CN218460962U

CN218460962U - Lead screw slot milling machine

Info

Publication number: CN218460962U
Application number: CN202222524849.1U
Authority: CN
Inventors: 唐智辉
Original assignee: Jiaxing Shengsimeng Precision Machinery Co ltd
Current assignee: Jiaxing Shengsimeng Precision Machinery Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-02-10
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a lead screw slot milling machine, which comprises a workbench and a clamping mechanism arranged on the workbench, wherein a workpiece to be processed is fixed through the clamping mechanism; the groove milling mechanism is arranged on the workbench in a sliding manner and comprises two power heads; the worktable is provided with a driving oil cylinder, the driving oil cylinder is connected with the clamping mechanism, and the clamping mechanism is driven to move along a first direction through the driving oil cylinder, so that a workpiece to be processed in the clamping mechanism moves to a position between power heads in the groove milling mechanism. The utility model provides a lead screw groove cutting machine fixes the work piece of treating processing through the fixture that sets up on the workstation, orders about fixture through driving cylinder and slides along the first direction, sends into the one end of the inside fixed work piece of fixture between two unit heads in the groove cutting machine structure to set up out symmetrical keyway on treating processing work piece outer wall, symmetrical keyway can be set up out simultaneously in one-time processing, has improved the efficiency of lead screw keyway processing.

Description

Lead screw slot milling machine

Technical Field

The utility model relates to a ball screw production and processing technology field relates to a lead screw groove cutting machine particularly.

Background

The ball screw, also known as ball screw, is an ideal product for converting rotary motion into linear motion, and in the production process of the ball screw, a key groove needs to be formed in the end part of the screw so as to facilitate the subsequent installation of the screw.

According to the publication: CN217344632U, the utility model patent application of which publication date is 2022-09-02 discloses a lead screw keyway automatic processing equipment, which comprises a machine tool, the machine tool includes base and fixed mounting in lead screw cutting mechanism on the base, still includes lead screw stop gear and angle adjustment mechanism, lead screw stop gear with angle adjustment mechanism sets up relatively, respectively fixed mounting in on the base, angle adjustment mechanism by angle adjuster with install in the chuck on the angle adjuster is constituteed, be equipped with the thimble on the lead screw stop gear for guarantee that lead screw axial position does not have the drunkenness. The main technical effects are as follows: through setting up lead screw stop gear, lead screw removes cutting mechanism and angle adjustment mechanism, can fix a position the lead screw of waiting to cut fast, and guarantee that lead screw axial position does not have the drunkenness, realize the full automatic processing of lead screw axle head keyway, set up the autoloader in lathe one side, a large amount of lead screws can be stored to above-mentioned equipment, only need carry out material loading and unloading work once, avoid carrying out repeated unloading process, the repeated labouriness nature of personnel's transport has been reduced, the material loading efficiency has been promoted, need not personnel's participation in the course of working, processing and unloading process efficiency promote greatly, whole processes are automatic to be accomplished, safe efficient has reduced the defective product rate simultaneously, and the cost is reduced.

Above-mentioned current lead screw milling flutes equipment is when carrying out the milling flutes, because of only having a milling cutter piece, a keyway can only be milled to the single, when carrying out many keyways milling flutes operation to a lead screw tip, need consume the plenty of time, for this reason, a lead screw milling flutes machine is proposed, aim at solving current lead screw milling flutes equipment and only have a milling cutter piece when carrying out the milling flutes, a keyway can only be milled to the single, when carrying out many keyways milling flutes operation to a lead screw tip, need consume the problem of plenty of time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lead screw slot milling machine aims at solving current lead screw slot milling equipment and only has a milling cutter piece when carrying out the milling flutes, and a keyway can only be milled to the single, when carrying out the multi-key groove milling operation to a lead screw tip, need consume the problem of a large amount of time.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a lead screw slot milling machine, includes the workstation, still includes:

the clamping mechanism is arranged on the workbench and is connected to the workbench in a sliding mode along a first direction, and a workpiece to be machined is fixed through the clamping mechanism;

the groove milling mechanism is arranged on the workbench in a sliding mode along a second direction and comprises two power heads;

the workpiece to be machined in the clamping mechanism moves to a position between power heads in the groove milling mechanism.

