Positioning tool clamp

Abstract

The utility model discloses a location frock clamp, relates to location frock technical field, concretely include placing seat, be equipped with a plurality of strip-shaped groove on the placing seat, also include a plurality of abutting mechanism, each abutting mechanism includes one strip-shaped seat, the middle position of strip-shaped seat passes through a fastening screw, the bottom of fastening screw is vertically installed on the slider, and the top of the slider is equipped with the fastening screw. The sliding block is matched with the strip-shaped groove in shape and is movably arranged in the strip-shaped groove; a locking nut for pressing the strip-shaped seat is arranged at the top of the fastening screw rod; a U-shaped frame is arranged at one end of the strip-shaped base, and a moving base is rotationally installed in the top of the U-shaped frame. When in use, the workpiece can be limited and fixed after being placed on the placing seat; the space defined by the multiple strip-shaped bases facilitates placing and fixing of workpieces, the moving bases surrounding the workpieces can clamp and fix the workpieces at the same time, all the strip-shaped bases can be freely adjusted, and multiple special-shaped workpieces can be conveniently clamped and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning tooling, in particular to a positioning tooling fixture. Background Technique

[0002] When processing metal workpieces, the most common method is to fix the workpiece on the machine tool through reinforcement, and then drive the tool by the machine tool to perform processing operations on the workpiece. For example, a positioning tooling fixture proposed in the patent application number "202122767036.0" includes a tooling base plate, a V-shaped positioning block is arranged on the tooling base plate, a clamping seat is arranged in front of the V-shaped positioning block, and two auxiliary clamping blocks are arranged on the left and right between the V-shaped positioning block and the clamping seat. A first flange nut and a clamping bolt are arranged on the auxiliary clamping block.

[0003] During use, the workpiece is placed between the V-shaped positioning block and the clamping seat, and then the workpiece is clamped by adjusting the clamping bolts. Multiple clamping bolts are adjusted by screwing, and the extending length of the clamping bolts towards the workpiece cannot be controlled, which easily causes the position of the workpiece to shift. Moreover, this fixture can only clamp one type of workpiece and cannot clamp special-shaped workpieces. For this reason, we propose a positioning tooling fixture. Content of the Utility Model

[0004] Aiming at the deficiency that the existing fixture cannot clamp special-shaped workpieces, the utility model provides a positioning tooling fixture, which has the advantages of arranging a plurality of tightening mechanisms around the workpiece, clamping and fixing the workpiece through each tightening mechanism, and at the same time each tightening mechanism can adjust the distance from the side surface of the workpiece, and solves the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: a positioning tooling fixture includes a placement seat, and a plurality of strip-shaped grooves are arranged on the placement seat; the utility model further includes a plurality of tightening mechanisms, each tightening mechanism includes a strip-shaped seat, a fastening screw rod penetrates through the middle position of the strip-shaped seat, the bottom of the fastening screw rod is vertically installed on a slider, the shape of the slider matches the strip-shaped groove and is movably placed in the strip-shaped groove, and a locking nut for pressing the strip-shaped seat is arranged at the top of the fastening screw rod;

[0006] One end of the strip-shaped seat is provided with a U-shaped frame, a moving seat is rotatably installed inside the top of the U-shaped frame, the tightening mechanisms are arranged circumferentially around the side surface of the workpiece, and a driving mechanism for driving the moving seat to advance or retract towards the surface of the workpiece is further arranged on the strip-shaped seat.

[0007] Preferably, the strip-shaped groove is a dovetail groove or a T-shaped groove.

[0008] Preferably, an arc-shaped protrusion extending outwards is arranged on the side surface of the moving seat close to the workpiece, and the arc-shaped protrusion abuts against the side surface of the workpiece.

[0009] Preferably, the driving mechanism is a telescopic mechanism rotatably connected to the side of the moving seat away from the arc-shaped protrusion. The other end of the telescopic mechanism is rotatably connected to the support seat, and the bottom of the support seat is connected to the strip seat.

[0010] Preferably, there is a gap between the telescopic mechanism and the fastening screw. An adjustment groove is provided at the middle position of the strip seat, and the top of the fastening screw is placed in the adjustment groove.

