Clamp structure for materials

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp structure for materials. Comprising two first sliding blocks (100), two second sliding blocks (200), a first rotating ring (300), a second rotating ring (400) and a second rotating ring (400), wherein the two first sliding blocks (100) and the two second sliding blocks (200) are arranged in a cross shape; the first rotating ring (300) is used for driving the two first sliding blocks (100) to do radial reciprocating motion; the second rotating ring (400) is used for driving the two second sliding blocks (200) to do radial reciprocating motion; and the driving mechanisms (500) rotate synchronously and are opposite in direction. Due to the adoption of the structural design, the clamping device comprises the two first sliding blocks, the two second sliding blocks, the first rotating ring, the second rotating ring and the driving mechanism, and the driving mechanism enables the two first sliding blocks and the two second sliding blocks to accurately clamp materials through the first rotating ring and the second rotating ring. And the problem of material tilting is avoided, and the material clamping stability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially a fixture structure for material. BACKGROUND

[0002] Metal processing refers to the production activities of human processing of materials with metal characteristics composed of metal elements or mainly metal elements, which is a process technology of processing metal materials into articles, parts and components, including large parts such as bridges and ships, and even fine components such as engines, jewelry and watches, which is widely used in different fields such as science, industry, art and handicraft. In order to facilitate the processing of metal by users, a clamp is needed to assist clamping during use.

[0003] In the prior art, the utility model discloses a center clamp for vertical machining center base of numerical control machine tool (CN217800363U), which comprises a machining table and a positioning block. The machining table bottom is fixedly installed with slide rails on both sides, and a drive motor is fixedly installed on one side of the machining table bottom. A screw rod is arranged in the inner wall of each slide rail, and a transmission belt is connected to the outer periphery of one end of each screw rod. The inner side of the positioning block is fixedly connected with a compression spring at the bottom. The drive motor drives the rotation of the screw rod on one side, and the transmission belt synchronously drives the two screw rod ends, so that the four positioning blocks slide in the same direction in the slide rail, thereby realizing the clamping of the four positioning blocks. However, the material is prone to upward warping during use, resulting in poor clamping stability or clamping misalignment.

[0004] Therefore, the prior art needs to be improved and improved. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a fixture structure for material, which has good clamping stability and can accurately clamp the material.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A fixture structure for material, comprising two first sliding blocks and two second sliding blocks arranged in a cross shape, a first rotating ring driving the two first sliding blocks to move radially, a second rotating ring driving the two second sliding blocks to move radially, and a driving mechanism driving the first rotating ring and the second rotating ring to rotate synchronously and in opposite directions.

[0008] As a further scheme of the present utility model, a first guide column which extends out of the center ring is arranged on the first sliding block towards the first rotating ring, the first guide column makes radial reciprocating motion in a first radial groove of the center ring and moves in a first straight limiting groove arranged on the first rotating ring; a second guide column which extends out of the center ring is arranged on the second sliding block towards the second rotating ring, the second guide column makes radial reciprocating motion in a second radial groove of the center ring and moves in a second straight limiting groove arranged on the second rotating ring.

[0009] As a further scheme of the present utility model, a first guide column which extends out of the center ring is arranged on the first sliding block towards the first rotating ring, the first guide column makes radial reciprocating motion in a first radial groove of the center ring and moves in a first straight limiting groove arranged on the first rotating ring; a second guide column which extends out of the center ring is arranged on the second sliding block towards the second rotating ring, the second guide column makes radial reciprocating motion in a second radial groove of the center ring and moves in a second straight limiting groove arranged on the second rotating ring.

[0010] As a further scheme of the present utility model, the first rotating ring, the second rotating ring and the center ring are arranged in a circular cavity of a cylindrical body, the center ring is fixed to the inner wall of the circular cavity, and the first rotating ring and the second rotating ring are rotatably arranged in the circular cavity.

[0011] As a further scheme of the present utility model, the cylindrical body comprises a base plate, a first supporting column and a second supporting column which are oppositely arranged on the base plate, and a limiting ring which is arranged on the first supporting column and the second supporting column, and a first gap and a second gap are formed between the first supporting column and the second supporting column.

[0012] As a further scheme of the present utility model, the driving mechanism comprises a fixed block, a driving block which is slidably arranged in a sliding groove of the fixed block, a driving shaft which drives the driving block to make linear reciprocating motion along the sliding groove, a driving rod which is arranged on the driving block, and a first connecting rod and a second connecting rod which are respectively connected to two free ends of the driving rod.

[0013] As a further scheme of the present utility model, the fixed block is arranged on the outer wall of the cylindrical body corresponding to the first supporting column.

[0014] As a further scheme of the present utility model, the cross section of the sliding groove is trapezoidal.

[0015] As a further scheme of the present utility model, the first connecting rod is further connected to a first protrusion which extends out of the first gap on the first rotating ring, and the second connecting rod is further connected to a second protrusion which extends out of the second gap on the second rotating ring.

[0016] As a further scheme of the present utility model, the cylindrical body is arranged on a base plate.