As preferred, fixture includes first slip table, oil pressure chuck and presss from both sides tight hydro-cylinder, first slip table one side outer wall fixed mounting has the holding ring, movable mounting has the jacket location section of thick bamboo in the holding ring, press from both sides tight hydro-cylinder fixed mounting in the outer wall of jacket location section of thick bamboo one side, oil pressure chuck fixed mounting is inside the jacket location section of thick bamboo, the output that presss from both sides tight hydro-cylinder runs through and extends to inside the jacket location section of thick bamboo, press from both sides tight hydro-cylinder output butt in oil pressure chuck outer wall.

Preferably, be provided with graduation rotary mechanism on the first slip table, graduation rotary mechanism includes revolving cylinder, rotary rod, connecting pin and rotatory ring, revolving cylinder fixed mounting is in the outer wall of first slip table one side, the holding ring is run through to the one end of jacket location section of thick bamboo, rotatory ring one side outer wall fixed mounting has the connecting seat, the connecting seat passes through sliding key connection in jacket location section of thick bamboo, connecting pin fixed mounting is in rotatory ring one side outer wall, rotary rod one end is rotated and is connected in the connecting pin, the other end swing joint of rotary rod is in the revolving cylinder output.

Preferably, the outer wall of one side of the positioning ring is provided with a sliding groove, the outer wall of one side of the connecting seat is fixedly provided with a sliding rod, and the connecting seat is connected in the sliding groove in a sliding mode through the sliding rod.

Preferably, the milling groove mechanism further comprises two second sliding tables and two positioning rods, one power head is fixedly mounted on one of the second sliding tables, one end of each positioning rod is fixedly connected to one of the second sliding tables, and the other end of each positioning rod is slidably connected to the other second sliding table.

Preferably, a positioning plate is fixedly mounted on the outer wall of one side of the first sliding table, and a limiting block is connected to the positioning plate in a sliding mode.

In the technical scheme, the utility model provides a pair of lead screw groove cutting machine has following beneficial effect:

the workpiece to be machined is fixed through the clamping mechanism arranged on the workbench, the clamping mechanism is driven to slide along the first direction through the driving oil cylinder, one end of the workpiece fixed in the clamping mechanism is sent into the space between the two power heads in the milling groove mechanism, so that symmetrical key grooves are formed in the outer wall of the workpiece to be machined, the symmetrical key grooves can be formed in one-step machining, and the machining efficiency of the screw rod key grooves is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a part of the clamping mechanism provided by the embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of an oil pressure chuck according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of an oil pressure chuck according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a slot milling mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. a work table; 2. a clamping mechanism; 21. a first sliding table; 211. positioning a plate; 212. a limiting block; 22. An oil pressure chuck; 23. clamping the oil cylinder; 24. a positioning ring; 241. a chute; 242. a slide bar; 25. a jacket positioning cylinder; 26. an indexing rotation mechanism; 261. a rotating cylinder; 262. rotating the rod; 263. a connecting pin; 264. a rotating ring 2; 265. a connecting seat; 3. a groove milling mechanism; 31. a power head; 32. a second sliding table; 33. positioning a rod; 34. a threaded rod; 4. a driving oil cylinder; f1, a first direction; f2, second direction.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, a screw milling machine includes a working table 1, and further includes:

the clamping mechanism 2 is arranged on the workbench 1, the clamping mechanism 2 is connected to the workbench 1 in a sliding mode along a first direction F1, and a workpiece to be machined is fixed through the clamping mechanism 2;

the groove milling mechanism 3 is arranged on the workbench 1 in a sliding mode along a second direction F2, and the groove milling mechanism 3 comprises two power heads 31;

the automatic groove milling machine is characterized in that a driving oil cylinder 4 is arranged on the workbench 1, the driving oil cylinder 4 is connected with the clamping mechanism 2, and the driving oil cylinder 4 drives the clamping mechanism 2 to move along a first direction F1, so that a workpiece to be processed in the clamping mechanism 2 moves to a position between power heads 31 in the groove milling mechanism 3.

