High-precision shearing and positioning clamp for reflecting plate

Abstract

The utility model discloses a high-precision shearing and positioning clamp for a reflector, and relates to the technical field of positioning clamps. A high-precision shearing and positioning clamp for a reflector comprises a shearing base, a cutting tool and a shearing and positioning structure are arranged above the shearing base, the shearing and positioning structure is located on the shearing base, and the shearing and positioning structure comprises two supporting frames, two electric push rods, a lifting plate, an outer ring clamp and two electric telescopic rods. The two supporting frames are fixedly connected to the top of the shearing base, and through cooperation of the outer ring clamp, the inner clamp, the outer limiting sliding blocks, the inner limiting sliding blocks, the connecting columns and the connecting arc-shaped plates, the inner clamp and the outer ring clamp can be indirectly connected conveniently, so that the inner clamp and the outer ring clamp can synchronously ascend and descend; and therefore, the inner clamp and the outer ring clamp can conveniently clamp and fix the inner side and the outer side of the circular reflecting plate, the reflecting plate is prevented from being deformed during shearing, and the production quality of shearing of the circular reflecting plate is further improved.

Description

Technical Field

[0001] This utility model relates to the field of positioning fixture technology, and in particular to a high-precision shearing and positioning fixture for reflectors. Background Technology

[0002] A reflector is a lighting aid used in photography. It is made of materials such as aluminum foil, white cloth, and rice paper. Reflectors serve as supplementary lighting off-camera, and sometimes as the main light. Different reflective surfaces produce light of varying hardness and softness. The smaller the reflector area, the worse the effect.

[0003] Traditional reflector shearing and positioning fixtures struggle to simultaneously ensure precise positioning of both the inner and outer sides of circular reflectors during shearing operations. Most fixtures can only provide simple clamping to one or the other side of the reflector. During shearing, the lack of effective constraint on the other side makes the circular reflector prone to displacement and wobbling, resulting in significant dimensional deviations after shearing. Furthermore, the fixtures cannot provide uniform and stable clamping force, causing localized deformation of the circular reflector under stress. This deformation not only affects the flatness of the reflector's appearance but may also lead to uneven reflective performance during subsequent use, greatly reducing the product's pass rate. Therefore, we propose a high-precision reflector shearing and positioning fixture. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a high-precision shearing and positioning fixture for reflectors. This fixture can solve the problem that traditional reflector shearing and positioning fixtures are difficult to use simultaneously to accurately position the inner and outer sides of a circular reflector during shearing operations. Most fixtures can only simply clamp the inner or outer side of the reflector. During the shearing process, due to the lack of effective constraint on the other side, the circular reflector is prone to displacement and shaking, resulting in large dimensional deviations after shearing. Because the fixture cannot provide uniform and stable clamping force, the circular reflector is prone to local deformation during the stress process. This deformation not only affects the flatness of the reflector's appearance, but may also lead to uneven reflective performance in subsequent use, greatly reducing the product qualification rate.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-precision shearing and positioning fixture for reflectors, comprising:

[0006] A shearing base, with a cutting blade mounted on top of it;

[0007] A shear positioning structure is located on the shear base.

[0008] The shearing positioning structure includes two support frames, two electric push rods, a lifting plate, an outer ring clamp, and two electric telescopic rods. The two support frames are fixedly connected to the top of the shearing base, and the two electric push rods are fixedly installed on the top of their respective support frames. The lifting plate is slidably connected to the opposite surfaces of the two support frames. The telescopic ends of the two electric push rods slide into the interior of their respective support frames and are fixedly connected to the top of the lifting plate. The two electric telescopic rods are fixedly installed at the bottom of the lifting plate, and the telescopic ends of the two electric telescopic rods are fixedly connected to the outer ring clamp. The top of the outer ring clamp is provided with an outer limiting groove.

[0009] Preferably, the shearing positioning structure further includes an inner clamp, two outer limiting sliders, two inner limiting sliders, and two connecting arc plates. The inner clamp is located inside the outer ring clamp. An inner upper limiting groove is provided on the top of the inner clamp. The two outer limiting sliders are slidably connected inside the outer limiting groove, and the two inner limiting sliders are slidably connected inside the inner upper limiting groove. Two connecting posts are fixedly connected to the tops of the two outer limiting sliders and the two inner limiting sliders. The two ends of the two connecting arc plates are fixedly connected to the corresponding two connecting posts.

[0010] Preferably, a drive motor is fixedly installed at the bottom of the lifting plate, and a rotating frame is fixedly connected to the telescopic end of the drive motor.

[0011] Preferably, the bottom of the rotating frame is fixedly connected to a mounting cylinder, and the cutting tool is fixedly installed inside the mounting cylinder by bolts.

[0012] Preferably, the cutting tool is located in the gap between the outer ring clamp and the inner clamp.

