Horizontal machining center machine tool clamp capable of achieving rapid alignment

Abstract

The utility model discloses a horizontal machining center machine tool clamp capable of rapidly aligning, which comprises a clamp body, the upper surface of the clamp body is a positioning support surface which forms an included angle with the horizontal plane, and the upper surface of the positioning support surface is provided with a cylindrical pin, a rhombic pin, a nylon guide body, a support block, a pressing plate and a pressing clamp which are used for clamping and mounting. A positioning mandrel is installed on the lower surface of the bottom of the clamp body, a plurality of U-shaped installation grooves are formed in the two transverse ends of the bottom of the clamp body in the longitudinal direction at equal intervals, and clamp installation orientation pins are installed in the U-shaped installation grooves. Alignment reference faces are machined at the two transverse ends of the top of the clamp body, the alignment reference faces are perpendicular to the bottom face of the clamp body and parallel to the to-be-machined face of a workpiece, and alignment holes located in the same horizontal plane as to-be-machined holes of the workpiece are formed in the alignment reference faces. The positions of the alignment reference surface and the alignment hole relative to the clamp body are always kept fixed, so that the alignment of a workpiece processing point can be quickly and accurately realized, the processing efficiency and the yield are improved, and the waste of workpieces is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fixture, and relates to a fixture, in particular to a horizontal machining center machine tool fixture capable of quickly aligning. BACKGROUND

[0002] As Figure 1 and Figure 2 The machining workpiece (transmission housing) shown in the drawings needs to be machined at the red position shown in the drawings, and the red position hole axis has a certain angle with the clamping positioning surface of the machining workpiece. The on-site machining equipment is a four-axis horizontal machining center machine tool (X-axis, Y-axis, Z-axis and B-axis). In order to machine the feature structure, the fixture is generally designed as an inclined plane fixture, so that the red position hole axis is in a horizontal position, and the four-axis horizontal machining center machine tool drives the fixture to work and rotates to machine the feature hole system. Although the feature hole system can be machined by this method, the space size is not referenced, and it is a big problem to quickly and accurately find the machining position (X-axis, Y-axis and Z-axis specific coordinates) of the feature hole system, which has been puzzling the machining site. At present, the alignment method for machining the feature on the machining site is to roughly confirm the hole position by visual inspection when debugging the first workpiece, detect after machining, and modify according to the measurement report. In this way, the first workpiece has a high probability of being a waste product, and it is time-consuming and laborious. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a horizontal machining center machine tool fixture capable of quickly aligning, which can solve the technical problem that the inclined plane fixture of the prior art horizontal machining center machine tool cannot be quickly and accurately aligned.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A horizontal machining center machine tool fixture capable of quickly aligning, comprising a fixture body, the bottom of the fixture body is horizontally arranged, the upper surface of the fixture body is a positioning support surface having an angle with the horizontal surface, the upper surface of the positioning support surface is provided with a cylindrical pin, a rhombic pin, a nylon guide body, a supporting block, a pressing plate and a pressing clamp, and the space surrounded by the cylindrical pin, the rhombic pin, the nylon guide body, the supporting block, the pressing plate and the pressing clamp is used for clamping a workpiece, and a positioning arbor is installed on the lower surface of the bottom of the fixture body;

[0006] The top of the fixture body is provided with an alignment reference surface at the transverse ends, the alignment reference surface is vertically arranged with the bottom surface of the fixture body, the alignment reference surface is parallelly arranged with the machining surface of the workpiece, an alignment hole is formed in the alignment reference surface, and the center of the alignment hole is on the same horizontal plane as the center of the machining hole of the workpiece.

[0007] The utility model also comprises the following technical features:

[0008] The included angle between the alignment reference surface and the lateral side wall of the clamp body is the same as the included angle between the workpiece surface to be machined and the lateral side wall of the clamp body.

[0009] The axis of the alignment hole is perpendicular to the alignment reference surface.

[0010] The cylindrical pin is installed at the lower left corner of the upper surface of the positioning support surface, the rhombic pin is installed at the upper right corner of the upper surface of the positioning support surface, and the space between the cylindrical pin and the rhombic pin matches the diagonal structure of the workpiece.

[0011] The support block is installed directly below the upper surface of the positioning support surface for supporting the workpiece, two nylon guide bodies are installed on the two sides of the support block respectively, the distribution of the four nylon guide bodies matches the lower outer contour of the workpiece, and the guide surfaces of the nylon guide bodies all face the outer wall of the workpiece for guiding the workpiece to fall into the correct clamping space.

