Directional positioning holding and clamping device

Abstract

The utility model discloses a directional positioning holding and clamping device which comprises a bottom plate, a first air cylinder is fixedly connected to the bottom plate, two first moving plates are connected to the bottom plate in a sliding mode, the opposite ends of the two first moving plates are fixedly connected with connecting plates, the two connecting plates are fixedly connected with holding ring lower dies, and the holding ring lower dies are fixedly connected with holding ring upper dies. A center shaft is fixedly connected to the bottom plate, and a first sliding mechanism is arranged between the two first moving plates. The material taking clamping jaw grabs the material barrel through the abutted seam, fixed-angle positioning is achieved, and the abutted seam is kept at the top end all the time and does not incline; after materials are placed on the flexible clamp, centering, positioning and angle fixing of the materials are firstly achieved through the directional positioning clamping device, the precision is high during welding, and no deviation exists; after the grabbing mechanism is withdrawn, the second holding and clamping action is performed, so that the material is centered, jointed and pressed, and the joint is centered; through the scissor fork centering and positioning mechanism, precise centering and positioning of automatic single-side driving and two-way clamping are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a directional positioning clamping device. Background Art

[0002] A clamping device is required when clamping materials in a material barrel.

[0003] The existing technology has the following problems when clamping the material barrel:

[0004] 1. The existing equipment cannot achieve a fixed angle positioning for the joint before welding, which is prone to skewness, high error rate, low efficiency and high cost;

[0005] 2. The existing equipment cannot keep the material in the accurate center position during welding, which is prone to deviation, low accuracy, easy to make mistakes and high cost;

[0006] 3. Existing equipment cannot accurately center the material during the joint pressing, making it impossible to center the joint during welding, resulting in crooked and twisted welding;

[0007] 4. The existing equipment is for manual material placement, and cannot automatically position and center during welding, which is inaccurate and costly.

[0008] In order to solve the above problems, this application proposes a directional positioning clamping device. Utility Model Content

[0009] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a directional positioning clamping device is proposed, in which the material picking clamping claw grabs the material tube through the seam to achieve fixed angle positioning, so that the seam is always kept at the top and not skewed; after the material is placed on the flexible clamp, the directional positioning clamping device is used as the first step to realize the center positioning of the material at a fixed angle, and the welding is highly accurate and without deviation; after the grabbing mechanism is withdrawn, the second clamping action is performed to realize the center seam pressing of the material and the centering of the seam; through the scissor fork centering positioning mechanism, automatic single-side drive and precise center positioning of the two-way clamping are realized.

[0010] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0011] The cam is provided with a plurality of movable plates, the movable plates being arranged on the movable plate and the movable plates being arranged on the movable plate.

[0012] Preferably, the first sliding mechanism includes two first rotating rods rotatably connected to the outer wall of the central axis, the ends of the two first rotating rods are rotatably connected to the second sliders, a pair of the second sliders are respectively fixedly connected to the first movable plate, two second slide rails are fixedly connected to the bottom plate, and the two second sliders are respectively slidably connected to the second slide rails.

[0013] Preferably, the second sliding mechanism includes two second rotating rods rotatably connected to the outer wall of the central axis, the ends of the two second rotating rods are rotatably connected to the first sliding blocks, a pair of the first sliding blocks are respectively fixedly connected to the second movable plate, two first sliding rails are fixedly connected to the bottom plate, and the two first sliding blocks are respectively slidably connected to the first sliding rails.

[0014] Preferably, the first movable plate and the connecting plate are connected and fixed via a rib plate.

[0015] Preferably, a scissor-fork structure is formed between two of the first rotating rods and the central axis, and between two of the second rotating rods and the central axis.

[0016] Preferably, the opposite ends of the two ring-holding lower dies and the ring-holding upper dies are each provided with a protective layer, and the material of the protective layer is rubber.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The specially designed material-grabbing gripper grabs the formed material barrel through the seam and realizes fixed angle positioning.

[0019] 2. After the material is placed on the flexible clamp, the first step is the clamping action to achieve the centering and angle positioning of the material.

[0020] 3. After the grabbing mechanism is withdrawn, the second clamping action is performed to press the material in the center of the seam and to center the seam.

[0021] 4. The centering positioning mechanism is a scissor fork mechanism, which can achieve precise centering positioning, and can be driven on one side and clamped in both directions.

