CN212203013U - Positioning device for limiting stroke - Google Patents
Positioning device for limiting stroke Download PDFInfo
- Publication number
- CN212203013U CN212203013U CN202020723997.4U CN202020723997U CN212203013U CN 212203013 U CN212203013 U CN 212203013U CN 202020723997 U CN202020723997 U CN 202020723997U CN 212203013 U CN212203013 U CN 212203013U
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- screw rod
- lead screw
- slider
- support
- positioning device
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Abstract
The utility model discloses a positioning device for limiting stroke, which comprises a bracket, a screw rod and a screw rod slider, wherein the bracket consists of a bottom plate and a side plate, the screw rod slider comprises a first screw rod slider positioned at the left end of the screw rod and a second screw rod slider positioned at the right end of the screw rod, the back surface of the bracket is provided with a stroke switch for receiving signals, the stroke switch comprises a first stroke switch positioned at the left side of the back surface of the bracket and a second stroke switch positioned at the right side of the back surface of the bracket, the screw rod rotates forward to generate displacement, the first screw rod slider and the second screw rod slider are limited and can not rotate and can only move along with the screw rod, but the first screw rod slider touches a triggering elastic sheet of the first stroke switch, the upper limit is at the moment, then the screw rod rotates reversely to displace, the first screw rod slider and the second screw rod slider move reversely, when the second screw rod slider touches, the lower limit is achieved, the limiting moving process is completed, the whole structure is stable and reliable, the structure is simple, the use is convenient, and the positioning function is strong.
Description
Technical Field
The utility model relates to a positioner field, more specifically relates to a positioner of restriction stroke.
Background
The positioning device is commonly used for mechanical equipment needing position limiting, such as automatic rolling doors, automatic production lines and other automatic equipment, and the existing positioning device has the advantages of single function, high production cost, unstable and durable structure and poor reliability.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a low in production cost, the structure is firm, locate function is strong, the strong positioner of restriction stroke of reliability.
In order to solve the problem, the utility model adopts the following technical scheme:
a positioning device for limiting a stroke comprises a support, a screw rod, screw rod sliders and a travel switch, wherein the support is composed of a bottom plate and two side plates, the two side plates are respectively arranged on two sides of the bottom plate, the two side plates are respectively provided with through holes for installing the screw rod, the screw rod penetrates through the through holes on the two side plates, the screw rod sliders comprise a first screw rod slider positioned at the left end of the screw rod and a second screw rod slider positioned at the right end of the screw rod, the first screw rod slider and the second screw rod slider are fixed on the screw rod at a certain distance, the first screw rod slider and the second screw rod slider are respectively provided with a positioning piece, a limiting slide rail for being clamped with the positioning piece is arranged on the front side of the support, the first screw rod slider and the second screw rod slider are respectively connected with the limiting slide rail through the positioning piece, the travel switch for receiving signals is arranged on the back, the travel switches comprise a first travel switch located on the left side of the back face of the support and a second travel switch located on the right side of the back face of the support, the first travel switch and the second travel switch are both provided with trigger elastic pieces, and the distance between the first travel switch and the second travel switch is larger than the distance between the two screw rod sliding blocks.
Preferably, the bracket is provided with screw hole sites.
Preferably, the screw is provided with a bearing for driving the screw to move.
Preferably, the material of the bracket is sheet metal material.
Preferably, the material of the screw rod is T8 steel material.
Preferably, the number of the locating pieces is multiple, and the locating pieces are arranged on the screw rod sliding block in a surrounding mode.
