Fixing device for brittle plate processing

Abstract

The utility model provides a fixing device for fragile plate processing. The fixing device for fragile plate processing comprises a base, a pressing plate, a fixing assembly and an anti-loosening assembly. The fixing assembly comprises a first abutting plate, a second abutting plate and a first fastener. Main positioning of the to-be-machined fragile plate is achieved through cooperation of the groove in the base and the fixing assembly, then the abutting plate is fixed through the anti-loosening assembly, circumferential positioning of the to-be-machined fragile plate is further achieved, the fragile plate can be fixed without external force, the machining efficiency is improved, and the machining cost is reduced. And the problem that the fragile plate is scrapped due to corner falling caused by external force in the milling process is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to brittle material processing technical field relates to a kind of brittle plate processing fixing device. BACKGROUND

[0002] In the brittle material precision machining process, first require the workpiece to be machined can be completely fixed and will not change position during processing, to ensure that the size precision of processing process. Due to the brittle structure of material, increase workpiece positioning difficulty.

[0003] The positioning mode of commonly used brittle workpiece machining adopts the method of bonding, but the conventional bonding method requires the flatness of product or at least two right-angle surfaces can be used for fixing. Because the bonding force is small, it is easy to drop the corner when subjected to external force during milling. The prior art also commonly uses three flat tongs to clamp the brittle plate, and the installation of three flat tongs needs to be compared with the watch, which is time-consuming. When the flat tongs clamp the square plate, the material is special, and it is easy to cause corner drop and scrap during milling.

[0004] The brittle workpiece fixed above is easy to drop the corner and cause scrap when subjected to external force during milling, which not only increases the processing time, but also increases the production cost. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a brittle plate processing fixing device. The brittle plate can be fixed in position without being subjected to external force by using the fixing device, which not only improves the processing efficiency, but also avoids the problem of corner drop and scrap of brittle plate due to external force during milling.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of brittle plate processing fixing device, and the brittle plate processing fixing device includes base, pressing plate, fixed component and anti-loose component;

[0008] The base is provided with recess, and the recess is provided with first opening for the brittle plate to be machined to be pushed into;Second opening is arranged on one side of the recess adjacent to the first opening;

[0009] The base is fixed on the workbench by the pressing plate;

[0010] The fixed component includes first abutting plate, second abutting plate and first fastener;

[0011] Two first abutting plates are arranged on the end face of the first opening in horizontal direction and symmetrically, and one side of the first abutting plate abuts with the brittle plate to be machined, and the other side abuts with the anti-loose component;

[0012] The second abutting plate is provided at the joint of the first opening and the second opening, and one side of the second abutting plate abuts against the brittle plate to be processed, and the other side abuts against the anti-loosening assembly;

[0013] The first abutting plate and the second abutting plate are both provided with two threaded holes in the horizontal direction, which are matched with the first fasteners;

[0014] The anti-loosening assembly is used for preventing the loosening of the fixing assembly.

[0015] In the utility model, the brittle plate to be processed is a long strip-shaped workpiece. The number of the anti-loosening assembly is not limited, as long as the abutting plate does not loosen during the milling process, and the person skilled in the art can select according to the actual situation.

[0016] The fixing device for brittle plate processing provided by the utility model realizes the main positioning of the brittle plate to be processed through the groove on the base and the fixing assembly, realizes the fixing of the abutting plate through the anti-loosening assembly, further realizes the circumferential positioning of the brittle plate to be processed, so that the brittle plate can be fixed in position without external force, which not only improves the processing efficiency, but also avoids the problem of corner dropping and scrapping due to external force during the milling process.

[0017] It is worth mentioning that the base is provided with the groove with the first opening and the second opening, and the fixing assembly is composed of the first abutting plate, the second abutting plate and the first fastener, so that the quick positioning of the brittle plate to be processed is realized through the groove, the first abutting plate and the second abutting plate, and the four edges of the brittle plate to be processed are limited, which further improves the processing stability and efficiency of the brittle plate.

[0018] As a preferred technical scheme of the utility model, the length of the first opening is greater than the length of the brittle plate to be processed.

[0019] In the utility model, in order to ensure that the brittle plate to be processed is smoothly pushed into the groove, the length of the first opening needs to be controlled to be greater than the length of the brittle plate to be processed.

[0020] The width of the second opening is greater than or equal to the length of the anti-loosening assembly.

[0021] In the utility model, in order to ensure that the anti-loosening assembly can fix the second abutting plate, the width of the first opening needs to be controlled to be greater than the length of the anti-loosening assembly.

[0022] As a preferred technical scheme of the utility model, the number of the pressing plates is at least 2, for example, 2, 3 or 4, etc.