[0013] Preferably, a shearing table is fixedly connected to the top of the shearing base.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This high-precision shearing and positioning fixture for reflectors, through the cooperation of an outer ring fixture, an inner fixture, an outer limit slider, an inner limit slider, a connecting column, and a connecting arc plate, facilitates the indirect connection between the inner and outer ring fixtures. This allows the inner and outer ring fixtures to move up and down synchronously, thereby facilitating the clamping and fixing of the inner and outer sides of the circular reflector. This prevents deformation of the reflector during shearing and further improves the production quality of circular reflector shearing. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the rotating frame structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the inner clamp of this utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the mounting cylinder of this utility model.

[0021] Reference numerals: 1. Shearing base; 2. Shearing table; 3. Support frame; 4. Electric push rod; 5. Electric telescopic rod; 6. Lifting plate; 7. Drive motor; 8. Outer ring clamp; 9. Rotating frame; 10. Inner clamp; 11. Connecting column; 12. Outer limit slide groove; 13. Connecting arc plate; 14. Inner upper limit slide groove; 15. Outer limit slider; 16. Inner limit slider; 17. Mounting cylinder; 18. Cutting tool. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0025] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0026] Please see Figure 1-4 This utility model provides a technical solution: a high-precision shearing and positioning fixture for reflectors, comprising:

[0027] A shearing base 1 is provided, a cutting blade 18 is provided above the shearing base 1, and a shearing table 2 is fixedly connected to the top of the shearing base 1.

[0028] A shearing positioning structure is located on the shearing base 1.

[0029] The shearing positioning structure includes two support frames 3, two electric push rods 4, a lifting plate 6, an outer ring clamp 8, and two electric telescopic rods 5. The two support frames 3 are fixedly connected to the top of the shearing base 1. The two electric push rods 4 are fixedly installed on the top of the corresponding support frames 3. The lifting plate 6 is slidably connected to the opposite surface of the two support frames 3. The telescopic ends of the two electric push rods 4 slide into the interior of the corresponding support frame 3 and are fixedly connected to the top of the lifting plate 6. The two electric telescopic rods 5 are fixedly installed at the bottom of the lifting plate 6. The telescopic ends of the two electric telescopic rods 5 are fixedly connected to the outer ring clamp 8. The top of the outer ring clamp 8 is provided with an outer limiting groove 12.

[0030] The shearing positioning structure also includes an inner clamp 10, two outer limiting sliders 15, two inner limiting sliders 16, and two connecting arc plates 13. The inner clamp 10 is located inside the outer ring clamp 8. An inner upper limiting groove 14 is provided on the top of the inner clamp 10. The two outer limiting sliders 15 are slidably connected inside the outer limiting groove 12, and the two inner limiting sliders 16 are slidably connected inside the inner upper limiting groove 14. Two connecting posts 11 are fixedly connected to the top of the two outer limiting sliders 15 and the two inner limiting sliders 16. The two ends of the two connecting arc plates 13 are fixedly connected to the corresponding two connecting posts 11.

[0031] A drive motor 7 is fixedly installed at the bottom of the lifting plate 6. A rotating frame 9 is fixedly connected to the telescopic end of the drive motor 7. An installation cylinder 17 is fixedly connected to the bottom of the rotating frame 9. A cutting tool 18 is fixedly installed inside the installation cylinder 17 by bolts. The cutting tool 18 is located in the gap between the outer ring clamp 8 and the inner clamp 10.

[0032] Furthermore, when using this device, the user places the reflector with the raw material to be cut on the top of the shearing table 2. By connecting to an external power source, the two electric push rods 4 are activated. The two electric push rods 4 will drive the lifting plate 6 to move downward, thereby facilitating the contact and abutment of the cutting blade 18 with the reflector. Then, by connecting to an external power source, the two electric telescopic rods 5 are activated. The two electric telescopic rods 5 will drive the outer ring clamp 8 to move downward, so that the outer ring clamp 8 and the inner clamp 10 can simultaneously press the reflector against the top of the shearing table 2, thereby facilitating the clamping and positioning of the reflector. By connecting to an external power source, the drive motor 7 is activated. The drive motor 7 will drive the rotating frame 9 to rotate. The rotation of the rotating frame 9 will drive the cutting blade 18 to rotate, thereby enabling the reflector to be cut in a circular shape.

[0033] Furthermore, when using this device, the rotating frame 9 will press the connecting arc plate 13 on one side when it rotates. The connecting arc plate 13 will simultaneously drive the two outer limit sliders 15 and the two inner limit sliders 16 to slide through the four connecting columns 11 on it. This allows the two outer limit sliders 15 to slide inside the outer limit groove 12 and the two inner limit sliders 16 to slide inside the inner limit groove 14. This ensures uniform clamping of the reflector without affecting the normal cutting trajectory of the cutting tool 18. When the cutting tool 18 needs to be replaced, the bolts on the cutting tool 18 can be unscrewed by the user, making it easy to replace the cutting tool 18. Since the reflectors are mostly mass-produced and their specifications are unchanged, there is no need to arbitrarily adjust the positioning of the fixture.

[0034] With the cooperation of the outer ring clamp 8, inner clamp 10, outer limit slider 15, inner limit slider 16, connecting column 11 and connecting arc plate 13, the inner clamp 10 and the outer ring clamp 8 can be indirectly connected, so that the inner clamp 10 and the outer ring clamp 8 can be raised and lowered synchronously. This makes it easier for the inner clamp 10 and the outer ring clamp 8 to clamp and fix the inner and outer sides of the circular reflector, avoiding deformation of the reflector during shearing and further improving the production quality of circular reflector shearing.

