CN210360518U - Digit control machine tool lead screw prestretches mechanism convenient to maintenance - Google Patents
Digit control machine tool lead screw prestretches mechanism convenient to maintenance Download PDFInfo
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- CN210360518U CN210360518U CN201920328724.7U CN201920328724U CN210360518U CN 210360518 U CN210360518 U CN 210360518U CN 201920328724 U CN201920328724 U CN 201920328724U CN 210360518 U CN210360518 U CN 210360518U
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Abstract
The utility model belongs to the digit control machine tool field, especially, digit control machine tool lead screw pretension mechanism convenient to maintenance to current when lead screw wearing and tearing need be changed, because the space in the lathe is narrow and small, has restricted maintenance personal's operating space to make maintenance duration long, cause the unable normal use of lathe problem, the following scheme is proposed at present, and it includes the lathe body, this internal movable mounting of lathe has the saddle, fixed mounting has two fixed blocks on the bottom side inner wall of lathe body, and the mounting groove has all been seted up to the top side of two fixed blocks. The utility model discloses simple structure injects the installation piece in the mounting groove, then rotatory oval piece can be so that the installation piece is fixed, can accomplish the installation of saddle, and on the same principle can be so that saddle convenient to detach to make the saddle wholly take out, let the maintenance personal have sufficient space to maintain, improved maintenance efficiency, guaranteed the use that causes of lathe.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a digit control machine tool lead screw prestretches mechanism convenient to maintenance.
Background
The numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier.
The publication number is CN206561313U discloses a digit control machine tool lead screw pretension mechanism, including the lead screw, the nut seat, X is to motor cabinet, the bearing frame, the slider, the line rail and the saddle, be equipped with the nut seat on the lead screw, the rear end installation X of lead screw is to motor cabinet, the front end of lead screw is equipped with the bearing, the bearing is located in the bearing frame, the bearing frame front end is equipped with the bearing cap, X is to the motor cabinet through the screw fixation in the rear end of saddle, the bearing frame passes through the screw fixation in saddle top, the middle part of saddle is located to the lead screw, be equipped with the line rail on the saddle of the both sides of lead screw, adopt the lead screw in this device, the precision of lead screw is higher, but in this device, when the lead screw wearing and tearing need to change, because narrow and small space in the lathe, maintenance personal's operating space has been restricted, thereby make.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the screw rod is worn and torn when needing to be changed in the prior art, because the space in the lathe is narrow and small, the operation space of maintenance personnel is limited, thereby making the maintenance duration long, causing the shortcoming of the unable normal use of lathe, and the digit control machine tool lead screw of a maintenance of being convenient for prestretch tight mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a numerically-controlled machine tool lead screw pre-tensioning mechanism convenient to maintain comprises a machine tool body, wherein a saddle is movably mounted in the machine tool body, two fixing blocks are fixedly mounted on the inner wall of the bottom side of the machine tool body, mounting grooves are formed in the top sides of the two fixing blocks, mounting blocks are movably mounted in the two mounting grooves, one sides, close to each other, of the two mounting blocks are fixedly mounted on the two sides of the saddle respectively, a mounting cavity is formed in each fixing block, a jack is formed in the inner wall of the top side of the mounting cavity and communicated with the mounting grooves, a pressing plate is fixedly mounted on the bottom side of each mounting block, an L-shaped inserting rod is fixedly mounted on the bottom side of each pressing plate, the bottom end of each L-shaped inserting rod penetrates through the jacks, a U-shaped rod is rotatably mounted on the inner wall of the top side of the mounting cavity, a first spring fixedly arranged on the inner wall of the top side of the installation cavity is arranged between the U-shaped rod and the L-shaped inserted rod, the bottom end of the first spring is fixedly provided with a pushing block, the top side of the pushing block is contacted with one side of the L-shaped inserted rod, one side of the pushing block is rotatably provided with a driving rod, one side of the driving rod is rotatably arranged on one side of the U-shaped rod, the inner wall of the top side of the installation cavity is provided with an elliptical hole, the pushing rod is movably arranged in the elliptical hole, two ends of the pushing rod extend out of the elliptical hole, the top end of the pushing rod is movably provided with an elliptical block, the bottom side of the elliptical block is contacted with the top side of the fixed block, when the saddle needs to be installed, the installation blocks positioned at two sides of the saddle are respectively inserted into the two installation grooves, so that the installation blocks drive the pressing plate to move, the pressing plate drives the L-shaped inserted rod into the insertion hole and, u type pole rotates and drives the fixture block and injects in the draw-in groove, thereby fixed column L type inserted bar, U type pole rotates simultaneously and passes through gangbar pulling V type pole removal, V type pole removal is through gag lever post horizontal migration in the spout, V type pole removes in the driving hole simultaneously, thereby make catch bar rebound and make the second spring atress, the catch bar removes outside pushing ellipse piece removes out the elliptical aperture, rotatory oval piece this moment, make oval piece rotate on rotatory piece through the rotation groove, make oval piece be perpendicular connection state with the catch bar, thereby make oval piece block on the top side of fixed block, can accomplish the installation of saddle, like the dismantlement that can be convenient.
