Square elbow clamping tool

Abstract

The utility model relates to the technical field of tool clamps, and particularly discloses a square elbow clamping tool which comprises a bearing frame and a positioning frame connected in the bearing frame in a sliding mode, a plurality of sets of clamping frames are connected in the positioning frame in a sliding mode, each set of clamping frames comprises two clamping frames, and the two clamping frames are connected in the positioning frame in an opposite sliding mode. A plurality of groups of positioning grooves for mounting square elbow workpieces are formed between each clamping frame and the positioning frame; a trigger piece is arranged between the positioning frame and the bearing frame, and a driving piece used for driving the positioning frame to vertically slide is arranged in the bearing frame. The positioning frame is driven by the driving piece to slide towards the interior of the bearing frame, the two corresponding clamping frames are driven by the triggering piece to slide oppositely in the sliding stroke of the positioning frame, the two clamping frames are matched with the corresponding frames correspondingly, and the square elbow workpiece is fixed. And the working efficiency of the clamping work can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a right-angle elbow clamping tool. Background Art

[0002] Right-angle elbows are mainly used to connect two pipes for the purpose of transition and reversing. Nowadays, right-angle elbows are basically connected to external pipes through external threads or external threads.

[0003] Most of the existing right-angle elbow welding tools first spot-weld the two parts and then tighten the workpiece with screws on both sides. Since the workpiece lacks end faces and angle limits, it is impossible to accurately position the workpiece. Before each welding, the workpiece needs to be constantly adjusted and debugged, which takes a lot of time and the positioning accuracy is not ideal, and it is impossible to meet the rhythm requirements of mass production. In order to solve the above technical problems, relevant patents have been proposed in the prior art, such as the application number 202321309242.X, the authorization publication number CN219852932U, and the invention name is a Chinese patent for right-angle elbow welding, a right-angle elbow welding tool, comprising a first base plate and a second base plate inclined at a preset angle and fixedly connected, the first base plate being connected to an external welding device, and the second base plate being provided with a limiting groove, a limiting threaded hole and an adjustment block, the limiting groove being located in the middle of the second base plate and matching one end of the right-angle elbow, a locking member being provided in the limiting threaded hole for limiting the end of the right-angle elbow in the limiting groove, the adjustment block being fixedly installed on one end of the second base plate away from the first base plate, a guide hole being provided on the adjustment block, a guide rod being connected in the guide hole, and a V-shaped block matching the outer ring of the right-angle elbow being connected to one end of the guide rod close to the right-angle elbow.

[0004] In the above patent, the right-angle elbow is inserted into the limiting groove, and the right-angle elbow is limited based on the V-block, and then the right-angle elbow is positioned using the limiting hole, which can achieve precise positioning of the right-angle elbow and has the characteristics of simple structure and high welding efficiency. However, it is well known that in order to improve welding efficiency, it is usually necessary to fix multiple groups of direct elbow workpieces synchronously. However, in the existing technology such as the above patent, only one direct elbow can be fixed separately. After the processing is completed, the right-angle elbow needs to be completed before the next direct elbow can be welded, which greatly affects the work efficiency and has certain shortcomings. Utility Model Content

[0005] The purpose of the present utility model is to provide a right-angle elbow clamping tool to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a right-angle elbow clamping tool, comprising a supporting frame and a positioning frame slidably connected to the supporting frame, wherein multiple groups of clamping frames are slidably connected to the positioning frame, each group of clamping frames has two clamping frames, and the two clamping frames are slidably connected to each other inside the positioning frame, and multiple groups of positioning grooves for installing right-angle elbow workpieces are provided between each clamping frame and the positioning frame; a trigger member is provided between the positioning frame and the supporting frame, and a driving member for driving the positioning frame to slide vertically is provided inside the supporting frame, and the driving member drives the clamping frame to slide through the trigger member during the downward sliding stroke of the positioning frame, and cooperates with the positioning frame to fix the right-angle elbow workpiece installed in the positioning groove.

[0007] Furthermore, the trigger member includes connecting rods fixedly connected to both sides of the clamping frame, and each connecting rod is fixedly connected to a force block; a driving block is fixedly connected to the inside of the supporting frame, and when the positioning frame slides downward, the driving block drives the two force blocks to slide toward each other.

