Internal thread milling equipment

Abstract

The utility model relates to the technical field of milling, and discloses internal thread milling equipment which comprises a working table, an electric push rod is fixedly connected to the upper surface of the working table, a rack is fixedly connected to the output end of the electric push rod, a sliding seat is fixedly connected to the lower surface of the rack, the tooth end of the rack is in meshed connection with a gear, and the gear is in meshed connection with the sliding seat. And a connecting rod is fixedly connected to the interior of the gear, an L-shaped plate is fixedly connected to the outer wall of the middle of the connecting rod, a push plate is rotatably connected to the outer wall of the L-shaped plate, a fixing frame is rotatably connected to the interior of the push plate, and a fixing plate is fixedly connected to the upper surface of the fixing frame. According to the thread milling cutter, the electric push rod, the rack, the sliding seat, the gear, the connecting rod, the L-shaped plate, the push plate, the fixing frame, the fixing plate and the telescopic rod are matched with one another, so that the height of the thread milling cutter is adjusted to adapt to the heights of different workpieces, meanwhile, internal threads at different positions of the workpieces can be machined, and the machining flexibility is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling technology field especially relates to a internal thread milling equipment. BACKGROUND

[0002] Milling is a common and important mechanical processing technology, it is rotated milling cutter as cutting tool, through the relative movement between milling cutter and workpiece, according to predetermined path and parameter, from the workpiece blank on the removal of excess material, to obtain the parts with specific shape, size precision and surface quality. The traditional processing mode is often not up to the task when facing high-precision, large-size internal thread, or for special material processing, therefore needs to use a internal thread milling equipment.

[0003] Internal thread milling equipment is a kind of advanced mechanical processing device specially used for processing thread structure inside workpiece, in the past technology, milling assembly usually adopts bolt and mounting frame to be fixed, this way in the actual production of workpiece, the height of workpiece can be different, leading to limited processing range. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a internal thread milling equipment, aims at improving the lack of the height of workpiece, leading to limited processing range problem.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of internal thread milling equipment, including work table, the upper surface of the work table is fixedly connected with electric push rod, the output end of the electric push rod is fixedly connected with rack, the lower surface of the rack is fixedly connected with sliding seat, the rack tooth end is engagedly connected with gear, the inside of the gear is fixedly connected with connecting rod, the outer wall of the connecting rod is rotatably connected in the inside of work table, the middle part outer wall of the connecting rod is fixedly connected with L-shaped plate, the outer wall of the L-shaped plate is rotatably connected with push plate, the inside of the push plate is rotatably connected with fixed frame, the upper surface of the fixed frame is fixedly connected with fixed plate, the lower surface of the fixed plate is fixedly connected with telescopic rod, the upper side outer wall of the fixed plate is provided with milling assembly, and the milling assembly is used to mill workpiece.

[0007] Preferably, the milling assembly includes electric sliding table, the inner wall of the electric sliding table is slidably connected to the upper side outer wall of the fixed plate, the inner wall of the electric sliding table is fixedly connected with motor, and the output end of the motor is fixedly provided with thread milling cutter.

[0008] Preferably, the inner wall of the sliding seat is slidably connected to the upper side outer wall of the work table, the lower surface of the telescopic rod is fixedly connected to the upper surface of the work table, and the upper surface of the work table is fixedly connected with hollow box.

[0009] Preferably, the outer wall of the hollow box is fixedly connected with a hydraulic cylinder, and an output end of the hydraulic cylinder is fixedly connected with a transmission block.

[0010] Preferably, the outer wall of the transmission block is slidably connected in the hollow box, and the right outer wall of the transmission block is fixedly connected with a connecting block.

[0011] Preferably, the inner portion of the connecting block is slidably connected with a supporting rod, and both ends of the supporting rod are fixedly connected to the inner wall of the hollow box.

[0012] Preferably, the inner portion of the connecting block is rotatably connected with a U-shaped plate, the outer wall of the U-shaped plate is rotatably connected with a T-shaped frame, and the lower outer wall of the T-shaped frame is rotatably connected in the hollow box.

[0013] Preferably, the upper surface of the connecting block is fixedly connected with a fixing rod, the outer wall of the fixing rod is slidably connected in the hollow box, and the inner wall of the fixing rod is fixedly connected with a clamping block.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the height of the thread milling cutter is adjusted through the cooperation of the electric push rod, the rack, the sliding seat, the gear, the connecting rod, the L-shaped plate, the push plate, the fixing frame, the fixed plate and the telescopic rod, the height of different workpieces is adapted, the internal thread at different positions of the workpiece can also be machined, and the flexibility of machining is enhanced.

