Porous positioning clamp of base type frame connecting piece

Abstract

The utility model discloses a multi-hole positioning fixture of a base type frame connecting piece, which comprises a rectangular plate-shaped fixture bottom plate (1), a square boss (3) is arranged in the middle of the fixture bottom plate (1) in the length direction, 7-shaped positioning check blocks (4) are arranged in the middle of the left side, the right side and the rear side of the upper surface of the square boss (3), and transverse plates (5) of the positioning check blocks (4) on the sides point to the center of the square boss (3). The square boss (3) with the blind hole grooves (9) and the positioning check blocks (4) is used for positioning the base type frame connecting piece (10), in the using process, four holes can be machined at the same time through one-time positioning, the positioning check blocks (4) are arranged in the square boss (3), the positioning check blocks (4) are arranged in the square boss (3), the positioning check blocks (4) are arranged in the square boss (3), the positioning check blocks (4) are arranged in the square boss (3), and the positioning check blocks (4) are arranged in the square boss (3). And the probability of missing processing of four holes is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece clamping device technical field, concretely relates to a kind of multi-hole positioning fixture of base type frame connecting piece. BACKGROUND

[0002] Frame is by beam and column and can bear vertical and horizontal load structure, such as scaffold, fence handrail, shelf, etc., frame connecting piece is used to link beam and column accessory, base is as the connecting piece of supporting frame, is its important load-bearing component, plays the role of transmitting upper load to foundation, needs to satisfy the use requirement of high strength. The base commonly used currently is usually designed to have fixed type and mobile type two, wherein fixed base is directly connected in the foundation top surface made, structure form is simple, and load-bearing performance is good, and the hole corresponding to foundation is needed to be machined on the base, currently, the machining of hole is using the mode of sequentially machining or simultaneously machining on drilling machine, the fixture for fixing workpiece on drilling machine commonly used has ordinary general fixture such as vice, flat-nose pliers, V-shaped iron and pressing plate, although this kind of fixture has the advantages of firm and reliable clamping workpiece, but cannot quickly clamp base type frame connecting piece. SUMMARY

[0003] The utility model provides a kind of positioning fixture, four through holes on base type frame connecting piece can be machined simultaneously after positioning.

[0004] The utility model discloses a kind of multi-hole positioning fixture of base type frame connecting piece, including rectangular plate shape's fixture bottom plate 1, the middle part of the length direction of the fixture bottom plate 1 two sides is equipped with bolt hole 2 for detachable fixed on the workbench of drilling machine, square boss 3 is equipped in the middle position of the length direction on fixture bottom plate 1, the rear side middle of square boss 3 upper surface is equipped with "7" letter shape positioning stopper 4, left and right two side edges are respectively equipped with the same structure of positioning stopper 4 with rear side stopper, and the front side of length direction opposite with fixture bottom plate 1 is open side, the horizontal plate 5 of each side positioning stopper 4 points to the central position of square boss 3, so that 3 positioning stoppers 4 form annular positioning ring, the lower part of vertical board 6 is fixedly connected with square boss 3, and the height of the part on square boss 3 upper surface is greater than the height of support surface 7 of base type frame connecting piece 10 as workpiece, blind hole groove 9 greater than the diameter of through hole 8 is opened at the position corresponding with through hole 8 on the inner side of square boss 3, for the insertion of drill bit when drilling, and blind hole groove 9 is on the 45 degree line between positioning stopper 4.

[0005] The inner side of the vertical board 6 of the positioning stopper 4 is provided with an arc-shaped clamping groove 11, which facilitates the placement and machining of the base type frame connecting piece with a circular support surface 7.

[0006] The inner side of the vertical board 6 of the positioning stopper 4 is rectangular, which facilitates the placement and machining of the base type frame connecting piece with a square support surface 7.

[0007] Preferably, the height of the vertical plate 6 of the positioning block 4 is 5-10mm greater than the height of the support surface 7 of the base type frame connector.

[0008] Preferably, the lower part of the square boss 3 opening side is a U-shaped notch groove 12.

[0009] Preferably, the upper part of the blind hole groove 9 is oval, circular or a combination of circular and semicircular arc.

[0010] Before drilling the base type frame connector 10, the clamp base plate 1 is arranged on the workbench of the drilling machine, and the square boss 3 is located directly below the drill bit. During processing, the base type frame connector 10 is directly inserted into the square boss 3 from the opening side of the square boss 3, and the protruding block of the base type frame connector 10 is located in the opening in front. At this time, the support surface 7 of the base type frame connector 10 is positioned between the annular positioning ring formed by the three positioning blocks 4.

[0011] Beneficial effects: the square boss 3 with the blind hole groove 9 and the positioning block 4 is used as the positioning of the base type frame connector 10. During use, four holes can be positioned and processed at the same time, reducing the probability of missing four hole processing. Because the diameter of the blind hole groove 9 on the square boss 3 is greater than the diameter of the through hole on the support surface 7, the drill bit enters the blind hole groove 9 as a tool to ensure the quickness and safety of clamping. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the utility model clamp processing base type frame connector with a circular support surface.

[0014] Figure 3 It is a structural schematic diagram of the utility model clamp processing base type frame connector with a square support surface.

[0015] Figure 4 It is a structural schematic diagram of the utility model positioning block with an arc-shaped clamping groove.

[0016] In the figure: clamp base plate 1, bolt hole 2, square boss 3, positioning block 4, horizontal plate 5, vertical plate 6, support surface 7, through hole 8, blind hole groove 9, base type frame connector 10, arc-shaped clamping groove 11, notch groove 12. DETAILED DESCRIPTION

[0017] The utility model will be further described in detail in combination with examples.

