CN208246262U - A kind of numerically-controlled machine tool stroke limit control mechanism - Google Patents
A kind of numerically-controlled machine tool stroke limit control mechanism Download PDFInfo
- Publication number
- CN208246262U CN208246262U CN201820088496.6U CN201820088496U CN208246262U CN 208246262 U CN208246262 U CN 208246262U CN 201820088496 U CN201820088496 U CN 201820088496U CN 208246262 U CN208246262 U CN 208246262U
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- bar shaped
- shaped guide
- clamping plate
- sliding block
- numerically
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a kind of numerically-controlled machine tool stroke limit control mechanism, including rack, sliding block, hold-down support, limited block, travel switch and brake gear, rectangular recess is equipped in the middle part of rack top surface, two sides are equipped with two symmetrical bar shaped guide rails at the top of rectangular recess, sliding block is slidably disposed on two bar shaped guide rails, the bottom of rectangular recess is arranged in hold-down support, and top is equipped with limited block, and slider bottom is equipped with travel switch；Brake gear is symmetricly set on the two sides of slider end, including top cover, collet, guide post, pushing sleeve, clamping plate, cylinder and the piston being arranged in cylinder.Compared with prior art, the utility model has the beneficial effects that: overall structure is novel, by using brake gear, after travel switch contacts limited block, two clamping plates in brake gear can clamp bar shaped guide rail in time, play the role of Quick brake and positioning, substantially reduce the inertia effects of sliding block, limit accuracy is improved, the damage to servo motor is reduced.
Description
Technical field
The present invention relates to machine tool travel limit technical field more particularly to a kind of numerically-controlled machine tool stroke limit control mechanisms.
Background technique
Travel switch, one kind of position switch (also known as limit switch) are a kind of common low current master control electrical apparatus.It utilizes
The collision of manufacturing machine moving component makes its contact action to realize connection or disjunction control circuit, reaches certain control mesh
's.In general, this kind of switch is used to position or the stroke of limit mechanical movement in numerically-controlled machine tool, make movable machinery by a positioning
Set or stroke be automatically stopped, counter motion, variable motion or automatic back and forth movement etc..It may be mounted at opposing stationary object
On upper or movement object.When animal is close to still life, the contact of the connecting rod driving switch of switch causes the contact point of closure
Junction closure that is disconnected or disconnecting.The movement of control circuit and mechanism is gone by the change of make and break contact opening and closing state.
Currently, in numerically-controlled machine tool to travel switch in use, but being mostly to rely solely on travel switch to realize to servo
The stalling of motor and reverse turn operation, but since sliding block has inertia in operation, will affect the precision of limit, and to stalling
It causes to damage with the servo motor of reverse turn operation.
Summary of the invention
To solve the above problems, combining brake dress the invention discloses a kind of numerically-controlled machine tool stroke limit control mechanism
It sets, can effectively reduce the inertia of sliding block, improve the precision of limit, reduce the damage to servo motor.
In order to reach the goals above, the invention provides the following technical scheme:
A kind of numerically-controlled machine tool stroke limit control mechanism, it is characterised in that: including rack, sliding block, hold-down support, limiting block
Block, travel switch and brake gear, the rack top surface middle part are equipped with rectangular recess, and it is symmetrical to be equipped with two for two sides at the top of rectangular recess
Bar shaped guide rail, two bar shaped guide rails are arranged in parallel, and sliding block is slidably disposed on two bar shaped guide rails, the fixed branch
Seat is in rectangular parallelepiped structure, the bottom of rectangular recess is arranged in, and parallel with bar shaped guide rail, and top is equipped with limited block, institute
Slider bottom is stated equipped with travel switch, and the position of travel switch is corresponding with the position of limited block；The brake gear pair
Claim that the two sides of slider end are arranged in, including top cover, collet, guide post, pushing sleeve, clamping plate, cylinder and the piston being arranged in cylinder,
The collet includes slide post and the clamping section being made of two clamping plates that slide post bottom end is arranged in, and two clamping plates are symmetrically set
It sets in the two sides of bar shaped guide rail, and two clamping plates can be along relative direction elastic deformation, the apical lateral of the clamping plate is in upward
The inclined-plane of setting, the top of the collet are connect with the top cover that cylinder head is arranged in, and the pushing sleeve middle part is equipped with and slide post
Compatible through-hole, and pushing sleeve is coupled with piston, there are two the clamping plates, and the top of two clamping plates is arranged in horizontal symmetrical
Outside, and can slide up and down and be arranged in cylinder inner cavity lower section, inside and the clamping plate apical lateral inclined-plane of the clamping plate are mutually fitted
Match, and the inside of clamping plate is in contact with clamping plate apical lateral inclined-plane, the guide post upper and lower ends respectively with pushing sleeve bottom and folder
It is fixedly connected at the top of plate.
