Gantry frame of planer type milling machine

Abstract

The gantry frame comprises a gantry vertical frame, a milling machine base is fixedly connected to the lower portion of the gantry vertical frame, a milling machine body is connected to the top of the milling machine base in a sliding mode, a cross beam is connected to the front face of the gantry vertical frame in a sliding mode, and a top drilling machine is connected to the outer side of the cross beam in a sliding mode. A side drilling machine is slidably connected to the front face of the gantry vertical frame and located on the right side of the milling machine base, and a two-way motor is fixedly connected to the rear end of the milling machine base. The milling machine body comprises a supporting table, a rotary table, a clamping assembly, a positioning assembly, a connecting foot and a lead screw, the supporting table is connected to the top of the milling machine base in a sliding mode, and the rotary table is rotationally connected to the top of the supporting table. And through cooperation of the rotary table and the positioning assembly, workpieces do not need to be disassembled, the edge changing process is simple and convenient, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gantry milling machine technical field, concretely is a gantry milling machine gantry frame. BACKGROUND

[0002] Gantry milling machine is short for gantry milling, is the milling machine with portal frame and horizontal long bed, milling cutter usually milling is the main movement of rotation, the movement of workpiece and milling cutter is feed movement, it can process plane, groove, also can process various curved surface, gear etc., the milling machine is the machine tool that workpiece is milled with milling cutter, milling machine can process the relatively complicated profile except plane, groove, tooth, thread and spline shaft, the efficiency is higher than planer, is widely used in mechanical manufacturing and repair department,

[0003] Gantry milling machine has the gantry frame device of side drilling milling head although, installs side drilling milling head on one side of gantry milling machine, can also carry out side wall drilling when drilling on the top of workpiece, makes it unnecessary multiple loading and unloading, greatly improves processing efficiency, improves processing effect, but the existing gantry milling machine lacks the quick edge changing device of workpiece in the process of drilling workpiece, needs to disassemble and change edge, increases labor intensity when the other side of workpiece needs to be drilled if side drilling milling head can only drill on one side of workpiece.

[0004] Therefore, the utility model provides a gantry milling machine gantry frame to solve the above -mentioned problem. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model designs a gantry milling machine gantry frame, and the gantry milling machine gantry frame aims to solve the technical problem that the quick edge changing device of workpiece is lacked in prior art and workpiece needs to be disassembled and changed edge.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A gantry milling machine gantry frame, including gantry stand, the lower fixed connection of gantry stand has milling machine base, the top sliding connection of milling machine base has milling machine body, the front surface sliding connection of gantry stand has crossbeam, the outside sliding connection of crossbeam has top drilling machine, the front surface sliding connection of gantry stand and the right side of milling machine base has side drilling machine, the rear end fixed connection of milling machine base has bidirectional motor;

[0008] The milling machine body comprises a support table, a rotary table, clamping assemblies, a positioning assembly, connecting feet and a lead screw, the support table is slidably connected to the top of the milling machine base, the rotary table is rotatably connected to the top of the support table, two groups of the clamping assemblies are slidably connected to the top of the rotary table, the positioning assembly is embedded in the top of the support table, two groups of the connecting feet are fixedly connected to the left side of the bottom of the support table respectively, the lead screw is threadedly connected to the inner side of the two groups of connecting feet, and the rear end of the lead screw is fixedly connected with the output end of the bidirectional motor.

[0009] As the preferred scheme of the utility model, the support table is provided with a sliding groove on the left and right sides, the milling machine base is fixedly connected with two groups of sliding rails on the left and right sides, and the sliding rails are slidably connected with the sliding grooves.

[0010] As the preferred scheme of the utility model, the top of the support table is provided with an annular groove, the bottom of the rotary table is fixedly connected with an annular slide, and the annular slide is slidably connected with the annular groove.

[0011] As the preferred scheme of the utility model, the clamping assembly comprises an adjusting foot, an adjusting screw, a clamping head and a limiting column, the two groups of adjusting feet are fixedly connected to the top of the rotary table, the adjusting screw is threadedly connected to the inner side of the adjusting foot, the clamping head is rotatably connected to one end of the adjusting screw close to the center of the rotary table, and the limiting column is fixedly connected to the bottom end of the clamping head.

[0012] As the preferred scheme of the utility model, the surface of the rotary table is provided with two groups of limiting sliding holes, the limiting column is slidably connected with the limiting sliding hole, and the surface of the clamping head is fixedly connected with an antiskid pad.