[0008] Furthermore, a sliding groove is provided on the positioning frame, the two connecting rods are slidably connected in the sliding groove, and a return spring is provided between the two connecting rods, and the elastic force of the return spring drives the two connecting rods to move away from each other.

[0009] Furthermore, the driving member includes a pressure block fixedly connected to the bottom of the positioning frame, and the carrying frame is provided with a driving part for driving the pressure block to slide downward.

[0010] Furthermore, the driving part includes an extrusion block horizontally slidably connected to the inside of the carrying frame, a wedge-shaped pressure groove is provided on the pressure block, and a servo cylinder for driving the extrusion block to slide is provided on the carrying frame.

[0011] Furthermore, there are two pressure blocks, which are respectively arranged on both sides of the bottom of the positioning frame. A pressure block is slidably connected in each extrusion block. The two pressure blocks are fixedly connected by a connecting frame, and the connecting frame is arranged on the output end of the servo cylinder.

[0012] Furthermore, a plurality of connection springs are provided between the carrying frame and the positioning frame, and elastic forces of the connection springs drive the positioning frame away from the carrying frame.

[0013] Furthermore, a plurality of groups of limiting members are provided between the positioning frame and the carrying frame to improve the stability of the positioning frame when sliding inside the carrying frame.

[0014] Furthermore, the limiting member includes a limiting block fixedly connected to the positioning frame, a limiting groove adapted to the limiting block is provided inside the carrying frame, and the limiting block is slidably connected in the limiting groove.

[0015] Furthermore, a plurality of positioning members are provided on the bottom of the carrying frame.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the coordination between the right-angle elbow clamping tool, the supporting frame, the positioning frame, the clamping frame, the positioning groove, the trigger member and the driving member, so that during use, multiple groups of right-angle elbow workpieces are respectively installed between the clamping frame and the positioning frame through the positioning groove. After the installation is completed, the positioning frame is driven to slide toward the inside of the supporting frame by the driving member, and the two corresponding clamping frames are driven to slide toward each other during the sliding stroke of the positioning frame by the trigger member, and the right-angle elbow workpiece is fixed by cooperating with the corresponding frames. After that, the fixed right-angle elbow can be welded by an additional welding assembly. Compared with the prior art, which can only fix, weld and unlock the right-angle elbows one by one, the working efficiency of the clamping work can be greatly improved, and it is suitable for wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present utility model;

[0019] Figure 2 A schematic diagram of the overall top view structure provided by an embodiment of the utility model;

[0020] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure along the middle line AA;

[0021] Figure 4 A schematic diagram of the structure of the carrying frame and the positioning frame in the unfolded state provided by an embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the positioning frame structure provided by an embodiment of the present utility model;

[0023] Figure 6 A schematic diagram of the structure of the installation method of the driving member provided in an embodiment of the utility model;

[0024] Figure 7 This is a schematic structural diagram of the clamping frame provided in an embodiment of the present utility model.

[0025] Explanation of the accompanying drawings: 1. Carrying frame; 2. Positioning frame; 3. Clamping frame; 4. Positioning groove; 5. Force block; 6. Slide groove; 7. Connecting rod; 8. Return spring; 9. Driving block; 10. Limit block; 11. Limit groove; 12. Pressure block; 13. Pressure groove; 14. Extrusion block; 15. Connecting frame; 16. Servo cylinder; 17. Connecting spring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-7 The utility model provides a technical solution: a right-angle elbow clamping tool, including a carrying frame 1 and a positioning frame 2 slidably connected to the carrying frame 1, multiple groups of clamping frames 3 are slidably connected inside the positioning frame 2, and each group of clamping frames 3 has two, and the two clamping frames 3 are slidably connected to the inside of the positioning frame 2, and multiple groups of positioning grooves 4 for installing right-angle elbow workpieces are opened between each clamping frame 3 and the positioning frame 2; a trigger member is provided between the positioning frame 2 and the carrying frame 1, and a driving member for driving the positioning frame 2 to slide vertically is provided inside the carrying frame 1, and the driving member drives the clamping frame 3 to slide during the downward sliding stroke of the positioning frame 2, and cooperates with the positioning frame 2 to fix the right-angle elbow workpiece installed in the positioning groove 4.