Preferably, the drive hole that is located the installation intracavity is seted up to one side of catch bar, and one side of U type pole is rotated and is installed the gangbar, and one side of gangbar is rotated and is installed V type pole, and the drive hole is run through to the one end of V type pole, and U type pole rotates and passes through gangbar pulling V type pole and remove, and V type pole removes through gag lever post horizontal migration in the spout, and V type pole removes in the drive hole simultaneously to make catch bar rebound.
Preferably, the bottom fixed mounting of catch bar has the one end of second spring, and the bottom fixed mounting of second spring has seted up the spout on the bottom side inner wall of installation cavity, and movable mounting has the gag lever post in the spout, and the top fixed mounting of gag lever post is on the bottom side of V type pole, and the V type pole removes through gag lever post horizontal migration in the spout, and V type pole removes in driving the downthehole simultaneously to make catch bar rebound and make the second spring atress.
Preferably, all fixed mounting has the rubber pad on the inner wall all around of draw-in groove, the fixture block all around with the in close contact with all around of rubber pad, through the setting of rubber pad for the fixture block can be more firm the card in the draw-in groove.
Preferably, the bottom side of the oval block is provided with a groove, the top end of the push rod extends into the groove, the inner wall of the groove is annularly provided with a rotating groove, a rotating block is movably mounted in the rotating groove, the top end of the push rod is fixedly mounted on the bottom side of the rotating block, and the oval block is rotated at the moment so that the oval block rotates on the rotating block through the rotating groove and is in a vertical connection state with the push rod.
In the utility model, through the matching use of the machine tool body, the saddle, the fixed block, the mounting groove, the mounting block, the mounting cavity, the jack, the L-shaped inserted bar, the press plate, the U-shaped bar, the driving bar, the clamping groove and the pushing block, when the saddle needs to be mounted, the mounting blocks at two sides of the saddle are respectively inserted into the two mounting grooves, so that the mounting block drives the press plate to move, the press plate drives the L-shaped inserted bar to be inserted into the jack and drives the pushing block to move, thereby leading the first spring to bear force, the pushing block moves to drive the U-shaped bar to rotate through the driving bar, the U-shaped bar rotates to drive the clamping block to be inserted into the clamping groove, thereby fixing the L-shaped inserted bar, through the matching use of the machine tool body, the saddle, the fixed block, the U-shaped bar, the driving bar, the clamping groove, the elliptical hole, the pushing bar, the elliptical hole, the driving hole, the, the V-shaped rod moves horizontally in the sliding groove through the limiting rod, and meanwhile, the V-shaped rod moves in the driving hole, so that the pushing rod moves upwards, the pushing rod moves to push the elliptical block to move out of the elliptical hole, the elliptical block is rotated at the moment, the elliptical block rotates on the rotating block through the rotating groove, the elliptical block and the pushing rod are in a vertical connection state, the elliptical block is clamped on the top side of the fixed block, and the installation of the saddle can be completed;
the utility model discloses simple structure injects the installation piece in the mounting groove, then rotatory oval piece can be so that the installation piece is fixed, can accomplish the installation of saddle, and on the same principle can be so that saddle convenient to detach to make the saddle wholly take out, let the maintenance personal have sufficient space to maintain, improved maintenance efficiency, guaranteed the use that causes of lathe.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a numerical control machine tool screw rod pre-tensioning mechanism convenient for maintenance according to the present invention;
fig. 2 is a schematic top view of a portion a in fig. 1 of a numerical control machine tool screw rod pre-tensioning mechanism convenient for maintenance according to the present invention;
fig. 3 is a schematic structural diagram of a portion a1 in fig. 2 of a numerical control machine tool screw rod pre-tensioning mechanism convenient for maintenance according to the present invention;
fig. 4 is a schematic structural diagram of a portion a2 in fig. 2 of the numerically-controlled machine tool screw rod pretensioning mechanism convenient for maintenance according to the present invention.