[0013] As the preferred scheme of the utility model, the positioning assembly comprises a mounting shell, an embedded baffle, a spring, a positioning column and a pressing column, the mounting shell is embedded in the top of the support table, the embedded baffle is slidably connected to the inside of the mounting shell, the spring is fixedly connected to the bottom of the embedded baffle, the positioning column is fixedly connected to the top of the embedded baffle, and the pressing column is fixedly connected to the top of the embedded baffle.

[0014] As the preferred scheme of the utility model, the surface of the rotary table is provided with two groups of positioning holes, the positioning column is inserted into the inner side of the positioning hole, and the surface of the rotary table is provided with a plurality of chip removal through holes.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a milling machine body structure and a milling machine, which are characterized by the following: the milling machine body structure comprises a support table, a rotary table, a clamping assembly and a positioning assembly, wherein the support table is arranged on the milling machine base, the rotary table is arranged on the top of the support table, the clamping assembly is arranged on the rotary table, and the positioning assembly is arranged on the rotary table. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure perspective diagram of the utility model;

[0018] Figure 2 It is the milling machine body structure schematic view in the utility model;

[0019] Figure 3 It is the support table structure schematic view in the utility model;

[0020] Figure 4 It is the rotary table structure schematic view in the utility model;

[0021] Figure 5 It is the rotary table bottom structure schematic view in the utility model;

[0022] Figure 6 It is the positioning assembly structure schematic view in the utility model.

[0023] In the drawing: 1, portal stand; 2, milling machine base; 3, milling machine body; 301, support table; 302, rotary table; 303, clamping assembly; 3031, adjusting foot; 3032, adjusting screw; 3033, clamping head; 3034, limiting column; 304, positioning assembly; 3041, installation shell; 3042, built-in baffle; 3043, spring; 3044, positioning column; 3045, pressing column; 305, connecting foot; 306, screw rod; 4, cross beam; 5, top drilling machine; 6, side drilling machine; 7, bidirectional motor; 8, sliding groove; 9, sliding rail; 10, annular groove; 11, annular slide; 12, limiting sliding hole; 13, antiskid pad; 14, positioning hole; 15, chip removal through hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0025] Embodiment:

[0026] The utility model discloses a kind of gantry milling machine gantry frames, which aims to solve the lack of quick edge changing device for workpieces in the prior art, and the technical problem of needing to disassemble and change edges of workpieces.

[0027] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0028] A gantry milling machine gantry frame, comprising a gantry stand 1, a milling machine base 2 is fixedly connected below the gantry stand 1, a milling machine body 3 is slidably connected to the top of the milling machine base 2, a cross beam 4 is slidably connected to the front of the gantry stand 1, a top drilling machine 5 is slidably connected to the outer side of the cross beam 4, a side drilling machine 6 is slidably connected to the right side of the milling machine base 2 on the front of the gantry stand 1, and a bidirectional motor 7 is fixedly connected to the rear end of the milling machine base 2.

[0029] First, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 The specific structure of the milling machine body 3 is as follows:

[0030] The milling machine body 3 comprises a support table 301, a rotary table 302, a clamping assembly 303, a positioning assembly 304, a connecting leg 305, and a lead screw 306. The support table 301 is slidably connected to the top of the milling machine base 2. The rotary table 302 is rotatably connected to the top of the support table 301. Two sets of clamping assemblies 303 are slidably connected to the top of the rotary table 302. The positioning assembly 304 is embedded in the top of the support table 301. Two sets of connecting legs 305 are fixedly connected to the left side of the bottom of the support table 301. The lead screw 306 is threadedly connected to the inner side of the two sets of connecting legs 305, and the rear end of the lead screw 306 is fixedly connected to the output end of the bidirectional motor 7.

[0031] In the use process of the utility model, first, the workpiece is placed on the top of the rotary table 302, and then the workpiece is clamped and fixed by the clamping assembly 303 to prevent displacement of the workpiece during processing. Then, the side of the workpiece that needs to be processed is rotated to the same side of the side drilling machine 6 by rotating the rotary table 302. Then, the rotary table 302 is fixed by the positioning assembly 304. Then, the bidirectional motor 7 is started. The bidirectional motor 7 can drive the lead screw 306 to rotate. When the lead screw 306 rotates, it can drive the two sets of connecting legs 305 to move forward and backward. When the two sets of connecting legs 305 move forward and backward, they can drive the support table 301 to move forward and backward. When the support table 301 moves forward and backward, it can drive the rotary table 302 to move forward and backward, thereby moving the workpiece to the position of the top drilling machine 5 or the side drilling machine 6.

