CN212928448U - High-precision quick self-tightening positioning pin - Google Patents
High-precision quick self-tightening positioning pin Download PDFInfo
- Publication number
- CN212928448U CN212928448U CN202021437965.4U CN202021437965U CN212928448U CN 212928448 U CN212928448 U CN 212928448U CN 202021437965 U CN202021437965 U CN 202021437965U CN 212928448 U CN212928448 U CN 212928448U
- Authority
- CN
- China
- Prior art keywords
- pin
- pin rod
- locating pin
- fastening spring
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 3
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
The utility model discloses a quick self-tightening locating pin of high accuracy, including locating pin pole and first fastening spring, the internally mounted of pin bushing has second fastening spring, and the right-hand member of second fastening spring installs the ejector pad, the upper and lower both ends of ejector pad all are provided with the spout, fixing bolt is all installed to the lower terminal surface left and right sides of pin pole mount pad, first fastening spring installs in the outside of locating pin pole, screwed joint is installed to locating pin pole's right-hand member, and screwed joint's right-hand member installs the connector, the right-hand member of connector is connected with the piston rod, and the right-hand member of piston rod is connected with miniature pneumatic cylinder. This quick self-tightening locating pin of high accuracy is provided with screwed joint and can dismantles locating pin pole and connector, so can change the spring or locating pin pole in the device, has solved the locating pin location and has been fixed connection, is difficult for changing part wherein alone, leads to the problem of cost increase.
Description
Technical Field
The utility model relates to a locating pin technical field specifically is a quick self-tightening locating pin of high accuracy.
Background
The positioning pin is a part participating in limiting the freedom degree of an object, has certain application in some mechanical motion equipment, is mainly used for determining the position of a two-dimensional space, and is used for positioning when a machine body is formed by connecting a plurality of parts and each part needs to keep a precise position during processing and assembling. If the split box body consists of the cover and the base, the processing of the bearing hole on the split box body has higher precision requirement, so that two positioning pins far away from each other are arranged on the split surface during design so as to ensure the processing and assembling precision of the split box body.
The existing locating pin is fixedly connected, parts in the locating pin are not easily replaced independently, cost is increased, connection is not flexible, the parts are easily shaken out under the environment with more severe vibration, connection failure between the parts is caused, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing high-precision quick self-tightening locating pin according to the situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick self-tightening locating pin of high accuracy to it fixes a position for fixed connection to propose current locating pin in solving above-mentioned background art, is difficult for changing part wherein alone, leads to the cost-push, and connects comparatively not hard up, is shaken out easily under the more harsh environment of vibration, thereby leads to the connection failure between the spare part, can not be fine satisfies people's user demand problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision quick self-tightening positioning pin comprises a positioning pin rod and a first fastening spring, wherein a pin sleeve is arranged on the left side of the positioning pin rod, a fixing pin seat is arranged on the outer portion of the pin sleeve, a second fastening spring is arranged inside the pin sleeve, a push block is arranged at the right end of the second fastening spring, sliding grooves are formed in the upper end and the lower end of the push block, a pin rod mounting seat is arranged on the right side of the fixing pin seat, pin rod mounting holes are formed in the left end face and the right end face of the pin rod mounting seat, fixing bolts are arranged on the left side and the right side of the lower end face of the pin rod mounting seat, the first fastening spring is arranged on the outer side of the positioning pin rod, clamping blocks are arranged at the front end and the rear end of the right side of the first fastening spring, grooves are formed in the clamping blocks, a square bulge is arranged on the right side of the clamping blocks, a fixing column is fixed at the, and the right end of the threaded joint is provided with a connector, the right end of the connector is connected with a piston rod, and the right end of the piston rod is connected with a micro hydraulic cylinder.
Preferably, the positioning pin rod penetrates through the inside of the pin rod mounting seat, and the fixing bolts are symmetrically distributed around the vertical center line of the pin rod mounting seat.
Preferably, the positioning pin rod is matched with the inner wall of the pin sleeve, and the first fastening spring is in threaded connection with the connector through a threaded joint.
Preferably, the positioning pin rod forms an elastic structure with the pin rod installation seat through the first fastening spring and the threaded joint, and the positioning pin rod forms an elastic structure with the fixed pin seat through the push block and the second fastening spring.