[0023] The pressing plates are diagonally arranged on the base.

[0024] As the preferred technical scheme of the utility model, the length ratio of the first abutting plate to the brittle plate to be processed is (0.2-0.4):1, for example, it can be 0.22:1, 0.24:1, 0.25:1, 0.26:1, 0.28:1, 0.3:1, 0.32:1, 0.35:1, 0.36:1, 0.38:1 or 0.4:1, etc., but not limited to the listed values, other values not listed in the value range are also applicable.

[0025] As the preferred technical scheme of the utility model, the length ratio of the second abutting plate to the width of the brittle plate to be processed is (0.7-1):1, for example, it can be 0.7:1, 0.72:1, 0.75:1, 0.78:1, 0.8:1, 0.82:1, 0.85:1, 0.88:1, 0.9:1, 0.92:1, 0.95:1, 0.98:1 or 1:1, etc., but not limited to the listed values, other values not listed in the value range are also applicable.

[0026] It is worth noting that by further controlling the length ratio of the first abutting plate, the second abutting plate to the size of the brittle plate to be processed, not only can reduce the stress concentration of the brittle plate, avoid the plate from breaking or cracking due to excessive stress, but also help to enhance the structural stability during the whole processing process, reduce vibration and deformation, thereby improving the processing quality.

[0027] As the preferred technical scheme of the utility model, the first fastener comprises a first screw.

[0028] It should be noted that the first fastener is used to fix the first abutting plate and the second abutting plate, and then firmly hold the abutting plate to the brittle plate to be processed, avoiding the change of position during processing. The shape and structure of the first screw are not specifically required and specially limited, and the shape of the first screw can be adaptively adjusted by the person skilled in the art according to the use scene and test conditions.

[0029] As the preferred technical scheme of the utility model, the anti-loose assembly comprises a mounting piece, a locking piece and a second fastener.

[0030] It should be noted that the anti-loose assembly is composed of a mounting piece, a locking piece and a second fastener, which is in abutment with the abutting plate through the mounting piece, and is fixed by the double fixing of the locking piece and the second fastener, avoiding the displacement of the abutting plate during processing, and further ensuring the stability of the brittle plate during processing.

[0031] As the preferred technical scheme of the utility model, the side wall of the first abutting plate or the second abutting plate away from the brittle plate to be processed is in abutment with the mounting piece.

[0032] The mounting member is provided with two first threaded holes in the horizontal direction, which are matched with the second fasteners.

[0033] In the utility model, the second fastener is used for fixing the mounting member, so that the mounting member is prevented from moving freely.

[0034] As the preferred technical scheme of the utility model, the side wall of the first abutting plate or the second abutting plate away from the side wall of the brittle plate to be processed is abutted with the locking member.

[0035] In the utility model, the locking member is used for locking the first abutting plate and the second abutting plate.

[0036] The side wall of the mounting member is provided with a second threaded hole matched with the locking member.

[0037] As the preferred technical scheme of the utility model, the second fastener comprises a first screw.

[0038] The locking member comprises a second screw.

[0039] The utility model does not make specific requirements and special limitations on the shape structure features of the second screw, and the skilled in the art can adaptively adjust the shape of the second screw according to the use scene and test conditions.

[0040] The utility model also provides a use method of the fixing device for brittle plate processing, and the use method comprises the following steps: using a dial indicator to flatten the brittle plate to be processed and the fixing device, then using two pressing plates to fix the base, then pushing the brittle plate to be processed into the groove, abutting two edges of the brittle plate with the groove, then installing the first abutting plate and the second abutting plate, then fixing the abutting plate by using the first fastener, then installing the mounting member in the anti-loosening assembly, fixing the mounting member on the base by using the second fastener, and finally locking the abutting plate by using the locking member.

[0041] Compared with the prior art, the utility model has the following beneficial effects:

[0042] (1) The fixing device for brittle plate processing provided by the utility model realizes the main positioning of the brittle plate to be processed through the cooperation of the groove on the base and the fixing assembly, realizes the fixing of the abutting plate through the anti-loosening assembly, further realizes the circumferential positioning of the brittle plate to be processed, so that the brittle plate can be fixed in position without being subjected to external force, the processing efficiency is improved, and the problem of corner dropping and scrapping due to external force in the milling process of the brittle plate is avoided.

[0043] (2) The fixing device for brittle plate processing provided by the utility model has the advantages of simple structure, convenient use, high positioning accuracy, high processing stability and high processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 Figure 1 is a schematic view of the fixing device for brittle plate processing provided by the embodiment 2.

[0045] In the figure, 1 is the base, 2 is the groove, 3 is the first opening, 4 is the second opening, 5 is the first abutting plate, 6 is the second abutting plate, 7 is the first fastener, 8 is the mounting piece, 9 is the locking piece, 10 is the second fastener, and 11 is the brittle plate. DETAILED DESCRIPTION

[0046] It should be understood that, in the description of the utility model, the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as limiting the utility model.

[0047] It should be noted that, in the description of the utility model, unless otherwise explicitly specified and limited, the terms "arrange", "connect", "connect" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0048] The technical solutions of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0049] Embodiment 1

[0050] The embodiment provides a fixing device for brittle plate processing, which comprises a base, a pressing plate, a fixing assembly and an anti-loosening assembly.

[0051] The base is provided with a groove, the groove is provided with a first opening for pushing the brittle plate to be processed; one side of the groove adjacent to the first opening is provided with a second opening; the length of the first opening is greater than the length of the brittle plate to be processed; the width of the second opening is greater than or equal to the length of the anti-loose assembly;

[0052] The brittle plate to be processed is a long strip-shaped workpiece;

[0053] The base is fixed on the workbench by two pressing plates; the two pressing plates are arranged on the base along the diagonal lines;

[0054] The fixing assembly comprises a first abutting plate, a second abutting plate and a first fastener;

[0055] Two first abutting plates are symmetrically arranged on the end face of the first opening in the horizontal direction, and one side of the first abutting plate abuts against the brittle plate to be processed, and the other side abuts against two anti-loose assemblies; the length ratio of the first abutting plate to the brittle plate to be processed is 0.2:1;

[0056] One second abutting plate is arranged at the connection between the first opening and the second opening, and one side of the second abutting plate abuts against the brittle plate to be processed, and the other side abuts against one anti-loose assembly; the length ratio of the second abutting plate to the width of the brittle plate to be processed is 1:1;

[0057] Two threaded holes matched with the first fastener are arranged in the first abutting plate and the second abutting plate in the horizontal direction; the first fastener is a first screw;

[0058] The anti-loose assembly is used to prevent the fixing assembly from loosening.

[0059] Embodiment 2

[0060] The embodiment provides a fixing device for brittle plate processing, as shown in Figure 1 The fixing device for brittle plate processing comprises a base 1, a pressing plate, a fixing assembly and an anti-loose assembly;

[0061] The base 1 is provided with a groove 2, the groove 2 is provided with a first opening 3 for pushing the brittle plate to be processed; one side of the groove 2 adjacent to the first opening 3 is provided with a second opening 4; the length of the first opening 3 is greater than the length of the brittle plate to be processed 11; the width of the second opening 4 is greater than or equal to the length of the anti-loose assembly;

[0062] The brittle plate to be processed 11 is a long strip-shaped workpiece;

[0063] The base 1 is fixed on the workbench by two pressing plates; the two pressing plates are arranged on the base along the diagonal lines;

[0064] The fixing assembly comprises a first abutting plate 5, a second abutting plate 6 and a first fastener 7;

[0065] Two first abutting plates 5 are symmetrically arranged on the end face of the first opening 3 in the horizontal direction, and one side of the first abutting plate 5 abuts against the brittle plate 11 to be processed, and the other side abuts against two anti-loosening assemblies; the length ratio of the first abutting plate 5 to the brittle plate 11 to be processed is 0.25:1;

[0066] One second abutting plate 6 is arranged at the connection between the first opening 3 and the second opening 4, and one side of the second abutting plate 6 abuts against the brittle plate 11 to be processed, and the other side abuts against one anti-loosening assembly; the length ratio of the second abutting plate 6 to the width of the brittle plate 11 to be processed is 0.9:1;

[0067] Two threaded holes matched with the first fastener 7 are arranged in the first abutting plate 5 and the second abutting plate 6 in the horizontal direction; the first fastener 7 is a first screw;

[0068] The anti-loosening assembly comprises a mounting piece 8, a locking piece 9 and a second fastener 10;

[0069] The side wall of the first abutting plate 5 or the second abutting plate 6 away from the brittle plate 11 to be processed abuts against two mounting pieces 8;

[0070] Two first threaded holes matched with the second fastener 10 are arranged in the mounting piece 8 in the horizontal direction;

[0071] The side wall of the first abutting plate 5 or the second abutting plate 6 away from the side wall of the brittle plate 11 to be processed abuts against one locking piece 9; a second threaded hole matched with the locking piece 9 is arranged in the side wall of the mounting piece 8;

[0072] The second fastener 10 is a first screw; and the locking piece 9 is a second screw.

[0073] Embodiment 3

[0074] The brittle plate processing fixing device provided in the embodiment is the same as that in Embodiment 2, except that the length ratio of the first abutting plate to the brittle plate to be processed is 0.4:1, and the length ratio of the second abutting plate to the width of the brittle plate to be processed is 0.7:1.