[0017] Compared with the prior art, the utility model discloses the beneficial effects are:

[0018] Because adopt above -mentioned structural design, including two first sliding blocks, two second sliding blocks, first rotary ring, a second rotary ring and drive mechanism, drive mechanism through first rotary ring and second rotary ring make two first sliding blocks and two second sliding blocks realize the accurate clamping of material, avoid the problem that material rises, and clamping material stability is good. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHED Fig. 1 It is the structural schematic diagram of the utility model embodiment;

[0020] ATTACHED Fig. 2 It is the exploded structural schematic diagram of the utility model embodiment;

[0021] ATTACHED Fig. 3 It is the structural schematic diagram of the cylinder of the utility model embodiment.

[0022] The respective marks in the drawing are:

[0023] 100-first sliding block, 200-second sliding block, 300-first rotary ring, 400-second rotary ring, 500-drive mechanism, 600-center ring, 700-cylinder, 800-base plate;

[0024] 601-first sliding groove, 602-second sliding groove, 603-first radial groove, 604-second radial groove;

[0025] 101-first guide column;

[0026] 201-second guide column;

[0027] 301-first straight limit slot, 302-first protrusion;

[0028] 401-second straight limit slot, 402-second protrusion;

[0029] 701-circular cavity, 702-bottom disc, 703-first support column, 704-second support column, 705-limit ring, 706-first gap, 707-second gap;

[0030] 501-fixed block, 502-drive block, 503-drive shaft, 504-drive rod, 505-first connecting rod, 506-second connecting rod. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings below. Obviously, the described embodiments are 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] In order to facilitate the understanding of the present embodiment, first, a sweeping machine oscillating mechanism disclosed in the embodiments of the utility model is introduced in detail.

[0033] Embodiment:

[0034] As Figs. 1-3 , the clamp structure for material of the application comprises two first sliders 100 and two second sliders 200 arranged in a cross, a first rotating ring 300 driving the two first sliders 100 to make radial reciprocating motion, a second rotating ring 400 driving the two second sliders 200 to make radial reciprocating motion, and a driving mechanism 500 driving the first rotating ring 300 and the second rotating ring 400 to rotate synchronously and in opposite directions. Through the above structure design, the two first sliders 100 and the two second sliders 200 arranged in a cross form a material processing position between them. When the material is placed in the material processing position, the driving mechanism 500 drives the first rotating ring 300 and the second rotating ring 400 to rotate in opposite directions and synchronously. The first rotating ring 300 drives the two first sliders 100 to move towards the material, and the second rotating ring 400 drives the two second sliders 200 to also move towards the material. That is, the four directions of the material are clamped by the two first sliders 100 and the two second sliders 200. Not only is the clamping accurate, but also the clamping stability is good, and the problem of material lifting during use can also be well avoided. In the present embodiment, the end face of the first slider 100 and the second slider 200 close to the material is a plane, which facilitates clamping of rectangular materials. Of course, the end face of the first slider 100 and the second slider 200 close to the material can also be an arc surface or an irregular surface, etc., to adapt to the clamping needs of materials of different shapes.

[0035] Specifically, a center ring 600 is arranged between the first rotating ring 300 and the second rotating ring 400, the first slider 100 is slidingly installed in a first sliding groove 601 of the center ring 600, and the second slider 200 is slidingly installed in a second sliding groove 602 of the center ring 600.

[0036] Specifically, the first slider 100 is provided with a first guide column 101 extending out of the center ring 600, the first guide column 101 makes radial reciprocating motion in a first radial slot 603 of the center ring 600 and moves in a first linear limiting slot 301 provided on the first rotating ring 300, two first linear limiting slots 301 are symmetrically arranged about the center of the first rotating ring 300; the second slider 200 is provided with a second guide column 201 extending out of the center ring 600, the second guide column 201 makes radial reciprocating motion in a second radial slot 604 of the center ring 600 and moves in a second linear limiting slot 401 provided on the second rotating ring 400, two second linear limiting slots 401 are symmetrically arranged about the center of the second rotating ring 400, therefore, when the first rotating ring 300 rotates clockwise, the first rotating ring 300 forces the first guide column 101 located in the first linear limiting slot 301 to move in the first radial slot 603 towards the material; at this time, the second rotating ring 400 rotates counterclockwise, the second rotating ring 400 forces the second guide column 201 located in the second linear limiting slot 401 to move in the second radial slot 604 towards the material; thereby the two first sliders 100 and the two second sliders 200 together complete the clamping of the material.

[0037] Specifically, the first rotating ring 300, the second rotating ring 400 and the center ring 600 are arranged in a circular cavity 701 of a cylindrical body 700, the cylindrical body 700 is installed on a base plate 800, the center ring 600 is fixed on the inner wall of the circular cavity 701, the first rotating ring 300 and the second rotating ring 400 are rotatably installed in the circular cavity 701; the cylindrical body 700 includes a base plate 702, a first support column 703 and a second support column 704 oppositely arranged on the base plate 702, and a limiting ring installed on the first support column 703 and the second support column 704, a first gap 705 and a second gap 706 are formed between the first support column 703 and the second support column 704.