[0028] Specifically, the right-angle elbow clamping tool includes a supporting frame 1 and a positioning frame 2 that is slidably connected to the supporting frame 1. There are multiple groups of clamping frames 3 that are slidably connected to the positioning frame 2. Specifically, there can be two groups of clamping frames 3, which are respectively arranged on both sides of the positioning frame 2. There are two clamping frames 3 in each group, and the two clamping frames 3 are connected to the positioning frame 2 in a sliding manner to meet work needs. There are multiple groups of positioning grooves 4 for installing right-angle elbow workpieces between each clamping frame 3 and the positioning frame 2, which is convenient for installing the right-angle elbow workpiece inside the positioning groove 4 and performing welding operations after fixing it. A trigger member is provided between the positioning frame 2 and the supporting frame 1, and a driving member for driving the positioning frame 2 to slide vertically is provided inside the supporting frame 1. During the downward sliding stroke of the driving member, the clamping frame 3 is driven to slide by the trigger member, and the right-angle elbow workpiece installed in the positioning groove 4 is fixed in cooperation with the positioning frame 2. Therefore, during use, multiple groups of right-angle elbow workpieces are respectively installed between the clamping frame 3 and the positioning frame 2 through the positioning groove 4. After the installation is completed, the positioning frame 2 is driven by the driving member to slide toward the inside of the supporting frame 1. During the sliding stroke of the positioning frame 2, the trigger member drives the corresponding two clamping frames 3 to slide toward each other, and cooperate with the corresponding frames to fix the right-angle elbow workpiece. After that, the fixed right-angle elbow can be welded by an additional welding assembly. Compared with the existing technology, which can only fix, weld and unlock the right-angle elbows one by one, the work efficiency of the clamping work can be greatly improved, and it is suitable for wide promotion and use.

[0029] In the embodiment provided by the present invention, the trigger member includes a connecting rod 7 fixedly connected to both sides of the clamping frame 3, and each connecting rod 7 is fixedly connected to a force block 5; a driving block 9 is fixedly connected to the inside of the supporting frame 1. When the positioning frame 2 slides downward, the driving block 9 drives the two force blocks 5 to slide toward each other, which facilitates the sliding of the driving block 9 through the cooperation between the force block 5 and the connecting rod 7, and the use effect is better.

[0030] In the embodiment provided by the present invention, a slide groove 6 is provided on the positioning frame 2, two connecting rods 7 are slidably connected in the slide groove 6, and a return spring 8 is provided between the two connecting rods 7. The elastic force of the return spring 8 drives the two connecting rods 7 away from each other. Therefore, after the driving block 9 releases the restriction on the force-bearing block 5, the elastic force of the return spring 8 drives the two connecting rods 7 away from each other, which facilitates the disassembly of the right-angle elbow workpiece after welding is completed, and the use effect is better.

[0031] In the embodiment provided by the present invention, the driving member includes a pressure block 12 fixedly connected to the bottom of the positioning frame 2, and the supporting frame 1 is provided with a driving unit for driving the pressure block 12 to slide downward. The driving unit includes an extrusion block 14 that is horizontally slidably connected to the interior of the supporting frame 1. The pressure block 12 is provided with a wedge-shaped pressure groove 13, and the supporting frame 1 is provided with a servo cylinder 16 for driving the extrusion block 14 to slide. Therefore, during use, the servo cylinder 16 drives the extrusion block 14 to slide within the wedge-shaped groove, and the pressure block 12 can then drive the positioning frame 2 to slide downward, and the trigger member can fix the right-angle elbow to meet working requirements.

[0032] In the embodiment provided by the present invention, there are two pressure blocks 12, which are respectively arranged on both sides of the bottom of the positioning frame 2. A pressure block 12 is slidably connected in each extrusion block 14. The two pressure blocks 12 are fixedly connected by a connecting frame 15. The connecting frame 15 is arranged on the output end of the servo cylinder 16, which can further improve the stability of the positioning frame 2 when sliding.

[0033] In the embodiment provided by the present invention, multiple groups of connecting springs 17 are arranged between the supporting frame 1 and the positioning frame 2. The elastic force of the connecting springs 17 drives the positioning frame 2 away from the supporting frame 1. At this moment, after the extrusion block 14 releases the restriction on the pressure block 12, the elastic force of the connecting springs 17 drives the positioning frame 2 to slide upward, unlocking the right-angle elbow workpiece to meet working needs.