In the figure: the device comprises a machine tool body 1, a saddle 2, a fixing block 3, a mounting groove 4, a mounting block 5, a mounting cavity 6, a jack 7, an 8L-shaped inserted rod, a pressing plate 9, a U-shaped rod 10, a driving rod 11, a clamping groove 12, an elliptical hole 13, a pushing rod 14, an elliptical block 15, a driving hole 16, a V-shaped rod 17, a linkage rod 18, a limiting rod 19, a groove 20 and a pushing block 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a numerical control machine lead screw pretensioning mechanism convenient for maintenance comprises a machine tool body 1, a saddle 2 is movably installed in the machine tool body 1, two fixing blocks 3 are fixedly installed on the inner wall of the bottom side of the machine tool body 1, mounting grooves 4 are respectively formed in the top sides of the two fixing blocks 3, mounting blocks 5 are respectively movably installed in the two mounting grooves 4, one sides of the two mounting blocks 5, which are close to each other, are respectively and fixedly installed on the two sides of the saddle 2, a mounting cavity 6 is formed in the fixing block 3, a jack 7 is formed in the inner wall of the top side of the mounting cavity 6, the jack 7 is communicated with the mounting grooves 4, a pressing plate 9 is fixedly installed on the bottom side of the mounting block 5, an L-shaped insert rod 8 is fixedly installed on the bottom side of the pressing plate 9, the jack 7 penetrates through the bottom end of the L-shaped insert rod 8, one end of a U-shaped rod 10 is fixedly provided with a clamping block, one side of the clamping block extends into a clamping groove 12, a first spring fixedly arranged on the inner wall of the top side of an installation cavity 6 is arranged between the U-shaped rod 10 and an L-shaped inserted rod 8, the bottom end of the first spring is fixedly provided with a pushing block 21, the top side of the pushing block 21 is contacted with one side of the L-shaped inserted rod 8, one side of the pushing block 21 is rotatably provided with a driving rod 11, one side of the driving rod 11 is rotatably arranged on one side of the U-shaped rod 10, the inner wall of the top side of the installation cavity 6 is provided with an elliptical hole 13, a pushing rod 14 is movably arranged in the elliptical hole 13, two ends of the pushing rod 14 extend out of the elliptical hole 13, the top end of the pushing rod 14 is movably provided with an elliptical block 15, the bottom side of the elliptical block 15 is contacted with the top side of the fixed block 3, when the, so that the mounting block 5 drives the pressing plate 9 to move, the pressing plate 9 drives the L-shaped insertion rod 8 to be inserted into the insertion hole 7 and drives the pushing block 21 to move, thereby stressing the first spring, the pushing block 21 moves to drive the U-shaped rod 10 to rotate through the driving rod 11, the U-shaped rod 10 rotates to drive the clamping block to be inserted into the clamping groove 12, thereby fixing the L-shaped insertion rod 8, meanwhile, the U-shaped rod 10 rotates to pull the V-shaped rod 17 to move through the linkage rod 18, the V-shaped rod 17 moves horizontally in the sliding groove through the limiting rod 19, meanwhile, the V-shaped rod 17 moves in the driving hole 16, thereby enabling the pushing rod 14 to move upwards and stressing the second spring, the pushing rod 14 moves to push the elliptical block 15 to move out of the elliptical hole 13, at the moment, the elliptical block 15 rotates on the rotating block through the rotating groove, so that the elliptical block 15 and the pushing rod 14 are in a vertical connection state, thereby clamping the elliptical block 15 on the top side of the fixed block 3, the installation of the saddle 2 can be completed, and the disassembly can be convenient and fast in the same way.
