Tool positioning mechanism of cutting machine tool

Abstract

The utility model relates to the technical field of demolding devices, in particular to a tool positioning mechanism of a cutting machine tool, which comprises a machine table top, a positioning box mounted at the bottom of the machine table top, a lifting mechanism mounted in the positioning box, a mounting plate mounted at the top of the lifting mechanism, and hollow positioning columns mounted at four corners of the top of the mounting plate. When the tool is used for positioning, a mounting hole of the tool can be aligned with the positioning column, then the mounting plate is driven to descend through the lifting mechanism, and therefore the positioning column and the limiting rod assembly are driven to descend; the limiting rod assembly gradually abuts against the abutting column, the limiting rod assembly is gradually pushed out of the side wall of the positioning column, and then the limiting rod assembly abuts against the tool along with continuous descending of the positioning column, so that limiting and fixing of the tool are completed, the whole positioning process is simple and convenient, and multiple bolt positioning modes do not need to be adopted for fixing; and the disassembly and assembly efficiency of the tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tool positioning mechanisms, in particular to a tool positioning mechanism for a cutting machine tool. Background Art

[0002] When cutting auto parts, in order to improve the processing efficiency of the parts, fixed tooling is often used to uniformly install multiple sets of parts on the tooling, and then the tooling is fixed on the machine tool for processing. The existing positioning of the tooling generally adopts a method of fixing with multiple sets of bolts. This fixing method requires the staff to operate the bolts one by one. The entire fixing process is time-consuming and labor-intensive, which reduces the processing efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a tool positioning mechanism for a cutting machine tool, which can quickly position and fix the tool and improve the processing efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A cutting machine tool tool positioning mechanism comprises a machine table, a positioning box is installed at the bottom of the machine table, a lifting mechanism is installed inside the positioning box, a mounting plate is installed on the top of the lifting mechanism, internal hollow positioning columns are installed at the four corners of the top of the mounting plate, and one end of the positioning column passes through the machine table, and four groups of retractable limit rod assemblies are arranged at equal angles on the side wall of one end of the positioning column passing through the machine table, four abutment columns corresponding to the positioning columns are fixedly connected to the bottom of the inner cavity of the positioning box, and one end of the abutment column is inserted into the interior of the positioning column, and the lifting mechanism drives the positioning column to descend, so that the abutment column abuts against the limit rod assembly and pushes the limit rod assembly out of the side wall of the positioning column.

[0006] Furthermore, the lifting mechanism includes a double-headed screw rotatably connected between the opposite side walls of the inner cavity of the positioning box, and the outer walls at both ends of the double-headed screw are symmetrically threaded with sliders, and a first hinged seat is installed on the top of the slider, and the first hinged seat is hinged with a connecting rod, and the connecting rod is hinged to the bottom of the mounting plate.

[0007] Furthermore, one end of the double-headed screw passes through the side wall of the positioning box and is installed with a hand wheel.

[0008] Furthermore, the limit rod assembly includes a limit rod passing through the side wall of the positioning column, the limit rod is located at one end of the inner cavity of the positioning column and is fixedly connected to a limit block, the outer wall of the limit rod is sleeved with a spring, the spring is located between the limit block and the inner wall of the positioning column, and the spring is fixedly connected to the inner wall of the positioning column.

[0009] Furthermore, the top of the abutment column and a side surface of the limiting block away from the inner cavity of the positioning column are provided with mutually matching inclined surfaces.

[0010] The beneficial effects of the utility model are:

[0011] The utility model can first align the installation hole of the tooling with the positioning column when positioning the tooling, and then drive the installation plate to descend through the lifting mechanism, thereby driving the positioning column and the limit rod assembly to descend, so that the limit rod assembly gradually abuts against the abutment column, and gradually pushes the limit rod assembly out of the side wall of the positioning column, and then as the positioning column continues to descend, the limit rod assembly abuts against the tooling, thereby completing the limit fixation of the tooling. The entire positioning process is simple and convenient, and there is no need to use a variety of bolt positioning methods for fixing, thereby improving the efficiency of disassembly and assembly of the tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0013] Figure 2 It is a schematic diagram of the side section structure of the positioning mechanism of the utility model;

[0014] Figure 3 It is a schematic diagram of the front cross-section structure of the positioning mechanism of the utility model;

[0015] Figure 4 for Figure 3 A schematic diagram of the structure enlargement at the center A;

[0016] Figure 5 It is a structural schematic diagram of the positioning mechanism of the utility model when positioning the tooling;

[0017] Description of labels:

[0018] 1. Machine table; 2. Positioning box; 3. Lifting mechanism; 31. Double-headed screw; 32. Sliding block; 33. First hinge seat; 34. Connecting rod; 35. Hand wheel; 4. Mounting plate; 5. Positioning column; 6. Limit rod assembly; 61. Limit rod; 62. Limit block; 63. Spring; 7. Abutment column. DETAILED DESCRIPTION

[0019] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0020] Please refer to Figure 1-5 , the technical solution adopted by the utility model is:

[0021] A cutting machine tool tool positioning mechanism comprises a machine table, a positioning box is installed at the bottom of the machine table, a lifting mechanism is installed inside the positioning box, a mounting plate is installed on the top of the lifting mechanism, internal hollow positioning columns are installed at the four corners of the top of the mounting plate, and one end of the positioning column passes through the machine table, and four groups of retractable limit rod assemblies are arranged at equal angles on the side wall of one end of the positioning column passing through the machine table, four abutment columns corresponding to the positioning columns are fixedly connected to the bottom of the inner cavity of the positioning box, and one end of the abutment column is inserted into the interior of the positioning column, and the lifting mechanism drives the positioning column to descend, so that the abutment column abuts against the limit rod assembly and pushes the limit rod assembly out of the side wall of the positioning column.

[0022] From the above description, it can be seen that the beneficial effects of the utility model are:

[0023] The utility model can first align the installation hole of the tooling with the positioning column when positioning the tooling, and then drive the installation plate to descend through the lifting mechanism, thereby driving the positioning column and the limit rod assembly to descend, so that the limit rod assembly gradually abuts against the abutment column, and gradually pushes the limit rod assembly out of the side wall of the positioning column, and then as the positioning column continues to descend, the limit rod assembly abuts against the tooling, thereby completing the limit fixation of the tooling. The entire positioning process is simple and convenient, and there is no need to use a variety of bolt positioning methods for fixing, thereby improving the efficiency of disassembly and assembly of the tooling.

[0024] Furthermore, the lifting mechanism includes a double-headed screw rotatably connected between the opposite side walls of the inner cavity of the positioning box, and the outer walls at both ends of the double-headed screw are symmetrically threaded with sliders, and a first hinged seat is installed on the top of the slider, and the first hinged seat is hinged with a connecting rod, and the connecting rod is hinged to the bottom of the mounting plate.

[0025] From the above description, it can be seen that the rotation of the double-headed screw drives the two sliders to slide in opposite directions, thereby driving the mounting plate to rise and fall, and further driving the four positioning columns to rise and fall. The use of screw transmission can ensure that after the positioning of the workpiece is completed, the stability of the positioning column is maintained through the interlocking function of the screw and the slider.

[0026] Furthermore, one end of the double-headed screw passes through the side wall of the positioning box and is installed with a hand wheel.

[0027] From the above description, it can be seen that the double-headed screw can be easily rotated by the hand wheel, thereby achieving the limit fixation of the tooling.

[0028] Furthermore, the limit rod assembly includes a limit rod passing through the side wall of the positioning column, the limit rod is located at one end of the inner cavity of the positioning column and is fixedly connected to a limit block, the outer wall of the limit rod is sleeved with a spring, the spring is located between the limit block and the inner wall of the positioning column, and the spring is fixedly connected to the inner wall of the positioning column.

[0029] From the above description, it can be seen that as the positioning column descends, the limit rod assembly makes the limit block contact with the abutment column, and as the positioning column continues to descend, the abutment column pushes the limit block out of the side wall of the limit rod, and then the limit rod continues to descend, so that the limit rod abuts against the surface of the tooling, thereby completing the positioning of the tooling, and the setting of the spring can enable the limit rod to return to its original position under the action of the spring restoring force when the abutment column is separated from the limit block.

[0030] Furthermore, the top of the abutment column and a side surface of the limiting block away from the inner cavity of the positioning column are provided with mutually matching inclined surfaces.

[0031] It can be seen from the above description that when the positioning column descends, the inclined surface of the limiting block gradually contacts the inclined surface of the abutting column, thereby pushing the limiting rod out of the side wall of the positioning column.

[0032] Please refer to Figure 1-5 As shown, the first embodiment of the utility model is:

[0033] Please refer to Figure 1 and Figure 3 , a cutting machine tool tool positioning mechanism, including a machine table 1, characterized in that a positioning box 2 is installed at the bottom of the machine table 1, a lifting mechanism 3 is installed inside the positioning box 2, a mounting plate 4 is installed on the top of the lifting mechanism 3, and internal hollow positioning columns 5 are installed at the four corners of the top of the mounting plate 4, and one end of the positioning column 5 passes through the machine table 1, and four groups of retractable limit rod assemblies 6 are arranged at equal angles on the side wall of one end of the positioning column 5 passing through the machine table 1, and four abutment columns 7 corresponding to the positioning columns 5 are fixedly connected to the bottom of the inner cavity of the positioning box 2, and one end of the abutment column 7 is inserted into the interior of the positioning column 5, and the lifting mechanism 3 drives the positioning column 5 to descend, so that the abutment column 7 abuts against the limit rod assembly 6 and pushes the limit rod assembly 6 out of the side wall of the positioning column 5.

[0034] Please refer to Figure 1 and Figure 2 The lifting mechanism 3 includes a double-headed screw 31 rotatably connected between the two opposite side walls of the inner cavity of the positioning box 2, and the outer walls at both ends of the double-headed screw 31 are symmetrically threaded with sliders 32. A first hinge seat 33 is installed on the top of the slider 32, and the first hinge seat 33 is hinged with a connecting rod 34, and the connecting rod 34 is hinged to the bottom of the mounting plate 4.