Preferably, the size of the groove is matched with that of the square protrusion, and the clamping blocks are symmetrically distributed about the horizontal center line of the positioning pin rod.
Preferably, the fixing column is matched with the vertical central line of the clamping block, and the fixing column is fixedly connected with the pin rod mounting seat.
Preferably, the micro hydraulic cylinder forms a stretching structure through the space between the piston rod and the connector, and the push block forms a sliding structure through the space between the sliding groove and the fixed pin seat.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses be provided with and can install the fixed to the locating pin pole through the pin pole mount pad, can install the fixed to the pin pole mount pad through fixing bolt, fix a position the object through cooperation use between locating pin pole and the cotter, can dismantle locating pin pole and connector through screwed joint, so can change the spring or locating pin pole in the device, solved the locating pin location and fixed connection, difficult individual change to part wherein, lead to the problem of cost increase;
2. the utility model discloses be provided with first fastening spring and can increase the fastening nature between fixture block and the locating pin pole, can carry out spacing to the locating pin pole through the relative power that produces between second fastening spring and the first fastening spring, cooperate between recess and the square bulge to use and can make and carry out the block between fixture block and the fixed column, so can effectively avoid the locating pin pole to produce the condition of rocking in vibrations, avoided the connection more loose, easily shaken out under the environment that the vibration is more severe to lead to the problem of connection failure between the spare part;
3. the utility model discloses it can stretch to be provided with miniature pneumatic cylinder and drive the connector through the piston rod, so can avoid manually stretching connector and locating pin pole, reach laborsaving purpose, the spout can play spacing effect to the orbit of ejector pad on the fixed pin seat, greatly increased this kind of high accuracy practicality from the tight locating pin fast.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic structural view of the pin rod mounting seat of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. positioning the pin rod; 2. a pin rod mounting seat; 3. a first fastening spring; 4. a threaded joint; 5. a connector; 6. a piston rod; 7. a micro hydraulic cylinder; 8. fixing the bolt; 9. a clamping block; 10. a groove; 11. a square bulge; 12. fixing a column; 13. fixing the pin seat; 14. a pin bush; 15. a push block; 16. a second fastening spring; 17. a pin mounting hole; 18. a chute.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-precision quick self-tightening positioning pin comprises a positioning pin rod 1 and a first fastening spring 3, wherein a pin sleeve 14 is arranged on the left side of the positioning pin rod 1, a fixing pin seat 13 is arranged on the outer portion of the pin sleeve 14, a second fastening spring 16 is arranged inside the pin sleeve 14, a push block 15 is arranged at the right end of the second fastening spring 16, sliding grooves 18 are formed in the upper end and the lower end of the push block 15, a pin rod installation seat 2 is arranged on the right side of the fixing pin seat 13, pin rod installation holes 17 are formed in the left end face and the right end face of the pin rod installation seat 2, fixing bolts 8 are arranged on the left side and the right side of the lower end face of the pin rod installation seat 2, the positioning pin rod 1 penetrates through the inside of the pin rod installation seat 2, the fixing bolts 8 are symmetrically distributed relative to the vertical central line of the pin rod installation seat 2, the positioning pin rod 1 can be installed and fixed through the pin rod installation seat 2, the positioning pin rod 1 and the pin sleeve 14 are matched for use to position an object;
the first fastening spring 3 is arranged at the outer side of the positioning pin rod 1, the front end and the rear end of the right side of the first fastening spring 3 are both provided with a clamping block 9, a groove 10 is arranged in the fixture block 9, a square bulge 11 is arranged on the right side of the fixture block 9, the right end of the square bulge 11 is fixed with a fixed column 12, the size of the groove 10 is matched with that of the square bulge 11, the fixture blocks 9 are symmetrically distributed about the horizontal center line of the positioning pin rod 1, the fixed columns 12 are matched with the vertical center line of the fixture blocks 9, the fixed column 12 is fixedly connected with the pin rod mounting seat 2, the groove 10 and the square bulge 11 are matched for use, so that the clamping block 9 can be clamped with the fixed column 12, thus effectively avoiding the situation that the positioning pin rod 1 shakes in the vibration, avoiding the loose connection, the connecting rod is easy to shake out under the environment with more severe vibration, thereby causing the problem of connection failure between parts;