The utility model discloses in, the drive hole 16 that is located installation cavity 6 is seted up to one side of catch bar 14, one side of U type pole 10 is rotated and is installed gangbar 18, one side of gangbar 18 is rotated and is installed V type pole 17, the one end of V type pole 17 runs through and drives hole 16, U type pole 10 is rotated and is removed through 18 pulling V type poles 17 of gangbar, V type pole 17 removes through gag lever post 19 horizontal migration in the spout, V type pole 17 removes in driving hole 16 simultaneously to make catch bar 14 upwards remove.
The utility model discloses in, the bottom fixed mounting of catch bar 14 has the one end of second spring, the bottom fixed mounting of second spring is on the bottom side inner wall of installation cavity 6, the spout has been seted up on the bottom side inner wall of installation cavity 6, movable mounting has gag lever post 19 in the spout, the top fixed mounting of gag lever post 19 is on the bottom side of V type pole 17, V type pole 17 removes through gag lever post 19 horizontal migration in the spout, V type pole 17 removes in driving hole 16 simultaneously, thereby make catch bar 14 remove upwards and make the second spring atress.
The utility model discloses in, equal fixed mounting has the rubber pad on the inner wall all around of draw-in groove 12, the fixture block all around with the in close contact with all around of rubber pad, through the setting of rubber pad for card that the fixture block can be more firm is in draw-in groove 12.
The utility model discloses in, recess 20 has been seted up to the bottom side of oval piece 15, and in the top of catch bar 14 extended to recess 20, the swivelling chute has been seted up to the annular on the inner wall of recess 20, and movable mounting has a rotatory piece in the swivelling chute, and the top fixed mounting of catch bar 14 is on the bottom side of rotatory piece, and rotatory oval piece 15 this moment for oval piece 15 rotates on rotatory piece through the swivelling chute, makes oval piece 15 be perpendicular connected state with catch bar 14.
In the utility model, when the saddle 2 needs to be installed, the installation blocks 5 on both sides of the saddle 2 are respectively inserted into the two installation grooves 4, so that the installation blocks 5 drive the pressing plate 9 to move, the pressing plate 9 drives the L-shaped inserted bar 8 to be inserted into the insertion hole 7 and drives the pushing block 21 to move, thereby the first spring is stressed, the pushing block 21 moves to drive the U-shaped bar 10 to rotate through the driving bar 11, the U-shaped bar 10 rotates to drive the clamping block to be inserted into the clamping groove 12, thereby the L-shaped inserted bar 8 is fixed, meanwhile, the U-shaped bar 10 rotates to drive the V-shaped bar 17 to move through the linkage bar 18, the V-shaped bar 17 moves horizontally in the sliding groove through the limiting bar 19, meanwhile, the V-shaped bar 17 moves in the driving hole 16, thereby the pushing bar 14 moves upwards and the second spring is stressed, the pushing bar 14 moves to push the elliptical block 15 to move out of the elliptical hole 13, at this moment, the oval block 15 is enabled to rotate on the rotating block through the rotating groove, the oval block 15 and the pushing rod 14 are in a vertical connection state, the oval block 15 is clamped on the top side of the fixing block 3, the saddle 2 can be installed, and similarly, the disassembly can be conveniently and rapidly achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A numerical control machine lead screw pre-tensioning mechanism convenient to maintain comprises a machine tool body (1), wherein a saddle (2) is movably mounted in the machine tool body (1), and is characterized in that two fixing blocks (3) are fixedly mounted on the inner wall of the bottom side of the machine tool body (1), mounting grooves (4) are formed in the top sides of the two fixing blocks (3), mounting blocks (5) are movably mounted in the two mounting grooves (4), one sides, close to each other, of the two mounting blocks (5) are fixedly mounted on the two sides of the saddle (2) respectively, a mounting cavity (6) is formed in the fixing blocks (3), jacks (7) are formed in the inner wall of the top side of the mounting cavity (6), the jacks (7) are communicated with the mounting grooves (4), a pressing plate (9) is fixedly mounted on the bottom side of the mounting blocks (5), and an L-shaped inserting rod (8) is fixedly, the bottom end of the L-shaped inserted