Tool for milling box part

Abstract

A tool for milling box parts comprises a rectangular base, a swing adjusting frame and a rectangular adjusting frame, four stand columns are arranged at the four corners of the upper end of the rectangular base, a worm is horizontally installed at the bottom of the front end of the rectangular base, a lead screw is vertically installed at the bottom of the front end of the rectangular base, and the lead screw is located on the inner sides of the two stand columns at the front end; a nut is arranged at the upper end of the screw rod, and a worm gear is arranged at the lower end of the screw rod; guide blocks are rotationally connected to the side surfaces of the nuts; a swing adjusting frame is arranged on the peripheries of the four stand columns in a sleeving mode and hinged to the two stand columns at the rear end through a rotating shaft, the swing adjusting frame is inserted into a guide hole of a guide block through a guide rod, and a worm is rotated to drive the swing adjusting frame and the rotating shaft to rotate up and down around the center of the rotating shaft; the rectangular adjusting frame is located in the swing adjusting frame, supporting shafts are arranged in the centers of the front end and the rear end of the rectangular adjusting frame, the front-end supporting shaft is connected with the driving mechanism, and the rear-end supporting shaft is inserted in the middle of the rotating shaft. The driving mechanism drives the rectangular adjusting frame to rotate; a pair of height gauges is slidably connected to horizontal guide rails on left and right sides of the upper end of the rectangular base.

Description

Technical Field

[0001] The invention belongs to the technical field of box body parts machining, and in particular relates to a tool for milling box body parts. Background Art

[0002] The milling of box parts, especially cast box blanks, requires engraving horizontal reference lines around the box body and then using spiral pads for leveling and alignment in the machining center before further processing due to large machining allowances and geometric size errors. When leveling, the height of the reference surface needs to be adjusted in two directions to make the horizontal reference line parallel to the milling machine table. The alignment process is time-consuming, labor-intensive, inefficient, and labor-intensive. Summary of the invention

[0003] The invention provides a tool for milling box parts to overcome the shortcomings of the prior art.

[0004] The technical scheme adopted by the present invention is: a tooling for milling box parts, comprising a rectangular base, a swing adjustment frame, and a rectangular adjustment frame, wherein the rectangular base has four columns at the four corners of the upper end, a worm is horizontally installed at the bottom of the front end of the rectangular base, and a lead screw is vertically installed, and the lead screw is located on the inner side of the two columns at the front end; a nut is installed at the upper end of the lead screw, and a worm wheel is installed at the lower end, and the worm wheel is meshed with the worm; guide grooves are vertically provided on the tops of the two columns at the front end, and a guide block is rotatably connected to the side of the nut; The two upright posts at the rear end are horizontally provided with a rotating shaft, the swing adjustment frame is sleeved on the periphery of the four upright posts and the rear end thereof is fixed to the two ends of the rotating shaft, a guide rod is fixed to the front end of the swing adjustment frame, and the inner end of the guide rod passes through the guide groove and is slidably inserted into the guide hole on the guide block, and the front end of the swing adjustment frame is driven to move up and down by rotating the worm, thereby causing the swing adjustment frame and the rotating shaft to rotate up and down around the center of the rotating shaft together; A driving mechanism is provided on the outer side of the front end of the swing adjustment frame, the rectangular adjustment frame is arranged inside the swing adjustment frame, and support shafts are symmetrically provided at the center of the front and rear ends of the swing adjustment frame, the support shaft at the front end passes through the front end cross beam of the swing adjustment frame and is connected to the driving mechanism, and the support shaft at the rear end is inserted in the middle of the rotating shaft; the driving mechanism drives the rectangular adjustment frame to rotate through the support shaft at the front end; Horizontal guide rails are symmetrically arranged on the left and right sides of the upper end of the rectangular base, and a pair of height gauges are slidably connected to the horizontal guide rails, and the height gauges are located between the swing adjustment frame and the rectangular adjustment frame.

[0005] A lockable shaft sleeve is fixed in the middle of the rotating shaft, and the supporting shaft at the rear end is inserted and locked in the shaft sleeve.

[0006] The outer end of the guide rod has an external thread, a locking nut is sleeved on the external thread, and the locking nut is located on the inner side of the column. The outer end of the guide rod passes through the front end of the swing adjustment frame and is fixedly connected by a fixing nut.

[0007] The driving mechanism consists of a primary worm gear mechanism and a secondary gear transmission mechanism.

[0008] The outer side surfaces of the upper ends of the two front columns are convex arc surfaces, the radius of the convex arc surface is the same as the rotation radius of the swing adjustment frame, and the inner side surface of the front end of the swing adjustment frame opposite to the convex arc surface is a concave arc surface that fits the convex arc surface.

[0009] The convex arc surface is symmetrically arranged about the vertical midpoint of the guide groove.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention organically combines the X-direction and Y-direction leveling mechanisms together, and realizes X-direction leveling based on Y-direction leveling by cooperating with two height gauges arranged on both sides of the leveling mechanism, thereby ensuring that the horizontal reference lines carved around the box are accurately parallel to the milling machine table.