Compared with the prior art, the utility model provides a positioning device for limiting stroke, which comprises a bracket, a screw rod and a screw rod slide block, wherein the bracket consists of a bottom plate and two side plates, the two side plates are respectively arranged at both sides of the bottom plate, the two side plates are both provided with through holes for installing the screw rod, the screw rod is arranged in the through holes on the two side plates in a penetrating way, the screw rod slide block comprises a first screw rod slide block positioned at the left end of the screw rod and a second screw rod slide block positioned at the right end of the screw rod, the first screw rod slide block and the second screw rod slide block are fixed on the screw rod at a certain distance, the first screw rod slide block and the second screw rod slide block are both provided with positioning pieces, the front side of the bracket is provided with a limiting slide rail for being clamped with the positioning pieces, the first screw rod slide block and the second screw rod slide block are both connected with the limiting slide rail through the, the travel switches comprise a first travel switch positioned on the left side of the back surface of the bracket and a second travel switch positioned on the right side of the back surface of the bracket, the first travel switch and the second travel switch are both provided with trigger spring pieces, the distance between the first travel switch and the second travel switch is larger than the distance between the two screw rod sliding blocks, the screw rods rotate in the positive direction to generate displacement, because the first screw rod slide block and the second screw rod slide block can not rotate in a limited way and can only move along with the screw rod, when the first screw rod slide block touches the trigger spring plate of the first travel switch, the upper limit is set at the moment, then the screw rod rotates reversely and moves reversely, the first screw rod slide block and the second screw rod slide block move reversely, when the second lead screw slide block touches the second travel switch, the lower limit is achieved at the moment, the limiting moving process is completed, the whole structure is stable and reliable, the structure is simple, the use is convenient, and the positioning function is strong.
Drawings
Fig. 1 is a schematic structural diagram of a positioning device for limiting a stroke according to the present invention at an upper limit position;
fig. 2 is a schematic structural diagram of the positioning device for limiting the stroke according to the present invention, which is located at the lower limit.
In the figure: 1. the device comprises a screw rod, a bottom plate, a side plate, a through hole, a first screw rod sliding block, a second screw rod sliding block, a positioning piece, a limiting sliding rail, a first travel switch, a second travel switch and a trigger elastic sheet, wherein the bottom plate is 2, the side plate is 3, the through hole is 4, the first screw rod sliding block is 5, the second screw rod sliding block is 6, the positioning piece is 7, the limiting sliding rail is 8, the.
Detailed Description
The utility model is further explained by referring to the attached drawings 1-2, and the positioning device for limiting the stroke comprises a bracket, a screw rod 1 and a screw rod slider, wherein the bracket is composed of a bottom plate 2 and two side plates 3, the two side plates 3 are respectively arranged at two sides of the bottom plate 2, the two side plates 3 are respectively provided with a through hole 4 for installing the screw rod 1, the screw rod 1 is arranged on the through holes 4 on the two side plates 3, the screw rod slider comprises a first screw rod slider 5 positioned at the left end of the screw rod 1 and a second screw rod slider 6 positioned at the right end of the screw rod 1, the first screw rod slider 5 and the second screw rod slider 6 are fixed on the screw rod 1 at a certain distance, the first screw rod slider 5 and the second screw rod slider 6 are respectively provided with a plurality of positioning pieces 7, the number of the positioning pieces 7 is a plurality, and the plurality of the positioning pieces 7 are arranged on the screw rod slider in a surrounding, the front of support is equipped with the spacing slide rail 8 that is used for with the block of spacer 7, first lead screw slider 5 and second lead screw slider 6 all are connected with spacing slide rail 8 through spacer 7, the back of support is equipped with the travel switch who is used for the received signal, travel switch is including the first travel switch 9 that is located support back left side and the second travel switch 10 that is located support back right side, first travel switch 9 and second travel switch 10 all are equipped with trigger shell fragment 11, the distance between first travel switch 9 and the second travel switch 10 is greater than the distance between first lead screw slider 5 and the second lead screw slider 6, and first travel switch 9 and second travel switch 10 all are connected with the host computer.
In order to fix the device in various automatic devices, the bracket is provided with screw hole positions.
In order to make the screw rod move in the positive rotation and the negative rotation, the screw rod 1 is provided with a bearing 12 for driving the screw rod 1 to move.