[0022] In summary, the material picking claw grabs the material barrel through the seam to achieve fixed angle positioning, so that the seam is always kept at the top and not skewed; after the material is placed on the flexible clamp, the directional positioning clamping device is used to first realize the center positioning of the material at a fixed angle, and the welding is highly accurate and without deviation; after the grabbing mechanism is withdrawn, the second clamping action is performed to achieve the center seam pressing of the material and the centering of the seam; the scissor fork centering positioning mechanism is used to realize automatic single-sided drive and precise center positioning of the two-way clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a top view of a directional positioning clamping device proposed by the utility model;

[0024] Figure 2 This is a bottom view of a directional positioning clamping device proposed by the utility model;

[0025] Figure 3 The present invention is a partial structural schematic diagram of a directional positioning clamping device proposed by the utility model.

[0026] In the figure: 1 bottom plate, 2 first cylinder, 3 first movable plate, 4 connecting plate, 5 ring holding lower die, 6 first rotating rod, 7 center axis, 8 second rotating rod, 9 connecting block, 10 ring holding upper die, 11 second cylinder, 12 second movable plate, 13 first slider, 14 first slide rail, 15 material picking clamp, 16 fixed plate, 17 second slide rail, 18 second slider. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Reference Figure 1-Figure 3A directional positioning clamping device comprises a bottom plate 1, a first cylinder 2 is fixedly connected to the bottom plate 1, two first movable plates 3 are slidably connected to the bottom plate 1, the output end of the first cylinder 2 is fixedly connected to the first movable plate 3 on the right, the opposite ends of the two first movable plates 3 are fixedly connected to connecting plates 4, the first movable plates 3 and the connecting plates 4 are connected and fixed by rib plates, the two connecting plates 4 are fixedly connected to the lower mold 5 of the clamping ring, the bottom plate 1 is fixedly connected to the center shaft 7, a first sliding mechanism is arranged between the two first movable plates 3, and the first sliding mechanism includes a first sliding mechanism connected to the center shaft 7 The outer wall of the two first rotating rods 6 is rotatably connected, and the first rotating rods 6 can be telescoped to change their own length. The two first rotating rods 6 and the central axis 7 form a scissors-fork structure. The ends of the two first rotating rods 6 are rotatably connected with second sliders 18. A pair of second sliders 18 are respectively fixedly connected to the first movable plate 3. Two second slide rails 17 are fixedly connected to the bottom plate 1. The two second sliders 18 are respectively slidably connected to the second slide rails 17. The first movable plates 3 on both sides move relatively, and the two first rotating rods 6 rotate synchronously with the central axis 7 as the rotation center.

[0029] A ring holding upper mold 10 is provided above the two ring holding lower molds 5, and a protective layer is provided at the opposite ends of the two ring holding lower molds 5 and the ring holding upper mold 10. The material of the protective layer is rubber, which can protect the material. The side wall of each ring holding upper mold 10 is fixedly connected to two connecting blocks 9, and the two connecting blocks 9 on the same side are commonly fixedly connected to a second movable plate 12. A second sliding mechanism is provided between the two second movable plates 12, and the second sliding mechanism includes two second rotating rods 8 rotatably connected to the outer wall of the central axis 7. The second rotating rod 8 can be telescoped to change its own length. The two second rotating rods 8 and the central axis 7 form a scissors fork structure, and the ends of the two second rotating rods 8 are rotatably connected to a first slider 13, a pair of first sliders 13 are respectively fixedly connected to the second movable plate 12, and two first slide rails 14 are fixedly connected to the bottom plate 1, and the two first sliders 13 are respectively slidably connected to the first slide rails 14. The second movable plates 12 on both sides move relatively, and the two second rotating rods 8 rotate synchronously with the central axis 7 as the rotation center.

[0030] A second cylinder 11 is fixedly connected to the bottom plate 1, and the output end of the second cylinder 11 is fixedly connected to the second movable plate 12 on the left. A material picking clamp 15 is provided above the two ring upper molds 10, and the material picking clamp 15 is connected to an external manipulator. The material barrel after forming is grabbed through the seam through the serrated structure designed specifically by the material picking clamp 15 to achieve fixed-angle positioning of the seam. Two fixed plates 16 are fixedly connected to the bottom of the bottom plate 1, and the fixed plates 16 are installed on the machine by bolts.