As shown in fig. 1, an X-Y plane coordinate system is established by using a top view of a workbench 1, a first direction F1 is parallel to a Y axis, a second direction F2 is parallel to the X axis, clamping mechanisms 2 are distributed along the second direction F2, specifically, a first slide rail and a second slide rail are respectively and fixedly mounted on an outer wall of one side of the workbench 1, wherein the first slide rail is distributed along the second direction F2, the second slide rail is distributed along the first direction F1, the clamping mechanisms 2 are disposed on the first slide rail, a groove milling mechanism 3 is disposed on the second slide rail, the groove milling mechanism 3 includes two power heads 31, a milling blade is disposed at an output end of each power head 31, the power heads 31 are preferably driving units such as driving motors and the like capable of driving the milling blade to keep axial rotation, a driving oil cylinder 4 is fixedly mounted on an outer wall of one side of the workbench 1, a movement direction of an output end of the driving oil cylinder 4 is parallel to the second direction F2, a workpiece to be processed is clamped in the clamping mechanism 2, an output end of the driving oil cylinder 4 is fixedly mounted on an outer wall of the clamping mechanism 2, the clamping mechanism 4 keeps the clamping mechanism 2 to move, and the workpiece to be processed, and the workpiece to pass through the inner portion of the groove milling mechanism 31 to be processed.

As the utility model provides a one of them embodiment, fixture 2 can be used for the fixed anchor clamps of axle type work piece for lathe tool bit anchor clamps etc.

The utility model discloses a, the work piece of treating processing is fixed through the fixture 2 that sets up on the workstation 1, orders about fixture 2 through drive cylinder 4 and slides along first direction F1, sends into the one end of the inside fixed work piece of fixture 2 between two unit heads 31 in the groove milling machine constructs 3 to set up symmetrical keyway on treating processing work piece outer wall, symmetrical keyway can be set up out simultaneously in one-time processing, the efficiency of lead screw keyway processing has been improved.

Fixture 2 includes first slip table 21, oil pressure chuck 22 and clamping cylinder 23, fixed mounting has a holding ring 24 on the outer wall of first slip table 21 one side, holding ring 24 axle center department offers the clearing hole that is used for through waiting to process the work piece, the cover location section of thick bamboo 25 has been cup jointed in the inside activity of holding ring 24, as shown in fig. 3 and fig. 4, the holding tank has been seted up to the inside cover location section of thick bamboo 25, oil pressure chuck 22 fixed mounting is inside the holding tank, clamping cylinder 23 fixed mounting is on the outer wall of cover location section of thick bamboo 25 one end one side, the output of clamping cylinder 23 runs through and extends to the holding tank inside, and the output of clamping cylinder 23 keeps the butt with oil pressure chuck 22, as shown in fig. 4, oil pressure chuck 22 is circular structure, and logical groove has been seted up on oil pressure chuck 22 of circular structure, make can be through after exerting pressure at oil pressure chuck 22 outer wall, can make oil pressure chuck 22 closed, treat to process the work piece and carry out the centre gripping.