[0016] 2. In the utility model, the workpiece is clamped and fixed through the cooperation of the hollow box, the hydraulic cylinder, the transmission block, the connecting block, the supporting rod, the U-shaped plate, the T-shaped frame, the fixing rod and the clamping block, the time of manual assistance is reduced, the machining efficiency is improved, the workpiece is prevented from being thrown out during machining, and the safety of operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of the internal thread milling equipment is provided for the utility model;

[0018] Figure 2 A partial structure schematic view of the L-shaped plate of the internal thread milling equipment is provided for the utility model;

[0019] Figure 3 A partial structure schematic view of the transmission block of the internal thread milling equipment is provided for the utility model;

[0020] Figure 4 A hollow box internal structure sectional view of the internal thread milling equipment is provided for the utility model.

[0021] LEGEND:

[0022] 1, worktable; 2, electric push rod; 3, rack; 4, sliding seat; 5, gear; 6, connecting rod; 7, L-shaped plate; 8, push plate; 9, fixed frame; 10, fixed plate; 11, telescopic rod; 12, electric sliding table; 13, motor; 14, threaded milling cutter; 15, hollow box; 16, hydraulic cylinder; 17, transmission block; 18, connecting block; 19, support rod; 20, U-shaped plate; 21, T-shaped frame; 22, fixed rod; 23, clamping block. DETAILED DESCRIPTION

[0023] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Referring to Figure 1 and Figure 2 An embodiment provided by the utility model: a kind of internal thread milling equipment, including worktable 1, the upper surface of worktable 1 is fixedly connected with electric push rod 2, the output end of electric push rod 2 is fixedly connected with rack 3, the lower surface of rack 3 is fixedly connected with sliding seat 4, the tooth end of rack 3 is engagedly connected with gear 5, the inside of gear 5 is fixedly connected with connecting rod 6, the outer wall of connecting rod 6 is rotatably connected in the inside of worktable 1, the outer wall of the middle part of connecting rod 6 is fixedly connected with L-shaped plate 7, the outer wall of L-shaped plate 7 is rotatably connected with push plate 8, the inside of push plate 8 is rotatably connected with fixed frame 9, the upper surface of fixed frame 9 is fixedly connected with fixed plate 10, the lower surface of fixed plate 10 is fixedly connected with telescopic rod 11, the upper side outer wall of fixed plate 10 is provided with milling assembly, and milling assembly is used for milling workpiece;Milling assembly includes electric sliding table 12, the inner wall of electric sliding table 12 is slidably connected in the upper side outer wall of fixed plate 10, the inner wall of electric sliding table 12 is fixedly connected with motor 13, and the output end of motor 13 is fixedly provided with threaded milling cutter 14;

[0025] Specifically, the electric push rod 2 is started, the rack 3 is pushed, the gear 5 and the connecting rod 6 are driven, the upper surface of the workbench 1 is provided with a square plate, the rotation of the connecting rod 6 is supported, the L-shaped plate 7 is driven to rotate by the connecting rod 6, so that the push plate 8 moves upward, under the limiting action of the fixed frame 9, the push plate 8 lifts the fixed frame 9 upward, so that the height of the fixed plate 10 is adjusted, when the height of the fixed plate 10 is adjusted, the telescopic rod 11 limits the fixed plate 10, the upper surface of the fixed plate 10 is provided with a sliding rail, the movement of the electric sliding table 12 is limited, the U-shaped plate 20 moves on the outer wall of the fixed plate 10, so as to drive the motor 13 and the threaded milling cutter 14 to move from right to left, and then the workpiece is threaded.

[0026] With reference to Figure 2 and Figure 3 , the inner wall of the sliding seat 4 is slidably connected to the upper outer wall of the workbench 1, the lower surface of the telescopic rod 11 is fixedly connected to the upper surface of the workbench 1, and the upper surface of the workbench 1 is fixedly connected with the hollow box 15.

[0027] Specifically, the upper surface of the workbench 1 is provided with a sliding block, which offsets the movement of the sliding seat 4, and the workbench 1 limits the hollow box 15.

[0028] With reference to Figure 3 and Figure 4 , the outer wall of the hollow box 15 is fixedly connected with the hydraulic cylinder 16, and the output end of the hydraulic cylinder 16 is fixedly connected with the transmission block 17; the outer wall of the transmission block 17 is slidably connected in the hollow box 15, the right outer wall of the transmission block 17 is fixedly connected with the connecting block 18; the inner part of the connecting block 18 is slidably connected with the supporting rod 19, and the two ends of the supporting rod 19 are fixedly connected to the inner wall of the hollow box 15; the inner part of the connecting block 18 is rotatably connected with the U-shaped plate 20, the outer wall of the U-shaped plate 20 is rotatably connected with the T-shaped frame 21, and the lower outer wall of the T-shaped frame 21 is rotatably connected in the inner part of the hollow box 15; the upper surface of the connecting block 18 is fixedly connected with the fixed rod 22, the outer wall of the fixed rod 22 is slidably connected in the inner part of the hollow box 15, and the inner wall of the fixed rod 22 is fixedly connected with the clamping block 23.