[0018] Example 1: as Figure 1、 2 The embodiment is a multi-hole positioning clamp for processing the 131TX-A27 type base frame connecting piece, as shown in FIG. 4. The clamp base plate 1 is rectangular plate-shaped. The middle part of the length direction of the clamp base plate 1 is provided with a bolt hole 2 for detachable fixing on the workbench of a drilling machine. The middle position of the length direction of the clamp base plate 1 is provided with a square boss 3. The upper surface of the square boss 3 is provided with a “7” shaped positioning block 4 in the middle of the rear side. The left and right sides are respectively provided with a positioning block 4 with the same structure as the rear side block. The vertical plate 6 of the positioning block 4 is provided with an arc-shaped clamping groove 11 on the inner side, which facilitates the placement and processing of the base frame connecting piece with a circular support surface 7. The front side opposite to the length direction of the clamp base plate 1 is an open side. The open side of the square boss 3 is a U-shaped notch groove 12. The horizontal plate 5 of each side positioning block 4 points to the center position of the square boss 3, so that the three positioning blocks 4 form a ring-shaped positioning ring. The lower part of the vertical plate 6 is fixedly connected with the square boss 3, and the height of the part on the upper surface of the square boss 3 is greater than the height of the support surface 7 of the base frame connecting piece 10 by 5 mm. An elliptical blind hole groove 9 larger than the diameter of the through hole 8 is provided in the position corresponding to the through hole 8 on the inner side of the square boss 3, which is used for inserting the drill bit when drilling, and the blind hole groove 9 is located on the 45-degree line between the positioning blocks 4.

[0019] Before drilling the base frame connecting piece 10, the clamp base plate 1 is arranged on the workbench of the drilling machine, and the square boss 3 is located directly below the drill bit. During processing, the base frame connecting piece 10 is directly inserted into the square boss 3 from the open side of the square boss 3, and the protruding block of the base frame connecting piece 10 is located in the opening in front. At this time, the support surface 7 of the base frame connecting piece 10 is positioned between the ring-shaped positioning ring formed by the three positioning blocks 4.

[0020] Embodiment 2: as Figure 1 、 3As shown, the embodiment is a multi-hole positioning clamp for processing C613G25 type base frame connecting piece, which comprises a rectangular plate-shaped clamp base plate 1, bolt holes 2 are arranged in the middle of the length direction of both sides of the clamp base plate 1 for detachable fixing on the workbench of a drilling machine, a square boss 3 is arranged at the middle position of the length direction of the clamp base plate 1, a "7" shaped positioning block 4 is arranged at the middle of the rear side of the upper surface of the square boss 3, positioning blocks 4 with the same structure as the rear side block are arranged at the left and right side edges, respectively, the inner side of the vertical plate 6 of the positioning block 4 is rectangular, which is convenient for placing and processing the base frame connecting piece with a square support surface 7. The front side opposite to the length direction of the clamp base plate 1 is an open side, the open side lower part of the square boss 3 is a U-shaped notch groove 12, the horizontal plate 5 of each side positioning block 4 points to the center position of the square boss 3, so that the three positioning blocks 4 form a ring-shaped positioning ring, the lower part of the vertical plate 6 is fixedly connected with the square boss 3, and the height of the part on the upper surface of the square boss 3 is greater than the height of the support surface 7 of the base frame connecting piece 10 as a workpiece by 10 mm, a blind hole groove 9 combined with a circular and semicircular arc larger than the diameter of the through hole 8 is arranged at the position corresponding to the through hole 8 on the inner side of the square boss 3 and the support surface 7, which is used for inserting the drill bit when drilling, and the blind hole groove 9 is located on the 45-degree line between the positioning blocks 4.

Claims

1. A multi-hole positioning jig for a base type frame connector, comprising a jig base plate (1) in a rectangular plate shape, characterized by: The middle part of the length direction of the clamp base plate (1) is provided with bolt holes (2) for detachable fixing on the workbench of the drilling machine. The middle position of the length direction of the clamp base plate (1) is provided with a square boss (3). The upper surface of the square boss (3) is provided with a "7" shaped positioning block (4) in the middle of the rear side. The left and right sides are respectively provided with positioning blocks (4) with the same structure as the rear side block. The front side opposite to the length direction of the clamp base plate (1) is an open side. The horizontal plate (5) of each side positioning block (4) points to the center position of the square boss (3), so that the three positioning blocks (4) form an annular positioning ring. The lower part of the vertical plate (6) is fixedly connected with the square boss (3), and the height of the part on the upper surface of the square boss (3) is greater than the height of the supporting surface (7) of the base type frame connecting piece (10). A blind hole groove (9) larger than the diameter of the through hole (8) is formed in the square boss (3) at the position corresponding to the through hole (8) on the supporting surface (7), and the blind hole groove (9) is located on the 45-degree line between the positioning blocks (4).

2. A multi-hole positioning jig for a base-type frame connector according to claim 1, characterized in that: The inner side of the vertical plate (6) of the positioning block (4) is provided with an arc-shaped clamping groove (11).

3. A multi-hole positioning jig for a base frame connector according to claim 1, characterized in that: The inner side of the vertical plate (6) of the positioning block (4) is rectangular.

4. A multi-hole alignment jig for a chassis-type frame connector according to any one of claims 1 to 3, characterized by: The height of the vertical plate (6) of the positioning block (4) is greater than the height of the supporting surface (7) of the base type frame connecting piece by 5-10mm.

5. A multi-hole alignment fixture for a base frame connector according to any one of claims 1-3, characterized in that: The lower part of the open side of the square boss (3) is a U-shaped notch groove (12).

6. A multi-hole alignment fixture for a base frame connector according to any one of claims 1-3, characterized in that: The upper part of the blind hole groove (9) is oval, circular or a combination of circular and semicircular arc.

Images