An indexing rotation mechanism 26 is arranged on the outer wall of one side of the first sliding table 21, the indexing rotation mechanism 26 comprises a rotation cylinder 261, a rotation rod 262, a connecting pin 263 and a rotation ring 264, an installation plate 266 is fixedly installed on the outer wall of one side of the first sliding table 21, the rotation cylinder 261 is fixedly installed on the outer wall of one side of the installation plate 266, a through hole for allowing the output end of the rotation cylinder 261 to pass through is formed in the outer wall of one side of the installation plate 266, specifically, the rotation cylinder 261 is a linear cylinder, as shown in fig. 3 and 4, a jacket positioning cylinder 25 penetrates through the positioning ring 24, two ends of the jacket positioning cylinder 25 are respectively located on two sides of the positioning ring 24, the rotation ring 264 is sleeved on one end of the jacket positioning cylinder 25 far away from the clamping cylinder 23, the rotation ring 264 is rotatably connected with the jacket positioning cylinder 25 through a bearing, as shown in fig. 2, the outer wall of the end face of one end of the jacket positioning cylinder 25 far away from the clamping cylinder 23 is provided with a connecting seat 265, specifically, the connecting seat 265 is in an L-shaped structure, a sliding key is fixedly installed on the inner wall of one side of the connecting seat 265, and a key groove of the jacket positioning cylinder 25 is connected with the rotating ring 265 through a key groove. The connecting pin 263 is fixedly installed on the outer wall of one side of the rotating ring 264 by welding, one end of the rotating rod 262 is rotatably connected on the outer wall of one end of the connecting pin 263, the other end of the rotating rod 262 is provided with a connecting groove, and the output end of the rotating cylinder 261 is slidably connected in the connecting groove. A sliding groove 241 is formed in the outer wall of one side of the positioning ring 24, specifically, the sliding groove 241 is of an arc-shaped structure, a sliding rod 242 is fixedly installed on the outer wall of one side of the connecting seat 265, and the connecting seat 265 is slidably connected to the inside of the sliding groove 241 through the sliding rod 242.

When using, through revolving cylinder 261 output extension, at first make revolving cylinder 261 output slide in the spread groove of rotary rod 262 one end, when revolving cylinder 261 output slides to extreme position in the spread groove, revolving cylinder 261 output and spread groove butt, and promote and rotate the connecting pin 263 motion of being connected with rotary rod 262, make connecting pin 263 promote rotatory ring 264 and rotate on holding ring 24 outer wall, and then drive the rotation of jacket location section of thick bamboo 25, make the rotation of oil pressure chuck 22 in the jacket location section of thick bamboo 25, treat the processing work piece of centre gripping and rotate.

The milling groove mechanism 3 comprises two second sliding tables 32 and two positioning rods 33, the number of the second sliding tables 32 is two, one power head 31 is fixedly mounted on the second sliding table 32, the other power head 31 is fixedly mounted on the other second sliding table 32, and the second sliding table 32 is slidably connected to a second sliding rail, as shown in fig. 5, a threaded rod 34 is rotatably connected to the outer wall of the second sliding table 32, the threaded rod 34 is in threaded connection with one end of the second sliding rail, the position of the second sliding table 32 on the second sliding rail can be adjusted by rotating the threaded rod 34, one end of the positioning rod 33 is fixedly connected to one second sliding table 32, the other end of the positioning rod 33 is slidably connected to the other second sliding table 32, the distance between the milling cutter blades mounted at the output ends of the two power heads 31 is adjusted by rotating the threaded rod 34 to adjust the positions of the second sliding tables 32 on the second sliding rail, so as to adapt to the lead screws with different diameters.

There is a locating plate 211 at the outer wall fixed mounting of first slip table 21 one side, and sliding connection has a stopper 212 on locating plate 211, and stopper 212 is used for the location to wait to process the distance between work piece and the holding ring 24, has all seted up on the outer wall of the relative both sides of stopper 212 and has dodged the groove for through the milling cutter piece on the unit head 31, prevent that stopper 212 and milling cutter piece from producing the collision.

The working principle is as follows:

the first step is as follows: the distance between the power heads 31 is adjusted through a threaded rod 34;

the second step: putting a workpiece to be processed into the oil pressure chuck 22, and driving the oil pressure chuck 22 through the clamping oil cylinder 23 to fix the workpiece to be processed;

the third step: the first sliding table 21 is driven to move towards the groove milling mechanism 3 through the driving oil cylinder 4, so that a workpiece to be machined, which is fixed through the oil pressure chuck 22, is subjected to groove milling through a milling blade on the power head 31;

when only two key grooves need to be milled, the machining is finished at the moment, the driving oil cylinder 4 and the clamping oil cylinder 23 are reset in sequence, a workpiece to be machined is taken out, and when more than two key grooves need to be milled, the machining is carried out according to the fourth step;