the right end of the positioning pin rod 1 is provided with a threaded joint 4, the right end of the threaded joint 4 is provided with a connector 5, the positioning pin rod 1 is matched with the inner wall of a pin sleeve 14, a first fastening spring 3 is in threaded connection with the connector 5 through the threaded joint 4, the positioning pin rod 1 forms an elastic structure with a pin rod mounting seat 2 through the first fastening spring 3 and the threaded joint 4, the positioning pin rod 1 forms an elastic structure with a fixing pin seat 13 through a push block 15 and a second fastening spring 16, the positioning pin rod 1 and the connector 5 can be disassembled through the threaded joint 4, so that the spring or the positioning pin rod 1 in the device can be replaced, the problem that the positioning pin is positioned into fixed connection and parts in the positioning pin rod are not easy to be replaced independently and the cost is increased is solved, the first fastening spring 3 can increase the tightness between a clamping block 9 and the positioning pin rod 1, the locating pin rod 1 can be limited by the relative force generated between the second fastening spring 16 and the first fastening spring 3;
the right-hand member of connector 5 is connected with piston rod 6, and the right-hand member of piston rod 6 is connected with miniature pneumatic cylinder 7, miniature pneumatic cylinder 7 passes through and constitutes tensile structure between piston rod 6 and the connector 5, ejector pad 15 passes through and constitutes sliding structure between spout 18 and the fixed pin seat 13, miniature pneumatic cylinder 7 can drive connector 5 through piston rod 6 and stretch, so can avoid manually stretching connector 5 and locating pin pole 1, reach laborsaving mesh, spout 18 can play spacing effect to ejector pad 15 operation orbit on fixed pin seat 13, greatly increased the practicality of this kind of high accuracy quick self-tightening locating pin.
The working principle is as follows: when the high-precision quick self-tightening positioning pin is used, firstly, the pin rod mounting seat 2 is mounted and fixed through the fixing bolt 8, meanwhile, the fixing pin seat 13 is mounted and fixed through the bolt, the positioning pin rod 1 is inserted into the pin rod mounting hole 17, the positioning pin rod 1 is connected with the connector 5 through the threaded connector 4, the threaded connector 4 can be used for dismounting the positioning pin rod 1 and the connector 5, so that a spring or the positioning pin rod 1 in the device can be replaced, the micro hydraulic cylinder 7 is started, the micro hydraulic cylinder 7 drives the connector 5 to move leftwards through the piston rod 6, the positioning pin rod 1 is sent into the pin sleeve 14, an object is positioned through matching use between the positioning pin rod 1 and the pin sleeve 14, the purpose of labor saving is achieved, at the moment, the groove 10 in the clamping block 9 is clamped with the square bulge 11 on the fixing column 12, the situation that the positioning pin rod 1 shakes in the fixing column can be effectively avoided, locating pin pole 1 moves to the cotter 14 left, promote ejector pad 15 to the left motion in spout 18, spout 18 can play spacing effect to ejector pad 15 moving trajectory on fixed key seat 13, second fastening spring 16 produces and carries on spacingly to locating pin pole 1 with the power that first fastening spring 3 is relative this moment, it is not hard up to have avoided connecting, easily be shaken under the more harsh environment of vibration, thereby lead to connecting failure between the spare part, this is exactly this high accuracy is from the theory of operation of tight locating pin fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quick self-tightening locating pin of high accuracy, includes locating pin pole (1) and first fastening spring (3), its characterized in that: the positioning pin rod comprises a positioning pin rod (1), a pin sleeve (14) is arranged on the left side of the positioning pin rod (1), a fixing pin seat (13) is arranged on the outer portion of the pin sleeve (14), a second fastening spring (16) is arranged inside the pin sleeve (14), a push block (15) is arranged at the right end of the second fastening spring (16), sliding grooves (18) are formed in the upper end and the lower end of the push block (15), a pin rod installation seat (2) is arranged on the right side of the fixing pin seat (13), pin rod installation holes (17) are formed in the left end face and the right end face of the pin rod installation seat (2), fixing bolts (8) are arranged on the left side and the right side of the lower end face of the pin rod installation seat (2), a clamping block (9) is arranged on the outer side of the positioning pin rod (1) at the front end and the rear end face of the right side of the first fastening spring (3), and a groove (10, square bulge (11) are installed on the right side of fixture block (9), and the right-hand member of square bulge (11) is fixed with fixed column (12), screwed joint (4) are installed to the right-hand member of locating pin pole (1), and the right-hand member of screwed joint (4) installs connector (5), the right-hand member of connector (5) is connected with piston rod (6), and the right-hand member of piston rod (6) is connected with miniature pneumatic cylinder (7).
2. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the locating pin rod (1) penetrates through the pin rod mounting seat (2), and the fixing bolts (8) are symmetrically distributed about the vertical center line of the pin rod mounting seat (2).
3. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the positioning pin rod (1) is matched with the inner wall of the pin sleeve (14), and the first fastening spring (3) is in threaded connection with the connector (5) through the threaded connector (4).
4. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the positioning pin rod (1) forms an elastic structure with the pin rod installation seat (2) through the first fastening spring (3) and the threaded joint (4), and the positioning pin rod (1) forms an elastic structure with the fixed pin seat (13) through the push block (15) and the second fastening spring (16).
5. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the size of the groove (10) is matched with that of the square protrusion (11), and the clamping blocks (9) are symmetrically distributed about the horizontal center line of the positioning pin rod (1).
6. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the fixed column (12) is matched with the vertical central line of the clamping block (9), and the fixed column (12) is fixedly connected with the pin rod mounting seat (2).
7. A high precision quick self-tightening locating pin according to claim 1, characterized in that: the miniature hydraulic cylinder (7) forms a stretching structure between the piston rod (6) and the connector (5), and the push block (15) forms a sliding structure between the sliding groove (18) and the fixed pin seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021437965.4U CN212928448U (en) | 2020-07-21 | 2020-07-21 | High-precision quick self-tightening positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021437965.4U CN212928448U (en) | 2020-07-21 | 2020-07-21 | High-precision quick self-tightening positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928448U true CN212928448U (en) | 2021-04-09 |
Family
ID=75331074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021437965.4U Expired - Fee Related CN212928448U (en) | 2020-07-21 | 2020-07-21 | High-precision quick self-tightening positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928448U (en) |
-
2020
- 2020-07-21 CN CN202021437965.4U patent/CN212928448U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111946771A (en) | Electromechanical device vibration damping mount | |
| CN212928448U (en) | High-precision quick self-tightening positioning pin | |
| CN202622233U (en) | Flexible line fixture five-face supporting plate unit | |
| CN106289695B (en) | Horizontal supporting system for vibration test of large-scale antenna system | |
| CN210360449U (en) | Motor casing clamp | |
| CN207939367U (en) | Commutator of motor rotor press-fitting tool | |
| CN216121640U (en) | Wiring harness plug-in module positioning and mounting structure | |
| CN108057756A (en) | A kind of process equipment for manufacturing machine accessory | |
| CN210305338U (en) | Stamping die for machine manufacturing | |
| CN203496241U (en) | Single-cylinder glue injecting device of injection molding machine | |
| CN206938511U (en) | A kind of high speed railway electrification contact network with wrist arm positioning pipe connecting device | |
| CN103243914B (en) | For vibration reducing and connecting structure and the concrete mixer of concrete center pumping system | |
| CN211638981U (en) | Ram structure of horizontal machining center | |
| CN211819883U (en) | Disc cam plunger pump | |
| CN210488399U (en) | Mounting structure for industrial control host computer convenient to dismouting | |
| CN110977534A (en) | Casting machining clamping jaw | |
| CN208116489U (en) | A kind of process equipment for manufacturing machine accessory | |
| CN216407652U (en) | Ball screw fixing mechanism of warp knitting machine for sunshade net | |
| CN219277421U (en) | Sound insulation pad for engine | |
| CN220051507U (en) | Electric cylinder of clamping tool for production and processing | |
| CN218801763U (en) | Workpiece positioning fixture | |
| CN219954707U (en) | Machine tool damping buffer base | |
| CN210653320U (en) | Novel automobile integrated into one piece supporting beam | |
| CN216589051U (en) | Damping base of machine tool cooling pump | |
| CN216328080U (en) | Variable cross-section leaf spring assembly device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20210409 |