[0034] In the embodiment provided by the present invention, multiple sets of limiting members are provided between the positioning frame 2 and the supporting frame 1 to improve the stability of the positioning frame 2 when sliding inside the supporting frame 1. The limiting members include a limiting block 10 fixedly connected to the positioning frame 2, and a limiting groove 11 is defined inside the supporting frame 1 to match the limiting block 10, and the limiting block 10 is slidably connected to the limiting groove 11.

[0035] In the embodiment provided by the present invention, a plurality of positioning members are provided on the bottom of the carrier frame 1. By providing the positioning members, the clamping tool can be conveniently installed on a predetermined work station, thereby facilitating the use of the clamping tool and meeting work needs.

[0036] It should be noted that the electrical equipment involved in this application can be powered by batteries or external power supply.

[0037] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A right-angle elbow clamping fixture, comprising a carrying frame (1) and a positioning frame (2) slidably connected to the carrying frame (1), characterized in that: The positioning frame (2) is slidably connected to a plurality of groups of clamping frames (3), each group of clamping frames (3) having two clamping frames (3), the two clamping frames (3) being slidably connected to each other inside the positioning frame (2), and a plurality of groups of positioning grooves (4) for mounting right-angle elbow workpieces are provided between each clamping frame (3) and the positioning frame (2); A triggering member is provided between the positioning frame (2) and the carrying frame (1), and a driving member for driving the positioning frame (2) to slide vertically is provided inside the carrying frame (1); The driving member drives the positioning frame (2) to slide downward, and drives the clamping frame (3) to slide through the trigger member, and cooperates with the positioning frame (2) to fix the right-angle elbow workpiece installed in the positioning groove (4).

2. The right-angle elbow clamping tool according to claim 1, characterized in that: The triggering member comprises connecting rods (7) fixedly connected to both sides of the clamping frame (3), and each connecting rod (7) is fixedly connected to a force-bearing block (5); A driving block (9) is fixedly connected to the interior of the carrying frame (1). When the positioning frame (2) slides downward, the driving block (9) drives the two force-bearing blocks (5) to slide toward each other.

3. The right-angle elbow clamping tool according to claim 2, characterized in that: A sliding groove (6) is provided on the positioning frame (2), and the two connecting rods (7) are slidably connected in the sliding groove (6). A return spring (8) is provided between the two connecting rods (7), and the elastic force of the return spring (8) drives the two connecting rods (7) to move away from each other.

4. The right-angle elbow clamping tool according to claim 1, characterized in that: The driving member comprises a pressure block (12) fixedly connected to the bottom of the positioning frame (2), and the supporting frame (1) is provided with a driving portion for driving the pressure block (12) to slide downward.

5. The right-angle elbow clamping tool according to claim 4, characterized in that: The driving part includes an extrusion block (14) horizontally slidably connected to the interior of the carrier frame (1), a wedge-shaped pressure groove (13) is provided on the pressure block (12), and a servo cylinder (16) is provided on the carrier frame (1) for driving the extrusion block (14) to slide.

6. The right-angle elbow clamping tool according to claim 4, characterized in that: There are two pressure blocks (12), which are respectively arranged on both sides of the bottom of the positioning frame (2). Each extrusion block (14) is slidably connected with a pressure block (12). The two pressure blocks (12) are fixedly connected by a connecting frame (15), and the connecting frame (15) is arranged on the output end of the servo cylinder (16).

7. The right-angle elbow clamping tool according to claim 4, characterized in that: A plurality of groups of connecting springs (17) are provided between the carrying frame (1) and the positioning frame (2), and the elastic force of the connecting springs (17) drives the positioning frame (2) away from the carrying frame (1).

8. The right-angle elbow clamping tool according to claim 1, characterized in that: A plurality of groups of limiting members are provided between the positioning frame (2) and the carrying frame (1) to improve the stability of the positioning frame (2) when sliding inside the carrying frame (1).

9. The right-angle elbow clamping tool according to claim 8, characterized in that: The limiting member comprises a limiting block (10) fixedly connected to the positioning frame (2); a limiting groove (11) adapted to the limiting block (10) is provided inside the carrying frame (1); and the limiting block (10) is slidably connected in the limiting groove (11).

10. The right-angle elbow clamping tool according to claim 1, characterized in that: A plurality of positioning members are provided on the bottom of the carrying frame (1).

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