the fourth step: the driving oil cylinder 4 is reset, the output end of the rotating cylinder 261 extends to drive the rotating ring 264 and the jacket positioning cylinder 25 to rotate, so that the workpiece is rotated, the rotating cylinder 261 is stopped after the workpiece rotates for a certain angle, the rotating angle of the workpiece can be determined according to the number of the key slots, and if four key slots need to be machined, the workpiece needs to be rotated in a right angle;

the fifth step: the driving oil cylinder 4 drives the first sliding table 21 to move towards the groove milling mechanism 3, so that a workpiece to be machined, which is fixed by the oil pressure chuck 22, is subjected to groove milling through a milling blade on the power head 31;

and a sixth step: after the completion, the driving oil cylinder 4, the rotary air cylinder 261 and the clamping oil cylinder 23 are reset in sequence, and the workpiece to be machined is taken out.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a lead screw slot milling machine, includes workstation (1), its characterized in that still includes:

the clamping mechanism (2) is arranged on the workbench (1), the clamping mechanism (2) is connected to the workbench (1) in a sliding mode along a first direction (F1), and a workpiece to be machined is fixed through the clamping mechanism (2);

the groove milling mechanism (3) is arranged on the workbench (1) in a sliding mode along a second direction (F2), and the groove milling mechanism (3) comprises two power heads (31);

be provided with drive cylinder (4) on workstation (1), drive cylinder (4) with fixture (2) are connected, through drive cylinder (4) order about fixture (2) and move along first direction (F1), make in fixture (2) treat the work piece motion to groove cutting mechanism (3) between unit head (31).

2. The lead screw slot milling machine according to claim 1, characterized in that, fixture (2) includes first slip table (21), oil pressure chuck (22) and clamping cylinder (23), first slip table (21) one side outer wall fixed mounting has holding ring (24), movable mounting has the jacket location section of thick bamboo (25) in holding ring (24), clamping cylinder (23) fixed mounting is in the outer wall of jacket location section of thick bamboo (25) one side, oil pressure chuck (22) fixed mounting is inside jacket location section of thick bamboo (25), the output of clamping cylinder (23) runs through and extends to inside the jacket location section of thick bamboo (25), clamping cylinder (23) output butt is in oil pressure chuck (22) outer wall.

3. The lead screw slot milling machine according to claim 2, wherein an indexing rotating mechanism (26) is arranged on the first sliding table (21), the indexing rotating mechanism (26) comprises a rotating cylinder (261), a rotating rod (262), a connecting pin (263) and a rotating ring (264), the rotating cylinder (261) is fixedly arranged on the outer wall of one side of the first sliding table (21), one end of the jacket positioning cylinder (25) penetrates through the positioning ring (24), the outer wall of one side of the rotating ring (264) is fixedly provided with the connecting seat (265), the connecting seat (265) is connected to the jacket positioning cylinder (25) through a sliding key, the connecting pin (263) is fixedly arranged on the outer wall of one side of the rotating ring (264), one end of the rotating rod (262) is rotatably connected to the connecting pin (263), and the other end of the rotating rod (262) is movably connected to the output end of the rotating cylinder (261).

4. The screw rod slot milling machine as claimed in claim 3, wherein a sliding groove (241) is formed in an outer wall of one side of the positioning ring (24), a sliding rod (242) is fixedly mounted on an outer wall of one side of the connecting seat (265), and the connecting seat (265) is slidably connected in the sliding groove (241) through the sliding rod (242).

5. The lead screw slot milling machine according to claim 1, wherein the slot milling mechanism (3) further comprises two second sliding tables (32) and two positioning rods (33), one power head (31) is fixedly mounted on each second sliding table (32), one end of each positioning rod (33) is fixedly connected to one second sliding table (32), and the other end of each positioning rod (33) is slidably connected to the other second sliding table (32).

6. The screw rod slot milling machine as claimed in claim 2, wherein a positioning plate (211) is fixedly mounted on the outer wall of one side of the first sliding table (21), and a limiting block (212) is slidably connected to the positioning plate (211).