[0012] The four pressing plates are arranged along the edge of the workpiece to be clamped for pressing the workpiece, and the pressing tongs are installed on the upper part of the upper surface of the positioning support surface, and the pressing tongs are used for pre-pressing the workpiece together with the upper edge of the edge of the workpiece to be clamped.

[0013] A plurality of U-shaped installation grooves are arranged at the two ends of the bottom of the clamp body in the longitudinal direction at equal intervals, and a clamp installation directional pin is installed in the U-shaped installation groove.

[0014] The U-shaped installation groove corresponds to the T-shaped installation groove on the workbench of the horizontal milling machine.

[0015] The positioning spindle corresponds to the positioning hole on the workbench of the horizontal milling machine.

[0016] A lifting surface parallel to the bottom surface is machined at the top end of the clamp body, and lifting rings are symmetrically installed at the two ends of the lifting surface.

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

[0018] The utility model discloses a positioning reference surface and an alignment hole are arranged on the clamp, no matter the workpiece rotates any angle with the clamp, the position of the positioning reference surface and the alignment hole relative to the clamp body always remains fixed, the positioning reference surface and the alignment hole are respectively used as the starting reference surface or point of alignment in two directions, so that the workpiece machining point can be quickly and accurately aligned, the machining efficiency and the yield are improved, and the waste of workpieces is avoided. DRAWINGS

[0019] Figure 1 It is the workpiece to be machined of the utility model Figure 1 .

[0020] Figure 2It is the workpiece to be machined of the utility model Figure 2 .

[0021] Figure 3 It is the overall structure front view of the utility model.

[0022] Figure 4 It is the overall structure side view of the utility model.

[0023] Figure 5 It is the use state reference drawing of the utility model.

[0024] Figure 6 It is Figure 5 A direction schematic view.

[0025] Figure 7 It is Figure 5 B-B schematic view.

[0026] The meaning of each mark in the drawing is as follows:

[0027] 1, clamp body, 2, positioning support surface, 3, cylindrical pin, 4, rhombic pin, 5, nylon guide body, 6, support block, 7, pressing plate, 8, pressing forceps, 9, positioning spindle, 10, alignment reference surface, 11, alignment hole, 13, U-shaped installation groove, 14, clamp installation orientation pin, 15, lifting surface, 16, lifting ring;

[0028] 100, workpiece, 101, workpiece to be machined surface, 102, workpiece to be machined hole;

[0029] 200, horizontal machining center machine tool workbench, 201, T-shaped installation groove, 202, positioning hole.

[0030] The specific content of the utility model is further explained and described in detail in combination with the embodiments. DETAILED DESCRIPTION

[0031] According to the above technical solution, the specific embodiments of the utility model are given below, and it should be noted that the utility model is not limited to the following specific embodiments, and any equivalent transformation based on the technical solution of the present application falls within the protection scope of the utility model.

[0032] In the utility model, unless otherwise stated, the orientation words such as "up", "down", "left", "right" and the like used are usually defined with the drawing surface in the corresponding drawing as the reference, "inner" and "outer" refer to the inner and outer of the corresponding component contour, and "longitudinal", "transverse" and "vertical" refer to the direction marked in the drawing.

[0033] Embodiment:

[0034] The embodiment gives a horizontal machining center machine tool clamp capable of quickly aligning, such as Figures 3 to 7As shown, including the fixture body 1, the bottom of the fixture body 1 is horizontally arranged, the upper surface of the fixture body 1 is a positioning support surface 2 with an angle with the horizontal plane, the upper surface of the positioning support surface 2 is provided with a cylindrical pin 3, a rhombic pin 4, a nylon guide body 5, a support block 6, a pressing plate 7 and a pressing clamp 8, the space surrounded by the cylindrical pin 3, the rhombic pin 4, the nylon guide body 5, the support block 6, the pressing plate 7 and the pressing clamp 8 is used for clamping the workpiece 100, and the lower surface of the bottom of the fixture body 1 is provided with a positioning spindle 9;

[0035] The top transverse ends of the fixture body 1 are provided with alignment reference surfaces 10, the alignment reference surfaces 10 are vertically arranged with the bottom surface of the fixture body 1, the alignment reference surfaces 10 are parallelly arranged with the workpiece to-be-machined surface 101, and the alignment reference surfaces 10 are provided with alignment holes 11, and the centers of the alignment holes 11 are on the same horizontal plane as the center of the workpiece to-be-machined hole 102.