[0031] In the utility model, the material barrel after forming is grasped through the joint by the sawtooth structure designed specifically for the material taking clamping claw 15, so as to realize the fixed angle positioning of the joint.

[0032] The first step of clamping action of placing the material barrel in the fixture by driving the bottom plate 1 through an external manipulator: first, the first cylinder 2 pushes the first movable plate 3, the connecting plate 4 and the ring holding lower die 5 on the right to move, and the movement of the first movable plate 3 drives the two second sliders 18 on the right to slide on the second slide rail 17. During this process, the first rotating rod 6 rotates with the central axis 7 as the rotation center. The two first rotating rods 6 are a scissor fork structure, so that the two second sliders 18 on the left slide on the second slide rail 17, and the two second sliders 18 drive the first movable plate 3, the connecting plate 4 and the ring holding lower die 5 on the left to move, and the clamping movement of the ring holding lower die 5 on both sides is realized through the scissor fork structure to achieve the center positioning of the material in the fixture at a fixed angle.

[0033] The second step of clamping action: the second cylinder 11 pushes the second movable plate 12 and the ring holding upper die 10 on the left to move, and the movement of the second movable plate 12 drives the first slider 13 to slide on the first slide rail 14, and the two second rotating rods 8 rotate around the central axis 7 to move the second movable plate 12 and the ring holding upper die 10 on the right, and the clamping movement of the ring holding upper die 10 on both sides is realized through the scissor fork structure, so as to achieve the centering of the seam of the material and the centering of the seam.

[0034] Through the unilateral drive of the scissor fork structure, bidirectional clamping and precise center positioning are achieved.

Claims

1. A directional positioning clamping device, comprising a base plate (1), characterized in that: The bottom plate (1) is fixedly connected to a first cylinder (2), and two first movable plates (3) are slidably connected to the bottom plate (1). The output end of the first cylinder (2) is fixedly connected to the first movable plate (3) on the right side, and the opposite ends of the two first movable plates (3) are fixedly connected to connecting plates (4), and the two connecting plates (4) are fixedly connected to a ring-holding lower mold (5). The bottom plate (1) is fixedly connected to a central axis (7), and a first sliding mechanism is provided between the two first movable plates (3). A ring-holding upper mold ( 10), the side walls of each of the ring-holding upper dies (10) are fixedly connected to two connecting blocks (9), the two connecting blocks (9) on the same side are fixedly connected to a second movable plate (12), a second sliding mechanism is provided between the two second movable plates (12), a second cylinder (11) is fixedly connected to the bottom plate (1), the output end of the second cylinder (11) is fixedly connected to the second movable plate (12) on the left, a material taking clamp (15) is provided above the two ring-holding upper dies (10), and the bottom of the bottom plate (1) is fixedly connected to two fixed plates (16).

2. A directional positioning clamping device according to claim 1, characterized in that: The first sliding mechanism comprises two first rotating rods (6) rotatably connected to the outer wall of the central shaft (7), the ends of the two first rotating rods (6) are rotatably connected to second sliding blocks (18), a pair of the second sliding blocks (18) are respectively fixedly connected to the first movable plate (3), and two second slide rails (17) are fixedly connected to the bottom plate (1), and the two second sliding blocks (18) are respectively slidably connected to the second slide rails (17).

3. A directional positioning clamping device according to claim 2, characterized in that: The second sliding mechanism comprises two second rotating rods (8) rotatably connected to the outer wall of the central shaft (7), the ends of the two second rotating rods (8) are rotatably connected to the first sliding blocks (13), a pair of the first sliding blocks (13) are respectively fixedly connected to the second movable plate (12), and two first sliding rails (14) are fixedly connected to the bottom plate (1), and the two first sliding blocks (13) are respectively slidably connected to the first sliding rails (14).

4. A directional positioning clamping device according to claim 1, characterized in that: The first movable plate (3) and the connecting plate (4) are connected and fixed via a rib plate.

5. A directional positioning clamping device according to claim 3, characterized in that: A scissor-fork structure is formed between the two first rotating rods (6) and the central axis (7), and between the two second rotating rods (8) and the central axis (7).

6. A directional positioning clamping device according to claim 1, characterized in that: The two opposite ends of the ring-holding lower mold (5) and the ring-holding upper mold (10) are each provided with a protective layer, and the material of the protective layer is rubber.

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