Further, the inside of the clamping plate is equipped with anti-slip layer.
Further, the anti-slip layer is rubber layer.
Further, the position of the limited block and travel switch can be interchanged.
Further, two side bottom of sliding block is equipped with bar shaped sliding slot compatible with bar shaped guide rail.
Compared with prior art, it is novel that the beneficial effects of the present invention are: overall structures, by using brake gear,
After travel switch contacts limited block, two clamping plates in brake gear can clamp bar shaped guide rail in time, play Quick brake
With the effect of positioning, the inertia effects of sliding block are substantially reduced, improve limit accuracy, reduce the damage to servo motor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of numerically-controlled machine tool stroke limit control mechanism of the present invention.
Fig. 2 is the structural schematic diagram of brake gear in a kind of numerically-controlled machine tool stroke limit control mechanism of the present invention.
Reference signs list:
1- rack, 2- sliding block, 3- hold-down support, 4- limited block, 5- travel switch, 6- brake gear, 61- top cover, 62-
Collet, 621- slide post, 622- clamping plate, 63- guide post, 64- pushing sleeve, 65- clamping plate, 66- cylinder, 67- piston, 7- bar shaped are led
Rail, 8- anti-slip layer.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As shown, a kind of numerically-controlled machine tool stroke limit control mechanism, including rack 1, sliding block 2, hold-down support 3, limit
Block 4, travel switch 5 and brake gear 6,1 top surface of rack middle part are equipped with rectangular recess, and two sides are equipped with two pairs at the top of rectangular recess
The bar shaped guide rail 7 of title, two bar shaped guide rails 7 are arranged in parallel, and sliding block 2 is slidably disposed on two bar shaped guide rails 7, fixed
Support 3 is in rectangular parallelepiped structure, the bottom of rectangular recess is arranged in, and parallel with bar shaped guide rail 7, and top is equipped with limited block
4,2 bottom of sliding block is equipped with travel switch 5, and the position of travel switch 5 is corresponding with the position of limited block 4；Brake gear 6 is right
The two sides that 2 end of sliding block is set, including top cover 61, collet 62, guide post 63, pushing sleeve 64, clamping plate 65, cylinder 66 and setting are claimed to exist
Piston 67 in cylinder 66, collet 62 include slide post 621 and be arranged in 621 bottom end of slide post by two 622 groups of clamping plate
At clamping section, two clamping plates 622 are symmetricly set on the two sides of bar shaped guide rail 7, and two clamping plates 622 can be along relative direction elasticity
Deformation, the apical lateral of clamping plate 622 are in the inclined-plane set up, the top of collet 62 and the top cover that 66 top of cylinder is arranged in
61 connect, and through-hole compatible with slide post 621 are equipped in the middle part of pushing sleeve 64, and pushing sleeve 64 is coupled with piston 67, clamping plate 65
There are two, the apical lateral of two clamping plates 622 is arranged in horizontal symmetrical, and can slide up and down and be arranged under 66 inner cavity of cylinder
Section, the inside of clamping plate 65 are adapted with 622 apical lateral inclined-plane of clamping plate, and outside the inside of clamping plate 65 and 622 top of clamping plate
Skew back face is in contact, and 63 upper and lower ends of guide post are fixedly connected at the top of 64 bottom of pushing sleeve and clamping plate 65 respectively.
Travel switch when work, when servo motor driving sliding block 2 is moved to certain position along bar shaped guide rail 7, on sliding block 2
Limited block 4 on 5 contact and hold-down support 3 collides, so that servo motor is made to stall or invert, at the same time, brake dress
The piston 67 set in 6 moves downward, so that pushing sleeve 64 be driven to move downward, pushing sleeve 64 drives clamping plate 65 to transport downwards by guide post 63
Dynamic, the medial surface of clamping plate 65 pushes the inclined-plane of 622 apical lateral of clamping plate, so that two clamping plates 622 inwardly clamp bar shaped guide rail
7, play the role of brake and positioning, greatly reduce the inertia effects of sliding block 2, improve limit accuracy, reduces to watching
The damage for taking motor, after sliding block 2 stops completely, piston 67 drives pushing sleeve 64 to move upwards, and clamping plate 65 is in guide post 63 at this time
It is moved upwards under drive, the inclined-plane no longer stress of two clamping plates, 622 apical lateral, under the action of natural resiliency restoring force, two
Clamping plate 622 unclamps bar shaped guide rail 7, facilitates subsequent operation.