[0035] Structural Description: Shear base 1: The basic structure supporting the entire fixture, providing stability and load-bearing capacity;

[0036] Shearing table 2: Fixed to the top of shearing base 1, used to place and position the reflector to be sheared;

[0037] Support frame 3: Fixed on the shear base 1, used to support and guide the vertical movement of the lifting plate 6;

[0038] Electric push rod 4: Installed on the top of the support frame 3, used to drive the lifting plate 6 to move up and down to achieve height adjustment;

[0039] Electric telescopic rod 5: Installed at the bottom of lifting plate 6, used to drive outer ring clamp 8 to move vertically, so as to achieve clamping and positioning;

[0040] Lifting plate 6: It is slidably connected between two support frames 3 and is used to support and connect components such as electric telescopic rod 5 and drive motor 7;

[0041] Outer ring clamp 8: Driven by electric telescopic rod 5, it is used to clamp the outer side of the reflector, providing external positioning and fixing functions;

[0042] Rotating frame 9: connects drive motor 7 and mounting cylinder 17, used to transmit power and support cutting blade 18;

[0043] Inner clamp 10: Located inside the outer ring clamp 8, it is used to clamp the inner side of the reflector and provides internal positioning and fixing functions;

[0044] Connecting post 11: Fixed to the top of the outer limiting slider 15 and the inner limiting slider 16, used to connect the connecting arc plate 13;

[0045] Connecting arc plate 13: connects the outer limiting slider 15 and the inner limiting slider 16, and is used to transmit clamping force and ensure the synchronous movement of the inner and outer clamps;

[0046] Outer limit slider 15: It is slidably connected in the outer limit groove 12 and is used to position and fix the outer ring clamp 8;

[0047] Inner limit slider 16: It is slidably connected in the inner limit slide groove 14 and is used to realize the positioning and fixing of the inner clamp 10;

[0048] Mounting cylinder 17: Fixed to the bottom of the rotating frame 9, used to mount and fix the cutting blade 18;

[0049] Cutting blade 18: It is fixed inside the mounting cylinder 17 by bolts and is used to cut the reflector with high precision.

[0050] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-precision shearing positioning jig for a retroreflective sheeting, characterized by, The utility model relates to a cutting device for cutting plate, including: Shearing base (1), the top of shearing base (1) is provided with cutting tool (18); Shearing positioning structure, shearing positioning structure is located on shearing base (1); Shearing positioning structure includes two support frames (3), two electric push rods (4), lifting plate (6), outer ring clamp (8) and two electric telescopic rods (5), two support frames (3) are all fixedly connected in the top of shearing base (1), two electric push rods (4) are all fixedly installed in the top of corresponding support frame (3); Wherein, lifting plate (6) is slidably connected in the opposite face of two support frames (3), and the telescopic end of two electric push rods (4) is slidably extended into the inside of corresponding support frame (3) and is fixedly connected with the top of lifting plate (6); Wherein, two electric telescopic rods (5) are all fixedly installed in the bottom of lifting plate (6), and the telescopic end of two electric telescopic rods (5) is fixedly connected with outer ring clamp (8), and the top of outer ring clamp (8) is provided with outer limiting sliding slot (12).

2. The high-precision shearing positioning jig for a retroreflective sheeting of claim 1 wherein: The shearing positioning structure further includes inner clamp (10), two outer limiting sliding blocks (15), two inner limiting sliding blocks (16) and two connecting arc plates (13), the inner clamp (10) is located in the inside of outer ring clamp (8), the top of inner clamp (10) is provided with inner upper limiting sliding slot (14), and two outer limiting sliding blocks (15) are slidably connected in the inside of outer limiting sliding slot (12); Wherein, two inner limiting sliding blocks (16) are slidably connected in the inside of inner upper limiting sliding slot (14), and the top of two outer limiting sliding blocks (15) and two inner limiting sliding blocks (16) is fixedly connected with two connecting columns (11), and both ends of two connecting arc plates (13) are fixedly connected with corresponding two connecting columns (11).

3. The high-precision shearing positioning jig for a retroreflective sheeting of claim 1 wherein: The bottom of lifting plate (6) is fixedly installed with drive motor (7), and the telescopic end of drive motor (7) is fixedly connected with rotating stand (9).

4. The high-precision shearing positioning jig for a retroreflective sheeting of claim 3 wherein: The bottom of rotating stand (9) is fixedly connected with mounting cylinder (17), and cutting tool (18) is fixedly installed in the inside of mounting cylinder (17) through bolt.

5. The high-precision shearing positioning jig for a retroreflective sheeting of claim 2 wherein: The cutting tool (18) is located in the gap between outer ring clamp (8) and inner clamp (10).

6. The high precision shearing positioning jig for a retroreflective sheeting of claim 1 wherein: The top of shearing base (1) is fixedly connected with shearing table (2).

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