[0036] In this embodiment, the positioning spindle 9 is used to correspond to the positioning point of the horizontal milling machine tool table 200, so as to ensure that the fixture is accurately installed on the horizontal milling machine tool, the alignment reference surface 10 is used as a machining reference surface, and the alignment hole 11 is used as a machining reference starting point. During machining, the fixture body 1 is accurately installed on the horizontal milling machine tool table 200, and then the workpiece 100 is installed on the fixture body 1. Regardless of how the workpiece 100 rotates at any angle, the positions of the alignment reference surface 10 and the alignment hole 11 relative to the fixture body 1 are fixed. During alignment, only the aligner needs to be used to align the alignment reference surface 10 and the alignment hole 11. According to the machining size, the alignment reference surface 10 is used as a starting point to move vertically to the workpiece 100 by a size X, and then the alignment hole 11 is used as another starting point to move vertically to the workpiece 100 by a size Y. In this way, the alignment of the workpiece machining point can be quickly and accurately realized, and the waste of the workpiece can be avoided.

[0037] As a preferred scheme of the present embodiment, the angle between the alignment reference surface 10 and the transverse side wall of the fixture body 1 is the same as the angle between the workpiece to-be-machined surface 101 and the transverse side wall of the fixture body 1, so as to ensure the accuracy of the alignment reference surface 10 as a starting surface in one direction.

[0038] Further, the axis of the alignment hole 11 is perpendicular to the alignment reference surface 10, so as to ensure the accuracy of the alignment hole 11 as a starting point in another direction.

[0039] As a preferred form of the present embodiment, the cylindrical pin 3 is installed at the lower left corner of the upper surface of the positioning support surface 2, the rhombus pin 4 is installed at the upper right corner of the upper surface of the positioning support surface 2, and the space between the cylindrical pin 3 and the rhombus pin 4 matches the diagonal line structure of the workpiece 100; the support block 6 is installed directly below the upper surface of the positioning support surface 2 for supporting the workpiece, and two nylon guide bodies 5 are installed on the two sides of the support block 6, respectively, and the distribution of the four nylon guide bodies 5 matches the lower outer contour of the workpiece 100, and the guide surfaces of the nylon guide bodies 5 all face the outer wall of the workpiece 100 for guiding the workpiece 100 to fall into the correct clamping space; four pressure plates 7 are provided, which are arranged along the edge of the workpiece 100 to be clamped for pressing the workpiece 100, and the pressure clamp 8 is installed on the upper part of the upper surface of the positioning support surface 2, which is used for pre-pressing the upper edge of the edge of the workpiece 100 to be clamped to pre-press the workpiece 100, and the above structure can uniformly clamp the standard to ensure the consistency and stability of the installation of each workpiece 100.

[0040] As a preferred form of the present embodiment, the bottom of the clamp body 1 is provided with a plurality of U-shaped installation grooves 13 at the two ends in the transverse direction and at equal intervals in the longitudinal direction, and a clamp installation directional pin 14 is installed in the U-shaped installation groove 13.

[0041] Specifically, the U-shaped installation groove 13 corresponds to the T-shaped installation groove 201 on the horizontal milling machine bed workbench 200, and during installation, the clamp installation positioning pin 14 is inserted into the corresponding T-shaped installation groove 201, and the installation stability of the clamp body 1 and the horizontal milling machine bed workbench 200 is realized by tightening the bolt.

[0042] Further, the positioning spindle 9 corresponds to the positioning hole 202 on the horizontal milling machine bed workbench 200, and in combination with the clamp installation directional pin 14, the installation position and direction of the clamp body 1 are determined, so that the clamp body 1 is accurately installed on the horizontal milling machine bed workbench 200.

[0043] As a preferred form of the present embodiment, the top end of the clamp body 1 is machined with a lifting surface 15 arranged parallel to the bottom surface, and a lifting ring 16 is symmetrically arranged at the two ends of the lifting surface 15, which facilitates lifting the tooling 100 and installing it on the clamp body 1.