[0011] 2. The present invention adopts worm gear drive to achieve self-locking at any position during the leveling process. The entire leveling process is convenient, time-saving, labor-saving and efficient.

[0012] 3. The X-axis and Y-axis leveling mechanisms of the present invention are both provided with locking devices, which ensure the stability of the tooling during milling processing and improve the milling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 yes Figure 1 A partial enlarged schematic diagram; Figure 3 It is a schematic cross-sectional view of the structure of the present invention; Figure 4 yes Figure 3 A partial enlarged schematic diagram; Figure 5 It is a state diagram of the present invention. DETAILED DESCRIPTION

[0014] The following is combined with Figure 1-5 The present invention is described in detail with specific embodiments.

[0015] Figure 1An embodiment of the present invention is shown, which comprises a rectangular base 1, a swing adjustment frame 2, and a rectangular adjustment frame 3. The rectangular base 1 has four columns 1-1 at the four corners of the upper end. A worm 5 is horizontally installed at the bottom of the front end of the rectangular base 1, and a screw 4 is vertically installed, and the screw 4 is located on the inner side of the two columns 1-1 at the front end; a nut 9 is installed at the upper end of the screw 4, and a worm wheel 6 is installed at the lower end, and the worm wheel 6 is meshed with the worm 5; a guide groove 1-3 is vertically provided on the top of the two columns 1-1 at the front end, and the nut 9 is rotated sideways. The swing adjustment frame 2 is mounted on the outer periphery of the four columns 1-1 and its rear end is fixed to the two ends of the shaft 10. The front end of the swing adjustment frame 2 is fixed with a guide rod 7, and the inner end of the guide rod 7 passes through the guide groove 1-3 and is slidably inserted into the guide hole on the guide block 8. The front end of the swing adjustment frame 2 is driven to move up and down by rotating the worm 5, so that the swing adjustment frame 2 and the shaft 10 are rotated up and down around the center of the shaft 10 together. A driving mechanism 11 is provided on the outer side of the front end of the swing adjustment frame 2, and the rectangular adjustment frame 3 is arranged inside the swing adjustment frame 2, and support shafts 3-1 are symmetrically provided at the center of the front and rear ends thereof, the front support shaft 3-1 passes through the front crossbeam of the swing adjustment frame 2 and is connected to the driving mechanism 11, and the rear support shaft 3-1 is inserted in the middle of the rotating shaft 10; the driving mechanism 11 drives the rectangular adjustment frame 3 to rotate through the front support shaft 3-1; Horizontal guide rails 1-2 are symmetrically arranged on the left and right sides of the upper end of the rectangular base 1, and a pair of height gauges 12 are slidably connected to the horizontal guide rails 1-2, and the height gauges 12 are located between the swing adjustment frame 2 and the rectangular adjustment frame 3. The horizontal guide rails 1-2 are preferably rectangular guide rails, and the lower end of the base of the height gauge 12 is provided with a guide groove adapted to be slidably connected to the rectangular guide rails, so that the height gauge 12 can be quickly removed.

[0016] In the above embodiment, a shaft sleeve 13 is fixed in the middle of the rotating shaft 10 , and the supporting shaft 3 - 1 at the rear end is inserted and locked in the shaft sleeve 13 .

[0017] In the above embodiment, the outer end of the guide rod 7 has an external thread, a locking nut 14 is mounted on the external thread, and the locking nut 14 is located on the inner side of the column 1 - 1 . The outer end of the guide rod 7 passes through the front end of the swing adjustment frame 2 and is fixedly connected by a fixing nut 15 .

[0018] In the above embodiment, the driving mechanism 11 is composed of a primary worm gear mechanism 11-1 and a secondary gear transmission mechanism 12-2. The secondary gear transmission mechanism 12-2 is composed of a pinion and a large gear, the large gear is fixed on the support shaft 3-1, and the pinion is coaxially installed with the worm wheel on the worm gear mechanism 11-1. By rotating the worm of the worm gear mechanism 11-1, the support shaft 3-1 is driven to rotate, thereby driving the rectangular adjustment frame 3 to rotate and fine-tune.

[0019] In the above embodiment, the outer side surfaces of the upper ends of the two front columns 1-1 are convex arc surfaces 1-4, the radius of the convex arc surface 1-4 is the same as the rotation radius of the swing adjustment frame 2, and the inner side surface of the front end of the swing adjustment frame 2 opposite to the convex arc surface 1-4 is a concave arc surface that fits the convex arc surface 1-4, so as to ensure that the swing adjustment frame 2 is stable and accurate when adjusting the swing angle. Preferably, the convex arc surface 1-4 is symmetrically arranged with respect to the vertical midpoint of the guide groove 1-3.