[0011] Preferably, after the telescopic mechanism is shortened, the arc-shaped protrusion is located above the strip seat.

[0012] Preferably, an arc-shaped chamfer is provided on the side of the U-shaped frame close to the workpiece.

[0013] Preferably, mounting holes are provided at the edge of the placement seat.

[0014] Compared with the prior art, when in use, the space formed by multiple strip seats is the placement space for the workpiece. After the workpiece is placed on the placement seat, the workpiece can be limited and fixed; the space surrounded by multiple strip seats not only facilitates the placement and fixation of the workpiece, but also the moving seat surrounding the outside of the workpiece can clamp and fix the workpiece at the same time. Each strip seat can be freely adjusted, which is convenient for clamping and fixing multiple special-shaped workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural view of the present utility model after clamping the workpiece.

[0016] Figure 2 It is a three-dimensional structural view of the present utility model.

[0017] Figure 3 It is a schematic structural view of the pressing mechanism of the present utility model.

[0018] Figure 4 It is a side view of the pressing mechanism of the present utility model.

[0019] In the figure: 1. Placement seat; 2. Workpiece; 3. Telescopic mechanism; 4. Strip seat; 5. Strip groove; 6. Support seat; 7. Moving seat; 8. Arc-shaped protrusion; 9. Arc-shaped chamfer; 10. U-shaped frame; 11. Adjustment groove; 12. Fastening screw; 13. Slide block; 14. Locking nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 4 Figures 1 to 4 , the present utility model provides a technical solution: a positioning tooling fixture, including a placement seat 1, on which there are multiple strip-shaped grooves 5, and the strip-shaped grooves 5 are dovetail grooves or T-shaped grooves. Here, the strip-shaped groove 5 is preferably a T-shaped groove.

[0022] As Figure 1 shown, the number of clamping mechanisms is multiple and they are arranged around the side surface of the workpiece to be processed. Again, as Figure 3 shown in the specific structure of the clamping mechanism, wherein, each clamping mechanism includes a strip-shaped seat 4, and a fastening screw 12 passes through the middle position of the strip-shaped seat 4 vertically. The bottom of the fastening screw 12 is installed on a slider 13, and the shape of the slider 13 matches the strip-shaped groove 5 and it is movably placed in the strip-shaped groove 5. The slider 13 is in the shape of a dovetail block or a rectangular block. A locking nut 14 for pressing the strip-shaped seat 4 is provided at the top of the fastening screw 12. Therefore, when the locking nut 14 is loosened, the slider 13 can freely slide in the strip-shaped groove 5. At this time, the position of the strip-shaped seat 4 can be changed. At the same time, the strip-shaped seat 4 and the fastening screw 12 are movable. Therefore, the strip-shaped seat can freely rotate around the fastening screw 12. When the strip-shaped seat is adjusted to the preset position, tightening the locking nut 14 can fix the strip-shaped seat 4.

[0023] One end of the strip-shaped seat 4 is provided with a U-shaped frame 10, and a moving seat 7 is rotatably installed inside the top of the U-shaped frame 10. The clamping mechanisms are arranged circumferentially around the side surface of the workpiece 2. A driving mechanism for driving the moving seat 7 to move forward or retract towards the surface of the workpiece is also provided on the strip-shaped seat 4. As Figure 3 and Figure 4 shown, an arc-shaped protrusion 8 protruding outwards is provided on the side surface of the moving seat 7 close to the workpiece, and the arc-shaped protrusion 8 abuts against the side surface of the workpiece 2. The driving mechanism is a telescopic mechanism 3 rotatably connected to the side surface of the moving seat 7 away from the arc-shaped protrusion 8. The telescopic mechanism 3 is one of a cylinder, an electric telescopic rod or a hydraulic rod. The other end of the telescopic mechanism 3 is rotatably connected to a support 6, and the bottom of the support 6 is connected to the strip-shaped seat 4.

