 and penetrate the L-shaped support 231. After the above scheme is adopted, the two guide columns 237 are used to guide the lifting plate 232 during use, thereby improving the stability of the lifting plate 232.

[0042] Preferably, the driving mechanism 24 comprises a fixed plate 241, a bidirectional screw rod 242 and a driving motor 243. Figure 1 and Figure 2 As shown in the embodiment, the embodiment further comprises two second guide rods 26, which are symmetrically fixed to the outer wall of the L-shaped support 231 and penetrate the translation block 22. After the above scheme is adopted, the two second guide rods 26 are used to guide the L-shaped support 231 during use, thereby improving the stability of the L-shaped support 231.

[0043] Optionally, the driving mechanism 24 comprises a fixed plate 241, a bidirectional screw rod 242 and a driving motor 243. Figure 1 and Figure 3 As shown in the embodiment, the embodiment further comprises two first guide rods 244, which are symmetrically fixed between the two fixed plates 241 and penetrate the translation block 22. After the above scheme is adopted, the two first guide rods 244 are used to guide the translation block 22 during use, thereby improving the stability of the translation block 22.

[0044] Preferably, the driving mechanism 24 comprises a fixed plate 241, a bidirectional screw rod 242 and a driving motor 243. Figure 1 and Figure 3 As shown in the embodiment, the embodiment further comprises two first guide rods 244, which are symmetrically fixed between the two fixed plates 241 and penetrate the translation block 22. After the above scheme is adopted, the two first guide rods 244 are used to guide the translation block 22 during use, thereby improving the stability of the translation block 22.

[0045] Preferably, the driving mechanism 24 comprises a fixed plate 241, a bidirectional screw rod 242 and a driving motor 243. Figure 1 and Figure 3 As shown in the embodiment, the horizontal portion of the translation block 22 abuts against the inner wall of the guide sliding hole 211, which further improves the stability of the translation block 22, avoids shaking or deviation of the translation block 22, and improves the stability of the sliding cooperation between the translation block 22 and the positioning side plate 21.

[0046] Preferably, the driving mechanism 24 comprises a fixed plate 241, a bidirectional screw rod 242 and a driving motor 243. Figure 1As shown, in the embodiment, the positioning side plate 21 is fixed to the top surface of the detection platform 1 by bolts, which can ensure stable installation of the positioning side plate 21 and facilitate disassembly of the positioning side plate 21.

[0047] It should be noted that the vertical air cylinder 236, the driving motor 243 and the horizontal air cylinder 25 are all conventional devices available in the market, which are provided with power switches, and the person skilled in the art can make conventional selection according to the use requirement, the working principle of which is the common knowledge of the person skilled in the art and has been fully disclosed in the prior art, and thus will not be described in detail herein.

[0048] The circuit connection is a common means adopted by the person skilled in the art, and the technical inspiration can be obtained through limited tests, and belongs to the prior art widely used.

[0049] The components not described in detail herein are the prior art.

[0050] The working principle and use process of the utility model are as follows: the clamping mechanism of the utility model is used to place the sandpaper to be detected on the detection platform 1, and the driving motor 243 is started to drive the bidirectional threaded rod 242 to rotate according to the size specification of the sandpaper, and the two translation blocks 22 are moved towards or away from each other under the threaded rotation, so as to adjust the initial position of the pressing mechanism 23.

[0051] Then the horizontal air cylinder 25 is started, the piston rod of the horizontal air cylinder 25 drives the L-shaped support 231 to move horizontally, the pressing roller 234 is moved to the upper side of the sandpaper, and finally the vertical air cylinder 236 is started, the piston rod of the vertical air cylinder 236 pushes the lifting plate 232 to move downward, the sandpaper is pressed by the pressing roller 234, and then the sandpaper is detected.

[0052] After detection, the part pressed by the pressing roller 234 is blocked and cannot be detected, at this time, the driving mechanism 24 is started to drive the two translation blocks 22 to move towards or away from each other, so that the pressing roller 234 rolls and the position of the pressing roller 234 is changed, so that the position of the pressing roller 234 can be changed in the pressing state to avoid the problem of detection blind area.

[0053] The utility model discloses two groups of opposite distribution's pressing mechanism 23 are used for pressing and fixing sandpaper, ensure that sandpaper is in the even state, and the position of the pressing mechanism 23 is adjustable, on the one hand, it is applicable to sandpaper of different size specifications, and on the other hand, the position of the pressing mechanism 23 can be changed in the pressing state to avoid the problem of detection blind area.

[0054] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A clamping mechanism for a loose-abrasive sandpaper production line, comprising a detection platform (1) and two sets of positioning mechanisms (2) fixed symmetrically on the top surface of the detection platform (1), characterized in that, The positioning mechanism (2) comprises: A positioning side plate (21) is fixed to the top surface of the detection platform (1), and a guide sliding hole (211) extending in the horizontal direction is processed on the positioning side plate (21); A translation block (22) is movably connected to the positioning side plate (21) and has a reverse "L" shape, and the horizontal part of the translation block (22) penetrates the guide sliding hole (211), and two symmetrically distributed translation blocks (22) are arranged on the positioning side plate (21); A pressing mechanism (23) comprises an L-shaped support (231) movably connected to the translation block (22), a lifting plate (232) located below the L-shaped support (231), a pressing roller (234) rotatably connected to the lifting plate (232), and a vertical air cylinder (236) fixed to the L-shaped support (231), and the piston rod of the vertical air cylinder (236) penetrates the L-shaped support (231) and is fixedly connected with the lifting plate (232); A driving mechanism (24) is drivably connected to the translation block (22) for driving the two translation blocks (22) to move towards or away from each other; A horizontal air cylinder (25) is fixed to the translation block (22), and the piston rod of the horizontal air cylinder (25) penetrates the translation block (22) and is fixedly connected with the L-shaped support (231).

2. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: Further comprising: A hole mounting lug (233) is fixed to the bottom surface of the lifting plate (232); A fixed shaft (235) is fixed to one end of the pressing roller (234), and the fixed shaft (235) penetrates the hole mounting lug (233) and is rotatably connected with the hole mounting lug (233) through a bearing.

3. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: Further comprising: Two guide columns (237) are symmetrically fixed to the top surface of the lifting plate (232), and the guide columns (237) penetrate the L-shaped support (231).

4. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: Further comprising: Two No. 2 guide rods (26) are symmetrically fixed to the outer wall of the L-shaped support (231), and the No. 2 guide rods (26) penetrate the translation block (22).

5. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: The driving mechanism (24) comprises: Two fixed plates (241) are symmetrically fixed to the outer wall of the positioning side plate (21); A bidirectional threaded screw rod (242) is rotatably installed between the two fixed plates (241), and the bidirectional threaded screw rod (242) penetrates the translation block (22) and is connected with the translation block (22) by screwing; A driving motor (243) is fixed to the fixed plate (241) for driving the bidirectional threaded screw rod (242) to rotate.

6. The clamping mechanism for a sanding paper production line according to claim 5, characterized in that: The driving mechanism (24) further comprises: A first guide rod (244) is fixed symmetrically between the two fixed plates (241), and the first guide rod (244) penetrates the translation block (22).

7. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: The horizontal part of the translation block (22) is in contact with the inner wall of the guide sliding hole (211).

8. The clamping mechanism for a sanding paper production line according to claim 1, characterized in that: The positioning side plate (21) is fixed to the top surface of the detection platform (1) by bolts.

Images