Circular tube clamp

Abstract

The utility model relates to the field of machining clamps, and discloses a round pipe clamp which comprises a first frame and two mechanical claws, fixing plates are arranged at the bottoms of the front side and the rear side of the first frame, installation blocks are fixedly connected to the left inner side wall and the right inner side wall of the first frame, and the installation blocks extend towards the top and the bottom of the first frame. A reinforcing strip is fixedly connected between the tops of the centers of the front side and the rear side of the upper portion of the first frame, a two-way lead screw is rotationally connected between the opposite side walls of the two mounting blocks, the two ends of the two-way lead screw are rotationally connected with the two mounting blocks correspondingly, and the two-way lead screw penetrates through the reinforcing strip and is rotationally connected with the reinforcing strip. The outer walls of the two ends of the bidirectional lead screw are fixedly connected with first gears in a sleeving mode, the opposite side walls of the two mounting blocks are rotationally connected with second gears, the second gears are located below the first gears and engaged with the first gears, and the fixing plate is fixedly connected to the bottoms of the reinforcing strips.

Description

Technical Field

[0001] The utility model relates to the field of processing fixtures, in particular to a round tube fixture. Background Art

[0002] During the processing of round tubes, clamps are needed to fix and clamp the round tubes for cutting, grinding, welding and other operations. Current round tube clamps are generally clamped manually or pneumatically, which is inconvenient to operate and has low precision and cannot meet the needs of high-precision processing. In addition, current clamps have poor adaptability and cannot adapt to round tubes of different lengths and diameters. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings, the utility model provides a round tube clamp.

[0004] The technical solution adopted by this utility model:

[0005] A round tube clamp comprises a frame and two mechanical claws, wherein the front and rear bottoms of the frame are provided with fixing plates, the left and right inner side walls of the frame are fixedly connected with mounting blocks, the mounting blocks extend toward the top and bottom of the frame, a reinforcement strip is fixedly connected between the tops of the front and rear central parts of the upper part of the frame, a bidirectional screw rod is rotatably connected between the opposite side walls of the two mounting blocks, the two ends of the bidirectional screw rod are respectively rotatably connected with the two mounting blocks, the bidirectional screw rod passes through the reinforcement strip, the bidirectional screw rod is rotatably connected with the reinforcement strip, the outer walls of the two ends of the bidirectional screw rod are fixedly sleeved and connected with a gear, and the opposite side walls of the two mounting blocks are rotatably connected. The frame is dynamically connected with gear 2, which is located below gear 1 and meshes with gear 1. A fixed plate is fixedly connected to the bottom of the reinforcement strip, a servo motor is fixedly connected to the bottom of the fixed plate, and the output shaft of the servo motor is fixedly connected to one of the gears 2. The top front and rear sides of frame 1 are fixedly connected with slide rails, which extend left and right and penetrate the reinforcement strip. The left and right sides of the reinforcement strip are provided with slides, which are threadedly connected to the bidirectional lead screw, and the front and rear ends of the slide are slidably connected to the slide rails. The two mechanical claws are respectively fixedly connected to the central tops of the two slides, and the opening and closing directions of the two mechanical claws are both front and back.

[0006] The mechanical claw includes a cylinder, a frame 2, a connecting plate 3, a clamping arm 1, a cross plate, a connecting plate 1, a connecting plate 2 and a clamping arm 2. The cylinder is fixed on the upper part of the slide, and the cylinder has a frame 2 outside. The frame 2 is fixed on the upper part of the slide. The opposite side walls of the upper part of the frame 2 are rotatably connected to the bottoms of the two connecting plates 3 and the bottoms of the two clamping arms 2 respectively. The upper parts of the two connecting plates 3 and the middle parts of the two clamping arms 2 respectively penetrate the shaft 1 and the shaft 2. The two connecting plates 3 and the upper parts of the two clamping arms 2 are fixedly connected to the through shaft 1 and the shaft 2 respectively. The upper parts of the two connecting plates 3 have clamping arms 1 and shaft 1 on both sides. The two ends respectively pass through the bottom ends of the two clamping arms, shaft one is fixedly connected to the bottom end of clamping arm one, the upper part of the output shaft of the cylinder is fixedly connected to the cross plate, the output shaft of the cylinder passes through the top of frame two, the output shaft of the cylinder slides with the top of frame two, the two ends of the cross plate are rotatably connected to the bottom ends of connecting plate one and connecting plate two, the upper end of connecting plate one and the upper end of connecting plate two are rotatably connected to shaft two and shaft one respectively, shaft two and shaft one pass through the upper end of connecting plate one and the upper end of connecting plate two respectively, the upper end of connecting plate one is between the two clamping arms two, and the upper end of connecting plate two is between the two connecting plates three.