[0075] When the brittle plate machining fixing device provided by the embodiments 1-3 is used, the main positioning of the brittle plate to be machined is realized through the cooperation of the groove on the base and the fixing assembly, the fixing of the abutting plate is realized through the anti-loosening assembly, and the circumferential positioning of the brittle plate to be machined is further realized, so that the brittle plate can be fixed in position without external force, and there is no problem of corner drop in the milling process, and high-efficiency milling is realized.

[0076] Comparative example 1

[0077] The comparative example provides a brittle plate machining fixing device, which is the same as the embodiment 1 except that only one first abutting plate is arranged on the end face of the first opening in the horizontal direction.

[0078] When the brittle plate machining fixing device provided by the comparative example is used, because only one first abutting plate is arranged on the end face of the first opening, the long side of the brittle plate cannot be limited, the brittle plate moves in the milling process, and it is not conducive to reducing the stress concentration of the brittle plate, resulting in a decrease in processing quality.

[0079] Comparative example 2

[0080] The comparative example provides a brittle plate machining fixing device, which is the same as the embodiment 1 except that only one threaded hole matched with the first fastener is arranged through the first abutting plate and the second abutting plate in the horizontal direction.

[0081] When the brittle plate machining fixing device provided by the comparative example is used, because only one threaded hole matched with the first fastener is arranged through the abutting plate, the abutting plate cannot be fixed sufficiently, and the long side of the brittle plate cannot be limited, the brittle plate moves in the milling process, resulting in a decrease in processing quality.

[0082] Comparative example 3

[0083] The comparative example provides a brittle plate machining fixing device, which is the same as the embodiment 1 except that no anti-loosening assembly is arranged.

[0084] When the brittle plate machining fixing device provided by the comparative example is used, because no anti-loosening assembly is arranged, the abutting plate loosens in the milling process, and the brittle plate moves, so that high-quality processing cannot be realized.

[0085] The applicant declares that the above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. It should be understood by those skilled in the art that any changes or replacements within the technical scope disclosed by the present application can be easily thought of by those skilled in the art, and all fall within the protection scope and disclosure scope of the present application.

Claims

1. A fixing device for processing brittle sheet metal, characterized in that, The brittle plate processing fixing device comprises a base, a pressing plate, a fixing assembly and an anti-loosening assembly; The base is provided with a groove, and the groove is provided with a first opening for pushing the brittle plate to be processed; The base is fixed on the workbench through the pressing plate; The fixing assembly comprises a first abutting plate, a second abutting plate and a first fastener; The first abutting plate is provided on the end surface of the first opening in the horizontal direction and symmetrically, and one side of the first abutting plate abuts against the brittle plate to be processed, and the other side abuts against the anti-loosening assembly; The second abutting plate is provided at the connection between the first opening and the second opening, and one side of the second abutting plate abuts against the brittle plate to be processed, and the other side abuts against the anti-loosening assembly; The first abutting plate and the second abutting plate are both provided with two threaded holes matched with the first fastener in the horizontal direction; The anti-loosening assembly is used to prevent the fixing assembly from loosening.

2. The brittle plate processing fixing device according to claim 1, wherein The length of the first opening is greater than the length of the brittle plate to be processed; The width of the second opening is greater than or equal to the length of the anti-loosening assembly.

3. The brittle plate processing fixing device according to claim 1, wherein The number of the pressing plates is at least two; The pressing plates are arranged on the base along the diagonal lines.

4. The brittle sheet processing fixing device according to claim 1, wherein The length ratio of the first abutting plate to the brittle plate to be processed is (0.2-0.4):

1.

5. The brittle sheet processing fixing device according to claim 1, wherein The length ratio of the second abutting plate to the width of the brittle plate to be processed is (0.7-1):

1.

6. The brittle sheet processing fixing device according to claim 1, wherein The first fastener comprises a first screw.

7. The brittle sheet processing fixing device according to claim 1, wherein The anti-loosening assembly comprises a mounting piece, a locking piece and a second fastener.

8. The brittle sheet processing fixing device according to claim 7, wherein The side wall of the first abutting plate or the second abutting plate away from the brittle plate to be processed abuts against the mounting piece; The mounting piece is provided with two first threaded holes matched with the second fastener in the horizontal direction.

9. The brittle sheet processing fixing device according to claim 7, wherein The side wall of the first abutting plate or the second abutting plate away from the brittle plate to be processed abuts against the locking piece; The side wall of the mounting piece is provided with a second threaded hole matched with the locking piece.

10. The brittle sheet processing fixing device according to claim 7, wherein The second fastener comprises a first screw; The locking piece comprises a second screw.

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