[0044] In actual operation of the present embodiment:

[0045] (1) Clamp installation: use the lifting tool to lift the clamp body 1, insert the positioning spindle 9 into the positioning hole 202 on the horizontal milling machine bed workbench 200, insert the clamp installation directional pin 14 into the corresponding T-shaped installation groove 201, and then slowly lower the clamp body 1 so that the bottom surface of the clamp body 1 is in contact with the horizontal milling machine bed workbench 200, so that the clamp body 1 is properly positioned, and then the clamp body 1 is installed by tightening the installation nut and installation bolt;

[0046] (2) Workpiece installation: install the workpiece 100 on the fixture body 1 as required;

[0047] (3) Workpiece rotation: rotate the workpiece 100 with the horizontal machining bed according to the required angle;

[0048] (4) Alignment: the fixture drawing gives the X size of the alignment reference surface 10 to the workpiece to-be-processed surface 101 and the Y size of the alignment hole 11 to the workpiece to-be-processed hole 102, and the alignment reference surface 10 and the alignment hole 11 are aligned using an aligner, and the alignment is achieved according to the X size and Y size offset;

[0049] (5) Workpiece machining: machine the part according to the alignment position.

Claims

1. A fixture for a horizontal machining center that can be quickly aligned, characterized in that, The fixture includes a fixture body (1), the bottom of which is horizontally positioned. The upper surface of the fixture body (1) is a positioning support surface (2) that forms an angle with the horizontal plane. The upper surface of the positioning support surface (2) is provided with a cylindrical pin (3), a diamond pin (4), a nylon guide (5), a support block (6), a pressure plate (7), and a clamp (8). The space enclosed by the cylindrical pin (3), the diamond pin (4), the nylon guide (5), the support block (6), the pressure plate (7), and the clamp (8) is used to clamp the workpiece (100). A positioning mandrel (9) is installed on the lower surface of the bottom of the fixture body (1). The top two ends of the fixture body (1) are machined with alignment reference surfaces (10). The alignment reference surfaces (10) are perpendicular to the bottom surface of the fixture body (1) and parallel to the workpiece surface to be machined (101). Alignment holes (11) are opened on the alignment reference surfaces (10). The center of the alignment holes (11) and the center of the workpiece hole to be machined (102) are on the same horizontal plane.

2. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The angle between the alignment reference surface (10) and the transverse sidewall of the fixture body (1) is the same as the angle between the workpiece surface to be machined (101) and the transverse sidewall of the fixture body (1).

3. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The axis of the alignment hole (11) is perpendicular to the alignment reference surface (10).

4. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The cylindrical pin (3) is installed at the lower left corner of the upper surface of the positioning support surface (2), and the diamond pin (4) is installed at the upper right corner of the upper surface of the positioning support surface (2). The space between the cylindrical pin (3) and the diamond pin (4) matches the diagonal structure of the workpiece (100). The support block (6) is installed directly below the upper surface of the positioning support surface (2) to support the workpiece. Two nylon guides (5) are installed on both sides of the support block (6). The distribution of the four nylon guides (5) matches the lower outer contour of the workpiece (100). The guide surfaces of the nylon guides (5) all face the outer wall of the workpiece (100) to guide the workpiece (100) into the correct clamping space. The pressure plate (7) is provided in four pieces. The four pressure plates (7) are arranged along the edge of the workpiece (100) to be clamped for clamping the workpiece (100). The clamping clamp (8) is installed on the upper part of the upper surface of the positioning support surface (2). The clamping clamp (8) and the upper edge of the edge of the workpiece (100) to be clamped are used to pre-clamp the workpiece (100).

5. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The bottom of the fixture body (1) has multiple U-shaped mounting slots (13) at equal intervals along the longitudinal direction at both ends of the horizontal direction. Fixture mounting guide pins (14) are installed in the U-shaped mounting slots (13).

6. The fixture for a horizontal machining center that can be quickly aligned as described in claim 5, characterized in that, The U-shaped mounting groove (13) corresponds to the T-shaped mounting groove (201) on the worktable (200) of the horizontal machining center.

7. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The positioning mandrel (9) corresponds to the positioning hole (202) on the worktable (200) of the horizontal machining center.

8. The fixture for a horizontal machining center that can be quickly aligned as described in claim 1, characterized in that, The top of the clamp body (1) is machined with a lifting surface (15) that is parallel to the bottom surface, and symmetrically arranged lifting rings (16) are installed at both ends of the lifting surface (15).

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