bar (8) penetrates through the jack (7), a U-shaped bar (10) is rotatably installed on the inner wall of the top side of the installation cavity (6), a clamping groove (12) is formed in one side of the L-shaped inserted bar (8), a clamping block is fixedly installed at one end of the U-shaped bar (10), one side of the clamping block extends into the clamping groove (12), a first spring fixedly installed on the inner wall of the top side of the installation cavity (6) is arranged between the U-shaped bar (10) and the L-shaped inserted bar (8), a pushing block (21) is fixedly installed at the bottom end of the first spring, the top side of the pushing block (21) is in contact with one side of the L-shaped inserted bar (8), a driving bar (11) is rotatably installed on one side of the U-shaped bar (10), an elliptical hole (13) is formed in the inner wall of the top side of the installation cavity (6), and a pushing bar (14) is movably installed in the elliptical hole, both ends of the push rod (14) extend out of the elliptical hole (13), an elliptical block (15) is movably mounted at the top end of the push rod (14), and the bottom side of the elliptical block (15) is in contact with the top side of the fixed block (3).
2. The numerical control machine screw rod pretensioning mechanism convenient to maintain according to claim 1, characterized in that one side of the pushing rod (14) is provided with a driving hole (16) located in the installation cavity (6), one side of the U-shaped rod (10) is rotatably provided with a linkage rod (18), one side of the linkage rod (18) is rotatably provided with a V-shaped rod (17), and one end of the V-shaped rod (17) penetrates through the driving hole (16).
3. The numerical control machine screw rod pretensioning mechanism convenient to maintain according to claim 1, characterized in that one end of a second spring is fixedly installed at the bottom end of the pushing rod (14), the bottom end of the second spring is fixedly installed on the bottom side inner wall of the installation cavity (6), a sliding groove is formed on the bottom side inner wall of the installation cavity (6), a limiting rod (19) is movably installed in the sliding groove, and the top end of the limiting rod (19) is fixedly installed on the bottom side of the V-shaped rod (17).
4. The numerical control machine tool screw rod pre-tensioning mechanism convenient to maintain as claimed in claim 1, wherein rubber pads are fixedly mounted on the inner walls of the peripheries of the clamping grooves (12), and the peripheries of the clamping blocks are in close contact with the peripheries of the rubber pads.
5. The numerical control machine screw rod pretensioning mechanism convenient to maintain according to claim 1, characterized in that a groove (20) is formed in the bottom side of the oval block (15), the top end of the push rod (14) extends into the groove (20), a rotating groove is annularly formed in the inner wall of the groove (20), a rotating block is movably mounted in the rotating groove, and the top end of the push rod (14) is fixedly mounted on the bottom side of the rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328724.7U CN210360518U (en) | 2019-03-14 | 2019-03-14 | Digit control machine tool lead screw prestretches mechanism convenient to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328724.7U CN210360518U (en) | 2019-03-14 | 2019-03-14 | Digit control machine tool lead screw prestretches mechanism convenient to maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN210360518U true CN210360518U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328724.7U Active CN210360518U (en) | 2019-03-14 | 2019-03-14 | Digit control machine tool lead screw prestretches mechanism convenient to maintenance |
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| CN (1) | CN210360518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846890A (en) * | 2021-02-23 | 2021-05-28 | 陕西国防工业职业技术学院 | Large-scale numerical control machine tool equipment |
-
2019
- 2019-03-14 CN CN201920328724.7U patent/CN210360518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846890A (en) * | 2021-02-23 | 2021-05-28 | 陕西国防工业职业技术学院 | Large-scale numerical control machine tool equipment |
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Address after: 528400 1st Floor, Building B, No. 81-3, Jidong 2nd Yifeng Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: YAMAMOTO SEIKO TOOL Co.,Ltd. Address before: No. 2, Jidong Erhejin Street, Xiaolan Town, Zhongshan City, Guangdong Province, 528415 Patentee before: YAMAMOTO SEIKO TOOL Co.,Ltd. |