[0032] Further, please refer to Figure 1 、 Figure 2 And Figure 3Both sides of the support table 301 are provided with sliding grooves 8, both sides of the milling machine base 2 are fixedly connected with two groups of sliding rails 9, the sliding rails 9 are slidably connected with the sliding grooves 8, the sliding connection between the sliding rails 9 and the sliding grooves 8 can make the support table 301 move more smoothly, and the two groups of sliding rails 9 can support the support table 301.

[0033] Further, please refer to Figure 3 and Figure 5 , the top of the support table 301 is provided with an annular groove 10, the bottom of the rotary table 302 is fixedly connected with an annular slide 11, the annular slide 11 is slidably connected with the annular groove 10, the sliding connection between the annular slide 11 and the annular groove 10 can make the rotary table 302 rotate more smoothly, and the annular slide 11 can keep the rotary table 302 stable.

[0034] Further, please refer to Figure 2 、 Figure 4 and Figure 5 , the specific structure of the clamping assembly 303 is as follows:

[0035] The clamping assembly 303 comprises adjusting feet 3031, adjusting screws 3032, clamping heads 3033 and limiting columns 3034, the two groups of adjusting feet 3031 are fixedly connected to the top of the rotary table 302, the adjusting screws 3032 are threadedly connected to the inner side of the adjusting feet 3031, the clamping heads 3033 are rotatably connected to one end of the adjusting screws 3032 close to the center of the rotary table 302, the limiting columns 3034 are fixedly connected to the bottom end of the clamping heads 3033, the surface of the rotary table 302 is provided with two groups of limiting sliding holes 12, the limiting columns 3034 are slidably connected with the limiting sliding holes 12, and the surface of the clamping head 3033 is fixedly connected with a non-slip pad 13.

[0036] In the use process of the utility model, first, the workpiece is placed on the top of the rotary table 302, then the two groups of adjusting screws 3032 are adjusted, the adjusting screws 3032 rotate on the inner side of the adjusting feet 3031, so that the adjusting screws 3032 push the clamping heads 3033 to approach the workpiece, and at the same time, the limiting columns 3034 slide on the inner side of the limiting sliding holes 12, so that the clamping heads 3033 can slide stably, and finally the workpiece is clamped and fixed, the non-slip pad 13 can make the clamping more stable, and can prevent the workpiece from moving during processing.

[0037] Further, please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , the specific structure of the positioning assembly 304 is as follows:

[0038] The positioning assembly 304 comprises a mounting shell 3041, an inner blocking sheet 3042, a spring 3043, a positioning column 3044 and a pressing column 3045, the mounting shell 3041 is embedded on the top of the support table 301, the inner blocking sheet 3042 is slidingly connected to the inside of the mounting shell 3041, the spring 3043 is fixedly connected to the bottom of the inner blocking sheet 3042, the positioning column 3044 is fixedly connected to the top of the inner blocking sheet 3042, the pressing column 3045 is fixedly connected to the top of the inner blocking sheet 3042, the surface of the rotary table 302 is provided with two groups of positioning holes 14, the positioning column 3044 is inserted into the inside of the positioning hole 14, and the surface of the rotary table 302 is provided with a plurality of chip removal through holes 15.

[0039] In the use process of the utility model, first press down the pressing column 3045, the pressing column 3045 moves down and drives the inner blocking sheet 3042 to slide down, the inner blocking sheet 3042 slides down and extrudes the spring 3043 downward at the same time and drives the positioning column 3044 to move down, so that the positioning column 3044 is separated from the positioning hole 14, when the rotary table 302 rotates the side of the workpiece to be machined to the same side of the side drilling machine 6, the other group of positioning holes 14 is rotated to the position of the positioning column 3044, the spring 3043 extrudes the inner blocking sheet 3042 upward, the inner blocking sheet 3042 slides upward, so as to drive the positioning column 3044 to move upward and be inserted into the positioning hole 14, so that the rotary table 302 is fixed again.

[0040] The utility model discloses a work flow:

[0041] The utility model discloses a workpiece is fixed in the process of using, first place workpiece to the top of rotary table 302, adjust two groups of adjusting screw rod 3032 again, adjusting screw rod 3032 rotate in the inside of adjusting foot 3031, to make adjusting screw rod 3032 push clamping head 3033 to the workpiece close together, and finally workpiece clamping fixed, antiskid pad 13 can make hold clamping more stable, can prevent workpiece from displacement when processing, press down again press column 3045, when press column 3045 moves down, drive built -in baffle 3042 to slide down, when built -in baffle 3042 slides down, drive positioning column 3044 to move down while extruding spring 3043 downward, to make positioning column 3044 and positioning hole 14 separate, rotate rotary table 302 again to make the side of workpiece needing processing rotate to the same side of side drilling machine 6, and another group positioning hole 14 rotates to the position of positioning column 3044, and spring 3043 extrudes built -in baffle 3042 upward, built -in baffle 3042 slides upward, to drive positioning column 3044 to move up and be inserted with positioning hole 14, to make rotary table 302 fix again, start bidirectional motor 7 again, and bidirectional motor 7 can drive screw rod 306 to rotate, and screw rod 306 can drive two groups of connecting foot 305 to move back and forth when rotating, and two groups of connecting foot 305 can drive support table 301 to move back and forth when moving back and forth, and the sliding connection of slide rail 9 and sliding slot 8 can make the back and forth movement of support table 301 more smooth, and support table 301 can drive rotary table 302 to move back and forth when moving back and forth, to move workpiece to the position of top drilling machine 5 or side drilling machine 6, when workpiece needs to change side, through the cooperation of rotary table 302 and positioning assembly 304, do not need to disassemble workpiece, and the change side process is simple and convenient, and the practicability is increased.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gantry milling machine gantry frame, comprising a gantry stand (1), characterized in that: The bottom of the gantry stand (1) is fixedly connected to a milling machine base (2), the top of the milling machine base (2) is slidably connected to a milling machine body (3), the front of the gantry stand (1) is slidably connected to a crossbeam (4), the outer side of the crossbeam (4) is slidably connected to a top drilling machine (5), the front of the gantry stand (1) and located on the right side of the milling machine base (2) is slidably connected to a side drilling machine (6), and the rear end of the milling machine base (2) is fixedly connected to a bidirectional motor (7); The milling machine body (3) comprises a support platform (301), a turntable (302), a clamping assembly (303), a positioning assembly (304), a connecting leg (305) and a screw rod (306); the support platform (301) is slidably connected to the top of the milling machine base (2); the turntable (302) is rotatably connected to the top of the support platform (301); two groups of the clamping assemblies (303) are both slidably connected to the top of the turntable (302); the positioning assembly (304) is embedded in the top of the support platform (301); the two groups of the connecting legs (305) are respectively fixedly connected to the left side of the bottom of the support platform (301); the screw rod (306) is threadedly connected to the inner side of the two groups of connecting legs (305); and the rear end of the screw rod (306) is fixedly connected to the output end of the bidirectional motor (7).

2. The gantry frame of a gantry milling machine according to claim 1, characterized in that: Slide grooves (8) are provided on both the left and right sides of the support platform (301), and two sets of slide rails (9) are fixedly connected to both the left and right sides of the milling machine base (2), and the slide rails (9) are slidably connected to the slide grooves (8).

3. The gantry frame of a gantry milling machine according to claim 1, characterized in that: An annular groove (10) is provided on the top of the support platform (301), and an annular slideway (11) is fixedly connected to the bottom of the turntable (302), and the annular slideway (11) is slidably connected to the annular groove (10).

4. The gantry frame of a gantry milling machine according to claim 1, characterized in that: The clamping assembly (303) comprises an adjusting foot (3031), an adjusting screw (3032), a clamping head (3033) and a limiting column (3034), wherein the two sets of adjusting feet (3031) are fixedly connected to the top of the turntable (302), the adjusting screw (3032) is threadedly connected to the inner side of the adjusting foot (3031), the clamping head (3033) is rotatably connected to one end of the adjusting screw (3032) close to the center of the turntable (302), and the limiting column (3034) is fixedly connected to the bottom end of the clamping head (3033).

5. The gantry frame of a gantry milling machine according to claim 4, characterized in that: Two groups of limiting sliding holes (12) are opened on the surface of the turntable (302), the limiting columns (3034) are slidably connected to the limiting sliding holes (12), and the surface of the clamping head (3033) is fixedly connected with an anti-slip pad (13).

6. The gantry frame of a gantry milling machine according to claim 1, characterized in that: The positioning assembly (304) comprises a mounting shell (3041), a built-in baffle (3042), a spring (3043), a positioning column (3044) and a pressing column (3045); the mounting shell (3041) is embedded in the top of the support platform (301); the built-in baffle (3042) is slidably connected to the inside of the mounting shell (3041); the spring (3043) is fixedly connected to the bottom of the built-in baffle (3042); the positioning column (3044) is fixedly connected to the top of the built-in baffle (3042); and the pressing column (3045) is fixedly connected to the top of the built-in baffle (3042).

7. The gantry frame of a gantry milling machine according to claim 6, characterized in that: Two groups of positioning holes (14) are provided on the surface of the turntable (302), and the positioning columns (3044) are inserted into the inner sides of the positioning holes (14). A plurality of chip removal holes (15) are provided on the surface of the turntable (302).

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