In order to improve the stability and the durability of the positioning device, the bracket is made of a sheet metal material, and the screw rod 1 is made of a T8 steel material.
The working process of the device is as follows:
the power supply is switched on, the screw rod 1 is controlled to rotate forwards and move leftwards through the bearing 12, the first screw rod slide block 5 and the second screw rod slide block 6 are driven to move leftwards, when the first screw rod slide block 5 contacts the trigger elastic piece 11 of the first travel switch 9, the upper limit position is achieved at the moment, the first travel switch 9 transmits signals to the upper computer, the bearing is controlled to drive the screw rod 1 to rotate backwards and move rightwards, the first screw rod slide block 5 and the second screw rod slide block 6 are driven to move rightwards, when the second screw rod slide block 6 contacts the trigger elastic piece 11 of the second travel switch 10, the lower limit position is achieved at the moment, the second travel switch 10 transmits signals to the upper computer, and one-time periodic.
Furthermore, the present invention is not limited to the above embodiments, as long as it achieves the technical effects of the present invention by substantially the same means, and all shall belong to the protection scope of the present invention.
Claims (6)
1. A stroke-limiting positioning device is characterized in that: the lead screw comprises a support, a lead screw (1) and lead screw sliders, wherein the support is composed of a bottom plate (2) and side plates (3), the number of the side plates (3) is two, the two side plates (3) are respectively arranged on two sides of the bottom plate (2), the two side plates (3) are respectively provided with a through hole (4) for installing the lead screw (1), the lead screw (1) penetrates through the through holes (4) on the two side plates (3), the lead screw sliders comprise a first lead screw slider (5) positioned at the left end of the lead screw (1) and a second lead screw slider (6) positioned at the right end of the lead screw (1), the first lead screw slider (5) and the second lead screw slider (6) are fixed on the lead screw (1) at a certain distance, the first lead screw slider (5) and the second lead screw slider (6) are respectively provided with a positioning piece (7), and the front surface of the support is provided with a limiting slide rail (8) for being, the first lead screw sliding block (5) and the second lead screw sliding block (6) are connected with a limiting sliding rail (8) through positioning pieces (7), travel switches used for receiving signals are arranged on the back face of the support and comprise first travel switches (9) located on the left side of the back face of the support and second travel switches (10) located on the right side of the back face of the support, the first travel switches (9) and the second travel switches (10) are respectively provided with a triggering elastic piece (11), and the distance between the first travel switches (9) and the second travel switches (10) is larger than the distance between the first lead screw sliding blocks (5) and the second lead screw sliding blocks (6).
2. The limited travel positioning device of claim 1, further comprising: the support is provided with a screw hole site.
3. The limited travel positioning device of claim 1, further comprising: the screw rod (1) is provided with a bearing (12) for driving the screw rod (1) to move.
4. The limited travel positioning device of claim 1, further comprising: the support is made of sheet metal materials.
5. The limited travel positioning device of claim 1, further comprising: the screw rod (1) is made of T8 steel.
6. The limited travel positioning device of claim 1, further comprising: the quantity of spacer (7) is a plurality of, and is a plurality of spacer (7) encircle to set up on the lead screw slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020723997.4U CN212203013U (en) | 2020-05-06 | 2020-05-06 | Positioning device for limiting stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020723997.4U CN212203013U (en) | 2020-05-06 | 2020-05-06 | Positioning device for limiting stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203013U true CN212203013U (en) | 2020-12-22 |
Family
ID=73831287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020723997.4U Active CN212203013U (en) | 2020-05-06 | 2020-05-06 | Positioning device for limiting stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750017A (en) * | 2022-05-24 | 2022-07-15 | 南通市达欣工程股份有限公司 | Wall grinding device for construction |
-
2020
- 2020-05-06 CN CN202020723997.4U patent/CN212203013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750017A (en) * | 2022-05-24 | 2022-07-15 | 南通市达欣工程股份有限公司 | Wall grinding device for construction |
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