[0007] Beneficial effects of the utility model:

[0008] The utility model adopts a servo motor, gear transmission and screw slide system, which can achieve high-precision position adjustment. The mechanical claws can automatically clamp and fix the round tube, which reduces the labor intensity of workers and improves production efficiency. By adjusting the spacing of the mechanical claws, it can adapt to round tubes of different lengths and diameters, expanding its scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0010] Figure 2 yes Figure 1 Schematic diagram of the structure turned upside down 90 degrees;

[0011] Figure 3 This is a schematic diagram of the structure of the utility model Figure 2 .

[0012] The specific reference numerals in all the drawings are: 1. Frame 1; 2. Mechanical claw; 3. Fixed plate; 4. Mounting block; 5. Reinforcement strip; 6. Bidirectional screw; 7. Gear 1; 8. Gear 2; 9. Servo motor; 10. Slide rail; 11. Slide table. DETAILED DESCRIPTION

[0013] like Figure 1-3As shown: the front and rear bottoms of the frame 1 are provided with a fixing plate 3, the left and right inner side walls of the frame 1 are fixedly connected with mounting blocks 4, the mounting blocks 4 extend toward the top and bottom of the frame 1, a reinforcing strip 5 is fixedly connected between the top of the front and rear central parts of the upper part of the frame 1, a bidirectional screw rod 6 is rotatably connected between the opposite side walls of the two mounting blocks 4, the two ends of the bidirectional screw rod 6 are rotatably connected with the two mounting blocks 4 respectively, the bidirectional screw rod 6 passes through the reinforcing strip 5, the bidirectional screw rod 6 is rotatably connected with the reinforcing strip 5, the outer walls at both ends of the bidirectional screw rod 6 are fixedly sleeved with a gear 7, the opposite side walls of the two mounting blocks 4 are rotatably connected with a gear 2 8, the gear 2 8 is in the Below gear 1 7, gear 2 8 is meshed with gear 1 7, the fixed plate 3 is fixedly connected to the bottom of the reinforcement strip 5, the bottom of the fixed plate 3 is fixedly connected to a servo motor 9, the output shaft of the servo motor 9 is fixedly connected to one of the gears 2 8, the top front and rear sides of the frame 1 are fixedly connected with slide rails 10, the slide rails 10 extend left and right and penetrate the reinforcement strip 5, the left and right sides of the reinforcement strip 5 are provided with slides 11, the slides 11 are threadedly connected to the bidirectional lead screw 6, the front and rear ends of the slides 11 are slidably connected to the slide rails 10, the two mechanical claws 2 are respectively fixedly connected to the central tops of the two slides 11, and the opening and closing directions of the two mechanical claws 2 are both front and back.

[0014] The mechanical claw 2 includes a cylinder 201, a frame 202, a connecting plate 3 203, a clamping arm 1 204, a cross plate 205, a connecting plate 1 206, a connecting plate 207 and a clamping arm 2 208. The cylinder 201 is fixed on the upper part of the slide 11. The cylinder 201 has a frame 202 on the outside. The frame 202 is fixed on the upper part of the slide 11. The opposite side walls of the upper part of the frame 202 are respectively rotatably connected to the bottom of the two connecting plates 3 203 and the bottom of the two clamping arms 208. The upper parts of the two connecting plates 3 203 and the middle parts of the two clamping arms 208 are respectively penetrated by the shaft 1 209 and the shaft 2 210. The two connecting plates 3 203 and the upper parts of the two clamping arms 208 are respectively fixedly connected to the through shaft 1 209 and the shaft 2 210. The two connecting plates 3 203 and the upper parts of the two clamping arms 208 are respectively provided with clamping arms 1 204 on both sides of the upper parts of the two connecting plates 3 203. The two ends of shaft 1 209 respectively pass through the bottom ends of the two clamping arms 1 204, shaft 1 209 is fixedly connected to the bottom ends of clamping arms 1 204, the upper part of the output shaft of cylinder 201 is fixedly connected to the cross plate 205, the output shaft of cylinder 201 passes through the top of frame 202, the output shaft of cylinder 201 slides with the top of frame 202, the two ends of cross plate 205 are rotatably connected to the bottom ends of connecting plate 1 206 and connecting plate 2 207 respectively, the upper ends of connecting plate 1 206 and connecting plate 2 207 are rotatably connected to shaft 2 210 and shaft 1 209 respectively, shaft 2 210 and shaft 1 209 respectively pass through the upper ends of connecting plate 1 206 and connecting plate 2 207 respectively, the upper end of connecting plate 1 206 is between the two clamping arms 208, and the upper end of connecting plate 2 207 is between the two connecting plates 3 203.