[0024] Specifically, when this fixture is in use, mounting holes are provided at the edge of the placement seat 1, and these holes are used for connection with the machine tool. After the workpiece 2 is placed on the placement seat 1, adjust each strip-shaped seat 4 to move towards the side surface of the workpiece, and adjust each moving seat 7 to face the side surface of the workpiece 2. Then lock it with the locking nut 14. The space formed by the multiple strip-shaped seats 4 is the placement space for the workpiece 2, that is, the workpiece 2 can be directly placed in this space to be limited and fixed. It is also possible to control each telescopic mechanism to drive the moving seat 7 to abut against the surface of the workpiece, thereby clamping and fixing the workpiece;

[0025] The space surrounded by multiple strip seats 4 not only facilitates the placement and fixation of workpieces, but also the moving seats 7 surrounding the outside of the workpieces can clamp and fix the workpieces simultaneously. Each strip seat 4 can be freely adjusted, facilitating the clamping and fixation of multiple irregular workpieces.

[0026] It should be noted that there is a gap between the telescopic mechanism 3 and the fastening screw 12, which facilitates the operator to turn the locking nut 14. This application also improves the strip seat 4 to make it more convenient to adjust. For example, Figure 3 as shown, an adjustment groove 11 is provided at the middle position of the strip seat 4. The top of the fastening screw 12 is placed in the adjustment groove 11, and the locking nut 14 is located at the top of the strip seat 4. In this way, when the locking nut 14 is loosened, the distance between the strip seat 4 and the side of the workpiece can be adjusted.

[0027] Furthermore, when the telescopic mechanism 3 is shortened, the arc-shaped protrusion 8 is located above the strip seat 4, as shown by the dotted line in Figure 4 The dotted line is parallel to the side surface of the U-shaped frame 10, and this dotted line is also the plane where the side surface of the U-shaped frame 10 is located. After the arc-shaped protrusion 8 retracts, the end of the arc-shaped protrusion 8 does not touch the plane where the dotted line is located, preventing the workpiece from being stuck when placed in the space surrounded by the strip seats 4. Finally, an arc-shaped chamfer 9 is also provided on the side of the U-shaped frame 10 close to the workpiece, making it easier for the workpiece to be placed between the strip seats 4.

[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture, comprising a placement seat (1), the placement seat (1) being provided with a plurality of strip grooves (5), characterized in that: It also includes a plurality of tightening mechanisms, each of which includes a strip seat (4), a tightening screw (12) running through the middle of the strip seat (4), the bottom of the tightening screw (12) being vertically mounted on a slider (13), the shape of the slider (13) matching the strip groove (5) and being movably placed in the strip groove (5), and a locking nut (14) for tightening the strip seat (4) being provided at the top of the tightening screw (12); A U-shaped frame (10) is provided at one end of the strip seat (4), a moving seat (7) is rotatably installed in the top of the U-shaped frame (10), a tightening mechanism is arranged circumferentially around the side of the workpiece (2), and a driving mechanism for driving the moving seat (7) to advance or retract toward the workpiece surface is also provided on the strip seat (4).

2. A positioning fixture according to claim 1, characterized in that: The strip groove (5) is a dovetail groove or a T-shaped groove.

3. A positioning fixture according to claim 2, characterized in that: A curved protrusion (8) extending outward is provided on a surface of one side of the moving seat (7) close to the workpiece, and the curved protrusion (8) abuts against the side surface of the workpiece (2).

4. A positioning fixture according to claim 3, characterized in that: The driving mechanism is a telescopic mechanism (3) rotatably connected to the side of the moving seat (7) away from the arc-shaped protrusion (8), and the other end of the telescopic mechanism (3) is rotatably connected to the support (6), and the bottom of the support (6) is connected to the strip seat (4).

5. A positioning fixture according to claim 4, characterized in that: A gap is provided between the telescopic mechanism (3) and the fastening screw rod (12), an adjustment groove (11) is provided in the middle of the strip seat (4), and the top of the fastening screw rod (12) is placed in the adjustment groove (11).

6. A positioning fixture according to claim 5, characterized in that: When the telescopic mechanism (3) is shortened, the arc-shaped protrusion (8) is located above the strip seat (4).

7. A positioning fixture according to claim 1 or 6, characterized in that: A side of the U-shaped frame (10) close to the workpiece is provided with an arc chamfer (9).

8. A positioning fixture according to claim 7, characterized in that: The edge of the placement seat (1) is provided with a mounting hole.

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