[0035] Please refer to Figure 1 One end of the double-headed screw 31 passes through the side wall of the positioning box 2 and is installed with a hand wheel 35.

[0036] Please refer to Figure 3 and Figure 4The limit rod assembly 6 includes a limit rod 61 that passes through the side wall of the positioning column 5. The limit rod 61 is located at one end of the inner cavity of the positioning column 5 and is fixedly connected to a limit block 62. The outer wall of the limit rod 61 is sleeved with a spring 63. The spring 63 is located between the limit block 62 and the inner wall of the positioning column 5, and the spring 63 is fixedly connected to the inner wall of the positioning column 5.

[0037] Please refer to Figure 4 The top of the abutting column 7 and the side of the limiting block 62 away from the inner cavity of the positioning column 5 are provided with mutually matching inclined surfaces.

[0038] The positioning process of the above-mentioned cutting machine tool positioning mechanism is as follows:

[0039] When the tooling needs to be positioned and installed on the cutting machine (such as Figure 5 As shown in the figure, first align the installation hole of the tooling with the positioning column 5 and place it on the machine table 1, then drive the double-headed screw 31 to rotate through the hand wheel 35, and the double-headed screw 31 drives the two sliders 32 to slide in the direction away from each other, driving the installation plate 4 and the positioning column 5 to descend, and the positioning column 5 descends so that the limit block 62 of the limit rod assembly 6 gradually contacts the abutment column 7, and the limit block 62 and the limit rod 61 are pushed out of the side wall of the positioning column 5 through the mutual cooperation between the abutment column 7 and the limit block 62, and then as the installation plate 4 continues to descend, the limit rod 61 contacts and abuts against the top surface of the tooling, completing the positioning and fixing of the tooling;

[0040] When the tooling needs to be replaced, the double-headed screw 31 is rotated in the opposite direction to drive the mounting plate 4 and the positioning column 5 to rise, so that the limit block 62 is separated from the contact with the abutment column 7, so that the limit rod 61 returns to its original position under the action of the restoring force of the spring 63, so that the tooling can be smoothly taken out.

[0041] To sum up, the utility model provides a cutting machine tool tool positioning mechanism. When the tool is positioned, the mounting hole of the tool can be aligned with the positioning column first, and then the mounting plate is driven down by the lifting mechanism, thereby driving the positioning column and the limit rod assembly to descend, so that the limit rod assembly gradually abuts against the abutment column, and gradually pushes the limit rod assembly out of the side wall of the positioning column. Then, as the positioning column continues to descend, the limit rod assembly abuts against the tool, thereby completing the limiting fixation of the tool. The entire positioning process is simple and convenient, and there is no need to use a variety of bolt positioning methods for fixing, thereby improving the disassembly and assembly efficiency of the tool.

[0042] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A tooling positioning mechanism for a cutting machine tool, comprising a machine table, characterized in that: A positioning box is installed at the bottom of the machine table, a lifting mechanism is installed inside the positioning box, a mounting plate is installed on the top of the lifting mechanism, internal hollow positioning columns are installed at the four corners of the top of the mounting plate, and one end of the positioning column passes through the machine table, and four groups of retractable limit rod assemblies are arranged at equal angles on the side wall of one end of the positioning column passing through the machine table, four abutment columns corresponding to the positioning columns are fixedly connected to the bottom of the inner cavity of the positioning box, and one end of the abutment column is inserted into the interior of the positioning column, and the lifting mechanism drives the positioning column to descend, so that the abutment column abuts against the limit rod assembly and pushes the limit rod assembly out of the side wall of the positioning column.

2. The cutting machine tool positioning mechanism according to claim 1, characterized in that: The lifting mechanism includes a double-headed screw rotatably connected between the two opposite side walls of the inner cavity of the positioning box, and the outer walls at both ends of the double-headed screw are symmetrically threaded with sliders. A first hinge seat is installed on the top of the slider, and the first hinge seat is hinged with a connecting rod, which is hinged to the bottom of the mounting plate.

3. The cutting machine tool fixture positioning mechanism according to claim 2, characterized in that: One end of the double-headed screw passes through the side wall of the positioning box and is equipped with a hand wheel.

4. The cutting machine tool positioning mechanism according to claim 1, characterized in that: The limit rod assembly includes a limit rod that passes through the side wall of the positioning column. The limit rod is located at one end of the inner cavity of the positioning column and is fixedly connected to a limit block. The outer wall of the limit rod is sleeved with a spring. The spring is located between the limit block and the inner wall of the positioning column, and the spring is fixedly connected to the inner wall of the positioning column.

5. The cutting machine tool positioning mechanism according to claim 4, characterized in that: The top of the abutment column and a side surface of the limiting block away from the inner cavity of the positioning column are provided with mutually matching inclined surfaces.

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