[0029] Specifically, the hydraulic cylinder 16 is started, the transmission block 17 is driven, the connecting block 18 is driven, the fixed supporting rod 19 is used to support and limit the movement of the connecting block 18, the two sides of the U-shaped plate 20 are provided with short rods, which are connected with the connecting block 18 and the T-shaped frame 21, the connecting block 18 is used to rotate the T-shaped frame 21, the inner part of the hollow box 15 supports the rotation of the T-shaped frame 21, and the movement of the fixed rod 22 is limited in the inner part of the hollow box 15.

[0030] Working principle: when using the device, the workpiece is placed on the surface of the hollow box 15, the hydraulic cylinder 16 is started, the transmission block 17 is pulled, the connecting block 18 is moved forward on the outer wall of the support rod 19, so that the U-shaped plate 20 moves forward, the T-shaped frame 21 is pushed to rotate, under the action of the T-shaped frame 21, the connecting block 18 on both sides of the support rod 19 moves to the center of the T-shaped frame 21, so that the fixed rod 22 and the clamping block 23 move to the center of the T-shaped frame 21, the workpiece is clamped and fixed, the motor 13 is started, the threaded milling cutter 14 is driven to rotate, the electric sliding table 12 is used to drive the motor 13 and the threaded milling cutter 14 to move, so that the workpiece is processed from the surface to the depth, when the height of the threaded milling cutter 14 needs to be adjusted, the electric push rod 2 is started, the rack 3 and the sliding seat 4 are pushed to move, the gear 5 and the connecting rod 6 are driven to rotate, at the same time, the connecting rod 6 drives the L-shaped plate 7 to rotate to the right, so that the push plate 8 moves upward, under the limiting of the fixed frame 9, the fixed plate 10 is further pushed upward, the telescopic rod 11 is stretched, the fixed plate 10 is used to drive the electric sliding table 12 and the motor 13 to move upward, so that the height of the threaded milling cutter 14 is adjusted, the device not only adjusts the height of the threaded milling cutter 14 during use, but also realizes the rapid clamping and dismounting of the workpiece, and reduces the auxiliary processing time.

[0031] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A tapping device comprising a worktable (1), characterized in that: The upper surface of the workbench (1) is fixedly connected with an electric push rod (2), the output end of the electric push rod (2) is fixedly connected with a rack (3), the lower surface of the rack (3) is fixedly connected with a sliding seat (4), the tooth end of the rack (3) is meshedly connected with a gear (5), the inside of the gear (5) is fixedly connected with a connecting rod (6), the outer wall of the connecting rod (6) is rotatably connected in the inside of the workbench (1), the middle outer wall of the connecting rod (6) is fixedly connected with an L-shaped plate (7), the outer wall of the L-shaped plate (7) is rotatably connected with a push plate (8), the inside of the push plate (8) is rotatably connected with a fixing frame (9), the upper surface of the fixing frame (9) is fixedly connected with a fixed plate (10), the lower surface of the fixed plate (10) is fixedly connected with an expansion rod (11), the upper side outer wall of the fixed plate (10) is provided with a milling assembly, and the milling assembly is used for milling a workpiece.

2. A device for milling an internal thread according to claim 1, characterized in that: The milling assembly comprises an electric sliding table (12), the inner wall of the electric sliding table (12) is slidably connected to the upper side outer wall of the fixed plate (10), the inner wall of the electric sliding table (12) is fixedly connected with a motor (13), and the output end of the motor (13) is fixedly provided with a threaded milling cutter (14).

3. A female threading apparatus as defined in claim 1, wherein: The inner wall of the sliding seat (4) is slidably connected to the upper side outer wall of the workbench (1), the lower surface of the expansion rod (11) is fixedly connected to the upper surface of the workbench (1), and the upper surface of the workbench (1) is fixedly connected with a hollow box (15).

4. A female threading apparatus as defined in claim 3, wherein: The outer wall of the hollow box (15) is fixedly connected with a hydraulic cylinder (16), and the output end of the hydraulic cylinder (16) is fixedly connected with a transmission block (17).

5. A female threading apparatus as defined in claim 4, wherein: The outer wall of the transmission block (17) is slidably connected in the inside of the hollow box (15), and the right side outer wall of the transmission block (17) is fixedly connected with a connecting block (18).

6. A female threading apparatus as defined in claim 5, wherein: The inside of the connecting block (18) is slidably connected with a supporting rod (19), and both ends of the supporting rod (19) are fixedly connected to the inner wall of the hollow box (15).

7. A female threading apparatus as defined in claim 5, wherein: The inside of the connecting block (18) is rotatably connected with a U-shaped plate (20), the outer wall of the U-shaped plate (20) is rotatably connected with a T-shaped frame (21), and the lower side outer wall of the T-shaped frame (21) is rotatably connected in the inside of the hollow box (15).

8. A female threading apparatus as defined in claim 5, wherein: The upper surface of the connecting block (18) is fixedly connected with a fixed rod (22), the outer wall of the fixed rod (22) is slidably connected in the inside of the hollow box (15), and the inner wall of the fixed rod (22) is fixedly connected with a clamping block (23).

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