[0020] During specific use, first place the above-mentioned tooling on the milling machine tooling table for alignment and fixation, then place the box 16 to be processed with the reference line 17 drawn on it on the upper end of the rectangular adjustment frame 3, and use the height gauge on one side to align the box and fix the box to the rectangular adjustment frame 3, then slide the height gauge to the rear end of the box 16 and align it with the reference line 17 of the box, then slide the height gauge along the guide rail to the front end of the box 16, and then rotate the worm 5 to make the swing adjustment frame 2 swing up and down, so that the reference line 17 at the front end of the box 16 is flush with the height gauge. At this point, the heights of the front and rear ends of the reference line 17 are consistent, achieving Y-axis leveling, and tighten the locking nut 14 to fix the front end of the swing adjustment frame 2 to the two columns at the front end. Then move the height gauge along the guide rail to verify that the height of the reference mark 17 is completely consistent, then slide the height gauges on both sides to the same position on both sides of the box, measure the height difference of the reference marks 17 on both sides by the height gauge difference on both sides, and then rotate the rectangular adjustment frame 3 through the driving mechanism 11 until the height of the left and right reference marks 17 is consistent, and after verifying that it is correct by sliding the height gauge, realize X-axis leveling, lock the shaft sleeve 13, and fix the rectangular adjustment frame 3 to ensure the stability of the tooling during milling and improve the milling quality. Remove the height gauges on both sides from the guide rail, start the milling machine to complete the cutting above the reference mark 17 of the box 16 and the milling of the four sides of the box.

[0021] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A tool for milling box parts, characterized in that: The invention comprises a rectangular base (1), a swing adjustment frame (2), and a rectangular adjustment frame (3), wherein the upper four corners of the rectangular base (1) are provided with four columns (1-1), the front end bottom of the rectangular base (1) is provided with a worm (5) horizontally and a lead screw (4) vertically, and the lead screw (4) is located inside the two columns (1-1) at the front end; the upper end of the lead screw (4) is provided with a nut (9), and the lower end is provided with a worm wheel (6), and the worm wheel (6) is meshed with the worm (5); the tops of the two columns (1-1) at the front end are provided with guide grooves (1-3) vertically, and the side of the nut (9) is rotatably connected to a guide block (8); A rotating shaft (10) is horizontally mounted on the two upright posts (1-1) at the rear end; the swing adjustment frame (2) is sleeved on the periphery of the four upright posts (1-1) and its rear end is fixed to the two ends of the rotating shaft (10); a guide rod (7) is fixed to the front end of the swing adjustment frame (2); the inner end of the guide rod (7) passes through the guide groove (1-3) and is then slidably inserted into the guide hole on the guide block (8); the front end of the swing adjustment frame (2) is driven to move up and down by rotating the worm gear (5), thereby causing the swing adjustment frame (2) and the rotating shaft (10) to rotate up and down together around the center of the rotating shaft (10); A driving mechanism (11) is provided on the outer side of the front end of the swing adjustment frame (2); the rectangular adjustment frame (3) is arranged inside the swing adjustment frame (2), and support shafts (3-1) are symmetrically provided at the center of the front and rear ends of the swing adjustment frame; the support shaft (3-1) at the front end passes through the front end crossbeam of the swing adjustment frame (2) and is connected to the driving mechanism (11); the support shaft (3-1) at the rear end is inserted in the middle of the rotating shaft (10); the driving mechanism (11) drives the rectangular adjustment frame (3) to rotate via the support shaft (3-1) at the front end; Horizontal guide rails (1-2) are symmetrically provided on the left and right sides of the upper end of the rectangular base (1), a pair of height gauges (12) are slidably connected to the horizontal guide rails (1-2), and the height gauges (12) are located between the swing adjustment frame (2) and the rectangular adjustment frame (3).

2. The tooling for milling box parts according to claim 1 is characterized in that: A lockable shaft sleeve (13) is fixed in the middle of the rotating shaft (10), and the supporting shaft (3-1) at the rear end is inserted and locked in the shaft sleeve (13).

3. The alignment tool for milling box parts according to claim 1 is characterized in that: The outer end of the guide rod (7) has an external thread, a locking nut (14) is sleeved on the external thread, and the locking nut (14) is located on the inner side of the column (1-1). The outer end of the guide rod (7) passes through the front end of the swing adjustment frame (2) and is fixedly connected via a fixing nut (15).

4. The tooling for milling box parts according to claim 1, characterized in that: The driving mechanism (11) consists of a primary worm gear mechanism (11-1) and a secondary gear transmission mechanism (12-2).

5. The tooling for milling box parts according to claim 1, characterized in that: The outer side surfaces of the upper ends of the two front columns (1-1) are convex arc surfaces (1-4), the radius of the convex arc surface (1-4) is the same as the rotation radius of the swing adjustment frame (2), and the inner side surface of the front end of the swing adjustment frame (2) opposite to the convex arc surface (1-4) is a concave arc surface that fits the convex arc surface (1-4).

6. The tooling for milling box parts according to claim 5, characterized in that: The convex arc surface (1-4) is arranged symmetrically about the vertical midpoint of the guide groove (1-3).

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