[0038] Specifically, the driving mechanism 500 comprises a fixed block 501 arranged at the outer wall of the cylinder 700 corresponding to the first supporting column 703, a driving block 502 slidingly arranged in a sliding groove of the fixed block 501, the sliding groove being in a trapezoidal cross section, a driving shaft 503 driving the driving block 502 to make linear reciprocating motion in the sliding groove, the driving shaft 503 penetrating through the driving block 502 and extending out of the fixed block 501, a driving rod 504 arranged on the driving block 502, and a first connecting rod 505 and a second connecting rod 506 connected with two free ends of the driving rod 504 respectively; during operation, the driving shaft 503 is connected with the output end of a power source, such as the piston rod of a cylinder, the power source drives the driving shaft 503 to make linear motion, the driving shaft 503 drives the driving block 502 to make linear motion in the sliding groove, the driving block 502 drives the first connecting rod 505 and the second connecting rod 506 to move through the driving rod 504, and further drives the first rotating ring 300 and the second rotating ring 400 to make rotating motion.

[0039] Specifically, the first connecting rod 505 is further connected with the first protrusion 302 extending out of the first notch 706 on the first rotating ring 300, and the second connecting rod 506 is further connected with the second protrusion 402 extending out of the second notch 707 on the second rotating ring 400.

[0040] In summary, the utility model discloses the structure design of above, solve the deficiency in the prior art, with reasonable structure, clamping stability is good, clamping accuracy higher characteristics.

[0041] In addition, in the description of the embodiment of the utility model, unless otherwise clear and definite, the terms "mount", "connect", "connect" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, so it can not be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0043] It should be pointed out finally that the above embodiments are only specific embodiments of the present application, used to explain the technical solutions of the present application, rather than limit the same. The protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features therein, within the technical range disclosed by the present application. Such modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A clamping structure for materials, characterized in that: The application relates to a driving mechanism for a rotary table, which comprises two first sliders (100) and two second sliders (200) arranged in a cross shape, a first rotating ring (300) for driving the two first sliders (100) to move in a radial direction, a second rotating ring (400) for driving the two second sliders (200) to move in a radial direction, and a driving mechanism (500) for driving the first rotating ring (300) and the second rotating ring (400) to rotate synchronously and in opposite directions.

2. The jig structure for material according to claim 1, characterized by: A central ring (600) is arranged between the first rotating ring (300) and the second rotating ring (400), the first slider (100) is slidingly installed in a first sliding groove (601) of the central ring (600), and the second slider (200) is slidingly installed in a second sliding groove (602) of the central ring (600).

3. The jig structure for material according to claim 2, characterized by: A first guide column (101) extending out of the central ring (600) is arranged on the first rotating ring (300) towards the first slider (100), the first guide column (101) moves in a first radial groove (603) of the central ring (600) and moves in a first straight limiting groove (301) arranged on the first rotating ring (300); a second guide column (201) extending out of the central ring (600) is arranged on the second rotating ring (400) towards the second slider (200), the second guide column (201) moves in a second radial groove (602) of the central ring (600) and moves in a second straight limiting groove (401) arranged on the second rotating ring (400).

4. The jig structure for material according to claim 3, characterized by: The first rotating ring (300), the second rotating ring (400) and the central ring (600) are arranged in a circular cavity (701) of a cylindrical body (700), the central ring (600) is fixed to the inner wall of the circular cavity (701), and the first rotating ring (300) and the second rotating ring (400) are rotatably installed in the circular cavity (701).

5. The jig structure for material according to claim 4, characterized by: The cylindrical body (700) comprises a bottom disc (702), a first supporting column (703) and a second supporting column (704) oppositely arranged on the bottom disc (702), and a limiting ring (705) installed on the first supporting column (703) and the second supporting column (704), a first gap (706) and a second gap (707) are formed between the first supporting column (703) and the second supporting column (704).

6. The jig structure for material according to claim 5, characterized by: The driving mechanism (500) comprises a fixed block (501), a driving block (502) slidingly installed in a sliding groove of the fixed block (501), a driving shaft (503) for driving the driving block (502) to move linearly along the sliding groove, a driving rod (504) installed on the driving block (502), and a first connecting rod (505) and a second connecting rod (506) connected to two free ends of the driving rod (504) respectively.

7. The jig structure for material according to claim 6, characterized by: The fixed block (501) is arranged on the outer wall of the cylinder (700) corresponding to the first support column (703).

8. The jig structure for material according to claim 7, characterized by: The cross section of the sliding groove is trapezoidal.

9. The jig structure for material according to claim 6, characterized by: The first connecting rod (505) is further connected with the first protrusion (302) of the first rotating ring (300) which protrudes out of the first notch (706), and the second connecting rod (506) is further connected with the second protrusion (402) of the second rotating ring (400) which protrudes out of the second notch (707).

10. The jig structure for material according to claim 5, characterized by: The cylinder (700) is mounted on a base plate (800).

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