[0015] The clamp is fixed on the top of the processing table. When in use, according to the length of the round tube to be clamped, the servo motor 9 is started to drive the gear 2 8 to rotate, and the gear 1 7 is used to drive the bidirectional screw 6 to rotate, and the two slides 11 are driven to move closer or farther along the slide rail 10, so as to adjust the distance between the two mechanical claws 2 to adapt to round tubes of different lengths. The two mechanical claws 2 are used to clamp and fix the round tube for the next step of processing. The utility model only protects the mechanical part, and the functions realized by the software control part are not within the protection scope of the utility model.

Claims

1. A round tube clamp, comprising a frame (1) and two mechanical claws (2), characterized in that: The front and rear bottoms of the frame 1 (1) are provided with a fixing plate (3), the left and right inner side walls of the frame 1 (1) are fixedly connected with mounting blocks (4), the mounting blocks (4) extend toward the top and bottom of the frame 1 (1), a reinforcing strip (5) is fixedly connected between the front and rear center tops of the upper part of the frame 1 (1), a bidirectional screw rod (6) is rotatably connected between the opposite side walls of the two mounting blocks (4), the two ends of the bidirectional screw rod (6) are rotatably connected to the two mounting blocks (4), the bidirectional screw rod (6) passes through the reinforcing strip (5), the bidirectional screw rod (6) is rotatably connected to the reinforcing strip (5), the outer walls of the two ends of the bidirectional screw rod (6) are fixedly sleeved and connected to the gear 1 (7), the opposite side walls of the two mounting blocks (4) are rotatably connected with the gear 2 (8), the gear 2 (8) is located at the gear Below the wheel one (7), the gear two (8) meshes with the gear one (7), the fixed plate (3) is fixedly connected to the bottom of the reinforcement strip (5), the bottom of the fixed plate (3) is fixedly connected to a servo motor (9), the output shaft of the servo motor (9) is fixedly connected to one of the gear two (8), the top front and rear sides of the frame one (1) are fixedly connected to slide rails (10), the slide rails (10) extend left and right and penetrate the reinforcement strip (5), the left and right sides of the reinforcement strip (5) are provided with slide platforms (11), the slide platform (11) is threadedly connected to the bidirectional lead screw (6), the front and rear ends of the slide platform (11) are slidably connected to the slide rails (10), the two mechanical claws (2) are respectively fixedly connected to the central tops of the two slide platforms (11), and the opening and closing directions of the two mechanical claws (2) are both front and back.

2. A round tube clamp according to claim 1, characterized in that: The mechanical claw (2) comprises a cylinder (201), a frame (202), a connecting plate (203), a clamping arm (204), a cross plate (205), a connecting plate (206), a connecting plate (207) and a clamping arm (208). The cylinder (201) is fixed on the upper part of the slide table (11). The cylinder (201) has a frame (202) outside. The frame (202) is fixed on the upper part of the slide table (11). The upper part of the frame (202) has a side opposite to the side. The walls are rotatably connected to the bottom of the two connecting plates 3 (203) and the bottom of the two clamping arms 2 (208), the upper parts of the two connecting plates 3 (203) and the middle parts of the two clamping arms 2 (208) respectively penetrate the shaft 1 (209) and the shaft 2 (210), the two connecting plates 3 (203) and the upper parts of the two clamping arms 2 (208) are respectively fixedly connected to the through-shaft 1 (209) and the shaft 2 (210), and the upper parts of the two connecting plates 3 (203) are respectively provided with the clamping arms 1 (2 04), the two ends of the shaft one (209) respectively penetrate the bottom ends of the two clamping arms one (204), the shaft one (209) is fixedly connected to the bottom end of the clamping arm one (204), the upper part of the output shaft of the cylinder (201) is fixedly connected to the cross plate (205), the output shaft of the cylinder (201) penetrates the top of the frame two (202), the output shaft of the cylinder (201) is slidably matched with the top of the frame two (202), the two ends of the cross plate (205) are respectively connected to the bottom end of the connecting plate one (206) and the connecting plate one (206). The bottom end of the second connecting plate (207) is rotatably connected, and the upper ends of the first connecting plate (206) and the second connecting plate (207) are rotatably connected to the second shaft (210) and the first shaft (209) respectively. The second shaft (210) and the first shaft (209) respectively penetrate the upper ends of the first connecting plate (206) and the second connecting plate (207). The upper end of the first connecting plate (206) is between the two second clamping arms (208), and the upper end of the second connecting plate (207) is between the two third connecting plates (203).

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