In the present embodiment, the inside of clamping plate 622 is equipped with anti-slip layer 8, and anti-slip layer 8 is rubber layer, and two clampings can be improved
When plate 622 clamps bar shaped guide rail 7, the frictional resistance between clamping plate 622 and bar shaped guide rail 7 improves braking effect.
In the present embodiment, limited block 4 and the position of travel switch 5 can be interchanged.
In the present embodiment, 2 liang of side bottoms of sliding block are equipped with bar shaped sliding slot compatible with bar shaped guide rail 7.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. a kind of numerically-controlled machine tool stroke limit control mechanism, it is characterised in that: including rack (1), sliding block (2), hold-down support
(3), limited block (4), travel switch (5) and brake gear (6), rack (1) the top surface middle part are equipped with rectangular recess, rectangle
Groove top two sides are equipped with two symmetrical bar shaped guide rails (7), and two bar shaped guide rails (7) are arranged in parallel, and sliding block (2) is slidably
Setting on two bar shaped guide rails (7), the hold-down support (3) is in rectangular parallelepiped structure, the bottom of rectangular recess is set, and with
Bar shaped guide rail (7) is parallel, and top is equipped with limited block (4), and sliding block (2) bottom is equipped with travel switch (5), and stroke
The position for switching (5) is corresponding with the position of limited block (4)；
The brake gear (6) is symmetricly set on the two sides of sliding block (2) end, including top cover (61), collet (62), guide post
(63), pushing sleeve (64), clamping plate (65), cylinder (66) and the piston (67) being arranged in cylinder (66), the collet (62) include
Slide post (621) and setting are in the clamping section being made of two clamping plates (622) of slide post (621) bottom end, two clamping plates
(622) two sides of bar shaped guide rail (7) are symmetricly set on, and two clamping plates (622) can be along relative direction elastic deformation, the clamping
The apical lateral of plate (622) is in the inclined-plane set up, the top of the collet (62) and the top being arranged at the top of cylinder (66)
(61) connection is covered, compatible through-hole, and pushing sleeve (64) and piston (67) are equipped with slide post (621) in the middle part of the pushing sleeve (64)
It is coupled, there are two the clamping plates (65), and the apical lateral in two clamping plates (622) is arranged in horizontal symmetrical, and can go up downslide
Dynamic setting is adapted in cylinder (66) inner cavity lower section, the inside of the clamping plate (65) with clamping plate (622) apical lateral inclined-plane,
And the inside of clamping plate (65) is in contact with clamping plate (622) apical lateral inclined-plane, guide post (63) upper and lower ends respectively with push away
It is fixedly connected at the top of set (64) bottom and clamping plate (65).
2. a kind of numerically-controlled machine tool stroke limit control mechanism according to claim 1, it is characterised in that: the clamping plate
(622) inside is equipped with anti-slip layer (8).
3. a kind of numerically-controlled machine tool stroke limit control mechanism according to claim 2, it is characterised in that: the anti-slip layer
It (8) is rubber layer.
4. a kind of numerically-controlled machine tool stroke limit control mechanism according to claim 1, it is characterised in that: the limited block
(4) position with travel switch (5) can be interchanged.
5. a kind of numerically-controlled machine tool stroke limit control mechanism according to claim 1, it is characterised in that: the sliding block (2)
Two side bottoms are equipped with bar shaped guide rail (7) compatible bar shaped sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088496.6U CN208246262U (en) | 2018-01-19 | 2018-01-19 | A kind of numerically-controlled machine tool stroke limit control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088496.6U CN208246262U (en) | 2018-01-19 | 2018-01-19 | A kind of numerically-controlled machine tool stroke limit control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208246262U true CN208246262U (en) | 2018-12-18 |
Family
ID=64620246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820088496.6U Expired - Fee Related CN208246262U (en) | 2018-01-19 | 2018-01-19 | A kind of numerically-controlled machine tool stroke limit control mechanism |
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| Country | Link |
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| CN (1) | CN208246262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
-
2018
- 2018-01-19 CN CN201820088496.6U patent/CN208246262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
| CN113898634B (en) * | 2021-09-16 | 2024-05-14 | 能手模组技术(无锡)有限公司 | High-precision repeated positioning mechanical brake type rodless cylinder and operation method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |